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2007-01-30 Paolo Bonzini <bonzini@gnu.org>

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* data/bison.m4 (b4_percent_define_flag_if): Don't treat 0 as false.
	Complain if the value does not match empty, "true" or "false".
	* data/c++.m4: Adjust default definitions of %define variables.
	* data/java.m4: Adjust default definitions of %define variables.
	* doc/bison.texinfo (Decl Summary): Adjust the %define entry according
	to above behavior.
	* tests/input.at (Boolean %define variables): Test new behavior.
This commit is contained in:
Paolo Bonzini
2007-01-30 08:01:29 +00:00
parent 8405b70c05
commit c1d19e10c3
6 changed files with 49 additions and 16 deletions
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data/c++.m4
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@@ -31,10 +31,10 @@ b4_percent_define_default([[parser_class_name]], [[parser]])
b4_percent_define_default([[location_type]], [[location]])
b4_percent_define_default([[filename_type]], [[std::string]])
b4_percent_define_default([[namespace]], m4_defn([b4_prefix]))
b4_percent_define_default([[global_tokens_and_yystype]], [[0]])
b4_percent_define_default([[global_tokens_and_yystype]], [[false]])
b4_percent_define_default([[define_location_comparison]],
[m4_if(b4_percent_define_get([[filename_type]]),
[std::string], [[1]], [[0]])])
[std::string], [[true]], [[false]])])
# b4_token_enums(LIST-OF-PAIRS-TOKEN-NAME-TOKEN-NUMBER)