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2007-01-23 Paolo Bonzini <bonzini@gnu.org>

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Simplify implementation of unqualified %code, implement macros for
	uniform treatment of boolean %define flags.  Document %define.
	* data/bison.m4 (b4_percent_define_ifdef, b4_percent_define_flag_if,
	b4_percent_code_ifdef): New.
	(b4_percent_code_get): Map unqualified %code to b4_percent_code().
	* data/c++.m4: Define default value for global_tokens_and_yystype.
	* data/glr.cc: Likewise.
	* data/location.cc: Use b4_percent_define_flag_if.

	* doc/bison.texinfo (Directives): Document %define.

	* src/parse-gram.y (Unqualified %code): Change muscle name to
	b4_percent_code().
	(content.opt): Default to empty.
This commit is contained in:
Paolo Bonzini
2007-01-23 12:24:27 +00:00
parent 5f340b4884
commit 592d0b1eb5
10 changed files with 203 additions and 144 deletions
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data/glr.cc
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@@ -366,7 +366,7 @@ b4_user_stype
};
]dnl Redirections for glr.c.
m4_ifval(b4_percent_define_get([[global_tokens_and_yystype]]),
b4_percent_define_flag_if([[global_tokens_and_yystype]],
[b4_token_defines(b4_tokens)])
[
#ifndef YYSTYPE