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builder: Handle trailing \ appropriately.

Michael Crosby authored on 2014/10/16 04:11:37
Showing 3 changed files

@@ -32,7 +32,7 @@ type Node struct {
                      var (
                      	dispatch                map[string]func(string) (*Node, map[string]bool, error)
                      	TOKEN_WHITESPACE        = regexp.MustCompile(`[\t\v\f\r ]+`)
                     -	TOKEN_LINE_CONTINUATION = regexp.MustCompile(`\\$`)
                     +	TOKEN_LINE_CONTINUATION = regexp.MustCompile(`\\\s*$`)
                      	TOKEN_COMMENT           = regexp.MustCompile(`^#.*$`)
+                     )

@@ -14,6 +14,7 @@ RUN echo hello \
                      goodbye\
                      frog
                      RUN echo hello  \
                     +world
                      RUN echo hi \
+                      \
                       world \

@@ -3,7 +3,7 @@
                      (run "echo hello    world")
                      (run "echo hello  world")
                      (run "echo hello goodbyefrog")
                     -(run "echo hello  \\")
                     +(run "echo hello  world")
                      (run "echo hi   world  goodnight")
                      (run "echo goodbyefrog")
                      (run "echo goodbyefrog")