Future/bison
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/bison.git synced 2026-03-15 23:33:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

%define token.prefix.

Browse Source 
Provide a means to add a prefix to the name of the tokens as output in the
generated files.  Because of name clashes, it is good to have such a
prefix such as TOK_ that protects from names such as EOF, FILE etc.
But it clutters the grammar itself.

	* data/bison.m4 (token.prefix): Empty by default.
	* data/c.m4 (b4_token_enum, b4_token_define): Use it.
	* data/lalr1.cc (b4_symbol): Ditto.
This commit is contained in:
Akim Demaille
2008-09-01 16:58:13 +02:00
parent 3204049e31
commit 5679f31101
4 changed files with 24 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
data/lalr1.cc
View File

@@ -146,9 +146,10 @@ m4_define([b4_rhs_location],
# b4_symbol(NUM, FIELD)
# ---------------------
# Recover a FIELD about symbol #NUM. Thanks to m4_indir, fails if
# undefined.
# undefined. If FIELD = id, prepend the prefix.
m4_define([b4_symbol],
[m4_indir([b4_symbol($1, $2)])])
[m4_if([$2], [id], [b4_percent_define_get([token.prefix])])dnl
m4_indir([b4_symbol($1, $2)])])
# b4_symbol_if(NUM, FIELD, IF-TRUE, IF-FALSE)