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* src/reader.c (grammar_midrule_action): If $$ is set in a

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mid-rule, move the `used' bit to its lhs.
* tests/input.at (Unused values): New.
* tests/actions.at (Exotic Dollars): Adjust: exp is not typed.
This commit is contained in:
Akim Demaille
2006-01-04 08:32:46 +00:00
parent f52b276c55
commit 378f4bd846
6 changed files with 72 additions and 9 deletions
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6
tests/actions.at
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@@ -1,5 +1,5 @@
# Executing Actions. -*- Autotest -*-
# Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -107,7 +107,7 @@ AT_DATA_GRAMMAR([[input.y]],
};
%type <val> a_1 a_2 a_5
exp sum_of_the_five_previous_values
sum_of_the_five_previous_values
%%
exp: a_1 a_2 { $<val>$ = 3; } { $<val>$ = $<val>3 + 1; } a_5
@@ -146,7 +146,7 @@ main (void)
}
]])
AT_CHECK([bison -d -v -o input.c input.y], 0, [],
AT_CHECK([bison -d -v -o input.c input.y], 0, [],
[input.y:30.6-34.5: warning: unused value: $1
input.y:30.6-34.5: warning: unused value: $2
input.y:30.6-34.5: warning: unused value: $5