2002-08-03 06:04:00 +00:00
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/*
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#FILENAME#
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#DESCRIPTION#
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Copyright (C) 2002 #AUTHOR#
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Author: #AUTHOR#
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Date: #DATE#
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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2002-08-08 09:20:00 +00:00
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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2003-02-14 22:42:11 +00:00
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static __attribute__ ((unused))
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const char rcsid[] =
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"$Id$";
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2003-01-15 15:31:36 +00:00
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2002-08-03 06:04:00 +00:00
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#include <stdlib.h>
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2003-01-28 21:16:21 +00:00
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#include <string.h>
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2002-08-03 06:04:00 +00:00
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2002-08-27 04:47:49 +00:00
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#include "QF/sys.h"
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2002-08-03 06:04:00 +00:00
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#include "QF/dstring.h"
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#include "QF/hash.h"
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2002-08-05 00:01:06 +00:00
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#include "QF/cbuf.h"
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#include "QF/va.h"
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2003-04-13 22:07:58 +00:00
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#include "QF/gib.h"
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#include "gib_buffer.h"
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#include "gib_tree.h"
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#include "gib_function.h"
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#include "gib_vars.h"
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2002-08-03 06:04:00 +00:00
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2003-02-14 22:42:11 +00:00
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hashtab_t *gib_functions = 0;
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2002-08-03 06:04:00 +00:00
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2002-08-08 09:20:00 +00:00
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/*
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GIB_Function_New
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Builds a new function struct and returns
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a pointer to it.
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*/
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2003-01-06 18:28:13 +00:00
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static gib_function_t *
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2003-01-28 21:16:21 +00:00
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GIB_Function_New (const char *name)
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2002-08-03 06:04:00 +00:00
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{
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gib_function_t *new = calloc (1, sizeof (gib_function_t));
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2003-02-14 22:42:11 +00:00
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new->text = dstring_newstr ();
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2003-01-28 21:16:21 +00:00
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new->name = strdup (name);
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2002-08-03 06:04:00 +00:00
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return new;
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}
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2002-08-08 09:20:00 +00:00
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/*
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Hashtable callbacks
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*/
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2003-01-06 18:28:13 +00:00
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static const char *
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2002-08-03 06:04:00 +00:00
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GIB_Function_Get_Key (void *ele, void *ptr)
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{
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2003-02-14 22:42:11 +00:00
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return ((gib_function_t *) ele)->name;
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2002-08-03 06:04:00 +00:00
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}
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2003-02-14 08:06:01 +00:00
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2003-01-06 18:28:13 +00:00
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static void
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2002-08-03 06:04:00 +00:00
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GIB_Function_Free (void *ele, void *ptr)
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{
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2003-02-14 22:42:11 +00:00
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gib_function_t *func = (gib_function_t *) ele;
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2003-01-28 21:16:21 +00:00
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dstring_delete (func->text);
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2003-02-14 22:42:11 +00:00
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free ((void *) func->name);
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2003-01-28 21:16:21 +00:00
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if (func->program)
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2003-01-30 23:26:43 +00:00
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GIB_Tree_Free_Recursive (func->program);
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2003-02-14 08:06:01 +00:00
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if (func->script && !(--func->script->refs)) {
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2003-02-14 22:42:11 +00:00
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free ((void *) func->script->text);
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free ((void *) func->script->file);
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2003-02-14 08:06:01 +00:00
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free (func->script);
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}
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2003-01-03 04:15:32 +00:00
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free (func);
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2002-08-03 06:04:00 +00:00
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}
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2002-08-08 09:20:00 +00:00
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/*
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GIB_Function_Define
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2003-01-28 21:16:21 +00:00
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Sets the program and text of a GIB function,
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2002-08-08 09:20:00 +00:00
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allocating one and adding it to the functions
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hash if needed.
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*/
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2002-08-03 06:04:00 +00:00
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void
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2003-02-14 22:42:11 +00:00
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GIB_Function_Define (const char *name, const char *text, gib_tree_t * program,
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gib_script_t * script, hashtab_t * globals)
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2002-08-03 06:04:00 +00:00
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{
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gib_function_t *func;
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2003-02-14 22:42:11 +00:00
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2003-02-14 08:06:01 +00:00
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GIB_Tree_Ref (&program);
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if (script)
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script->refs++;
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2002-08-03 06:04:00 +00:00
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if (!gib_functions)
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2003-02-14 22:42:11 +00:00
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gib_functions =
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Hash_NewTable (1024, GIB_Function_Get_Key, GIB_Function_Free, 0);
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2003-01-30 23:26:43 +00:00
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2003-02-14 22:42:11 +00:00
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func = Hash_Find (gib_functions, name);
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2003-01-28 21:16:21 +00:00
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if (func) {
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dstring_clearstr (func->text);
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2003-02-14 08:06:01 +00:00
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GIB_Tree_Unref (&func->program);
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if (func->script && !(--func->script->refs)) {
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2003-02-14 22:42:11 +00:00
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free ((void *) func->script->text);
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free ((void *) func->script->file);
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2003-02-14 08:06:01 +00:00
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free (func->script);
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}
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2003-01-28 21:16:21 +00:00
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} else {
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func = GIB_Function_New (name);
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2002-08-03 06:04:00 +00:00
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Hash_Add (gib_functions, func);
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}
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2003-01-28 21:16:21 +00:00
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dstring_appendstr (func->text, text);
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func->program = program;
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func->globals = globals;
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2003-02-14 08:06:01 +00:00
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func->script = script;
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2002-08-03 06:04:00 +00:00
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}
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2002-08-08 09:20:00 +00:00
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/*
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GIB_Function_Find
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Looks up a function in the function hash
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and returns a pointer to it on success,
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0 otherwise
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*/
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2002-08-03 06:04:00 +00:00
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gib_function_t *
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GIB_Function_Find (const char *name)
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{
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if (!gib_functions)
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return 0;
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return (gib_function_t *) Hash_Find (gib_functions, name);
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}
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2002-08-05 00:01:06 +00:00
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2002-11-14 02:10:55 +00:00
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void
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2003-04-11 02:57:11 +00:00
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GIB_Function_Prepare_Args (cbuf_t * cbuf, const char **args, unsigned int argc)
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{
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static hashtab_t *zero = 0;
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unsigned int i;
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gib_var_t *var;
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static char argss[] = "args";
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var =
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GIB_Var_Get_Complex (&GIB_DATA (cbuf)->locals, &zero, argss, &i, true);
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var->array = realloc (var->array, sizeof (struct gib_varray_s) * argc);
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memset (var->array + 1, 0, (argc - 1) * sizeof (struct gib_varray_s));
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var->size = argc;
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for (i = 0; i < argc; i++) {
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if (var->array[i].value)
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dstring_clearstr (var->array[i].value);
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else
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var->array[i].value = dstring_newstr ();
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dstring_appendstr (var->array[i].value, args[i]);
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}
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}
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void
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GIB_Function_Prepare_Args_D (cbuf_t * cbuf, dstring_t **args, unsigned int argc)
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2002-11-14 02:10:55 +00:00
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{
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2003-01-28 21:16:21 +00:00
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static hashtab_t *zero = 0;
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unsigned int i;
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2003-02-14 22:42:11 +00:00
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gib_var_t *var;
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2003-01-30 23:26:43 +00:00
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static char argss[] = "args";
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2003-01-28 21:16:21 +00:00
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2003-02-14 22:42:11 +00:00
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var =
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GIB_Var_Get_Complex (&GIB_DATA (cbuf)->locals, &zero, argss, &i, true);
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2003-02-16 19:46:34 +00:00
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var->array = realloc (var->array, sizeof (struct gib_varray_s) * argc);
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memset (var->array + 1, 0, (argc - 1) * sizeof (struct gib_varray_s));
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2003-01-30 23:26:43 +00:00
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var->size = argc;
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for (i = 0; i < argc; i++) {
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2003-02-16 02:44:24 +00:00
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if (var->array[i].value)
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dstring_clearstr (var->array[i].value);
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2003-01-28 21:16:21 +00:00
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else
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2003-02-16 02:44:24 +00:00
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var->array[i].value = dstring_newstr ();
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dstring_appendstr (var->array[i].value, args[i]->str);
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2003-01-28 21:16:21 +00:00
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}
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2002-11-14 02:10:55 +00:00
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}
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2002-08-08 09:20:00 +00:00
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/*
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GIB_Function_Execute
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2002-08-27 04:47:49 +00:00
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Prepares a buffer to execute
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a GIB function with certain arguments
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2002-08-08 09:20:00 +00:00
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*/
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2002-11-14 02:10:55 +00:00
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2002-08-05 00:01:06 +00:00
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void
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2003-04-11 02:57:11 +00:00
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GIB_Function_Execute (cbuf_t * cbuf, gib_function_t * func, const char ** args,
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2003-02-14 22:42:11 +00:00
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unsigned int argc)
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2002-08-05 00:01:06 +00:00
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{
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2003-02-14 08:06:01 +00:00
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GIB_Tree_Ref (&func->program);
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if (func->script)
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func->script->refs++;
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2003-01-30 23:26:43 +00:00
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GIB_Buffer_Set_Program (cbuf, func->program);
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2003-02-14 22:42:11 +00:00
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GIB_DATA (cbuf)->script = func->script;
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GIB_DATA (cbuf)->globals = func->globals;
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2003-01-30 23:26:43 +00:00
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GIB_Function_Prepare_Args (cbuf, args, argc);
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2002-08-05 00:01:06 +00:00
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}
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2003-04-11 02:57:11 +00:00
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void
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GIB_Function_Execute_D (cbuf_t * cbuf, gib_function_t * func, dstring_t ** args,
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unsigned int argc)
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{
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GIB_Tree_Ref (&func->program);
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if (func->script)
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func->script->refs++;
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GIB_Buffer_Set_Program (cbuf, func->program);
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GIB_DATA (cbuf)->script = func->script;
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GIB_DATA (cbuf)->globals = func->globals;
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GIB_Function_Prepare_Args_D (cbuf, args, argc);
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}
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