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This commit is contained in:
Richard M. Stallman
1993-07-04 20:07:28 +00:00
parent ff51d159dd
commit fb75fa822d
3 changed files with 9 additions and 6 deletions
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5
src/bison.s1
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@@ -442,7 +442,8 @@ yydefault:
/* Do a reduction. yyn is the number of a rule to reduce with. */
yyreduce:
yylen = yyr2[yyn];
yyval = yyvsp[1-yylen]; /* implement default value of the action */
if (yylen > 0)
yyval = yyvsp[1-yylen]; /* implement default value of the action */
#if YYDEBUG != 0
if (yydebug)
@@ -460,7 +461,7 @@ yyreduce:
#endif
$ /* the action file gets copied in in place of this dollarsign */
#line 464 "bison.simple"
#line 465 "bison.simple"
yyvsp -= yylen;
yyssp -= yylen;

5
src/bison.simple
View File

@@ -442,7 +442,8 @@ yydefault:
/* Do a reduction. yyn is the number of a rule to reduce with. */
yyreduce:
yylen = yyr2[yyn];
yyval = yyvsp[1-yylen]; /* implement default value of the action */
if (yylen > 0)
yyval = yyvsp[1-yylen]; /* implement default value of the action */
#if YYDEBUG != 0
if (yydebug)
@@ -460,7 +461,7 @@ yyreduce:
#endif
$ /* the action file gets copied in in place of this dollarsign */
#line 464 "bison.simple"
#line 465 "bison.simple"
yyvsp -= yylen;
yyssp -= yylen;