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Let yyerror always receive the msg as last argument, so that

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yyerror can be variadic.
* data/yacc.c (b4_yyerror_args): New.
Use it when calling yyerror.
* data/glr.c (b4_yyerror_args, b4_lyyerror_args): New.
Use it when calling yyerror.
* doc/bison.texinfo (Error Reporting): Adjust.
* tests/calc.at (_AT_DATA_CALC_Y): Adjust.
* tests/cxx-type.at (_AT_TEST_GLR_CALC): Adjust.
This commit is contained in:
Akim Demaille
2002-11-07 12:52:19 +00:00
parent 0e25cad542
commit 93724f139a
6 changed files with 74 additions and 33 deletions
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19
data/yacc.c
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@@ -48,11 +48,12 @@ m4_define([b4_Pure_if],
[$2])])
# b4_pure_args
# ------------
# b4_yyerror_args
# ---------------
# Arguments passed to yyerror: user args plus yylloc.
m4_define([b4_pure_args],
[b4_Pure_if([b4_location_if([, &yylloc])])[]b4_user_args])
m4_define([b4_yyerror_args],
[b4_Pure_if([b4_location_if([&yylloc, ])])dnl
m4_ifset([b4_parse_param], [b4_c_args(b4_parse_param), ])])
# b4_lex_param
@@ -529,7 +530,7 @@ do \
} \
else \
{ \
yyerror ("syntax error: cannot back up"b4_pure_args); \
yyerror (b4_yyerror_args"syntax error: cannot back up"); \
YYERROR; \
} \
while (0)
@@ -1135,15 +1136,15 @@ yyerrlab:
yycount++;
}
}
yyerror (yymsg]b4_pure_args[);
yyerror (]b4_yyerror_args[yymsg);
YYSTACK_FREE (yymsg);
}
else
yyerror ("parse error; also virtual memory exhausted"]b4_pure_args[);
yyerror (]b4_yyerror_args["parse error; also virtual memory exhausted");
}
else
#endif /* YYERROR_VERBOSE */
yyerror ("parse error"]b4_pure_args[);
yyerror (]b4_yyerror_args["parse error");
}
goto yyerrlab1;
@@ -1258,7 +1259,7 @@ yyabortlab:
| yyoverflowlab -- parser overflow comes here. |
`----------------------------------------------*/
yyoverflowlab:
yyerror ("parser stack overflow"]b4_pure_args[);
yyerror (]b4_yyerror_args["parser stack overflow");
yyresult = 2;
/* Fall through. */
#endif