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In some (weird) cases, the final state number is incorrect.

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Reported by Alexandre Duret-Lutz.
* src/LR0.c (state_list_append): Remove the computation of
final_state.
(save_reductions): Do it here.
(get_state): Alpha conversion.
(generate_states): Use a for loop.
* src/gram.h (item_number_is_rule_number)
(item_number_is_symbol_number): New.
* src/state.c: Use assert.
* src/system.h: Include assert.h.
* tests/sets.at (Accept): New.
This commit is contained in:
Akim Demaille
2005-11-09 15:48:05 +00:00
parent 317fce927c
commit 36b5e963e6
5 changed files with 59 additions and 34 deletions
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13
src/gram.h
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@@ -1,6 +1,6 @@
/* Data definitions for internal representation of Bison's input.
Copyright (C) 1984, 1986, 1989, 1992, 2001, 2002, 2003, 2004
Copyright (C) 1984, 1986, 1989, 1992, 2001, 2002, 2003, 2004, 2005
Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
@@ -138,6 +138,12 @@ item_number_as_symbol_number (item_number i)
return i;
}
static inline bool
item_number_is_symbol_number (item_number i)
{
return i >= 0;
}
/* Rule numbers. */
typedef int rule_number;
extern rule_number nrules;
@@ -154,6 +160,11 @@ item_number_as_rule_number (item_number i)
return -1 - i;
}
static inline bool
item_number_is_rule_number (item_number i)
{
return i < 0;
}
/*--------.
| Rules. |