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* src/lalr.h, src/lalr.c (goto_number_t): New.

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* src/lalr.c (goto_list_t): New.
Propagate them.
* src/nullable.c (rule_list_t): New.
Propagate.
* src/types.h: Remove.
This commit is contained in:
Akim Demaille
2002-07-03 10:54:33 +00:00
parent e1a4f3a428
commit e68e0410ab
7 changed files with 55 additions and 60 deletions
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16
src/nullable.c
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@@ -1,5 +1,5 @@
/* Part of the bison parser generator,
Copyright 1984, 1989, 2000, 2001 Free Software Foundation, Inc.
Copyright (C) 1984, 1989, 2000, 2001, 2002 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
@@ -26,11 +26,17 @@
#include "system.h"
#include "getargs.h"
#include "symtab.h"
#include "types.h"
#include "gram.h"
#include "reduce.h"
#include "nullable.h"
/* Linked list of rule numbers. */
typedef struct rule_list_s
{
struct rule_list_s *next;
rule_number_t value;
} rule_list_t;
char *nullable = NULL;
static void
@@ -49,16 +55,16 @@ set_nullable (void)
rule_number_t ruleno;
symbol_number_t *s1;
symbol_number_t *s2;
shorts *p;
rule_list_t *p;
symbol_number_t *squeue = XCALLOC (symbol_number_t, nvars);
short *rcount = XCALLOC (short, nrules + 1);
/* RITEM contains all the rules, including useless productions.
Hence we must allocate room for useless nonterminals too. */
shorts **rsets = XCALLOC (shorts *, nvars) - ntokens;
rule_list_t **rsets = XCALLOC (rule_list_t *, nvars) - ntokens;
/* This is said to be more elements than we actually use.
Supposedly NRITEMS - NRULES is enough. But why take the risk? */
shorts *relts = XCALLOC (shorts, nritems + nvars + 1);
rule_list_t *relts = XCALLOC (rule_list_t, nritems + nvars + 1);
if (trace_flag)
fprintf (stderr, "Entering set_nullable\n");