Future/bison
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/bison.git synced 2026-03-09 20:33:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

c: add support for YYNOMEM

Browse Source 
Suggested by Joe Nelson <joe@begriffs.com>.
https://lists.gnu.org/r/help-bison/2020-12/msg00020.html

* data/skeletons/glr.c, data/skeletons/yacc.c (YYNOMEM): New.
Use it.
(yyexhaustedlab): Rename as...
(yynomemlab): this.
* tests/calc.at: Check it.
* doc/bison.texi: Document it.
Fix incorrect statements about non-existing constants for YYERROR etc.
This commit is contained in:
Akim Demaille
2021-01-16 09:17:07 +01:00
parent a9f9f317b5
commit 17fb1d0377
6 changed files with 67 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
data/skeletons/glr.c
View File

@@ -442,7 +442,7 @@ int yychar;])[
enum { YYENOMEM = -2 };
typedef enum { yyok, yyaccept, yyabort, yyerr } YYRESULTTAG;
typedef enum { yyok, yyaccept, yyabort, yyerr, yynomem } YYRESULTTAG;
#define YYCHK(YYE) \
do { \
@@ -898,7 +898,7 @@ yyfill (yyGLRStackItem *yyvsp, int *yylow, int yylow1, yybool yynormal)
* and top stack item YYVSP. YYLVALP points to place to put semantic
* value ($$), and yylocp points to place for location information
* (@@$). Returns yyok for normal return, yyaccept for YYACCEPT,
* yyerr for YYERROR, yyabort for YYABORT. */
* yyerr for YYERROR, yyabort for YYABORT, yynomem for YYNOMEM. */
static YYRESULTTAG
yyuserAction (yyRuleNum yyrule, int yyrhslen, yyGLRStackItem* yyvsp,
yyGLRStack* yystackp, YYPTRDIFF_T yyk,
@@ -915,6 +915,8 @@ yyuserAction (yyRuleNum yyrule, int yyrhslen, yyGLRStackItem* yyvsp,
# define YYACCEPT return yyaccept
# undef YYABORT
# define YYABORT return yyabort
# undef YYNOMEM
# define YYNOMEM return yynomem
# undef YYERROR
# define YYERROR return yyerrok, yyerr
# undef YYRECOVERING
@@ -965,6 +967,7 @@ yyuserAction (yyRuleNum yyrule, int yyrhslen, yyGLRStackItem* yyvsp,
# undef yyerrok
# undef YYABORT
# undef YYACCEPT
# undef YYNOMEM
# undef YYERROR
# undef YYBACKUP
# undef yyclearin
@@ -2431,6 +2434,7 @@ yyrecoverSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
case yyabort: goto yyabortlab; \
case yyaccept: goto yyacceptlab; \
case yyerr: goto yyuser_error; \
case yynomem: goto yyexhaustedlab; \
default: goto yybuglab; \
} \
} while (0)