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quakeforge/include/QF/progs.h

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/*
progs.h
(description)
Copyright (C) 1996-1997 Id Software, Inc.
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 __QF_progs_h
#define __QF_progs_h
#include "QF/link.h"
#include "QF/pr_comp.h"
#include "QF/pr_debug.h"
#include "QF/quakeio.h"
#define MAX_ENT_LEAFS 16
typedef struct edict_s
{
qboolean free;
link_t area; // linked to a division node or leaf
int num_leafs;
short leafnums[MAX_ENT_LEAFS];
float freetime; // sv.time when the object was freed
void *data; // external per-edict data
pr_type_t v[1]; // fields from progs
} edict_t;
#define EDICT_FROM_AREA(l) STRUCT_FROM_LINK(l,edict_t,area)
#ifndef PROGS_T
typedef struct progs_s progs_t;
#define PROGS_T
#endif
#ifndef PR_RESOURCE_T
typedef struct pr_resource_s pr_resource_t;
#define PR_RESOURCE_T
#endif
//============================================================================
void PR_Init (void);
void PR_Init_Cvars (void);
void PR_PrintStatement (progs_t * pr, dstatement_t *s);
void PR_EnterFunction (progs_t * pr, dfunction_t *f);
void PR_ExecuteProgram (progs_t *pr, func_t fnum);
void PR_LoadProgsFile (progs_t * pr, QFile *file, int size, int edicts,
int zone);
void PR_LoadProgs (progs_t *pr, const char *progsname, int edicts, int zone);
void PR_LoadStrings (progs_t *pr);
void PR_LoadDebug (progs_t *pr);
edict_t *PR_InitEdicts (progs_t *pr, int num_edicts);
void PR_Check_Opcodes (progs_t *pr);
void PR_Profile_f (void);
void ED_ClearEdict (progs_t * pr, edict_t *e, int val);
edict_t *ED_Alloc (progs_t *pr);
void ED_Free (progs_t *pr, edict_t *ed);
void ED_Print (progs_t *pr, edict_t *ed);
void ED_Write (progs_t *pr, QFile *f, edict_t *ed);
const char *ED_ParseEdict (progs_t *pr, const char *data, edict_t *ent);
void ED_WriteGlobals (progs_t *pr, QFile *f);
void ED_ParseGlobals (progs_t *pr, const char *data);
void ED_LoadFromFile (progs_t *pr, const char *data);
ddef_t *ED_FieldAtOfs (progs_t *pr, int ofs);
ddef_t *ED_FindField (progs_t *pr, const char *name);
int ED_GetFieldIndex (progs_t *pr, const char *name);
dfunction_t *ED_FindFunction (progs_t *pr, const char *name);
int PR_AccessField (progs_t *pr, const char *name, etype_t type,
const char *file, int line);
//define EDICT_NUM(p,n) ((edict_t *)(*(p)->edicts+ (n)*(p)->pr_edict_size))
//define NUM_FOR_EDICT(p,e) (((byte *)(e) - *(p)->edicts)/(p)->pr_edict_size)
edict_t *EDICT_NUM(progs_t *pr, int n);
int NUM_FOR_EDICT(progs_t *pr, edict_t *e);
int NUM_FOR_BAD_EDICT(progs_t *pr, edict_t *e);
qboolean PR_EdictValid (progs_t *pr, int e);
#define NEXT_EDICT(p,e) ((edict_t *)( (byte *)e + (p)->pr_edict_size))
#define PR_edicts(p) ((byte *)*(p)->edicts)
#define EDICT_TO_PROG(p,e) ((byte *)(e) - PR_edicts (p))
#define PROG_TO_EDICT(p,e) ((edict_t *)(PR_edicts (p) + (e)))
//============================================================================
#define G_var(p,o,t) ((p)->pr_globals[o].t##_var)
#define G_FLOAT(p,o) G_var (p, o, float)
#define G_INT(p,o) G_var (p, o, integer)
#define G_UINT(p,o) G_var (p, o, uinteger)
#define G_VECTOR(p,o) G_var (p, o, vector)
#define G_STRING(p,o) G_var (p, o, string)
#define G_FUNCTION(p,o) G_var (p, o, func)
#define G_POINTER(p,o) G_var (p, o, pointer)
#define G_EDICT(p,o) ((edict_t *)(PR_edicts (p) + G_INT (p, o)))
#define G_EDICTNUM(p,o) NUM_FOR_EDICT(p, G_EDICT (p, o))
#define G_GSTRING(p,o) PR_GetString (p, G_STRING (p, o))
#define G_GPOINTER(p,o) PR_GetPointer (p, o)
#define G_STRUCT(p,t,o) (*(t *)G_GPOINTER (p, o))
#define P_var(p,n,t) ((p)->pr_params[n]->t##_var)
#define P_FLOAT(p,n) P_var (p, n, float)
#define P_INT(p,n) P_var (p, n, integer)
#define P_UINT(p,n) P_var (p, n, uinteger)
#define P_VECTOR(p,n) P_var (p, n, vector)
#define P_STRING(p,n) P_var (p, n, string)
#define P_FUNCTION(p,n) P_var (p, n, func)
#define P_POINTER(p,n) P_var (p, n, pointer)
#define P_EDICT(p,n) ((edict_t *)(PR_edicts (p) + P_INT (p, n)))
#define P_EDICTNUM(p,n) NUM_FOR_EDICT (p, P_EDICT (p, n))
#define P_GSTRING(p,n) PR_GetString (p, P_STRING (p, n))
#define P_GPOINTER(p,n) PR_GetPointer (p, P_POINTER (p, n))
#define P_STRUCT(p,t,n) (*(t *)P_GPOINTER (p, n))
#define R_var(p,t) ((p)->pr_return->t##_var)
#define R_FLOAT(p) R_var (p, float)
#define R_INT(p) R_var (p, integer)
#define R_UINT(p) R_var (p, uinteger)
#define R_VECTOR(p) R_var (p, vector)
#define R_STRING(p) R_var (p, string)
#define R_FUNCTION(p) R_var (p, func)
#define R_POINTER(p) R_var (p, pointer)
#define RETURN_STRING(p, s) (R_STRING (p) = PR_SetString((p), s))
#define RETURN_EDICT(p, e) (R_STRING (p) = EDICT_TO_PROG(p, e))
#define RETURN_POINTER(pr,p) (R_POINTER (pr) = POINTER_TO_PROG (pr, p))
#define RETURN_VECTOR(p, v) (VectorCopy (v, R_VECTOR (p)))
#define E_var(e,o,t) ((e)->v[o].t##_var)
#define E_FLOAT(e,o) E_var (e, o, float)
#define E_INT(e,o) E_var (e, o, integer)
#define E_UINT(e,o) E_var (e, o, uinteger)
#define E_VECTOR(e,o) E_var (e, o, vector)
#define E_STRING(e,o) E_var (e, o, string)
#define E_FUNCTION(p) E_var (p, o, func)
#define E_POINTER(p) E_var (p, o, pointer)
#define E_GSTRING(p,e,o) (PR_GetString (p, E_STRING (e, o)))
typedef void (*builtin_proc) (progs_t *pr);
typedef struct {
const char *name;
builtin_proc proc;
int first_statement;
} builtin_t;
ddef_t *PR_FindGlobal (progs_t *pr, const char *name);
ddef_t *ED_GlobalAtOfs (progs_t * pr, int ofs);
pr_type_t *PR_GetGlobalPointer (progs_t *pr, const char *name);
func_t PR_GetFunctionIndex (progs_t *pr, const char *name);
int PR_GetFieldOffset (progs_t *pr, const char *name);
void PR_Error (progs_t *pr, const char *error, ...) __attribute__((format(printf,2,3), noreturn));
void PR_RunError (progs_t *pr, const char *error, ...) __attribute__((format(printf,2,3), noreturn));
void ED_PrintEdicts (progs_t *pr, const char *fieldval);
void ED_PrintNum (progs_t *pr, int ent);
void ED_Count (progs_t *pr);
void PR_Profile (progs_t *pr);
const char *PR_GlobalString (progs_t *pr, int ofs, etype_t type);
const char *PR_GlobalStringNoContents (progs_t *pr, int ofs, etype_t type);
pr_type_t *GetEdictFieldValue(progs_t *pr, edict_t *ed, const char *field);
void PR_AddBuiltin (progs_t *pr, const char *name, builtin_proc builtin, int num);
builtin_t *PR_FindBuiltin (progs_t *pr, const char *name);
int PR_RelocateBuiltins (progs_t *pr);
int PR_ResolveGlobals (progs_t *pr);
//
// PR Obj stuff
//
void PR_Obj_Progs_Init (progs_t *pr);
void PR_InitRuntime (progs_t *pr);
//
// PR Strings stuff
//
qboolean PR_StringValid (progs_t *pr, int num);
char *PR_GetString(progs_t *pr, int num);
int PR_SetString(progs_t *pr, const char *s);
void PR_GarbageCollect (progs_t *pr);
//
// PR Resources stuff
//
void PR_Resources_Init (progs_t *pr);
void PR_Resources_Clear (progs_t *pr);
void PR_Resources_Register (progs_t *pr, const char *name, void *data,
void (*clear)(progs_t *, void *));
void *PR_Resources_Find (progs_t *pr, const char *name);
//
// PR Zone stuff
//
void PR_Zone_Init (progs_t *pr);
void PR_Zone_Free (progs_t *pr, void *ptr);
void *PR_Zone_Malloc (progs_t *pr, int size);
void *PR_Zone_Realloc (progs_t *pr, void *ptr, int size);
//
// PR Debug stuff
//
void PR_Debug_Init (void);
void PR_Debug_Init_Cvars (void);
pr_auxfunction_t *PR_Get_Lineno_Func (progs_t *pr, pr_lineno_t *lineno);
unsigned int PR_Get_Lineno_Addr (progs_t *pr, pr_lineno_t *lineno);
unsigned int PR_Get_Lineno_Line (progs_t *pr, pr_lineno_t *lineno);
pr_lineno_t *PR_Find_Lineno (progs_t *pr, unsigned int addr);
const char *PR_Get_Source_File (progs_t *pr, pr_lineno_t *lineno);
const char *PR_Get_Source_Line (progs_t *pr, unsigned int addr);
ddef_t *PR_Get_Local_Def (progs_t *pr, int offs);
void PR_DumpState (progs_t *pr);
void PR_StackTrace (progs_t * pr);
extern struct cvar_s *pr_debug;
extern struct cvar_s *pr_deadbeef_ents;
extern struct cvar_s *pr_deadbeef_locals;
extern struct cvar_s *pr_boundscheck;
extern struct cvar_s *pr_faultchecks;
extern const char *pr_gametype;
//
// PR Cmds stuff
//
const char *PF_VarString (progs_t *pr, int first);
void PR_Cmds_Init (progs_t *pr);
//============================================================================
#define MAX_STACK_DEPTH 32
#define LOCALSTACK_SIZE 2048
typedef struct {
int s;
dfunction_t *f;
} prstack_t;
typedef struct strref_s {
struct strref_s * next;
char *string;
int count;
} strref_t;
struct progs_s {
const char *progs_name;
dprograms_t *progs;
int progs_size;
struct memzone_s *zone;
int zone_size;
struct hashtab_s *builtin_hash;
struct hashtab_s *function_hash;
struct hashtab_s *global_hash;
struct hashtab_s *field_hash;
// garbage collected strings
strref_t *static_strings;
strref_t **dynamic_strings;
strref_t *free_string_refs;
unsigned int dyn_str_size;
struct hashtab_s *strref_hash;
int num_strings;
dfunction_t *pr_functions;
char *pr_strings;
int pr_stringsize;
ddef_t *pr_globaldefs;
ddef_t *pr_fielddefs;
dstatement_t *pr_statements;
pr_type_t *pr_globals; // same as pr_global_struct
int globals_size;
pr_type_t *pr_return;
pr_type_t *pr_params[MAX_PARMS];
int pr_param_size; // covers both params and return
int pr_edict_size; // in bytes
int pr_edictareasize; // for bounds checking, starts at 0
int pr_argc;
qboolean pr_trace;
dfunction_t *pr_xfunction;
int pr_xstatement;
prstack_t pr_stack[MAX_STACK_DEPTH];
int pr_depth;
int localstack[LOCALSTACK_SIZE];
int localstack_used;
edict_t **edicts;
int *num_edicts;
int *reserved_edicts; //alloc will start at reserved_edicts+1
double *time;
int null_bad;
int no_exec_limit;
unsigned short crc;
void (*unlink)(edict_t *ent);
void (*flush)(void);
int (*parse_field)(progs_t *pr, const char *key, const char *value);
int (*prune_edict)(progs_t *pr, edict_t *ent);
void (*free_edict)(progs_t *pr, edict_t *ent);
void (*file_error)(progs_t *pr, const char *path);
void *(*load_file)(progs_t *pr, const char *path);
void *(*allocate_progs_mem)(progs_t *pr, int size);
void (*free_progs_mem)(progs_t *pr, void *mem);
builtin_t **builtins;
int numbuiltins;
pr_resource_t *resources;
struct hashtab_s *resource_hash;
// obj info
struct hashtab_s *selectors;
struct hashtab_s *classes;
struct hashtab_s *categories;
struct hashtab_s *protocols;
// debug info
char *debugfile;
struct pr_debug_header_s *debug;
struct pr_auxfunction_s *auxfunctions;
struct pr_auxfunction_s **auxfunction_map;
struct pr_lineno_s *linenos;
ddef_t *local_defs;
// required globals
struct {
float *time;
int *self;
} globals;
// required fields (offsets into the edict)
struct {
int nextthink;
int frame;
int think;
int this;
} fields;
};
static inline pr_type_t *
PR_GetPointer (progs_t *pr, int o)
{
return o ? pr->pr_globals + o : 0;
}
static inline pointer_t
POINTER_TO_PROG (progs_t *pr, void *p)
{
return p ? (pr_type_t *) p - pr->pr_globals : 0;
}
#endif//__QF_progs_h
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