quakeforge/tools/qfcc/include/def.h

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/*
def.h
#DESCRIPTION#
Copyright (C) 2001 #AUTHOR#
Author: #AUTHOR#
Date: #DATE#
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifndef __def_h
#define __def_h
#include "QF/pr_comp.h"
#include "QF/pr_debug.h"
typedef struct def_s {
struct type_s *type;
const char *name;
int ofs;
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struct reloc_s *refs; // for relocations
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unsigned initialized:1; // for uninit var detection
unsigned constant:1; // 1 when a declaration included "= immediate"
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unsigned freed:1; // already freed from the scope
unsigned removed:1; // already removed from the symbol table
unsigned used:1; // unused local detection
unsigned absolute:1; // don't relocate (for temps for shorts)
unsigned managed:1; // managed temp
unsigned global:1; // globally declared def
unsigned external:1; // externally declared def
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unsigned local:1; // function local def
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string_t file; // source file
int line; // source line
int users; // ref counted temps
struct expr_s *expr; // temp expr using this def
struct def_s *def_next; // next def in scope
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struct def_s *next; // general purpose linking
struct scope_s *scope; // scope the var was defined in
struct defspace_s *space;
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struct def_s *parent; // vector/quaternion member
int obj_def; // index to def in qfo defs
void *return_addr; // who allocated this
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} def_t;
typedef struct defspace_s {
struct defspace_s *next;
struct locref_s *free_locs;
pr_type_t *data;
int size;
int max_size;
int (*grow) (struct defspace_s *space);
} defspace_t;
typedef enum {
sc_global,
sc_params,
sc_local,
} scope_type;
typedef struct scope_s {
struct scope_s *next;
scope_type type;
defspace_t *space;
def_t *head;
def_t **tail;
int num_defs;
struct scope_s *parent;
} scope_t;
typedef enum {
st_none,
st_global,
st_extern,
st_static,
st_local
} storage_class_t;
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extern def_t def_ret, def_parms[MAX_PARMS];
extern def_t def_void;
extern def_t def_function;
scope_t *new_scope (scope_type type, defspace_t *space, scope_t *parent);
defspace_t *new_defspace (void);
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void defspace_adddata (defspace_t *space, pr_type_t *data, int size);
def_t *get_def (struct type_s *type, const char *name, scope_t *scope,
storage_class_t storage);
def_t *new_def (struct type_s *type, const char *name, scope_t *scope);
int new_location (struct type_s *type, defspace_t *space);
void free_location (def_t *def);
def_t *get_tempdef (struct type_s *type, scope_t *scope);
void free_tempdefs ();
void reset_tempdefs ();
void flush_scope (scope_t *scope, int force_used);
void def_initialized (def_t *d);
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void clear_defs (void);
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#endif//__def_h