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Use b4_subtract where possible.

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* data/lalr1.cc (b4_subtract): Move to...
	* data/bison.m4: here.
	* data/glr.c (b4_rhs_data): Use it.
	* data/yacc.c (b4_rhs_value, b4_rhs_location): Use it.
This commit is contained in:
Akim Demaille
2008-11-17 08:48:00 +01:00
parent 6085ab0d78
commit bd187d7b65
5 changed files with 20 additions and 18 deletions
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10
data/lalr1.cc
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@@ -18,16 +18,6 @@
m4_include(b4_pkgdatadir/[c++.m4])
# b4_subtract(LHS, RHS)
# ---------------------
# Evaluate LHS - RHS if they are integer literals, otherwise expand
# to (LHS) - (RHS).
m4_define([b4_subtract],
[m4_bmatch([$1$2], [^[0123456789]*$],
[m4_eval([$1 - $2])],
[($1) - ($2)])])
# b4_args(ARG1, ...)
# _b4_args(ARG1, ...)
# -------------------