m4_define([_AT_BISON_OPTION_PUSHDEFS],
[m4_if([$1$2], $[1]$[2], [],
[m4_fatal([$0: Invalid arguments: $@])])dnl
-m4_pushdef([AT_LALR1_CC_IF],
-[m4_bmatch([$3], ["lalr1.cc"], [$1], [$2])])
-m4_pushdef([AT_GLR_CC_IF],
-[m4_bmatch([$3], ["glr.cc"], [$1], [$2])])
m4_pushdef([AT_SKEL_CC_IF],
-[m4_bmatch([$3], ["\(glr\|lalr1\).cc"], [$1], [$2])])
+[m4_bmatch([$3], [%language "[Cc]\+\+"\|%skeleton "[a-z0-9]+\.cc"], [$1], [$2])])
m4_pushdef([AT_GLR_IF],
-[m4_bmatch([$3], [%glr-parser], [$1], [$2])])
+[m4_bmatch([$3], [%glr-parser\|%skeleton "glr\.], [$1], [$2])])
+m4_pushdef([AT_LALR1_CC_IF],
+[AT_SKEL_CC_IF([AT_GLR_IF([$2], [$1])], [$2])])
+m4_pushdef([AT_GLR_CC_IF],
+[AT_SKEL_CC_IF([AT_GLR_IF([$1], [$2])], [$2])])
# Using yacc.c?
m4_pushdef([AT_YACC_IF],
-[m4_bmatch([$3], [%glr-parser\|%skeleton], [$2], [$1])])
+[m4_bmatch([$3], [%language\|%glr-parser\|%skeleton], [$2], [$1])])
m4_pushdef([AT_PARAM_IF],
[m4_bmatch([$3], [%parse-param], [$1], [$2])])
m4_pushdef([AT_LOCATION_IF],
[m4_bmatch([$3], [%locations], [$1], [$2])])
m4_pushdef([AT_PURE_IF],
[m4_bmatch([$3], [%pure-parser], [$1], [$2])])
+m4_pushdef([AT_PUSH_IF],
+[m4_bmatch([$3], [%push-parser\|%push-pull-parser], [$1], [$2])])
+m4_pushdef([AT_YACC_OR_PUSH_IF],
+[AT_YACC_IF([$1], [AT_PUSH_IF([$1], [$2])])])
m4_pushdef([AT_PURE_AND_LOC_IF],
[m4_bmatch([$3], [%locations.*%pure-parser\|%pure-parser.*%locations],
[$1], [$2])])
[AT_GLR_OR_PARAM_IF([AT_PURE_AND_LOC_IF([$1], [$2])],
[$2])])
# yyerror always sees the locations (when activated), except if
-# yacc & pure & !param.
+# (yacc & pure & !param). FIXME: This is wrong. See the manual.
m4_pushdef([AT_YYERROR_SEES_LOC_IF],
-[AT_LOCATION_IF([AT_YACC_IF([AT_PURE_IF([AT_PARAM_IF([$1], [$2])],
- [$1])],
- [$1])],
+[AT_LOCATION_IF([AT_YACC_OR_PUSH_IF([AT_PURE_IF([AT_PARAM_IF([$1], [$2])],
+ [$1])],
+ [$1])],
[$2])])
# The interface is pure: either because %pure-parser, or because we