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b4_semantic_type_declare.

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* data/c++.m4 (b4_semantic_type_declare): New.
	Factors and generalizes what was in glr.cc and lalr1.cc.
	* data/variant.hh (b4_semantic_type_declare): Redefine it for
	variants.
	* data/lalr1.cc, data/glr.cc: Use it.
This commit is contained in:
Akim Demaille
2008-12-31 12:44:58 +01:00
parent 6a6e7f0c65
commit b9e4eb5b72
5 changed files with 37 additions and 24 deletions
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14
data/c++.m4
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@@ -97,6 +97,20 @@ m4_map_sep([ b4_token_enum], [,
## Semantic Values. ##
## ----------------- ##
# b4_semantic_type_declare
# ------------------------
# Declare semantic_type.
m4_define([b4_semantic_type_declare],
[ /// Symbol semantic values.
m4_ifdef([b4_stype],
[ union semantic_type
{b4_user_stype
};],
[m4_if(b4_tag_seen_flag, 0,
[[ typedef int semantic_type;]],
[[ typedef YYSTYPE semantic_type;]])])])
# b4_variant_if([IF-VARIANT-ARE-USED], [IF-NOT])
# ----------------------------------------------
m4_define([b4_variant_if],