git-svn-id: file:///var/lib/svn/clamav-devel/trunk/clamav-devel@2416 77e5149b-7576-45b1-b177-96237e5ba77b
Nigel Horne authored on 2006/10/20 02:29:47... | ... |
@@ -19,7 +19,7 @@ |
19 | 19 |
* Save the JavaScript embedded in an HTML file, then run the script, saving |
20 | 20 |
* the output in a file that is to be scanned, then remove the script file |
21 | 21 |
*/ |
22 |
-static char const rcsid[] = "$Id: js.c,v 1.9 2006/10/09 15:51:33 njh Exp $"; |
|
22 |
+static char const rcsid[] = "$Id: js.c,v 1.10 2006/10/19 17:29:47 njh Exp $"; |
|
23 | 23 |
|
24 | 24 |
#if HAVE_CONFIG_H |
25 | 25 |
#include "clamav-config.h" |
... | ... |
@@ -60,6 +60,7 @@ static char const rcsid[] = "$Id: js.c,v 1.9 2006/10/09 15:51:33 njh Exp $"; |
60 | 60 |
# endif |
61 | 61 |
#endif |
62 | 62 |
|
63 |
+static void run_js(const char *filename, const char *dir); |
|
63 | 64 |
static const char *cli_pmemstr(const char *haystack, size_t hs, const char *needle, size_t ns); |
64 | 65 |
|
65 | 66 |
int |
... | ... |
@@ -70,9 +71,10 @@ cli_scanjs(const char *dir, int desc) |
70 | 70 |
char *buf; /* start of memory mapped area */ |
71 | 71 |
const char *p; |
72 | 72 |
long bytesleft; |
73 |
- int done_header, rc; |
|
73 |
+ int created_output, done_header, rc; |
|
74 | 74 |
FILE *fout; |
75 | 75 |
char script_filename[NAME_MAX + 1]; |
76 |
+ extern short cli_leavetemps_flag; |
|
76 | 77 |
|
77 | 78 |
cli_dbgmsg("in cli_scanjs(%s)\n", dir); |
78 | 79 |
|
... | ... |
@@ -95,7 +97,7 @@ cli_scanjs(const char *dir, int desc) |
95 | 95 |
|
96 | 96 |
p = buf; |
97 | 97 |
bytesleft = size; |
98 |
- done_header = 0; |
|
98 |
+ created_output = done_header = 0; |
|
99 | 99 |
fout = NULL; |
100 | 100 |
|
101 | 101 |
while(p < &buf[size]) { |
... | ... |
@@ -133,7 +135,7 @@ cli_scanjs(const char *dir, int desc) |
133 | 133 |
p++; |
134 | 134 |
if(--bytesleft == 0) |
135 | 135 |
break; |
136 |
- if(*p == '!') { |
|
136 |
+ if((*p == '!') && !done_header) { |
|
137 | 137 |
while(bytesleft && (*p != '\n')) { |
138 | 138 |
p++; |
139 | 139 |
bytesleft--; |
... | ... |
@@ -147,11 +149,21 @@ cli_scanjs(const char *dir, int desc) |
147 | 147 |
p++; |
148 | 148 |
bytesleft--; |
149 | 149 |
} |
150 |
+ if(fout) { |
|
151 |
+ fclose(fout); |
|
152 |
+ fout = NULL; |
|
153 |
+ run_js(script_filename, dir); |
|
154 |
+ |
|
155 |
+ if(!cli_leavetemps_flag) |
|
156 |
+ unlink(script_filename); |
|
157 |
+ } |
|
158 |
+ done_header = 0; |
|
150 | 159 |
break; |
151 | 160 |
} |
152 | 161 |
c = '<'; |
153 | 162 |
} else { |
154 |
- c = tolower(*p); |
|
163 |
+ /*c = tolower(*p);*/ |
|
164 |
+ c = *p; |
|
155 | 165 |
p++; |
156 | 166 |
bytesleft--; |
157 | 167 |
} |
... | ... |
@@ -194,15 +206,22 @@ cli_scanjs(const char *dir, int desc) |
194 | 194 |
/* |
195 | 195 |
* Create a document object, on web pages it's |
196 | 196 |
* used to send output to the browser |
197 |
+ * FIXME: will create a file even if the script |
|
198 |
+ * is empty, e.g. src is somewhere else |
|
197 | 199 |
*/ |
198 | 200 |
fputs("function createDoc() {\n", fout); |
199 | 201 |
fputs("\tfunction write(text) {\n", fout); |
200 |
- fputs("\t\tprint(text);\n", fout); |
|
202 |
+ /* |
|
203 |
+ * Use System.print rather than print so that |
|
204 |
+ * a new line is not appended |
|
205 |
+ */ |
|
206 |
+ fputs("\t\tSystem.print(text);\n", fout); |
|
201 | 207 |
fputs("\t}\n", fout); |
202 | 208 |
fputs("}\n", fout); |
203 | 209 |
fputs("document = new createDoc();\n", fout); |
204 | 210 |
|
205 | 211 |
done_header = 1; |
212 |
+ created_output = 1; |
|
206 | 213 |
} |
207 | 214 |
putc(c, fout); |
208 | 215 |
} |
... | ... |
@@ -212,35 +231,63 @@ cli_scanjs(const char *dir, int desc) |
212 | 212 |
|
213 | 213 |
rc = CL_SUCCESS; |
214 | 214 |
|
215 |
- if(!done_header) |
|
215 |
+ if(!created_output) |
|
216 | 216 |
cli_dbgmsg("No javascript was detected\n"); |
217 |
- else if(fout == NULL) |
|
218 |
- cli_errmsg("cli_scanjs: fout == NULL\n"); |
|
219 |
- else { |
|
220 |
- extern short cli_leavetemps_flag; |
|
221 |
- JSInterpPtr interp; |
|
222 |
- |
|
217 |
+ else if(fout) { |
|
223 | 218 |
fclose(fout); |
219 |
+ run_js(script_filename, dir); |
|
224 | 220 |
|
225 |
-#if 0 |
|
226 |
- /* |
|
227 |
- * Run NGS on the file |
|
228 |
- */ |
|
229 |
- interp = create_interp(); |
|
221 |
+ if(!cli_leavetemps_flag) |
|
222 |
+ unlink(script_filename); |
|
223 |
+ } |
|
224 |
+ return rc; |
|
225 |
+} |
|
230 | 226 |
|
231 |
- if(!js_eval_file(interp, script_filename)) { |
|
232 |
- cli_warnmsg("JS failed: %s\n", js_error_message(interp)); |
|
233 |
- rc = CL_EIO; |
|
227 |
+static void |
|
228 |
+run_js(const char *filename, const char *dir) |
|
229 |
+{ |
|
230 |
+ JSInterpPtr interp; |
|
231 |
+ FILE *real_stdout, *temp_stdout; |
|
232 |
+ char *outputfilename; |
|
233 |
+ |
|
234 |
+ cli_dbgmsg("run_js(%s)\n", filename); |
|
235 |
+ |
|
236 |
+ fflush(stdout); |
|
237 |
+ real_stdout = stdout; |
|
238 |
+ outputfilename = cli_gentemp(dir); |
|
239 |
+ if(outputfilename) { |
|
240 |
+ temp_stdout = fopen(outputfilename, "wb"); |
|
241 |
+ if(temp_stdout) { |
|
242 |
+ cli_dbgmsg("Redirecting JS VM stdout to %s\n", |
|
243 |
+ outputfilename); |
|
244 |
+ stdout = temp_stdout; |
|
234 | 245 |
} |
235 |
- js_destroy_interp(interp); |
|
236 |
-#endif |
|
246 |
+ } else |
|
247 |
+ temp_stdout = NULL; |
|
237 | 248 |
|
238 |
- if(!cli_leavetemps_flag) |
|
239 |
- unlink(script_filename); |
|
249 |
+ /* |
|
250 |
+ * Run NGS on the file |
|
251 |
+ */ |
|
252 |
+ interp = create_interp(); |
|
253 |
+ |
|
254 |
+ if(!js_eval_file(interp, filename)) { |
|
255 |
+ cli_warnmsg("JS failed: %s\n", js_error_message(interp)); |
|
256 |
+ /*rc = CL_EIO;*/ |
|
257 |
+ } |
|
258 |
+ |
|
259 |
+ js_destroy_interp(interp); |
|
260 |
+ |
|
261 |
+ if(temp_stdout) { |
|
262 |
+ fclose(temp_stdout); |
|
263 |
+ stdout = real_stdout; |
|
240 | 264 |
} |
241 |
- return CL_CLEAN; |
|
242 | 265 |
} |
243 | 266 |
|
267 |
+#include "js/compiler.c" |
|
268 |
+#include "js/iostream.c" |
|
269 |
+#include "js/js.c" |
|
270 |
+#include "js/main.c" |
|
271 |
+ |
|
244 | 272 |
/* Copied from pdf.c :-( */ |
245 | 273 |
/* |
246 | 274 |
* like cli_memstr - but returns the location of the match |
... | ... |
@@ -281,7 +328,7 @@ cli_pmemstr(const char *haystack, size_t hs, const char *needle, size_t ns) |
281 | 281 |
|
282 | 282 |
return NULL; |
283 | 283 |
} |
284 |
- |
|
284 |
+ |
|
285 | 285 |
#else |
286 | 286 |
|
287 | 287 |
int |
... | ... |
@@ -292,4 +339,13 @@ cli_scanjs(const char *dir, int desc) |
292 | 292 |
} |
293 | 293 |
#endif /*HAVE_MMAP*/ |
294 | 294 |
|
295 |
+#else /*!CL_EXPERIMENTAL*/ |
|
296 |
+ |
|
297 |
+int |
|
298 |
+cli_scanjs(const char *dir, int desc) |
|
299 |
+{ |
|
300 |
+ cli_warnmsg("JS decoding files not yet supported\n"); |
|
301 |
+ return CL_EFORMAT; |
|
302 |
+} |
|
303 |
+ |
|
295 | 304 |
#endif /*CL_EXPERIMENTAL*/ |
296 | 305 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,650 @@ |
0 |
+/* |
|
1 |
+ * The builtin Array object. |
|
2 |
+ * Copyright (c) 1998 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/b_array.c,v $ |
|
26 |
+ * $Id: b_array.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+/* |
|
30 |
+ * Mehtods: |
|
31 |
+ * |
|
32 |
+ * concat (array) => array |
|
33 |
+ * join ([glue]) => string |
|
34 |
+ * pop () => last_element |
|
35 |
+ * push (any...) => last_element_added |
|
36 |
+ * reverse () |
|
37 |
+ * shift () => first_element |
|
38 |
+ * slice (start, end) => array |
|
39 |
+ * splice (index, how_many[, any...]) => array |
|
40 |
+ * sort ([sort_function]) |
|
41 |
+ * toString () => string |
|
42 |
+ * unshift (any...) => length_of_the_array |
|
43 |
+ * |
|
44 |
+ * Properties: |
|
45 |
+ * |
|
46 |
+ * length |
|
47 |
+ */ |
|
48 |
+ |
|
49 |
+#include "jsint.h" |
|
50 |
+#include "mrgsort.h" |
|
51 |
+ |
|
52 |
+/* |
|
53 |
+ * Types and definitions. |
|
54 |
+ */ |
|
55 |
+ |
|
56 |
+/* Class context. */ |
|
57 |
+struct array_ctx_st |
|
58 |
+{ |
|
59 |
+ JSSymbol s_concat; |
|
60 |
+ JSSymbol s_join; |
|
61 |
+ JSSymbol s_pop; |
|
62 |
+ JSSymbol s_push; |
|
63 |
+ JSSymbol s_reverse; |
|
64 |
+ JSSymbol s_shift; |
|
65 |
+ JSSymbol s_slice; |
|
66 |
+ JSSymbol s_splice; |
|
67 |
+ JSSymbol s_sort; |
|
68 |
+ JSSymbol s_unshift; |
|
69 |
+ |
|
70 |
+ JSSymbol s_length; |
|
71 |
+}; |
|
72 |
+ |
|
73 |
+typedef struct array_ctx_st ArrayCtx; |
|
74 |
+ |
|
75 |
+/* Context for array sorts with JavaScript functions. */ |
|
76 |
+struct array_sort_ctx_st |
|
77 |
+{ |
|
78 |
+ JSVirtualMachine *vm; |
|
79 |
+ JSNode *func; |
|
80 |
+ JSNode argv[3]; |
|
81 |
+}; |
|
82 |
+ |
|
83 |
+typedef struct array_sort_ctx_st ArraySortCtx; |
|
84 |
+ |
|
85 |
+/* |
|
86 |
+ * Prototypes for static functions. |
|
87 |
+ */ |
|
88 |
+ |
|
89 |
+static void new_proc (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
90 |
+ JSNode *args, JSNode *result_return); |
|
91 |
+ |
|
92 |
+ |
|
93 |
+/* |
|
94 |
+ * Static functions. |
|
95 |
+ */ |
|
96 |
+ |
|
97 |
+static int |
|
98 |
+sort_default_cmp_func (const void *aptr, const void *bptr, void *context) |
|
99 |
+{ |
|
100 |
+ JSVirtualMachine *vm = context; |
|
101 |
+ const JSNode *a = aptr; |
|
102 |
+ const JSNode *b = bptr; |
|
103 |
+ JSNode astr, bstr; |
|
104 |
+ |
|
105 |
+ if (a->type == JS_UNDEFINED) |
|
106 |
+ return 1; |
|
107 |
+ if (b->type == JS_UNDEFINED) |
|
108 |
+ return -1; |
|
109 |
+ |
|
110 |
+ js_vm_to_string (vm, a, &astr); |
|
111 |
+ js_vm_to_string (vm, b, &bstr); |
|
112 |
+ |
|
113 |
+ return js_compare_strings (&astr, &bstr); |
|
114 |
+} |
|
115 |
+ |
|
116 |
+ |
|
117 |
+static int |
|
118 |
+sort_js_cmp_func (const void *aptr, const void *bptr, void *context) |
|
119 |
+{ |
|
120 |
+ ArraySortCtx *ctx = context; |
|
121 |
+ const JSNode *a = aptr; |
|
122 |
+ const JSNode *b = bptr; |
|
123 |
+ |
|
124 |
+ /* |
|
125 |
+ * Finalize the argument array. The argumnet count has already been set. |
|
126 |
+ * when the context were initialized. |
|
127 |
+ */ |
|
128 |
+ JS_COPY (&ctx->argv[1], a); |
|
129 |
+ JS_COPY (&ctx->argv[2], b); |
|
130 |
+ |
|
131 |
+ /* Call the function. */ |
|
132 |
+ if (!js_vm_apply (ctx->vm, NULL, ctx->func, 3, ctx->argv)) |
|
133 |
+ /* Raise an error. */ |
|
134 |
+ js_vm_error (ctx->vm); |
|
135 |
+ |
|
136 |
+ /* Fetch the return value. */ |
|
137 |
+ if (ctx->vm->exec_result.type != JS_INTEGER) |
|
138 |
+ { |
|
139 |
+ sprintf (ctx->vm->error, |
|
140 |
+ "Array.sort(): comparison function didn't return integer"); |
|
141 |
+ js_vm_error (ctx->vm); |
|
142 |
+ } |
|
143 |
+ |
|
144 |
+ return ctx->vm->exec_result.u.vinteger; |
|
145 |
+} |
|
146 |
+ |
|
147 |
+ |
|
148 |
+/* Global method proc. */ |
|
149 |
+static void |
|
150 |
+global_method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
151 |
+ void *instance_context, JSNode *result_return, |
|
152 |
+ JSNode *args) |
|
153 |
+{ |
|
154 |
+ /* This does exactly the same as the new_proc. */ |
|
155 |
+ new_proc (vm, builtin_info, args, result_return); |
|
156 |
+} |
|
157 |
+ |
|
158 |
+ |
|
159 |
+/* Method proc. */ |
|
160 |
+static int |
|
161 |
+method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
162 |
+ void *instance_context, JSSymbol method, JSNode *result_return, |
|
163 |
+ JSNode *args) |
|
164 |
+{ |
|
165 |
+ ArrayCtx *ctx = builtin_info->obj_context; |
|
166 |
+ JSNode *n = instance_context; |
|
167 |
+ int i; |
|
168 |
+ |
|
169 |
+ /* XXX 15.7.4.3 toSource(). */ |
|
170 |
+ |
|
171 |
+ /* Handle static methods here. */ |
|
172 |
+ if (instance_context == NULL) |
|
173 |
+ { |
|
174 |
+ if (method == vm->syms.s_toString) |
|
175 |
+ js_vm_make_static_string (vm, result_return, "Array", 5); |
|
176 |
+ /* ************************************************************ */ |
|
177 |
+ else |
|
178 |
+ return JS_PROPERTY_UNKNOWN; |
|
179 |
+ |
|
180 |
+ return JS_PROPERTY_FOUND; |
|
181 |
+ } |
|
182 |
+ |
|
183 |
+ /* Handle the instance methods. */ |
|
184 |
+ |
|
185 |
+ /* Set the default result type. */ |
|
186 |
+ result_return->type = JS_UNDEFINED; |
|
187 |
+ |
|
188 |
+ if (method == ctx->s_concat) |
|
189 |
+ { |
|
190 |
+ int nlen; |
|
191 |
+ int pos; |
|
192 |
+ |
|
193 |
+ /* Count the new len; */ |
|
194 |
+ |
|
195 |
+ nlen = n->u.varray->length; |
|
196 |
+ for (i = 0; i < args->u.vinteger; i++) |
|
197 |
+ { |
|
198 |
+ if (args[i + 1].type != JS_ARRAY) |
|
199 |
+ goto argument_error; |
|
200 |
+ |
|
201 |
+ nlen += args[i + 1].u.varray->length; |
|
202 |
+ } |
|
203 |
+ |
|
204 |
+ js_vm_make_array (vm, result_return, nlen); |
|
205 |
+ |
|
206 |
+ /* Insert the items. */ |
|
207 |
+ memcpy (result_return->u.varray->data, n->u.varray->data, |
|
208 |
+ n->u.varray->length * sizeof (JSNode)); |
|
209 |
+ pos = n->u.varray->length; |
|
210 |
+ |
|
211 |
+ for (i = 0; i < args->u.vinteger; i++) |
|
212 |
+ { |
|
213 |
+ memcpy (&result_return->u.varray->data[pos], |
|
214 |
+ args[i + 1].u.varray->data, |
|
215 |
+ args[i + 1].u.varray->length * sizeof (JSNode)); |
|
216 |
+ pos += args[i + 1].u.varray->length; |
|
217 |
+ } |
|
218 |
+ } |
|
219 |
+ /* ********************************************************************** */ |
|
220 |
+ else if (method == ctx->s_join || method == vm->syms.s_toString) |
|
221 |
+ { |
|
222 |
+ char *glue = NULL; |
|
223 |
+ |
|
224 |
+ if (method == vm->syms.s_toString) |
|
225 |
+ { |
|
226 |
+ if (args->u.vinteger != 0) |
|
227 |
+ goto argument_error; |
|
228 |
+ } |
|
229 |
+ else |
|
230 |
+ { |
|
231 |
+ if (args->u.vinteger == 0) |
|
232 |
+ ; |
|
233 |
+ else if (args->u.vinteger == 1) |
|
234 |
+ { |
|
235 |
+ JSNode glue_result; |
|
236 |
+ |
|
237 |
+ js_vm_to_string (vm, &args[1], &glue_result); |
|
238 |
+ glue = js_string_to_c_string (vm, &glue_result); |
|
239 |
+ } |
|
240 |
+ else |
|
241 |
+ goto argument_error; |
|
242 |
+ } |
|
243 |
+ |
|
244 |
+ /* Ok, ready to run. */ |
|
245 |
+ if (n->u.varray->length == 0) |
|
246 |
+ js_vm_make_static_string (vm, result_return, "", 0); |
|
247 |
+ else |
|
248 |
+ { |
|
249 |
+ int len; |
|
250 |
+ int glue_len = glue ? strlen (glue) : 1; |
|
251 |
+ |
|
252 |
+ /* Estimate the result length. */ |
|
253 |
+ len = (n->u.varray->length * 5 |
|
254 |
+ + (n->u.varray->length - 1) * glue_len); |
|
255 |
+ |
|
256 |
+ js_vm_make_string (vm, result_return, NULL, len); |
|
257 |
+ result_return->u.vstring->len = 0; |
|
258 |
+ |
|
259 |
+ /* Do the join. */ |
|
260 |
+ for (i = 0; i < n->u.varray->length; i++) |
|
261 |
+ { |
|
262 |
+ JSNode sitem; |
|
263 |
+ int delta; |
|
264 |
+ |
|
265 |
+ js_vm_to_string (vm, &n->u.varray->data[i], &sitem); |
|
266 |
+ delta = sitem.u.vstring->len; |
|
267 |
+ |
|
268 |
+ if (i + 1 < n->u.varray->length) |
|
269 |
+ delta += glue_len; |
|
270 |
+ |
|
271 |
+ result_return->u.vstring->data |
|
272 |
+ = js_vm_realloc (vm, result_return->u.vstring->data, |
|
273 |
+ result_return->u.vstring->len + delta); |
|
274 |
+ |
|
275 |
+ memcpy (result_return->u.vstring->data |
|
276 |
+ + result_return->u.vstring->len, |
|
277 |
+ sitem.u.vstring->data, |
|
278 |
+ sitem.u.vstring->len); |
|
279 |
+ result_return->u.vstring->len += sitem.u.vstring->len; |
|
280 |
+ |
|
281 |
+ if (i + 1 < n->u.varray->length) |
|
282 |
+ { |
|
283 |
+ if (glue) |
|
284 |
+ { |
|
285 |
+ memcpy (result_return->u.vstring->data |
|
286 |
+ + result_return->u.vstring->len, |
|
287 |
+ glue, glue_len); |
|
288 |
+ result_return->u.vstring->len += glue_len; |
|
289 |
+ } |
|
290 |
+ else |
|
291 |
+ result_return->u.vstring->data |
|
292 |
+ [result_return->u.vstring->len++] = ','; |
|
293 |
+ } |
|
294 |
+ } |
|
295 |
+ } |
|
296 |
+ |
|
297 |
+ if (glue) |
|
298 |
+ js_free (glue); |
|
299 |
+ } |
|
300 |
+ /* ********************************************************************** */ |
|
301 |
+ else if (method == ctx->s_pop) |
|
302 |
+ { |
|
303 |
+ if (args->u.vinteger != 0) |
|
304 |
+ goto argument_error; |
|
305 |
+ |
|
306 |
+ if (n->u.varray->length == 0) |
|
307 |
+ result_return->type = JS_UNDEFINED; |
|
308 |
+ else |
|
309 |
+ { |
|
310 |
+ JS_COPY (result_return, &n->u.varray->data[n->u.varray->length - 1]); |
|
311 |
+ n->u.varray->length--; |
|
312 |
+ } |
|
313 |
+ } |
|
314 |
+ /* ********************************************************************** */ |
|
315 |
+ else if (method == ctx->s_push) |
|
316 |
+ { |
|
317 |
+ int old_len; |
|
318 |
+ |
|
319 |
+ if (args->u.vinteger == 0) |
|
320 |
+ goto argument_error; |
|
321 |
+ |
|
322 |
+ old_len = n->u.varray->length; |
|
323 |
+ js_vm_expand_array (vm, n, n->u.varray->length + args->u.vinteger); |
|
324 |
+ |
|
325 |
+ for (i = 0; i < args->u.vinteger; i++) |
|
326 |
+ JS_COPY (&n->u.varray->data[old_len + i], &args[i + 1]); |
|
327 |
+ |
|
328 |
+ JS_COPY (result_return, &args[i]); |
|
329 |
+ } |
|
330 |
+ /* ********************************************************************** */ |
|
331 |
+ else if (method == ctx->s_reverse) |
|
332 |
+ { |
|
333 |
+ if (args->u.vinteger != 0) |
|
334 |
+ goto argument_error; |
|
335 |
+ |
|
336 |
+ for (i = 0; i < n->u.varray->length / 2; i++) |
|
337 |
+ { |
|
338 |
+ JSNode tmp; |
|
339 |
+ |
|
340 |
+ JS_COPY (&tmp, &n->u.varray->data[i]); |
|
341 |
+ JS_COPY (&n->u.varray->data[i], |
|
342 |
+ &n->u.varray->data[n->u.varray->length - i - 1]); |
|
343 |
+ JS_COPY (&n->u.varray->data[n->u.varray->length - i - 1], &tmp); |
|
344 |
+ } |
|
345 |
+ } |
|
346 |
+ /* ********************************************************************** */ |
|
347 |
+ else if (method == ctx->s_shift) |
|
348 |
+ { |
|
349 |
+ if (args->u.vinteger != 0) |
|
350 |
+ goto argument_error; |
|
351 |
+ |
|
352 |
+ if (n->u.varray->length == 0) |
|
353 |
+ result_return->type = JS_UNDEFINED; |
|
354 |
+ else |
|
355 |
+ { |
|
356 |
+ JS_COPY (result_return, &n->u.varray->data[0]); |
|
357 |
+ memmove (&n->u.varray->data[0], &n->u.varray->data[1], |
|
358 |
+ (n->u.varray->length - 1) * sizeof (JSNode)); |
|
359 |
+ n->u.varray->length--; |
|
360 |
+ } |
|
361 |
+ } |
|
362 |
+ /* ********************************************************************** */ |
|
363 |
+ else if (method == ctx->s_slice) |
|
364 |
+ { |
|
365 |
+ int start, end; |
|
366 |
+ |
|
367 |
+ if (args->u.vinteger < 1 || args->u.vinteger > 2) |
|
368 |
+ goto argument_error; |
|
369 |
+ |
|
370 |
+ if (args[1].type != JS_INTEGER) |
|
371 |
+ goto argument_type_error; |
|
372 |
+ |
|
373 |
+ start = args[1].u.vinteger; |
|
374 |
+ |
|
375 |
+ if (args->u.vinteger == 2) |
|
376 |
+ { |
|
377 |
+ if (args[2].type != JS_INTEGER) |
|
378 |
+ goto argument_type_error; |
|
379 |
+ |
|
380 |
+ end = args[2].u.vinteger; |
|
381 |
+ } |
|
382 |
+ else |
|
383 |
+ end = n->u.varray->length; |
|
384 |
+ |
|
385 |
+ if (end < 0) |
|
386 |
+ end += n->u.varray->length; |
|
387 |
+ if (end < 0) |
|
388 |
+ end = start; |
|
389 |
+ |
|
390 |
+ js_vm_make_array (vm, result_return, end - start); |
|
391 |
+ |
|
392 |
+ /* Copy items. */ |
|
393 |
+ for (i = 0; i < end - start; i++) |
|
394 |
+ JS_COPY (&result_return->u.varray->data[i], |
|
395 |
+ &n->u.varray->data[start + i]); |
|
396 |
+ } |
|
397 |
+ /* ********************************************************************** */ |
|
398 |
+ else if (method == ctx->s_splice) |
|
399 |
+ { |
|
400 |
+ unsigned int new_length; |
|
401 |
+ unsigned int old_length; |
|
402 |
+ int delta; |
|
403 |
+ |
|
404 |
+ if (args->u.vinteger < 2) |
|
405 |
+ goto argument_error; |
|
406 |
+ if (args[1].type != JS_INTEGER || args[2].type != JS_INTEGER) |
|
407 |
+ goto argument_type_error; |
|
408 |
+ |
|
409 |
+ if (args[2].u.vinteger == 0 && args->u.vinteger == 2) |
|
410 |
+ /* No deletions: must specify at least one item to insert. */ |
|
411 |
+ goto argument_error; |
|
412 |
+ |
|
413 |
+ old_length = new_length = n->u.varray->length; |
|
414 |
+ if (args[1].u.vinteger < new_length) |
|
415 |
+ { |
|
416 |
+ if (args[2].u.vinteger > new_length - args[1].u.vinteger) |
|
417 |
+ { |
|
418 |
+ args[2].u.vinteger = new_length - args[1].u.vinteger; |
|
419 |
+ new_length = args[1].u.vinteger; |
|
420 |
+ } |
|
421 |
+ else |
|
422 |
+ new_length -= args[2].u.vinteger; |
|
423 |
+ } |
|
424 |
+ else |
|
425 |
+ { |
|
426 |
+ new_length = args[1].u.vinteger; |
|
427 |
+ args[2].u.vinteger = 0; |
|
428 |
+ } |
|
429 |
+ |
|
430 |
+ new_length += args->u.vinteger - 2; |
|
431 |
+ |
|
432 |
+ if (new_length > n->u.varray->length) |
|
433 |
+ js_vm_expand_array (vm, n, new_length); |
|
434 |
+ else |
|
435 |
+ /* Cut the array. */ |
|
436 |
+ n->u.varray->length = new_length; |
|
437 |
+ |
|
438 |
+ /* Do the stuffs we must do. */ |
|
439 |
+ |
|
440 |
+ /* Create the result array. */ |
|
441 |
+ if (args[2].u.vinteger == 0) |
|
442 |
+ result_return->type = JS_UNDEFINED; |
|
443 |
+ else |
|
444 |
+ { |
|
445 |
+ js_vm_make_array (vm, result_return, args[2].u.vinteger); |
|
446 |
+ for (i = 0; i < args[2].u.vinteger; i++) |
|
447 |
+ JS_COPY (&result_return->u.varray->data[i], |
|
448 |
+ &n->u.varray->data[args[1].u.vinteger + i]); |
|
449 |
+ } |
|
450 |
+ |
|
451 |
+ /* Delete and move. */ |
|
452 |
+ delta = args->u.vinteger - 2 - args[2].u.vinteger; |
|
453 |
+ memmove (&n->u.varray->data[args[1].u.vinteger + args[2].u.vinteger |
|
454 |
+ + delta], |
|
455 |
+ &n->u.varray->data[args[1].u.vinteger + args[2].u.vinteger], |
|
456 |
+ (old_length - (args[1].u.vinteger + args[2].u.vinteger)) |
|
457 |
+ * sizeof (JSNode)); |
|
458 |
+ |
|
459 |
+ /* Insert. */ |
|
460 |
+ for (i = 0; i < args->u.vinteger - 2; i++) |
|
461 |
+ JS_COPY (&n->u.varray->data[args[1].u.vinteger + i], &args[i + 3]); |
|
462 |
+ } |
|
463 |
+ /* ********************************************************************** */ |
|
464 |
+ else if (method == ctx->s_sort) |
|
465 |
+ { |
|
466 |
+ MergesortCompFunc func; |
|
467 |
+ ArraySortCtx array_sort_ctx; |
|
468 |
+ void *func_ctx = NULL; /* Initialized to keep compiler quiet. */ |
|
469 |
+ |
|
470 |
+ if (args->u.vinteger == 0) |
|
471 |
+ { |
|
472 |
+ func = sort_default_cmp_func; |
|
473 |
+ func_ctx = vm; |
|
474 |
+ } |
|
475 |
+ else if (args->u.vinteger == 1) |
|
476 |
+ { |
|
477 |
+ if (args[1].type != JS_FUNC && args[1].type != JS_BUILTIN) |
|
478 |
+ goto argument_type_error; |
|
479 |
+ |
|
480 |
+ func = sort_js_cmp_func; |
|
481 |
+ |
|
482 |
+ /* Init context. */ |
|
483 |
+ array_sort_ctx.vm = vm; |
|
484 |
+ array_sort_ctx.func = &args[1]; |
|
485 |
+ |
|
486 |
+ /* Init the argc part of the argument vector here. */ |
|
487 |
+ array_sort_ctx.argv[0].type = JS_INTEGER; |
|
488 |
+ array_sort_ctx.argv[0].u.vinteger = 3; |
|
489 |
+ |
|
490 |
+ func_ctx = &array_sort_ctx; |
|
491 |
+ } |
|
492 |
+ else |
|
493 |
+ goto argument_error; |
|
494 |
+ |
|
495 |
+ mergesort_r (n->u.varray->data, n->u.varray->length, sizeof (JSNode), |
|
496 |
+ func, func_ctx); |
|
497 |
+ } |
|
498 |
+ /* ********************************************************************** */ |
|
499 |
+ else if (method == ctx->s_unshift) |
|
500 |
+ { |
|
501 |
+ int old_len; |
|
502 |
+ |
|
503 |
+ if (args->u.vinteger == 0) |
|
504 |
+ goto argument_error; |
|
505 |
+ |
|
506 |
+ old_len = n->u.varray->length; |
|
507 |
+ js_vm_expand_array (vm, n, n->u.varray->length + args->u.vinteger); |
|
508 |
+ |
|
509 |
+ memmove (&n->u.varray->data[args->u.vinteger], n->u.varray->data, |
|
510 |
+ old_len * sizeof (JSNode)); |
|
511 |
+ |
|
512 |
+ for (i = 0; i < args->u.vinteger; i++) |
|
513 |
+ JS_COPY (&n->u.varray->data[i], &args[args->u.vinteger - i]); |
|
514 |
+ |
|
515 |
+ result_return->type = JS_INTEGER; |
|
516 |
+ result_return->u.vinteger = n->u.varray->length; |
|
517 |
+ } |
|
518 |
+ /* ********************************************************************** */ |
|
519 |
+ else |
|
520 |
+ return JS_PROPERTY_UNKNOWN; |
|
521 |
+ |
|
522 |
+ return JS_PROPERTY_FOUND; |
|
523 |
+ |
|
524 |
+ |
|
525 |
+ /* |
|
526 |
+ * Error handling. |
|
527 |
+ */ |
|
528 |
+ |
|
529 |
+ argument_error: |
|
530 |
+ sprintf (vm->error, "Array.%s(): illegal amount of arguments", |
|
531 |
+ js_vm_symname (vm, method)); |
|
532 |
+ js_vm_error (vm); |
|
533 |
+ |
|
534 |
+ argument_type_error: |
|
535 |
+ sprintf (vm->error, "Array.%s(): illegal argument", |
|
536 |
+ js_vm_symname (vm, method)); |
|
537 |
+ js_vm_error (vm); |
|
538 |
+ |
|
539 |
+ /* NOTREACHED */ |
|
540 |
+ return 0; |
|
541 |
+} |
|
542 |
+ |
|
543 |
+/* Property proc. */ |
|
544 |
+static int |
|
545 |
+property (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
546 |
+ void *instance_context, JSSymbol property, int set, JSNode *node) |
|
547 |
+{ |
|
548 |
+ ArrayCtx *ctx = builtin_info->obj_context; |
|
549 |
+ JSNode *n = instance_context; |
|
550 |
+ |
|
551 |
+ if (property == ctx->s_length) |
|
552 |
+ { |
|
553 |
+ if (set) |
|
554 |
+ goto immutable; |
|
555 |
+ |
|
556 |
+ node->type = JS_INTEGER; |
|
557 |
+ node->u.vinteger = n->u.varray->length; |
|
558 |
+ } |
|
559 |
+ else |
|
560 |
+ { |
|
561 |
+ if (!set) |
|
562 |
+ node->type = JS_UNDEFINED; |
|
563 |
+ |
|
564 |
+ return JS_PROPERTY_UNKNOWN; |
|
565 |
+ } |
|
566 |
+ |
|
567 |
+ return JS_PROPERTY_FOUND; |
|
568 |
+ |
|
569 |
+ |
|
570 |
+ /* |
|
571 |
+ * Error handling. |
|
572 |
+ */ |
|
573 |
+ |
|
574 |
+ immutable: |
|
575 |
+ sprintf (vm->error, "Array.%s: immutable property", |
|
576 |
+ js_vm_symname (vm, property)); |
|
577 |
+ js_vm_error (vm); |
|
578 |
+ |
|
579 |
+ /* NOTREACHED */ |
|
580 |
+ return 0; |
|
581 |
+} |
|
582 |
+ |
|
583 |
+/* New proc. */ |
|
584 |
+static void |
|
585 |
+new_proc (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, JSNode *args, |
|
586 |
+ JSNode *result_return) |
|
587 |
+{ |
|
588 |
+ int i; |
|
589 |
+ |
|
590 |
+ if (args->u.vinteger == 1 && args[1].type == JS_INTEGER) |
|
591 |
+ { |
|
592 |
+ /* Create a fixed length array. */ |
|
593 |
+ js_vm_make_array (vm, result_return, args[1].u.vinteger); |
|
594 |
+ } |
|
595 |
+ else |
|
596 |
+ { |
|
597 |
+ if (args->u.vinteger < 0) |
|
598 |
+ /* We are called from the array initializer. */ |
|
599 |
+ args->u.vinteger = -args->u.vinteger; |
|
600 |
+ |
|
601 |
+ js_vm_make_array (vm, result_return, args->u.vinteger); |
|
602 |
+ for (i = 0; i < args->u.vinteger; i++) |
|
603 |
+ JS_COPY (&result_return->u.varray->data[i], &args[i + 1]); |
|
604 |
+ } |
|
605 |
+ /* Set the [[Prototype]] and [[Class]] properties. */ |
|
606 |
+ /* XXX 15.7.2.1 */ |
|
607 |
+} |
|
608 |
+ |
|
609 |
+ |
|
610 |
+/* |
|
611 |
+ * Global functions. |
|
612 |
+ */ |
|
613 |
+ |
|
614 |
+void |
|
615 |
+js_builtin_Array (JSVirtualMachine *vm) |
|
616 |
+{ |
|
617 |
+ ArrayCtx *ctx; |
|
618 |
+ JSNode *n; |
|
619 |
+ JSBuiltinInfo *info; |
|
620 |
+ |
|
621 |
+ ctx = js_calloc (vm, 1, sizeof (*ctx)); |
|
622 |
+ |
|
623 |
+ ctx->s_concat = js_vm_intern (vm, "concat"); |
|
624 |
+ ctx->s_join = js_vm_intern (vm, "join"); |
|
625 |
+ ctx->s_pop = js_vm_intern (vm, "pop"); |
|
626 |
+ ctx->s_push = js_vm_intern (vm, "push"); |
|
627 |
+ ctx->s_reverse = js_vm_intern (vm, "reverse"); |
|
628 |
+ ctx->s_shift = js_vm_intern (vm, "shift"); |
|
629 |
+ ctx->s_slice = js_vm_intern (vm, "slice"); |
|
630 |
+ ctx->s_splice = js_vm_intern (vm, "splice"); |
|
631 |
+ ctx->s_sort = js_vm_intern (vm, "sort"); |
|
632 |
+ ctx->s_unshift = js_vm_intern (vm, "unshift"); |
|
633 |
+ |
|
634 |
+ ctx->s_length = js_vm_intern (vm, "length"); |
|
635 |
+ |
|
636 |
+ info = js_vm_builtin_info_create (vm); |
|
637 |
+ vm->prim[JS_ARRAY] = info; |
|
638 |
+ |
|
639 |
+ info->global_method_proc = global_method; |
|
640 |
+ info->method_proc = method; |
|
641 |
+ info->property_proc = property; |
|
642 |
+ info->new_proc = new_proc; |
|
643 |
+ info->obj_context = ctx; |
|
644 |
+ info->obj_context_delete = js_free; |
|
645 |
+ |
|
646 |
+ /* Define it. */ |
|
647 |
+ n = &vm->globals[js_vm_intern (vm, "Array")]; |
|
648 |
+ js_vm_builtin_create (vm, n, info, NULL); |
|
649 |
+} |
0 | 650 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,153 @@ |
0 |
+/* |
|
1 |
+ * The builtin Boolean object. |
|
2 |
+ * Copyright (c) 1998 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/b_bool.c,v $ |
|
26 |
+ * $Id: b_bool.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+#include "jsint.h" |
|
30 |
+ |
|
31 |
+/* |
|
32 |
+ * Static functions. |
|
33 |
+ */ |
|
34 |
+ |
|
35 |
+/* Global method proc. */ |
|
36 |
+static void |
|
37 |
+global_method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
38 |
+ void *instance_context, JSNode *result_return, |
|
39 |
+ JSNode *args) |
|
40 |
+{ |
|
41 |
+ result_return->type = JS_BOOLEAN; |
|
42 |
+ |
|
43 |
+ if (args->u.vinteger == 0) |
|
44 |
+ result_return->u.vboolean = 0; |
|
45 |
+ else if (args->u.vinteger == 1) |
|
46 |
+ result_return->u.vboolean = js_vm_to_boolean (vm, &args[1]); |
|
47 |
+ else |
|
48 |
+ { |
|
49 |
+ sprintf (vm->error, "Boolean(): illegal amount of arguments"); |
|
50 |
+ js_vm_error (vm); |
|
51 |
+ } |
|
52 |
+} |
|
53 |
+ |
|
54 |
+/* Method proc. */ |
|
55 |
+static int |
|
56 |
+method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
57 |
+ void *instance_context, JSSymbol method, JSNode *result_return, |
|
58 |
+ JSNode *args) |
|
59 |
+{ |
|
60 |
+ JSNode *n = instance_context; |
|
61 |
+ char *cp; |
|
62 |
+ |
|
63 |
+ if (method == vm->syms.s_toString) |
|
64 |
+ { |
|
65 |
+ if (args->u.vinteger != 0) |
|
66 |
+ { |
|
67 |
+ sprintf (vm->error, "Boolean.%s(): illegal amount of arguments", |
|
68 |
+ js_vm_symname (vm, method)); |
|
69 |
+ js_vm_error (vm); |
|
70 |
+ } |
|
71 |
+ |
|
72 |
+ if (n) |
|
73 |
+ { |
|
74 |
+ cp = n->u.vboolean ? "true" : "false"; |
|
75 |
+ js_vm_make_static_string (vm, result_return, cp, strlen (cp)); |
|
76 |
+ } |
|
77 |
+ else |
|
78 |
+ js_vm_make_static_string (vm, result_return, "Boolean", 7); |
|
79 |
+ } |
|
80 |
+ /* ********************************************************************** */ |
|
81 |
+ else if (method == vm->syms.s_valueOf) |
|
82 |
+ { |
|
83 |
+ if (n) |
|
84 |
+ JS_COPY (result_return, n); |
|
85 |
+ else |
|
86 |
+ { |
|
87 |
+ n = &vm->globals[js_vm_intern (vm, "Boolean")]; |
|
88 |
+ JS_COPY (result_return, n); |
|
89 |
+ } |
|
90 |
+ } |
|
91 |
+ /* ********************************************************************** */ |
|
92 |
+ else |
|
93 |
+ return JS_PROPERTY_UNKNOWN; |
|
94 |
+ |
|
95 |
+ return JS_PROPERTY_FOUND; |
|
96 |
+} |
|
97 |
+ |
|
98 |
+/* Property proc. */ |
|
99 |
+static int |
|
100 |
+property (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
101 |
+ void *instance_context, JSSymbol property, int set, JSNode *node) |
|
102 |
+{ |
|
103 |
+ if (!set) |
|
104 |
+ node->type = JS_UNDEFINED; |
|
105 |
+ |
|
106 |
+ return JS_PROPERTY_UNKNOWN; |
|
107 |
+} |
|
108 |
+ |
|
109 |
+/* New proc. */ |
|
110 |
+static void |
|
111 |
+new_proc (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, JSNode *args, |
|
112 |
+ JSNode *result_return) |
|
113 |
+{ |
|
114 |
+ result_return->type = JS_BOOLEAN; |
|
115 |
+ |
|
116 |
+ if (args->u.vinteger == 0) |
|
117 |
+ result_return->u.vboolean = 0; |
|
118 |
+ else if (args->u.vinteger == 1) |
|
119 |
+ result_return->u.vboolean = js_vm_to_boolean (vm, &args[1]); |
|
120 |
+ else |
|
121 |
+ { |
|
122 |
+ sprintf (vm->error, "new Boolean(): illegal amount of arguments"); |
|
123 |
+ js_vm_error (vm); |
|
124 |
+ } |
|
125 |
+ |
|
126 |
+ /* Set the [[Prototype]] and [[Class]] properties. */ |
|
127 |
+ /* XXX 15.10.2.1 */ |
|
128 |
+} |
|
129 |
+ |
|
130 |
+ |
|
131 |
+/* |
|
132 |
+ * Global functions. |
|
133 |
+ */ |
|
134 |
+ |
|
135 |
+void |
|
136 |
+js_builtin_Boolean (JSVirtualMachine *vm) |
|
137 |
+{ |
|
138 |
+ JSNode *n; |
|
139 |
+ JSBuiltinInfo *info; |
|
140 |
+ |
|
141 |
+ info = js_vm_builtin_info_create (vm); |
|
142 |
+ vm->prim[JS_BOOLEAN] = info; |
|
143 |
+ |
|
144 |
+ info->global_method_proc = global_method; |
|
145 |
+ info->method_proc = method; |
|
146 |
+ info->property_proc = property; |
|
147 |
+ info->new_proc = new_proc; |
|
148 |
+ |
|
149 |
+ /* Define it. */ |
|
150 |
+ n = &vm->globals[js_vm_intern (vm, "Boolean")]; |
|
151 |
+ js_vm_builtin_create (vm, n, info, NULL); |
|
152 |
+} |
0 | 153 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,792 @@ |
0 |
+/* |
|
1 |
+ * The builtin Date object. |
|
2 |
+ * Copyright (c) 1998 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/b_date.c,v $ |
|
26 |
+ * $Id: b_date.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+#include "jsint.h" |
|
30 |
+#include "rentrant.h" |
|
31 |
+ |
|
32 |
+/* XXX TODO 15.13.3 -> */ |
|
33 |
+ |
|
34 |
+/* |
|
35 |
+ * Types and definitions. |
|
36 |
+ */ |
|
37 |
+ |
|
38 |
+#define GMT_DATE_FORMAT "%a, %d %b %Y %H:%M:%S GMT" |
|
39 |
+ |
|
40 |
+#define MS_PER_SECOND 1000 |
|
41 |
+#define MS_PER_MINUTE (60 * MS_PER_SECOND) |
|
42 |
+#define MS_PER_HOUR (60 * MS_PER_MINUTE) |
|
43 |
+#define MS_PER_DAY (24 * MS_PER_HOUR) |
|
44 |
+ |
|
45 |
+/* Class context. */ |
|
46 |
+struct date_ctx_st |
|
47 |
+{ |
|
48 |
+ /* Static methods. */ |
|
49 |
+ JSSymbol s_parse; |
|
50 |
+ |
|
51 |
+ /* Methods. */ |
|
52 |
+ JSSymbol s_format; |
|
53 |
+ JSSymbol s_formatGMT; |
|
54 |
+ JSSymbol s_getDate; |
|
55 |
+ JSSymbol s_getDay; |
|
56 |
+ JSSymbol s_getHours; |
|
57 |
+ JSSymbol s_getMinutes; |
|
58 |
+ JSSymbol s_getMonth; |
|
59 |
+ JSSymbol s_getSeconds; |
|
60 |
+ JSSymbol s_getTime; |
|
61 |
+ JSSymbol s_getTimezoneOffset; |
|
62 |
+ JSSymbol s_getYear; |
|
63 |
+ JSSymbol s_setDate; |
|
64 |
+ JSSymbol s_setHours; |
|
65 |
+ JSSymbol s_setMinutes; |
|
66 |
+ JSSymbol s_setMonth; |
|
67 |
+ JSSymbol s_setSeconds; |
|
68 |
+ JSSymbol s_setTime; |
|
69 |
+ JSSymbol s_setYear; |
|
70 |
+ JSSymbol s_toGMTString; |
|
71 |
+ JSSymbol s_toLocaleString; |
|
72 |
+ JSSymbol s_UTC; |
|
73 |
+}; |
|
74 |
+ |
|
75 |
+typedef struct date_ctx_st DateCtx; |
|
76 |
+ |
|
77 |
+/* Date instance context. */ |
|
78 |
+struct date_instance_ctx_st |
|
79 |
+{ |
|
80 |
+ time_t secs; |
|
81 |
+ struct tm localtime; |
|
82 |
+}; |
|
83 |
+ |
|
84 |
+typedef struct date_instance_ctx_st DateInstanceCtx; |
|
85 |
+ |
|
86 |
+/* |
|
87 |
+ * Static functions. |
|
88 |
+ */ |
|
89 |
+ |
|
90 |
+/* Global methods. */ |
|
91 |
+void |
|
92 |
+MakeTime_global_method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
93 |
+ void *instance_context, JSNode *result_return, |
|
94 |
+ JSNode *args) |
|
95 |
+{ |
|
96 |
+ if (args->u.vinteger != 4) |
|
97 |
+ { |
|
98 |
+ sprintf (vm->error, "MakeTime: illegal amount of argument"); |
|
99 |
+ js_vm_error (vm); |
|
100 |
+ } |
|
101 |
+ if (!JS_IS_NUMBER (&args[1]) || !JS_IS_NUMBER (&args[2]) |
|
102 |
+ || !JS_IS_NUMBER (&args[3]) || !JS_IS_NUMBER (&args[4])) |
|
103 |
+ { |
|
104 |
+ sprintf (vm->error, "MakeTime: illegal argument"); |
|
105 |
+ js_vm_error (vm); |
|
106 |
+ } |
|
107 |
+ if (!JS_IS_FINITE (&args[1]) || !JS_IS_FINITE (&args[2]) |
|
108 |
+ || !JS_IS_FINITE (&args[3]) || !JS_IS_FINITE (&args[4])) |
|
109 |
+ { |
|
110 |
+ result_return->type = JS_NAN; |
|
111 |
+ } |
|
112 |
+ else |
|
113 |
+ { |
|
114 |
+ JSInt32 hour, min, sec, ms; |
|
115 |
+ |
|
116 |
+ hour = js_vm_to_int32 (vm, &args[1]); |
|
117 |
+ min = js_vm_to_int32 (vm, &args[2]); |
|
118 |
+ sec = js_vm_to_int32 (vm, &args[3]); |
|
119 |
+ ms = js_vm_to_int32 (vm, &args[4]); |
|
120 |
+ |
|
121 |
+ result_return->type = JS_FLOAT; |
|
122 |
+ result_return->u.vfloat = (hour * MS_PER_HOUR |
|
123 |
+ + min * MS_PER_MINUTE |
|
124 |
+ + sec * MS_PER_SECOND |
|
125 |
+ + ms); |
|
126 |
+ } |
|
127 |
+} |
|
128 |
+ |
|
129 |
+ |
|
130 |
+void |
|
131 |
+MakeDay_global_method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
132 |
+ void *instance_context, JSNode *result_return, |
|
133 |
+ JSNode *args) |
|
134 |
+{ |
|
135 |
+ if (args->u.vinteger != 3) |
|
136 |
+ { |
|
137 |
+ sprintf (vm->error, "MakeDay: illegal amount of argument"); |
|
138 |
+ js_vm_error (vm); |
|
139 |
+ } |
|
140 |
+ if (!JS_IS_NUMBER (&args[1]) || !JS_IS_NUMBER (&args[2]) |
|
141 |
+ || !JS_IS_NUMBER (&args[3])) |
|
142 |
+ { |
|
143 |
+ sprintf (vm->error, "MakeDay: illegal argument"); |
|
144 |
+ js_vm_error (vm); |
|
145 |
+ } |
|
146 |
+ if (!JS_IS_FINITE (&args[1]) || !JS_IS_FINITE (&args[2]) |
|
147 |
+ || !JS_IS_FINITE (&args[3])) |
|
148 |
+ { |
|
149 |
+ result_return->type = JS_NAN; |
|
150 |
+ } |
|
151 |
+ else |
|
152 |
+ { |
|
153 |
+ JSInt32 year, month, day; |
|
154 |
+ |
|
155 |
+ year = js_vm_to_int32 (vm, &args[1]); |
|
156 |
+ month = js_vm_to_int32 (vm, &args[2]); |
|
157 |
+ day = js_vm_to_int32 (vm, &args[3]); |
|
158 |
+ |
|
159 |
+ sprintf (vm->error, "MakeDay: not implemented yet"); |
|
160 |
+ js_vm_error (vm); |
|
161 |
+ } |
|
162 |
+} |
|
163 |
+ |
|
164 |
+ |
|
165 |
+void |
|
166 |
+MakeDate_global_method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
167 |
+ void *instance_context, JSNode *result_return, |
|
168 |
+ JSNode *args) |
|
169 |
+{ |
|
170 |
+ if (args->u.vinteger != 2) |
|
171 |
+ { |
|
172 |
+ sprintf (vm->error, "MakeDate: illegal amount of argument"); |
|
173 |
+ js_vm_error (vm); |
|
174 |
+ } |
|
175 |
+ if (!JS_IS_NUMBER (&args[1]) || !JS_IS_NUMBER (&args[2])) |
|
176 |
+ { |
|
177 |
+ sprintf (vm->error, "MakeDate: illegal argument"); |
|
178 |
+ js_vm_error (vm); |
|
179 |
+ } |
|
180 |
+ if (!JS_IS_FINITE (&args[1]) || !JS_IS_FINITE (&args[2])) |
|
181 |
+ { |
|
182 |
+ result_return->type = JS_NAN; |
|
183 |
+ } |
|
184 |
+ else |
|
185 |
+ { |
|
186 |
+ JSInt32 day; |
|
187 |
+ JSInt32 time; |
|
188 |
+ |
|
189 |
+ day = js_vm_to_int32 (vm, &args[1]); |
|
190 |
+ time = js_vm_to_int32 (vm, &args[2]); |
|
191 |
+ |
|
192 |
+ result_return->type = JS_FLOAT; |
|
193 |
+ result_return->u.vfloat = (day * MS_PER_DAY + time); |
|
194 |
+ } |
|
195 |
+} |
|
196 |
+ |
|
197 |
+ |
|
198 |
+void |
|
199 |
+TimeClip_global_method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
200 |
+ void *instance_context, JSNode *result_return, |
|
201 |
+ JSNode *args) |
|
202 |
+{ |
|
203 |
+ if (args->u.vinteger != 1) |
|
204 |
+ { |
|
205 |
+ sprintf (vm->error, "TimeClip: illegal amount of argument"); |
|
206 |
+ js_vm_error (vm); |
|
207 |
+ } |
|
208 |
+ if (!JS_IS_NUMBER (&args[1])) |
|
209 |
+ { |
|
210 |
+ sprintf (vm->error, "TimeClip: illegal argument"); |
|
211 |
+ js_vm_error (vm); |
|
212 |
+ } |
|
213 |
+ if (!JS_IS_FINITE (&args[1])) |
|
214 |
+ { |
|
215 |
+ result_return->type = JS_NAN; |
|
216 |
+ } |
|
217 |
+ else |
|
218 |
+ { |
|
219 |
+ result_return->type = JS_FLOAT; |
|
220 |
+ |
|
221 |
+ if (args[1].type == JS_INTEGER) |
|
222 |
+ result_return->u.vfloat = (double) args[1].u.vinteger; |
|
223 |
+ else |
|
224 |
+ result_return->u.vfloat = args[1].u.vfloat; |
|
225 |
+ |
|
226 |
+ if (result_return->u.vfloat > 8.64e15 |
|
227 |
+ || result_return->u.vfloat < -8.64e15) |
|
228 |
+ result_return->type = JS_NAN; |
|
229 |
+ } |
|
230 |
+} |
|
231 |
+ |
|
232 |
+/* Method proc. */ |
|
233 |
+static int |
|
234 |
+method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
235 |
+ void *instance_context, JSSymbol method, JSNode *result_return, |
|
236 |
+ JSNode *args) |
|
237 |
+{ |
|
238 |
+ DateCtx *ctx = builtin_info->obj_context; |
|
239 |
+ DateInstanceCtx *ictx = instance_context; |
|
240 |
+ |
|
241 |
+ /* The default return type is integer. */ |
|
242 |
+ result_return->type = JS_INTEGER; |
|
243 |
+ |
|
244 |
+ /* Static methods. */ |
|
245 |
+ if (method == ctx->s_parse) |
|
246 |
+ { |
|
247 |
+ goto not_implemented_yet; |
|
248 |
+ } |
|
249 |
+ /* ********************************************************************** */ |
|
250 |
+ else if (method == vm->syms.s_toString) |
|
251 |
+ { |
|
252 |
+ if (args->u.vinteger != 0) |
|
253 |
+ goto argument_error; |
|
254 |
+ |
|
255 |
+ if (ictx) |
|
256 |
+ goto date_to_string; |
|
257 |
+ else |
|
258 |
+ js_vm_make_static_string (vm, result_return, "Date", 4); |
|
259 |
+ } |
|
260 |
+ /* ********************************************************************** */ |
|
261 |
+ else if (ictx) |
|
262 |
+ { |
|
263 |
+ /* Methods. */ |
|
264 |
+ |
|
265 |
+ if (method == ctx->s_format || method == ctx->s_formatGMT) |
|
266 |
+ { |
|
267 |
+ struct tm tm_st; |
|
268 |
+ struct tm *tm = &ictx->localtime; |
|
269 |
+ char *fmt; |
|
270 |
+ char *buf; |
|
271 |
+ unsigned int buflen; |
|
272 |
+ |
|
273 |
+ if (args->u.vinteger != 1) |
|
274 |
+ goto argument_error; |
|
275 |
+ if (args[1].type != JS_STRING) |
|
276 |
+ goto argument_type_error; |
|
277 |
+ |
|
278 |
+ fmt = js_string_to_c_string (vm, &args[1]); |
|
279 |
+ |
|
280 |
+ buflen = args[1].u.vstring->len * 2 + 1; |
|
281 |
+ buf = js_malloc (vm, buflen); |
|
282 |
+ |
|
283 |
+ if (method == ctx->s_formatGMT) |
|
284 |
+ { |
|
285 |
+ js_gmtime (&ictx->secs, &tm_st); |
|
286 |
+ tm = &tm_st; |
|
287 |
+ } |
|
288 |
+ |
|
289 |
+ if (args[1].u.vstring->len == 0) |
|
290 |
+ buf[0] = '\0'; |
|
291 |
+ else |
|
292 |
+ { |
|
293 |
+ while (strftime (buf, buflen, fmt, tm) == 0) |
|
294 |
+ { |
|
295 |
+ /* Expand the buffer. */ |
|
296 |
+ buflen *= 2; |
|
297 |
+ buf = js_realloc (vm, buf, buflen); |
|
298 |
+ } |
|
299 |
+ } |
|
300 |
+ |
|
301 |
+ js_vm_make_string (vm, result_return, buf, strlen (buf)); |
|
302 |
+ |
|
303 |
+ js_free (fmt); |
|
304 |
+ js_free (buf); |
|
305 |
+ } |
|
306 |
+ /* ***************************************************************** */ |
|
307 |
+ else if (method == ctx->s_getDate) |
|
308 |
+ { |
|
309 |
+ if (args->u.vinteger != 0) |
|
310 |
+ goto argument_error; |
|
311 |
+ |
|
312 |
+ result_return->u.vinteger = ictx->localtime.tm_mday; |
|
313 |
+ } |
|
314 |
+ /* ***************************************************************** */ |
|
315 |
+ else if (method == ctx->s_getDay) |
|
316 |
+ { |
|
317 |
+ if (args->u.vinteger != 0) |
|
318 |
+ goto argument_error; |
|
319 |
+ |
|
320 |
+ result_return->u.vinteger = ictx->localtime.tm_wday; |
|
321 |
+ } |
|
322 |
+ /* ***************************************************************** */ |
|
323 |
+ else if (method == ctx->s_getHours) |
|
324 |
+ { |
|
325 |
+ if (args->u.vinteger != 0) |
|
326 |
+ goto argument_error; |
|
327 |
+ |
|
328 |
+ result_return->u.vinteger = ictx->localtime.tm_hour; |
|
329 |
+ } |
|
330 |
+ /* ***************************************************************** */ |
|
331 |
+ else if (method == ctx->s_getMinutes) |
|
332 |
+ { |
|
333 |
+ if (args->u.vinteger != 0) |
|
334 |
+ goto argument_error; |
|
335 |
+ |
|
336 |
+ result_return->u.vinteger = ictx->localtime.tm_min; |
|
337 |
+ } |
|
338 |
+ /* ***************************************************************** */ |
|
339 |
+ else if (method == ctx->s_getMonth) |
|
340 |
+ { |
|
341 |
+ if (args->u.vinteger != 0) |
|
342 |
+ goto argument_error; |
|
343 |
+ |
|
344 |
+ result_return->u.vinteger = ictx->localtime.tm_mon; |
|
345 |
+ } |
|
346 |
+ /* ***************************************************************** */ |
|
347 |
+ else if (method == ctx->s_getSeconds) |
|
348 |
+ { |
|
349 |
+ if (args->u.vinteger != 0) |
|
350 |
+ goto argument_error; |
|
351 |
+ |
|
352 |
+ result_return->u.vinteger = ictx->localtime.tm_sec; |
|
353 |
+ } |
|
354 |
+ /* ***************************************************************** */ |
|
355 |
+ else if (method == ctx->s_getTime) |
|
356 |
+ { |
|
357 |
+ if (args->u.vinteger != 0) |
|
358 |
+ goto argument_error; |
|
359 |
+ |
|
360 |
+ result_return->type = JS_FLOAT; |
|
361 |
+ result_return->u.vfloat = (double) ictx->secs * 1000; |
|
362 |
+ } |
|
363 |
+ /* ***************************************************************** */ |
|
364 |
+ else if (method == ctx->s_getTimezoneOffset) |
|
365 |
+ goto not_implemented_yet; |
|
366 |
+ /* ***************************************************************** */ |
|
367 |
+ else if (method == ctx->s_getYear) |
|
368 |
+ { |
|
369 |
+ if (args->u.vinteger != 0) |
|
370 |
+ goto argument_error; |
|
371 |
+ |
|
372 |
+ result_return->u.vinteger = ictx->localtime.tm_year; |
|
373 |
+ if (ictx->localtime.tm_year >= 100 |
|
374 |
+ || ictx->localtime.tm_year < 0) |
|
375 |
+ result_return->u.vinteger += 1900; |
|
376 |
+ } |
|
377 |
+ /* ***************************************************************** */ |
|
378 |
+ else if (method == ctx->s_setDate) |
|
379 |
+ { |
|
380 |
+ if (args->u.vinteger != 1) |
|
381 |
+ goto argument_error; |
|
382 |
+ if (args[1].type != JS_INTEGER) |
|
383 |
+ goto argument_type_error; |
|
384 |
+ |
|
385 |
+ if (1 <= args[1].u.vinteger && args[1].u.vinteger <= 31) |
|
386 |
+ { |
|
387 |
+ ictx->localtime.tm_mday = args[1].u.vinteger; |
|
388 |
+ ictx->secs = mktime (&ictx->localtime); |
|
389 |
+ } |
|
390 |
+ else |
|
391 |
+ goto argument_range_error; |
|
392 |
+ } |
|
393 |
+ /* ***************************************************************** */ |
|
394 |
+ else if (method == ctx->s_setHours) |
|
395 |
+ { |
|
396 |
+ if (args->u.vinteger != 1) |
|
397 |
+ goto argument_error; |
|
398 |
+ if (args[1].type != JS_INTEGER) |
|
399 |
+ goto argument_type_error; |
|
400 |
+ |
|
401 |
+ if (0 <= args[1].u.vinteger && args[1].u.vinteger <= 23) |
|
402 |
+ { |
|
403 |
+ ictx->localtime.tm_hour = args[1].u.vinteger; |
|
404 |
+ ictx->secs = mktime (&ictx->localtime); |
|
405 |
+ } |
|
406 |
+ else |
|
407 |
+ goto argument_range_error; |
|
408 |
+ } |
|
409 |
+ /* ***************************************************************** */ |
|
410 |
+ else if (method == ctx->s_setMinutes) |
|
411 |
+ { |
|
412 |
+ if (args->u.vinteger != 1) |
|
413 |
+ goto argument_error; |
|
414 |
+ if (args[1].type != JS_INTEGER) |
|
415 |
+ goto argument_type_error; |
|
416 |
+ |
|
417 |
+ if (0 <= args[1].u.vinteger && args[1].u.vinteger <= 59) |
|
418 |
+ { |
|
419 |
+ ictx->localtime.tm_min = args[1].u.vinteger; |
|
420 |
+ ictx->secs = mktime (&ictx->localtime); |
|
421 |
+ } |
|
422 |
+ else |
|
423 |
+ goto argument_range_error; |
|
424 |
+ } |
|
425 |
+ /* ***************************************************************** */ |
|
426 |
+ else if (method == ctx->s_setMonth) |
|
427 |
+ { |
|
428 |
+ if (args->u.vinteger != 1) |
|
429 |
+ goto argument_error; |
|
430 |
+ if (args[1].type != JS_INTEGER) |
|
431 |
+ goto argument_type_error; |
|
432 |
+ |
|
433 |
+ if (0 <= args[1].u.vinteger && args[1].u.vinteger <= 11) |
|
434 |
+ { |
|
435 |
+ ictx->localtime.tm_mon = args[1].u.vinteger; |
|
436 |
+ ictx->secs = mktime (&ictx->localtime); |
|
437 |
+ } |
|
438 |
+ else |
|
439 |
+ goto argument_range_error; |
|
440 |
+ } |
|
441 |
+ /* ***************************************************************** */ |
|
442 |
+ else if (method == ctx->s_setSeconds) |
|
443 |
+ { |
|
444 |
+ if (args->u.vinteger != 1) |
|
445 |
+ goto argument_error; |
|
446 |
+ if (args[1].type != JS_INTEGER) |
|
447 |
+ goto argument_type_error; |
|
448 |
+ |
|
449 |
+ if (0 <= args[1].u.vinteger && args[1].u.vinteger <= 59) |
|
450 |
+ { |
|
451 |
+ ictx->localtime.tm_sec = args[1].u.vinteger; |
|
452 |
+ ictx->secs = mktime (&ictx->localtime); |
|
453 |
+ } |
|
454 |
+ else |
|
455 |
+ goto argument_range_error; |
|
456 |
+ } |
|
457 |
+ /* ***************************************************************** */ |
|
458 |
+ else if (method == ctx->s_setTime) |
|
459 |
+ { |
|
460 |
+ if (args->u.vinteger != 1) |
|
461 |
+ goto argument_error; |
|
462 |
+ |
|
463 |
+ if (args[1].type == JS_INTEGER) |
|
464 |
+ ictx->secs = args[1].u.vinteger / 1000; |
|
465 |
+ else if (args[1].type == JS_FLOAT) |
|
466 |
+ ictx->secs = (long) (args[1].u.vfloat / 1000); |
|
467 |
+ else |
|
468 |
+ goto argument_type_error; |
|
469 |
+ |
|
470 |
+ js_localtime (&ictx->secs, &ictx->localtime); |
|
471 |
+ } |
|
472 |
+ /* ***************************************************************** */ |
|
473 |
+ else if (method == ctx->s_setYear) |
|
474 |
+ { |
|
475 |
+ if (args->u.vinteger != 1) |
|
476 |
+ goto argument_error; |
|
477 |
+ if (args[1].type != JS_INTEGER) |
|
478 |
+ goto argument_type_error; |
|
479 |
+ |
|
480 |
+ ictx->localtime.tm_year = args[1].u.vinteger; |
|
481 |
+ if (args[1].u.vinteger < 0 || args[1].u.vinteger >= 100) |
|
482 |
+ ictx->localtime.tm_year -= 1900; |
|
483 |
+ |
|
484 |
+ ictx->secs = mktime (&ictx->localtime); |
|
485 |
+ } |
|
486 |
+ /* ***************************************************************** */ |
|
487 |
+ else if (method == ctx->s_toGMTString) |
|
488 |
+ { |
|
489 |
+ struct tm tm_st; |
|
490 |
+ char buf[1024]; /* This is enought. */ |
|
491 |
+ |
|
492 |
+ if (args->u.vinteger != 0) |
|
493 |
+ goto argument_error; |
|
494 |
+ |
|
495 |
+ js_gmtime (&ictx->secs, &tm_st); |
|
496 |
+ strftime (buf, sizeof (buf), GMT_DATE_FORMAT, &tm_st); |
|
497 |
+ |
|
498 |
+ js_vm_make_string (vm, result_return, buf, strlen (buf)); |
|
499 |
+ } |
|
500 |
+ /* ***************************************************************** */ |
|
501 |
+ else if (method == ctx->s_toLocaleString) |
|
502 |
+ { |
|
503 |
+ char *cp; |
|
504 |
+ char buf[1024]; /* This is enought */ |
|
505 |
+ |
|
506 |
+ if (args->u.vinteger != 0) |
|
507 |
+ goto argument_error; |
|
508 |
+ |
|
509 |
+ date_to_string: |
|
510 |
+ |
|
511 |
+ js_asctime (&ictx->localtime, buf, sizeof (buf)); |
|
512 |
+ cp = strchr (buf, '\n'); |
|
513 |
+ if (cp) |
|
514 |
+ *cp = '\0'; |
|
515 |
+ |
|
516 |
+ js_vm_make_string (vm, result_return, buf, strlen (buf)); |
|
517 |
+ } |
|
518 |
+ /* ***************************************************************** */ |
|
519 |
+ else if (method == ctx->s_UTC) |
|
520 |
+ goto not_implemented_yet; |
|
521 |
+ /* ***************************************************************** */ |
|
522 |
+ else |
|
523 |
+ return JS_PROPERTY_UNKNOWN; |
|
524 |
+ } |
|
525 |
+ /* ********************************************************************** */ |
|
526 |
+ else |
|
527 |
+ return JS_PROPERTY_UNKNOWN; |
|
528 |
+ |
|
529 |
+ return JS_PROPERTY_FOUND; |
|
530 |
+ |
|
531 |
+ |
|
532 |
+ /* |
|
533 |
+ * Error handling. |
|
534 |
+ */ |
|
535 |
+ |
|
536 |
+ not_implemented_yet: |
|
537 |
+ sprintf (vm->error, "Date.%s(): not implemented yet", |
|
538 |
+ js_vm_symname (vm, method)); |
|
539 |
+ js_vm_error (vm); |
|
540 |
+ |
|
541 |
+ argument_error: |
|
542 |
+ sprintf (vm->error, "Date.%s(): illegal amount of arguments", |
|
543 |
+ js_vm_symname (vm, method)); |
|
544 |
+ js_vm_error (vm); |
|
545 |
+ |
|
546 |
+ argument_type_error: |
|
547 |
+ sprintf (vm->error, "Date.%s(): illegal argument", |
|
548 |
+ js_vm_symname (vm, method)); |
|
549 |
+ js_vm_error (vm); |
|
550 |
+ |
|
551 |
+ argument_range_error: |
|
552 |
+ sprintf (vm->error, "Date.%s(): argument out of range", |
|
553 |
+ js_vm_symname (vm, method)); |
|
554 |
+ js_vm_error (vm); |
|
555 |
+ |
|
556 |
+ /* NOTREACHED. */ |
|
557 |
+ return 0; |
|
558 |
+} |
|
559 |
+ |
|
560 |
+ |
|
561 |
+/* Global method proc. */ |
|
562 |
+static void |
|
563 |
+global_method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
564 |
+ void *instance_context, JSNode *result_return, |
|
565 |
+ JSNode *args) |
|
566 |
+{ |
|
567 |
+ time_t secs; |
|
568 |
+ struct tm localtime; |
|
569 |
+ char buf[512]; |
|
570 |
+ char *cp; |
|
571 |
+ |
|
572 |
+ if (args->u.vinteger > 7) |
|
573 |
+ { |
|
574 |
+ sprintf (vm->error, "Date(): illegal amount of arguments"); |
|
575 |
+ js_vm_error (vm); |
|
576 |
+ } |
|
577 |
+ |
|
578 |
+ /* |
|
579 |
+ * We ignore our arguments and return the result of: |
|
580 |
+ * `new Date ().toString ()'. |
|
581 |
+ */ |
|
582 |
+ |
|
583 |
+ secs = time (NULL); |
|
584 |
+ js_localtime (&secs, &localtime); |
|
585 |
+ js_asctime (&localtime, buf, sizeof (buf)); |
|
586 |
+ |
|
587 |
+ cp = strchr (buf, '\n'); |
|
588 |
+ if (cp) |
|
589 |
+ *cp = '\0'; |
|
590 |
+ |
|
591 |
+ js_vm_make_string (vm, result_return, buf, strlen (buf)); |
|
592 |
+} |
|
593 |
+ |
|
594 |
+ |
|
595 |
+/* Property proc. */ |
|
596 |
+static int |
|
597 |
+property (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
598 |
+ void *instance_context, JSSymbol property, int set, JSNode *node) |
|
599 |
+{ |
|
600 |
+ if (!set) |
|
601 |
+ node->type = JS_UNDEFINED; |
|
602 |
+ |
|
603 |
+ return JS_PROPERTY_UNKNOWN; |
|
604 |
+} |
|
605 |
+ |
|
606 |
+/* New proc. */ |
|
607 |
+static void |
|
608 |
+new_proc (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, JSNode *args, |
|
609 |
+ JSNode *result_return) |
|
610 |
+{ |
|
611 |
+ DateInstanceCtx *instance; |
|
612 |
+ time_t seconds = 0; /* Initialized to keep compiler quiet. */ |
|
613 |
+ |
|
614 |
+ instance = js_calloc (vm, 1, sizeof (*instance)); |
|
615 |
+ |
|
616 |
+ if (args->u.vinteger == 0) |
|
617 |
+ { |
|
618 |
+ instance->secs = time (NULL); |
|
619 |
+ js_localtime (&instance->secs, &instance->localtime); |
|
620 |
+ } |
|
621 |
+ else if (args->u.vinteger == 1) |
|
622 |
+ goto not_implemented_yet; |
|
623 |
+ else if (args->u.vinteger == 3 || args->u.vinteger == 6) |
|
624 |
+ { |
|
625 |
+ int i; |
|
626 |
+ |
|
627 |
+ for (i = 0; i < args->u.vinteger; i++) |
|
628 |
+ if (args[i + 1].type != JS_INTEGER) |
|
629 |
+ goto argument_type_error; |
|
630 |
+ |
|
631 |
+ /* Year. */ |
|
632 |
+ instance->localtime.tm_year = args[1].u.vinteger; |
|
633 |
+ if (args[1].u.vinteger < 0 || args[1].u.vinteger >= 100) |
|
634 |
+ instance->localtime.tm_year -= 1900; |
|
635 |
+ |
|
636 |
+ /* Month. */ |
|
637 |
+ if (0 <= args[2].u.vinteger && args[2].u.vinteger <= 11) |
|
638 |
+ instance->localtime.tm_mon = args[2].u.vinteger; |
|
639 |
+ else |
|
640 |
+ goto argument_range_error; |
|
641 |
+ |
|
642 |
+ /* Day. */ |
|
643 |
+ if (1 <= args[3].u.vinteger && args[3].u.vinteger <= 31) |
|
644 |
+ instance->localtime.tm_mday = args[3].u.vinteger; |
|
645 |
+ else |
|
646 |
+ goto argument_range_error; |
|
647 |
+ |
|
648 |
+ if (args->u.vinteger == 6) |
|
649 |
+ { |
|
650 |
+ /* Sync the localtime according to year, month and day. */ |
|
651 |
+ mktime (&instance->localtime); |
|
652 |
+ |
|
653 |
+ /* Hours. */ |
|
654 |
+ if (0 <= args[4].u.vinteger && args[4].u.vinteger <= 23) |
|
655 |
+ instance->localtime.tm_hour = args[4].u.vinteger; |
|
656 |
+ else |
|
657 |
+ goto argument_range_error; |
|
658 |
+ |
|
659 |
+ /* Minutes. */ |
|
660 |
+ if (0 <= args[5].u.vinteger && args[5].u.vinteger <= 59) |
|
661 |
+ instance->localtime.tm_min = args[5].u.vinteger; |
|
662 |
+ else |
|
663 |
+ goto argument_range_error; |
|
664 |
+ |
|
665 |
+ /* Seconds. */ |
|
666 |
+ if (0 <= args[6].u.vinteger && args[6].u.vinteger <= 59) |
|
667 |
+ instance->localtime.tm_sec = args[6].u.vinteger; |
|
668 |
+ else |
|
669 |
+ goto argument_range_error; |
|
670 |
+ } |
|
671 |
+ |
|
672 |
+ instance->secs = mktime (&instance->localtime); |
|
673 |
+ } |
|
674 |
+ else |
|
675 |
+ { |
|
676 |
+ js_free (instance); |
|
677 |
+ |
|
678 |
+ sprintf (vm->error, "new Date(): illegal amount of arguments"); |
|
679 |
+ js_vm_error (vm); |
|
680 |
+ } |
|
681 |
+ |
|
682 |
+ js_vm_builtin_create (vm, result_return, builtin_info, instance); |
|
683 |
+ |
|
684 |
+ return; |
|
685 |
+ |
|
686 |
+ /* |
|
687 |
+ * Error handling. |
|
688 |
+ */ |
|
689 |
+ |
|
690 |
+ not_implemented_yet: |
|
691 |
+ sprintf (vm->error, "new Date(%ld args): not implemented yet", |
|
692 |
+ args->u.vinteger); |
|
693 |
+ js_vm_error (vm); |
|
694 |
+ |
|
695 |
+ argument_type_error: |
|
696 |
+ sprintf (vm->error, "new Date(): illegal argument"); |
|
697 |
+ js_vm_error (vm); |
|
698 |
+ |
|
699 |
+ argument_range_error: |
|
700 |
+ sprintf (vm->error, "new Date(): argument out of range"); |
|
701 |
+ js_vm_error (vm); |
|
702 |
+} |
|
703 |
+ |
|
704 |
+/* Delete proc. */ |
|
705 |
+static void |
|
706 |
+delete_proc (JSBuiltinInfo *builtin_info, void *instance_context) |
|
707 |
+{ |
|
708 |
+ DateInstanceCtx *ictx = instance_context; |
|
709 |
+ |
|
710 |
+ if (ictx) |
|
711 |
+ js_free (ictx); |
|
712 |
+} |
|
713 |
+ |
|
714 |
+ |
|
715 |
+/* |
|
716 |
+ * Global functions. |
|
717 |
+ */ |
|
718 |
+ |
|
719 |
+static struct |
|
720 |
+{ |
|
721 |
+ char *name; |
|
722 |
+ JSBuiltinGlobalMethod method; |
|
723 |
+} global_methods[] = |
|
724 |
+{ |
|
725 |
+ {"MakeTime", MakeTime_global_method}, |
|
726 |
+ {"MakeDay", MakeDay_global_method}, |
|
727 |
+ {"MakeDate", MakeDate_global_method}, |
|
728 |
+ {"TimeClip", TimeClip_global_method}, |
|
729 |
+ |
|
730 |
+ {NULL, NULL}, |
|
731 |
+}; |
|
732 |
+ |
|
733 |
+void |
|
734 |
+js_builtin_Date (JSVirtualMachine *vm) |
|
735 |
+{ |
|
736 |
+ JSBuiltinInfo *info; |
|
737 |
+ DateCtx *ctx; |
|
738 |
+ JSNode *n; |
|
739 |
+ int i; |
|
740 |
+ |
|
741 |
+ ctx = js_calloc (vm, 1, sizeof (*ctx)); |
|
742 |
+ |
|
743 |
+ ctx->s_format = js_vm_intern (vm, "format"); |
|
744 |
+ ctx->s_formatGMT = js_vm_intern (vm, "formatGMT"); |
|
745 |
+ ctx->s_getDate = js_vm_intern (vm, "getDate"); |
|
746 |
+ ctx->s_getDay = js_vm_intern (vm, "getDay"); |
|
747 |
+ ctx->s_getHours = js_vm_intern (vm, "getHours"); |
|
748 |
+ ctx->s_getMinutes = js_vm_intern (vm, "getMinutes"); |
|
749 |
+ ctx->s_getMonth = js_vm_intern (vm, "getMonth"); |
|
750 |
+ ctx->s_getSeconds = js_vm_intern (vm, "getSeconds"); |
|
751 |
+ ctx->s_getTime = js_vm_intern (vm, "getTime"); |
|
752 |
+ ctx->s_getTimezoneOffset = js_vm_intern (vm, "getTimezoneOffset"); |
|
753 |
+ ctx->s_getYear = js_vm_intern (vm, "getYear"); |
|
754 |
+ ctx->s_parse = js_vm_intern (vm, "parse"); |
|
755 |
+ ctx->s_setDate = js_vm_intern (vm, "setDate"); |
|
756 |
+ ctx->s_setHours = js_vm_intern (vm, "setHours"); |
|
757 |
+ ctx->s_setMinutes = js_vm_intern (vm, "setMinutes"); |
|
758 |
+ ctx->s_setMonth = js_vm_intern (vm, "setMonth"); |
|
759 |
+ ctx->s_setSeconds = js_vm_intern (vm, "setSeconds"); |
|
760 |
+ ctx->s_setTime = js_vm_intern (vm, "setTime"); |
|
761 |
+ ctx->s_setYear = js_vm_intern (vm, "setYear"); |
|
762 |
+ ctx->s_toGMTString = js_vm_intern (vm, "toGMTString"); |
|
763 |
+ ctx->s_toLocaleString = js_vm_intern (vm, "toLocaleString"); |
|
764 |
+ ctx->s_UTC = js_vm_intern (vm, "UTC"); |
|
765 |
+ |
|
766 |
+ /* Object information. */ |
|
767 |
+ |
|
768 |
+ info = js_vm_builtin_info_create (vm); |
|
769 |
+ |
|
770 |
+ info->method_proc = method; |
|
771 |
+ info->global_method_proc = global_method; |
|
772 |
+ info->property_proc = property; |
|
773 |
+ info->new_proc = new_proc; |
|
774 |
+ info->delete_proc = delete_proc; |
|
775 |
+ info->obj_context = ctx; |
|
776 |
+ info->obj_context_delete = js_free; |
|
777 |
+ |
|
778 |
+ /* Define it. */ |
|
779 |
+ n = &vm->globals[js_vm_intern (vm, "Date")]; |
|
780 |
+ js_vm_builtin_create (vm, n, info, NULL); |
|
781 |
+ |
|
782 |
+ /* Global methods. */ |
|
783 |
+ |
|
784 |
+ for (i = 0; global_methods[i].name; i++) |
|
785 |
+ { |
|
786 |
+ info = js_vm_builtin_info_create (vm); |
|
787 |
+ info->global_method_proc = global_methods[i].method; |
|
788 |
+ n = &vm->globals[js_vm_intern (vm, global_methods[i].name)]; |
|
789 |
+ js_vm_builtin_create (vm, n, info, NULL); |
|
790 |
+ } |
|
791 |
+} |
0 | 792 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,319 @@ |
0 |
+/* |
|
1 |
+ * The builtin Directory object. |
|
2 |
+ * Copyright (c) 1998-1999 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/b_dir.c,v $ |
|
26 |
+ * $Id: b_dir.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+#include "jsint.h" |
|
30 |
+ |
|
31 |
+/* |
|
32 |
+ * Types and definitions. |
|
33 |
+ */ |
|
34 |
+ |
|
35 |
+/* Class context. */ |
|
36 |
+struct dir_ctx_st |
|
37 |
+{ |
|
38 |
+ /* Methods. */ |
|
39 |
+ JSSymbol s_close; |
|
40 |
+ JSSymbol s_open; |
|
41 |
+ JSSymbol s_read; |
|
42 |
+ JSSymbol s_rewind; |
|
43 |
+ JSSymbol s_seek; |
|
44 |
+ JSSymbol s_tell; |
|
45 |
+}; |
|
46 |
+ |
|
47 |
+typedef struct dir_ctx_st DirCtx; |
|
48 |
+ |
|
49 |
+/* Instance context. */ |
|
50 |
+struct dir_instance_ctx_st |
|
51 |
+{ |
|
52 |
+ DIR *dir; |
|
53 |
+ char *path; |
|
54 |
+ |
|
55 |
+ /* The virtual machine handle is needed for the delete_proc. */ |
|
56 |
+ JSVirtualMachine *vm; |
|
57 |
+}; |
|
58 |
+ |
|
59 |
+typedef struct dir_instance_ctx_st DirInstanceCtx; |
|
60 |
+ |
|
61 |
+ |
|
62 |
+/* |
|
63 |
+ * Static functions. |
|
64 |
+ */ |
|
65 |
+ |
|
66 |
+/* Method proc. */ |
|
67 |
+static int |
|
68 |
+method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
69 |
+ void *instance_context, JSSymbol method, JSNode *result_return, |
|
70 |
+ JSNode *args) |
|
71 |
+{ |
|
72 |
+ DirCtx *ctx = builtin_info->obj_context; |
|
73 |
+ DirInstanceCtx *ictx = instance_context; |
|
74 |
+ |
|
75 |
+ /* Static methods. */ |
|
76 |
+ if (method == vm->syms.s_toString) |
|
77 |
+ { |
|
78 |
+ if (args->u.vinteger != 0) |
|
79 |
+ goto argument_error; |
|
80 |
+ |
|
81 |
+ if (ictx) |
|
82 |
+ js_vm_make_string (vm, result_return, ictx->path, strlen (ictx->path)); |
|
83 |
+ else |
|
84 |
+ js_vm_make_static_string (vm, result_return, "Directory", 9); |
|
85 |
+ } |
|
86 |
+ /* ********************************************************************** */ |
|
87 |
+ else if (ictx) |
|
88 |
+ { |
|
89 |
+ /* |
|
90 |
+ * Instance methods. |
|
91 |
+ */ |
|
92 |
+ if (method == ctx->s_close) |
|
93 |
+ { |
|
94 |
+ if (args->u.vinteger != 0) |
|
95 |
+ goto argument_error; |
|
96 |
+ |
|
97 |
+ if (ictx->dir) |
|
98 |
+ if (closedir (ictx->dir) >= 0) |
|
99 |
+ { |
|
100 |
+ ictx->dir = NULL; |
|
101 |
+ JS_VM_FREE_FD (vm); |
|
102 |
+ } |
|
103 |
+ |
|
104 |
+ result_return->type = JS_BOOLEAN; |
|
105 |
+ result_return->u.vboolean = ictx->dir == NULL; |
|
106 |
+ } |
|
107 |
+ /* ***************************************************************** */ |
|
108 |
+ else if (method == ctx->s_open) |
|
109 |
+ { |
|
110 |
+ if (args->u.vinteger != 0) |
|
111 |
+ goto argument_error; |
|
112 |
+ |
|
113 |
+ if (ictx->dir == NULL) |
|
114 |
+ { |
|
115 |
+ JS_VM_ALLOCATE_FD (vm, "Directory.open()"); |
|
116 |
+ ictx->dir = opendir (ictx->path); |
|
117 |
+ |
|
118 |
+ if (ictx->dir == NULL) |
|
119 |
+ /* Directory opening failed. */ |
|
120 |
+ JS_VM_FREE_FD (vm); |
|
121 |
+ } |
|
122 |
+ |
|
123 |
+ result_return->type = JS_BOOLEAN; |
|
124 |
+ result_return->u.vboolean = ictx->dir != NULL; |
|
125 |
+ } |
|
126 |
+ /* ***************************************************************** */ |
|
127 |
+ else if (method == ctx->s_read) |
|
128 |
+ { |
|
129 |
+ struct dirent *de; |
|
130 |
+ |
|
131 |
+ if (args->u.vinteger != 0) |
|
132 |
+ goto argument_error; |
|
133 |
+ if (ictx->dir == NULL) |
|
134 |
+ goto not_open; |
|
135 |
+ |
|
136 |
+ de = readdir (ictx->dir); |
|
137 |
+ if (de) |
|
138 |
+ js_vm_make_string (vm, result_return, de->d_name, |
|
139 |
+ strlen (de->d_name)); |
|
140 |
+ else |
|
141 |
+ { |
|
142 |
+ result_return->type = JS_BOOLEAN; |
|
143 |
+ result_return->u.vboolean = 0; |
|
144 |
+ } |
|
145 |
+ } |
|
146 |
+ /* ***************************************************************** */ |
|
147 |
+ else if (method == ctx->s_rewind) |
|
148 |
+ { |
|
149 |
+ if (args->u.vinteger != 0) |
|
150 |
+ goto argument_error; |
|
151 |
+ if (ictx->dir == NULL) |
|
152 |
+ goto not_open; |
|
153 |
+ |
|
154 |
+ rewinddir (ictx->dir); |
|
155 |
+ result_return->type = JS_UNDEFINED; |
|
156 |
+ } |
|
157 |
+ /* ***************************************************************** */ |
|
158 |
+ else if (method == ctx->s_seek) |
|
159 |
+ { |
|
160 |
+ if (args->u.vinteger != 1) |
|
161 |
+ goto argument_error; |
|
162 |
+ if (args[1].type != JS_INTEGER) |
|
163 |
+ goto argument_type_error; |
|
164 |
+ if (ictx->dir == NULL) |
|
165 |
+ goto not_open; |
|
166 |
+ |
|
167 |
+ seekdir (ictx->dir, args[1].u.vinteger); |
|
168 |
+ result_return->type = JS_UNDEFINED; |
|
169 |
+ } |
|
170 |
+ /* ***************************************************************** */ |
|
171 |
+ else if (method == ctx->s_tell) |
|
172 |
+ { |
|
173 |
+ if (args->u.vinteger != 0) |
|
174 |
+ goto argument_error; |
|
175 |
+ if (ictx->dir == NULL) |
|
176 |
+ goto not_open; |
|
177 |
+ |
|
178 |
+ result_return->u.vinteger = telldir (ictx->dir); |
|
179 |
+ if (result_return->u.vinteger < 0) |
|
180 |
+ { |
|
181 |
+ result_return->type = JS_BOOLEAN; |
|
182 |
+ result_return->u.vboolean = 0; |
|
183 |
+ } |
|
184 |
+ else |
|
185 |
+ result_return->type = JS_INTEGER; |
|
186 |
+ } |
|
187 |
+ /* ***************************************************************** */ |
|
188 |
+ else |
|
189 |
+ return JS_PROPERTY_UNKNOWN; |
|
190 |
+ } |
|
191 |
+ /* ********************************************************************** */ |
|
192 |
+ else |
|
193 |
+ return JS_PROPERTY_UNKNOWN; |
|
194 |
+ |
|
195 |
+ return JS_PROPERTY_FOUND; |
|
196 |
+ |
|
197 |
+ |
|
198 |
+ /* |
|
199 |
+ * Error handling. |
|
200 |
+ */ |
|
201 |
+ |
|
202 |
+ argument_error: |
|
203 |
+ sprintf (vm->error, "Directory.%s(): illegal amount of arguments", |
|
204 |
+ js_vm_symname (vm, method)); |
|
205 |
+ js_vm_error (vm); |
|
206 |
+ |
|
207 |
+ argument_type_error: |
|
208 |
+ sprintf (vm->error, "Directory.%s(): illegal argument", |
|
209 |
+ js_vm_symname (vm, method)); |
|
210 |
+ js_vm_error (vm); |
|
211 |
+ |
|
212 |
+ not_open: |
|
213 |
+ sprintf (vm->error, "Directory.%s(): directory is no opened", |
|
214 |
+ js_vm_symname (vm, method)); |
|
215 |
+ js_vm_error (vm); |
|
216 |
+ |
|
217 |
+ insecure_feature: |
|
218 |
+ sprintf (vm->error, "Directory.%s(): not allowed in secure mode", |
|
219 |
+ js_vm_symname (vm, method)); |
|
220 |
+ js_vm_error (vm); |
|
221 |
+ |
|
222 |
+ /* NOTREACHED */ |
|
223 |
+ return 0; |
|
224 |
+} |
|
225 |
+ |
|
226 |
+ |
|
227 |
+/* Property proc. */ |
|
228 |
+static int |
|
229 |
+property (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
230 |
+ void *instance_context, JSSymbol property, int set, JSNode *node) |
|
231 |
+{ |
|
232 |
+ /* We have no properties. */ |
|
233 |
+ |
|
234 |
+ if (!set) |
|
235 |
+ node->type = JS_UNDEFINED; |
|
236 |
+ |
|
237 |
+ return JS_PROPERTY_UNKNOWN; |
|
238 |
+} |
|
239 |
+ |
|
240 |
+/* New proc. */ |
|
241 |
+static void |
|
242 |
+new_proc (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, JSNode *args, |
|
243 |
+ JSNode *result_return) |
|
244 |
+{ |
|
245 |
+ DirInstanceCtx *instance; |
|
246 |
+ if (args->u.vinteger != 1) |
|
247 |
+ { |
|
248 |
+ sprintf (vm->error, "new Directory(): illegal amount of arguments"); |
|
249 |
+ js_vm_error (vm); |
|
250 |
+ } |
|
251 |
+ if (args[1].type != JS_STRING) |
|
252 |
+ { |
|
253 |
+ sprintf (vm->error, "new Directory(): illegal argument"); |
|
254 |
+ js_vm_error (vm); |
|
255 |
+ } |
|
256 |
+ |
|
257 |
+ instance = js_calloc (vm, 1, sizeof (*instance)); |
|
258 |
+ instance->path = js_string_to_c_string (vm, &args[1]); |
|
259 |
+ instance->vm = vm; |
|
260 |
+ |
|
261 |
+ js_vm_builtin_create (vm, result_return, builtin_info, instance); |
|
262 |
+} |
|
263 |
+ |
|
264 |
+/* Delete proc. */ |
|
265 |
+static void |
|
266 |
+delete_proc (JSBuiltinInfo *builtin_info, void *instance_context) |
|
267 |
+{ |
|
268 |
+ DirInstanceCtx *ictx = instance_context; |
|
269 |
+ |
|
270 |
+ if (ictx) |
|
271 |
+ { |
|
272 |
+ if (ictx->dir) |
|
273 |
+ { |
|
274 |
+ closedir (ictx->dir); |
|
275 |
+ JS_VM_FREE_FD (ictx->vm); |
|
276 |
+ } |
|
277 |
+ |
|
278 |
+ js_free (ictx->path); |
|
279 |
+ js_free (ictx); |
|
280 |
+ } |
|
281 |
+} |
|
282 |
+ |
|
283 |
+ |
|
284 |
+/* |
|
285 |
+ * Global functions. |
|
286 |
+ */ |
|
287 |
+ |
|
288 |
+void |
|
289 |
+js_builtin_Directory (JSVirtualMachine *vm) |
|
290 |
+{ |
|
291 |
+ JSNode *n; |
|
292 |
+ JSBuiltinInfo *info; |
|
293 |
+ DirCtx *ctx; |
|
294 |
+ |
|
295 |
+ ctx = js_calloc (vm, 1, sizeof (*ctx)); |
|
296 |
+ |
|
297 |
+ ctx->s_close = js_vm_intern (vm, "close"); |
|
298 |
+ ctx->s_open = js_vm_intern (vm, "open"); |
|
299 |
+ ctx->s_read = js_vm_intern (vm, "read"); |
|
300 |
+ ctx->s_rewind = js_vm_intern (vm, "rewind"); |
|
301 |
+ ctx->s_seek = js_vm_intern (vm, "seek"); |
|
302 |
+ ctx->s_tell = js_vm_intern (vm, "tell"); |
|
303 |
+ |
|
304 |
+ /* Object information. */ |
|
305 |
+ |
|
306 |
+ info = js_vm_builtin_info_create (vm); |
|
307 |
+ |
|
308 |
+ info->method_proc = method; |
|
309 |
+ info->property_proc = property; |
|
310 |
+ info->new_proc = new_proc; |
|
311 |
+ info->delete_proc = delete_proc; |
|
312 |
+ info->obj_context = ctx; |
|
313 |
+ info->obj_context_delete = js_free; |
|
314 |
+ |
|
315 |
+ /* Define it. */ |
|
316 |
+ n = &vm->globals[js_vm_intern (vm, "Directory")]; |
|
317 |
+ js_vm_builtin_create (vm, n, info, NULL); |
|
318 |
+} |
0 | 319 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,1012 @@ |
0 |
+/* |
|
1 |
+ * The builtin File object. |
|
2 |
+ * Copyright (c) 1998-1999 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/b_file.c,v $ |
|
26 |
+ * $Id: b_file.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+/* |
|
30 |
+ * Static methods. |
|
31 |
+ * |
|
32 |
+ * byteToString (BYTE) => string |
|
33 |
+ * + chmod (string, int) => boolean |
|
34 |
+ * + lstat (PATH) => array / boolean |
|
35 |
+ * + remove (PATH) => boolean |
|
36 |
+ * + rename (FROM, TO) => boolean |
|
37 |
+ * + stat (PATH) => array / boolean |
|
38 |
+ * stringToByte (STRING) => number |
|
39 |
+ * |
|
40 |
+ * Methods: |
|
41 |
+ * |
|
42 |
+ * open (MODE) => boolean |
|
43 |
+ * close () => boolean |
|
44 |
+ * setPosition (POSITION [, WHENCE]) => boolean |
|
45 |
+ * getPosition () => integer |
|
46 |
+ * eof () => boolean |
|
47 |
+ * read (SIZE) => string |
|
48 |
+ * readln () => string |
|
49 |
+ * readByte () => integer |
|
50 |
+ * write (STRING) => boolean |
|
51 |
+ * writeln (STRING) => boolean |
|
52 |
+ * writeByte (INTEGER) => boolean |
|
53 |
+ * + ungetByte (BYTE) => boolean |
|
54 |
+ * flush () => boolean |
|
55 |
+ * getLength () => integer |
|
56 |
+ * exists () => boolean |
|
57 |
+ * error () => integer |
|
58 |
+ * clearError () => true |
|
59 |
+ * |
|
60 |
+ * Properties: |
|
61 |
+ * |
|
62 |
+ * autoFlush boolean mutable |
|
63 |
+ * bufferSize integer mutable |
|
64 |
+ */ |
|
65 |
+ |
|
66 |
+#include "jsint.h" |
|
67 |
+ |
|
68 |
+#include <sys/stat.h> |
|
69 |
+ |
|
70 |
+/* |
|
71 |
+ * Types and definitions. |
|
72 |
+ */ |
|
73 |
+ |
|
74 |
+#define INSECURE() \ |
|
75 |
+ do { \ |
|
76 |
+ if (secure_mode) \ |
|
77 |
+ goto insecure_feature; \ |
|
78 |
+ } while (0) |
|
79 |
+ |
|
80 |
+/* Class context. */ |
|
81 |
+struct file_ctx_st |
|
82 |
+{ |
|
83 |
+ /* Static methods. */ |
|
84 |
+ JSSymbol s_byteToString; |
|
85 |
+ JSSymbol s_chmod; |
|
86 |
+ JSSymbol s_lstat; |
|
87 |
+ JSSymbol s_remove; |
|
88 |
+ JSSymbol s_rename; |
|
89 |
+ JSSymbol s_stat; |
|
90 |
+ JSSymbol s_stringToByte; |
|
91 |
+ |
|
92 |
+ /* Methods */ |
|
93 |
+ JSSymbol s_open; |
|
94 |
+ JSSymbol s_close; |
|
95 |
+ JSSymbol s_setPosition; |
|
96 |
+ JSSymbol s_getPosition; |
|
97 |
+ JSSymbol s_eof; |
|
98 |
+ JSSymbol s_read; |
|
99 |
+ JSSymbol s_readln; |
|
100 |
+ JSSymbol s_readByte; |
|
101 |
+ JSSymbol s_write; |
|
102 |
+ JSSymbol s_writeln; |
|
103 |
+ JSSymbol s_writeByte; |
|
104 |
+ JSSymbol s_ungetByte; |
|
105 |
+ JSSymbol s_flush; |
|
106 |
+ JSSymbol s_getLength; |
|
107 |
+ JSSymbol s_exists; |
|
108 |
+ JSSymbol s_error; |
|
109 |
+ JSSymbol s_clearError; |
|
110 |
+ |
|
111 |
+ /* Properties. */ |
|
112 |
+ JSSymbol s_autoFlush; |
|
113 |
+ JSSymbol s_bufferSize; |
|
114 |
+}; |
|
115 |
+ |
|
116 |
+typedef struct file_ctx_st FileCtx; |
|
117 |
+ |
|
118 |
+/* Instance context. */ |
|
119 |
+struct file_instance_ctx_st |
|
120 |
+{ |
|
121 |
+ /* Flags. */ |
|
122 |
+ unsigned int dont_close : 1; |
|
123 |
+ |
|
124 |
+ char *path; |
|
125 |
+ JSIOStream *stream; |
|
126 |
+ |
|
127 |
+ /* Needed for the delete_proc. */ |
|
128 |
+ JSVirtualMachine *vm; |
|
129 |
+}; |
|
130 |
+ |
|
131 |
+typedef struct file_instance_ctx_st FileInstanceCtx; |
|
132 |
+ |
|
133 |
+ |
|
134 |
+/* |
|
135 |
+ * Static functions. |
|
136 |
+ */ |
|
137 |
+ |
|
138 |
+/* Method proc. */ |
|
139 |
+static int |
|
140 |
+method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
141 |
+ void *instance_context, JSSymbol method, JSNode *result_return, |
|
142 |
+ JSNode *args) |
|
143 |
+{ |
|
144 |
+ FileCtx *ctx = builtin_info->obj_context; |
|
145 |
+ FileInstanceCtx *ictx = instance_context; |
|
146 |
+ char buf[256]; |
|
147 |
+ long int li = 0; |
|
148 |
+ int i = 0; |
|
149 |
+ char *cp; |
|
150 |
+ int secure_mode = vm->security & JS_VM_SECURE_FILE; |
|
151 |
+ |
|
152 |
+ /* The default result is false. */ |
|
153 |
+ result_return->type = JS_BOOLEAN; |
|
154 |
+ result_return->u.vboolean = 0; |
|
155 |
+ |
|
156 |
+ /* |
|
157 |
+ * Static methods. |
|
158 |
+ */ |
|
159 |
+ if (method == ctx->s_byteToString) |
|
160 |
+ { |
|
161 |
+ if (args->u.vinteger != 1) |
|
162 |
+ goto argument_error; |
|
163 |
+ |
|
164 |
+ i = -1; |
|
165 |
+ if (args[1].type == JS_INTEGER) |
|
166 |
+ { |
|
167 |
+ i = args[1].u.vinteger; |
|
168 |
+ if (i < 0 || i > 255) |
|
169 |
+ i = -1; |
|
170 |
+ } |
|
171 |
+ |
|
172 |
+ js_vm_make_string (vm, result_return, NULL, 1); |
|
173 |
+ |
|
174 |
+ if (i < 0) |
|
175 |
+ result_return->u.vstring->len = 0; |
|
176 |
+ else |
|
177 |
+ result_return->u.vstring->data[0] = i; |
|
178 |
+ } |
|
179 |
+ /* ********************************************************************** */ |
|
180 |
+ else if (method == ctx->s_chmod) |
|
181 |
+ { |
|
182 |
+ INSECURE (); |
|
183 |
+ |
|
184 |
+ if (args->u.vinteger != 2) |
|
185 |
+ goto argument_error; |
|
186 |
+ if (args[1].type != JS_STRING) |
|
187 |
+ goto argument_type_error; |
|
188 |
+ if (args[2].type != JS_INTEGER) |
|
189 |
+ goto argument_type_error; |
|
190 |
+ |
|
191 |
+ result_return->type= JS_BOOLEAN; |
|
192 |
+ |
|
193 |
+ cp = js_string_to_c_string (vm, &args[1]); |
|
194 |
+ result_return->u.vboolean = (chmod (cp, args[2].u.vinteger) == 0); |
|
195 |
+ js_free (cp); |
|
196 |
+ } |
|
197 |
+ /* ********************************************************************** */ |
|
198 |
+ else if (method == ctx->s_lstat || method == ctx->s_stat) |
|
199 |
+ { |
|
200 |
+ char *path; |
|
201 |
+ struct stat stat_st; |
|
202 |
+ int result; |
|
203 |
+ |
|
204 |
+ INSECURE (); |
|
205 |
+ |
|
206 |
+ if (args->u.vinteger != 1) |
|
207 |
+ goto argument_error; |
|
208 |
+ |
|
209 |
+ path = js_string_to_c_string (vm, &args[1]); |
|
210 |
+ |
|
211 |
+#if HAVE_LSTAT |
|
212 |
+ if (method == ctx->s_lstat) |
|
213 |
+ result = lstat (path, &stat_st); |
|
214 |
+ else |
|
215 |
+#endif /* HAVE_LSTAT */ |
|
216 |
+ result = stat (path, &stat_st); |
|
217 |
+ |
|
218 |
+ js_free (path); |
|
219 |
+ |
|
220 |
+ if (result >= 0) |
|
221 |
+ { |
|
222 |
+ JSNode *node; |
|
223 |
+ |
|
224 |
+ /* Success. */ |
|
225 |
+ js_vm_make_array (vm, result_return, 13); |
|
226 |
+ node = result_return->u.varray->data; |
|
227 |
+ |
|
228 |
+ /* dev */ |
|
229 |
+ node->type = JS_INTEGER; |
|
230 |
+ node->u.vinteger = stat_st.st_dev; |
|
231 |
+ node++; |
|
232 |
+ |
|
233 |
+ /* ino */ |
|
234 |
+ node->type = JS_INTEGER; |
|
235 |
+ node->u.vinteger = stat_st.st_ino; |
|
236 |
+ node++; |
|
237 |
+ |
|
238 |
+ /* mode */ |
|
239 |
+ node->type = JS_INTEGER; |
|
240 |
+ node->u.vinteger = stat_st.st_mode; |
|
241 |
+ node++; |
|
242 |
+ |
|
243 |
+ /* nlink */ |
|
244 |
+ node->type = JS_INTEGER; |
|
245 |
+ node->u.vinteger = stat_st.st_nlink; |
|
246 |
+ node++; |
|
247 |
+ |
|
248 |
+ /* uid */ |
|
249 |
+ node->type = JS_INTEGER; |
|
250 |
+ node->u.vinteger = stat_st.st_uid; |
|
251 |
+ node++; |
|
252 |
+ |
|
253 |
+ /* gid */ |
|
254 |
+ node->type = JS_INTEGER; |
|
255 |
+ node->u.vinteger = stat_st.st_gid; |
|
256 |
+ node++; |
|
257 |
+ |
|
258 |
+ /* rdev */ |
|
259 |
+ node->type = JS_INTEGER; |
|
260 |
+ node->u.vinteger = stat_st.st_rdev; |
|
261 |
+ node++; |
|
262 |
+ |
|
263 |
+ /* size */ |
|
264 |
+ node->type = JS_INTEGER; |
|
265 |
+ node->u.vinteger = stat_st.st_size; |
|
266 |
+ node++; |
|
267 |
+ |
|
268 |
+ /* atime */ |
|
269 |
+ node->type = JS_INTEGER; |
|
270 |
+ node->u.vinteger = stat_st.st_atime; |
|
271 |
+ node++; |
|
272 |
+ |
|
273 |
+ /* mtime */ |
|
274 |
+ node->type = JS_INTEGER; |
|
275 |
+ node->u.vinteger = stat_st.st_mtime; |
|
276 |
+ node++; |
|
277 |
+ |
|
278 |
+ /* ctime */ |
|
279 |
+ node->type = JS_INTEGER; |
|
280 |
+ node->u.vinteger = stat_st.st_ctime; |
|
281 |
+ node++; |
|
282 |
+ |
|
283 |
+ /* blksize */ |
|
284 |
+ node->type = JS_INTEGER; |
|
285 |
+#if HAVE_STAT_ST_ST_BLKSIZE |
|
286 |
+ node->u.vinteger = stat_st.st_blksize; |
|
287 |
+#else /* not HAVE_STAT_ST_ST_BLKSIZE */ |
|
288 |
+ node->u.vinteger = 0; |
|
289 |
+#endif /* not HAVE_STAT_ST_ST_BLKSIZE */ |
|
290 |
+ node++; |
|
291 |
+ |
|
292 |
+ /* blocks */ |
|
293 |
+ node->type = JS_INTEGER; |
|
294 |
+#if HAVE_STAT_ST_ST_BLOCKS |
|
295 |
+ node->u.vinteger = stat_st.st_blocks; |
|
296 |
+#else /* not HAVE_STAT_ST_ST_BLOCKS */ |
|
297 |
+ node->u.vinteger = 0; |
|
298 |
+#endif /* not HAVE_STAT_ST_ST_BLOCKS */ |
|
299 |
+ } |
|
300 |
+ } |
|
301 |
+ /* ********************************************************************** */ |
|
302 |
+ else if (method == ctx->s_remove) |
|
303 |
+ { |
|
304 |
+ char *path; |
|
305 |
+ |
|
306 |
+ INSECURE (); |
|
307 |
+ |
|
308 |
+ if (args->u.vinteger != 1) |
|
309 |
+ goto argument_error; |
|
310 |
+ |
|
311 |
+ if (args[1].type != JS_STRING) |
|
312 |
+ goto argument_type_error; |
|
313 |
+ |
|
314 |
+ path = js_string_to_c_string (vm, &args[1]); |
|
315 |
+ i = remove (path); |
|
316 |
+ js_free (path); |
|
317 |
+ |
|
318 |
+ result_return->u.vboolean = (i == 0); |
|
319 |
+ } |
|
320 |
+ /* ********************************************************************** */ |
|
321 |
+ else if (method == ctx->s_rename) |
|
322 |
+ { |
|
323 |
+ char *path1; |
|
324 |
+ char *path2; |
|
325 |
+ |
|
326 |
+ INSECURE (); |
|
327 |
+ |
|
328 |
+ if (args->u.vinteger != 2) |
|
329 |
+ goto argument_error; |
|
330 |
+ |
|
331 |
+ if (args[1].type != JS_STRING || args[2].type != JS_STRING) |
|
332 |
+ goto argument_type_error; |
|
333 |
+ |
|
334 |
+ path1 = js_string_to_c_string (vm, &args[1]); |
|
335 |
+ path2 = js_string_to_c_string (vm, &args[2]); |
|
336 |
+ |
|
337 |
+ i = rename (path1, path2); |
|
338 |
+ |
|
339 |
+ js_free (path1); |
|
340 |
+ js_free (path2); |
|
341 |
+ |
|
342 |
+ result_return->u.vboolean = (i == 0); |
|
343 |
+ } |
|
344 |
+ /* ********************************************************************** */ |
|
345 |
+ else if (method == ctx->s_stringToByte) |
|
346 |
+ { |
|
347 |
+ if (args->u.vinteger != 1) |
|
348 |
+ goto argument_error; |
|
349 |
+ |
|
350 |
+ result_return->type = JS_INTEGER; |
|
351 |
+ |
|
352 |
+ if (args[1].type == JS_STRING && args[1].u.vstring->len > 0) |
|
353 |
+ result_return->u.vinteger = args[i].u.vstring->data[0]; |
|
354 |
+ else |
|
355 |
+ result_return->u.vinteger = 0; |
|
356 |
+ } |
|
357 |
+ /* ********************************************************************** */ |
|
358 |
+ else if (method == vm->syms.s_toString) |
|
359 |
+ { |
|
360 |
+ if (args->u.vinteger != 0) |
|
361 |
+ goto argument_error; |
|
362 |
+ |
|
363 |
+ if (ictx) |
|
364 |
+ js_vm_make_string (vm, result_return, ictx->path, strlen (ictx->path)); |
|
365 |
+ else |
|
366 |
+ js_vm_make_static_string (vm, result_return, "File", 4); |
|
367 |
+ } |
|
368 |
+ /* ********************************************************************** */ |
|
369 |
+ else if (ictx) |
|
370 |
+ { |
|
371 |
+ /* |
|
372 |
+ * Instance methods. |
|
373 |
+ */ |
|
374 |
+ |
|
375 |
+ if (method == ctx->s_open) |
|
376 |
+ { |
|
377 |
+ int readp = 0; |
|
378 |
+ int writep = 0; |
|
379 |
+ |
|
380 |
+ INSECURE (); |
|
381 |
+ |
|
382 |
+ if (args->u.vinteger != 1) |
|
383 |
+ goto argument_error; |
|
384 |
+ if (args[1].type != JS_STRING |
|
385 |
+ || args[1].u.vstring->len == 0 |
|
386 |
+ || args[1].u.vstring->len > 3) |
|
387 |
+ goto argument_type_error; |
|
388 |
+ |
|
389 |
+ i = args[1].u.vstring->len; |
|
390 |
+ memcpy (buf, args[1].u.vstring->data, i); |
|
391 |
+ |
|
392 |
+ if (buf[i - 1] != 'b') |
|
393 |
+ buf[i++] = 'b'; |
|
394 |
+ buf[i] = '\0'; |
|
395 |
+ |
|
396 |
+ /* Check that the mode is valid. */ |
|
397 |
+ if (strcmp (buf, "rb") == 0) |
|
398 |
+ readp = 1; |
|
399 |
+ else if (strcmp (buf, "wb") == 0) |
|
400 |
+ writep = 1; |
|
401 |
+ else if (strcmp (buf, "ab") == 0) |
|
402 |
+ writep = 1; |
|
403 |
+ else if (strcmp (buf, "r+b") == 0) |
|
404 |
+ readp = writep = 1; |
|
405 |
+ else if (strcmp (buf, "w+b") == 0) |
|
406 |
+ readp = writep = 1; |
|
407 |
+ else if (strcmp (buf, "a+b") == 0) |
|
408 |
+ readp = writep = 1; |
|
409 |
+ else |
|
410 |
+ { |
|
411 |
+ sprintf (vm->error, "File.%s(): illegal open mode \"%s\"", |
|
412 |
+ js_vm_symname (vm, method), buf); |
|
413 |
+ js_vm_error (vm); |
|
414 |
+ } |
|
415 |
+ |
|
416 |
+ if (ictx->stream == NULL) |
|
417 |
+ { |
|
418 |
+ /* Do open. */ |
|
419 |
+ JS_VM_ALLOCATE_FD (vm, "File.open()"); |
|
420 |
+ ictx->stream = js_iostream_file (fopen (ictx->path, buf), readp, |
|
421 |
+ writep, 1); |
|
422 |
+ if (ictx->stream == NULL) |
|
423 |
+ JS_VM_FREE_FD (vm); |
|
424 |
+ else |
|
425 |
+ result_return->u.vboolean = 1; |
|
426 |
+ } |
|
427 |
+ } |
|
428 |
+ /* ***************************************************************** */ |
|
429 |
+ else if (method == ctx->s_close) |
|
430 |
+ { |
|
431 |
+ if (ictx->stream != NULL) |
|
432 |
+ { |
|
433 |
+ int result = 0; |
|
434 |
+ |
|
435 |
+ if (!ictx->dont_close) |
|
436 |
+ { |
|
437 |
+ result = js_iostream_close (ictx->stream); |
|
438 |
+ JS_VM_FREE_FD (vm); |
|
439 |
+ } |
|
440 |
+ |
|
441 |
+ ictx->stream = NULL; |
|
442 |
+ result_return->u.vboolean = result >= 0; |
|
443 |
+ } |
|
444 |
+ } |
|
445 |
+ /* ***************************************************************** */ |
|
446 |
+ else if (method == ctx->s_setPosition) |
|
447 |
+ { |
|
448 |
+ if (args->u.vinteger == 1) |
|
449 |
+ { |
|
450 |
+ if (args[1].type != JS_INTEGER) |
|
451 |
+ goto argument_type_error; |
|
452 |
+ li = args[1].u.vinteger; |
|
453 |
+ i = SEEK_SET; |
|
454 |
+ } |
|
455 |
+ else if (args->u.vinteger == 2) |
|
456 |
+ { |
|
457 |
+ if (args[2].type == JS_INTEGER) |
|
458 |
+ { |
|
459 |
+ switch (args[2].u.vinteger) |
|
460 |
+ { |
|
461 |
+ case 1: |
|
462 |
+ i = SEEK_CUR; |
|
463 |
+ break; |
|
464 |
+ |
|
465 |
+ case 2: |
|
466 |
+ i = SEEK_END; |
|
467 |
+ break; |
|
468 |
+ |
|
469 |
+ default: |
|
470 |
+ i = SEEK_SET; |
|
471 |
+ break; |
|
472 |
+ } |
|
473 |
+ } |
|
474 |
+ else |
|
475 |
+ i = SEEK_SET; |
|
476 |
+ } |
|
477 |
+ else |
|
478 |
+ goto argument_error; |
|
479 |
+ |
|
480 |
+ if (ictx->stream && js_iostream_seek (ictx->stream, li, i) >= 0) |
|
481 |
+ result_return->u.vboolean = 1; |
|
482 |
+ } |
|
483 |
+ /* ***************************************************************** */ |
|
484 |
+ else if (method == ctx->s_getPosition) |
|
485 |
+ { |
|
486 |
+ if (args->u.vinteger != 0) |
|
487 |
+ goto argument_error; |
|
488 |
+ |
|
489 |
+ result_return->type = JS_INTEGER; |
|
490 |
+ if (ictx->stream == NULL) |
|
491 |
+ result_return->u.vinteger = -1; |
|
492 |
+ else |
|
493 |
+ result_return->u.vinteger |
|
494 |
+ = js_iostream_get_position (ictx->stream); |
|
495 |
+ } |
|
496 |
+ /* ***************************************************************** */ |
|
497 |
+ else if (method == ctx->s_eof) |
|
498 |
+ { |
|
499 |
+ if (args->u.vinteger != 0) |
|
500 |
+ goto argument_error; |
|
501 |
+ |
|
502 |
+ if (ictx->stream != NULL) |
|
503 |
+ result_return->u.vboolean = ictx->stream->at_eof; |
|
504 |
+ } |
|
505 |
+ /* ***************************************************************** */ |
|
506 |
+ else if (method == ctx->s_read) |
|
507 |
+ { |
|
508 |
+ size_t got; |
|
509 |
+ char *buffer; |
|
510 |
+ |
|
511 |
+ if (args->u.vinteger != 1) |
|
512 |
+ goto argument_error; |
|
513 |
+ if (args[1].type != JS_INTEGER || args[1].u.vinteger < 0) |
|
514 |
+ goto argument_type_error; |
|
515 |
+ |
|
516 |
+ if (ictx->stream != NULL) |
|
517 |
+ { |
|
518 |
+ buffer = js_vm_alloc (vm, args[1].u.vinteger + 1); |
|
519 |
+ |
|
520 |
+ got = js_iostream_read (ictx->stream, buffer, |
|
521 |
+ args[1].u.vinteger); |
|
522 |
+ if (got < 0) |
|
523 |
+ got = 0; |
|
524 |
+ |
|
525 |
+ js_vm_make_static_string (vm, result_return, buffer, got); |
|
526 |
+ result_return->u.vstring->staticp = 0; |
|
527 |
+ } |
|
528 |
+ } |
|
529 |
+ /* ***************************************************************** */ |
|
530 |
+ else if (method == ctx->s_readln) |
|
531 |
+ { |
|
532 |
+ int ch; |
|
533 |
+ unsigned int bufpos = 0; |
|
534 |
+ unsigned int buflen = 0; |
|
535 |
+ char *buffer = NULL; |
|
536 |
+ |
|
537 |
+ if (args->u.vinteger != 0) |
|
538 |
+ goto argument_error; |
|
539 |
+ |
|
540 |
+ if (ictx->stream != NULL) |
|
541 |
+ { |
|
542 |
+ /* Flush all buffered output data. */ |
|
543 |
+ js_iostream_flush (ictx->stream); |
|
544 |
+ |
|
545 |
+ while (1) |
|
546 |
+ { |
|
547 |
+ /* Process all the data we have in the buffer. */ |
|
548 |
+ for (; ictx->stream->bufpos < ictx->stream->data_in_buf |
|
549 |
+ && (ictx->stream->buffer[ictx->stream->bufpos] |
|
550 |
+ != '\n'); |
|
551 |
+ ictx->stream->bufpos++) |
|
552 |
+ { |
|
553 |
+ if (bufpos >= buflen) |
|
554 |
+ { |
|
555 |
+ buflen += 1024; |
|
556 |
+ buffer = js_vm_realloc (vm, buffer, buflen); |
|
557 |
+ } |
|
558 |
+ buffer[bufpos++] |
|
559 |
+ = ictx->stream->buffer[ictx->stream->bufpos]; |
|
560 |
+ } |
|
561 |
+ |
|
562 |
+ if (ictx->stream->bufpos >= ictx->stream->data_in_buf) |
|
563 |
+ { |
|
564 |
+ int result; |
|
565 |
+ |
|
566 |
+ /* Read past the buffer. */ |
|
567 |
+ if (ictx->stream->at_eof) |
|
568 |
+ /* EOF seen. */ |
|
569 |
+ break; |
|
570 |
+ |
|
571 |
+ /* Read more data. */ |
|
572 |
+ js_iostream_fill_buffer (ictx->stream); |
|
573 |
+ } |
|
574 |
+ else |
|
575 |
+ { |
|
576 |
+ /* Got it. Skip the newline character. */ |
|
577 |
+ ictx->stream->bufpos++; |
|
578 |
+ break; |
|
579 |
+ } |
|
580 |
+ } |
|
581 |
+ |
|
582 |
+ /* Remove '\r' characters. */ |
|
583 |
+ while (bufpos > 0) |
|
584 |
+ if (buffer[bufpos - 1] == '\r') |
|
585 |
+ bufpos--; |
|
586 |
+ else |
|
587 |
+ break; |
|
588 |
+ |
|
589 |
+ if (buffer == NULL) |
|
590 |
+ /* An empty string. Allocate one byte. */ |
|
591 |
+ buffer = js_vm_alloc (vm, 1); |
|
592 |
+ |
|
593 |
+ /* |
|
594 |
+ * Use the data we already had. In maximum, it has only |
|
595 |
+ * 1023 bytes overhead. |
|
596 |
+ */ |
|
597 |
+ js_vm_make_static_string (vm, result_return, buffer, bufpos); |
|
598 |
+ result_return->u.vstring->staticp = 0; |
|
599 |
+ } |
|
600 |
+ } |
|
601 |
+ /* ***************************************************************** */ |
|
602 |
+ else if (method == ctx->s_readByte) |
|
603 |
+ { |
|
604 |
+ result_return->type = JS_INTEGER; |
|
605 |
+ if (ictx->stream == NULL) |
|
606 |
+ result_return->u.vinteger = -1; |
|
607 |
+ else |
|
608 |
+ { |
|
609 |
+ retry: |
|
610 |
+ if (ictx->stream->bufpos < ictx->stream->data_in_buf) |
|
611 |
+ result_return->u.vinteger |
|
612 |
+ = ictx->stream->buffer[ictx->stream->bufpos++]; |
|
613 |
+ else |
|
614 |
+ { |
|
615 |
+ if (ictx->stream->at_eof) |
|
616 |
+ result_return->u.vinteger = -1; |
|
617 |
+ else |
|
618 |
+ { |
|
619 |
+ js_iostream_fill_buffer (ictx->stream); |
|
620 |
+ goto retry; |
|
621 |
+ } |
|
622 |
+ } |
|
623 |
+ } |
|
624 |
+ } |
|
625 |
+ /* ***************************************************************** */ |
|
626 |
+ else if (method == ctx->s_write || method == ctx->s_writeln) |
|
627 |
+ { |
|
628 |
+ size_t wrote; |
|
629 |
+ int autoflush; |
|
630 |
+ |
|
631 |
+ if (args->u.vinteger != 1) |
|
632 |
+ goto argument_error; |
|
633 |
+ if (args[1].type != JS_STRING) |
|
634 |
+ goto argument_type_error; |
|
635 |
+ |
|
636 |
+ if (ictx->stream != NULL) |
|
637 |
+ { |
|
638 |
+ autoflush = ictx->stream->autoflush; |
|
639 |
+ ictx->stream->autoflush = 0; |
|
640 |
+ |
|
641 |
+ wrote = js_iostream_write (ictx->stream, |
|
642 |
+ args[1].u.vstring->data, |
|
643 |
+ args[1].u.vstring->len); |
|
644 |
+ if (wrote == args[1].u.vstring->len) |
|
645 |
+ { |
|
646 |
+ /* Success. */ |
|
647 |
+ result_return->u.vboolean = 1; |
|
648 |
+ |
|
649 |
+ if (method == ctx->s_writeln) |
|
650 |
+ if (js_iostream_write (ictx->stream, |
|
651 |
+ JS_HOST_LINE_BREAK, |
|
652 |
+ JS_HOST_LINE_BREAK_LEN) < 0) |
|
653 |
+ /* No, it was not a success. */ |
|
654 |
+ result_return->u.vboolean = 0; |
|
655 |
+ } |
|
656 |
+ |
|
657 |
+ ictx->stream->autoflush = autoflush; |
|
658 |
+ if (autoflush) |
|
659 |
+ js_iostream_flush (ictx->stream); |
|
660 |
+ } |
|
661 |
+ } |
|
662 |
+ /* ***************************************************************** */ |
|
663 |
+ else if (method == ctx->s_writeByte) |
|
664 |
+ { |
|
665 |
+ unsigned char buf[1]; |
|
666 |
+ |
|
667 |
+ if (args->u.vinteger != 1) |
|
668 |
+ goto argument_error; |
|
669 |
+ if (args[1].type != JS_INTEGER) |
|
670 |
+ goto argument_type_error; |
|
671 |
+ |
|
672 |
+ buf[0] = args[1].u.vinteger; |
|
673 |
+ |
|
674 |
+ if (ictx->stream != NULL) |
|
675 |
+ result_return->u.vboolean |
|
676 |
+ = js_iostream_write (ictx->stream, buf, 1) >= 0; |
|
677 |
+ } |
|
678 |
+ /* ***************************************************************** */ |
|
679 |
+ else if (method == ctx->s_ungetByte) |
|
680 |
+ { |
|
681 |
+ if (args->u.vinteger != 1) |
|
682 |
+ goto argument_error; |
|
683 |
+ if (args[1].type != JS_INTEGER) |
|
684 |
+ goto argument_type_error; |
|
685 |
+ |
|
686 |
+ if (ictx->stream != NULL) |
|
687 |
+ result_return->u.vboolean |
|
688 |
+ = js_iostream_unget (ictx->stream, args[1].u.vinteger); |
|
689 |
+ } |
|
690 |
+ /* ***************************************************************** */ |
|
691 |
+ else if (method == ctx->s_flush) |
|
692 |
+ { |
|
693 |
+ if (args->u.vinteger != 0) |
|
694 |
+ goto argument_error; |
|
695 |
+ |
|
696 |
+ if (ictx->stream != NULL && js_iostream_flush (ictx->stream) >= 0) |
|
697 |
+ result_return->u.vboolean = 1; |
|
698 |
+ } |
|
699 |
+ /* ***************************************************************** */ |
|
700 |
+ else if (method == ctx->s_getLength) |
|
701 |
+ { |
|
702 |
+ if (args->u.vinteger != 0) |
|
703 |
+ goto argument_error; |
|
704 |
+ |
|
705 |
+ /* The default error code is an integer -1. */ |
|
706 |
+ result_return->type = JS_INTEGER; |
|
707 |
+ result_return->u.vinteger = -1; |
|
708 |
+ |
|
709 |
+ if (ictx->stream != NULL) |
|
710 |
+ result_return->u.vinteger |
|
711 |
+ = js_iostream_get_length (ictx->stream); |
|
712 |
+ } |
|
713 |
+ /* ***************************************************************** */ |
|
714 |
+ else if (method == ctx->s_exists) |
|
715 |
+ { |
|
716 |
+ if (args->u.vinteger != 0) |
|
717 |
+ goto argument_error; |
|
718 |
+ |
|
719 |
+ if (ictx->stream) |
|
720 |
+ { |
|
721 |
+ /* Since we have opened the file, it must exist. */ |
|
722 |
+ result_return->u.vboolean = 1; |
|
723 |
+ } |
|
724 |
+ else |
|
725 |
+ { |
|
726 |
+ struct stat stat_st; |
|
727 |
+ |
|
728 |
+ if (stat (ictx->path, &stat_st) >= 0) |
|
729 |
+ result_return->u.vboolean = 1; |
|
730 |
+ } |
|
731 |
+ } |
|
732 |
+ /* ***************************************************************** */ |
|
733 |
+ else if (method == ctx->s_error) |
|
734 |
+ { |
|
735 |
+ if (args->u.vinteger != 0) |
|
736 |
+ goto argument_error; |
|
737 |
+ |
|
738 |
+ result_return->type = JS_INTEGER; |
|
739 |
+ if (ictx->stream == NULL) |
|
740 |
+ result_return->u.vinteger = -1; |
|
741 |
+ else |
|
742 |
+ result_return->u.vinteger = ictx->stream->error; |
|
743 |
+ } |
|
744 |
+ /* ***************************************************************** */ |
|
745 |
+ else if (method == ctx->s_clearError) |
|
746 |
+ { |
|
747 |
+ if (args->u.vinteger != 0) |
|
748 |
+ goto argument_error; |
|
749 |
+ |
|
750 |
+ if (ictx->stream != NULL) |
|
751 |
+ { |
|
752 |
+ ictx->stream->error = 0; |
|
753 |
+ result_return->u.vboolean = 1; |
|
754 |
+ } |
|
755 |
+ } |
|
756 |
+ /* ***************************************************************** */ |
|
757 |
+ else |
|
758 |
+ return JS_PROPERTY_UNKNOWN; |
|
759 |
+ } |
|
760 |
+ else |
|
761 |
+ return JS_PROPERTY_UNKNOWN; |
|
762 |
+ |
|
763 |
+ return JS_PROPERTY_FOUND; |
|
764 |
+ |
|
765 |
+ |
|
766 |
+ /* |
|
767 |
+ * Error handling. |
|
768 |
+ */ |
|
769 |
+ |
|
770 |
+ argument_error: |
|
771 |
+ sprintf (vm->error, "File.%s(): illegal amount of arguments", |
|
772 |
+ js_vm_symname (vm, method)); |
|
773 |
+ js_vm_error (vm); |
|
774 |
+ |
|
775 |
+ argument_type_error: |
|
776 |
+ sprintf (vm->error, "File.%s(): illegal argument", |
|
777 |
+ js_vm_symname (vm, method)); |
|
778 |
+ js_vm_error (vm); |
|
779 |
+ |
|
780 |
+ insecure_feature: |
|
781 |
+ sprintf (vm->error, "File.%s(): not allowed in secure mode", |
|
782 |
+ js_vm_symname (vm, method)); |
|
783 |
+ js_vm_error (vm); |
|
784 |
+ |
|
785 |
+ /* NOTREACHED */ |
|
786 |
+ return 0; |
|
787 |
+} |
|
788 |
+ |
|
789 |
+/* Property proc. */ |
|
790 |
+static int |
|
791 |
+property (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
792 |
+ void *instance_context, JSSymbol property, int set, JSNode *node) |
|
793 |
+{ |
|
794 |
+ FileCtx *ctx = builtin_info->obj_context; |
|
795 |
+ FileInstanceCtx *ictx = instance_context; |
|
796 |
+ |
|
797 |
+ if (ictx) |
|
798 |
+ { |
|
799 |
+ /* Instance properties. */ |
|
800 |
+ if (property == ctx->s_autoFlush) |
|
801 |
+ { |
|
802 |
+ if (ictx->stream == NULL) |
|
803 |
+ goto not_open; |
|
804 |
+ |
|
805 |
+ if (set) |
|
806 |
+ { |
|
807 |
+ if (node->type != JS_BOOLEAN) |
|
808 |
+ goto argument_type_error; |
|
809 |
+ |
|
810 |
+ ictx->stream->autoflush = node->u.vboolean; |
|
811 |
+ } |
|
812 |
+ else |
|
813 |
+ { |
|
814 |
+ node->type = JS_BOOLEAN; |
|
815 |
+ node->u.vboolean = ictx->stream->autoflush; |
|
816 |
+ } |
|
817 |
+ } |
|
818 |
+ /* ***************************************************************** */ |
|
819 |
+ else if (property == ctx->s_bufferSize) |
|
820 |
+ { |
|
821 |
+ if (ictx->stream == NULL) |
|
822 |
+ goto not_open; |
|
823 |
+ |
|
824 |
+ if (set) |
|
825 |
+ { |
|
826 |
+ unsigned char *buf; |
|
827 |
+ unsigned int len; |
|
828 |
+ |
|
829 |
+ if (node->type != JS_INTEGER) |
|
830 |
+ goto argument_type_error; |
|
831 |
+ |
|
832 |
+ js_iostream_flush (ictx->stream); |
|
833 |
+ |
|
834 |
+ len = node->u.vinteger; |
|
835 |
+ buf = js_realloc (vm, ictx->stream->buffer, len); |
|
836 |
+ |
|
837 |
+ ictx->stream->buflen = len; |
|
838 |
+ ictx->stream->buffer = buf; |
|
839 |
+ } |
|
840 |
+ else |
|
841 |
+ { |
|
842 |
+ node->type = JS_INTEGER; |
|
843 |
+ node->u.vinteger = ictx->stream->buflen; |
|
844 |
+ } |
|
845 |
+ } |
|
846 |
+ /* ***************************************************************** */ |
|
847 |
+ else |
|
848 |
+ { |
|
849 |
+ if (!set) |
|
850 |
+ node->type = JS_UNDEFINED; |
|
851 |
+ |
|
852 |
+ return JS_PROPERTY_UNKNOWN; |
|
853 |
+ } |
|
854 |
+ } |
|
855 |
+ else |
|
856 |
+ { |
|
857 |
+ if (!set) |
|
858 |
+ node->type = JS_UNDEFINED; |
|
859 |
+ |
|
860 |
+ return JS_PROPERTY_UNKNOWN; |
|
861 |
+ } |
|
862 |
+ |
|
863 |
+ return JS_PROPERTY_FOUND; |
|
864 |
+ |
|
865 |
+ |
|
866 |
+ /* Error handling. */ |
|
867 |
+ |
|
868 |
+ argument_type_error: |
|
869 |
+ sprintf (vm->error, "File.%s: illegal value", |
|
870 |
+ js_vm_symname (vm, property)); |
|
871 |
+ js_vm_error (vm); |
|
872 |
+ |
|
873 |
+ not_open: |
|
874 |
+ sprintf (vm->error, "File.%s: the stream is not opened", |
|
875 |
+ js_vm_symname (vm, property)); |
|
876 |
+ js_vm_error (vm); |
|
877 |
+ |
|
878 |
+ /* NOTREACHED */ |
|
879 |
+ return 0; |
|
880 |
+} |
|
881 |
+ |
|
882 |
+ |
|
883 |
+/* New proc. */ |
|
884 |
+static void |
|
885 |
+new_proc (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, JSNode *args, |
|
886 |
+ JSNode *result_return) |
|
887 |
+{ |
|
888 |
+ FileInstanceCtx *instance; |
|
889 |
+ |
|
890 |
+ if (args->u.vinteger != 1) |
|
891 |
+ { |
|
892 |
+ sprintf (vm->error, "new File(): illegal amount of arguments"); |
|
893 |
+ js_vm_error (vm); |
|
894 |
+ } |
|
895 |
+ if (args[1].type != JS_STRING) |
|
896 |
+ { |
|
897 |
+ sprintf (vm->error, "new File(): illegal argument"); |
|
898 |
+ js_vm_error (vm); |
|
899 |
+ } |
|
900 |
+ |
|
901 |
+ instance = js_calloc (vm, 1, sizeof (*instance)); |
|
902 |
+ instance->path = js_string_to_c_string (vm, &args[1]); |
|
903 |
+ instance->vm = vm; |
|
904 |
+ |
|
905 |
+ js_vm_builtin_create (vm, result_return, builtin_info, instance); |
|
906 |
+} |
|
907 |
+ |
|
908 |
+/* Delete proc. */ |
|
909 |
+static void |
|
910 |
+delete_proc (JSBuiltinInfo *builtin_info, void *instance_context) |
|
911 |
+{ |
|
912 |
+ FileInstanceCtx *ictx = instance_context; |
|
913 |
+ |
|
914 |
+ if (ictx) |
|
915 |
+ { |
|
916 |
+ if (ictx->stream) |
|
917 |
+ { |
|
918 |
+ if (!ictx->dont_close) |
|
919 |
+ { |
|
920 |
+ js_iostream_close (ictx->stream); |
|
921 |
+ JS_VM_FREE_FD (ictx->vm); |
|
922 |
+ } |
|
923 |
+ |
|
924 |
+ ictx->stream = NULL; |
|
925 |
+ } |
|
926 |
+ |
|
927 |
+ js_free (ictx->path); |
|
928 |
+ js_free (ictx); |
|
929 |
+ } |
|
930 |
+} |
|
931 |
+ |
|
932 |
+/* |
|
933 |
+ * Global functions. |
|
934 |
+ */ |
|
935 |
+ |
|
936 |
+void |
|
937 |
+js_builtin_File (JSVirtualMachine *vm) |
|
938 |
+{ |
|
939 |
+ JSNode *n; |
|
940 |
+ JSBuiltinInfo *info; |
|
941 |
+ FileCtx *ctx; |
|
942 |
+ |
|
943 |
+ ctx = js_calloc (vm, 1, sizeof (*ctx)); |
|
944 |
+ |
|
945 |
+ ctx->s_byteToString = js_vm_intern (vm, "byteToString"); |
|
946 |
+ ctx->s_chmod = js_vm_intern (vm, "chmod"); |
|
947 |
+ ctx->s_lstat = js_vm_intern (vm, "lstat"); |
|
948 |
+ ctx->s_remove = js_vm_intern (vm, "remove"); |
|
949 |
+ ctx->s_rename = js_vm_intern (vm, "rename"); |
|
950 |
+ ctx->s_stat = js_vm_intern (vm, "stat"); |
|
951 |
+ ctx->s_stringToByte = js_vm_intern (vm, "stringToByte"); |
|
952 |
+ |
|
953 |
+ ctx->s_open = js_vm_intern (vm, "open"); |
|
954 |
+ ctx->s_close = js_vm_intern (vm, "close"); |
|
955 |
+ ctx->s_setPosition = js_vm_intern (vm, "setPosition"); |
|
956 |
+ ctx->s_getPosition = js_vm_intern (vm, "getPosition"); |
|
957 |
+ ctx->s_eof = js_vm_intern (vm, "eof"); |
|
958 |
+ ctx->s_read = js_vm_intern (vm, "read"); |
|
959 |
+ ctx->s_readln = js_vm_intern (vm, "readln"); |
|
960 |
+ ctx->s_readByte = js_vm_intern (vm, "readByte"); |
|
961 |
+ ctx->s_write = js_vm_intern (vm, "write"); |
|
962 |
+ ctx->s_writeln = js_vm_intern (vm, "writeln"); |
|
963 |
+ ctx->s_writeByte = js_vm_intern (vm, "writeByte"); |
|
964 |
+ ctx->s_ungetByte = js_vm_intern (vm, "ungetByte"); |
|
965 |
+ ctx->s_flush = js_vm_intern (vm, "flush"); |
|
966 |
+ ctx->s_getLength = js_vm_intern (vm, "getLength"); |
|
967 |
+ ctx->s_exists = js_vm_intern (vm, "exists"); |
|
968 |
+ ctx->s_error = js_vm_intern (vm, "error"); |
|
969 |
+ ctx->s_clearError = js_vm_intern (vm, "clearError"); |
|
970 |
+ |
|
971 |
+ ctx->s_autoFlush = js_vm_intern (vm, "autoFlush"); |
|
972 |
+ ctx->s_bufferSize = js_vm_intern (vm, "bufferSize"); |
|
973 |
+ |
|
974 |
+ |
|
975 |
+ /* Object information. */ |
|
976 |
+ |
|
977 |
+ info = js_vm_builtin_info_create (vm); |
|
978 |
+ |
|
979 |
+ info->method_proc = method; |
|
980 |
+ info->property_proc = property; |
|
981 |
+ info->new_proc = new_proc; |
|
982 |
+ info->delete_proc = delete_proc; |
|
983 |
+ info->obj_context = ctx; |
|
984 |
+ info->obj_context_delete = js_free; |
|
985 |
+ |
|
986 |
+ /* Define it. */ |
|
987 |
+ n = &vm->globals[js_vm_intern (vm, "File")]; |
|
988 |
+ js_vm_builtin_create (vm, n, info, NULL); |
|
989 |
+} |
|
990 |
+ |
|
991 |
+ |
|
992 |
+void |
|
993 |
+js_builtin_File_new (JSVirtualMachine *vm, JSNode *result_return, |
|
994 |
+ char *path, JSIOStream *stream, int dont_close) |
|
995 |
+{ |
|
996 |
+ JSNode *n; |
|
997 |
+ FileInstanceCtx *ictx; |
|
998 |
+ |
|
999 |
+ /* Lookup our context. */ |
|
1000 |
+ n = &vm->globals[js_vm_intern (vm, "File")]; |
|
1001 |
+ |
|
1002 |
+ /* Create a file instance. */ |
|
1003 |
+ ictx = js_calloc (vm, 1, sizeof (*ictx)); |
|
1004 |
+ ictx->path = js_strdup (vm, path); |
|
1005 |
+ ictx->stream = stream; |
|
1006 |
+ ictx->dont_close = dont_close; |
|
1007 |
+ ictx->vm = vm; |
|
1008 |
+ |
|
1009 |
+ /* Create the builtin. */ |
|
1010 |
+ js_vm_builtin_create (vm, result_return, n->u.vbuiltin->info, ictx); |
|
1011 |
+} |
0 | 1012 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,78 @@ |
0 |
+/* |
|
1 |
+ * The builtin Function object. |
|
2 |
+ * Copyright (c) 1998 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/b_func.c,v $ |
|
26 |
+ * $Id: b_func.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+#include "jsint.h" |
|
30 |
+ |
|
31 |
+/* |
|
32 |
+ * Static functions. |
|
33 |
+ */ |
|
34 |
+ |
|
35 |
+/* Method proc. */ |
|
36 |
+static int |
|
37 |
+method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
38 |
+ void *instance_context, JSSymbol method, JSNode *result_return, |
|
39 |
+ JSNode *args) |
|
40 |
+{ |
|
41 |
+ return JS_PROPERTY_UNKNOWN; |
|
42 |
+} |
|
43 |
+ |
|
44 |
+/* Property proc. */ |
|
45 |
+static int |
|
46 |
+property (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
47 |
+ void *instance_context, JSSymbol property, int set, JSNode *node) |
|
48 |
+{ |
|
49 |
+ JSNode *n = instance_context; |
|
50 |
+ |
|
51 |
+ if (!set) |
|
52 |
+ node->type = JS_UNDEFINED; |
|
53 |
+ |
|
54 |
+ return JS_PROPERTY_UNKNOWN; |
|
55 |
+} |
|
56 |
+ |
|
57 |
+ |
|
58 |
+/* |
|
59 |
+ * Global functions. |
|
60 |
+ */ |
|
61 |
+ |
|
62 |
+void |
|
63 |
+js_builtin_Function (JSVirtualMachine *vm) |
|
64 |
+{ |
|
65 |
+ JSNode *n; |
|
66 |
+ JSBuiltinInfo *info; |
|
67 |
+ |
|
68 |
+ info = js_vm_builtin_info_create (vm); |
|
69 |
+ vm->prim[JS_FUNC] = info; |
|
70 |
+ |
|
71 |
+ info->method_proc = method; |
|
72 |
+ info->property_proc = property; |
|
73 |
+ |
|
74 |
+ /* Define it. */ |
|
75 |
+ n = &vm->globals[js_vm_intern (vm, "Function")]; |
|
76 |
+ js_vm_builtin_create (vm, n, info, NULL); |
|
77 |
+} |
0 | 78 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,511 @@ |
0 |
+/* |
|
1 |
+ * The builtin Math object. |
|
2 |
+ * Copyright (c) 1998 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/b_math.c,v $ |
|
26 |
+ * $Id: b_math.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+#include "jsint.h" |
|
30 |
+#include "rentrant.h" |
|
31 |
+ |
|
32 |
+/* |
|
33 |
+ * Types and definitions. |
|
34 |
+ */ |
|
35 |
+ |
|
36 |
+#ifndef M_E |
|
37 |
+#define M_E 2.71828182845904523536028747135266250 |
|
38 |
+#endif |
|
39 |
+ |
|
40 |
+#ifndef M_LN10 |
|
41 |
+#define M_LN10 2.302585092994046 |
|
42 |
+#endif |
|
43 |
+ |
|
44 |
+#ifndef M_LN2 |
|
45 |
+#define M_LN2 0.693147180559945309417232121458176568 |
|
46 |
+#endif |
|
47 |
+ |
|
48 |
+#ifndef M_LOG10E |
|
49 |
+#define M_LOG10E 0.434294481903251827651128918916605082 |
|
50 |
+#endif |
|
51 |
+ |
|
52 |
+#ifndef M_LOG2E |
|
53 |
+#define M_LOG2E 1.44269504088896340735992468100189214 |
|
54 |
+#endif |
|
55 |
+ |
|
56 |
+#ifndef M_PI |
|
57 |
+#define M_PI 3.14159265358979323846264338327950288 |
|
58 |
+#endif |
|
59 |
+ |
|
60 |
+#ifndef M_SQRT1_2 |
|
61 |
+#define M_SQRT1_2 0.707106781186547524400844362104849039 |
|
62 |
+#endif |
|
63 |
+ |
|
64 |
+#ifndef M_SQRT2 |
|
65 |
+#define M_SQRT2 1.41421356237309504880168872420969808 |
|
66 |
+#endif |
|
67 |
+ |
|
68 |
+ |
|
69 |
+#define ONE_ARG() \ |
|
70 |
+ do { \ |
|
71 |
+ JSNode cvt; \ |
|
72 |
+ \ |
|
73 |
+ if (args->u.vinteger != 1) \ |
|
74 |
+ goto argument_error; \ |
|
75 |
+ \ |
|
76 |
+ js_vm_to_number (vm, &args[1], &cvt); \ |
|
77 |
+ if (cvt.type == JS_INTEGER) \ |
|
78 |
+ d = (double) cvt.u.vinteger; \ |
|
79 |
+ else if (cvt.type == JS_FLOAT) \ |
|
80 |
+ d = cvt.u.vfloat; \ |
|
81 |
+ else \ |
|
82 |
+ { \ |
|
83 |
+ /* Must be NaN. */ \ |
|
84 |
+ result_return->type = JS_NAN; \ |
|
85 |
+ goto done; \ |
|
86 |
+ } \ |
|
87 |
+ } while (0) |
|
88 |
+ |
|
89 |
+#define TWO_ARGS() \ |
|
90 |
+ do { \ |
|
91 |
+ JSNode cvt; \ |
|
92 |
+ \ |
|
93 |
+ if (args->u.vinteger != 2) \ |
|
94 |
+ goto argument_error; \ |
|
95 |
+ \ |
|
96 |
+ js_vm_to_number (vm, &args[1], &cvt); \ |
|
97 |
+ if (cvt.type == JS_INTEGER) \ |
|
98 |
+ d = (double) cvt.u.vinteger; \ |
|
99 |
+ else if (cvt.type == JS_FLOAT) \ |
|
100 |
+ d = cvt.u.vfloat; \ |
|
101 |
+ else \ |
|
102 |
+ { \ |
|
103 |
+ /* Must be NaN. */ \ |
|
104 |
+ result_return->type = JS_NAN; \ |
|
105 |
+ goto done; \ |
|
106 |
+ } \ |
|
107 |
+ \ |
|
108 |
+ js_vm_to_number (vm, &args[2], &cvt); \ |
|
109 |
+ if (cvt.type == JS_INTEGER) \ |
|
110 |
+ d2 = (double) args[1].u.vinteger; \ |
|
111 |
+ else if (cvt.type == JS_FLOAT) \ |
|
112 |
+ d2 = cvt.u.vfloat; \ |
|
113 |
+ else \ |
|
114 |
+ { \ |
|
115 |
+ /* Must be NaN. */ \ |
|
116 |
+ result_return->type = JS_NAN; \ |
|
117 |
+ goto done; \ |
|
118 |
+ } \ |
|
119 |
+ \ |
|
120 |
+ } while (0) |
|
121 |
+ |
|
122 |
+/* Class context. */ |
|
123 |
+struct math_ctx_st |
|
124 |
+{ |
|
125 |
+ JSSymbol s_abs; |
|
126 |
+ JSSymbol s_acos; |
|
127 |
+ JSSymbol s_asin; |
|
128 |
+ JSSymbol s_atan; |
|
129 |
+ JSSymbol s_atan2; |
|
130 |
+ JSSymbol s_ceil; |
|
131 |
+ JSSymbol s_cos; |
|
132 |
+ JSSymbol s_exp; |
|
133 |
+ JSSymbol s_floor; |
|
134 |
+ JSSymbol s_log; |
|
135 |
+ JSSymbol s_max; |
|
136 |
+ JSSymbol s_min; |
|
137 |
+ JSSymbol s_pow; |
|
138 |
+ JSSymbol s_random; |
|
139 |
+ JSSymbol s_round; |
|
140 |
+ JSSymbol s_seed; |
|
141 |
+ JSSymbol s_sin; |
|
142 |
+ JSSymbol s_sqrt; |
|
143 |
+ JSSymbol s_tan; |
|
144 |
+ |
|
145 |
+ JSSymbol s_E; |
|
146 |
+ JSSymbol s_LN10; |
|
147 |
+ JSSymbol s_LN2; |
|
148 |
+ JSSymbol s_LOG10E; |
|
149 |
+ JSSymbol s_LOG2E; |
|
150 |
+ JSSymbol s_PI; |
|
151 |
+ JSSymbol s_SQRT1_2; |
|
152 |
+ JSSymbol s_SQRT2; |
|
153 |
+ |
|
154 |
+ void *drand48_context; |
|
155 |
+}; |
|
156 |
+ |
|
157 |
+typedef struct math_ctx_st MathCtx; |
|
158 |
+ |
|
159 |
+/* |
|
160 |
+ * Static functions. |
|
161 |
+ */ |
|
162 |
+ |
|
163 |
+/* Method proc. */ |
|
164 |
+static int |
|
165 |
+method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
166 |
+ void *instance_context, JSSymbol method, JSNode *result_return, |
|
167 |
+ JSNode *args) |
|
168 |
+{ |
|
169 |
+ MathCtx *ctx = builtin_info->obj_context; |
|
170 |
+ double d, d2; |
|
171 |
+ int i; |
|
172 |
+ |
|
173 |
+ /* The default return value. */ |
|
174 |
+ result_return->type = JS_FLOAT; |
|
175 |
+ |
|
176 |
+ if (method == ctx->s_abs) |
|
177 |
+ { |
|
178 |
+ ONE_ARG (); |
|
179 |
+ result_return->u.vfloat = fabs (d); |
|
180 |
+ } |
|
181 |
+ /* ********************************************************************** */ |
|
182 |
+ else if (method == ctx->s_acos) |
|
183 |
+ { |
|
184 |
+ ONE_ARG (); |
|
185 |
+ result_return->u.vfloat = acos (d); |
|
186 |
+ } |
|
187 |
+ /* ********************************************************************** */ |
|
188 |
+ else if (method == ctx->s_asin) |
|
189 |
+ { |
|
190 |
+ ONE_ARG (); |
|
191 |
+ result_return->u.vfloat = asin (d); |
|
192 |
+ } |
|
193 |
+ /* ********************************************************************** */ |
|
194 |
+ else if (method == ctx->s_atan) |
|
195 |
+ { |
|
196 |
+ ONE_ARG (); |
|
197 |
+ result_return->u.vfloat = atan (d); |
|
198 |
+ } |
|
199 |
+ /* ********************************************************************** */ |
|
200 |
+ else if (method == ctx->s_atan2) |
|
201 |
+ { |
|
202 |
+ TWO_ARGS (); |
|
203 |
+ result_return->u.vfloat = atan2 (d, d2); |
|
204 |
+ } |
|
205 |
+ /* ********************************************************************** */ |
|
206 |
+ else if (method == ctx->s_ceil) |
|
207 |
+ { |
|
208 |
+ ONE_ARG (); |
|
209 |
+ result_return->u.vfloat = ceil (d); |
|
210 |
+ } |
|
211 |
+ /* ********************************************************************** */ |
|
212 |
+ else if (method == ctx->s_cos) |
|
213 |
+ { |
|
214 |
+ ONE_ARG (); |
|
215 |
+ result_return->u.vfloat = cos (d); |
|
216 |
+ } |
|
217 |
+ /* ********************************************************************** */ |
|
218 |
+ else if (method == ctx->s_exp) |
|
219 |
+ { |
|
220 |
+ ONE_ARG (); |
|
221 |
+ result_return->u.vfloat = exp (d); |
|
222 |
+ } |
|
223 |
+ /* ********************************************************************** */ |
|
224 |
+ else if (method == ctx->s_floor) |
|
225 |
+ { |
|
226 |
+ ONE_ARG (); |
|
227 |
+ result_return->u.vfloat = floor (d); |
|
228 |
+ } |
|
229 |
+ /* ********************************************************************** */ |
|
230 |
+ else if (method == ctx->s_log) |
|
231 |
+ { |
|
232 |
+ ONE_ARG (); |
|
233 |
+ result_return->u.vfloat = log (d); |
|
234 |
+ } |
|
235 |
+ /* ********************************************************************** */ |
|
236 |
+ else if (method == ctx->s_max || method == ctx->s_min) |
|
237 |
+ { |
|
238 |
+ JSNode cvt; |
|
239 |
+ |
|
240 |
+ if (args->u.vinteger < 1) |
|
241 |
+ goto argument_error; |
|
242 |
+ |
|
243 |
+ /* Take the initial argument. */ |
|
244 |
+ js_vm_to_number (vm, &args[1], &cvt); |
|
245 |
+ if (cvt.type == JS_NAN) |
|
246 |
+ { |
|
247 |
+ result_return->type = JS_NAN; |
|
248 |
+ goto done; |
|
249 |
+ } |
|
250 |
+ if (cvt.type == JS_INTEGER) |
|
251 |
+ d = (double) cvt.u.vinteger; |
|
252 |
+ else |
|
253 |
+ d = cvt.u.vfloat; |
|
254 |
+ |
|
255 |
+ /* Handle the rest. */ |
|
256 |
+ for (i = 1; i < args->u.vinteger; i++) |
|
257 |
+ { |
|
258 |
+ js_vm_to_number (vm, &args[1], &cvt); |
|
259 |
+ if (cvt.type == JS_NAN) |
|
260 |
+ { |
|
261 |
+ result_return->type = JS_NAN; |
|
262 |
+ goto done; |
|
263 |
+ } |
|
264 |
+ if (cvt.type == JS_INTEGER) |
|
265 |
+ d2 = (double) cvt.u.vinteger; |
|
266 |
+ else |
|
267 |
+ d2 = cvt.u.vfloat; |
|
268 |
+ |
|
269 |
+ if (method == ctx->s_max) |
|
270 |
+ { |
|
271 |
+ if (d2 > d) |
|
272 |
+ d = d2; |
|
273 |
+ } |
|
274 |
+ else |
|
275 |
+ { |
|
276 |
+ if (d2 < d) |
|
277 |
+ d = d2; |
|
278 |
+ } |
|
279 |
+ } |
|
280 |
+ |
|
281 |
+ result_return->type = JS_FLOAT; |
|
282 |
+ result_return->u.vfloat = d; |
|
283 |
+ } |
|
284 |
+ /* ********************************************************************** */ |
|
285 |
+ else if (method == ctx->s_pow) |
|
286 |
+ { |
|
287 |
+ TWO_ARGS (); |
|
288 |
+ result_return->u.vfloat = pow (d, d2); |
|
289 |
+ } |
|
290 |
+ /* ********************************************************************** */ |
|
291 |
+ else if (method == ctx->s_random) |
|
292 |
+ { |
|
293 |
+ if (args->u.vinteger != 0) |
|
294 |
+ goto argument_error; |
|
295 |
+ |
|
296 |
+ /* js_srand48 (ctx->drand48_context, time (NULL)); */ |
|
297 |
+ js_drand48 (ctx->drand48_context, &result_return->u.vfloat); |
|
298 |
+ } |
|
299 |
+ /* ********************************************************************** */ |
|
300 |
+ else if (method == ctx->s_round) |
|
301 |
+ { |
|
302 |
+ ONE_ARG (); |
|
303 |
+ result_return->type = JS_INTEGER; |
|
304 |
+ result_return->u.vinteger = (long) (d + 0.5); |
|
305 |
+ } |
|
306 |
+ /* ********************************************************************** */ |
|
307 |
+ else if (method == ctx->s_seed) |
|
308 |
+ { |
|
309 |
+ ONE_ARG (); |
|
310 |
+ js_srand48 (ctx->drand48_context, (long) d); |
|
311 |
+ result_return->type = JS_UNDEFINED; |
|
312 |
+ } |
|
313 |
+ /* ********************************************************************** */ |
|
314 |
+ else if (method == ctx->s_sin) |
|
315 |
+ { |
|
316 |
+ ONE_ARG (); |
|
317 |
+ result_return->u.vfloat = sin (d); |
|
318 |
+ } |
|
319 |
+ /* ********************************************************************** */ |
|
320 |
+ else if (method == ctx->s_sqrt) |
|
321 |
+ { |
|
322 |
+ ONE_ARG (); |
|
323 |
+ result_return->u.vfloat = sqrt (d); |
|
324 |
+ } |
|
325 |
+ /* ********************************************************************** */ |
|
326 |
+ else if (method == ctx->s_tan) |
|
327 |
+ { |
|
328 |
+ ONE_ARG (); |
|
329 |
+ result_return->u.vfloat = tan (d); |
|
330 |
+ } |
|
331 |
+ /* ********************************************************************** */ |
|
332 |
+ else if (method == vm->syms.s_toString) |
|
333 |
+ { |
|
334 |
+ js_vm_make_static_string (vm, result_return, "Math", 4); |
|
335 |
+ } |
|
336 |
+ /* ********************************************************************** */ |
|
337 |
+ else |
|
338 |
+ return JS_PROPERTY_UNKNOWN; |
|
339 |
+ |
|
340 |
+ done: |
|
341 |
+ |
|
342 |
+ return JS_PROPERTY_FOUND; |
|
343 |
+ |
|
344 |
+ |
|
345 |
+ /* |
|
346 |
+ * Error handling. |
|
347 |
+ */ |
|
348 |
+ |
|
349 |
+ argument_error: |
|
350 |
+ sprintf (vm->error, "Math.%s(): illegal amount of arguments", |
|
351 |
+ js_vm_symname (vm, method)); |
|
352 |
+ js_vm_error (vm); |
|
353 |
+ |
|
354 |
+ argument_type_error: |
|
355 |
+ sprintf (vm->error, "Math.%s(): illegal argument", |
|
356 |
+ js_vm_symname (vm, method)); |
|
357 |
+ js_vm_error (vm); |
|
358 |
+ |
|
359 |
+ /* NOTREACHED. */ |
|
360 |
+ return 0; |
|
361 |
+} |
|
362 |
+ |
|
363 |
+/* Property proc. */ |
|
364 |
+static int |
|
365 |
+property (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
366 |
+ void *instance_context, JSSymbol property, int set, JSNode *node) |
|
367 |
+{ |
|
368 |
+ MathCtx *ctx = builtin_info->obj_context; |
|
369 |
+ |
|
370 |
+ /* The default result is float. */ |
|
371 |
+ node->type = JS_FLOAT; |
|
372 |
+ |
|
373 |
+ if (property == ctx->s_E) |
|
374 |
+ { |
|
375 |
+ if (set) |
|
376 |
+ goto immutable; |
|
377 |
+ |
|
378 |
+ node->u.vfloat = M_E; |
|
379 |
+ } |
|
380 |
+ else if (property == ctx->s_LN10) |
|
381 |
+ { |
|
382 |
+ if (set) |
|
383 |
+ goto immutable; |
|
384 |
+ |
|
385 |
+ node->u.vfloat = M_LN10; |
|
386 |
+ } |
|
387 |
+ else if (property == ctx->s_LN2) |
|
388 |
+ { |
|
389 |
+ if (set) |
|
390 |
+ goto immutable; |
|
391 |
+ |
|
392 |
+ node->u.vfloat = M_LN2; |
|
393 |
+ } |
|
394 |
+ else if (property == ctx->s_LOG10E) |
|
395 |
+ { |
|
396 |
+ if (set) |
|
397 |
+ goto immutable; |
|
398 |
+ |
|
399 |
+ node->u.vfloat = M_LOG10E; |
|
400 |
+ } |
|
401 |
+ else if (property == ctx->s_LOG2E) |
|
402 |
+ { |
|
403 |
+ if (set) |
|
404 |
+ goto immutable; |
|
405 |
+ |
|
406 |
+ node->u.vfloat = M_LOG2E; |
|
407 |
+ } |
|
408 |
+ else if (property == ctx->s_PI) |
|
409 |
+ { |
|
410 |
+ if (set) |
|
411 |
+ goto immutable; |
|
412 |
+ |
|
413 |
+ node->u.vfloat = M_PI; |
|
414 |
+ } |
|
415 |
+ else if (property == ctx->s_SQRT1_2) |
|
416 |
+ { |
|
417 |
+ if (set) |
|
418 |
+ goto immutable; |
|
419 |
+ |
|
420 |
+ node->u.vfloat = M_SQRT1_2; |
|
421 |
+ } |
|
422 |
+ else if (property == ctx->s_SQRT2) |
|
423 |
+ { |
|
424 |
+ if (set) |
|
425 |
+ goto immutable; |
|
426 |
+ |
|
427 |
+ node->u.vfloat = M_SQRT2; |
|
428 |
+ } |
|
429 |
+ else |
|
430 |
+ { |
|
431 |
+ if (!set) |
|
432 |
+ node->type = JS_UNDEFINED; |
|
433 |
+ |
|
434 |
+ return JS_PROPERTY_UNKNOWN; |
|
435 |
+ } |
|
436 |
+ |
|
437 |
+ return JS_PROPERTY_FOUND; |
|
438 |
+ |
|
439 |
+ |
|
440 |
+ /* |
|
441 |
+ * Error handling. |
|
442 |
+ */ |
|
443 |
+ |
|
444 |
+ immutable: |
|
445 |
+ sprintf (vm->error, "Math.%s: immutable property", |
|
446 |
+ js_vm_symname (vm, property)); |
|
447 |
+ js_vm_error (vm); |
|
448 |
+ |
|
449 |
+ /* NOTREACHED. */ |
|
450 |
+ return 0; |
|
451 |
+} |
|
452 |
+ |
|
453 |
+ |
|
454 |
+/* |
|
455 |
+ * Global functions. |
|
456 |
+ */ |
|
457 |
+ |
|
458 |
+void |
|
459 |
+js_builtin_Math (JSVirtualMachine *vm) |
|
460 |
+{ |
|
461 |
+ JSBuiltinInfo *info; |
|
462 |
+ MathCtx *ctx; |
|
463 |
+ JSNode *n; |
|
464 |
+ |
|
465 |
+ ctx = js_calloc (vm, 1, sizeof (*ctx)); |
|
466 |
+ |
|
467 |
+ ctx->s_abs = js_vm_intern (vm, "abs"); |
|
468 |
+ ctx->s_acos = js_vm_intern (vm, "acos"); |
|
469 |
+ ctx->s_asin = js_vm_intern (vm, "asin"); |
|
470 |
+ ctx->s_atan = js_vm_intern (vm, "atan"); |
|
471 |
+ ctx->s_atan2 = js_vm_intern (vm, "atan2"); |
|
472 |
+ ctx->s_ceil = js_vm_intern (vm, "ceil"); |
|
473 |
+ ctx->s_cos = js_vm_intern (vm, "cos"); |
|
474 |
+ ctx->s_exp = js_vm_intern (vm, "exp"); |
|
475 |
+ ctx->s_floor = js_vm_intern (vm, "floor"); |
|
476 |
+ ctx->s_log = js_vm_intern (vm, "log"); |
|
477 |
+ ctx->s_max = js_vm_intern (vm, "max"); |
|
478 |
+ ctx->s_min = js_vm_intern (vm, "min"); |
|
479 |
+ ctx->s_pow = js_vm_intern (vm, "pow"); |
|
480 |
+ ctx->s_random = js_vm_intern (vm, "random"); |
|
481 |
+ ctx->s_round = js_vm_intern (vm, "round"); |
|
482 |
+ ctx->s_seed = js_vm_intern (vm, "seed"); |
|
483 |
+ ctx->s_sin = js_vm_intern (vm, "sin"); |
|
484 |
+ ctx->s_sqrt = js_vm_intern (vm, "sqrt"); |
|
485 |
+ ctx->s_tan = js_vm_intern (vm, "tan"); |
|
486 |
+ |
|
487 |
+ ctx->s_E = js_vm_intern (vm, "E"); |
|
488 |
+ ctx->s_LN10 = js_vm_intern (vm, "LN10"); |
|
489 |
+ ctx->s_LN2 = js_vm_intern (vm, "LN2"); |
|
490 |
+ ctx->s_LOG10E = js_vm_intern (vm, "LOG10E"); |
|
491 |
+ ctx->s_LOG2E = js_vm_intern (vm, "LOG2E"); |
|
492 |
+ ctx->s_PI = js_vm_intern (vm, "PI"); |
|
493 |
+ ctx->s_SQRT1_2 = js_vm_intern (vm, "SQRT1_2"); |
|
494 |
+ ctx->s_SQRT2 = js_vm_intern (vm, "SQRT2"); |
|
495 |
+ |
|
496 |
+ ctx->drand48_context = js_drand48_create (vm); |
|
497 |
+ |
|
498 |
+ /* Object information. */ |
|
499 |
+ |
|
500 |
+ info = js_vm_builtin_info_create (vm); |
|
501 |
+ |
|
502 |
+ info->method_proc = method; |
|
503 |
+ info->property_proc = property; |
|
504 |
+ info->obj_context = ctx; |
|
505 |
+ info->obj_context_delete = js_free; |
|
506 |
+ |
|
507 |
+ /* Define it. */ |
|
508 |
+ n = &vm->globals[js_vm_intern (vm, "Math")]; |
|
509 |
+ js_vm_builtin_create (vm, n, info, NULL); |
|
510 |
+} |
0 | 511 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,320 @@ |
0 |
+/* |
|
1 |
+ * The builtin Number object. |
|
2 |
+ * Copyright (c) 1998 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/b_number.c,v $ |
|
26 |
+ * $Id: b_number.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+/* |
|
30 |
+ * Standard: ECMAScript-2.0.draft-22-Apr-98 |
|
31 |
+ */ |
|
32 |
+ |
|
33 |
+#include "jsint.h" |
|
34 |
+ |
|
35 |
+/* |
|
36 |
+ * Types and definitions. |
|
37 |
+ */ |
|
38 |
+ |
|
39 |
+/* Class context. */ |
|
40 |
+struct number_ctx_st |
|
41 |
+{ |
|
42 |
+ JSSymbol s_MAX_VALUE; |
|
43 |
+ JSSymbol s_MIN_VALUE; |
|
44 |
+ JSSymbol s_NaN; |
|
45 |
+ JSSymbol s_NEGATIVE_INFINITY; |
|
46 |
+ JSSymbol s_POSITIVE_INFINITY; |
|
47 |
+}; |
|
48 |
+ |
|
49 |
+typedef struct number_ctx_st NumberCtx; |
|
50 |
+ |
|
51 |
+ |
|
52 |
+/* |
|
53 |
+ * Static functions. |
|
54 |
+ */ |
|
55 |
+ |
|
56 |
+/* Global method proc. */ |
|
57 |
+static void |
|
58 |
+global_method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
59 |
+ void *instance_context, JSNode *result_return, |
|
60 |
+ JSNode *args) |
|
61 |
+{ |
|
62 |
+ if (args->u.vinteger == 0) |
|
63 |
+ { |
|
64 |
+ result_return->type = JS_INTEGER; |
|
65 |
+ result_return->u.vinteger = 0; |
|
66 |
+ } |
|
67 |
+ else if (args->u.vinteger == 1) |
|
68 |
+ { |
|
69 |
+ js_vm_to_number (vm, &args[1], result_return); |
|
70 |
+ } |
|
71 |
+ else |
|
72 |
+ { |
|
73 |
+ sprintf (vm->error, "Number(): illegal amount of arguments"); |
|
74 |
+ js_vm_error (vm); |
|
75 |
+ } |
|
76 |
+} |
|
77 |
+ |
|
78 |
+/* Method proc. */ |
|
79 |
+static int |
|
80 |
+method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
81 |
+ void *instance_context, JSSymbol method, JSNode *result_return, |
|
82 |
+ JSNode *args) |
|
83 |
+{ |
|
84 |
+ JSNode *n = instance_context; |
|
85 |
+ char buf[256]; |
|
86 |
+ |
|
87 |
+ if (method == vm->syms.s_toString) |
|
88 |
+ { |
|
89 |
+ if (n) |
|
90 |
+ { |
|
91 |
+ int radix = 10; |
|
92 |
+ |
|
93 |
+ if (args->u.vinteger == 0) |
|
94 |
+ ; |
|
95 |
+ else if (args->u.vinteger == 1) |
|
96 |
+ { |
|
97 |
+ if (args[1].type != JS_INTEGER) |
|
98 |
+ goto argument_type_error; |
|
99 |
+ |
|
100 |
+ radix = args[1].u.vinteger; |
|
101 |
+ } |
|
102 |
+ else |
|
103 |
+ goto argument_error; |
|
104 |
+ |
|
105 |
+ if (n->type == JS_INTEGER) |
|
106 |
+ { |
|
107 |
+ switch (radix) |
|
108 |
+ { |
|
109 |
+ case 2: |
|
110 |
+ { |
|
111 |
+ char buf2[256]; |
|
112 |
+ int i; |
|
113 |
+ unsigned int bit = 1; |
|
114 |
+ unsigned long ul = (unsigned long) n->u.vinteger; |
|
115 |
+ |
|
116 |
+ for (i = 0; bit > 0; bit <<= 1, i++) |
|
117 |
+ buf2[i] = (ul & bit) ? '1' : '0'; |
|
118 |
+ |
|
119 |
+ for (i--; i > 0 && buf2[i] == '0'; i--) |
|
120 |
+ ; |
|
121 |
+ |
|
122 |
+ bit = i; |
|
123 |
+ for (; i >= 0; i--) |
|
124 |
+ buf[bit - i] = buf2[i]; |
|
125 |
+ buf[bit + 1] = '\0'; |
|
126 |
+ } |
|
127 |
+ break; |
|
128 |
+ |
|
129 |
+ case 8: |
|
130 |
+ sprintf (buf, "%lo", (unsigned long) n->u.vinteger); |
|
131 |
+ break; |
|
132 |
+ |
|
133 |
+ case 10: |
|
134 |
+ sprintf (buf, "%ld", n->u.vinteger); |
|
135 |
+ break; |
|
136 |
+ |
|
137 |
+ case 16: |
|
138 |
+ sprintf (buf, "%lx", (unsigned long) n->u.vinteger); |
|
139 |
+ break; |
|
140 |
+ |
|
141 |
+ default: |
|
142 |
+ sprintf (vm->error, "Number.%s(): illegal radix %d", |
|
143 |
+ js_vm_symname (vm, method), radix); |
|
144 |
+ js_vm_error (vm); |
|
145 |
+ break; |
|
146 |
+ } |
|
147 |
+ } |
|
148 |
+ else if (n->type == JS_FLOAT) |
|
149 |
+ sprintf (buf, "%g", n->u.vfloat); |
|
150 |
+ else |
|
151 |
+ sprintf (buf, "NaN"); |
|
152 |
+ |
|
153 |
+ js_vm_make_string (vm, result_return, buf, strlen (buf)); |
|
154 |
+ } |
|
155 |
+ else |
|
156 |
+ { |
|
157 |
+ if (args->u.vinteger != 0) |
|
158 |
+ goto argument_error; |
|
159 |
+ js_vm_make_static_string (vm, result_return, "Number", 6); |
|
160 |
+ } |
|
161 |
+ } |
|
162 |
+ /* ********************************************************************** */ |
|
163 |
+ else if (method == vm->syms.s_valueOf) |
|
164 |
+ { |
|
165 |
+ if (n == NULL) |
|
166 |
+ n = &vm->globals[js_vm_intern (vm, "Number")]; |
|
167 |
+ |
|
168 |
+ JS_COPY (result_return, n); |
|
169 |
+ } |
|
170 |
+ /* ********************************************************************** */ |
|
171 |
+ else |
|
172 |
+ return JS_PROPERTY_UNKNOWN; |
|
173 |
+ |
|
174 |
+ return JS_PROPERTY_FOUND; |
|
175 |
+ |
|
176 |
+ |
|
177 |
+ /* |
|
178 |
+ * Error handling. |
|
179 |
+ */ |
|
180 |
+ |
|
181 |
+ argument_error: |
|
182 |
+ sprintf (vm->error, "Number.%s(): illegal amount of arguments", |
|
183 |
+ js_vm_symname (vm, method)); |
|
184 |
+ js_vm_error (vm); |
|
185 |
+ |
|
186 |
+ argument_type_error: |
|
187 |
+ sprintf (vm->error, "Number.%s(): illegal argument", |
|
188 |
+ js_vm_symname (vm, method)); |
|
189 |
+ js_vm_error (vm); |
|
190 |
+ |
|
191 |
+ /* NOTREACHED */ |
|
192 |
+ return 0; |
|
193 |
+} |
|
194 |
+ |
|
195 |
+/* Property proc. */ |
|
196 |
+static int |
|
197 |
+property (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
198 |
+ void *instance_context, JSSymbol property, int set, JSNode *node) |
|
199 |
+{ |
|
200 |
+ NumberCtx *ctx = builtin_info->obj_context; |
|
201 |
+ |
|
202 |
+ /* The default result type. */ |
|
203 |
+ node->type = JS_FLOAT; |
|
204 |
+ |
|
205 |
+ if (property == ctx->s_MAX_VALUE) |
|
206 |
+ { |
|
207 |
+ if (set) |
|
208 |
+ goto immutable; |
|
209 |
+ |
|
210 |
+ node->u.vfloat = DBL_MAX; |
|
211 |
+ } |
|
212 |
+ else if (property == ctx->s_MIN_VALUE) |
|
213 |
+ { |
|
214 |
+ if (set) |
|
215 |
+ goto immutable; |
|
216 |
+ |
|
217 |
+ node->u.vfloat = DBL_MIN; |
|
218 |
+ } |
|
219 |
+ else if (property == ctx->s_NaN) |
|
220 |
+ { |
|
221 |
+ if (set) |
|
222 |
+ goto immutable; |
|
223 |
+ |
|
224 |
+ node->type = JS_NAN; |
|
225 |
+ } |
|
226 |
+ else if (property == ctx->s_NEGATIVE_INFINITY) |
|
227 |
+ { |
|
228 |
+ if (set) |
|
229 |
+ goto immutable; |
|
230 |
+ |
|
231 |
+ JS_MAKE_NEGATIVE_INFINITY (node); |
|
232 |
+ } |
|
233 |
+ else if (property == ctx->s_POSITIVE_INFINITY) |
|
234 |
+ { |
|
235 |
+ if (set) |
|
236 |
+ goto immutable; |
|
237 |
+ |
|
238 |
+ JS_MAKE_POSITIVE_INFINITY (node); |
|
239 |
+ } |
|
240 |
+ else |
|
241 |
+ { |
|
242 |
+ if (!set) |
|
243 |
+ node->type = JS_UNDEFINED; |
|
244 |
+ |
|
245 |
+ return JS_PROPERTY_UNKNOWN; |
|
246 |
+ } |
|
247 |
+ |
|
248 |
+ return JS_PROPERTY_FOUND; |
|
249 |
+ |
|
250 |
+ |
|
251 |
+ /* |
|
252 |
+ * Error handling. |
|
253 |
+ */ |
|
254 |
+ |
|
255 |
+ immutable: |
|
256 |
+ sprintf (vm->error, "Number.%s: immutable property", |
|
257 |
+ js_vm_symname (vm, property)); |
|
258 |
+ js_vm_error (vm); |
|
259 |
+ |
|
260 |
+ /* NOTREACHED */ |
|
261 |
+ return 0; |
|
262 |
+} |
|
263 |
+ |
|
264 |
+/* New proc. */ |
|
265 |
+static void |
|
266 |
+new_proc (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, JSNode *args, |
|
267 |
+ JSNode *result_return) |
|
268 |
+{ |
|
269 |
+ if (args->u.vinteger == 0) |
|
270 |
+ { |
|
271 |
+ result_return->type = JS_INTEGER; |
|
272 |
+ result_return->u.vinteger = 0; |
|
273 |
+ } |
|
274 |
+ else if (args->u.vinteger == 1) |
|
275 |
+ { |
|
276 |
+ js_vm_to_number (vm, &args[1], result_return); |
|
277 |
+ } |
|
278 |
+ else |
|
279 |
+ { |
|
280 |
+ sprintf (vm->error, "new Number(): illegal amount of arguments"); |
|
281 |
+ js_vm_error (vm); |
|
282 |
+ } |
|
283 |
+} |
|
284 |
+ |
|
285 |
+/* |
|
286 |
+ * Global functions. |
|
287 |
+ */ |
|
288 |
+ |
|
289 |
+void |
|
290 |
+js_builtin_Number (JSVirtualMachine *vm) |
|
291 |
+{ |
|
292 |
+ NumberCtx *ctx; |
|
293 |
+ JSNode *n; |
|
294 |
+ JSBuiltinInfo *info; |
|
295 |
+ |
|
296 |
+ ctx = js_calloc (vm, 1, sizeof (*ctx)); |
|
297 |
+ |
|
298 |
+ ctx->s_MAX_VALUE = js_vm_intern (vm, "MAX_VALUE"); |
|
299 |
+ ctx->s_MIN_VALUE = js_vm_intern (vm, "MIN_VALUE"); |
|
300 |
+ ctx->s_NaN = js_vm_intern (vm, "NaN"); |
|
301 |
+ ctx->s_NEGATIVE_INFINITY = js_vm_intern (vm, "NEGATIVE_INFINITY"); |
|
302 |
+ ctx->s_POSITIVE_INFINITY = js_vm_intern (vm, "POSITIVE_INFINITY"); |
|
303 |
+ |
|
304 |
+ info = js_vm_builtin_info_create (vm); |
|
305 |
+ vm->prim[JS_INTEGER] = info; |
|
306 |
+ vm->prim[JS_FLOAT] = info; |
|
307 |
+ vm->prim[JS_NAN] = info; |
|
308 |
+ |
|
309 |
+ info->global_method_proc = global_method; |
|
310 |
+ info->method_proc = method; |
|
311 |
+ info->property_proc = property; |
|
312 |
+ info->new_proc = new_proc; |
|
313 |
+ info->obj_context = ctx; |
|
314 |
+ info->obj_context_delete = js_free; |
|
315 |
+ |
|
316 |
+ /* Define it. */ |
|
317 |
+ n = &vm->globals[js_vm_intern (vm, "Number")]; |
|
318 |
+ js_vm_builtin_create (vm, n, info, NULL); |
|
319 |
+} |
0 | 320 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,195 @@ |
0 |
+/* |
|
1 |
+ * The builtin Object object. |
|
2 |
+ * Copyright (c) 1998 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/b_object.c,v $ |
|
26 |
+ * $Id: b_object.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+#include "jsint.h" |
|
30 |
+ |
|
31 |
+/* |
|
32 |
+ * Static functions. |
|
33 |
+ */ |
|
34 |
+ |
|
35 |
+/* Global method proc. */ |
|
36 |
+static void |
|
37 |
+global_method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
38 |
+ void *instance_context, JSNode *result_return, |
|
39 |
+ JSNode *args) |
|
40 |
+{ |
|
41 |
+ if (args->u.vinteger > 1) |
|
42 |
+ { |
|
43 |
+ sprintf (vm->error, "Object(): illegal amount of arguments"); |
|
44 |
+ js_vm_error (vm); |
|
45 |
+ } |
|
46 |
+ if (args->u.vinteger == 0 |
|
47 |
+ || (args->u.vinteger == 1 |
|
48 |
+ && (args[1].type == JS_NULL |
|
49 |
+ || args[1].type == JS_UNDEFINED))) |
|
50 |
+ { |
|
51 |
+ /* Create a fresh new object. */ |
|
52 |
+ result_return->type = JS_OBJECT; |
|
53 |
+ result_return->u.vobject = js_vm_object_new (vm); |
|
54 |
+ } |
|
55 |
+ else |
|
56 |
+ { |
|
57 |
+ /* We have one argument. Call ToObject() for it. */ |
|
58 |
+ js_vm_to_object (vm, &args[1], result_return); |
|
59 |
+ } |
|
60 |
+} |
|
61 |
+ |
|
62 |
+/* Method proc. */ |
|
63 |
+static int |
|
64 |
+method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
65 |
+ void *instance_context, JSSymbol method, JSNode *result_return, |
|
66 |
+ JSNode *args) |
|
67 |
+{ |
|
68 |
+ JSNode *n = instance_context; |
|
69 |
+ |
|
70 |
+ if (method == vm->syms.s_toSource) |
|
71 |
+ { |
|
72 |
+ char *source; |
|
73 |
+ |
|
74 |
+ if (instance_context) |
|
75 |
+ { |
|
76 |
+ result_return->type = JS_UNDEFINED; |
|
77 |
+ /* XXX 15.2.4.3 */ |
|
78 |
+ } |
|
79 |
+ else |
|
80 |
+ { |
|
81 |
+ source = "new Object()"; |
|
82 |
+ js_vm_make_static_string (vm, result_return, source, |
|
83 |
+ strlen (source)); |
|
84 |
+ } |
|
85 |
+ } |
|
86 |
+ /* ********************************************************************** */ |
|
87 |
+ else if (method == vm->syms.s_toString) |
|
88 |
+ { |
|
89 |
+ if (instance_context) |
|
90 |
+ js_vm_make_static_string (vm, result_return, "[object Object]", 15); |
|
91 |
+ else |
|
92 |
+ js_vm_make_static_string (vm, result_return, "Object", 6); |
|
93 |
+ } |
|
94 |
+ /* ********************************************************************** */ |
|
95 |
+ else if (method == vm->syms.s_valueOf) |
|
96 |
+ { |
|
97 |
+ if (instance_context) |
|
98 |
+ JS_COPY (result_return, n); |
|
99 |
+ else |
|
100 |
+ { |
|
101 |
+ n = &vm->globals[js_vm_intern (vm, "Object")]; |
|
102 |
+ JS_COPY (result_return, n); |
|
103 |
+ } |
|
104 |
+ } |
|
105 |
+ /* ********************************************************************** */ |
|
106 |
+ else |
|
107 |
+ return JS_PROPERTY_UNKNOWN; |
|
108 |
+ |
|
109 |
+ return JS_PROPERTY_FOUND; |
|
110 |
+} |
|
111 |
+ |
|
112 |
+ |
|
113 |
+/* Property proc. */ |
|
114 |
+static int |
|
115 |
+property (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
116 |
+ void *instance_context, JSSymbol property, int set, JSNode *node) |
|
117 |
+{ |
|
118 |
+ if (!set) |
|
119 |
+ node->type = JS_UNDEFINED; |
|
120 |
+ |
|
121 |
+ return JS_PROPERTY_UNKNOWN; |
|
122 |
+} |
|
123 |
+ |
|
124 |
+/* New proc. */ |
|
125 |
+static void |
|
126 |
+new_proc (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, JSNode *args, |
|
127 |
+ JSNode *result_return) |
|
128 |
+{ |
|
129 |
+ if (args->u.vinteger == 0) |
|
130 |
+ { |
|
131 |
+ return_native_object: |
|
132 |
+ result_return->type = JS_OBJECT; |
|
133 |
+ result_return->u.vobject = js_vm_object_new (vm); |
|
134 |
+ |
|
135 |
+ /* Set the [[Prototype]] and [[Class]] properties. */ |
|
136 |
+ /* XXX 15.2.2.2 */ |
|
137 |
+ } |
|
138 |
+ else if (args->u.vinteger == 1) |
|
139 |
+ { |
|
140 |
+ switch (args[1].type) |
|
141 |
+ { |
|
142 |
+ case JS_OBJECT: |
|
143 |
+ JS_COPY (result_return, &args[1]); |
|
144 |
+ break; |
|
145 |
+ |
|
146 |
+ case JS_STRING: |
|
147 |
+ case JS_BOOLEAN: |
|
148 |
+ case JS_INTEGER: |
|
149 |
+ case JS_FLOAT: |
|
150 |
+ case JS_NAN: |
|
151 |
+ js_vm_to_object (vm, &args[1], result_return); |
|
152 |
+ break; |
|
153 |
+ |
|
154 |
+ case JS_NULL: |
|
155 |
+ case JS_UNDEFINED: |
|
156 |
+ goto return_native_object; |
|
157 |
+ break; |
|
158 |
+ |
|
159 |
+ default: |
|
160 |
+ /* The rest are implementation dependent. */ |
|
161 |
+ JS_COPY (result_return, &args[1]); |
|
162 |
+ break; |
|
163 |
+ } |
|
164 |
+ } |
|
165 |
+ else |
|
166 |
+ { |
|
167 |
+ sprintf (vm->error, "new Object(): illegal amount of arguments"); |
|
168 |
+ js_vm_error (vm); |
|
169 |
+ } |
|
170 |
+} |
|
171 |
+ |
|
172 |
+ |
|
173 |
+/* |
|
174 |
+ * Global functions. |
|
175 |
+ */ |
|
176 |
+ |
|
177 |
+void |
|
178 |
+js_builtin_Object (JSVirtualMachine *vm) |
|
179 |
+{ |
|
180 |
+ JSNode *n; |
|
181 |
+ JSBuiltinInfo *info; |
|
182 |
+ |
|
183 |
+ info = js_vm_builtin_info_create (vm); |
|
184 |
+ vm->prim[JS_OBJECT] = info; |
|
185 |
+ |
|
186 |
+ info->global_method_proc = global_method; |
|
187 |
+ info->method_proc = method; |
|
188 |
+ info->property_proc = property; |
|
189 |
+ info->new_proc = new_proc; |
|
190 |
+ |
|
191 |
+ /* Define it. */ |
|
192 |
+ n = &vm->globals[js_vm_intern (vm, "Object")]; |
|
193 |
+ js_vm_builtin_create (vm, n, info, NULL); |
|
194 |
+} |
0 | 195 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,1136 @@ |
0 |
+/* |
|
1 |
+ * The builtin RegExp object. |
|
2 |
+ * Copyright (c) 1998 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/b_regexp.c,v $ |
|
26 |
+ * $Id: b_regexp.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+#include "jsint.h" |
|
30 |
+#include "regex.h" |
|
31 |
+ |
|
32 |
+/* |
|
33 |
+ * Types and definitions. |
|
34 |
+ */ |
|
35 |
+ |
|
36 |
+/* These must be in sync with the values, found from `../jsc/asm.js'. */ |
|
37 |
+#define JS_REGEXP_FLAG_G 0x01 |
|
38 |
+#define JS_REGEXP_FLAG_I 0x02 |
|
39 |
+ |
|
40 |
+/* Class context. */ |
|
41 |
+struct regexp_ctx_st |
|
42 |
+{ |
|
43 |
+ /* Static properties. */ |
|
44 |
+ JSSymbol s_S1; |
|
45 |
+ JSSymbol s_S2; |
|
46 |
+ JSSymbol s_S3; |
|
47 |
+ JSSymbol s_S4; |
|
48 |
+ JSSymbol s_S5; |
|
49 |
+ JSSymbol s_S6; |
|
50 |
+ JSSymbol s_S7; |
|
51 |
+ JSSymbol s_S8; |
|
52 |
+ JSSymbol s_S9; |
|
53 |
+ JSSymbol s_S_; |
|
54 |
+ JSSymbol s_input; |
|
55 |
+ JSSymbol s_lastMatch; |
|
56 |
+ JSSymbol s_lastParen; |
|
57 |
+ JSSymbol s_leftContext; |
|
58 |
+ JSSymbol s_multiline; |
|
59 |
+ JSSymbol s_rightContext; |
|
60 |
+ |
|
61 |
+ /* Properties. */ |
|
62 |
+ JSSymbol s_global; |
|
63 |
+ JSSymbol s_ignoreCase; |
|
64 |
+ JSSymbol s_lastIndex; |
|
65 |
+ JSSymbol s_source; |
|
66 |
+ |
|
67 |
+ /* Methods. */ |
|
68 |
+ JSSymbol s_compile; |
|
69 |
+ JSSymbol s_exec; |
|
70 |
+ JSSymbol s_test; |
|
71 |
+ |
|
72 |
+ /* Data that is needed for the static properties. */ |
|
73 |
+ |
|
74 |
+ JSNode input; |
|
75 |
+ struct re_registers regs; |
|
76 |
+}; |
|
77 |
+ |
|
78 |
+typedef struct regexp_ctx_st RegexpCtx; |
|
79 |
+ |
|
80 |
+/* RegExp instance context. */ |
|
81 |
+struct regexp_instance_ctx_st |
|
82 |
+{ |
|
83 |
+ /* The source for this regexp. */ |
|
84 |
+ char *source; |
|
85 |
+ unsigned int source_len; |
|
86 |
+ |
|
87 |
+ /* Flags. */ |
|
88 |
+ unsigned int global : 1; |
|
89 |
+ unsigned int ignore_case : 1; |
|
90 |
+ unsigned int immutable : 1; |
|
91 |
+ |
|
92 |
+ /* Compiled pattern. */ |
|
93 |
+ struct re_pattern_buffer compiled; |
|
94 |
+ |
|
95 |
+ /* The index from which the next match is started. */ |
|
96 |
+ unsigned int last_index; |
|
97 |
+}; |
|
98 |
+ |
|
99 |
+typedef struct regexp_instance_ctx_st RegexpInstanceCtx; |
|
100 |
+ |
|
101 |
+ |
|
102 |
+/* |
|
103 |
+ * Prorototypes for some static functions. |
|
104 |
+ */ |
|
105 |
+ |
|
106 |
+static void new_proc (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
107 |
+ JSNode *args, JSNode *result_return); |
|
108 |
+ |
|
109 |
+ |
|
110 |
+/* |
|
111 |
+ * Static functions. |
|
112 |
+ */ |
|
113 |
+ |
|
114 |
+/* A helper for RegExp.exec(). XXX Check the compliancy. */ |
|
115 |
+static void |
|
116 |
+do_exec (JSVirtualMachine *vm, RegexpCtx *ctx, RegexpInstanceCtx *ictx, |
|
117 |
+ char *input, unsigned int input_len, JSNode *result_return) |
|
118 |
+{ |
|
119 |
+ int result; |
|
120 |
+ int i, j; |
|
121 |
+ |
|
122 |
+ result = re_search (&ictx->compiled, input, input_len, |
|
123 |
+ ictx->global ? ictx->last_index : 0, |
|
124 |
+ input_len, &ctx->regs); |
|
125 |
+ |
|
126 |
+ if (result < 0) |
|
127 |
+ { |
|
128 |
+ result_return->type = JS_NULL; |
|
129 |
+ return; |
|
130 |
+ } |
|
131 |
+ |
|
132 |
+ /* Success. Count how many matches we had. */ |
|
133 |
+ for (i = 0; i < ctx->regs.num_regs && ctx->regs.start[i] >= 0; i++) |
|
134 |
+ ; |
|
135 |
+ |
|
136 |
+ /* Create the result array and enter the sub-matches. */ |
|
137 |
+ js_vm_make_array (vm, result_return, i); |
|
138 |
+ |
|
139 |
+ for (j = 0; j < i; j++) |
|
140 |
+ js_vm_make_string (vm, &result_return->u.varray->data[j], |
|
141 |
+ input + ctx->regs.start[j], |
|
142 |
+ ctx->regs.end[j] - ctx->regs.start[j]); |
|
143 |
+ |
|
144 |
+ ictx->last_index = ctx->regs.end[0]; |
|
145 |
+} |
|
146 |
+ |
|
147 |
+/* Method proc. */ |
|
148 |
+static int |
|
149 |
+method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
150 |
+ void *instance_context, JSSymbol method, JSNode *result_return, |
|
151 |
+ JSNode *args) |
|
152 |
+{ |
|
153 |
+ RegexpCtx *ctx = builtin_info->obj_context; |
|
154 |
+ RegexpInstanceCtx *ictx = instance_context; |
|
155 |
+ int result; |
|
156 |
+ int i; |
|
157 |
+ |
|
158 |
+ /* Set the default return value. */ |
|
159 |
+ result_return->type = JS_BOOLEAN; |
|
160 |
+ result_return->u.vboolean = 1; |
|
161 |
+ |
|
162 |
+ /* Static methods. */ |
|
163 |
+ if (method == vm->syms.s_toString) |
|
164 |
+ { |
|
165 |
+ if (ictx) |
|
166 |
+ js_vm_make_string (vm, result_return, ictx->source, ictx->source_len); |
|
167 |
+ else |
|
168 |
+ js_vm_make_static_string (vm, result_return, "RegExp", 6); |
|
169 |
+ } |
|
170 |
+ /* ********************************************************************** */ |
|
171 |
+ else if (ictx) |
|
172 |
+ { |
|
173 |
+ /* Methods */ |
|
174 |
+ |
|
175 |
+ if (method == ctx->s_compile) |
|
176 |
+ { |
|
177 |
+ int global = 0; |
|
178 |
+ int ignore_case = 0; |
|
179 |
+ const char *error; |
|
180 |
+ JSNode *pattern; |
|
181 |
+ JSNode pattern_cvt; |
|
182 |
+ |
|
183 |
+ if (ictx->immutable) |
|
184 |
+ goto immutable; |
|
185 |
+ |
|
186 |
+ if (args->u.vinteger != 1 && args->u.vinteger != 2) |
|
187 |
+ goto argument_error; |
|
188 |
+ |
|
189 |
+ if (args[1].type == JS_STRING) |
|
190 |
+ pattern = &args[1]; |
|
191 |
+ else |
|
192 |
+ { |
|
193 |
+ js_vm_to_string (vm, &args[1], &pattern_cvt); |
|
194 |
+ pattern = &pattern_cvt; |
|
195 |
+ } |
|
196 |
+ |
|
197 |
+ if (args->u.vinteger == 2) |
|
198 |
+ { |
|
199 |
+ JSNode *flags; |
|
200 |
+ JSNode cvt; |
|
201 |
+ |
|
202 |
+ if (args[2].type == JS_STRING) |
|
203 |
+ flags = &args[2]; |
|
204 |
+ else |
|
205 |
+ { |
|
206 |
+ js_vm_to_string (vm, &args[2], &cvt); |
|
207 |
+ flags = &cvt; |
|
208 |
+ } |
|
209 |
+ |
|
210 |
+ for (i = 0; i < flags->u.vstring->len; i++) |
|
211 |
+ switch (flags->u.vstring->data[i]) |
|
212 |
+ { |
|
213 |
+ case 'g': |
|
214 |
+ global = 1; |
|
215 |
+ break; |
|
216 |
+ |
|
217 |
+ case 'i': |
|
218 |
+ ignore_case = 1; |
|
219 |
+ break; |
|
220 |
+ |
|
221 |
+ default: |
|
222 |
+ sprintf (vm->error, "new RegExp(): illegal flag `%c'", |
|
223 |
+ flags->u.vstring->data[i]); |
|
224 |
+ js_vm_error (vm); |
|
225 |
+ break; |
|
226 |
+ } |
|
227 |
+ } |
|
228 |
+ |
|
229 |
+ if (ictx->source) |
|
230 |
+ js_free (ictx->source); |
|
231 |
+ |
|
232 |
+ ictx->source_len = pattern->u.vstring->len; |
|
233 |
+ ictx->source = js_malloc (vm, ictx->source_len); |
|
234 |
+ memcpy (ictx->source, pattern->u.vstring->data, ictx->source_len); |
|
235 |
+ |
|
236 |
+ ictx->global = global; |
|
237 |
+ ictx->ignore_case = ignore_case; |
|
238 |
+ |
|
239 |
+ if (ictx->compiled.fastmap) |
|
240 |
+ js_free (ictx->compiled.fastmap); |
|
241 |
+ |
|
242 |
+ memset (&ictx->compiled, 0, sizeof (ictx->compiled)); |
|
243 |
+ |
|
244 |
+ if (ictx->ignore_case) |
|
245 |
+ ictx->compiled.translate = js_latin1_tolower; |
|
246 |
+ |
|
247 |
+ error = re_compile_pattern (ictx->source, ictx->source_len, |
|
248 |
+ &ictx->compiled); |
|
249 |
+ if (error) |
|
250 |
+ { |
|
251 |
+ sprintf (vm->error, |
|
252 |
+ "RegExp.%s(): compilation of the expression failed: %s", |
|
253 |
+ js_vm_symname (vm, method), error); |
|
254 |
+ js_vm_error (vm); |
|
255 |
+ } |
|
256 |
+ ictx->compiled.fastmap = js_malloc (vm, 256); |
|
257 |
+ re_compile_fastmap (&ictx->compiled); |
|
258 |
+ } |
|
259 |
+ /* ***************************************************************** */ |
|
260 |
+ else if (method == ctx->s_exec) |
|
261 |
+ { |
|
262 |
+ char *input; |
|
263 |
+ unsigned int input_len; |
|
264 |
+ JSNode *input_str; |
|
265 |
+ JSNode cvt; |
|
266 |
+ |
|
267 |
+ if (args->u.vinteger == 0) |
|
268 |
+ { |
|
269 |
+ if (ctx->input.type == JS_STRING) |
|
270 |
+ input_str = &ctx->input; |
|
271 |
+ else |
|
272 |
+ { |
|
273 |
+ js_vm_to_string (vm, &ctx->input, &cvt); |
|
274 |
+ input_str = &cvt; |
|
275 |
+ } |
|
276 |
+ |
|
277 |
+ input = input_str->u.vstring->data; |
|
278 |
+ input_len = input_str->u.vstring->len; |
|
279 |
+ } |
|
280 |
+ else if (args->u.vinteger == 1) |
|
281 |
+ { |
|
282 |
+ if (args[1].type == JS_STRING) |
|
283 |
+ input_str = &args[1]; |
|
284 |
+ else |
|
285 |
+ { |
|
286 |
+ js_vm_to_string (vm, &args[1], &cvt); |
|
287 |
+ input_str = &cvt; |
|
288 |
+ } |
|
289 |
+ |
|
290 |
+ input = input_str->u.vstring->data; |
|
291 |
+ input_len = input_str->u.vstring->len; |
|
292 |
+ |
|
293 |
+ /* Set the input property to the class context. */ |
|
294 |
+ JS_COPY (&ctx->input, input_str); |
|
295 |
+ } |
|
296 |
+ else |
|
297 |
+ goto argument_error; |
|
298 |
+ |
|
299 |
+ do_exec (vm, ctx, ictx, input, input_len, result_return); |
|
300 |
+ } |
|
301 |
+ /* ***************************************************************** */ |
|
302 |
+ else if (method == ctx->s_test) |
|
303 |
+ { |
|
304 |
+ char *input; |
|
305 |
+ unsigned int input_len; |
|
306 |
+ JSNode *input_str; |
|
307 |
+ JSNode cvt; |
|
308 |
+ |
|
309 |
+ if (args->u.vinteger == 0) |
|
310 |
+ { |
|
311 |
+ if (ctx->input.type == JS_STRING) |
|
312 |
+ input_str = &ctx->input; |
|
313 |
+ else |
|
314 |
+ { |
|
315 |
+ js_vm_to_string (vm, &ctx->input, &cvt); |
|
316 |
+ input_str = &cvt; |
|
317 |
+ } |
|
318 |
+ |
|
319 |
+ input = input_str->u.vstring->data; |
|
320 |
+ input_len = input_str->u.vstring->len; |
|
321 |
+ } |
|
322 |
+ else if (args->u.vinteger == 1) |
|
323 |
+ { |
|
324 |
+ if (args[1].type == JS_STRING) |
|
325 |
+ input_str = &args[1]; |
|
326 |
+ else |
|
327 |
+ { |
|
328 |
+ js_vm_to_string (vm, &args[1], &cvt); |
|
329 |
+ input_str = &cvt; |
|
330 |
+ } |
|
331 |
+ |
|
332 |
+ input = input_str->u.vstring->data; |
|
333 |
+ input_len = input_str->u.vstring->len; |
|
334 |
+ |
|
335 |
+ /* Set the input property to the class context. */ |
|
336 |
+ JS_COPY (&ctx->input, input_str); |
|
337 |
+ } |
|
338 |
+ else |
|
339 |
+ goto argument_error; |
|
340 |
+ |
|
341 |
+ result = re_search (&ictx->compiled, input, input_len, |
|
342 |
+ ictx->global ? ictx->last_index : 0, |
|
343 |
+ input_len, &ctx->regs); |
|
344 |
+ |
|
345 |
+ result_return->type = JS_BOOLEAN; |
|
346 |
+ result_return->u.vboolean = result >= 0; |
|
347 |
+ |
|
348 |
+ if (result >= 0) |
|
349 |
+ /* ctx->regs.num_regs can be 0. Or can it??? */ |
|
350 |
+ ictx->last_index = ctx->regs.end[0]; |
|
351 |
+ } |
|
352 |
+ /* ***************************************************************** */ |
|
353 |
+ else |
|
354 |
+ return JS_PROPERTY_UNKNOWN; |
|
355 |
+ } |
|
356 |
+ /* ********************************************************************** */ |
|
357 |
+ else |
|
358 |
+ return JS_PROPERTY_UNKNOWN; |
|
359 |
+ |
|
360 |
+ return JS_PROPERTY_FOUND; |
|
361 |
+ |
|
362 |
+ |
|
363 |
+ /* |
|
364 |
+ * Error handling. |
|
365 |
+ */ |
|
366 |
+ |
|
367 |
+ argument_error: |
|
368 |
+ sprintf (vm->error, "RegExp.%s(): illegal amount of arguments", |
|
369 |
+ js_vm_symname (vm, method)); |
|
370 |
+ js_vm_error (vm); |
|
371 |
+ |
|
372 |
+ argument_type_error: |
|
373 |
+ sprintf (vm->error, "RegExp.%s(): illegal argument", |
|
374 |
+ js_vm_symname (vm, method)); |
|
375 |
+ js_vm_error (vm); |
|
376 |
+ |
|
377 |
+ immutable: |
|
378 |
+ sprintf (vm->error, "RegExp.%s(): immutable object", |
|
379 |
+ js_vm_symname (vm, method)); |
|
380 |
+ js_vm_error (vm); |
|
381 |
+ |
|
382 |
+ /* NOTREACHED. */ |
|
383 |
+ return 0; |
|
384 |
+} |
|
385 |
+ |
|
386 |
+/* Global method proc. */ |
|
387 |
+static void |
|
388 |
+global_method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
389 |
+ void *instance_context, JSNode *result_return, |
|
390 |
+ JSNode *args) |
|
391 |
+{ |
|
392 |
+ RegexpCtx *ctx = builtin_info->obj_context; |
|
393 |
+ RegexpInstanceCtx *ictx = instance_context; |
|
394 |
+ char *input = NULL; /* Initialized to keep the compiler quiet. */ |
|
395 |
+ unsigned int input_len = 0; /* Likewise. */ |
|
396 |
+ |
|
397 |
+ if (ictx) |
|
398 |
+ { |
|
399 |
+ /* A RegExp instance was called as a function. */ |
|
400 |
+ |
|
401 |
+ if (args->u.vinteger == 0) |
|
402 |
+ { |
|
403 |
+ if (ctx->input.type != JS_STRING) |
|
404 |
+ { |
|
405 |
+ sprintf (vm->error, "RegExp(): RegExp.input is not a string"); |
|
406 |
+ js_vm_error (vm); |
|
407 |
+ } |
|
408 |
+ input = ctx->input.u.vstring->data; |
|
409 |
+ input_len = ctx->input.u.vstring->len; |
|
410 |
+ } |
|
411 |
+ else if (args->u.vinteger == 1) |
|
412 |
+ { |
|
413 |
+ if (args[1].type != JS_STRING) |
|
414 |
+ { |
|
415 |
+ sprintf (vm->error, "RegExp(): illegal argument"); |
|
416 |
+ js_vm_error (vm); |
|
417 |
+ } |
|
418 |
+ |
|
419 |
+ input = args[1].u.vstring->data; |
|
420 |
+ input_len = args[1].u.vstring->len; |
|
421 |
+ |
|
422 |
+ /* Set the input property to the class context. */ |
|
423 |
+ JS_COPY (&ctx->input, &args[1]); |
|
424 |
+ } |
|
425 |
+ else |
|
426 |
+ { |
|
427 |
+ sprintf (vm->error, "RegExp(): illegal amount of arguments"); |
|
428 |
+ js_vm_error (vm); |
|
429 |
+ } |
|
430 |
+ |
|
431 |
+ do_exec (vm, ctx, ictx, input, input_len, result_return); |
|
432 |
+ } |
|
433 |
+ else |
|
434 |
+ { |
|
435 |
+ /* |
|
436 |
+ * The `RegExp' was called as a function. We do exactly the |
|
437 |
+ * same the `new RegExp()' would do with our arguments. |
|
438 |
+ */ |
|
439 |
+ new_proc (vm, builtin_info, args, result_return); |
|
440 |
+ } |
|
441 |
+} |
|
442 |
+ |
|
443 |
+/* Property proc. */ |
|
444 |
+static int |
|
445 |
+property (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
446 |
+ void *instance_context, JSSymbol property, int set, JSNode *node) |
|
447 |
+{ |
|
448 |
+ RegexpCtx *ctx = builtin_info->obj_context; |
|
449 |
+ RegexpInstanceCtx *ictx = instance_context; |
|
450 |
+ int index; |
|
451 |
+ |
|
452 |
+ /* Static properties. */ |
|
453 |
+ if (property == ctx->s_S1) |
|
454 |
+ { |
|
455 |
+ index = 1; |
|
456 |
+ |
|
457 |
+ dollar_index: |
|
458 |
+ |
|
459 |
+ if (set) |
|
460 |
+ goto immutable; |
|
461 |
+ |
|
462 |
+ if (ctx->input.type != JS_STRING |
|
463 |
+ || ctx->regs.end[0] > ctx->input.u.vstring->len |
|
464 |
+ || ctx->regs.start[index] < 0) |
|
465 |
+ node->type = JS_UNDEFINED; |
|
466 |
+ else |
|
467 |
+ js_vm_make_string (vm, node, |
|
468 |
+ ctx->input.u.vstring->data |
|
469 |
+ + ctx->regs.start[index], |
|
470 |
+ ctx->regs.end[index] - ctx->regs.start[index]); |
|
471 |
+ } |
|
472 |
+ /* ********************************************************************** */ |
|
473 |
+ else if (property == ctx->s_S2) |
|
474 |
+ { |
|
475 |
+ index = 2; |
|
476 |
+ goto dollar_index; |
|
477 |
+ } |
|
478 |
+ /* ********************************************************************** */ |
|
479 |
+ else if (property == ctx->s_S3) |
|
480 |
+ { |
|
481 |
+ index = 3; |
|
482 |
+ goto dollar_index; |
|
483 |
+ } |
|
484 |
+ /* ********************************************************************** */ |
|
485 |
+ else if (property == ctx->s_S4) |
|
486 |
+ { |
|
487 |
+ index = 4; |
|
488 |
+ goto dollar_index; |
|
489 |
+ } |
|
490 |
+ /* ********************************************************************** */ |
|
491 |
+ else if (property == ctx->s_S5) |
|
492 |
+ { |
|
493 |
+ index = 5; |
|
494 |
+ goto dollar_index; |
|
495 |
+ } |
|
496 |
+ /* ********************************************************************** */ |
|
497 |
+ else if (property == ctx->s_S6) |
|
498 |
+ { |
|
499 |
+ index = 6; |
|
500 |
+ goto dollar_index; |
|
501 |
+ } |
|
502 |
+ /* ********************************************************************** */ |
|
503 |
+ else if (property == ctx->s_S7) |
|
504 |
+ { |
|
505 |
+ index = 7; |
|
506 |
+ goto dollar_index; |
|
507 |
+ } |
|
508 |
+ /* ********************************************************************** */ |
|
509 |
+ else if (property == ctx->s_S8) |
|
510 |
+ { |
|
511 |
+ index = 8; |
|
512 |
+ goto dollar_index; |
|
513 |
+ } |
|
514 |
+ /* ********************************************************************** */ |
|
515 |
+ else if (property == ctx->s_S9) |
|
516 |
+ { |
|
517 |
+ index = 9; |
|
518 |
+ goto dollar_index; |
|
519 |
+ } |
|
520 |
+ /* ********************************************************************** */ |
|
521 |
+ else if (property == ctx->s_S_ || property == ctx->s_input) |
|
522 |
+ { |
|
523 |
+ if (set) |
|
524 |
+ { |
|
525 |
+ if (node->type != JS_STRING) |
|
526 |
+ goto argument_type_error; |
|
527 |
+ |
|
528 |
+ JS_COPY (&ctx->input, node); |
|
529 |
+ } |
|
530 |
+ else |
|
531 |
+ JS_COPY (node, &ctx->input); |
|
532 |
+ } |
|
533 |
+ /* ********************************************************************** */ |
|
534 |
+ else if (property == ctx->s_lastMatch) |
|
535 |
+ { |
|
536 |
+ if (set) |
|
537 |
+ goto immutable; |
|
538 |
+ |
|
539 |
+ if (ctx->input.type != JS_STRING |
|
540 |
+ || ctx->regs.end[0] > ctx->input.u.vstring->len) |
|
541 |
+ node->type = JS_UNDEFINED; |
|
542 |
+ else |
|
543 |
+ js_vm_make_string (vm, node, |
|
544 |
+ ctx->input.u.vstring->data + ctx->regs.start[0], |
|
545 |
+ ctx->regs.end[0] - ctx->regs.start[0]); |
|
546 |
+ } |
|
547 |
+ /* ********************************************************************** */ |
|
548 |
+ else if (property == ctx->s_lastParen) |
|
549 |
+ { |
|
550 |
+ if (set) |
|
551 |
+ goto immutable; |
|
552 |
+ |
|
553 |
+ if (ctx->input.type != JS_STRING |
|
554 |
+ || ctx->regs.end[0] > ctx->input.u.vstring->len) |
|
555 |
+ node->type = JS_UNDEFINED; |
|
556 |
+ else |
|
557 |
+ { |
|
558 |
+ int i; |
|
559 |
+ |
|
560 |
+ for (i = 1; i < ctx->regs.num_regs && ctx->regs.start[i] >= 0; i++) |
|
561 |
+ ; |
|
562 |
+ i--; |
|
563 |
+ if (i == 0) |
|
564 |
+ node->type = JS_UNDEFINED; |
|
565 |
+ else |
|
566 |
+ js_vm_make_string (vm, node, |
|
567 |
+ ctx->input.u.vstring->data |
|
568 |
+ + ctx->regs.start[i], |
|
569 |
+ ctx->regs.end[i] - ctx->regs.start[i]); |
|
570 |
+ } |
|
571 |
+ } |
|
572 |
+ /* ********************************************************************** */ |
|
573 |
+ else if (property == ctx->s_leftContext) |
|
574 |
+ { |
|
575 |
+ if (set) |
|
576 |
+ goto immutable; |
|
577 |
+ |
|
578 |
+ if (ctx->input.type != JS_STRING |
|
579 |
+ || ctx->regs.end[0] > ctx->input.u.vstring->len) |
|
580 |
+ node->type = JS_UNDEFINED; |
|
581 |
+ else |
|
582 |
+ js_vm_make_string (vm, node, ctx->input.u.vstring->data, |
|
583 |
+ ctx->regs.start[0]); |
|
584 |
+ } |
|
585 |
+ /* ********************************************************************** */ |
|
586 |
+ else if (property == ctx->s_multiline) |
|
587 |
+ { |
|
588 |
+ goto not_implemented_yet; |
|
589 |
+ } |
|
590 |
+ /* ********************************************************************** */ |
|
591 |
+ else if (property == ctx->s_rightContext) |
|
592 |
+ { |
|
593 |
+ if (set) |
|
594 |
+ goto immutable; |
|
595 |
+ if (ctx->input.type != JS_STRING |
|
596 |
+ || ctx->regs.end[0] > ctx->input.u.vstring->len) |
|
597 |
+ node->type = JS_UNDEFINED; |
|
598 |
+ else |
|
599 |
+ js_vm_make_string (vm, node, |
|
600 |
+ ctx->input.u.vstring->data + ctx->regs.end[0], |
|
601 |
+ ctx->input.u.vstring->len - ctx->regs.end[0]); |
|
602 |
+ } |
|
603 |
+ /* ********************************************************************** */ |
|
604 |
+ else if (ictx) |
|
605 |
+ { |
|
606 |
+ /* Properties. */ |
|
607 |
+ if (property == ctx->s_global) |
|
608 |
+ { |
|
609 |
+ if (set) |
|
610 |
+ goto immutable; |
|
611 |
+ |
|
612 |
+ node->type = JS_BOOLEAN; |
|
613 |
+ node->u.vboolean = ictx->global; |
|
614 |
+ } |
|
615 |
+ /* ***************************************************************** */ |
|
616 |
+ else if (property == ctx->s_ignoreCase) |
|
617 |
+ { |
|
618 |
+ if (set) |
|
619 |
+ goto immutable; |
|
620 |
+ |
|
621 |
+ node->type = JS_BOOLEAN; |
|
622 |
+ node->u.vboolean = ictx->ignore_case; |
|
623 |
+ } |
|
624 |
+ /* ***************************************************************** */ |
|
625 |
+ else if (property == ctx->s_lastIndex) |
|
626 |
+ { |
|
627 |
+ if (set) |
|
628 |
+ { |
|
629 |
+ if (ictx->immutable) |
|
630 |
+ goto immutable_object; |
|
631 |
+ |
|
632 |
+ if (node->type != JS_INTEGER) |
|
633 |
+ goto argument_type_error; |
|
634 |
+ |
|
635 |
+ ictx->last_index = node->u.vinteger; |
|
636 |
+ } |
|
637 |
+ else |
|
638 |
+ { |
|
639 |
+ node->type = JS_INTEGER; |
|
640 |
+ node->u.vinteger = ictx->last_index; |
|
641 |
+ } |
|
642 |
+ } |
|
643 |
+ /* ***************************************************************** */ |
|
644 |
+ else if (property == ctx->s_source) |
|
645 |
+ { |
|
646 |
+ if (set) |
|
647 |
+ goto immutable; |
|
648 |
+ |
|
649 |
+ js_vm_make_string (vm, node, ictx->source, ictx->source_len); |
|
650 |
+ } |
|
651 |
+ /* ***************************************************************** */ |
|
652 |
+ else |
|
653 |
+ { |
|
654 |
+ if (!set) |
|
655 |
+ node->type = JS_UNDEFINED; |
|
656 |
+ |
|
657 |
+ return JS_PROPERTY_UNKNOWN; |
|
658 |
+ } |
|
659 |
+ } |
|
660 |
+ /* ********************************************************************** */ |
|
661 |
+ else |
|
662 |
+ { |
|
663 |
+ if (!set) |
|
664 |
+ node->type = JS_UNDEFINED; |
|
665 |
+ |
|
666 |
+ return JS_PROPERTY_UNKNOWN; |
|
667 |
+ } |
|
668 |
+ |
|
669 |
+ return JS_PROPERTY_FOUND; |
|
670 |
+ |
|
671 |
+ |
|
672 |
+ /* Error handling. */ |
|
673 |
+ |
|
674 |
+ argument_type_error: |
|
675 |
+ sprintf (vm->error, "RegExp.%s: illegal value", |
|
676 |
+ js_vm_symname (vm, property)); |
|
677 |
+ js_vm_error (vm); |
|
678 |
+ |
|
679 |
+ not_implemented_yet: |
|
680 |
+ sprintf (vm->error, "RegExp.%s: not implemented yet", |
|
681 |
+ js_vm_symname (vm, property)); |
|
682 |
+ js_vm_error (vm); |
|
683 |
+ |
|
684 |
+ immutable: |
|
685 |
+ sprintf (vm->error, "RegExp.%s: immutable property", |
|
686 |
+ js_vm_symname (vm, property)); |
|
687 |
+ js_vm_error (vm); |
|
688 |
+ |
|
689 |
+ immutable_object: |
|
690 |
+ sprintf (vm->error, "RegExp.%s: immutable object", |
|
691 |
+ js_vm_symname (vm, property)); |
|
692 |
+ js_vm_error (vm); |
|
693 |
+ |
|
694 |
+ /* NOTREACHED */ |
|
695 |
+ return 0; |
|
696 |
+} |
|
697 |
+ |
|
698 |
+/* New proc. */ |
|
699 |
+static void |
|
700 |
+new_proc (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, JSNode *args, |
|
701 |
+ JSNode *result_return) |
|
702 |
+{ |
|
703 |
+ unsigned int flags = 0; |
|
704 |
+ char *source; |
|
705 |
+ unsigned int source_len; |
|
706 |
+ int i; |
|
707 |
+ |
|
708 |
+ if (args->u.vinteger > 2) |
|
709 |
+ { |
|
710 |
+ sprintf (vm->error, "new RegExp(): illegal amount of arguments"); |
|
711 |
+ js_vm_error (vm); |
|
712 |
+ } |
|
713 |
+ |
|
714 |
+ if (args->u.vinteger == 0) |
|
715 |
+ { |
|
716 |
+ source = ""; |
|
717 |
+ source_len = 0; |
|
718 |
+ } |
|
719 |
+ else |
|
720 |
+ { |
|
721 |
+ if (args[1].type != JS_STRING) |
|
722 |
+ { |
|
723 |
+ argument_type_error: |
|
724 |
+ sprintf (vm->error, "new RegExp(): illegal argument"); |
|
725 |
+ js_vm_error (vm); |
|
726 |
+ } |
|
727 |
+ |
|
728 |
+ source = args[1].u.vstring->data; |
|
729 |
+ source_len = args[1].u.vstring->len; |
|
730 |
+ } |
|
731 |
+ |
|
732 |
+ if (args->u.vinteger == 2) |
|
733 |
+ { |
|
734 |
+ if (args[2].type != JS_STRING) |
|
735 |
+ goto argument_type_error; |
|
736 |
+ |
|
737 |
+ for (i = 0; i < args[2].u.vstring->len; i++) |
|
738 |
+ switch (args[2].u.vstring->data[i]) |
|
739 |
+ { |
|
740 |
+ case 'g': |
|
741 |
+ flags |= JS_REGEXP_FLAG_G; |
|
742 |
+ break; |
|
743 |
+ |
|
744 |
+ case 'i': |
|
745 |
+ flags |= JS_REGEXP_FLAG_I; |
|
746 |
+ break; |
|
747 |
+ |
|
748 |
+ default: |
|
749 |
+ sprintf (vm->error, "new RegExp(): illegal flag `%c'", |
|
750 |
+ args[2].u.vstring->data[i]); |
|
751 |
+ js_vm_error (vm); |
|
752 |
+ break; |
|
753 |
+ } |
|
754 |
+ } |
|
755 |
+ |
|
756 |
+ js_builtin_RegExp_new (vm, source, source_len, flags, 0, builtin_info, |
|
757 |
+ result_return); |
|
758 |
+} |
|
759 |
+ |
|
760 |
+/* Delete proc. */ |
|
761 |
+static void |
|
762 |
+delete_proc (JSBuiltinInfo *builtin_info, void *instance_context) |
|
763 |
+{ |
|
764 |
+ RegexpInstanceCtx *ictx = instance_context; |
|
765 |
+ |
|
766 |
+ if (ictx) |
|
767 |
+ { |
|
768 |
+ js_free (ictx->source); |
|
769 |
+ |
|
770 |
+ if (ictx->compiled.buffer) |
|
771 |
+ free (ictx->compiled.buffer); |
|
772 |
+ if (ictx->compiled.fastmap) |
|
773 |
+ js_free (ictx->compiled.fastmap); |
|
774 |
+ |
|
775 |
+ js_free (ictx); |
|
776 |
+ } |
|
777 |
+} |
|
778 |
+ |
|
779 |
+/* Mark proc. */ |
|
780 |
+static void |
|
781 |
+mark (JSBuiltinInfo *builtin_info, void *instance_context) |
|
782 |
+{ |
|
783 |
+ RegexpCtx *ctx = builtin_info->obj_context; |
|
784 |
+ |
|
785 |
+ js_vm_mark (&ctx->input); |
|
786 |
+} |
|
787 |
+ |
|
788 |
+/* |
|
789 |
+ * Global functions. |
|
790 |
+ */ |
|
791 |
+ |
|
792 |
+void |
|
793 |
+js_builtin_RegExp (JSVirtualMachine *vm) |
|
794 |
+{ |
|
795 |
+ JSBuiltinInfo *info; |
|
796 |
+ RegexpCtx *ctx; |
|
797 |
+ JSNode *n; |
|
798 |
+ |
|
799 |
+ ctx = js_calloc (vm, 1, sizeof (*ctx)); |
|
800 |
+ |
|
801 |
+ ctx->s_S1 = js_vm_intern (vm, "$1"); |
|
802 |
+ ctx->s_S2 = js_vm_intern (vm, "$2"); |
|
803 |
+ ctx->s_S3 = js_vm_intern (vm, "$3"); |
|
804 |
+ ctx->s_S4 = js_vm_intern (vm, "$4"); |
|
805 |
+ ctx->s_S5 = js_vm_intern (vm, "$5"); |
|
806 |
+ ctx->s_S6 = js_vm_intern (vm, "$6"); |
|
807 |
+ ctx->s_S7 = js_vm_intern (vm, "$7"); |
|
808 |
+ ctx->s_S8 = js_vm_intern (vm, "$8"); |
|
809 |
+ ctx->s_S9 = js_vm_intern (vm, "$9"); |
|
810 |
+ ctx->s_S_ = js_vm_intern (vm, "$_"); |
|
811 |
+ ctx->s_input = js_vm_intern (vm, "input"); |
|
812 |
+ ctx->s_lastMatch = js_vm_intern (vm, "lastMatch"); |
|
813 |
+ ctx->s_lastParen = js_vm_intern (vm, "lastParen"); |
|
814 |
+ ctx->s_leftContext = js_vm_intern (vm, "leftContext"); |
|
815 |
+ ctx->s_multiline = js_vm_intern (vm, "multiline"); |
|
816 |
+ ctx->s_rightContext = js_vm_intern (vm, "rightContext"); |
|
817 |
+ |
|
818 |
+ ctx->s_global = js_vm_intern (vm, "global"); |
|
819 |
+ ctx->s_ignoreCase = js_vm_intern (vm, "ignoreCase"); |
|
820 |
+ ctx->s_lastIndex = js_vm_intern (vm, "lastIndex"); |
|
821 |
+ ctx->s_source = js_vm_intern (vm, "source"); |
|
822 |
+ |
|
823 |
+ ctx->s_compile = js_vm_intern (vm, "compile"); |
|
824 |
+ ctx->s_exec = js_vm_intern (vm, "exec"); |
|
825 |
+ ctx->s_test = js_vm_intern (vm, "test"); |
|
826 |
+ |
|
827 |
+ /* Object information. */ |
|
828 |
+ |
|
829 |
+ info = js_vm_builtin_info_create (vm); |
|
830 |
+ |
|
831 |
+ info->global_method_proc = global_method; |
|
832 |
+ info->method_proc = method; |
|
833 |
+ info->property_proc = property; |
|
834 |
+ info->new_proc = new_proc; |
|
835 |
+ info->delete_proc = delete_proc; |
|
836 |
+ info->mark_proc = mark; |
|
837 |
+ info->obj_context = ctx; |
|
838 |
+ info->obj_context_delete = js_free; |
|
839 |
+ |
|
840 |
+ /* Define it. */ |
|
841 |
+ n = &vm->globals[js_vm_intern (vm, "RegExp")]; |
|
842 |
+ js_vm_builtin_create (vm, n, info, NULL); |
|
843 |
+} |
|
844 |
+ |
|
845 |
+ |
|
846 |
+void |
|
847 |
+js_builtin_RegExp_new (JSVirtualMachine *vm, char *source, |
|
848 |
+ unsigned int source_len, unsigned int flags, |
|
849 |
+ int immutable, JSBuiltinInfo *info, |
|
850 |
+ JSNode *result_return) |
|
851 |
+{ |
|
852 |
+ RegexpInstanceCtx *instance; |
|
853 |
+ const char *error; |
|
854 |
+ |
|
855 |
+ instance = js_calloc (vm, 1, sizeof (*instance)); |
|
856 |
+ |
|
857 |
+ instance->source_len = source_len; |
|
858 |
+ |
|
859 |
+ /* +1 to avoid zero allocation. */ |
|
860 |
+ instance->source = js_malloc (vm, instance->source_len + 1); |
|
861 |
+ memcpy (instance->source, source, instance->source_len); |
|
862 |
+ |
|
863 |
+ instance->global = (flags & JS_REGEXP_FLAG_G) != 0; |
|
864 |
+ instance->ignore_case = (flags & JS_REGEXP_FLAG_I) != 0; |
|
865 |
+ instance->immutable = immutable; |
|
866 |
+ |
|
867 |
+ if (instance->ignore_case) |
|
868 |
+ instance->compiled.translate = js_latin1_tolower; |
|
869 |
+ |
|
870 |
+ error = re_compile_pattern (instance->source, instance->source_len, |
|
871 |
+ &instance->compiled); |
|
872 |
+ if (error) |
|
873 |
+ { |
|
874 |
+ js_free (instance->source); |
|
875 |
+ js_free (instance); |
|
876 |
+ sprintf (vm->error, |
|
877 |
+ "new RegExp(): compilation of the expression failed: %s", |
|
878 |
+ error); |
|
879 |
+ js_vm_error (vm); |
|
880 |
+ } |
|
881 |
+ instance->compiled.fastmap = js_malloc (vm, 256); |
|
882 |
+ re_compile_fastmap (&instance->compiled); |
|
883 |
+ |
|
884 |
+ if (info == NULL) |
|
885 |
+ { |
|
886 |
+ JSNode *n; |
|
887 |
+ |
|
888 |
+ n = &vm->globals[js_vm_intern (vm, "RegExp")]; |
|
889 |
+ info = n->u.vbuiltin->info; |
|
890 |
+ } |
|
891 |
+ |
|
892 |
+ /* Create a new object. */ |
|
893 |
+ js_vm_builtin_create (vm, result_return, info, instance); |
|
894 |
+} |
|
895 |
+ |
|
896 |
+ |
|
897 |
+#define EMIT_TO_RESULT(md, mdl) \ |
|
898 |
+ do { \ |
|
899 |
+ result_return->u.vstring->data \ |
|
900 |
+ = js_vm_realloc (vm, result_return->u.vstring->data, \ |
|
901 |
+ result_return->u.vstring->len + (mdl)); \ |
|
902 |
+ memcpy (result_return->u.vstring->data \ |
|
903 |
+ + result_return->u.vstring->len, \ |
|
904 |
+ (md), (mdl)); \ |
|
905 |
+ result_return->u.vstring->len += (mdl); \ |
|
906 |
+ } while (0) |
|
907 |
+ |
|
908 |
+void |
|
909 |
+js_builtin_RegExp_replace (JSVirtualMachine *vm, char *data, |
|
910 |
+ unsigned int datalen, JSNode *regexp, |
|
911 |
+ char *repl, unsigned int repllen, |
|
912 |
+ JSNode *result_return) |
|
913 |
+{ |
|
914 |
+ int i, j; |
|
915 |
+ RegexpInstanceCtx *ictx = regexp->u.vbuiltin->instance_context; |
|
916 |
+ struct re_registers regs = {0}; |
|
917 |
+ unsigned int substs = 0; |
|
918 |
+ unsigned int pos = 0; |
|
919 |
+ |
|
920 |
+ /* |
|
921 |
+ * Allocate the result string, Let's guess that we need at least |
|
922 |
+ * <datalen> bytes of data. |
|
923 |
+ */ |
|
924 |
+ js_vm_make_string (vm, result_return, NULL, datalen); |
|
925 |
+ result_return->u.vstring->len = 0; |
|
926 |
+ |
|
927 |
+ /* Do searches. */ |
|
928 |
+ while (pos < datalen) |
|
929 |
+ { |
|
930 |
+ i = re_search (&ictx->compiled, data, datalen, pos, datalen - pos, |
|
931 |
+ ®s); |
|
932 |
+ |
|
933 |
+ /* Check what we got. */ |
|
934 |
+ if (i >= 0) |
|
935 |
+ { |
|
936 |
+ /* Emit all up to the first matched character. */ |
|
937 |
+ EMIT_TO_RESULT (data + pos, regs.start[0] - pos); |
|
938 |
+ |
|
939 |
+ /* Check for empty matches. */ |
|
940 |
+ if (regs.end[0] == regs.start[0]) |
|
941 |
+ { |
|
942 |
+ pos = regs.end[0]; |
|
943 |
+ |
|
944 |
+ /* Still something left to search? */ |
|
945 |
+ if (pos < datalen) |
|
946 |
+ { |
|
947 |
+ /* Go one character forward. */ |
|
948 |
+ EMIT_TO_RESULT (data + pos, 1); |
|
949 |
+ pos++; |
|
950 |
+ } |
|
951 |
+ } |
|
952 |
+ else |
|
953 |
+ { |
|
954 |
+ int start; |
|
955 |
+ |
|
956 |
+ /* Not an empty match. */ |
|
957 |
+ substs++; |
|
958 |
+ |
|
959 |
+ /* Interpret replace string. */ |
|
960 |
+ start = 0; |
|
961 |
+ for (i = 0; i < repllen; i++) |
|
962 |
+ { |
|
963 |
+ if (repl[i] == '$') |
|
964 |
+ { |
|
965 |
+ if (i + 1 >= repllen) |
|
966 |
+ /* The last character is '$'. Just emit it. */ |
|
967 |
+ continue; |
|
968 |
+ |
|
969 |
+ /* First, emit all we have collected so far. */ |
|
970 |
+ EMIT_TO_RESULT (repl + start, i - start); |
|
971 |
+ start = i++; |
|
972 |
+ |
|
973 |
+ /* Check tag. */ |
|
974 |
+ switch (repl[i]) |
|
975 |
+ { |
|
976 |
+ case '1': |
|
977 |
+ case '2': |
|
978 |
+ case '3': |
|
979 |
+ case '4': |
|
980 |
+ case '5': |
|
981 |
+ case '6': |
|
982 |
+ case '7': |
|
983 |
+ case '8': |
|
984 |
+ case '9': |
|
985 |
+ /* n:th subexpression. */ |
|
986 |
+ j = repl[i] - '0'; |
|
987 |
+ |
|
988 |
+ if (regs.start[j] >= 0) |
|
989 |
+ EMIT_TO_RESULT (data + regs.start[j], |
|
990 |
+ regs.end[j] - regs.start[j]); |
|
991 |
+ |
|
992 |
+ start = i + 1; |
|
993 |
+ break; |
|
994 |
+ |
|
995 |
+ case '`': |
|
996 |
+ /* Left context. */ |
|
997 |
+ EMIT_TO_RESULT (data, regs.start[0]); |
|
998 |
+ start = i + 1; |
|
999 |
+ break; |
|
1000 |
+ |
|
1001 |
+ case '\'': |
|
1002 |
+ /* Right context. */ |
|
1003 |
+ EMIT_TO_RESULT (data + regs.end[0], |
|
1004 |
+ datalen - regs.end[0]); |
|
1005 |
+ start = i + 1; |
|
1006 |
+ break; |
|
1007 |
+ |
|
1008 |
+ case '&': |
|
1009 |
+ /* Last match. */ |
|
1010 |
+ EMIT_TO_RESULT (data + regs.start[0], |
|
1011 |
+ regs.end[0] - regs.start[0]); |
|
1012 |
+ start = i + 1; |
|
1013 |
+ break; |
|
1014 |
+ |
|
1015 |
+ case '$': |
|
1016 |
+ /* The dollar sign. */ |
|
1017 |
+ EMIT_TO_RESULT ("$", 1); |
|
1018 |
+ start = i + 1; |
|
1019 |
+ break; |
|
1020 |
+ |
|
1021 |
+ case '+': |
|
1022 |
+ default: |
|
1023 |
+ /* Ignore. */ |
|
1024 |
+ start = i - 1; |
|
1025 |
+ break; |
|
1026 |
+ } |
|
1027 |
+ } |
|
1028 |
+ } |
|
1029 |
+ |
|
1030 |
+ /* Emit all leftovers. */ |
|
1031 |
+ EMIT_TO_RESULT (repl + start, i - start); |
|
1032 |
+ |
|
1033 |
+ /* Update search position. */ |
|
1034 |
+ pos = regs.end[0]; |
|
1035 |
+ } |
|
1036 |
+ } |
|
1037 |
+ else |
|
1038 |
+ break; |
|
1039 |
+ |
|
1040 |
+ if (!ictx->global && substs > 0) |
|
1041 |
+ /* Substitute only the first match. */ |
|
1042 |
+ break; |
|
1043 |
+ } |
|
1044 |
+ |
|
1045 |
+ /* No more matches. Emit the rest of the string to the result. */ |
|
1046 |
+ EMIT_TO_RESULT (data + pos, datalen - pos); |
|
1047 |
+ |
|
1048 |
+ if (regs.start) |
|
1049 |
+ free (regs.start); |
|
1050 |
+ if (regs.end) |
|
1051 |
+ free (regs.end); |
|
1052 |
+} |
|
1053 |
+ |
|
1054 |
+ |
|
1055 |
+void |
|
1056 |
+js_builtin_RegExp_match (JSVirtualMachine *vm, char *data, |
|
1057 |
+ unsigned int datalen, JSNode *regexp, |
|
1058 |
+ JSNode *result_return) |
|
1059 |
+{ |
|
1060 |
+ do_exec (vm, regexp->u.vbuiltin->info->obj_context, |
|
1061 |
+ regexp->u.vbuiltin->instance_context, data, datalen, |
|
1062 |
+ result_return); |
|
1063 |
+} |
|
1064 |
+ |
|
1065 |
+ |
|
1066 |
+void |
|
1067 |
+js_builtin_RegExp_search (JSVirtualMachine *vm, char *data, |
|
1068 |
+ unsigned int datalen, JSNode *regexp, |
|
1069 |
+ JSNode *result_return) |
|
1070 |
+{ |
|
1071 |
+ RegexpCtx *ctx = regexp->u.vbuiltin->info->obj_context; |
|
1072 |
+ RegexpInstanceCtx *ictx = regexp->u.vbuiltin->instance_context; |
|
1073 |
+ |
|
1074 |
+ result_return->type = JS_INTEGER; |
|
1075 |
+ result_return->u.vinteger = re_search (&ictx->compiled, data, datalen, |
|
1076 |
+ ictx->global ? ictx->last_index : 0, |
|
1077 |
+ datalen, &ctx->regs); |
|
1078 |
+ |
|
1079 |
+ if (result_return->u.vinteger >= 0) |
|
1080 |
+ ictx->last_index = ctx->regs.end[0]; |
|
1081 |
+} |
|
1082 |
+ |
|
1083 |
+ |
|
1084 |
+void |
|
1085 |
+js_builtin_RegExp_split (JSVirtualMachine *vm, char *data, |
|
1086 |
+ unsigned int datalen, JSNode *regexp, |
|
1087 |
+ unsigned int limit, JSNode *result_return) |
|
1088 |
+{ |
|
1089 |
+ unsigned int start = 0, pos; |
|
1090 |
+ unsigned int alen = 0; |
|
1091 |
+ RegexpInstanceCtx *ictx = regexp->u.vbuiltin->instance_context; |
|
1092 |
+ struct re_registers regs = {0}; |
|
1093 |
+ int i; |
|
1094 |
+ |
|
1095 |
+ js_vm_make_array (vm, result_return, alen); |
|
1096 |
+ |
|
1097 |
+ for (pos = 0; alen < limit && pos <= datalen; ) |
|
1098 |
+ { |
|
1099 |
+ i = re_search (&ictx->compiled, data, datalen, pos, datalen - pos, |
|
1100 |
+ ®s); |
|
1101 |
+ if (i < 0) |
|
1102 |
+ { |
|
1103 |
+ pos = datalen; |
|
1104 |
+ break; |
|
1105 |
+ } |
|
1106 |
+ |
|
1107 |
+ /* Found the separator. */ |
|
1108 |
+ js_vm_expand_array (vm, result_return, alen + 1); |
|
1109 |
+ js_vm_make_string (vm, &result_return->u.varray->data[alen], |
|
1110 |
+ data + start, regs.start[0] - start); |
|
1111 |
+ alen++; |
|
1112 |
+ |
|
1113 |
+ if (regs.end[0] == pos) |
|
1114 |
+ { |
|
1115 |
+ /* We didn't advance in the string. */ |
|
1116 |
+ start = regs.end[0]; |
|
1117 |
+ pos++; |
|
1118 |
+ } |
|
1119 |
+ else |
|
1120 |
+ pos = start = regs.end[0]; |
|
1121 |
+ } |
|
1122 |
+ |
|
1123 |
+ if (alen < limit) |
|
1124 |
+ { |
|
1125 |
+ /* Insert all leftovers. */ |
|
1126 |
+ js_vm_expand_array (vm, result_return, alen + 1); |
|
1127 |
+ js_vm_make_string (vm, &result_return->u.varray->data[alen], |
|
1128 |
+ data + start, datalen - start); |
|
1129 |
+ } |
|
1130 |
+ |
|
1131 |
+ if (regs.start) |
|
1132 |
+ free (regs.start); |
|
1133 |
+ if (regs.end) |
|
1134 |
+ free (regs.end); |
|
1135 |
+} |
0 | 1136 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,937 @@ |
0 |
+/* |
|
1 |
+ * The builtin String object. |
|
2 |
+ * Copyright (c) 1998-1999 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/b_string.c,v $ |
|
26 |
+ * $Id: b_string.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+/* TODO: global method: String (obj) => string */ |
|
30 |
+ |
|
31 |
+#include "jsint.h" |
|
32 |
+ |
|
33 |
+/* |
|
34 |
+ * Types and definitions. |
|
35 |
+ */ |
|
36 |
+ |
|
37 |
+#define UNPACK_NEED(n) \ |
|
38 |
+ do { \ |
|
39 |
+ if (bufpos + (n) > buflen) \ |
|
40 |
+ { \ |
|
41 |
+ sprintf (vm->error, \ |
|
42 |
+ "String.%s(): too short string for the format", \ |
|
43 |
+ js_vm_symname (vm, method)); \ |
|
44 |
+ js_vm_error (vm); \ |
|
45 |
+ } \ |
|
46 |
+ } while (0) |
|
47 |
+ |
|
48 |
+#define UNPACK_EXPAND() \ |
|
49 |
+ do { \ |
|
50 |
+ js_vm_expand_array (vm, result_return, result_len + 1); \ |
|
51 |
+ rnode = &result_return->u.varray->data[result_len]; \ |
|
52 |
+ result_len++; \ |
|
53 |
+ } while (0) |
|
54 |
+ |
|
55 |
+/* Class context. */ |
|
56 |
+struct string_ctx_st |
|
57 |
+{ |
|
58 |
+ JSSymbol s_length; |
|
59 |
+ |
|
60 |
+ JSSymbol s_append; |
|
61 |
+ JSSymbol s_charAt; |
|
62 |
+ JSSymbol s_charCodeAt; |
|
63 |
+ JSSymbol s_concat; |
|
64 |
+ JSSymbol s_crc32; |
|
65 |
+ JSSymbol s_fromCharCode; |
|
66 |
+ JSSymbol s_indexOf; |
|
67 |
+ JSSymbol s_lastIndexOf; |
|
68 |
+ JSSymbol s_match; |
|
69 |
+ JSSymbol s_pack; |
|
70 |
+ JSSymbol s_replace; |
|
71 |
+ JSSymbol s_search; |
|
72 |
+ JSSymbol s_slice; |
|
73 |
+ JSSymbol s_split; |
|
74 |
+ JSSymbol s_substr; |
|
75 |
+ JSSymbol s_substring; |
|
76 |
+ JSSymbol s_toLowerCase; |
|
77 |
+ JSSymbol s_toUpperCase; |
|
78 |
+ JSSymbol s_unpack; |
|
79 |
+ |
|
80 |
+ /* Data we need to implement the RegExp related stuffs. */ |
|
81 |
+ JSBuiltinInfo *regexp_info; |
|
82 |
+}; |
|
83 |
+ |
|
84 |
+typedef struct string_ctx_st StringCtx; |
|
85 |
+ |
|
86 |
+ |
|
87 |
+/* |
|
88 |
+ * Static functions. |
|
89 |
+ */ |
|
90 |
+ |
|
91 |
+/* Global method proc. */ |
|
92 |
+static void |
|
93 |
+global_method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
94 |
+ void *instance_context, JSNode *result_return, |
|
95 |
+ JSNode *args) |
|
96 |
+{ |
|
97 |
+ if (args->u.vinteger == 0) |
|
98 |
+ js_vm_make_static_string (vm, result_return, "", 0); |
|
99 |
+ else if (args->u.vinteger == 1) |
|
100 |
+ js_vm_to_string (vm, &args[1], result_return); |
|
101 |
+ else |
|
102 |
+ { |
|
103 |
+ sprintf (vm->error, "String(): illegal amount of arguments"); |
|
104 |
+ js_vm_error (vm); |
|
105 |
+ } |
|
106 |
+} |
|
107 |
+ |
|
108 |
+/* Method proc. */ |
|
109 |
+static int |
|
110 |
+method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
111 |
+ void *instance_context, JSSymbol method, JSNode *result_return, |
|
112 |
+ JSNode *args) |
|
113 |
+{ |
|
114 |
+ StringCtx *ctx = builtin_info->obj_context; |
|
115 |
+ JSNode *n = instance_context; |
|
116 |
+ unsigned int ui; |
|
117 |
+ int i; |
|
118 |
+ |
|
119 |
+ /* |
|
120 |
+ * Static methods. |
|
121 |
+ */ |
|
122 |
+ |
|
123 |
+ if (method == ctx->s_fromCharCode) |
|
124 |
+ { |
|
125 |
+ js_vm_make_string (vm, result_return, NULL, args->u.vinteger); |
|
126 |
+ |
|
127 |
+ for (i = 0; i < args->u.vinteger; i++) |
|
128 |
+ { |
|
129 |
+ if (args[1 + i].type != JS_INTEGER) |
|
130 |
+ goto argument_type_error; |
|
131 |
+ |
|
132 |
+ result_return->u.vstring->data[i] |
|
133 |
+ = (unsigned char) args[1 + i].u.vinteger; |
|
134 |
+ } |
|
135 |
+ } |
|
136 |
+ /* ********************************************************************** */ |
|
137 |
+ else if (method == ctx->s_pack) |
|
138 |
+ { |
|
139 |
+ unsigned int op; |
|
140 |
+ unsigned int arg = 2; |
|
141 |
+ JSUInt32 ui; |
|
142 |
+ double dval; |
|
143 |
+ unsigned char *buffer = NULL; |
|
144 |
+ unsigned int bufpos = 0; |
|
145 |
+ |
|
146 |
+ if (args->u.vinteger < 1) |
|
147 |
+ goto argument_error; |
|
148 |
+ if (args[1].type != JS_STRING) |
|
149 |
+ goto argument_type_error; |
|
150 |
+ |
|
151 |
+ for (op = 0; op < args[1].u.vstring->len; op++) |
|
152 |
+ { |
|
153 |
+ if (arg >= args->u.vinteger + 1) |
|
154 |
+ { |
|
155 |
+ sprintf (vm->error, "String.%s(): too few arguments for format", |
|
156 |
+ js_vm_symname (vm, method)); |
|
157 |
+ js_vm_error (vm); |
|
158 |
+ } |
|
159 |
+ |
|
160 |
+ switch (args[1].u.vstring->data[op]) |
|
161 |
+ { |
|
162 |
+ case 'C': |
|
163 |
+ if (args[arg].type != JS_INTEGER) |
|
164 |
+ goto argument_type_error; |
|
165 |
+ |
|
166 |
+ buffer = js_vm_realloc (vm, buffer, bufpos + 1); |
|
167 |
+ buffer[bufpos++] = (unsigned char) args[arg++].u.vinteger; |
|
168 |
+ break; |
|
169 |
+ |
|
170 |
+ case 'n': |
|
171 |
+ if (args[arg].type != JS_INTEGER) |
|
172 |
+ goto argument_type_error; |
|
173 |
+ |
|
174 |
+ ui = args[arg++].u.vinteger; |
|
175 |
+ |
|
176 |
+ buffer = js_vm_realloc (vm, buffer, bufpos + 2); |
|
177 |
+ buffer[bufpos++] = (unsigned char) ((ui & 0x0000ff00) >> 8); |
|
178 |
+ buffer[bufpos++] = (unsigned char) (ui & 0x000000ff); |
|
179 |
+ break; |
|
180 |
+ |
|
181 |
+ case 'N': |
|
182 |
+ if (args[arg].type != JS_INTEGER) |
|
183 |
+ goto argument_type_error; |
|
184 |
+ |
|
185 |
+ ui = args[arg++].u.vinteger; |
|
186 |
+ |
|
187 |
+ buffer = js_vm_realloc (vm, buffer, bufpos + 4); |
|
188 |
+ buffer[bufpos++] = (unsigned char) ((ui & 0xff000000) >> 24); |
|
189 |
+ buffer[bufpos++] = (unsigned char) ((ui & 0x00ff0000) >> 16); |
|
190 |
+ buffer[bufpos++] = (unsigned char) ((ui & 0x0000ff00) >> 8); |
|
191 |
+ buffer[bufpos++] = (unsigned char) ((ui & 0x000000ff)); |
|
192 |
+ break; |
|
193 |
+ |
|
194 |
+ case 'd': |
|
195 |
+ if (args[arg].type != JS_INTEGER && args[arg].type != JS_FLOAT) |
|
196 |
+ goto argument_type_error; |
|
197 |
+ |
|
198 |
+ if (args[arg].type == JS_INTEGER) |
|
199 |
+ dval = (double) args[arg].u.vinteger; |
|
200 |
+ else |
|
201 |
+ dval = args[arg].u.vfloat; |
|
202 |
+ arg++; |
|
203 |
+ |
|
204 |
+ buffer = js_vm_realloc (vm, buffer, bufpos + sizeof (double)); |
|
205 |
+ memcpy (buffer + bufpos, &dval, sizeof (double)); |
|
206 |
+ bufpos += sizeof (double); |
|
207 |
+ break; |
|
208 |
+ |
|
209 |
+ default: |
|
210 |
+ /* Silently ignore it. */ |
|
211 |
+ break; |
|
212 |
+ } |
|
213 |
+ } |
|
214 |
+ |
|
215 |
+ js_vm_make_static_string (vm, result_return, buffer, bufpos); |
|
216 |
+ result_return->u.vstring->staticp = 0; |
|
217 |
+ } |
|
218 |
+ /* ********************************************************************** */ |
|
219 |
+ else if (method == vm->syms.s_toString) |
|
220 |
+ { |
|
221 |
+ if (n) |
|
222 |
+ JS_COPY (result_return, n); |
|
223 |
+ else |
|
224 |
+ js_vm_make_static_string (vm, result_return, "String", 6); |
|
225 |
+ } |
|
226 |
+ /* ********************************************************************** */ |
|
227 |
+ else if (method == vm->syms.s_valueOf) |
|
228 |
+ { |
|
229 |
+ if (n) |
|
230 |
+ JS_COPY (result_return, n); |
|
231 |
+ else |
|
232 |
+ { |
|
233 |
+ n = &vm->globals[js_vm_intern (vm, "String")]; |
|
234 |
+ JS_COPY (result_return, n); |
|
235 |
+ } |
|
236 |
+ } |
|
237 |
+ /* ********************************************************************** */ |
|
238 |
+ else if (n) |
|
239 |
+ { |
|
240 |
+ /* |
|
241 |
+ * Instance methods. |
|
242 |
+ */ |
|
243 |
+ |
|
244 |
+ if (method == ctx->s_append) |
|
245 |
+ { |
|
246 |
+ if (args->u.vinteger != 1) |
|
247 |
+ goto argument_error; |
|
248 |
+ |
|
249 |
+ if (n->u.vstring->staticp) |
|
250 |
+ { |
|
251 |
+ sprintf (vm->error, |
|
252 |
+ "String.%s(): can't append to a static string", |
|
253 |
+ js_vm_symname (vm, method)); |
|
254 |
+ js_vm_error (vm); |
|
255 |
+ } |
|
256 |
+ |
|
257 |
+ if (args[1].type == JS_STRING) |
|
258 |
+ { |
|
259 |
+ /* Append a string. */ |
|
260 |
+ n->u.vstring->data = js_vm_realloc (vm, n->u.vstring->data, |
|
261 |
+ n->u.vstring->len |
|
262 |
+ + args[1].u.vstring->len); |
|
263 |
+ memcpy (n->u.vstring->data + n->u.vstring->len, |
|
264 |
+ args[1].u.vstring->data, |
|
265 |
+ args[1].u.vstring->len); |
|
266 |
+ n->u.vstring->len += args[1].u.vstring->len; |
|
267 |
+ } |
|
268 |
+ else if (args[1].type == JS_INTEGER) |
|
269 |
+ { |
|
270 |
+ /* Append a character. */ |
|
271 |
+ n->u.vstring->data = js_vm_realloc (vm, n->u.vstring->data, |
|
272 |
+ n->u.vstring->len + 1); |
|
273 |
+ n->u.vstring->data[n->u.vstring->len++] |
|
274 |
+ = (unsigned char) args[1].u.vinteger; |
|
275 |
+ } |
|
276 |
+ else |
|
277 |
+ goto argument_type_error; |
|
278 |
+ } |
|
279 |
+ /* ***************************************************************** */ |
|
280 |
+ else if (method == ctx->s_charAt) |
|
281 |
+ { |
|
282 |
+ if (args->u.vinteger != 1) |
|
283 |
+ goto argument_error; |
|
284 |
+ if (args[1].type != JS_INTEGER) |
|
285 |
+ goto argument_type_error; |
|
286 |
+ |
|
287 |
+ js_vm_make_string (vm, result_return, NULL, 1); |
|
288 |
+ |
|
289 |
+ ui = args[1].u.vinteger; |
|
290 |
+ |
|
291 |
+ if (ui >= n->u.vstring->len) |
|
292 |
+ result_return->u.vstring->len = 0; |
|
293 |
+ else |
|
294 |
+ result_return->u.vstring->data[0] = n->u.vstring->data[ui]; |
|
295 |
+ } |
|
296 |
+ /* ***************************************************************** */ |
|
297 |
+ else if (method == ctx->s_charCodeAt) |
|
298 |
+ { |
|
299 |
+ if (args->u.vinteger == 0) |
|
300 |
+ ui = 0; |
|
301 |
+ else if (args->u.vinteger == 1) |
|
302 |
+ { |
|
303 |
+ if (args[1].type != JS_INTEGER) |
|
304 |
+ goto argument_type_error; |
|
305 |
+ ui = args[1].u.vinteger; |
|
306 |
+ } |
|
307 |
+ else |
|
308 |
+ goto argument_error; |
|
309 |
+ |
|
310 |
+ if (ui >= n->u.vstring->len) |
|
311 |
+ { |
|
312 |
+ sprintf (vm->error, "String.%s(): index out of range", |
|
313 |
+ js_vm_symname (vm, method)); |
|
314 |
+ js_vm_error (vm); |
|
315 |
+ } |
|
316 |
+ |
|
317 |
+ result_return->type = JS_INTEGER; |
|
318 |
+ result_return->u.vinteger = n->u.vstring->data[ui]; |
|
319 |
+ } |
|
320 |
+ /* ***************************************************************** */ |
|
321 |
+ else if (method == ctx->s_concat) |
|
322 |
+ { |
|
323 |
+ int nlen, pos; |
|
324 |
+ |
|
325 |
+ /* Count the new length. */ |
|
326 |
+ |
|
327 |
+ nlen = n->u.vstring->len; |
|
328 |
+ |
|
329 |
+ for (i = 0; i < args->u.vinteger; i++) |
|
330 |
+ { |
|
331 |
+ if (args[i + 1].type != JS_STRING) |
|
332 |
+ goto argument_type_error; |
|
333 |
+ nlen += args[i + 1].u.vstring->len; |
|
334 |
+ } |
|
335 |
+ |
|
336 |
+ js_vm_make_string (vm, result_return, NULL, nlen); |
|
337 |
+ |
|
338 |
+ memcpy (result_return->u.vstring->data, n->u.vstring->data, |
|
339 |
+ n->u.vstring->len); |
|
340 |
+ |
|
341 |
+ /* Append the argumens. */ |
|
342 |
+ |
|
343 |
+ pos = n->u.vstring->len; |
|
344 |
+ |
|
345 |
+ for (i = 0; i < args->u.vinteger; i++) |
|
346 |
+ { |
|
347 |
+ memcpy (result_return->u.vstring->data + pos, |
|
348 |
+ args[i + 1].u.vstring->data, args[i + 1].u.vstring->len); |
|
349 |
+ pos += args[i + 1].u.vstring->len; |
|
350 |
+ } |
|
351 |
+ } |
|
352 |
+ /* ***************************************************************** */ |
|
353 |
+ else if (method == ctx->s_crc32) |
|
354 |
+ { |
|
355 |
+ if (args->u.vinteger != 0) |
|
356 |
+ goto argument_error; |
|
357 |
+ |
|
358 |
+ result_return->type = JS_INTEGER; |
|
359 |
+ result_return->u.vinteger = js_crc32 (n->u.vstring->data, |
|
360 |
+ n->u.vstring->len); |
|
361 |
+ } |
|
362 |
+ /* ***************************************************************** */ |
|
363 |
+ else if (method == ctx->s_indexOf) |
|
364 |
+ { |
|
365 |
+ int start_index = 0; |
|
366 |
+ |
|
367 |
+ if (args->u.vinteger < 1 || args->u.vinteger > 2) |
|
368 |
+ goto argument_error; |
|
369 |
+ if (args[1].type != JS_STRING) |
|
370 |
+ goto argument_type_error; |
|
371 |
+ |
|
372 |
+ if (args->u.vinteger == 2) |
|
373 |
+ { |
|
374 |
+ if (args[2].type != JS_INTEGER) |
|
375 |
+ goto argument_type_error; |
|
376 |
+ |
|
377 |
+ start_index = args[2].u.vinteger; |
|
378 |
+ } |
|
379 |
+ |
|
380 |
+ result_return->type = JS_INTEGER; |
|
381 |
+ result_return->u.vinteger = -1; |
|
382 |
+ |
|
383 |
+ if (start_index >= 0 |
|
384 |
+ && start_index + args[1].u.vstring->len <= n->u.vstring->len) |
|
385 |
+ { |
|
386 |
+ /* Use the Brute Force Luke! */ |
|
387 |
+ for (; start_index + args[1].u.vstring->len <= n->u.vstring->len; |
|
388 |
+ start_index++) |
|
389 |
+ if (memcmp (n->u.vstring->data + start_index, |
|
390 |
+ args[1].u.vstring->data, |
|
391 |
+ args[1].u.vstring->len) == 0) |
|
392 |
+ { |
|
393 |
+ result_return->u.vinteger = start_index; |
|
394 |
+ break; |
|
395 |
+ } |
|
396 |
+ } |
|
397 |
+ } |
|
398 |
+ /* ***************************************************************** */ |
|
399 |
+ else if (method == ctx->s_lastIndexOf) |
|
400 |
+ { |
|
401 |
+ int start_index; |
|
402 |
+ |
|
403 |
+ if (args->u.vinteger < 1 || args->u.vinteger > 2) |
|
404 |
+ goto argument_error; |
|
405 |
+ if (args[1].type != JS_STRING) |
|
406 |
+ goto argument_type_error; |
|
407 |
+ |
|
408 |
+ if (args->u.vinteger == 2) |
|
409 |
+ { |
|
410 |
+ if (args[2].type != JS_INTEGER) |
|
411 |
+ goto argument_type_error; |
|
412 |
+ |
|
413 |
+ start_index = args[2].u.vinteger; |
|
414 |
+ } |
|
415 |
+ else |
|
416 |
+ start_index = n->u.vstring->len - args[1].u.vstring->len; |
|
417 |
+ |
|
418 |
+ result_return->type = JS_INTEGER; |
|
419 |
+ result_return->u.vinteger = -1; |
|
420 |
+ |
|
421 |
+ if (start_index >= 0 |
|
422 |
+ && start_index + args[1].u.vstring->len <= n->u.vstring->len) |
|
423 |
+ { |
|
424 |
+ for (; start_index >= 0; start_index--) |
|
425 |
+ if (memcmp (n->u.vstring->data + start_index, |
|
426 |
+ args[1].u.vstring->data, |
|
427 |
+ args[1].u.vstring->len) == 0) |
|
428 |
+ { |
|
429 |
+ result_return->u.vinteger = start_index; |
|
430 |
+ break; |
|
431 |
+ } |
|
432 |
+ } |
|
433 |
+ } |
|
434 |
+ /* ***************************************************************** */ |
|
435 |
+ else if (method == ctx->s_match) |
|
436 |
+ { |
|
437 |
+ if (args->u.vinteger != 1) |
|
438 |
+ goto argument_error; |
|
439 |
+ |
|
440 |
+ if (args[1].type != JS_BUILTIN |
|
441 |
+ || args[1].u.vbuiltin->info != ctx->regexp_info) |
|
442 |
+ goto argument_type_error; |
|
443 |
+ |
|
444 |
+ js_builtin_RegExp_match (vm, n->u.vstring->data, n->u.vstring->len, |
|
445 |
+ &args[1], result_return); |
|
446 |
+ } |
|
447 |
+ /* ***************************************************************** */ |
|
448 |
+ else if (method == ctx->s_replace) |
|
449 |
+ { |
|
450 |
+ if (args->u.vinteger != 2) |
|
451 |
+ goto argument_error; |
|
452 |
+ |
|
453 |
+ if (args[1].type != JS_BUILTIN |
|
454 |
+ || args[1].u.vbuiltin->info != ctx->regexp_info |
|
455 |
+ || args[2].type != JS_STRING) |
|
456 |
+ goto argument_type_error; |
|
457 |
+ |
|
458 |
+ js_builtin_RegExp_replace (vm, n->u.vstring->data, n->u.vstring->len, |
|
459 |
+ &args[1], args[2].u.vstring->data, |
|
460 |
+ args[2].u.vstring->len, result_return); |
|
461 |
+ } |
|
462 |
+ /* ***************************************************************** */ |
|
463 |
+ else if (method == ctx->s_search) |
|
464 |
+ { |
|
465 |
+ if (args->u.vinteger != 1) |
|
466 |
+ goto argument_error; |
|
467 |
+ |
|
468 |
+ if (args[1].type != JS_BUILTIN |
|
469 |
+ || args[1].u.vbuiltin->info != ctx->regexp_info) |
|
470 |
+ goto argument_type_error; |
|
471 |
+ |
|
472 |
+ js_builtin_RegExp_search (vm, n->u.vstring->data, n->u.vstring->len, |
|
473 |
+ &args[1], result_return); |
|
474 |
+ } |
|
475 |
+ /* ***************************************************************** */ |
|
476 |
+ else if (method == ctx->s_slice) |
|
477 |
+ { |
|
478 |
+ int start, end; |
|
479 |
+ |
|
480 |
+ if (args->u.vinteger != 1 && args->u.vinteger != 2) |
|
481 |
+ goto argument_error; |
|
482 |
+ |
|
483 |
+ if (args[1].type != JS_INTEGER) |
|
484 |
+ goto argument_type_error; |
|
485 |
+ |
|
486 |
+ start = args[1].u.vinteger; |
|
487 |
+ if (start < 0) |
|
488 |
+ start += n->u.vstring->len; |
|
489 |
+ if (start < 0) |
|
490 |
+ start = 0; |
|
491 |
+ if (start > n->u.vstring->len) |
|
492 |
+ start = n->u.vstring->len; |
|
493 |
+ |
|
494 |
+ if (args->u.vinteger == 2) |
|
495 |
+ { |
|
496 |
+ if (args[2].type != JS_INTEGER) |
|
497 |
+ goto argument_type_error; |
|
498 |
+ |
|
499 |
+ end = args[2].u.vinteger; |
|
500 |
+ if (end < 0) |
|
501 |
+ end += n->u.vstring->len; |
|
502 |
+ if (end < 0) |
|
503 |
+ end = 0; |
|
504 |
+ if (end > n->u.vstring->len) |
|
505 |
+ end = n->u.vstring->len; |
|
506 |
+ } |
|
507 |
+ else |
|
508 |
+ end = n->u.vstring->len; |
|
509 |
+ |
|
510 |
+ if (start > end) |
|
511 |
+ end = start; |
|
512 |
+ |
|
513 |
+ js_vm_make_string (vm, result_return, n->u.vstring->data + start, |
|
514 |
+ end - start); |
|
515 |
+ } |
|
516 |
+ /* ***************************************************************** */ |
|
517 |
+ else if (method == ctx->s_split) |
|
518 |
+ { |
|
519 |
+ if (args->u.vinteger == 0) |
|
520 |
+ { |
|
521 |
+ js_vm_make_array (vm, result_return, 1); |
|
522 |
+ js_vm_make_string (vm, &result_return->u.varray->data[0], |
|
523 |
+ n->u.vstring->data, n->u.vstring->len); |
|
524 |
+ } |
|
525 |
+ else |
|
526 |
+ { |
|
527 |
+ unsigned int limit; |
|
528 |
+ |
|
529 |
+ if (args->u.vinteger == 1) |
|
530 |
+ limit = -1; |
|
531 |
+ else if (args->u.vinteger == 2) |
|
532 |
+ { |
|
533 |
+ if (args[2].type != JS_INTEGER) |
|
534 |
+ goto argument_type_error; |
|
535 |
+ |
|
536 |
+ limit = args[2].u.vinteger; |
|
537 |
+ } |
|
538 |
+ else |
|
539 |
+ goto argument_error; |
|
540 |
+ |
|
541 |
+ if (args[1].type == JS_STRING) |
|
542 |
+ { |
|
543 |
+ unsigned int start = 0, pos; |
|
544 |
+ unsigned int alen = 0; |
|
545 |
+ |
|
546 |
+ js_vm_make_array (vm, result_return, alen); |
|
547 |
+ |
|
548 |
+ for (pos = 0; |
|
549 |
+ (alen < limit |
|
550 |
+ && pos + args[1].u.vstring->len <= n->u.vstring->len); |
|
551 |
+ ) |
|
552 |
+ { |
|
553 |
+ if (memcmp (n->u.vstring->data + pos, |
|
554 |
+ args[1].u.vstring->data, |
|
555 |
+ args[1].u.vstring->len) == 0) |
|
556 |
+ { |
|
557 |
+ /* Found the separator. */ |
|
558 |
+ js_vm_expand_array (vm, result_return, alen + 1); |
|
559 |
+ js_vm_make_string (vm, |
|
560 |
+ &(result_return |
|
561 |
+ ->u.varray->data[alen]), |
|
562 |
+ n->u.vstring->data + start, |
|
563 |
+ pos - start); |
|
564 |
+ alen++; |
|
565 |
+ |
|
566 |
+ if (args[1].u.vstring->len == 0) |
|
567 |
+ { |
|
568 |
+ start = pos; |
|
569 |
+ pos++; |
|
570 |
+ } |
|
571 |
+ else |
|
572 |
+ { |
|
573 |
+ pos += args[1].u.vstring->len; |
|
574 |
+ start = pos; |
|
575 |
+ } |
|
576 |
+ } |
|
577 |
+ else |
|
578 |
+ pos++; |
|
579 |
+ } |
|
580 |
+ |
|
581 |
+ if (alen < limit) |
|
582 |
+ { |
|
583 |
+ /* And finally, insert all leftovers. */ |
|
584 |
+ js_vm_expand_array (vm, result_return, alen + 1); |
|
585 |
+ js_vm_make_string (vm, |
|
586 |
+ &result_return->u.varray->data[alen], |
|
587 |
+ n->u.vstring->data + start, |
|
588 |
+ n->u.vstring->len - start); |
|
589 |
+ } |
|
590 |
+ } |
|
591 |
+ else if (args[1].type == JS_BUILTIN |
|
592 |
+ && args[1].u.vbuiltin->info == ctx->regexp_info) |
|
593 |
+ { |
|
594 |
+ js_builtin_RegExp_split (vm, n->u.vstring->data, |
|
595 |
+ n->u.vstring->len, &args[1], |
|
596 |
+ limit, result_return); |
|
597 |
+ } |
|
598 |
+ else |
|
599 |
+ goto argument_type_error; |
|
600 |
+ } |
|
601 |
+ } |
|
602 |
+ /* ***************************************************************** */ |
|
603 |
+ else if (method == ctx->s_substr) |
|
604 |
+ { |
|
605 |
+ int start, length; |
|
606 |
+ |
|
607 |
+ if (args->u.vinteger != 1 && args->u.vinteger != 2) |
|
608 |
+ goto argument_error; |
|
609 |
+ |
|
610 |
+ if (args[1].type != JS_INTEGER) |
|
611 |
+ goto argument_type_error; |
|
612 |
+ |
|
613 |
+ start = args[1].u.vinteger; |
|
614 |
+ |
|
615 |
+ if (args->u.vinteger == 2) |
|
616 |
+ { |
|
617 |
+ if (args[2].type != JS_INTEGER) |
|
618 |
+ goto argument_type_error; |
|
619 |
+ |
|
620 |
+ length = args[2].u.vinteger; |
|
621 |
+ if (length < 0) |
|
622 |
+ length = 0; |
|
623 |
+ } |
|
624 |
+ else |
|
625 |
+ length = n->u.vstring->len; |
|
626 |
+ |
|
627 |
+ if (start < 0) |
|
628 |
+ start += n->u.vstring->len; |
|
629 |
+ if (start < 0) |
|
630 |
+ start = 0; |
|
631 |
+ if (start > n->u.vstring->len) |
|
632 |
+ start = n->u.vstring->len; |
|
633 |
+ |
|
634 |
+ if (start + length > n->u.vstring->len) |
|
635 |
+ length = n->u.vstring->len - start; |
|
636 |
+ |
|
637 |
+ js_vm_make_string (vm, result_return, n->u.vstring->data + start, |
|
638 |
+ length); |
|
639 |
+ } |
|
640 |
+ /* ***************************************************************** */ |
|
641 |
+ else if (method == ctx->s_substring) |
|
642 |
+ { |
|
643 |
+ int start, end; |
|
644 |
+ |
|
645 |
+ if (args->u.vinteger != 1 && args->u.vinteger != 2) |
|
646 |
+ goto argument_error; |
|
647 |
+ |
|
648 |
+ if (args[1].type != JS_INTEGER) |
|
649 |
+ goto argument_type_error; |
|
650 |
+ |
|
651 |
+ start = args[1].u.vinteger; |
|
652 |
+ |
|
653 |
+ if (args->u.vinteger == 2) |
|
654 |
+ { |
|
655 |
+ if (args[2].type != JS_INTEGER) |
|
656 |
+ goto argument_type_error; |
|
657 |
+ |
|
658 |
+ end = args[2].u.vinteger; |
|
659 |
+ } |
|
660 |
+ else |
|
661 |
+ end = n->u.vstring->len; |
|
662 |
+ |
|
663 |
+ if (start < 0) |
|
664 |
+ start = 0; |
|
665 |
+ |
|
666 |
+ if (end > n->u.vstring->len) |
|
667 |
+ end = n->u.vstring->len; |
|
668 |
+ |
|
669 |
+ if (start > end) |
|
670 |
+ { |
|
671 |
+ sprintf (vm->error, |
|
672 |
+ "String.%s(): start index is bigger than end", |
|
673 |
+ js_vm_symname (vm, method)); |
|
674 |
+ js_vm_error (vm); |
|
675 |
+ } |
|
676 |
+ |
|
677 |
+ js_vm_make_string (vm, result_return, n->u.vstring->data + start, |
|
678 |
+ end - start); |
|
679 |
+ } |
|
680 |
+ /* ***************************************************************** */ |
|
681 |
+ else if (method == ctx->s_toLowerCase) |
|
682 |
+ { |
|
683 |
+ if (args->u.vinteger != 0) |
|
684 |
+ goto argument_type_error; |
|
685 |
+ |
|
686 |
+ js_vm_make_string (vm, result_return, n->u.vstring->data, |
|
687 |
+ n->u.vstring->len); |
|
688 |
+ |
|
689 |
+ for (i = 0; i < result_return->u.vstring->len; i++) |
|
690 |
+ result_return->u.vstring->data[i] |
|
691 |
+ = js_latin1_tolower[result_return->u.vstring->data[i]]; |
|
692 |
+ } |
|
693 |
+ /* ***************************************************************** */ |
|
694 |
+ else if (method == ctx->s_toUpperCase) |
|
695 |
+ { |
|
696 |
+ if (args->u.vinteger != 0) |
|
697 |
+ goto argument_type_error; |
|
698 |
+ |
|
699 |
+ js_vm_make_string (vm, result_return, n->u.vstring->data, |
|
700 |
+ n->u.vstring->len); |
|
701 |
+ |
|
702 |
+ for (i = 0; i < result_return->u.vstring->len; i++) |
|
703 |
+ result_return->u.vstring->data[i] |
|
704 |
+ = js_latin1_toupper[result_return->u.vstring->data[i]]; |
|
705 |
+ } |
|
706 |
+ /* ***************************************************************** */ |
|
707 |
+ else if (method == ctx->s_unpack) |
|
708 |
+ { |
|
709 |
+ unsigned int op; |
|
710 |
+ unsigned char *buffer; |
|
711 |
+ unsigned int buflen; |
|
712 |
+ unsigned int bufpos = 0; |
|
713 |
+ JSUInt32 ui; |
|
714 |
+ unsigned int result_len = 0; |
|
715 |
+ JSNode *rnode; |
|
716 |
+ |
|
717 |
+ if (args->u.vinteger != 1) |
|
718 |
+ goto argument_error; |
|
719 |
+ if (args[1].type != JS_STRING) |
|
720 |
+ goto argument_type_error; |
|
721 |
+ |
|
722 |
+ buffer = n->u.vstring->data; |
|
723 |
+ buflen = n->u.vstring->len; |
|
724 |
+ |
|
725 |
+ js_vm_make_array (vm, result_return, 0); |
|
726 |
+ |
|
727 |
+ for (op = 0; op < args[1].u.vstring->len; op++) |
|
728 |
+ { |
|
729 |
+ switch (args[1].u.vstring->data[op]) |
|
730 |
+ { |
|
731 |
+ case 'C': |
|
732 |
+ UNPACK_NEED (1); |
|
733 |
+ UNPACK_EXPAND (); |
|
734 |
+ rnode->type = JS_INTEGER; |
|
735 |
+ rnode->u.vinteger = buffer[bufpos++]; |
|
736 |
+ break; |
|
737 |
+ |
|
738 |
+ case 'n': |
|
739 |
+ UNPACK_NEED (2); |
|
740 |
+ UNPACK_EXPAND (); |
|
741 |
+ |
|
742 |
+ ui = buffer[bufpos++]; |
|
743 |
+ ui <<= 8; |
|
744 |
+ ui |= buffer[bufpos++]; |
|
745 |
+ |
|
746 |
+ rnode->type = JS_INTEGER; |
|
747 |
+ rnode->u.vinteger = ui; |
|
748 |
+ break; |
|
749 |
+ |
|
750 |
+ case 'N': |
|
751 |
+ UNPACK_NEED (4); |
|
752 |
+ UNPACK_EXPAND (); |
|
753 |
+ |
|
754 |
+ ui = buffer[bufpos++]; |
|
755 |
+ ui <<= 8; |
|
756 |
+ ui |= buffer[bufpos++]; |
|
757 |
+ ui <<= 8; |
|
758 |
+ ui |= buffer[bufpos++]; |
|
759 |
+ ui <<= 8; |
|
760 |
+ ui |= buffer[bufpos++]; |
|
761 |
+ |
|
762 |
+ rnode->type = JS_INTEGER; |
|
763 |
+ rnode->u.vinteger = ui; |
|
764 |
+ break; |
|
765 |
+ |
|
766 |
+ case 'd': |
|
767 |
+ UNPACK_NEED (8); |
|
768 |
+ UNPACK_EXPAND (); |
|
769 |
+ |
|
770 |
+ rnode->type = JS_FLOAT; |
|
771 |
+ memcpy (&rnode->u.vfloat, buffer + bufpos, 8); |
|
772 |
+ bufpos += 8; |
|
773 |
+ break; |
|
774 |
+ |
|
775 |
+ default: |
|
776 |
+ /* Silently ignore it. */ |
|
777 |
+ break; |
|
778 |
+ } |
|
779 |
+ } |
|
780 |
+ } |
|
781 |
+ /* ***************************************************************** */ |
|
782 |
+ else |
|
783 |
+ return JS_PROPERTY_UNKNOWN; |
|
784 |
+ } |
|
785 |
+ else |
|
786 |
+ return JS_PROPERTY_UNKNOWN; |
|
787 |
+ |
|
788 |
+ return JS_PROPERTY_FOUND; |
|
789 |
+ |
|
790 |
+ |
|
791 |
+ /* |
|
792 |
+ * Error handling. |
|
793 |
+ */ |
|
794 |
+ |
|
795 |
+ argument_error: |
|
796 |
+ sprintf (vm->error, "String.%s(): illegal amount of arguments", |
|
797 |
+ js_vm_symname (vm, method)); |
|
798 |
+ js_vm_error (vm); |
|
799 |
+ |
|
800 |
+ argument_type_error: |
|
801 |
+ sprintf (vm->error, "String %s(): illegal argument", |
|
802 |
+ js_vm_symname (vm, method)); |
|
803 |
+ js_vm_error (vm); |
|
804 |
+ |
|
805 |
+ /* NOTREACHED */ |
|
806 |
+ return 0; |
|
807 |
+} |
|
808 |
+ |
|
809 |
+ |
|
810 |
+/* Property proc. */ |
|
811 |
+static int |
|
812 |
+property (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
813 |
+ void *instance_context, JSSymbol property, int set, JSNode *node) |
|
814 |
+{ |
|
815 |
+ StringCtx *ctx = builtin_info->obj_context; |
|
816 |
+ JSNode *n = instance_context; |
|
817 |
+ |
|
818 |
+ if (n && property == ctx->s_length) |
|
819 |
+ { |
|
820 |
+ if (set) |
|
821 |
+ goto immutable; |
|
822 |
+ |
|
823 |
+ node->type = JS_INTEGER; |
|
824 |
+ node->u.vinteger = n->u.vstring->len; |
|
825 |
+ } |
|
826 |
+ else |
|
827 |
+ { |
|
828 |
+ if (!set) |
|
829 |
+ node->type = JS_UNDEFINED; |
|
830 |
+ |
|
831 |
+ return JS_PROPERTY_UNKNOWN; |
|
832 |
+ } |
|
833 |
+ |
|
834 |
+ return JS_PROPERTY_FOUND; |
|
835 |
+ |
|
836 |
+ |
|
837 |
+ /* |
|
838 |
+ * Error handling. |
|
839 |
+ */ |
|
840 |
+ |
|
841 |
+ immutable: |
|
842 |
+ sprintf (vm->error, "String.%s: immutable property", |
|
843 |
+ js_vm_symname (vm, property)); |
|
844 |
+ js_vm_error (vm); |
|
845 |
+ |
|
846 |
+ /* NOTREACHED. */ |
|
847 |
+ return 0; |
|
848 |
+} |
|
849 |
+ |
|
850 |
+ |
|
851 |
+/* New proc. */ |
|
852 |
+static void |
|
853 |
+new_proc (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, JSNode *args, |
|
854 |
+ JSNode *result_return) |
|
855 |
+{ |
|
856 |
+ JSNode source_n; |
|
857 |
+ JSNode *source; |
|
858 |
+ |
|
859 |
+ if (args->u.vinteger == 0) |
|
860 |
+ js_vm_make_string (vm, result_return, NULL, 0); |
|
861 |
+ else if (args->u.vinteger == 1) |
|
862 |
+ { |
|
863 |
+ if (args[1].type == JS_STRING) |
|
864 |
+ source = &args[1]; |
|
865 |
+ else |
|
866 |
+ { |
|
867 |
+ js_vm_to_string (vm, &args[1], &source_n); |
|
868 |
+ source = &source_n; |
|
869 |
+ } |
|
870 |
+ |
|
871 |
+ js_vm_make_string (vm, result_return, source->u.vstring->data, |
|
872 |
+ source->u.vstring->len); |
|
873 |
+ } |
|
874 |
+ else |
|
875 |
+ { |
|
876 |
+ sprintf (vm->error, "new String(): illegal amount of arguments"); |
|
877 |
+ js_vm_error (vm); |
|
878 |
+ } |
|
879 |
+ |
|
880 |
+ /* Set the [[Prototype]] and [[Class]] properties. */ |
|
881 |
+ /* XXX 15.8.2 */ |
|
882 |
+} |
|
883 |
+ |
|
884 |
+/* |
|
885 |
+ * Global functions. |
|
886 |
+ */ |
|
887 |
+ |
|
888 |
+void |
|
889 |
+js_builtin_String (JSVirtualMachine *vm) |
|
890 |
+{ |
|
891 |
+ StringCtx *ctx; |
|
892 |
+ JSNode *n; |
|
893 |
+ JSBuiltinInfo *info; |
|
894 |
+ |
|
895 |
+ ctx = js_calloc (vm, 1, sizeof (*ctx)); |
|
896 |
+ |
|
897 |
+ ctx->s_length = js_vm_intern (vm, "length"); |
|
898 |
+ |
|
899 |
+ ctx->s_append = js_vm_intern (vm, "append"); |
|
900 |
+ ctx->s_charAt = js_vm_intern (vm, "charAt"); |
|
901 |
+ ctx->s_charCodeAt = js_vm_intern (vm, "charCodeAt"); |
|
902 |
+ ctx->s_concat = js_vm_intern (vm, "concat"); |
|
903 |
+ ctx->s_crc32 = js_vm_intern (vm, "crc32"); |
|
904 |
+ ctx->s_fromCharCode = js_vm_intern (vm, "fromCharCode"); |
|
905 |
+ ctx->s_indexOf = js_vm_intern (vm, "indexOf"); |
|
906 |
+ ctx->s_lastIndexOf = js_vm_intern (vm, "lastIndexOf"); |
|
907 |
+ ctx->s_match = js_vm_intern (vm, "match"); |
|
908 |
+ ctx->s_pack = js_vm_intern (vm, "pack"); |
|
909 |
+ ctx->s_replace = js_vm_intern (vm, "replace"); |
|
910 |
+ ctx->s_search = js_vm_intern (vm, "search"); |
|
911 |
+ ctx->s_slice = js_vm_intern (vm, "slice"); |
|
912 |
+ ctx->s_split = js_vm_intern (vm, "split"); |
|
913 |
+ ctx->s_substr = js_vm_intern (vm, "substr"); |
|
914 |
+ ctx->s_substring = js_vm_intern (vm, "substring"); |
|
915 |
+ ctx->s_toLowerCase = js_vm_intern (vm, "toLowerCase"); |
|
916 |
+ ctx->s_toUpperCase = js_vm_intern (vm, "toUpperCase"); |
|
917 |
+ ctx->s_unpack = js_vm_intern (vm, "unpack"); |
|
918 |
+ |
|
919 |
+ info = js_vm_builtin_info_create (vm); |
|
920 |
+ vm->prim[JS_STRING] = info; |
|
921 |
+ |
|
922 |
+ info->global_method_proc = global_method; |
|
923 |
+ info->method_proc = method; |
|
924 |
+ info->property_proc = property; |
|
925 |
+ info->new_proc = new_proc; |
|
926 |
+ info->obj_context = ctx; |
|
927 |
+ info->obj_context_delete = js_free; |
|
928 |
+ |
|
929 |
+ /* Define it. */ |
|
930 |
+ n = &vm->globals[js_vm_intern (vm, "String")]; |
|
931 |
+ js_vm_builtin_create (vm, n, info, NULL); |
|
932 |
+ |
|
933 |
+ /* Fetch the JSBuiltinInfo of the RegExp object. */ |
|
934 |
+ n = &vm->globals[js_vm_intern (vm, "RegExp")]; |
|
935 |
+ ctx->regexp_info = n->u.vbuiltin->info; |
|
936 |
+} |
0 | 937 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,521 @@ |
0 |
+/* |
|
1 |
+ * The builtin System object. |
|
2 |
+ * Copyright (c) 1998-1999 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/b_system.c,v $ |
|
26 |
+ * $Id: b_system.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+/* |
|
30 |
+ * Static methods: |
|
31 |
+ * |
|
32 |
+ * chdir (string) => boolean |
|
33 |
+ * error ([ANY...]) => undefined |
|
34 |
+ * exit (value) |
|
35 |
+ * getcwd () => string |
|
36 |
+ * getenv (string) => string / undefined |
|
37 |
+ * popen (COMMAND, MODE) => file |
|
38 |
+ * print ([ANY...]) => undefined |
|
39 |
+ * sleep (int) => undefined |
|
40 |
+ * strerror (errno) => string |
|
41 |
+ * system (string) => integer |
|
42 |
+ * usleep (int) => undefined |
|
43 |
+ * |
|
44 |
+ * Properties: type mutable |
|
45 |
+ * |
|
46 |
+ * bits integer |
|
47 |
+ * canonicalHost string |
|
48 |
+ * canonicalHostCPU string |
|
49 |
+ * canonicalHostVendor string |
|
50 |
+ * canonicalHostOS string |
|
51 |
+ * errno integer |
|
52 |
+ * lineBreakSequence string |
|
53 |
+ * stderr file |
|
54 |
+ * stdin file |
|
55 |
+ * stdout file |
|
56 |
+ */ |
|
57 |
+ |
|
58 |
+#include "jsint.h" |
|
59 |
+ |
|
60 |
+/* |
|
61 |
+ * Types and definitions. |
|
62 |
+ */ |
|
63 |
+ |
|
64 |
+#define INSECURE() \ |
|
65 |
+ do { \ |
|
66 |
+ if (secure_mode) \ |
|
67 |
+ goto insecure_feature; \ |
|
68 |
+ } while (0) |
|
69 |
+ |
|
70 |
+struct system_ctx_st |
|
71 |
+{ |
|
72 |
+ JSSymbol s_chdir; |
|
73 |
+ JSSymbol s_error; |
|
74 |
+ JSSymbol s_exit; |
|
75 |
+ JSSymbol s_getcwd; |
|
76 |
+ JSSymbol s_getenv; |
|
77 |
+ JSSymbol s_popen; |
|
78 |
+ JSSymbol s_print; |
|
79 |
+ JSSymbol s_sleep; |
|
80 |
+ JSSymbol s_strerror; |
|
81 |
+ JSSymbol s_system; |
|
82 |
+ JSSymbol s_usleep; |
|
83 |
+ |
|
84 |
+ JSSymbol s_bits; |
|
85 |
+ JSSymbol s_canonicalHost; |
|
86 |
+ JSSymbol s_canonicalHostCPU; |
|
87 |
+ JSSymbol s_canonicalHostVendor; |
|
88 |
+ JSSymbol s_canonicalHostOS; |
|
89 |
+ JSSymbol s_errno; |
|
90 |
+ JSSymbol s_lineBreakSequence; |
|
91 |
+ JSSymbol s_stderr; |
|
92 |
+ JSSymbol s_stdin; |
|
93 |
+ JSSymbol s_stdout; |
|
94 |
+ |
|
95 |
+ /* System file handles. */ |
|
96 |
+ JSNode pstderr; |
|
97 |
+ JSNode pstdin; |
|
98 |
+ JSNode pstdout; |
|
99 |
+}; |
|
100 |
+ |
|
101 |
+typedef struct system_ctx_st SystemCtx; |
|
102 |
+ |
|
103 |
+ |
|
104 |
+/* |
|
105 |
+ * Static functions. |
|
106 |
+ */ |
|
107 |
+ |
|
108 |
+/* Method proc */ |
|
109 |
+static int |
|
110 |
+method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
111 |
+ void *instance_context, JSSymbol method, JSNode *result_return, |
|
112 |
+ JSNode *args) |
|
113 |
+{ |
|
114 |
+ SystemCtx *ctx = builtin_info->obj_context; |
|
115 |
+ int i; |
|
116 |
+ char *cp; |
|
117 |
+ int secure_mode = vm->security & JS_VM_SECURE_SYSTEM; |
|
118 |
+ |
|
119 |
+ /* The default result. */ |
|
120 |
+ result_return->type = JS_UNDEFINED; |
|
121 |
+ |
|
122 |
+ if (method == ctx->s_chdir) |
|
123 |
+ { |
|
124 |
+ INSECURE (); |
|
125 |
+ |
|
126 |
+ if (args->u.vinteger != 1) |
|
127 |
+ goto argument_error; |
|
128 |
+ if (args[1].type != JS_STRING) |
|
129 |
+ goto argument_type_error; |
|
130 |
+ |
|
131 |
+ result_return->type= JS_BOOLEAN; |
|
132 |
+ |
|
133 |
+ cp = js_string_to_c_string (vm, &args[1]); |
|
134 |
+ result_return->u.vboolean = (chdir (cp) == 0); |
|
135 |
+ js_free (cp); |
|
136 |
+ } |
|
137 |
+ /* ********************************************************************** */ |
|
138 |
+ else if (method == ctx->s_exit) |
|
139 |
+ { |
|
140 |
+ INSECURE (); |
|
141 |
+ |
|
142 |
+ if (args->u.vinteger != 1) |
|
143 |
+ goto argument_error; |
|
144 |
+ if (args[1].type != JS_INTEGER) |
|
145 |
+ goto argument_type_error; |
|
146 |
+ |
|
147 |
+ /* Exit. */ |
|
148 |
+ exit (args[1].u.vinteger); |
|
149 |
+ } |
|
150 |
+ /* ********************************************************************** */ |
|
151 |
+ else if (method == ctx->s_getcwd) |
|
152 |
+ { |
|
153 |
+ int size = 10 * 1024; |
|
154 |
+ |
|
155 |
+ INSECURE (); |
|
156 |
+ |
|
157 |
+ if (args->u.vinteger != 0) |
|
158 |
+ goto argument_error; |
|
159 |
+ |
|
160 |
+ cp = js_malloc (vm, size); |
|
161 |
+ if (!getcwd (cp, size)) |
|
162 |
+ { |
|
163 |
+ result_return->type = JS_BOOLEAN; |
|
164 |
+ result_return->u.vboolean = 0; |
|
165 |
+ js_free (cp); |
|
166 |
+ } |
|
167 |
+ else |
|
168 |
+ { |
|
169 |
+ js_vm_make_string (vm, result_return, cp, strlen (cp)); |
|
170 |
+ js_free (cp); |
|
171 |
+ } |
|
172 |
+ } |
|
173 |
+ /* ********************************************************************** */ |
|
174 |
+ else if (method == ctx->s_getenv) |
|
175 |
+ { |
|
176 |
+ char *val; |
|
177 |
+ |
|
178 |
+ if (args->u.vinteger != 1) |
|
179 |
+ goto argument_error; |
|
180 |
+ if (args[1].type != JS_STRING) |
|
181 |
+ goto argument_type_error; |
|
182 |
+ |
|
183 |
+ cp = js_string_to_c_string (vm, &args[1]); |
|
184 |
+ val = getenv (cp); |
|
185 |
+ js_free (cp); |
|
186 |
+ |
|
187 |
+ if (val) |
|
188 |
+ js_vm_make_string (vm, result_return, val, strlen (val)); |
|
189 |
+ } |
|
190 |
+ /* ********************************************************************** */ |
|
191 |
+ else if (method == ctx->s_popen) |
|
192 |
+ { |
|
193 |
+ char *cmd, *mode; |
|
194 |
+ FILE *fp; |
|
195 |
+ int readp = 0; |
|
196 |
+ |
|
197 |
+ INSECURE (); |
|
198 |
+ |
|
199 |
+ if (args->u.vinteger != 2) |
|
200 |
+ goto argument_error; |
|
201 |
+ if (args[1].type != JS_STRING || args[2].type != JS_STRING |
|
202 |
+ || args[2].u.vstring->len > 10) |
|
203 |
+ goto argument_type_error; |
|
204 |
+ |
|
205 |
+ cmd = js_string_to_c_string (vm, &args[1]); |
|
206 |
+ mode = js_string_to_c_string (vm, &args[2]); |
|
207 |
+ |
|
208 |
+ for (i = 0; mode[i]; i++) |
|
209 |
+ if (mode[i] == 'r') |
|
210 |
+ readp = 1; |
|
211 |
+ |
|
212 |
+ JS_VM_ALLOCATE_FD (vm, "System.popen()"); |
|
213 |
+ fp = popen (cmd, mode); |
|
214 |
+ |
|
215 |
+ if (fp == NULL) |
|
216 |
+ JS_VM_FREE_FD (vm); |
|
217 |
+ else |
|
218 |
+ js_builtin_File_new (vm, result_return, cmd, |
|
219 |
+ js_iostream_pipe (fp, readp), 0); |
|
220 |
+ |
|
221 |
+ js_free (cmd); |
|
222 |
+ js_free (mode); |
|
223 |
+ } |
|
224 |
+ /* ********************************************************************** */ |
|
225 |
+ else if (method == ctx->s_print || method == ctx->s_error) |
|
226 |
+ { |
|
227 |
+ JSIOStream *stream; |
|
228 |
+ |
|
229 |
+ if (method == ctx->s_print) |
|
230 |
+ stream = vm->s_stdout; |
|
231 |
+ else |
|
232 |
+ stream = vm->s_stderr; |
|
233 |
+ |
|
234 |
+ for (i = 1; i <= args->u.vinteger; i++) |
|
235 |
+ { |
|
236 |
+ JSNode result; |
|
237 |
+ |
|
238 |
+ js_vm_to_string (vm, &args[i], &result); |
|
239 |
+ js_iostream_write (stream, result.u.vstring->data, |
|
240 |
+ result.u.vstring->len); |
|
241 |
+ } |
|
242 |
+ } |
|
243 |
+ /* ********************************************************************** */ |
|
244 |
+ else if (method == ctx->s_sleep) |
|
245 |
+ { |
|
246 |
+ if (args->u.vinteger != 1) |
|
247 |
+ goto argument_error; |
|
248 |
+ if (args[1].type != JS_INTEGER) |
|
249 |
+ goto argument_type_error; |
|
250 |
+ |
|
251 |
+ sleep (args[1].u.vinteger); |
|
252 |
+ } |
|
253 |
+ /* ********************************************************************** */ |
|
254 |
+ else if (method == ctx->s_strerror) |
|
255 |
+ { |
|
256 |
+ if (args->u.vinteger != 1) |
|
257 |
+ goto argument_error; |
|
258 |
+ if (args[1].type != JS_INTEGER) |
|
259 |
+ goto argument_type_error; |
|
260 |
+ |
|
261 |
+ cp = strerror (args[1].u.vinteger); |
|
262 |
+ js_vm_make_string (vm, result_return, cp, strlen (cp)); |
|
263 |
+ } |
|
264 |
+ /* ********************************************************************** */ |
|
265 |
+ else if (method == ctx->s_system) |
|
266 |
+ { |
|
267 |
+ INSECURE (); |
|
268 |
+ |
|
269 |
+ if (args->u.vinteger != 1) |
|
270 |
+ goto argument_error; |
|
271 |
+ if (args[1].type != JS_STRING) |
|
272 |
+ goto argument_type_error; |
|
273 |
+ |
|
274 |
+ result_return->type = JS_INTEGER; |
|
275 |
+ |
|
276 |
+ cp = js_string_to_c_string (vm, &args[1]); |
|
277 |
+ result_return->u.vinteger = system (cp); |
|
278 |
+ js_free (cp); |
|
279 |
+ } |
|
280 |
+ /* ********************************************************************** */ |
|
281 |
+ else if (method == vm->syms.s_toString) |
|
282 |
+ { |
|
283 |
+ if (args->u.vinteger != 0) |
|
284 |
+ goto argument_error; |
|
285 |
+ |
|
286 |
+ js_vm_make_static_string (vm, result_return, "System", 6); |
|
287 |
+ } |
|
288 |
+ /* ********************************************************************** */ |
|
289 |
+ else if (method == ctx->s_usleep) |
|
290 |
+ { |
|
291 |
+ if (args->u.vinteger != 1) |
|
292 |
+ goto argument_error; |
|
293 |
+ if (args[1].type != JS_INTEGER) |
|
294 |
+ goto argument_type_error; |
|
295 |
+ |
|
296 |
+ usleep (args[1].u.vinteger); |
|
297 |
+ } |
|
298 |
+ /* ********************************************************************** */ |
|
299 |
+ else |
|
300 |
+ return JS_PROPERTY_UNKNOWN; |
|
301 |
+ |
|
302 |
+ return JS_PROPERTY_FOUND; |
|
303 |
+ |
|
304 |
+ |
|
305 |
+ /* |
|
306 |
+ * Error handling. |
|
307 |
+ */ |
|
308 |
+ |
|
309 |
+ argument_error: |
|
310 |
+ sprintf (vm->error, "System.%s(): illegal amout of arguments", |
|
311 |
+ js_vm_symname (vm, method)); |
|
312 |
+ js_vm_error (vm); |
|
313 |
+ |
|
314 |
+ argument_type_error: |
|
315 |
+ sprintf (vm->error, "System.%s(): illegal argument", |
|
316 |
+ js_vm_symname (vm, method)); |
|
317 |
+ js_vm_error (vm); |
|
318 |
+ |
|
319 |
+ insecure_feature: |
|
320 |
+ sprintf (vm->error, "System.%s(): not allowed in secure mode", |
|
321 |
+ js_vm_symname (vm, method)); |
|
322 |
+ js_vm_error (vm); |
|
323 |
+ |
|
324 |
+ /* NOTREACHED */ |
|
325 |
+ return 0; |
|
326 |
+} |
|
327 |
+ |
|
328 |
+/* Property proc. */ |
|
329 |
+static int |
|
330 |
+property (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
331 |
+ void *instance_context, JSSymbol property, int set, JSNode *node) |
|
332 |
+{ |
|
333 |
+ SystemCtx *ctx = builtin_info->obj_context; |
|
334 |
+ |
|
335 |
+ if (property == ctx->s_bits) |
|
336 |
+ { |
|
337 |
+ if (set) |
|
338 |
+ goto immutable; |
|
339 |
+ |
|
340 |
+ node->type = JS_INTEGER; |
|
341 |
+#if SIZEOF_INT == 2 |
|
342 |
+ node->u.vinteger = 16; |
|
343 |
+#else /* not SIZEOF_INT == 2 */ |
|
344 |
+ |
|
345 |
+#if SIZEOF_LONG == 4 |
|
346 |
+ node->u.vinteger = 32; |
|
347 |
+#else /* not SIZEOF_LONG == 4 */ |
|
348 |
+ |
|
349 |
+#if SIZEOF_LONG == 8 |
|
350 |
+ node->u.vinteger = 64; |
|
351 |
+#else /* not SIZEOF_LONG == 8 */ |
|
352 |
+ |
|
353 |
+ /* Do not know. */ |
|
354 |
+ node->u.vinteger = 0; |
|
355 |
+ |
|
356 |
+#endif /* not SIZEOF_LONG == 8 */ |
|
357 |
+#endif /* not SIZEOF_LONG == 4 */ |
|
358 |
+#endif /* not SIZEOF_INT == 2 */ |
|
359 |
+ } |
|
360 |
+ else if (property == ctx->s_canonicalHost) |
|
361 |
+ { |
|
362 |
+ if (set) |
|
363 |
+ goto immutable; |
|
364 |
+ |
|
365 |
+ js_vm_make_static_string (vm, node, CANONICAL_HOST, |
|
366 |
+ strlen (CANONICAL_HOST)); |
|
367 |
+ } |
|
368 |
+ else if (property == ctx->s_canonicalHostCPU) |
|
369 |
+ { |
|
370 |
+ if (set) |
|
371 |
+ goto immutable; |
|
372 |
+ |
|
373 |
+ js_vm_make_static_string (vm, node, CANONICAL_HOST_CPU, |
|
374 |
+ strlen (CANONICAL_HOST_CPU)); |
|
375 |
+ } |
|
376 |
+ else if (property == ctx->s_canonicalHostVendor) |
|
377 |
+ { |
|
378 |
+ if (set) |
|
379 |
+ goto immutable; |
|
380 |
+ |
|
381 |
+ js_vm_make_static_string (vm, node, CANONICAL_HOST_VENDOR, |
|
382 |
+ strlen (CANONICAL_HOST_VENDOR)); |
|
383 |
+ } |
|
384 |
+ else if (property == ctx->s_canonicalHostOS) |
|
385 |
+ { |
|
386 |
+ if (set) |
|
387 |
+ goto immutable; |
|
388 |
+ |
|
389 |
+ js_vm_make_static_string (vm, node, CANONICAL_HOST_OS, |
|
390 |
+ strlen (CANONICAL_HOST_OS)); |
|
391 |
+ } |
|
392 |
+ else if (property == ctx->s_errno) |
|
393 |
+ { |
|
394 |
+ if (set) |
|
395 |
+ goto immutable; |
|
396 |
+ |
|
397 |
+ node->type = JS_INTEGER; |
|
398 |
+ node->u.vinteger = errno; |
|
399 |
+ } |
|
400 |
+ else if (property == ctx->s_lineBreakSequence) |
|
401 |
+ { |
|
402 |
+ if (set) |
|
403 |
+ goto immutable; |
|
404 |
+ |
|
405 |
+ js_vm_make_static_string (vm, node, JS_HOST_LINE_BREAK, |
|
406 |
+ JS_HOST_LINE_BREAK_LEN); |
|
407 |
+ } |
|
408 |
+ else if (property == ctx->s_stderr) |
|
409 |
+ { |
|
410 |
+ if (set) |
|
411 |
+ goto immutable; |
|
412 |
+ |
|
413 |
+ JS_COPY (node, &ctx->pstderr); |
|
414 |
+ } |
|
415 |
+ else if (property == ctx->s_stdin) |
|
416 |
+ { |
|
417 |
+ if (set) |
|
418 |
+ goto immutable; |
|
419 |
+ |
|
420 |
+ JS_COPY (node, &ctx->pstdin); |
|
421 |
+ } |
|
422 |
+ else if (property == ctx->s_stdout) |
|
423 |
+ { |
|
424 |
+ if (set) |
|
425 |
+ goto immutable; |
|
426 |
+ |
|
427 |
+ JS_COPY (node, &ctx->pstdout); |
|
428 |
+ } |
|
429 |
+ |
|
430 |
+ else |
|
431 |
+ { |
|
432 |
+ if (!set) |
|
433 |
+ node->type = JS_UNDEFINED; |
|
434 |
+ |
|
435 |
+ return JS_PROPERTY_UNKNOWN; |
|
436 |
+ } |
|
437 |
+ |
|
438 |
+ return JS_PROPERTY_FOUND; |
|
439 |
+ |
|
440 |
+ |
|
441 |
+ /* |
|
442 |
+ * Error handling. |
|
443 |
+ */ |
|
444 |
+ |
|
445 |
+ immutable: |
|
446 |
+ sprintf (vm->error, "System.%s: immutable property", |
|
447 |
+ js_vm_symname (vm, property)); |
|
448 |
+ js_vm_error (vm); |
|
449 |
+ |
|
450 |
+ /* NOTREACHED. */ |
|
451 |
+ return 0; |
|
452 |
+} |
|
453 |
+ |
|
454 |
+/* Mark proc. */ |
|
455 |
+static void |
|
456 |
+mark (JSBuiltinInfo *builtin_info, void *instance_context) |
|
457 |
+{ |
|
458 |
+ SystemCtx *ctx = builtin_info->obj_context; |
|
459 |
+ |
|
460 |
+ js_vm_mark (&ctx->pstderr); |
|
461 |
+ js_vm_mark (&ctx->pstdin); |
|
462 |
+ js_vm_mark (&ctx->pstdout); |
|
463 |
+} |
|
464 |
+ |
|
465 |
+ |
|
466 |
+/* |
|
467 |
+ * Global functions. |
|
468 |
+ */ |
|
469 |
+ |
|
470 |
+void |
|
471 |
+js_builtin_System (JSVirtualMachine *vm) |
|
472 |
+{ |
|
473 |
+ JSNode *n; |
|
474 |
+ JSBuiltinInfo *info; |
|
475 |
+ SystemCtx *ctx; |
|
476 |
+ |
|
477 |
+ ctx = js_calloc (vm, 1, sizeof (*ctx)); |
|
478 |
+ |
|
479 |
+ ctx->s_chdir = js_vm_intern (vm, "chdir"); |
|
480 |
+ ctx->s_error = js_vm_intern (vm, "error"); |
|
481 |
+ ctx->s_exit = js_vm_intern (vm, "exit"); |
|
482 |
+ ctx->s_getcwd = js_vm_intern (vm, "getcwd"); |
|
483 |
+ ctx->s_getenv = js_vm_intern (vm, "getenv"); |
|
484 |
+ ctx->s_popen = js_vm_intern (vm, "popen"); |
|
485 |
+ ctx->s_print = js_vm_intern (vm, "print"); |
|
486 |
+ ctx->s_sleep = js_vm_intern (vm, "sleep"); |
|
487 |
+ ctx->s_strerror = js_vm_intern (vm, "strerror"); |
|
488 |
+ ctx->s_system = js_vm_intern (vm, "system"); |
|
489 |
+ ctx->s_usleep = js_vm_intern (vm, "usleep"); |
|
490 |
+ |
|
491 |
+ ctx->s_bits = js_vm_intern (vm, "bits"); |
|
492 |
+ ctx->s_canonicalHost = js_vm_intern (vm, "canonicalHost"); |
|
493 |
+ ctx->s_canonicalHostCPU = js_vm_intern (vm, "canonicalHostCPU"); |
|
494 |
+ ctx->s_canonicalHostVendor = js_vm_intern (vm, "canonicalHostVendor"); |
|
495 |
+ ctx->s_canonicalHostOS = js_vm_intern (vm, "canonicalHostOS"); |
|
496 |
+ ctx->s_errno = js_vm_intern (vm, "errno"); |
|
497 |
+ ctx->s_lineBreakSequence = js_vm_intern (vm, "lineBreakSequence"); |
|
498 |
+ ctx->s_stderr = js_vm_intern (vm, "stderr"); |
|
499 |
+ ctx->s_stdin = js_vm_intern (vm, "stdin"); |
|
500 |
+ ctx->s_stdout = js_vm_intern (vm, "stdout"); |
|
501 |
+ |
|
502 |
+ /* Object information. */ |
|
503 |
+ |
|
504 |
+ info = js_vm_builtin_info_create (vm); |
|
505 |
+ |
|
506 |
+ info->method_proc = method; |
|
507 |
+ info->property_proc = property; |
|
508 |
+ info->mark_proc = mark; |
|
509 |
+ info->obj_context = ctx; |
|
510 |
+ info->obj_context_delete = js_free; |
|
511 |
+ |
|
512 |
+ /* Define it. */ |
|
513 |
+ n = &vm->globals[js_vm_intern (vm, "System")]; |
|
514 |
+ js_vm_builtin_create (vm, n, info, NULL); |
|
515 |
+ |
|
516 |
+ /* Enter system properties. */ |
|
517 |
+ js_builtin_File_new (vm, &ctx->pstderr, "stdout", vm->s_stderr, 1); |
|
518 |
+ js_builtin_File_new (vm, &ctx->pstdin, "stdin", vm->s_stdin, 1); |
|
519 |
+ js_builtin_File_new (vm, &ctx->pstdout, "stdout", vm->s_stdout, 1); |
|
520 |
+} |
0 | 521 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,445 @@ |
0 |
+/* |
|
1 |
+ * The builtin VM object. |
|
2 |
+ * Copyright (c) 1998-1999 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/b_vm.c,v $ |
|
26 |
+ * $Id: b_vm.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+/* |
|
30 |
+ * Class: |
|
31 |
+ * |
|
32 |
+ * - static methods: |
|
33 |
+ * |
|
34 |
+ * VM.garbageCollect () |
|
35 |
+ * VM.stackTrace () |
|
36 |
+ * |
|
37 |
+ * - properties: type mutable |
|
38 |
+ * |
|
39 |
+ * VM.dispatchMethod string |
|
40 |
+ * VM.fdCount integer |
|
41 |
+ * VM.gcCount integer |
|
42 |
+ * VM.gcTrigger integer yes |
|
43 |
+ * VM.heapAllocated integer |
|
44 |
+ * VM.heapFree integer |
|
45 |
+ * VM.heapSize integer |
|
46 |
+ * VM.numConstants integer |
|
47 |
+ * VM.numGlobals integer |
|
48 |
+ * VM.stackSize integer |
|
49 |
+ * VM.stacktraceOnError boolean yes |
|
50 |
+ * VM.verbose integer yes |
|
51 |
+ * VM.verboseStacktrace boolean yes |
|
52 |
+ * VM.version string |
|
53 |
+ * VM.versionMajor integer |
|
54 |
+ * VM.versionMinor integer |
|
55 |
+ * VM.versionPatch integer |
|
56 |
+ * VM.warnUndef boolean yes |
|
57 |
+ */ |
|
58 |
+ |
|
59 |
+#include "jsint.h" |
|
60 |
+ |
|
61 |
+/* |
|
62 |
+ * Types and definitions. |
|
63 |
+ */ |
|
64 |
+ |
|
65 |
+struct vm_ctx_st |
|
66 |
+{ |
|
67 |
+ JSSymbol s_garbageCollect; |
|
68 |
+ JSSymbol s_stackTrace; |
|
69 |
+ |
|
70 |
+ JSSymbol s_dispatchMethod; |
|
71 |
+ JSSymbol s_fdCount; |
|
72 |
+ JSSymbol s_gcCount; |
|
73 |
+ JSSymbol s_gcTrigger; |
|
74 |
+ JSSymbol s_heapAllocated; |
|
75 |
+ JSSymbol s_heapFree; |
|
76 |
+ JSSymbol s_heapSize; |
|
77 |
+ JSSymbol s_numConstants; |
|
78 |
+ JSSymbol s_numGlobals; |
|
79 |
+ JSSymbol s_stackSize; |
|
80 |
+ JSSymbol s_stacktraceOnError; |
|
81 |
+ JSSymbol s_verbose; |
|
82 |
+ JSSymbol s_verboseStacktrace; |
|
83 |
+ JSSymbol s_version; |
|
84 |
+ JSSymbol s_versionMajor; |
|
85 |
+ JSSymbol s_versionMinor; |
|
86 |
+ JSSymbol s_versionPatch; |
|
87 |
+ JSSymbol s_warnUndef; |
|
88 |
+}; |
|
89 |
+ |
|
90 |
+typedef struct vm_ctx_st VMCtx; |
|
91 |
+ |
|
92 |
+ |
|
93 |
+/* |
|
94 |
+ * Static functions. |
|
95 |
+ */ |
|
96 |
+ |
|
97 |
+/* Method proc */ |
|
98 |
+static int |
|
99 |
+method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
100 |
+ void *instance_context, JSSymbol method, JSNode *result_return, |
|
101 |
+ JSNode *args) |
|
102 |
+{ |
|
103 |
+ VMCtx *ctx = builtin_info->obj_context; |
|
104 |
+ |
|
105 |
+ /* The default return value is undefined. */ |
|
106 |
+ result_return->type = JS_UNDEFINED; |
|
107 |
+ |
|
108 |
+ if (method == ctx->s_garbageCollect) |
|
109 |
+ { |
|
110 |
+ if (args->u.vinteger != 0) |
|
111 |
+ goto argument_error; |
|
112 |
+ |
|
113 |
+ /* Ok, let's trigger a garbage collection. */ |
|
114 |
+ vm->gc.bytes_allocated = vm->gc.trigger + 1; |
|
115 |
+ } |
|
116 |
+ /* ********************************************************************** */ |
|
117 |
+ else if (method == ctx->s_stackTrace) |
|
118 |
+ { |
|
119 |
+ unsigned int limit; |
|
120 |
+ |
|
121 |
+ if (args->u.vinteger == 0) |
|
122 |
+ limit = -1; |
|
123 |
+ else if (args->u.vinteger == 1) |
|
124 |
+ { |
|
125 |
+ if (args[1].type != JS_INTEGER) |
|
126 |
+ goto argument_type_error; |
|
127 |
+ |
|
128 |
+ limit = args[1].u.vinteger; |
|
129 |
+ } |
|
130 |
+ else |
|
131 |
+ goto argument_error; |
|
132 |
+ |
|
133 |
+ js_vm_stacktrace (vm, limit); |
|
134 |
+ } |
|
135 |
+ /* ********************************************************************** */ |
|
136 |
+ else if (method == vm->syms.s_toString) |
|
137 |
+ { |
|
138 |
+ if (args->u.vinteger != 0) |
|
139 |
+ goto argument_error; |
|
140 |
+ |
|
141 |
+ js_vm_make_static_string (vm, result_return, "VM", 2); |
|
142 |
+ } |
|
143 |
+ /* ********************************************************************** */ |
|
144 |
+ else |
|
145 |
+ return JS_PROPERTY_UNKNOWN; |
|
146 |
+ |
|
147 |
+ return JS_PROPERTY_FOUND; |
|
148 |
+ |
|
149 |
+ |
|
150 |
+ /* |
|
151 |
+ * Error handling. |
|
152 |
+ */ |
|
153 |
+ |
|
154 |
+ argument_error: |
|
155 |
+ sprintf (vm->error, "VM.%s(): illegal amout of arguments", |
|
156 |
+ js_vm_symname (vm, method)); |
|
157 |
+ js_vm_error (vm); |
|
158 |
+ |
|
159 |
+ argument_type_error: |
|
160 |
+ sprintf (vm->error, "VM.%s(): illegal argument", |
|
161 |
+ js_vm_symname (vm, method)); |
|
162 |
+ js_vm_error (vm); |
|
163 |
+ |
|
164 |
+ /* NOTREACHED */ |
|
165 |
+ return 0; |
|
166 |
+} |
|
167 |
+ |
|
168 |
+/* Property proc. */ |
|
169 |
+static int |
|
170 |
+property (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, |
|
171 |
+ void *instance_context, JSSymbol property, int set, JSNode *node) |
|
172 |
+{ |
|
173 |
+ VMCtx *ctx = builtin_info->obj_context; |
|
174 |
+ |
|
175 |
+ if (property == ctx->s_dispatchMethod) |
|
176 |
+ { |
|
177 |
+ if (set) |
|
178 |
+ goto immutable; |
|
179 |
+ |
|
180 |
+ js_vm_make_static_string (vm, node, |
|
181 |
+ vm->dispatch_method_name, |
|
182 |
+ strlen (vm->dispatch_method_name)); |
|
183 |
+ } |
|
184 |
+ /* ***************************************************************** */ |
|
185 |
+ else if (property == ctx->s_fdCount) |
|
186 |
+ { |
|
187 |
+ if (set) |
|
188 |
+ goto immutable; |
|
189 |
+ |
|
190 |
+ node->type = JS_INTEGER; |
|
191 |
+ node->u.vinteger = vm->fd_count; |
|
192 |
+ } |
|
193 |
+ /* ***************************************************************** */ |
|
194 |
+ else if (property == ctx->s_gcCount) |
|
195 |
+ { |
|
196 |
+ if (set) |
|
197 |
+ goto immutable; |
|
198 |
+ |
|
199 |
+ node->type = JS_INTEGER; |
|
200 |
+ node->u.vinteger = vm->gc.count; |
|
201 |
+ } |
|
202 |
+ /* ***************************************************************** */ |
|
203 |
+ else if (property == ctx->s_gcTrigger) |
|
204 |
+ { |
|
205 |
+ if (set) |
|
206 |
+ { |
|
207 |
+ if (node->type != JS_INTEGER) |
|
208 |
+ goto value_error; |
|
209 |
+ vm->gc.trigger = node->u.vinteger; |
|
210 |
+ } |
|
211 |
+ else |
|
212 |
+ { |
|
213 |
+ node->type = JS_INTEGER; |
|
214 |
+ node->u.vinteger = vm->gc.trigger; |
|
215 |
+ } |
|
216 |
+ } |
|
217 |
+ /* ***************************************************************** */ |
|
218 |
+ else if (property == ctx->s_heapAllocated) |
|
219 |
+ { |
|
220 |
+ if (set) |
|
221 |
+ goto immutable; |
|
222 |
+ |
|
223 |
+ node->type = JS_INTEGER; |
|
224 |
+ node->u.vinteger = vm->gc.bytes_allocated; |
|
225 |
+ } |
|
226 |
+ /* ***************************************************************** */ |
|
227 |
+ else if (property == ctx->s_heapFree) |
|
228 |
+ { |
|
229 |
+ if (set) |
|
230 |
+ goto immutable; |
|
231 |
+ |
|
232 |
+ node->type = JS_INTEGER; |
|
233 |
+ node->u.vinteger = vm->gc.bytes_free; |
|
234 |
+ } |
|
235 |
+ /* ***************************************************************** */ |
|
236 |
+ else if (property == ctx->s_heapSize) |
|
237 |
+ { |
|
238 |
+ if (set) |
|
239 |
+ goto immutable; |
|
240 |
+ |
|
241 |
+ node->type = JS_INTEGER; |
|
242 |
+ node->u.vinteger = vm->heap_size; |
|
243 |
+ } |
|
244 |
+ /* ***************************************************************** */ |
|
245 |
+ else if (property == ctx->s_numConstants) |
|
246 |
+ { |
|
247 |
+ if (set) |
|
248 |
+ goto immutable; |
|
249 |
+ |
|
250 |
+ node->type = JS_INTEGER; |
|
251 |
+ node->u.vinteger = vm->num_consts; |
|
252 |
+ } |
|
253 |
+ /* ***************************************************************** */ |
|
254 |
+ else if (property == ctx->s_numGlobals) |
|
255 |
+ { |
|
256 |
+ if (set) |
|
257 |
+ goto immutable; |
|
258 |
+ |
|
259 |
+ node->type = JS_INTEGER; |
|
260 |
+ node->u.vinteger = vm->num_globals; |
|
261 |
+ } |
|
262 |
+ /* ***************************************************************** */ |
|
263 |
+ else if (property == ctx->s_stackSize) |
|
264 |
+ { |
|
265 |
+ if (set) |
|
266 |
+ goto immutable; |
|
267 |
+ |
|
268 |
+ node->type = JS_INTEGER; |
|
269 |
+ node->u.vinteger = vm->stack_size; |
|
270 |
+ } |
|
271 |
+ /* ***************************************************************** */ |
|
272 |
+ else if (property == ctx->s_stacktraceOnError) |
|
273 |
+ { |
|
274 |
+ if (set) |
|
275 |
+ { |
|
276 |
+ if (node->type != JS_BOOLEAN) |
|
277 |
+ goto value_error; |
|
278 |
+ vm->stacktrace_on_error = node->u.vboolean; |
|
279 |
+ } |
|
280 |
+ else |
|
281 |
+ { |
|
282 |
+ node->type = JS_BOOLEAN; |
|
283 |
+ node->u.vboolean = vm->stacktrace_on_error; |
|
284 |
+ } |
|
285 |
+ } |
|
286 |
+ /* ***************************************************************** */ |
|
287 |
+ else if (property == ctx->s_verbose) |
|
288 |
+ { |
|
289 |
+ if (set) |
|
290 |
+ { |
|
291 |
+ if (node->type != JS_INTEGER) |
|
292 |
+ goto value_error; |
|
293 |
+ vm->verbose = node->u.vinteger; |
|
294 |
+ } |
|
295 |
+ else |
|
296 |
+ { |
|
297 |
+ node->type = JS_INTEGER; |
|
298 |
+ node->u.vinteger = vm->verbose; |
|
299 |
+ } |
|
300 |
+ } |
|
301 |
+ /* ***************************************************************** */ |
|
302 |
+ else if (property == ctx->s_verboseStacktrace) |
|
303 |
+ { |
|
304 |
+ if (set) |
|
305 |
+ { |
|
306 |
+ if (node->type != JS_BOOLEAN) |
|
307 |
+ goto value_error; |
|
308 |
+ vm->verbose_stacktrace = node->u.vboolean; |
|
309 |
+ } |
|
310 |
+ else |
|
311 |
+ { |
|
312 |
+ node->type = JS_BOOLEAN; |
|
313 |
+ node->u.vboolean = vm->verbose_stacktrace; |
|
314 |
+ } |
|
315 |
+ } |
|
316 |
+ /* ***************************************************************** */ |
|
317 |
+ else if (property == ctx->s_version) |
|
318 |
+ { |
|
319 |
+ if (set) |
|
320 |
+ goto immutable; |
|
321 |
+ |
|
322 |
+ js_vm_make_static_string (vm, node, VERSION, strlen (VERSION)); |
|
323 |
+ } |
|
324 |
+ /* ***************************************************************** */ |
|
325 |
+ else if (property == ctx->s_versionMajor) |
|
326 |
+ { |
|
327 |
+ if (set) |
|
328 |
+ goto immutable; |
|
329 |
+ |
|
330 |
+ node->type = JS_INTEGER; |
|
331 |
+ node->u.vinteger = atoi (VERSION); |
|
332 |
+ } |
|
333 |
+ /* ***************************************************************** */ |
|
334 |
+ else if (property == ctx->s_versionMinor) |
|
335 |
+ { |
|
336 |
+ if (set) |
|
337 |
+ goto immutable; |
|
338 |
+ |
|
339 |
+ node->type = JS_INTEGER; |
|
340 |
+ node->u.vinteger = atoi (VERSION + 2); |
|
341 |
+ } |
|
342 |
+ /* ***************************************************************** */ |
|
343 |
+ else if (property == ctx->s_versionPatch) |
|
344 |
+ { |
|
345 |
+ if (set) |
|
346 |
+ goto immutable; |
|
347 |
+ |
|
348 |
+ node->type = JS_INTEGER; |
|
349 |
+ node->u.vinteger = atoi (VERSION + 4); |
|
350 |
+ } |
|
351 |
+ /* ***************************************************************** */ |
|
352 |
+ else if (property == ctx->s_warnUndef) |
|
353 |
+ { |
|
354 |
+ if (set) |
|
355 |
+ { |
|
356 |
+ if (node->type != JS_INTEGER) |
|
357 |
+ goto value_error; |
|
358 |
+ vm->warn_undef = node->u.vinteger != 0; |
|
359 |
+ } |
|
360 |
+ else |
|
361 |
+ { |
|
362 |
+ node->type = JS_INTEGER; |
|
363 |
+ node->u.vinteger = vm->warn_undef; |
|
364 |
+ } |
|
365 |
+ } |
|
366 |
+ /* ***************************************************************** */ |
|
367 |
+ else |
|
368 |
+ { |
|
369 |
+ if (!set) |
|
370 |
+ node->type = JS_UNDEFINED; |
|
371 |
+ |
|
372 |
+ return JS_PROPERTY_UNKNOWN; |
|
373 |
+ } |
|
374 |
+ |
|
375 |
+ return JS_PROPERTY_FOUND; |
|
376 |
+ |
|
377 |
+ |
|
378 |
+ /* |
|
379 |
+ * Error handling. |
|
380 |
+ */ |
|
381 |
+ |
|
382 |
+ value_error: |
|
383 |
+ sprintf (vm->error, "VM.%s: illegal value", |
|
384 |
+ js_vm_symname (vm, property)); |
|
385 |
+ js_vm_error (vm); |
|
386 |
+ |
|
387 |
+ immutable: |
|
388 |
+ sprintf (vm->error, "VM.%s: immutable property", |
|
389 |
+ js_vm_symname (vm, property)); |
|
390 |
+ js_vm_error (vm); |
|
391 |
+ |
|
392 |
+ /* NOTREACHED. */ |
|
393 |
+ return 0; |
|
394 |
+} |
|
395 |
+ |
|
396 |
+ |
|
397 |
+/* |
|
398 |
+ * Global functions. |
|
399 |
+ */ |
|
400 |
+ |
|
401 |
+void |
|
402 |
+js_builtin_VM (JSVirtualMachine *vm) |
|
403 |
+{ |
|
404 |
+ JSNode *n; |
|
405 |
+ JSBuiltinInfo *info; |
|
406 |
+ VMCtx *ctx; |
|
407 |
+ |
|
408 |
+ ctx = js_calloc (vm, 1, sizeof (*ctx)); |
|
409 |
+ |
|
410 |
+ ctx->s_garbageCollect = js_vm_intern (vm, "garbageCollect"); |
|
411 |
+ ctx->s_stackTrace = js_vm_intern (vm, "stackTrace"); |
|
412 |
+ |
|
413 |
+ ctx->s_dispatchMethod = js_vm_intern (vm, "dispatchMethod"); |
|
414 |
+ ctx->s_fdCount = js_vm_intern (vm, "fdCount"); |
|
415 |
+ ctx->s_gcCount = js_vm_intern (vm, "gcCount"); |
|
416 |
+ ctx->s_gcTrigger = js_vm_intern (vm, "gcTrigger"); |
|
417 |
+ ctx->s_heapAllocated = js_vm_intern (vm, "heapAllocated"); |
|
418 |
+ ctx->s_heapFree = js_vm_intern (vm, "heapFree"); |
|
419 |
+ ctx->s_heapSize = js_vm_intern (vm, "heapSize"); |
|
420 |
+ ctx->s_numConstants = js_vm_intern (vm, "numConstants"); |
|
421 |
+ ctx->s_numGlobals = js_vm_intern (vm, "numGlobals"); |
|
422 |
+ ctx->s_stackSize = js_vm_intern (vm, "stackSize"); |
|
423 |
+ ctx->s_stacktraceOnError = js_vm_intern (vm, "stacktraceOnError"); |
|
424 |
+ ctx->s_verbose = js_vm_intern (vm, "verbose"); |
|
425 |
+ ctx->s_verboseStacktrace = js_vm_intern (vm, "verboseStacktrace"); |
|
426 |
+ ctx->s_version = js_vm_intern (vm, "version"); |
|
427 |
+ ctx->s_versionMajor = js_vm_intern (vm, "versionMajor"); |
|
428 |
+ ctx->s_versionMinor = js_vm_intern (vm, "versionMinor"); |
|
429 |
+ ctx->s_versionPatch = js_vm_intern (vm, "versionPatch"); |
|
430 |
+ ctx->s_warnUndef = js_vm_intern (vm, "warnUndef"); |
|
431 |
+ |
|
432 |
+ /* Object information. */ |
|
433 |
+ |
|
434 |
+ info = js_vm_builtin_info_create (vm); |
|
435 |
+ |
|
436 |
+ info->method_proc = method; |
|
437 |
+ info->property_proc = property; |
|
438 |
+ info->obj_context = ctx; |
|
439 |
+ info->obj_context_delete = js_free; |
|
440 |
+ |
|
441 |
+ /* Define it. */ |
|
442 |
+ n = &vm->globals[js_vm_intern (vm, "VM")]; |
|
443 |
+ js_vm_builtin_create (vm, n, info, NULL); |
|
444 |
+} |
0 | 445 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,224 @@ |
0 |
+/* |
|
1 |
+ * Byte code handling routines. |
|
2 |
+ * Copyright (c) 1998 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/bc.c,v $ |
|
26 |
+ * $Id: bc.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+#include "jsint.h" |
|
30 |
+ |
|
31 |
+/* |
|
32 |
+ * Global functions. |
|
33 |
+ */ |
|
34 |
+ |
|
35 |
+JSByteCode * |
|
36 |
+js_bc_read_file (FILE *fp) |
|
37 |
+{ |
|
38 |
+ unsigned char header[8]; |
|
39 |
+ JSUInt32 ui; |
|
40 |
+ int i, got; |
|
41 |
+ JSByteCode *bc = NULL; |
|
42 |
+ |
|
43 |
+ if ((i = fgetc (fp)) == '#') |
|
44 |
+ { |
|
45 |
+ /* Skip the first line. */ |
|
46 |
+ while ((i = fgetc (fp)) != EOF && i != '\n') |
|
47 |
+ ; |
|
48 |
+ if (i == EOF) |
|
49 |
+ goto format_error; |
|
50 |
+ } |
|
51 |
+ else |
|
52 |
+ ungetc (i, fp); |
|
53 |
+ |
|
54 |
+ got = fread (header, 4, 2, fp); |
|
55 |
+ if (got != 2) |
|
56 |
+ goto format_error; |
|
57 |
+ |
|
58 |
+ JS_BC_READ_INT32 (header, ui); |
|
59 |
+ if (ui != JS_BC_FILE_MAGIC) |
|
60 |
+ goto format_error; |
|
61 |
+ |
|
62 |
+ bc = js_calloc (NULL, 1, sizeof (*bc)); |
|
63 |
+ if (bc == NULL) |
|
64 |
+ return NULL; |
|
65 |
+ |
|
66 |
+ |
|
67 |
+ JS_BC_READ_INT32 (header + 4, ui); |
|
68 |
+ bc->num_sects = (unsigned int) ui; |
|
69 |
+ |
|
70 |
+ bc->sects = js_calloc (NULL, bc->num_sects, sizeof (JSBCSect)); |
|
71 |
+ if (bc->sects == NULL) |
|
72 |
+ { |
|
73 |
+ js_free (bc); |
|
74 |
+ return NULL; |
|
75 |
+ } |
|
76 |
+ |
|
77 |
+ /* Read sections. */ |
|
78 |
+ for (i = 0; i < bc->num_sects; i++) |
|
79 |
+ { |
|
80 |
+ got = fread (header, 4, 2, fp); |
|
81 |
+ if (got != 2) |
|
82 |
+ goto format_error; |
|
83 |
+ |
|
84 |
+ /* Get type. */ |
|
85 |
+ JS_BC_READ_INT32 (header, ui); |
|
86 |
+ bc->sects[i].type = (int) ui; |
|
87 |
+ |
|
88 |
+ /* Get section length. */ |
|
89 |
+ JS_BC_READ_INT32 (header + 4, ui); |
|
90 |
+ bc->sects[i].length = (unsigned int) ui; |
|
91 |
+ bc->sects[i].data = js_malloc (NULL, bc->sects[i].length + 1 |
|
92 |
+ /* +1 to avoid zero allocations */); |
|
93 |
+ if (bc->sects[i].data == NULL) |
|
94 |
+ { |
|
95 |
+ for (i--; i >= 0; i--) |
|
96 |
+ js_free (bc->sects[i].data); |
|
97 |
+ |
|
98 |
+ js_free (bc->sects); |
|
99 |
+ js_free (bc); |
|
100 |
+ return NULL; |
|
101 |
+ } |
|
102 |
+ |
|
103 |
+ |
|
104 |
+ /* Read section's data. */ |
|
105 |
+ got = fread (bc->sects[i].data, 1, bc->sects[i].length, fp); |
|
106 |
+ if (got != bc->sects[i].length) |
|
107 |
+ goto format_error; |
|
108 |
+ } |
|
109 |
+ |
|
110 |
+ return bc; |
|
111 |
+ |
|
112 |
+ format_error: |
|
113 |
+ |
|
114 |
+ if (bc) |
|
115 |
+ js_bc_free (bc); |
|
116 |
+ |
|
117 |
+ return NULL; |
|
118 |
+} |
|
119 |
+ |
|
120 |
+ |
|
121 |
+JSByteCode * |
|
122 |
+js_bc_read_data (unsigned char *data, unsigned int datalen) |
|
123 |
+{ |
|
124 |
+ JSUInt32 ui; |
|
125 |
+ unsigned int pos = 0; |
|
126 |
+ int i; |
|
127 |
+ JSByteCode *bc = NULL; |
|
128 |
+ |
|
129 |
+ if (data[pos] == '#') |
|
130 |
+ { |
|
131 |
+ /* Skip the first line. */ |
|
132 |
+ for (; pos < datalen && data[pos] != '\n'; pos++) |
|
133 |
+ ; |
|
134 |
+ if (pos >= datalen) |
|
135 |
+ goto format_error; |
|
136 |
+ } |
|
137 |
+ |
|
138 |
+ if (datalen - pos < 8) |
|
139 |
+ goto format_error; |
|
140 |
+ |
|
141 |
+ JS_BC_READ_INT32 (data + pos, ui); |
|
142 |
+ if (ui != JS_BC_FILE_MAGIC) |
|
143 |
+ goto format_error; |
|
144 |
+ pos += 4; |
|
145 |
+ |
|
146 |
+ bc = js_calloc (NULL, 1, sizeof (*bc)); |
|
147 |
+ if (bc == NULL) |
|
148 |
+ return NULL; |
|
149 |
+ |
|
150 |
+ JS_BC_READ_INT32 (data + pos, ui); |
|
151 |
+ bc->num_sects = (unsigned int) ui; |
|
152 |
+ pos += 4; |
|
153 |
+ |
|
154 |
+ bc->sects = js_calloc (NULL, bc->num_sects, sizeof (JSBCSect)); |
|
155 |
+ if (bc->sects == NULL) |
|
156 |
+ { |
|
157 |
+ js_free (bc); |
|
158 |
+ return NULL; |
|
159 |
+ } |
|
160 |
+ |
|
161 |
+ /* Read sections. */ |
|
162 |
+ for (i = 0; i < bc->num_sects; i++) |
|
163 |
+ { |
|
164 |
+ if (datalen - pos < 8) |
|
165 |
+ goto format_error; |
|
166 |
+ |
|
167 |
+ /* Get type. */ |
|
168 |
+ JS_BC_READ_INT32 (data + pos, ui); |
|
169 |
+ bc->sects[i].type = (int) ui; |
|
170 |
+ pos += 4; |
|
171 |
+ |
|
172 |
+ /* Get section length. */ |
|
173 |
+ JS_BC_READ_INT32 (data + pos, ui); |
|
174 |
+ bc->sects[i].length = (unsigned int) ui; |
|
175 |
+ pos += 4; |
|
176 |
+ |
|
177 |
+ bc->sects[i].data = js_malloc (NULL, bc->sects[i].length + 1 |
|
178 |
+ /* +1 to avoid zero allocations */); |
|
179 |
+ if (bc->sects[i].data == NULL) |
|
180 |
+ { |
|
181 |
+ for (i--; i >= 0; i--) |
|
182 |
+ js_free (bc->sects[i].data); |
|
183 |
+ |
|
184 |
+ js_free (bc->sects); |
|
185 |
+ js_free (bc); |
|
186 |
+ return NULL; |
|
187 |
+ } |
|
188 |
+ |
|
189 |
+ /* Read section's data. */ |
|
190 |
+ if (datalen - pos < bc->sects[i].length) |
|
191 |
+ goto format_error; |
|
192 |
+ |
|
193 |
+ memcpy (bc->sects[i].data, data + pos, bc->sects[i].length); |
|
194 |
+ pos += bc->sects[i].length; |
|
195 |
+ } |
|
196 |
+ |
|
197 |
+ if (pos != datalen) |
|
198 |
+ goto format_error; |
|
199 |
+ |
|
200 |
+ return bc; |
|
201 |
+ |
|
202 |
+ |
|
203 |
+ format_error: |
|
204 |
+ |
|
205 |
+ if (bc) |
|
206 |
+ js_bc_free (bc); |
|
207 |
+ |
|
208 |
+ return NULL; |
|
209 |
+} |
|
210 |
+ |
|
211 |
+ |
|
212 |
+void |
|
213 |
+js_bc_free (JSByteCode *bc) |
|
214 |
+{ |
|
215 |
+ int i; |
|
216 |
+ |
|
217 |
+ for (i = 0; i < bc->num_sects; i++) |
|
218 |
+ if (bc->sects[i].data) |
|
219 |
+ js_free (bc->sects[i].data); |
|
220 |
+ |
|
221 |
+ js_free (bc->sects); |
|
222 |
+ js_free (bc); |
|
223 |
+} |
0 | 224 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,586 @@ |
0 |
+/* |
|
1 |
+ * Dynamic memory allocation. |
|
2 |
+ * Copyright (c) 1998 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/heap.c,v $ |
|
26 |
+ * $Id: heap.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+#include "jsint.h" |
|
30 |
+ |
|
31 |
+/* |
|
32 |
+ * Types and definitions. |
|
33 |
+ */ |
|
34 |
+ |
|
35 |
+#if SIZEOF_INT == 2 |
|
36 |
+#define BLOCK_SIZE (63 * 1024) |
|
37 |
+#else |
|
38 |
+#define BLOCK_SIZE (100 * 1024) |
|
39 |
+#endif |
|
40 |
+ |
|
41 |
+/* |
|
42 |
+ * The size of the minimum block that can be allocated from the heap. |
|
43 |
+ * The block must be big enought to hold one pointer that is used when |
|
44 |
+ * then block is entered to the freelist. |
|
45 |
+ */ |
|
46 |
+#define MIN_ALLOC (sizeof (void *)) |
|
47 |
+ |
|
48 |
+#if JS_MEM_DEBUG |
|
49 |
+#define MAGIC 0xfe109abe |
|
50 |
+#endif |
|
51 |
+ |
|
52 |
+/* |
|
53 |
+ * Prototypes for static functions. |
|
54 |
+ */ |
|
55 |
+ |
|
56 |
+static inline unsigned int |
|
57 |
+list (unsigned int size) |
|
58 |
+{ |
|
59 |
+ unsigned int list = 0; |
|
60 |
+ size >>= 3; |
|
61 |
+ |
|
62 |
+ while (size > 0) |
|
63 |
+ { |
|
64 |
+ size >>= 1; |
|
65 |
+ list++; |
|
66 |
+ } |
|
67 |
+ if (list >= JS_NUM_HEAP_FREELISTS) |
|
68 |
+ list = JS_NUM_HEAP_FREELISTS - 1; |
|
69 |
+ |
|
70 |
+ return list; |
|
71 |
+} |
|
72 |
+ |
|
73 |
+ |
|
74 |
+static inline void |
|
75 |
+delete_destroyable (JSHeapMemoryBlock *b) |
|
76 |
+{ |
|
77 |
+ JSHeapDestroyable *destroyable |
|
78 |
+ = (JSHeapDestroyable *) ((unsigned char *) b |
|
79 |
+ + sizeof (JSHeapMemoryBlock)); |
|
80 |
+ |
|
81 |
+ if (destroyable->destroy) |
|
82 |
+ (*destroyable->destroy) (destroyable); |
|
83 |
+} |
|
84 |
+ |
|
85 |
+ |
|
86 |
+static unsigned long |
|
87 |
+sweep (JSVirtualMachine *vm) |
|
88 |
+{ |
|
89 |
+ JSHeapBlock *hb; |
|
90 |
+ unsigned long bytes_in_use = 0; |
|
91 |
+ int i; |
|
92 |
+ unsigned int freelist; |
|
93 |
+ |
|
94 |
+ for (i = 0; i < JS_NUM_HEAP_FREELISTS; i++) |
|
95 |
+ vm->heap_freelists[i] = NULL; |
|
96 |
+ |
|
97 |
+ vm->gc.bytes_free = 0; |
|
98 |
+ vm->gc.bytes_allocated = 0; |
|
99 |
+ |
|
100 |
+ for (hb = vm->heap; hb; hb = hb->next) |
|
101 |
+ { |
|
102 |
+ JSHeapMemoryBlock *b, *e, *bnext; |
|
103 |
+ |
|
104 |
+ b = (JSHeapMemoryBlock *) ((unsigned char *) hb + sizeof (JSHeapBlock)); |
|
105 |
+ e = (JSHeapMemoryBlock *) ((unsigned char *) hb + sizeof (JSHeapBlock) |
|
106 |
+ + hb->size); |
|
107 |
+ for (; b < e; b = bnext) |
|
108 |
+ { |
|
109 |
+#if JS_MEM_DEBUG |
|
110 |
+ assert (b->magic == MAGIC); |
|
111 |
+#endif |
|
112 |
+ bnext = (JSHeapMemoryBlock *) ((unsigned char *) b |
|
113 |
+ + sizeof (JSHeapMemoryBlock) |
|
114 |
+ + b->size); |
|
115 |
+ |
|
116 |
+ if (b->flag_mark) |
|
117 |
+ { |
|
118 |
+ bytes_in_use += b->size; |
|
119 |
+ b->flag_mark = 0; |
|
120 |
+ vm->gc.bytes_allocated = b->size; |
|
121 |
+ } |
|
122 |
+ else |
|
123 |
+ { |
|
124 |
+ if (b->flag_destroyable) |
|
125 |
+ delete_destroyable (b); |
|
126 |
+ |
|
127 |
+ /* Pack consecutive free blocks to one big block. */ |
|
128 |
+ while (bnext < e && bnext->flag_mark == 0) |
|
129 |
+ { |
|
130 |
+#if JS_MEM_DEBUG |
|
131 |
+ assert (bnext->magic == MAGIC); |
|
132 |
+#endif |
|
133 |
+ if (bnext->flag_destroyable) |
|
134 |
+ delete_destroyable (bnext); |
|
135 |
+ |
|
136 |
+ b->size += bnext->size + sizeof (JSHeapMemoryBlock); |
|
137 |
+ bnext = (JSHeapMemoryBlock *) ((unsigned char *) bnext |
|
138 |
+ + sizeof (JSHeapMemoryBlock) |
|
139 |
+ + bnext->size); |
|
140 |
+ } |
|
141 |
+ |
|
142 |
+ JS_HEAP_MEMORY_BLOCK_CLEAR_FLAGS (b); |
|
143 |
+ |
|
144 |
+ /* Link it to the freelist. */ |
|
145 |
+ freelist = list (b->size); |
|
146 |
+ |
|
147 |
+ ((JSHeapFreelistBlock *) b)->next = vm->heap_freelists[freelist]; |
|
148 |
+ vm->heap_freelists[freelist] = b; |
|
149 |
+ vm->gc.bytes_free += b->size; |
|
150 |
+ } |
|
151 |
+ } |
|
152 |
+ } |
|
153 |
+ |
|
154 |
+ return bytes_in_use; |
|
155 |
+} |
|
156 |
+ |
|
157 |
+ |
|
158 |
+/* |
|
159 |
+ * Global functions. |
|
160 |
+ */ |
|
161 |
+ |
|
162 |
+void * |
|
163 |
+js_vm_alloc (JSVirtualMachine *vm, unsigned int size) |
|
164 |
+{ |
|
165 |
+ JSHeapMemoryBlock *b, *prev; |
|
166 |
+ unsigned int alloc_size; |
|
167 |
+ JSHeapBlock *hb; |
|
168 |
+ unsigned int to_alloc; |
|
169 |
+ unsigned int freelist; |
|
170 |
+ char buf[512]; |
|
171 |
+ |
|
172 |
+ /* Round it up to the next pow of two. */ |
|
173 |
+ for (alloc_size = MIN_ALLOC; alloc_size < size; alloc_size *= 2) |
|
174 |
+ ; |
|
175 |
+ |
|
176 |
+ retry: |
|
177 |
+ |
|
178 |
+ /* Take first block from the freelist that is big enough for us. */ |
|
179 |
+ for (freelist = list (alloc_size); freelist < JS_NUM_HEAP_FREELISTS; |
|
180 |
+ freelist++) |
|
181 |
+ for (prev = NULL, b = vm->heap_freelists[freelist]; b; |
|
182 |
+ prev = b, b = ((JSHeapFreelistBlock *) b)->next) |
|
183 |
+ if (b->size >= alloc_size) |
|
184 |
+ { |
|
185 |
+ /* Ok, take this one. */ |
|
186 |
+ if (prev) |
|
187 |
+ ((JSHeapFreelistBlock *) prev)->next |
|
188 |
+ = ((JSHeapFreelistBlock *) b)->next; |
|
189 |
+ else |
|
190 |
+ vm->heap_freelists[freelist] = ((JSHeapFreelistBlock *) b)->next; |
|
191 |
+ |
|
192 |
+ if (b->size > alloc_size + sizeof (JSHeapMemoryBlock) + MIN_ALLOC) |
|
193 |
+ { |
|
194 |
+ JSHeapMemoryBlock *nb; |
|
195 |
+ |
|
196 |
+ /* We can split it. */ |
|
197 |
+ nb = ((JSHeapMemoryBlock *) |
|
198 |
+ ((unsigned char *) b |
|
199 |
+ + sizeof (JSHeapMemoryBlock) + alloc_size)); |
|
200 |
+ |
|
201 |
+#if JS_MEM_DEBUG |
|
202 |
+ nb->magic = MAGIC; |
|
203 |
+#endif |
|
204 |
+ JS_HEAP_MEMORY_BLOCK_CLEAR_FLAGS (nb); |
|
205 |
+ nb->size = b->size - sizeof (JSHeapMemoryBlock) - alloc_size; |
|
206 |
+ |
|
207 |
+ vm->gc.bytes_free -= sizeof (JSHeapMemoryBlock); |
|
208 |
+ |
|
209 |
+ freelist = list (nb->size); |
|
210 |
+ ((JSHeapFreelistBlock *) nb)->next |
|
211 |
+ = vm->heap_freelists[freelist]; |
|
212 |
+ vm->heap_freelists[freelist] = nb; |
|
213 |
+ |
|
214 |
+ b->size = alloc_size; |
|
215 |
+ } |
|
216 |
+ |
|
217 |
+ JS_HEAP_MEMORY_BLOCK_CLEAR_FLAGS (b); |
|
218 |
+ vm->gc.bytes_free -= b->size; |
|
219 |
+ vm->gc.bytes_allocated += b->size; |
|
220 |
+ |
|
221 |
+ return (unsigned char *) b + sizeof (JSHeapMemoryBlock); |
|
222 |
+ } |
|
223 |
+ |
|
224 |
+ /* Must allocate new blocks to the freelist. */ |
|
225 |
+ |
|
226 |
+ if (alloc_size > (BLOCK_SIZE |
|
227 |
+ - sizeof (JSHeapBlock) |
|
228 |
+ - sizeof (JSHeapMemoryBlock))) |
|
229 |
+ to_alloc = alloc_size + sizeof (JSHeapBlock) + sizeof (JSHeapMemoryBlock); |
|
230 |
+ else |
|
231 |
+ to_alloc = BLOCK_SIZE; |
|
232 |
+ |
|
233 |
+ if (vm->verbose > 2) |
|
234 |
+ { |
|
235 |
+ sprintf (buf, |
|
236 |
+ "VM: heap: malloc(%u): needed=%u, size=%lu, free=%lu, allocated=%lu%s", |
|
237 |
+ to_alloc, alloc_size, vm->heap_size, vm->gc.bytes_free, |
|
238 |
+ vm->gc.bytes_allocated, |
|
239 |
+ JS_HOST_LINE_BREAK); |
|
240 |
+ js_iostream_write (vm->s_stderr, buf, strlen (buf)); |
|
241 |
+ } |
|
242 |
+ |
|
243 |
+ hb = js_malloc (vm, to_alloc); |
|
244 |
+ |
|
245 |
+ vm->heap_size += to_alloc; |
|
246 |
+ hb->next = vm->heap; |
|
247 |
+ vm->heap = hb; |
|
248 |
+ hb->size = to_alloc - sizeof (JSHeapBlock); |
|
249 |
+ |
|
250 |
+ /* Link it to the freelist. */ |
|
251 |
+ b = (JSHeapMemoryBlock *) ((unsigned char *) hb + sizeof (JSHeapBlock)); |
|
252 |
+ |
|
253 |
+#if JS_MEM_DEBUG |
|
254 |
+ b->magic = MAGIC; |
|
255 |
+#endif |
|
256 |
+ JS_HEAP_MEMORY_BLOCK_CLEAR_FLAGS (b); |
|
257 |
+ b->size = hb->size - sizeof (JSHeapMemoryBlock); |
|
258 |
+ |
|
259 |
+ freelist = list (b->size); |
|
260 |
+ |
|
261 |
+ ((JSHeapFreelistBlock *) b)->next = vm->heap_freelists[freelist]; |
|
262 |
+ vm->heap_freelists[freelist] = b; |
|
263 |
+ |
|
264 |
+ vm->gc.bytes_free += b->size; |
|
265 |
+ |
|
266 |
+ goto retry; |
|
267 |
+ |
|
268 |
+ /* NOTRECHED */ |
|
269 |
+ return NULL; |
|
270 |
+} |
|
271 |
+ |
|
272 |
+ |
|
273 |
+void * |
|
274 |
+js_vm_alloc_destroyable (JSVirtualMachine *vm, unsigned int size) |
|
275 |
+{ |
|
276 |
+ unsigned char *bi; |
|
277 |
+ JSHeapMemoryBlock *b; |
|
278 |
+ |
|
279 |
+ bi = js_vm_alloc (vm, size); |
|
280 |
+ memset (bi, 0, size); |
|
281 |
+ |
|
282 |
+ b = (JSHeapMemoryBlock *) (bi - sizeof (JSHeapMemoryBlock)); |
|
283 |
+ b->flag_destroyable = 1; |
|
284 |
+ |
|
285 |
+ return bi; |
|
286 |
+} |
|
287 |
+ |
|
288 |
+ |
|
289 |
+void * |
|
290 |
+js_vm_realloc (JSVirtualMachine *vm, void *ptr, unsigned int new_size) |
|
291 |
+{ |
|
292 |
+ JSHeapMemoryBlock *b; |
|
293 |
+ void *nptr; |
|
294 |
+ |
|
295 |
+ if (ptr == NULL) |
|
296 |
+ return js_vm_alloc (vm, new_size); |
|
297 |
+ |
|
298 |
+ /* Can be use the old block? */ |
|
299 |
+ |
|
300 |
+ b = (JSHeapMemoryBlock *) ((unsigned char *) ptr |
|
301 |
+ - sizeof (JSHeapMemoryBlock)); |
|
302 |
+ |
|
303 |
+#if JS_MEM_DEBUG |
|
304 |
+ assert (b->magic == MAGIC); |
|
305 |
+#endif |
|
306 |
+ |
|
307 |
+ if (b->size >= new_size) |
|
308 |
+ /* Yes we can. */ |
|
309 |
+ return ptr; |
|
310 |
+ |
|
311 |
+ /* No we can't. Must allocate a new one. */ |
|
312 |
+ nptr = js_vm_alloc (vm, new_size); |
|
313 |
+ memcpy (nptr, ptr, b->size < new_size ? b->size : new_size); |
|
314 |
+ |
|
315 |
+ js_vm_free (vm, ptr); |
|
316 |
+ |
|
317 |
+ return nptr; |
|
318 |
+} |
|
319 |
+ |
|
320 |
+ |
|
321 |
+void |
|
322 |
+js_vm_free (JSVirtualMachine *vm, void *ptr) |
|
323 |
+{ |
|
324 |
+ JSHeapMemoryBlock *b; |
|
325 |
+ unsigned int freelist; |
|
326 |
+ |
|
327 |
+ b = (JSHeapMemoryBlock *) ((unsigned char *) ptr |
|
328 |
+ - sizeof (JSHeapMemoryBlock)); |
|
329 |
+ |
|
330 |
+#if JS_MEM_DEBUG |
|
331 |
+ assert (b->magic == MAGIC); |
|
332 |
+#endif |
|
333 |
+ |
|
334 |
+ freelist = list (b->size); |
|
335 |
+ |
|
336 |
+ ((JSHeapFreelistBlock *) b)->next = vm->heap_freelists[freelist]; |
|
337 |
+ vm->heap_freelists[freelist] = b; |
|
338 |
+ vm->gc.bytes_free += b->size; |
|
339 |
+ |
|
340 |
+ /* |
|
341 |
+ * We could try to compact the heap, but we left it to the garbage |
|
342 |
+ * collection. |
|
343 |
+ */ |
|
344 |
+} |
|
345 |
+ |
|
346 |
+ |
|
347 |
+int |
|
348 |
+js_vm_mark_ptr (void *ptr) |
|
349 |
+{ |
|
350 |
+ JSHeapMemoryBlock *b; |
|
351 |
+ |
|
352 |
+ if (ptr == NULL) |
|
353 |
+ return 0; |
|
354 |
+ |
|
355 |
+ b = (JSHeapMemoryBlock *) ((unsigned char *) ptr |
|
356 |
+ - sizeof (JSHeapMemoryBlock)); |
|
357 |
+#if JS_MEM_DEBUG |
|
358 |
+ assert (b->magic == MAGIC); |
|
359 |
+#endif |
|
360 |
+ |
|
361 |
+ if (b->flag_mark) |
|
362 |
+ return 0; |
|
363 |
+ |
|
364 |
+ b->flag_mark = 1; |
|
365 |
+ |
|
366 |
+ return 1; |
|
367 |
+} |
|
368 |
+ |
|
369 |
+ |
|
370 |
+int |
|
371 |
+js_vm_is_marked_ptr (void *ptr) |
|
372 |
+{ |
|
373 |
+ JSHeapMemoryBlock *b; |
|
374 |
+ |
|
375 |
+ if (ptr == NULL) |
|
376 |
+ return 1; |
|
377 |
+ |
|
378 |
+ b = (JSHeapMemoryBlock *) ((unsigned char *) ptr |
|
379 |
+ - sizeof (JSHeapMemoryBlock)); |
|
380 |
+#if JS_MEM_DEBUG |
|
381 |
+ assert (b->magic == MAGIC); |
|
382 |
+#endif |
|
383 |
+ |
|
384 |
+ if (b->flag_mark) |
|
385 |
+ return 1; |
|
386 |
+ |
|
387 |
+ return 0; |
|
388 |
+} |
|
389 |
+ |
|
390 |
+ |
|
391 |
+void |
|
392 |
+js_vm_mark (JSNode *n) |
|
393 |
+{ |
|
394 |
+ unsigned int i; |
|
395 |
+ |
|
396 |
+ switch (n->type) |
|
397 |
+ { |
|
398 |
+ case JS_UNDEFINED: |
|
399 |
+ case JS_NULL: |
|
400 |
+ case JS_BOOLEAN: |
|
401 |
+ case JS_INTEGER: |
|
402 |
+ case JS_FLOAT: |
|
403 |
+ case JS_SYMBOL: |
|
404 |
+ case JS_NAN: |
|
405 |
+ case JS_IPTR: |
|
406 |
+ case JS_ARGS_FIX: |
|
407 |
+ /* Nothing here. */ |
|
408 |
+ break; |
|
409 |
+ |
|
410 |
+ case JS_STRING: |
|
411 |
+ js_vm_mark_ptr (n->u.vstring); |
|
412 |
+ if (!n->u.vstring->staticp) |
|
413 |
+ js_vm_mark_ptr (n->u.vstring->data); |
|
414 |
+ |
|
415 |
+ js_vm_object_mark (n->u.vstring->prototype); |
|
416 |
+ break; |
|
417 |
+ |
|
418 |
+ case JS_OBJECT: |
|
419 |
+ js_vm_object_mark (n->u.vobject); |
|
420 |
+ break; |
|
421 |
+ |
|
422 |
+ case JS_ARRAY: |
|
423 |
+ if (js_vm_mark_ptr (n->u.varray)) |
|
424 |
+ { |
|
425 |
+ js_vm_mark_ptr (n->u.varray->data); |
|
426 |
+ |
|
427 |
+ for (i = 0; i < n->u.varray->length; i++) |
|
428 |
+ js_vm_mark (&n->u.varray->data[i]); |
|
429 |
+ |
|
430 |
+ js_vm_object_mark (n->u.varray->prototype); |
|
431 |
+ } |
|
432 |
+ break; |
|
433 |
+ |
|
434 |
+ case JS_BUILTIN: |
|
435 |
+ if (js_vm_mark_ptr (n->u.vbuiltin)) |
|
436 |
+ { |
|
437 |
+ js_vm_mark_ptr (n->u.vbuiltin->info); |
|
438 |
+ |
|
439 |
+ js_vm_object_mark (n->u.vbuiltin->info->prototype); |
|
440 |
+ js_vm_object_mark (n->u.vbuiltin->prototype); |
|
441 |
+ |
|
442 |
+ if (n->u.vbuiltin->info->mark_proc) |
|
443 |
+ (*n->u.vbuiltin->info->mark_proc) ( |
|
444 |
+ n->u.vbuiltin->info, |
|
445 |
+ n->u.vbuiltin->instance_context); |
|
446 |
+ } |
|
447 |
+ break; |
|
448 |
+ |
|
449 |
+ case JS_FUNC: |
|
450 |
+ js_vm_mark_ptr (n->u.vfunction); |
|
451 |
+ js_vm_mark_ptr (n->u.vfunction->implementation); |
|
452 |
+ js_vm_object_mark (n->u.vfunction->prototype); |
|
453 |
+ break; |
|
454 |
+ } |
|
455 |
+} |
|
456 |
+ |
|
457 |
+#define GC_TIMES 0 |
|
458 |
+ |
|
459 |
+void |
|
460 |
+js_vm_garbage_collect (JSVirtualMachine *vm, JSNode *fp, JSNode *sp) |
|
461 |
+{ |
|
462 |
+ unsigned int i; |
|
463 |
+ unsigned long bytes_in_use; |
|
464 |
+ char buf[512]; |
|
465 |
+#if GC_TIMES |
|
466 |
+ clock_t start_clock; |
|
467 |
+ clock_t after_mark_clock; |
|
468 |
+ clock_t after_sweep_clock; |
|
469 |
+#endif |
|
470 |
+ |
|
471 |
+ if (vm->verbose > 1) |
|
472 |
+ { |
|
473 |
+ sprintf (buf, |
|
474 |
+ "VM: heap: garbage collect: num_consts=%u, num_globals=%u%s", |
|
475 |
+ vm->num_consts, vm->num_globals, |
|
476 |
+ JS_HOST_LINE_BREAK); |
|
477 |
+ js_iostream_write (vm->s_stderr, buf, strlen (buf)); |
|
478 |
+ } |
|
479 |
+ |
|
480 |
+ vm->gc.count++; |
|
481 |
+ |
|
482 |
+ /* Mark */ |
|
483 |
+ |
|
484 |
+#if GC_TIMES |
|
485 |
+ start_clock = clock (); |
|
486 |
+#endif |
|
487 |
+ |
|
488 |
+ /* Mark all constants. */ |
|
489 |
+ for (i = 0; i < vm->num_consts; i++) |
|
490 |
+ js_vm_mark (&vm->consts[i]); |
|
491 |
+ |
|
492 |
+ /* Mark all globals. */ |
|
493 |
+ for (i = 0; i < vm->num_globals; i++) |
|
494 |
+ js_vm_mark (&vm->globals[i]); |
|
495 |
+ |
|
496 |
+ /* Mark the buitin-infos of the core objects. */ |
|
497 |
+ for (i = 0; i <= JS_IPTR; i++) |
|
498 |
+ js_vm_mark_ptr (vm->prim[i]); |
|
499 |
+ |
|
500 |
+ /* Mark stack. */ |
|
501 |
+ |
|
502 |
+ /* STACKFRAME */ |
|
503 |
+ |
|
504 |
+ /* Use brute force and mark the whole stack. */ |
|
505 |
+ for (sp++; sp < vm->stack + vm->stack_size; sp++) |
|
506 |
+ { |
|
507 |
+ if (sp->type == JS_IPTR) |
|
508 |
+ { |
|
509 |
+ /* Handle the stack frames here. */ |
|
510 |
+ |
|
511 |
+ /* Skip the return address. */ |
|
512 |
+ sp++; |
|
513 |
+ |
|
514 |
+ /* Possible with-chain. */ |
|
515 |
+ if (sp->u.iptr) |
|
516 |
+ { |
|
517 |
+ JSUIntAlign *uip = sp->u.iptr; |
|
518 |
+ JSUIntAlign ui = *uip; |
|
519 |
+ JSNode *wp; |
|
520 |
+ |
|
521 |
+ /* Mark the with-chain block. */ |
|
522 |
+ js_vm_mark_ptr (uip); |
|
523 |
+ |
|
524 |
+ /* Mark the objects in the with-chain. */ |
|
525 |
+ wp = (JSNode *) ((unsigned char *) uip + sizeof (JSUIntAlign)); |
|
526 |
+ |
|
527 |
+ for (i = 0; i < ui; i++) |
|
528 |
+ js_vm_mark (&wp[i]); |
|
529 |
+ |
|
530 |
+ } |
|
531 |
+ sp++; |
|
532 |
+ |
|
533 |
+ /* Skip the args_fix. */ |
|
534 |
+ sp++; |
|
535 |
+ |
|
536 |
+ /* |
|
537 |
+ * And now we point to the old_fp. We skip it too at the |
|
538 |
+ * for-loop. |
|
539 |
+ */ |
|
540 |
+ } |
|
541 |
+ else |
|
542 |
+ /* Mark this stack item. */ |
|
543 |
+ js_vm_mark (sp); |
|
544 |
+ } |
|
545 |
+ |
|
546 |
+ /* Sweep all blocks and collect free nodes to the freelist. */ |
|
547 |
+ |
|
548 |
+#if GC_TIMES |
|
549 |
+ after_mark_clock = clock (); |
|
550 |
+#endif |
|
551 |
+ |
|
552 |
+ bytes_in_use = sweep (vm); |
|
553 |
+ |
|
554 |
+#if GC_TIMES |
|
555 |
+ after_sweep_clock = clock (); |
|
556 |
+#endif |
|
557 |
+ |
|
558 |
+ if (vm->verbose > 1) |
|
559 |
+ { |
|
560 |
+ sprintf (buf, "VM: heap: bytes_in_use=%lu, bytes_free=%lu%s", |
|
561 |
+ bytes_in_use, vm->gc.bytes_free, |
|
562 |
+ JS_HOST_LINE_BREAK); |
|
563 |
+ js_iostream_write (vm->s_stderr, buf, strlen (buf)); |
|
564 |
+ } |
|
565 |
+ |
|
566 |
+#if GC_TIMES |
|
567 |
+ if (vm->verbose > 1) |
|
568 |
+ { |
|
569 |
+ sprintf (buf, "VM: heap: mark_time=%.4f, sweep_time=%.4f%s", |
|
570 |
+ (double) (after_mark_clock - start_clock) / CLOCKS_PER_SEC, |
|
571 |
+ (double) (after_sweep_clock - after_mark_clock) |
|
572 |
+ / CLOCKS_PER_SEC, |
|
573 |
+ JS_HOST_LINE_BREAK); |
|
574 |
+ js_iostream_write (vm->s_stderr, buf, strlen (buf)); |
|
575 |
+ } |
|
576 |
+#endif |
|
577 |
+} |
|
578 |
+ |
|
579 |
+ |
|
580 |
+void |
|
581 |
+js_vm_clear_heap (JSVirtualMachine *vm) |
|
582 |
+{ |
|
583 |
+ /* Just sweep without marking. */ |
|
584 |
+ sweep (vm); |
|
585 |
+} |
0 | 586 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,535 @@ |
0 |
+/* |
|
1 |
+ * User object handling. |
|
2 |
+ * Copyright (c) 1998 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/object.c,v $ |
|
26 |
+ * $Id: object.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+#include "jsint.h" |
|
30 |
+ |
|
31 |
+/* |
|
32 |
+ * Types and definitions. |
|
33 |
+ */ |
|
34 |
+ |
|
35 |
+#define HASH_SIZE 128 |
|
36 |
+ |
|
37 |
+/* |
|
38 |
+ * Prototypes for static functions. |
|
39 |
+ */ |
|
40 |
+ |
|
41 |
+static void hash_create (JSVirtualMachine *vm, JSObject *obj); |
|
42 |
+ |
|
43 |
+static void hash_insert (JSVirtualMachine *vm, JSObject *obj, const char *name, |
|
44 |
+ unsigned int name_len, int pos); |
|
45 |
+ |
|
46 |
+static void hash_delete (JSVirtualMachine *vm, JSObject *obj, const char *name, |
|
47 |
+ unsigned int name_len); |
|
48 |
+ |
|
49 |
+static int hash_lookup (JSObject *obj, char *name, unsigned int name_len); |
|
50 |
+ |
|
51 |
+ |
|
52 |
+/* |
|
53 |
+ * Global functions. |
|
54 |
+ */ |
|
55 |
+ |
|
56 |
+JSObject * |
|
57 |
+js_vm_object_new (JSVirtualMachine *vm) |
|
58 |
+{ |
|
59 |
+ JSObject *obj; |
|
60 |
+ |
|
61 |
+ obj = js_vm_alloc (vm, sizeof (*obj)); |
|
62 |
+ obj->hash = NULL; |
|
63 |
+ obj->num_props = 0; |
|
64 |
+ obj->props = NULL; |
|
65 |
+ |
|
66 |
+ return obj; |
|
67 |
+} |
|
68 |
+ |
|
69 |
+ |
|
70 |
+void |
|
71 |
+js_vm_object_mark (JSObject *obj) |
|
72 |
+{ |
|
73 |
+ int i; |
|
74 |
+ unsigned int num_objects; |
|
75 |
+ |
|
76 |
+ if (obj == NULL) |
|
77 |
+ return; |
|
78 |
+ |
|
79 |
+ tail_recursive: |
|
80 |
+ |
|
81 |
+ if (!js_vm_mark_ptr (obj)) |
|
82 |
+ /* This object has already been marked. Nothing to do here. */ |
|
83 |
+ return; |
|
84 |
+ |
|
85 |
+ js_vm_mark_ptr (obj->props); |
|
86 |
+ |
|
87 |
+ /* Mark property hash. */ |
|
88 |
+ if (obj->hash) |
|
89 |
+ { |
|
90 |
+ JSObjectPropHashBucket *b; |
|
91 |
+ int i; |
|
92 |
+ |
|
93 |
+ js_vm_mark_ptr (obj->hash); |
|
94 |
+ js_vm_mark_ptr (obj->hash_lengths); |
|
95 |
+ |
|
96 |
+ for (i = 0; i < HASH_SIZE; i++) |
|
97 |
+ for (b = obj->hash[i]; b; b = b->next) |
|
98 |
+ { |
|
99 |
+ js_vm_mark_ptr (b); |
|
100 |
+ js_vm_mark_ptr (b->data); |
|
101 |
+ } |
|
102 |
+ } |
|
103 |
+ |
|
104 |
+ /* Mark all non-object properties. */ |
|
105 |
+ num_objects = 0; |
|
106 |
+ for (i = 0; i < obj->num_props; i++) |
|
107 |
+ { |
|
108 |
+ if (obj->props[i].value.type == JS_OBJECT) |
|
109 |
+ { |
|
110 |
+ if (!js_vm_is_marked_ptr (obj->props[i].value.u.vobject)) |
|
111 |
+ num_objects++; |
|
112 |
+ } |
|
113 |
+ else |
|
114 |
+ js_vm_mark (&obj->props[i].value); |
|
115 |
+ } |
|
116 |
+ |
|
117 |
+ /* And finally, mark all objects we have left. */ |
|
118 |
+ if (num_objects > 0) |
|
119 |
+ { |
|
120 |
+ /* Find the objects. */ |
|
121 |
+ for (i = 0; i < obj->num_props; i++) |
|
122 |
+ if (obj->props[i].value.type == JS_OBJECT |
|
123 |
+ && !js_vm_is_marked_ptr (obj->props[i].value.u.vobject)) |
|
124 |
+ { |
|
125 |
+ if (num_objects == 1) |
|
126 |
+ { |
|
127 |
+ /* |
|
128 |
+ * Hahaa, this is the only non-marked object. We can |
|
129 |
+ * do a tail-recursion optimization. |
|
130 |
+ */ |
|
131 |
+ obj = obj->props[i].value.u.vobject; |
|
132 |
+ goto tail_recursive; |
|
133 |
+ } |
|
134 |
+ |
|
135 |
+ /* Just mark it. */ |
|
136 |
+ js_vm_mark (&obj->props[i].value); |
|
137 |
+ } |
|
138 |
+ } |
|
139 |
+} |
|
140 |
+ |
|
141 |
+ |
|
142 |
+int |
|
143 |
+js_vm_object_load_property (JSVirtualMachine *vm, JSObject *obj, |
|
144 |
+ JSSymbol prop, JSNode *value_return) |
|
145 |
+{ |
|
146 |
+ unsigned int ui; |
|
147 |
+ JSSymbol link_sym = vm->syms.s___proto__; |
|
148 |
+ JSObject *link_obj = NULL; |
|
149 |
+ |
|
150 |
+follow_link: |
|
151 |
+ |
|
152 |
+ /* Check if we know this property. */ |
|
153 |
+ for (ui = 0; ui < obj->num_props; ui++) |
|
154 |
+ if (obj->props[ui].name == prop) |
|
155 |
+ { |
|
156 |
+ JS_COPY (value_return, &obj->props[ui].value); |
|
157 |
+ return JS_PROPERTY_FOUND; |
|
158 |
+ } |
|
159 |
+ else if (obj->props[ui].name == link_sym |
|
160 |
+ && obj->props[ui].value.type == JS_OBJECT) |
|
161 |
+ link_obj = obj->props[ui].value.u.vobject; |
|
162 |
+ |
|
163 |
+ /* Undefined so far. */ |
|
164 |
+ if (link_obj) |
|
165 |
+ { |
|
166 |
+ /* Follow the link. */ |
|
167 |
+ obj = link_obj; |
|
168 |
+ |
|
169 |
+ link_obj = NULL; |
|
170 |
+ goto follow_link; |
|
171 |
+ } |
|
172 |
+ |
|
173 |
+ /* Undefined. Make it undef. */ |
|
174 |
+ value_return->type = JS_UNDEFINED; |
|
175 |
+ return JS_PROPERTY_UNKNOWN; |
|
176 |
+} |
|
177 |
+ |
|
178 |
+ |
|
179 |
+void |
|
180 |
+js_vm_object_store_property (JSVirtualMachine *vm, JSObject *obj, |
|
181 |
+ JSSymbol prop, JSNode *val) |
|
182 |
+{ |
|
183 |
+ unsigned int ui; |
|
184 |
+ JSSymbol free_slot = JS_SYMBOL_NULL; |
|
185 |
+ |
|
186 |
+ /* Check if we already know this property. */ |
|
187 |
+ for (ui = 0; ui < obj->num_props; ui++) |
|
188 |
+ if (obj->props[ui].name == prop) |
|
189 |
+ { |
|
190 |
+ JS_COPY (&obj->props[ui].value, val); |
|
191 |
+ return; |
|
192 |
+ } |
|
193 |
+ else if (obj->props[ui].name == JS_SYMBOL_NULL) |
|
194 |
+ free_slot = ui; |
|
195 |
+ |
|
196 |
+ /* Must create a new property. */ |
|
197 |
+ |
|
198 |
+ if (free_slot == JS_SYMBOL_NULL) |
|
199 |
+ { |
|
200 |
+ /* Expand our array of properties. */ |
|
201 |
+ obj->props = js_vm_realloc (vm, obj->props, |
|
202 |
+ (obj->num_props + 1) * sizeof (JSProperty)); |
|
203 |
+ free_slot = obj->num_props++; |
|
204 |
+ } |
|
205 |
+ |
|
206 |
+ obj->props[free_slot].name = prop; |
|
207 |
+ obj->props[free_slot].attributes = 0; |
|
208 |
+ JS_COPY (&obj->props[free_slot].value, val); |
|
209 |
+ |
|
210 |
+ /* Insert it to the hash (if the hash has been created). */ |
|
211 |
+ if (obj->hash) |
|
212 |
+ { |
|
213 |
+ const char *name; |
|
214 |
+ |
|
215 |
+ name = js_vm_symname (vm, prop); |
|
216 |
+ hash_insert (vm, obj, name, strlen (name), free_slot); |
|
217 |
+ } |
|
218 |
+} |
|
219 |
+ |
|
220 |
+ |
|
221 |
+void |
|
222 |
+js_vm_object_delete_property (JSVirtualMachine *vm, JSObject *obj, |
|
223 |
+ JSSymbol prop) |
|
224 |
+{ |
|
225 |
+ unsigned int ui; |
|
226 |
+ |
|
227 |
+ /* Check if we already know this property. */ |
|
228 |
+ for (ui = 0; ui < obj->num_props; ui++) |
|
229 |
+ if (obj->props[ui].name == prop) |
|
230 |
+ { |
|
231 |
+ /* Found, remove it from our list of properties. */ |
|
232 |
+ obj->props[ui].name = JS_SYMBOL_NULL; |
|
233 |
+ obj->props[ui].value.type = JS_UNDEFINED; |
|
234 |
+ |
|
235 |
+ /* Remove its name from the hash (if present). */ |
|
236 |
+ if (obj->hash) |
|
237 |
+ { |
|
238 |
+ const char *name = js_vm_symname (vm, prop); |
|
239 |
+ hash_delete (vm, obj, name, strlen (name)); |
|
240 |
+ } |
|
241 |
+ |
|
242 |
+ /* All done here. */ |
|
243 |
+ return; |
|
244 |
+ } |
|
245 |
+} |
|
246 |
+ |
|
247 |
+ |
|
248 |
+void |
|
249 |
+js_vm_object_load_array (JSVirtualMachine *vm, JSObject *obj, JSNode *sel, |
|
250 |
+ JSNode *value_return) |
|
251 |
+{ |
|
252 |
+ if (sel->type == JS_INTEGER) |
|
253 |
+ { |
|
254 |
+ if (sel->u.vinteger < 0 || sel->u.vinteger >= obj->num_props) |
|
255 |
+ value_return->type = JS_UNDEFINED; |
|
256 |
+ else |
|
257 |
+ JS_COPY (value_return, &obj->props[sel->u.vinteger].value); |
|
258 |
+ } |
|
259 |
+ else if (sel->type == JS_STRING) |
|
260 |
+ { |
|
261 |
+ int pos; |
|
262 |
+ |
|
263 |
+ if (obj->hash == NULL) |
|
264 |
+ hash_create (vm, obj); |
|
265 |
+ |
|
266 |
+ pos = hash_lookup (obj, (char *) sel->u.vstring->data, |
|
267 |
+ sel->u.vstring->len); |
|
268 |
+ if (pos < 0) |
|
269 |
+ value_return->type = JS_UNDEFINED; |
|
270 |
+ else |
|
271 |
+ JS_COPY (value_return, &obj->props[pos].value); |
|
272 |
+ } |
|
273 |
+ else |
|
274 |
+ { |
|
275 |
+ sprintf (vm->error, "load_property: illegal array index"); |
|
276 |
+ js_vm_error (vm); |
|
277 |
+ } |
|
278 |
+} |
|
279 |
+ |
|
280 |
+ |
|
281 |
+void |
|
282 |
+js_vm_object_store_array (JSVirtualMachine *vm, JSObject *obj, JSNode *sel, |
|
283 |
+ JSNode *value) |
|
284 |
+{ |
|
285 |
+ if (sel->type == JS_INTEGER) |
|
286 |
+ { |
|
287 |
+ if (sel->u.vinteger < 0) |
|
288 |
+ { |
|
289 |
+ sprintf (vm->error, "store_array: array index can't be nagative"); |
|
290 |
+ js_vm_error (vm); |
|
291 |
+ } |
|
292 |
+ if (sel->u.vinteger >= obj->num_props) |
|
293 |
+ { |
|
294 |
+ /* Expand properties. */ |
|
295 |
+ obj->props = js_vm_realloc (vm, obj->props, |
|
296 |
+ (sel->u.vinteger + 1) |
|
297 |
+ * sizeof (JSProperty)); |
|
298 |
+ |
|
299 |
+ /* Init the possible gap. */ |
|
300 |
+ for (; obj->num_props <= sel->u.vinteger; obj->num_props++) |
|
301 |
+ { |
|
302 |
+ obj->props[obj->num_props].name = 0; |
|
303 |
+ obj->props[obj->num_props].attributes = 0; |
|
304 |
+ obj->props[obj->num_props].value.type = JS_UNDEFINED; |
|
305 |
+ } |
|
306 |
+ } |
|
307 |
+ |
|
308 |
+ JS_COPY (&obj->props[sel->u.vinteger].value, value); |
|
309 |
+ } |
|
310 |
+ else if (sel->type == JS_STRING) |
|
311 |
+ { |
|
312 |
+ int pos; |
|
313 |
+ |
|
314 |
+ if (obj->hash == NULL) |
|
315 |
+ hash_create (vm, obj); |
|
316 |
+ |
|
317 |
+ pos = hash_lookup (obj, (char *) sel->u.vstring->data, |
|
318 |
+ sel->u.vstring->len); |
|
319 |
+ if (pos < 0) |
|
320 |
+ { |
|
321 |
+ /* It is undefined, define it. */ |
|
322 |
+ obj->props = js_vm_realloc (vm, obj->props, |
|
323 |
+ (obj->num_props + 1) |
|
324 |
+ * sizeof (JSProperty)); |
|
325 |
+ |
|
326 |
+ /* |
|
327 |
+ * XXX if <sel> is a valid symbol, intern it and set symbol's |
|
328 |
+ * name below. |
|
329 |
+ */ |
|
330 |
+ obj->props[obj->num_props].name = JS_SYMBOL_NULL; |
|
331 |
+ obj->props[obj->num_props].attributes = 0; |
|
332 |
+ JS_COPY (&obj->props[obj->num_props].value, value); |
|
333 |
+ |
|
334 |
+ hash_insert (vm, obj, (char *) sel->u.vstring->data, |
|
335 |
+ sel->u.vstring->len, obj->num_props); |
|
336 |
+ |
|
337 |
+ obj->num_props++; |
|
338 |
+ } |
|
339 |
+ else |
|
340 |
+ JS_COPY (&obj->props[pos].value, value); |
|
341 |
+ } |
|
342 |
+} |
|
343 |
+ |
|
344 |
+ |
|
345 |
+void |
|
346 |
+js_vm_object_delete_array (JSVirtualMachine *vm, JSObject *obj, JSNode *sel) |
|
347 |
+{ |
|
348 |
+ if (sel->type == JS_INTEGER) |
|
349 |
+ { |
|
350 |
+ if (0 <= sel->u.vinteger && sel->u.vinteger < obj->num_props) |
|
351 |
+ { |
|
352 |
+ JSSymbol sym; |
|
353 |
+ |
|
354 |
+ sym = obj->props[sel->u.vinteger].name; |
|
355 |
+ obj->props[sel->u.vinteger].name = JS_SYMBOL_NULL; |
|
356 |
+ obj->props[sel->u.vinteger].value.type = JS_UNDEFINED; |
|
357 |
+ |
|
358 |
+ /* Remove its name from the hash (if present and it is not NULL). */ |
|
359 |
+ if (sym != JS_SYMBOL_NULL && obj->hash) |
|
360 |
+ { |
|
361 |
+ const char *name = js_vm_symname (vm, sym); |
|
362 |
+ hash_delete (vm, obj, name, strlen (name)); |
|
363 |
+ } |
|
364 |
+ } |
|
365 |
+ } |
|
366 |
+ else if (sel->type == JS_STRING) |
|
367 |
+ { |
|
368 |
+ int pos; |
|
369 |
+ |
|
370 |
+ if (obj->hash == NULL) |
|
371 |
+ hash_create (vm, obj); |
|
372 |
+ |
|
373 |
+ pos = hash_lookup (obj, (char *) sel->u.vstring->data, |
|
374 |
+ sel->u.vstring->len); |
|
375 |
+ if (pos >= 0) |
|
376 |
+ { |
|
377 |
+ /* Found it. */ |
|
378 |
+ obj->props[pos].name = JS_SYMBOL_NULL; |
|
379 |
+ obj->props[pos].value.type = JS_UNDEFINED; |
|
380 |
+ |
|
381 |
+ /* And, delete its name from the hash. */ |
|
382 |
+ hash_delete (vm, obj, (char *) sel->u.vstring->data, |
|
383 |
+ sel->u.vstring->len); |
|
384 |
+ } |
|
385 |
+ } |
|
386 |
+ else |
|
387 |
+ { |
|
388 |
+ sprintf (vm->error, "delete_array: illegal array index"); |
|
389 |
+ js_vm_error (vm); |
|
390 |
+ } |
|
391 |
+} |
|
392 |
+ |
|
393 |
+ |
|
394 |
+int |
|
395 |
+js_vm_object_nth (JSVirtualMachine *vm, JSObject *obj, int nth, |
|
396 |
+ JSNode *value_return) |
|
397 |
+{ |
|
398 |
+ int i; |
|
399 |
+ JSObjectPropHashBucket *b; |
|
400 |
+ |
|
401 |
+ value_return->type = JS_UNDEFINED; |
|
402 |
+ |
|
403 |
+ if (nth < 0) |
|
404 |
+ return 0; |
|
405 |
+ |
|
406 |
+ if (obj->hash == NULL) |
|
407 |
+ hash_create (vm, obj); |
|
408 |
+ |
|
409 |
+ for (i = 0; i < HASH_SIZE && nth >= obj->hash_lengths[i]; i++) |
|
410 |
+ nth -= obj->hash_lengths[i]; |
|
411 |
+ |
|
412 |
+ if (i >= HASH_SIZE) |
|
413 |
+ return 0; |
|
414 |
+ |
|
415 |
+ /* The chain <i> is the correct one. */ |
|
416 |
+ for (b = obj->hash[i]; b && nth > 0; b = b->next, nth--) |
|
417 |
+ ; |
|
418 |
+ if (b == NULL) |
|
419 |
+ { |
|
420 |
+ char buf[512]; |
|
421 |
+ |
|
422 |
+ sprintf (buf, |
|
423 |
+ "js_vm_object_nth(): chain didn't contain that many items%s", |
|
424 |
+ JS_HOST_LINE_BREAK); |
|
425 |
+ js_iostream_write (vm->s_stderr, buf, strlen (buf)); |
|
426 |
+ js_iostream_flush (vm->s_stderr); |
|
427 |
+ |
|
428 |
+ abort (); |
|
429 |
+ } |
|
430 |
+ |
|
431 |
+ js_vm_make_string (vm, value_return, b->data, b->len); |
|
432 |
+ |
|
433 |
+ return 1; |
|
434 |
+} |
|
435 |
+ |
|
436 |
+ |
|
437 |
+/* |
|
438 |
+ * Static functions. |
|
439 |
+ */ |
|
440 |
+ |
|
441 |
+static void |
|
442 |
+hash_create (JSVirtualMachine *vm, JSObject *obj) |
|
443 |
+{ |
|
444 |
+ int i; |
|
445 |
+ |
|
446 |
+ obj->hash = js_vm_alloc (vm, HASH_SIZE * sizeof (JSObjectPropHashBucket *)); |
|
447 |
+ memset (obj->hash, 0, HASH_SIZE * sizeof (JSObjectPropHashBucket *)); |
|
448 |
+ |
|
449 |
+ obj->hash_lengths = js_vm_alloc (vm, HASH_SIZE * sizeof (unsigned int)); |
|
450 |
+ memset (obj->hash_lengths, 0, HASH_SIZE * sizeof (unsigned int)); |
|
451 |
+ |
|
452 |
+ /* Insert all known properties to the hash. */ |
|
453 |
+ for (i = 0; i < obj->num_props; i++) |
|
454 |
+ if (obj->props[i].name != JS_SYMBOL_NULL) |
|
455 |
+ { |
|
456 |
+ const char *name; |
|
457 |
+ |
|
458 |
+ name = js_vm_symname (vm, obj->props[i].name); |
|
459 |
+ hash_insert (vm, obj, name, strlen (name), i); |
|
460 |
+ } |
|
461 |
+} |
|
462 |
+ |
|
463 |
+ |
|
464 |
+static void |
|
465 |
+hash_insert (JSVirtualMachine *vm, JSObject *obj, const char *name, |
|
466 |
+ unsigned int name_len, int pos) |
|
467 |
+{ |
|
468 |
+ unsigned int hash; |
|
469 |
+ JSObjectPropHashBucket *b; |
|
470 |
+ |
|
471 |
+ hash = js_count_hash (name, name_len) % HASH_SIZE; |
|
472 |
+ for (b = obj->hash[hash]; b; b = b->next) |
|
473 |
+ if (b->len == name_len |
|
474 |
+ && memcmp (b->data, name, name_len) == 0) |
|
475 |
+ { |
|
476 |
+ /* Ok, we already have a bucket */ |
|
477 |
+ b->value = pos; |
|
478 |
+ return; |
|
479 |
+ } |
|
480 |
+ |
|
481 |
+ /* Create a new bucket. */ |
|
482 |
+ b = js_vm_alloc (vm, sizeof (*b)); |
|
483 |
+ b->len = name_len; |
|
484 |
+ b->data = js_vm_alloc (vm, b->len); |
|
485 |
+ memcpy (b->data, name, b->len); |
|
486 |
+ |
|
487 |
+ b->value = pos; |
|
488 |
+ |
|
489 |
+ b->next = obj->hash[hash]; |
|
490 |
+ obj->hash[hash] = b; |
|
491 |
+ |
|
492 |
+ obj->hash_lengths[hash]++; |
|
493 |
+} |
|
494 |
+ |
|
495 |
+ |
|
496 |
+static void |
|
497 |
+hash_delete (JSVirtualMachine *vm, JSObject *obj, const char *name, |
|
498 |
+ unsigned int name_len) |
|
499 |
+{ |
|
500 |
+ unsigned int hash; |
|
501 |
+ JSObjectPropHashBucket *b, *prev; |
|
502 |
+ |
|
503 |
+ hash = js_count_hash (name, name_len) % HASH_SIZE; |
|
504 |
+ for (prev = NULL, b = obj->hash[hash]; b; prev = b, b = b->next) |
|
505 |
+ if (b->len == name_len |
|
506 |
+ && memcmp (b->data, name, name_len) == 0) |
|
507 |
+ { |
|
508 |
+ /* Ok, found it. */ |
|
509 |
+ if (prev) |
|
510 |
+ prev->next = b->next; |
|
511 |
+ else |
|
512 |
+ obj->hash[hash] = b->next; |
|
513 |
+ |
|
514 |
+ obj->hash_lengths[hash]--; |
|
515 |
+ |
|
516 |
+ break; |
|
517 |
+ } |
|
518 |
+} |
|
519 |
+ |
|
520 |
+ |
|
521 |
+static int |
|
522 |
+hash_lookup (JSObject *obj, char *name, unsigned int name_len) |
|
523 |
+{ |
|
524 |
+ unsigned int hash; |
|
525 |
+ JSObjectPropHashBucket *b; |
|
526 |
+ |
|
527 |
+ hash = js_count_hash (name, name_len) % HASH_SIZE; |
|
528 |
+ for (b = obj->hash[hash]; b; b = b->next) |
|
529 |
+ if (b->len == name_len |
|
530 |
+ && memcmp (b->data, name, name_len) == 0) |
|
531 |
+ return b->value; |
|
532 |
+ |
|
533 |
+ return -1; |
|
534 |
+} |
0 | 535 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,129 @@ |
0 |
+/* |
|
1 |
+ * Re-entrant functions from the Posix thread library. |
|
2 |
+ * Copyright (c) 1998 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/r_pthrs.c,v $ |
|
26 |
+ * $Id: r_pthrs.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+#include "jsint.h" |
|
30 |
+#include "rentrant.h" |
|
31 |
+ |
|
32 |
+/* |
|
33 |
+ * Types and definitions. |
|
34 |
+ */ |
|
35 |
+ |
|
36 |
+/* |
|
37 |
+ * Global functions. |
|
38 |
+ */ |
|
39 |
+ |
|
40 |
+/* Time. */ |
|
41 |
+ |
|
42 |
+void |
|
43 |
+js_localtime (const time_t *clock, struct tm *result) |
|
44 |
+{ |
|
45 |
+ localtime_r (clock, result); |
|
46 |
+} |
|
47 |
+ |
|
48 |
+ |
|
49 |
+void |
|
50 |
+js_gmtime (const time_t *clock, struct tm *result) |
|
51 |
+{ |
|
52 |
+ gmtime_r (clock, result); |
|
53 |
+} |
|
54 |
+ |
|
55 |
+ |
|
56 |
+void |
|
57 |
+js_asctime (const struct tm *tm, char *buffer, int buffer_length) |
|
58 |
+{ |
|
59 |
+ asctime_r (tm, buffer |
|
60 |
+#if ASCTIME_R_WITH_THREE_ARGS |
|
61 |
+ , buffer_length |
|
62 |
+#endif /* ASCTIME_R_WITH_THREE_ARGS */ |
|
63 |
+ ); |
|
64 |
+} |
|
65 |
+ |
|
66 |
+ |
|
67 |
+/* Drand48. */ |
|
68 |
+ |
|
69 |
+#if DRAND48_R_WITH_DRAND48D |
|
70 |
+ |
|
71 |
+void * |
|
72 |
+js_drand48_create (JSVirtualMachine *vm) |
|
73 |
+{ |
|
74 |
+ return js_malloc (vm, sizeof (DRAND48D)); |
|
75 |
+} |
|
76 |
+ |
|
77 |
+ |
|
78 |
+void |
|
79 |
+js_drand48_destroy (void *drand48_context) |
|
80 |
+{ |
|
81 |
+ js_free (drand48_context); |
|
82 |
+} |
|
83 |
+ |
|
84 |
+ |
|
85 |
+void |
|
86 |
+js_srand48 (void *drand48_context, long seed) |
|
87 |
+{ |
|
88 |
+ DRAND48D *ctx = drand48_context; |
|
89 |
+ srand48_r (seed, ctx); |
|
90 |
+} |
|
91 |
+ |
|
92 |
+void |
|
93 |
+js_drand48 (void *drand48_context, double *random_return) |
|
94 |
+{ |
|
95 |
+ DRAND48D *ctx = drand48_context; |
|
96 |
+ drand48_r (ctx, random_return); |
|
97 |
+} |
|
98 |
+ |
|
99 |
+#else /* not DRAND48_R_WITH_DRAND48D */ |
|
100 |
+ |
|
101 |
+/* We trust the drand48() to be thread-safe. */ |
|
102 |
+ |
|
103 |
+void * |
|
104 |
+js_drand48_create (JSVirtualMachine *vm) |
|
105 |
+{ |
|
106 |
+ return NULL; |
|
107 |
+} |
|
108 |
+ |
|
109 |
+ |
|
110 |
+void |
|
111 |
+js_drand48_destroy (void *drand48_context) |
|
112 |
+{ |
|
113 |
+} |
|
114 |
+ |
|
115 |
+ |
|
116 |
+void |
|
117 |
+js_srand48 (void *drand48_context, long seed) |
|
118 |
+{ |
|
119 |
+ srand48 (seed); |
|
120 |
+} |
|
121 |
+ |
|
122 |
+void |
|
123 |
+js_drand48 (void *drand48_context, double *random_return) |
|
124 |
+{ |
|
125 |
+ *random_return = drand48 (); |
|
126 |
+} |
|
127 |
+ |
|
128 |
+#endif /* not DRAND48_R_WITH_DRAND48D */ |
0 | 129 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,439 @@ |
0 |
+/* |
|
1 |
+ * General utilites. |
|
2 |
+ * Copyright (c) 1998 New Generation Software (NGS) Oy |
|
3 |
+ * |
|
4 |
+ * Author: Markku Rossi <mtr@ngs.fi> |
|
5 |
+ */ |
|
6 |
+ |
|
7 |
+/* |
|
8 |
+ * This library is free software; you can redistribute it and/or |
|
9 |
+ * modify it under the terms of the GNU Library General Public |
|
10 |
+ * License as published by the Free Software Foundation; either |
|
11 |
+ * version 2 of the License, or (at your option) any later version. |
|
12 |
+ * |
|
13 |
+ * This library is distributed in the hope that it will be useful, |
|
14 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 |
+ * Library General Public License for more details. |
|
17 |
+ * |
|
18 |
+ * You should have received a copy of the GNU Library General Public |
|
19 |
+ * License along with this library; if not, write to the Free |
|
20 |
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
|
21 |
+ * MA 02111-1307, USA |
|
22 |
+ */ |
|
23 |
+ |
|
24 |
+/* |
|
25 |
+ * $Source: /tmp/cvsroot-15-2-2007/clamav-devel/libclamav/js/utils.c,v $ |
|
26 |
+ * $Id: utils.c,v 1.1 2006/10/19 17:28:58 njh Exp $ |
|
27 |
+ */ |
|
28 |
+ |
|
29 |
+#include "jsint.h" |
|
30 |
+ |
|
31 |
+/* |
|
32 |
+ * Global variables. |
|
33 |
+ */ |
|
34 |
+ |
|
35 |
+unsigned char js_latin1_tolower[256] = |
|
36 |
+{ |
|
37 |
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
|
38 |
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
|
39 |
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
|
40 |
+ 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, |
|
41 |
+ 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, |
|
42 |
+ 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, |
|
43 |
+ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, |
|
44 |
+ 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, |
|
45 |
+ 0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
|
46 |
+ 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, |
|
47 |
+ 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, |
|
48 |
+ 0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, |
|
49 |
+ 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
|
50 |
+ 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, |
|
51 |
+ 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, |
|
52 |
+ 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, |
|
53 |
+ 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, |
|
54 |
+ 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, |
|
55 |
+ 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, |
|
56 |
+ 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, |
|
57 |
+ 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, |
|
58 |
+ 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, |
|
59 |
+ 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, |
|
60 |
+ 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, |
|
61 |
+ 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0x61, 0xe7, |
|
62 |
+ 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, |
|
63 |
+ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xd7, |
|
64 |
+ 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xdf, |
|
65 |
+ 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, |
|
66 |
+ 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, |
|
67 |
+ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, |
|
68 |
+ 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, |
|
69 |
+}; |
|
70 |
+ |
|
71 |
+unsigned char js_latin1_toupper[256] = |
|
72 |
+{ |
|
73 |
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
|
74 |
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
|
75 |
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
|
76 |
+ 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, |
|
77 |
+ 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, |
|
78 |
+ 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, |
|
79 |
+ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, |
|
80 |
+ 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, |
|
81 |
+ 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, |
|
82 |
+ 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, |
|
83 |
+ 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, |
|
84 |
+ 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, |
|
85 |
+ 0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, |
|
86 |
+ 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, |
|
87 |
+ 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, |
|
88 |
+ 0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, |
|
89 |
+ 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, |
|
90 |
+ 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, |
|
91 |
+ 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, |
|
92 |
+ 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, |
|
93 |
+ 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, |
|
94 |
+ 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, |
|
95 |
+ 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, |
|
96 |
+ 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, |
|
97 |
+ 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, |
|
98 |
+ 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, |
|
99 |
+ 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, |
|
100 |
+ 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, |
|
101 |
+ 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xe6, 0xc7, |
|
102 |
+ 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, |
|
103 |
+ 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xf7, |
|
104 |
+ 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xff, |
|
105 |
+}; |
|
106 |
+ |
|
107 |
+ |
|
108 |
+/* |
|
109 |
+ * Global functions. |
|
110 |
+ */ |
|
111 |
+ |
|
112 |
+void |
|
113 |
+js_vm_to_primitive (JSVirtualMachine *vm, const JSNode *n, |
|
114 |
+ JSNode *result_return, JSNodeType preferred_type) |
|
115 |
+{ |
|
116 |
+ JSNode args; |
|
117 |
+ |
|
118 |
+ switch (n->type) |
|
119 |
+ { |
|
120 |
+ case JS_UNDEFINED: |
|
121 |
+ case JS_NULL: |
|
122 |
+ case JS_BOOLEAN: |
|
123 |
+ case JS_INTEGER: |
|
124 |
+ case JS_FLOAT: |
|
125 |
+ case JS_NAN: |
|
126 |
+ case JS_STRING: |
|
127 |
+ JS_COPY (result_return, n); |
|
128 |
+ break; |
|
129 |
+ |
|
130 |
+ case JS_OBJECT: |
|
131 |
+ if (preferred_type == JS_STRING) |
|
132 |
+ { |
|
133 |
+ if (js_vm_call_method (vm, (JSNode *) n, "toString", 0, &args) |
|
134 |
+ && JS_IS_PRIMITIVE_VALUE (&vm->exec_result)) |
|
135 |
+ JS_COPY (result_return, &vm->exec_result); |
|
136 |
+ else if (js_vm_call_method (vm, (JSNode *) n, "valueOf", 0, &args) |
|
137 |
+ && JS_IS_PRIMITIVE_VALUE (&vm->exec_result)) |
|
138 |
+ JS_COPY (result_return, &vm->exec_result); |
|
139 |
+ else |
|
140 |
+ { |
|
141 |
+ sprintf (vm->error, "ToPrimitive(): couldn't convert"); |
|
142 |
+ js_vm_error (vm); |
|
143 |
+ } |
|
144 |
+ } |
|
145 |
+ else |
|
146 |
+ { |
|
147 |
+ /* It must be, or it defaults to NUMBER. */ |
|
148 |
+ if (js_vm_call_method (vm, (JSNode *) n, "valueOf", 0, &args) |
|
149 |
+ && JS_IS_PRIMITIVE_VALUE (&vm->exec_result)) |
|
150 |
+ JS_COPY (result_return, &vm->exec_result); |
|
151 |
+ else |
|
152 |
+ js_vm_to_string (vm, n, result_return); |
|
153 |
+ } |
|
154 |
+ break; |
|
155 |
+ |
|
156 |
+ case JS_BUILTIN: |
|
157 |
+ /* XXX ToPrimitive() for built-ins. */ |
|
158 |
+ sprintf (vm->error, "ToPrimitive(): not implemented yet for built-ins"); |
|
159 |
+ js_vm_error (vm); |
|
160 |
+ break; |
|
161 |
+ |
|
162 |
+ case JS_ARRAY: |
|
163 |
+ case JS_SYMBOL: |
|
164 |
+ case JS_FUNC: |
|
165 |
+ case JS_IPTR: |
|
166 |
+ default: |
|
167 |
+ sprintf (vm->error, "ToPrimitive(): couldn't convert (%d)", n->type); |
|
168 |
+ js_vm_error (vm); |
|
169 |
+ break; |
|
170 |
+ } |
|
171 |
+} |
|
172 |
+ |
|
173 |
+ |
|
174 |
+void |
|
175 |
+js_vm_to_string (JSVirtualMachine *vm, const JSNode *n, JSNode *result_return) |
|
176 |
+{ |
|
177 |
+ const char *tostring; |
|
178 |
+ JSNode args; |
|
179 |
+ JSNode *nnoconst = (JSNode *) n; /* toString methods behave `constantly' |
|
180 |
+ so no panic here. */ |
|
181 |
+ |
|
182 |
+ /* Create empty arguments. */ |
|
183 |
+ args.type = JS_INTEGER; |
|
184 |
+ args.u.vinteger = 0; |
|
185 |
+ |
|
186 |
+ switch (n->type) |
|
187 |
+ { |
|
188 |
+ case JS_UNDEFINED: |
|
189 |
+ tostring = "undefined"; |
|
190 |
+ break; |
|
191 |
+ |
|
192 |
+ case JS_NULL: |
|
193 |
+ tostring = "null"; |
|
194 |
+ break; |
|
195 |
+ |
|
196 |
+ case JS_BOOLEAN: |
|
197 |
+ case JS_INTEGER: |
|
198 |
+ case JS_FLOAT: |
|
199 |
+ case JS_NAN: |
|
200 |
+ case JS_STRING: |
|
201 |
+ case JS_ARRAY: |
|
202 |
+ (void) (*vm->prim[n->type]->method_proc) (vm, vm->prim[n->type], |
|
203 |
+ nnoconst, vm->syms.s_toString, |
|
204 |
+ result_return, &args); |
|
205 |
+ return; |
|
206 |
+ break; |
|
207 |
+ |
|
208 |
+ case JS_OBJECT: |
|
209 |
+ /* Try to call object's toString() method. */ |
|
210 |
+ if (js_vm_call_method (vm, (JSNode *) n, "toString", 0, &args) |
|
211 |
+ && vm->exec_result.type == JS_STRING) |
|
212 |
+ { |
|
213 |
+ JS_COPY (result_return, &vm->exec_result); |
|
214 |
+ return; |
|
215 |
+ } |
|
216 |
+ |
|
217 |
+ /* No match. */ |
|
218 |
+ tostring = "object"; |
|
219 |
+ break; |
|
220 |
+ |
|
221 |
+ case JS_SYMBOL: |
|
222 |
+ tostring = js_vm_symname (vm, n->u.vsymbol); |
|
223 |
+ break; |
|
224 |
+ |
|
225 |
+ case JS_BUILTIN: |
|
226 |
+ if (n->u.vbuiltin->info->method_proc) |
|
227 |
+ if ((*n->u.vbuiltin->info->method_proc) ( |
|
228 |
+ vm, |
|
229 |
+ n->u.vbuiltin->info, |
|
230 |
+ n->u.vbuiltin->instance_context, |
|
231 |
+ vm->syms.s_toString, result_return, |
|
232 |
+ &args) |
|
233 |
+ == JS_PROPERTY_FOUND) |
|
234 |
+ return; |
|
235 |
+ |
|
236 |
+ /* Builtin didn't answer toString(). Let's use our default. */ |
|
237 |
+ tostring = "builtin"; |
|
238 |
+ break; |
|
239 |
+ |
|
240 |
+ case JS_FUNC: |
|
241 |
+ tostring = "function"; |
|
242 |
+ break; |
|
243 |
+ |
|
244 |
+ case JS_IPTR: |
|
245 |
+ tostring = "pointer"; |
|
246 |
+ break; |
|
247 |
+ |
|
248 |
+ default: |
|
249 |
+ tostring = "??? unknown type in js_vm_to_string() ???"; |
|
250 |
+ break; |
|
251 |
+ } |
|
252 |
+ |
|
253 |
+ js_vm_make_static_string (vm, result_return, tostring, strlen (tostring)); |
|
254 |
+} |
|
255 |
+ |
|
256 |
+ |
|
257 |
+void |
|
258 |
+js_vm_to_number (JSVirtualMachine *vm, const JSNode *n, JSNode *result_return) |
|
259 |
+{ |
|
260 |
+ char *cp, *end; |
|
261 |
+ |
|
262 |
+ switch (n->type) |
|
263 |
+ { |
|
264 |
+ case JS_UNDEFINED: |
|
265 |
+ result_return->type = JS_NAN; |
|
266 |
+ break; |
|
267 |
+ |
|
268 |
+ case JS_NULL: |
|
269 |
+ result_return->type = JS_INTEGER; |
|
270 |
+ result_return->u.vinteger = 0; |
|
271 |
+ break; |
|
272 |
+ |
|
273 |
+ case JS_BOOLEAN: |
|
274 |
+ result_return->type = JS_INTEGER; |
|
275 |
+ result_return->u.vinteger = n->u.vboolean ? 1 : 0; |
|
276 |
+ break; |
|
277 |
+ |
|
278 |
+ case JS_INTEGER: |
|
279 |
+ case JS_FLOAT: |
|
280 |
+ case JS_NAN: |
|
281 |
+ JS_COPY (result_return, n); |
|
282 |
+ break; |
|
283 |
+ |
|
284 |
+ case JS_STRING: |
|
285 |
+ cp = js_string_to_c_string (vm, n); |
|
286 |
+ result_return->u.vinteger = strtol (cp, &end, 10); |
|
287 |
+ |
|
288 |
+ if (cp == end) |
|
289 |
+ { |
|
290 |
+ int i; |
|
291 |
+ |
|
292 |
+ /* It failed. Check the `Infinity'. */ |
|
293 |
+ |
|
294 |
+ for (i = 0; cp[i] && JS_IS_STR_WHITE_SPACE_CHAR (cp[i]); i++) |
|
295 |
+ ; |
|
296 |
+ |
|
297 |
+ if (cp[i] && memcmp (cp + i, "Infinity", 8) == 0) |
|
298 |
+ JS_MAKE_POSITIVE_INFINITY (result_return); |
|
299 |
+ else |
|
300 |
+ result_return->type = JS_NAN; |
|
301 |
+ } |
|
302 |
+ else |
|
303 |
+ { |
|
304 |
+ if (*end == '.' || *end == 'e' || *end == 'E') |
|
305 |
+ { |
|
306 |
+ /* It is a float number. */ |
|
307 |
+ result_return->u.vfloat = strtod (cp, &end); |
|
308 |
+ if (cp == end) |
|
309 |
+ /* Couldn't parse. */ |
|
310 |
+ result_return->type = JS_NAN; |
|
311 |
+ else |
|
312 |
+ /* Success. */ |
|
313 |
+ result_return->type = JS_FLOAT; |
|
314 |
+ } |
|
315 |
+ else |
|
316 |
+ { |
|
317 |
+ /* It is an integer. */ |
|
318 |
+ result_return->type = JS_INTEGER; |
|
319 |
+ } |
|
320 |
+ } |
|
321 |
+ |
|
322 |
+ js_free (cp); |
|
323 |
+ break; |
|
324 |
+ |
|
325 |
+ case JS_ARRAY: |
|
326 |
+ case JS_OBJECT: |
|
327 |
+ case JS_BUILTIN: |
|
328 |
+ /* XXX Not implemented yet. */ |
|
329 |
+ result_return->type = JS_NAN; |
|
330 |
+ break; |
|
331 |
+ |
|
332 |
+ case JS_SYMBOL: |
|
333 |
+ case JS_FUNC: |
|
334 |
+ case JS_IPTR: |
|
335 |
+ default: |
|
336 |
+ result_return->type = JS_NAN; |
|
337 |
+ break; |
|
338 |
+ } |
|
339 |
+} |
|
340 |
+ |
|
341 |
+ |
|
342 |
+void |
|
343 |
+js_vm_to_object (JSVirtualMachine *vm, const JSNode *n, JSNode *result_return) |
|
344 |
+{ |
|
345 |
+ switch (n->type) |
|
346 |
+ { |
|
347 |
+ case JS_BOOLEAN: |
|
348 |
+ case JS_INTEGER: |
|
349 |
+ case JS_FLOAT: |
|
350 |
+ case JS_NAN: |
|
351 |
+ case JS_OBJECT: |
|
352 |
+ JS_COPY (result_return, n); |
|
353 |
+ break; |
|
354 |
+ |
|
355 |
+ case JS_STRING: |
|
356 |
+ js_vm_make_string (vm, result_return, n->u.vstring->data, |
|
357 |
+ n->u.vstring->len); |
|
358 |
+ break; |
|
359 |
+ |
|
360 |
+ case JS_UNDEFINED: |
|
361 |
+ case JS_NULL: |
|
362 |
+ default: |
|
363 |
+ sprintf (vm->error, "ToObject(): illegal argument"); |
|
364 |
+ js_vm_error (vm); |
|
365 |
+ break; |
|
366 |
+ } |
|
367 |
+} |
|
368 |
+ |
|
369 |
+ |
|
370 |
+JSInt32 |
|
371 |
+js_vm_to_int32 (JSVirtualMachine *vm, JSNode *n) |
|
372 |
+{ |
|
373 |
+ JSNode intermediate; |
|
374 |
+ JSInt32 result; |
|
375 |
+ |
|
376 |
+ js_vm_to_number (vm, n, &intermediate); |
|
377 |
+ |
|
378 |
+ switch (intermediate.type) |
|
379 |
+ { |
|
380 |
+ case JS_INTEGER: |
|
381 |
+ result = (JSInt32) intermediate.u.vinteger; |
|
382 |
+ break; |
|
383 |
+ |
|
384 |
+ case JS_FLOAT: |
|
385 |
+ if (JS_IS_POSITIVE_INFINITY (&intermediate) |
|
386 |
+ || JS_IS_NEGATIVE_INFINITY (&intermediate)) |
|
387 |
+ result = 0; |
|
388 |
+ else |
|
389 |
+ result = (JSInt32) intermediate.u.vfloat; |
|
390 |
+ break; |
|
391 |
+ |
|
392 |
+ case JS_NAN: |
|
393 |
+ default: |
|
394 |
+ result = 0; |
|
395 |
+ break; |
|
396 |
+ } |
|
397 |
+ |
|
398 |
+ return result; |
|
399 |
+} |
|
400 |
+ |
|
401 |
+ |
|
402 |
+int |
|
403 |
+js_vm_to_boolean (JSVirtualMachine *vm, JSNode *n) |
|
404 |
+{ |
|
405 |
+ int result; |
|
406 |
+ |
|
407 |
+ switch (n->type) |
|
408 |
+ { |
|
409 |
+ case JS_BOOLEAN: |
|
410 |
+ result = n->u.vboolean; |
|
411 |
+ break; |
|
412 |
+ |
|
413 |
+ case JS_INTEGER: |
|
414 |
+ result = n->u.vinteger != 0; |
|
415 |
+ break; |
|
416 |
+ |
|
417 |
+ case JS_FLOAT: |
|
418 |
+ result = n->u.vfloat != 0; |
|
419 |
+ break; |
|
420 |
+ |
|
421 |
+ case JS_STRING: |
|
422 |
+ result = n->u.vstring->len > 0; |
|
423 |
+ break; |
|
424 |
+ |
|
425 |
+ case JS_OBJECT: |
|
426 |
+ result = 1; |
|
427 |
+ break; |
|
428 |
+ |
|
429 |
+ case JS_UNDEFINED: |
|
430 |
+ case JS_NULL: |
|
431 |
+ case JS_NAN: |
|
432 |
+ default: |
|
433 |
+ result = 0; |
|
434 |
+ break; |
|
435 |
+ } |
|
436 |
+ |
|
437 |
+ return result; |
|
438 |
+} |