Revision: 17636
Author: [email protected]
Date: Tue Nov 12 11:34:13 2013 UTC
Log: Experimental lexer generator: Code gen fix.
The generated code now does something reasonable for simple exaples.
BUG=
[email protected]
Review URL: https://codereview.chromium.org/58943004
http://code.google.com/p/v8/source/detail?r=17636
Modified:
/branches/experimental/parser/tools/lexer_generator/dfa.py
=======================================
--- /branches/experimental/parser/tools/lexer_generator/dfa.py Tue Nov 12
07:12:31 2013 UTC
+++ /branches/experimental/parser/tools/lexer_generator/dfa.py Tue Nov 12
11:34:13 2013 UTC
@@ -53,7 +53,7 @@
def transitions(self):
return self.__transitions
- def to_code(self):
+ def to_code(self, start_node_number):
# FIXME: add different check types (if, switch, lookup table)
# FIXME: add action + break / continue
# FIXME: add default action
@@ -78,6 +78,7 @@
code += 'return 1;'
else:
code += self.action()[1];
+ code += 'goto code_%s;' % start_node_number
return code
@@ -165,5 +166,5 @@
goto code_%s;
''' % (self.__start.node_number())
for n in self.__name_map.values():
- code += n.to_code()
+ code += n.to_code(self.__start.node_number())
return code
--
--
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