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christos
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@ -1,5 +1,5 @@
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%{
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/* $NetBSD: mkmake.y,v 1.4 1998/03/06 18:11:53 christos Exp $ */
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/* $NetBSD: mkmake.y,v 1.5 1998/03/09 21:34:13 christos Exp $ */
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/*-
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* Copyright (c) 1988 The Regents of the University of California.
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* All rights reserved.
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@ -33,9 +33,13 @@
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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/*static char sccsid[] = "from: @(#)mkmake.y 4.2 (Berkeley) 4/26/91";*/
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static char rcsid[] = "$NetBSD: mkmake.y,v 1.4 1998/03/06 18:11:53 christos Exp $";
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#if 0
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static char sccsid[] = "@(#)mkmake.y 4.2 (Berkeley) 4/26/91";
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#else
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__RCSID("$NetBSD: mkmake.y,v 1.5 1998/03/09 21:34:13 christos Exp $");
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#endif
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#endif /* not lint */
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typedef struct string {
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@ -76,6 +80,7 @@ typedef struct same {
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*shell_item; /* If a shell variable, current value */
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} same_t;
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%}
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%union {
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@ -301,8 +306,45 @@ white_space : WHITE_SPACE
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;
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%%
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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/* mkmake.y */
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void yyerror __P((char *));
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void assign __P((same_t *, same_t *));
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int yylex __P((void));
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extern int yyparse __P((void));
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int main __P((int, char *[]));
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static int visitcheck __P((same_t *));
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static int string_hashof __P((char *, int));
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static int string_same __P((string_t *, string_t *));
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static string_t *string_lookup __P((char *));
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static same_t *same_search __P((same_t *, same_t *));
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static same_t *same_cat __P((same_t *, same_t *));
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static same_t *same_item __P((string_t *));
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static same_t *same_copy __P((same_t *));
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static same_t *same_merge __P((same_t *, same_t *));
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static void same_free __P((same_t *));
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static same_t *same_unlink __P((same_t *));
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static void same_replace __P((same_t *, same_t *));
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static same_t *same_char __P((int));
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static void add_target __P((same_t *, same_t *));
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static same_t *add_targets_actions __P((same_t *, same_t *));
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static same_t *add_depends __P((same_t *, same_t *));
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static same_t *value_of __P((same_t *));
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static same_t *expand_variables __P((same_t *, int));
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static same_t *ws_merge __P((same_t *));
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static same_t *variable __P((same_t *));
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static same_t *shell_variable __P((same_t *));
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static same_t *for_statement __P((same_t *, same_t *, same_t *));
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static same_t *do_command __P((same_t *, same_t *));
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static int Getchar __P((void));
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static int token_type __P((char *));
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#if 0
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static void dump_same __P((same_t *));
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#endif
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static void do_dump __P((void));
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static int last_char, last_saved = 0;
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static int column = 0, lineno = 1;
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@ -311,11 +353,8 @@ static string_t
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*strings = 0;
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static same_t
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*shell_variables = 0,
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*shell_special = 0,
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*variables = 0,
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*targets = 0,
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*actions = 0;
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*targets = 0;
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static same_t
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*null,
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@ -323,8 +362,6 @@ static same_t
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*cwd_line,
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*newline;
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extern char *malloc();
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static unsigned int
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clock = -1;
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@ -340,6 +377,7 @@ struct {
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#define visit_next(via) (visit_stack[clock].next = 1, (via) = (via)->nexttoken)
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#define visit_end() (clock--)
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void
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yyerror(s)
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char *s;
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{
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@ -347,7 +385,7 @@ char *s;
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do_dump();
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}
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int
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static int
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visitcheck(same)
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same_t *same;
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{
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@ -358,7 +396,7 @@ same_t *same;
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return 0;
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}
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int
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static int
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string_hashof(string, length)
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char *string;
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int length;
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@ -366,12 +404,12 @@ int length;
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register int i = 0;
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while (length--) {
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i = (i<<3) + *string ^ ((i>>28)&0x7);
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i = ((i<<3) + *string) ^ ((i>>28)&0x7);
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}
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return i;
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}
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int
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static int
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string_same(s1, s2)
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string_t
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*s1, *s2;
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@ -384,7 +422,7 @@ string_t
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}
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}
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string_t *
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static string_t *
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string_lookup(string)
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char *string;
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{
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@ -418,7 +456,7 @@ char *string;
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#define same_singleton(s) ((s)->nexttoken == (s))
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same_t *
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static same_t *
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same_search(list, token)
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same_t
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*list,
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@ -440,7 +478,7 @@ same_t
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return 0;
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}
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same_t *
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static same_t *
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same_cat(list, tokens)
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same_t
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*list,
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@ -463,7 +501,7 @@ same_t
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}
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}
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same_t *
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static same_t *
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same_item(string)
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string_t *string;
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{
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@ -479,7 +517,7 @@ string_t *string;
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return ptr;
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}
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same_t *
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static same_t *
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same_copy(same)
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same_t *same;
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{
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@ -497,7 +535,7 @@ same_t *same;
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}
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same_t *
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static same_t *
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same_merge(t1, t2)
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same_t
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*t1,
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@ -524,7 +562,7 @@ same_t
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}
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void
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static void
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same_free(list)
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same_t *list;
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{
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@ -543,7 +581,7 @@ same_t *list;
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} while (token != list);
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}
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same_t *
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static same_t *
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same_unlink(token)
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same_t
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*token;
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@ -562,7 +600,7 @@ same_t
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return tmp;
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}
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void
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static void
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same_replace(old, new)
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same_t
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*old,
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@ -579,7 +617,7 @@ same_t
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}
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same_t *
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static same_t *
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same_char(ch)
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char ch;
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{
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@ -592,7 +630,7 @@ char ch;
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}
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void
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static void
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add_target(target, actions)
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same_t
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*target,
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@ -615,7 +653,7 @@ same_t
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}
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same_t *
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static same_t *
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add_targets_actions(target, actions)
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same_t
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*target,
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@ -636,7 +674,7 @@ same_t
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return 0;
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}
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same_t *
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static same_t *
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add_depends(target, depends)
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same_t
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*target,
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@ -677,7 +715,7 @@ same_t
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variables = same_cat(variables, variable);
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}
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same_t *
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static same_t *
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value_of(variable)
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same_t *variable;
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{
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@ -691,7 +729,7 @@ same_t *variable;
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}
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same_t *
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static same_t *
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expand_variables(token, free)
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same_t *token;
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int free;
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@ -722,11 +760,11 @@ int free;
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}
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same_t *
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static same_t *
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ws_merge(list)
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same_t *list;
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{
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same_t *newlist = 0, *item;
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same_t *newlist = 0, *item = NULL;
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int what = 0;
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while (list) {
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@ -756,7 +794,7 @@ same_t *list;
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}
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same_t *
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static same_t *
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variable(var_name)
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same_t *var_name;
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{
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@ -765,7 +803,7 @@ same_t *var_name;
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char *newname;
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if ((newname = malloc(length+1+3)) == 0) {
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fprintf("Out of space for a variable name.\n");
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fprintf(stderr, "Out of space for a variable name.\n");
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exit(1);
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}
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newname[0] = '$';
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@ -779,7 +817,7 @@ same_t *var_name;
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}
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same_t *
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static same_t *
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shell_variable(var_name)
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same_t *var_name;
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{
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@ -788,7 +826,7 @@ same_t *var_name;
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char *newname;
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if ((newname = malloc(length+1+2)) == 0) {
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fprintf("Out of space for a variable name.\n");
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fprintf(stderr, "Out of space for a variable name.\n");
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exit(1);
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}
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newname[0] = '$';
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@ -800,7 +838,7 @@ same_t *var_name;
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return resolved;
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}
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same_t *
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static same_t *
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for_statement(special, variable, list)
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same_t
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*special,
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@ -812,7 +850,7 @@ same_t
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return variable;
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}
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same_t *
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static same_t *
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do_command(forlist, commands)
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same_t
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*forlist,
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@ -856,7 +894,7 @@ same_t
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}
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int
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static int
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Getchar()
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{
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if (last_saved) {
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@ -878,7 +916,7 @@ Getchar()
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}
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int
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static int
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token_type(string)
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char *string;
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{
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@ -909,6 +947,7 @@ char *string;
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}
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int
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yylex()
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{
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#define ret_token(c) if (bufptr != buffer) { \
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@ -1019,9 +1058,11 @@ yylex()
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Return(EOF, 0);
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}
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main()
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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#define YYDEBUG
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extern int yydebug;
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null = same_item(string_lookup(""));
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@ -1038,7 +1079,8 @@ main()
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return 0;
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}
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#if defined(YYDEBUG)
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#if 0
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static void
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dump_same(same)
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same_t *same;
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{
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@ -1049,8 +1091,9 @@ same_t *same;
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}
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visit_end();
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}
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#endif /* YYDEBUG */
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#endif
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static void
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do_dump()
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{
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string_t *string;
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