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Pass the token type to yysyntax_error.

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* data/yacc.c (yysyntax_error): Take the transated token instead
	of the raw number.
	Adjust callers.
	* TODO: Update.
This commit is contained in:
Akim Demaille
2008-12-11 09:48:49 +01:00
parent 5860cc8c1c
commit 84eedf86fe
3 changed files with 14 additions and 11 deletions
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8
ChangeLog
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@@ -1,3 +1,11 @@
2008-12-11 Akim Demaille <demaille@gostai.com>
Pass the token type to yysyntax_error.
* data/yacc.c (yysyntax_error): Take the transated token instead
of the raw number.
Adjust callers.
* TODO: Update.
2008-12-11 Akim Demaille <demaille@gostai.com>
Formatting changes.

4
TODO
View File

@@ -156,10 +156,6 @@ other improvements and also made it faster (probably because memory
management is performed once instead of three times). I suggest that
we do the same in yacc.c.
** yysyntax_error
In lalr1.cc we invoke it with the translated lookahead (yytoken), and
yacc.c uses yychar. I don't see why.
** yysyntax_error
The code bw glr.c and yacc.c is really alike, we can certainly factor
some parts.

13
data/yacc.c
View File

@@ -822,14 +822,14 @@ yytnamerr (char *yyres, const char *yystr)
# endif
/* Copy into YYRESULT an error message about the unexpected token
YYCHAR while in state YYSTATE. Return the number of bytes copied,
YYTOKEN while in state YYSTATE. Return the number of bytes copied,
including the terminating null byte. If YYRESULT is null, do not
copy anything; just return the number of bytes that would be
copied. As a special case, return 0 if an ordinary "syntax error"
message will do. Return YYSIZE_MAXIMUM if overflow occurs during
size calculation. */
static YYSIZE_T
yysyntax_error (char *yyresult, int yystate, int yychar)
yysyntax_error (char *yyresult, int yystate, int yytoken)
{
int yyn = yypact[yystate];
@@ -837,8 +837,7 @@ yysyntax_error (char *yyresult, int yystate, int yychar)
return 0;
else
{
int yytype = YYTRANSLATE (yychar);
YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
YYSIZE_T yysize0 = yytnamerr (0, yytname[yytoken]);
YYSIZE_T yysize = yysize0;
YYSIZE_T yysize1;
int yysize_overflow = 0;
@@ -860,7 +859,7 @@ yysyntax_error (char *yyresult, int yystate, int yychar)
int yycount = 0;
int yyx;
yyarg[yycount++] = yytname[yytype];
yyarg[yycount++] = yytname[yytoken];
for (yyx = yyxbegin; yyx < yyxend; ++yyx)
if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
@@ -1417,7 +1416,7 @@ yyerrlab:
yyerror (]b4_yyerror_args[YY_("syntax error"));
#else
{
YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
YYSIZE_T yysize = yysyntax_error (0, yystate, yytoken);
if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
{
YYSIZE_T yyalloc = 2 * yysize;
@@ -1437,7 +1436,7 @@ yyerrlab:
if (0 < yysize && yysize <= yymsg_alloc)
{
(void) yysyntax_error (yymsg, yystate, yychar);
(void) yysyntax_error (yymsg, yystate, yytoken);
yyerror (]b4_yyerror_args[yymsg);
}
else