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* data/c.m4 (b4_yy_symbol_print_generate): In yy_symbol_print, accept

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!yyvaluep as signal that no semantic value is available to print.
* data/glr.c (yydestroyGLRState): If state is not resolved, don't try
to print a semantic value.
This commit is contained in:
Joel E. Denny
2006-01-06 20:09:31 +00:00
parent fd2493f7c4
commit 05449a2c1b
3 changed files with 10 additions and 2 deletions
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7
ChangeLog
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@@ -1,3 +1,10 @@
2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
* data/c.m4 (b4_yy_symbol_print_generate): In yy_symbol_print, accept
!yyvaluep as signal that no semantic value is available to print.
* data/glr.c (yydestroyGLRState): If state is not resolved, don't try
to print a semantic value.
2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu> 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
* tests/glr-regression.at: For consistency with my newer test cases, * tests/glr-regression.at: For consistency with my newer test cases,

3
data/c.m4
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@@ -464,7 +464,8 @@ m4_define_default([b4_yy_symbol_print_generate],
b4_location_if([, [[const YYLTYPE * const yylocationp], [yylocationp]]])[]dnl b4_location_if([, [[const YYLTYPE * const yylocationp], [yylocationp]]])[]dnl
m4_ifset([b4_parse_param], [, b4_parse_param]))[ m4_ifset([b4_parse_param], [, b4_parse_param]))[
{ {
YYUSE (yyvaluep); if (!yyvaluep)
return;
]b4_location_if([ YYUSE (yylocationp); ]b4_location_if([ YYUSE (yylocationp);
])dnl ])dnl
b4_parse_param_use[]dnl b4_parse_param_use[]dnl

2
data/glr.c
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@@ -973,7 +973,7 @@ yydestroyGLRState (char const *yymsg, yyGLRState *yys]b4_user_formals[)
{ {
YYFPRINTF (stderr, "%s unresolved ", yymsg); YYFPRINTF (stderr, "%s unresolved ", yymsg);
yy_symbol_print (stderr, yystos[yys->yylrState], yy_symbol_print (stderr, yystos[yys->yylrState],
&yys->yysemantics.yysval]b4_location_if([, &yys->yyloc])[]b4_user_args[); NULL]b4_location_if([, &yys->yyloc])[]b4_user_args[);
YYFPRINTF (stderr, "\n"); YYFPRINTF (stderr, "\n");
} }
#endif #endif