mirror of
https://git.code.sf.net/p/quake/quakeforge
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113 lines
2.9 KiB
C
113 lines
2.9 KiB
C
/*
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def.h
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#DESCRIPTION#
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Copyright (C) 2001 #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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$Id$
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*/
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#ifndef __def_h
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#define __def_h
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#include "QF/pr_comp.h"
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#include "QF/pr_debug.h"
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typedef struct def_s {
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struct type_s *type;
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const char *name;
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int ofs;
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struct reloc_s *refs; // for relocations
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unsigned initialized:1; // for uninit var detection
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unsigned constant:1; // 1 when a declaration included "= immediate"
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unsigned freed:1; // already freed from the scope
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unsigned removed:1; // already removed from the symbol table
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unsigned used:1; // unused local detection
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unsigned global:1; // globally declared def
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unsigned absolute:1; // don't relocate (for temps for shorts)
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unsigned managed:1; // managed temp
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string_t file; // source file
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int line; // source line
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int users; // ref counted temps
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struct expr_s *expr; // temp expr using this def
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struct def_s *def_next; // next def in scope
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struct def_s *next; // general purpose linking
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struct scope_s *scope; // scope the var was defined in
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struct defspace_s *space;
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struct def_s *parent; // vector/quaternion member
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void *return_addr; // who allocated this
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} def_t;
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typedef struct defspace_s {
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struct defspace_s *next;
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struct locref_s *free_locs;
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pr_type_t *data;
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int size;
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int max_size;
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int (*grow) (struct defspace_s *space);
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} defspace_t;
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typedef enum {
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sc_global,
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sc_params,
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sc_local,
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} scope_type;
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typedef struct scope_s {
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struct scope_s *next;
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scope_type type;
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defspace_t *space;
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def_t *head;
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def_t **tail;
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int num_defs;
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struct scope_s *parent;
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} scope_t;
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extern def_t def_ret, def_parms[MAX_PARMS];
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extern def_t def_void;
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extern def_t def_function;
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scope_t *new_scope (scope_type type, defspace_t *space, scope_t *parent);
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defspace_t *new_defspace (void);
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def_t *get_def (struct type_s *type, const char *name, scope_t *scope,
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int allocate);
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def_t *new_def (struct type_s *type, const char *name, scope_t *scope);
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int new_location (struct type_s *type, defspace_t *space);
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void free_location (def_t *def);
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def_t *get_tempdef (struct type_s *type, scope_t *scope);
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void free_tempdefs ();
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void reset_tempdefs ();
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void flush_scope (scope_t *scope, int force_used);
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void def_initialized (def_t *d);
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#endif//__def_h
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