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skel: better aliasing of identifiers

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* data/glr.c, data/yacc.c: Avoid emitting useless defines.
* data/glr.cc: Restore prefixes for epilogue.
This commit is contained in:
Theophile Ranquet
2013-01-04 12:30:01 +01:00
parent 0707d0c7fa
commit 99d795e8f2
5 changed files with 98 additions and 6 deletions
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18
data/glr.cc
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@@ -118,10 +118,28 @@ m4_defn([b4_initial_action])]))])[
[[const char* msg], [msg]])])
#undef yynerrs
#undef yychar
#undef yylval]b4_locations_if([
#undef yylloc])
m4_if(b4_prefix, [yy], [],
[[/* Substitute the variable and function names. */
#define yyparse ]b4_prefix[parse
#define yylex ]b4_prefix[lex
#define yyerror ]b4_prefix[error
#define yydebug ]b4_prefix[debug
]]b4_pure_if([], [[
#define yylval ]b4_prefix[lval
#define yychar ]b4_prefix[char
#define yynerrs ]b4_prefix[nerrs]b4_locations_if([[
#define yylloc ]b4_prefix[lloc]])]))
# Hijack the epilogue to define implementations (yyerror, parser member
# functions etc.).
m4_append([b4_epilogue],
[b4_syncline([@oline@], [@ofile@])[
/*------------------.
| Report an error. |
`------------------*/