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(goto_map, ngotos, from_state, to_state): Omit

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initial values, since they're never used.
(set_goto_map): ngotos is now unsigned, so test for overflow
This commit is contained in:
Paul Eggert
2004-10-22 23:08:33 +00:00
parent dba08b0461
commit 4cf44c0045
1 changed files with 6 additions and 6 deletions
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12
src/lalr.c
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@@ -42,10 +42,10 @@
#include "relation.h" #include "relation.h"
#include "symtab.h" #include "symtab.h"
goto_number *goto_map = NULL; goto_number *goto_map;
static goto_number ngotos = 0; static goto_number ngotos;
state_number *from_state = NULL; state_number *from_state;
state_number *to_state = NULL; state_number *to_state;
/* Linked list of goto numbers. */ /* Linked list of goto numbers. */
typedef struct goto_list typedef struct goto_list
@@ -90,9 +90,9 @@ set_goto_map (void)
int i; int i;
for (i = sp->num - 1; i >= 0 && TRANSITION_IS_GOTO (sp, i); --i) for (i = sp->num - 1; i >= 0 && TRANSITION_IS_GOTO (sp, i); --i)
{ {
if (ngotos >= GOTO_NUMBER_MAXIMUM)
abort ();
ngotos++; ngotos++;
if (! ngotos)
abort ();
goto_map[TRANSITION_SYMBOL (sp, i) - ntokens]++; goto_map[TRANSITION_SYMBOL (sp, i) - ntokens]++;
} }
} }