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* data/glr.c (yyresolveLocations): Rename local variables to avoid

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shadowing warnings.  Use usual patter for iterating through RHS.
* tests/glr-regression.at
(Uninitialized location when reporting ambiguity):
Modify yylex so that it uses its argument, rather than trying
to rely on ARGSUSED (which doesn't work for gcc with warnings).
const char -> char const.
This commit is contained in:
Paul Eggert
2006-03-07 06:42:23 +00:00
parent 73f2e47e51
commit 6d05403db4
3 changed files with 29 additions and 20 deletions
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8
ChangeLog
View File

@@ -1,5 +1,13 @@
2006-03-06 Paul Eggert <eggert@cs.ucla.edu>
* data/glr.c (yyresolveLocations): Rename local variables to avoid
shadowing warnings. Use usual patter for iterating through RHS.
* tests/glr-regression.at
(Uninitialized location when reporting ambiguity):
Modify yylex so that it uses its argument, rather than trying
to rely on ARGSUSED (which doesn't work for gcc with warnings).
const char -> char const.
* tests/Makefile.am ($(srcdir)/package.m4, maintainer-check-valgrind):
Don't use tabs inside commands; it messes up 'ps'.
Problem reported by twlevo.

30
data/glr.c
View File

@@ -1803,43 +1803,43 @@ yyreportAmbiguity (yySemanticOption* yyx0,
return yyabort;
}
/** Starting at and including state S, resolve the location for each of the
* previous N states that is unresolved. The first semantic option of a state
/** Starting at and including state S1, resolve the location for each of the
* previous N1 states that is unresolved. The first semantic option of a state
* is always chosen. */
static void
yyresolveLocations (yyGLRState* yys, int yyn,
yyresolveLocations (yyGLRState* yys1, int yyn1,
yyGLRStack *yystackp]b4_user_formals[)
{
if (0 < yyn)
if (0 < yyn1)
{
yyresolveLocations (yys->yypred, yyn-1, yystackp]b4_user_args[);
if (!yys->yyresolved)
yyresolveLocations (yys1->yypred, yyn1 - 1, yystackp]b4_user_args[);
if (!yys1->yyresolved)
{
yySemanticOption *yyoption;
yyGLRStackItem yyrhs[1 + YYMAXRHS];
yyGLRStackItem yyrhsloc[1 + YYMAXRHS];
int yynrhs;
int yychar_current;
YYSTYPE yylval_current;
YYLTYPE yylloc_current;
yyoption = yys->yysemantics.yyfirstVal;
yyoption = yys1->yysemantics.yyfirstVal;
YYASSERT (yyoption != NULL);
yynrhs = yyrhsLength (yyoption->yyrule);
if (yynrhs > 0)
{
yyGLRState *yys;
int yyi;
int yyn;
yyresolveLocations (yyoption->yystate, yynrhs,
yystackp]b4_user_args[);
for (yys = yyoption->yystate, yyi = yynrhs;
yyi >= 1;
yys = yys->yypred, yyi -= 1)
yyrhs[yyi].yystate.yyloc = yys->yyloc;
for (yys = yyoption->yystate, yyn = yynrhs;
yyn > 0;
yys = yys->yypred, yyn -= 1)
yyrhsloc[yyn].yystate.yyloc = yys->yyloc;
}
else
{
yyGLRState *yyprevious = yyoption->yystate;
YYASSERT (yyprevious->yyresolved);
yyrhs[0].yystate.yyloc = yyprevious->yyloc;
yyrhsloc[0].yystate.yyloc = yyprevious->yyloc;
}
yychar_current = yychar;
yylval_current = yylval;
@@ -1847,7 +1847,7 @@ yyresolveLocations (yyGLRState* yys, int yyn,
yychar = yyoption->yyrawchar;
yylval = yyoption->yyval;
yylloc = yyoption->yyloc;
YYLLOC_DEFAULT ((yys->yyloc), yyrhs, yynrhs);
YYLLOC_DEFAULT ((yys1->yyloc), yyrhsloc, yynrhs);
yychar = yychar_current;
yylval = yylval_current;
yylloc = yylloc_current;

11
tests/glr-regression.at
View File

@@ -972,7 +972,7 @@ AT_DATA_GRAMMAR([glr-regr12.y],
start:
alt1 %dprec 1
| alt2 %dprec 2
;
;
alt1:
PARENT_RHS_AFTER {
@@ -1547,7 +1547,7 @@ yyerror (char const *msg)
static int
yylex (void)
{
static const char *input = "ab";
static char const *input = "ab";
if (*input == 'b')
lookahead_value = 1;
return *input++;
@@ -1627,11 +1627,12 @@ yyerror (YYLTYPE *locp, char const *msg)
locp->first_column, locp->last_line, locp->last_column, msg);
}
/*ARGSUSED*/ static int
static int
yylex (YYSTYPE *lvalp, YYLTYPE *llocp)
{
static const char input[] = "ab";
static const char *inputp = input;
static char const input[] = "ab";
static char const *inputp = input;
lvalp->dummy = 0;
llocp->first_line = llocp->last_line = 2;
llocp->first_column = inputp - input + 1;
llocp->last_column = llocp->first_column + 1;