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Remove quotes from variables names in %define directives and from

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qualifiers in %code directives, and restrict the characters that are
allowed in them to M4-friendly ones.  For %define, continue to support
the quoted form as a deprecated feature.  Discussed starting at
<http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00023.html>.
* NEWS (2.3a+): Add entry for the change to %define.  Update entry for
%code.
* doc/bison.texinfo (Prologue Alternatives): Update.
(Bison Declaration Summary): In %defines entry, update mention of
`%code requires' and `%code provides'.
(C++ Location Values): Update %define uses.
(Calc++ Parser Interface): Likewise.
(Calc++ Parser): Likewise, and update `%code requires' uses.
(Bison Symbols): Update %code documentation.
* src/parse-gram.y (prologue_declaration): For %define variables, use
`variable' instead of `STRING'.
(grammar_declaration): For %code qualifiers, use `ID' instead of
`STRING'.
(variable): New nonterminal that takes an `ID' or a `STRING'.
* tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update %code
and %define uses.
* tests/calc.at (_AT_DATA_CALC_Y): Update %define use.
* tests/input.at (Reject unused %code qualifiers): Update %code uses.
(%define errors): Update %define uses.
This commit is contained in:
Joel E. Denny
2007-01-09 01:17:51 +00:00
parent e9813cd4f8
commit 16dc6a9ebf
8 changed files with 401 additions and 356 deletions
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6
tests/actions.at
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@@ -178,7 +178,7 @@ m4_if([$1$2$3], $[1]$[2]$[3], [],
# helping macros. So don't put any directly in the Bison file.
AT_BISON_OPTION_PUSHDEFS([$5])
AT_DATA_GRAMMAR([[input.y]],
[[%code "requires" {
[[%code requires {
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -196,8 +196,8 @@ m4_ifval([$6], [%union
{
int ival;
}])
AT_LALR1_CC_IF([%define "global_tokens_and_yystype"])
m4_ifval([$6], [[%code "provides" {]], [[%code {]])
AT_LALR1_CC_IF([%define global_tokens_and_yystype])
m4_ifval([$6], [[%code provides {]], [[%code {]])
AT_LALR1_CC_IF([typedef yy::location YYLTYPE;])
[static int yylex (]AT_LEX_FORMALS[);
]AT_LALR1_CC_IF([], [static void yyerror (const char *msg);])