Future/bison
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/bison.git synced 2026-03-09 12:23:04 +00:00
Code Issues Packages Projects Releases Wiki Activity

* data/glr.c (b4_lhs_value, b4_rhs_value, b4_rhs-location):

Browse Source 
Parenthesize rhs to avoid obscure problems with mistakes like
"foo$$bar = foo$1bar;".  Problem reported by twlevo at xs4all.
* data/lalr1.cc (b4_lhs_value, b4_rhs_value, b4_lhs_location,
b4_rhs_location): Likewise.
* data/yacc.c (b4_lhs_value, b4_rhs_value, b4_lhs_location,
b4_rhs_location): Likewise.
This commit is contained in:
Paul Eggert
2004-12-16 20:41:54 +00:00
parent fd19f2714f
commit bc82c5a593
4 changed files with 21 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
data/yacc.c
View File

@@ -93,7 +93,7 @@ m4_define([b4_int_type],
# --------------------
# Expansion of $<TYPE>$.
m4_define([b4_lhs_value],
[yyval[]m4_ifval([$1], [.$1])])
[(yyval[]m4_ifval([$1], [.$1]))])
# b4_rhs_value(RULE-LENGTH, NUM, [TYPE])
@@ -101,7 +101,7 @@ m4_define([b4_lhs_value],
# Expansion of $<TYPE>NUM, where the current rule has RULE-LENGTH
# symbols on RHS.
m4_define([b4_rhs_value],
[yyvsp@{m4_eval([$2 - $1])@}m4_ifval([$3], [.$3])])
[(yyvsp@{m4_eval([$2 - $1])@}m4_ifval([$3], [.$3]))])
@@ -113,7 +113,7 @@ m4_define([b4_rhs_value],
# -----------------
# Expansion of @$.
m4_define([b4_lhs_location],
[yyloc])
[(yyloc)])
# b4_rhs_location(RULE-LENGTH, NUM)
@@ -121,7 +121,7 @@ m4_define([b4_lhs_location],
# Expansion of @NUM, where the current rule has RULE-LENGTH symbols
# on RHS.
m4_define([b4_rhs_location],
[yylsp@{m4_eval([$2 - $1])@}])
[(yylsp@{m4_eval([$2 - $1])@})])