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

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Unified Diff: tools/lexer_generator/transition_keys.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/transition_keys.py

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

index 3fd378cc787437344b4e502a09fc0c076bce8437..e39cdc0e6469a0e0f5afb73cb6c2e86097fd4a96 100644

--- a/tools/lexer_generator/transition_keys.py

+++ b/tools/lexer_generator/transition_keys.py

@@ -97,6 +97,13 @@ class TransitionKey:

ranges.append((ord(graph[1]), ord(graph[2])))

elif key == 'LITERAL':

ranges.append((ord(graph[1]), ord(graph[1])))

+ elif key == 'CHARACTER_CLASS':

+ if graph[1] == 'ws':

+ ranges.append(TransitionKey.__unicode_whitespace_bounds)

+ elif graph[1] == 'lit':

+ ranges.append(TransitionKey.__unicode_literal_bounds)

+ else:

+ assert "unknown character class %s" % graph[1]

elif key == 'CAT':

for x in [graph[1], graph[2]]:

TransitionKey.__process_graph(x, ranges)

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