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do the builtin function lookup at load time rather than runtime and store

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the function address in the progs function descriptor. this will speed up
calls to builtin functions, especially when ranges get introduced.
This commit is contained in:
Bill Currie 2004-01-05 08:08:46 +00:00
parent dfc83c1f5f
commit 595280decb
3 changed files with 30 additions and 19 deletions
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5
include/QF/progs.h
View file

@ -185,6 +185,11 @@ typedef struct {
int binum;
} builtin_t;
typedef struct {
int first_statement;
builtin_proc func;
} bfunction_t;
ddef_t *PR_FindGlobal (progs_t *pr, const char *name);
ddef_t *ED_GlobalAtOfs (progs_t *pr, int ofs);

27
libs/gamecode/engine/pr_builtins.c
View file

@ -111,23 +111,34 @@ PR_FindBuiltin (progs_t *pr, const char *name)
int
PR_RelocateBuiltins (progs_t *pr)
{
int i;
int i, ind;
dfunction_t *func;
builtin_t *bi;
const char *bi_name;
for (i = 1; i < pr->progs->numfunctions; i++) {
func = pr->pr_functions + i;
if (func->first_statement)
if (func->first_statement > 0)
continue;
bi_name = PR_GetString (pr, func->s_name);
bi = PR_FindBuiltin (pr, bi_name);
if (!bi) {
Sys_Printf ("PR_RelocateBuiltins: %s: undefined builtin %s\n",
pr->progs_name, bi_name);
if (!func->first_statement) {
bi_name = PR_GetString (pr, func->s_name);
bi = PR_FindBuiltin (pr, bi_name);
if (!bi) {
Sys_Printf ("PR_RelocateBuiltins: %s: undefined builtin %s\n",
pr->progs_name, bi_name);
return 0;
}
func->first_statement = -bi->binum;
}
ind = -func->first_statement;
if (ind >= pr->numbuiltins || !(bi = pr->builtins[ind]) || !bi->proc) {
Sys_Printf ("Bad builtin call number: %d\n", ind);
return 0;
}
func->first_statement = -bi->binum;
((bfunction_t *) func)->func = bi->proc;
}
return 1;
}

17
libs/gamecode/engine/pr_exec.c
View file

@ -247,7 +247,7 @@ PR_ExecuteProgram (progs_t * pr, func_t fnum)
{
int exitdepth, profile, startprofile;
unsigned int pointer;
dfunction_t *f, *newf;
dfunction_t *f;
dstatement_t *st;
edict_t *ed;
pr_type_t *ptr;
@ -700,17 +700,12 @@ PR_ExecuteProgram (progs_t * pr, func_t fnum)
pr->pr_argc = st->op - OP_CALL0;
if (!OPA.func_var)
PR_RunError (pr, "NULL function");
newf = &pr->pr_functions[OPA.func_var];
if (newf->first_statement < 0) {
// negative statements are built in functions
int i = -newf->first_statement;
if (i >= pr->numbuiltins || !pr->builtins[i]
|| !pr->builtins[i]->proc)
PR_RunError (pr, "Bad builtin call number");
pr->builtins[i]->proc (pr);
f = &pr->pr_functions[OPA.func_var];
// negative statements are built in functions
if (f->first_statement < 0) {
((bfunction_t *) f)->func (pr);
} else {
PR_EnterFunction (pr, newf);
PR_EnterFunction (pr, f);
}
st = pr->pr_statements + pr->pr_xstatement;
break;