tools/lexer_generator/regex_parser.py - Issue 50293010: Experimental parser: parse character classes

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Unified Diff: tools/lexer_generator/regex_parser.py

Issue 50293010: Experimental parser: parse character classes (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/parser

Patch Set: Created 7 years, 2 months ago

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Index: tools/lexer_generator/regex_parser.py

diff --git a/tools/lexer_generator/regex_parser.py b/tools/lexer_generator/regex_parser.py

index e0dc502844d01136b66fd77fadc5144571fd8aaa..2e370371d9489217f57157434a0a03129be8d543 100644

--- a/tools/lexer_generator/regex_parser.py

+++ b/tools/lexer_generator/regex_parser.py

@@ -100,11 +100,15 @@ class RegexParser:

def p_class_content(self, p):

'''class_content : CLASS_LITERAL RANGE CLASS_LITERAL maybe_class_content

| CLASS_LITERAL maybe_class_content

+ | CHARACTER_CLASS maybe_class_content

'''

if len(p) == 5:

left = ("RANGE", p[1], p[3])

else:

- left = ('LITERAL', p[1])

+ if len(p[1]) == 1:

+ left = ('LITERAL', p[1])

+ else:

+ left = ('CHARACTER_CLASS', p[1:-1])

p[0] = self.__cat(left, p[len(p)-1])

def p_maybe_class_content(self, p):

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