+b4_c_function_def([[yyparse]], [[int]], b4_parse_param)[
+{
+ return yypull_parse (0]m4_ifset([b4_parse_param],
+ [[, ]b4_c_args(b4_parse_param)])[);
+}
+
+]b4_c_function_def([[yypull_parse]], [[int]],
+ [[[yypstate *yyps]], [[yyps]]]m4_ifset([b4_parse_param], [,
+ b4_parse_param]))[
+{
+ int yystatus;
+ yypstate *yyps_local;]b4_pure_if([[
+ int yychar;
+ YYSTYPE yylval;]b4_locations_if([[
+ YYLTYPE yylloc;]])])[
+ if (yyps == 0)
+ {
+ yyps_local = yypstate_new ();
+ if (!yyps_local)
+ {]b4_pure_if([[
+ yyerror (]b4_yyerror_args[YY_("memory exhausted"));]], [[
+ if (!yypstate_allocated)
+ yyerror (]b4_yyerror_args[YY_("memory exhausted"));]])[
+ return 2;
+ }
+ }
+ else
+ yyps_local = yyps;
+ do {
+ yychar = YYLEX;
+ yystatus =
+ yypush_parse (yyps_local]b4_pure_if([[, yychar, &yylval]b4_locations_if([[, &yylloc]])])m4_ifset([b4_parse_param], [, b4_c_args(b4_parse_param)])[);
+ } while (yystatus == YYPUSH_MORE);
+ if (yyps == 0)
+ yypstate_delete (yyps_local);
+ return yystatus;
+}]])[
+
+/* Initialize the parser data structure. */
+]b4_c_function_def([[yypstate_new]], [[yypstate *]])[
+{
+ yypstate *yyps;]b4_pure_if([], [[
+ if (yypstate_allocated)
+ return 0;]])[
+ yyps = (yypstate *) malloc (sizeof *yyps);
+ if (!yyps)
+ return 0;
+ yyps->yynew = 1;]b4_pure_if([], [[
+ yypstate_allocated = 1;]])[
+ return yyps;
+}
+
+]b4_c_function_def([[yypstate_delete]], [[void]],
+ [[[yypstate *yyps]], [[yyps]]])[
+{
+#ifndef yyoverflow
+ /* If the stack was reallocated but the parse did not complete, then the
+ stack still needs to be freed. */
+ if (!yyps->yynew && yyps->yyss != yyps->yyssa)
+ YYSTACK_FREE (yyps->yyss);
+#endif
+ free (yyps);]b4_pure_if([], [[
+ yypstate_allocated = 0;]])[
+}