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14-fyi-rule-user-number.patch
From: |
Akim Demaille |
Subject: |
14-fyi-rule-user-number.patch |
Date: |
Sun, 07 Apr 2002 17:23:56 +0200 |
Index: ChangeLog
from Akim Demaille <address@hidden>
* src/gram.h (rule_t): Rename `number' as `user_number'.
`number' is a new member.
Adjust dependencies.
* src/reduce.c (reduce_grammar_tables): Renumber rule_t.number.
Index: src/gram.h
--- src/gram.h Mon, 25 Mar 2002 21:34:54 +0100 akim
+++ src/gram.h Thu, 04 Apr 2002 19:38:31 +0200 akim
@@ -1,5 +1,5 @@
/* Data definitions for internal representation of bison's input,
- Copyright 1984, 1986, 1989, 1992, 2001, 2002
+ Copyright (C) 1984, 1986, 1989, 1992, 2001, 2002
Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
@@ -118,6 +118,10 @@
{
/* The number of the rule in the source. It is usually the index in
RULES too, except if there are useless rules. */
+ short user_number;
+
+ /* The index in RULES. Usually the rule number in the source,
+ except if some rules are useless. */
short number;
bucket *lhs;
Index: src/reader.c
--- src/reader.c Mon, 25 Mar 2002 21:34:54 +0100 akim
+++ src/reader.c Thu, 04 Apr 2002 19:37:17 +0200 akim
@@ -1687,6 +1687,7 @@
while (p)
{
bucket *ruleprec = p->ruleprec;
+ rules[ruleno].user_number = ruleno;
rules[ruleno].number = ruleno;
rules[ruleno].lhs = p->sym;
rules[ruleno].rhs = ritem + itemno;
Index: src/reduce.c
--- src/reduce.c Wed, 03 Apr 2002 23:01:52 +0200 akim
+++ src/reduce.c Thu, 04 Apr 2002 19:40:36 +0200 akim
@@ -255,6 +255,7 @@
for (/* Nothing. */; *rhsp >= 0; ++rhsp)
/* Nothing. */;
*rhsp = -i;
+ rules[i].number = i;
}
nrules -= nuseless_productions;
}
@@ -368,7 +369,7 @@
for (i = nrules + 1; i < nuseless_productions + nrules + 1; i++)
{
rule r;
- fprintf (out, "#%-4d ", rules[i].number - 1);
+ fprintf (out, "#%-4d ", rules[i].user_number - 1);
fprintf (out, "%s:", rules[i].lhs->tag);
for (r = rules[i].rhs; *r >= 0; r++)
fprintf (out, " %s", symbols[*r]->tag);
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