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2007-01-30 Paolo Bonzini <bonzini@gnu.org>

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* data/bison.m4 (b4_percent_define_flag_if): Don't treat 0 as false.
	Complain if the value does not match empty, "true" or "false".
	* data/c++.m4: Adjust default definitions of %define variables.
	* data/java.m4: Adjust default definitions of %define variables.
	* doc/bison.texinfo (Decl Summary): Adjust the %define entry according
	to above behavior.
	* tests/input.at (Boolean %define variables): Test new behavior.
This commit is contained in:
Paolo Bonzini
2007-01-30 08:01:29 +00:00
parent 8405b70c05
commit c1d19e10c3
6 changed files with 49 additions and 16 deletions
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20
tests/input.at
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@@ -820,3 +820,23 @@ input.y:5.9-16: warning: %define variable `special2' is not used
]])
AT_CLEANUP
## --------------------------- ##
## Boolean %define variables. ##
## --------------------------- ##
AT_SETUP([Boolean %define variables])
AT_DATA([Input.y],
[[%language "Java"
%define public "maybe"
%define parser_class_name "Input"
%%
start: ;
]])
AT_CHECK([[bison Input.y]], [1], [],
[[Input.y: invalid value for %define variable `public'
]])
AT_CLEANUP