tools/lexer_generator/nfa_builder.py - Issue 144603003: Experimental parser: better eos handling

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Unified Diff: tools/lexer_generator/nfa_builder.py

Issue 144603003: Experimental parser: better eos handling (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/parser

Patch Set: Created 6 years, 11 months ago

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Index: tools/lexer_generator/nfa_builder.py

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

index af170e439c2bc2fa22b314e661c82bcf939fd5aa..0c066d9e8c858d403a6d757df8bbfa2e510da3a3 100644

--- a/tools/lexer_generator/nfa_builder.py

+++ b/tools/lexer_generator/nfa_builder.py

@@ -251,6 +251,7 @@ class NfaBuilder(object):

keys = reduce(f, reachable_states, set())

keys.discard(TransitionKey.epsilon())

keys.discard(catch_all)

+ keys.discard(TransitionKey.unique('eos'))

inverse_key = TransitionKey.inverse_key(encoding, keys)

if inverse_key:

transitions[inverse_key] = transitions[catch_all]

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