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Diffstat (limited to 'Build/source/texk/web2c/luatexdir/lua52/lfunc.c')
-rw-r--r--Build/source/texk/web2c/luatexdir/lua52/lfunc.c161
1 files changed, 0 insertions, 161 deletions
diff --git a/Build/source/texk/web2c/luatexdir/lua52/lfunc.c b/Build/source/texk/web2c/luatexdir/lua52/lfunc.c
deleted file mode 100644
index 4fd27fe5ebb..00000000000
--- a/Build/source/texk/web2c/luatexdir/lua52/lfunc.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
-** $Id: lfunc.c,v 2.29 2012/05/08 13:53:33 roberto Exp $
-** Auxiliary functions to manipulate prototypes and closures
-** See Copyright Notice in lua.h
-*/
-
-
-#include <stddef.h>
-
-#define lfunc_c
-#define LUA_CORE
-
-#include "lua.h"
-
-#include "lfunc.h"
-#include "lgc.h"
-#include "lmem.h"
-#include "lobject.h"
-#include "lstate.h"
-
-
-
-Closure *luaF_newCclosure (lua_State *L, int n) {
- Closure *c = &luaC_newobj(L, LUA_TCCL, sizeCclosure(n), NULL, 0)->cl;
- c->c.nupvalues = cast_byte(n);
- return c;
-}
-
-
-Closure *luaF_newLclosure (lua_State *L, int n) {
- Closure *c = &luaC_newobj(L, LUA_TLCL, sizeLclosure(n), NULL, 0)->cl;
- c->l.p = NULL;
- c->l.nupvalues = cast_byte(n);
- while (n--) c->l.upvals[n] = NULL;
- return c;
-}
-
-
-UpVal *luaF_newupval (lua_State *L) {
- UpVal *uv = &luaC_newobj(L, LUA_TUPVAL, sizeof(UpVal), NULL, 0)->uv;
- uv->v = &uv->u.value;
- setnilvalue(uv->v);
- return uv;
-}
-
-
-UpVal *luaF_findupval (lua_State *L, StkId level) {
- global_State *g = G(L);
- GCObject **pp = &L->openupval;
- UpVal *p;
- UpVal *uv;
- while (*pp != NULL && (p = gco2uv(*pp))->v >= level) {
- GCObject *o = obj2gco(p);
- lua_assert(p->v != &p->u.value);
- if (p->v == level) { /* found a corresponding upvalue? */
- if (isdead(g, o)) /* is it dead? */
- changewhite(o); /* resurrect it */
- return p;
- }
- resetoldbit(o); /* may create a newer upval after this one */
- pp = &p->next;
- }
- /* not found: create a new one */
- uv = &luaC_newobj(L, LUA_TUPVAL, sizeof(UpVal), pp, 0)->uv;
- uv->v = level; /* current value lives in the stack */
- uv->u.l.prev = &g->uvhead; /* double link it in `uvhead' list */
- uv->u.l.next = g->uvhead.u.l.next;
- uv->u.l.next->u.l.prev = uv;
- g->uvhead.u.l.next = uv;
- lua_assert(uv->u.l.next->u.l.prev == uv && uv->u.l.prev->u.l.next == uv);
- return uv;
-}
-
-
-static void unlinkupval (UpVal *uv) {
- lua_assert(uv->u.l.next->u.l.prev == uv && uv->u.l.prev->u.l.next == uv);
- uv->u.l.next->u.l.prev = uv->u.l.prev; /* remove from `uvhead' list */
- uv->u.l.prev->u.l.next = uv->u.l.next;
-}
-
-
-void luaF_freeupval (lua_State *L, UpVal *uv) {
- if (uv->v != &uv->u.value) /* is it open? */
- unlinkupval(uv); /* remove from open list */
- luaM_free(L, uv); /* free upvalue */
-}
-
-
-void luaF_close (lua_State *L, StkId level) {
- UpVal *uv;
- global_State *g = G(L);
- while (L->openupval != NULL && (uv = gco2uv(L->openupval))->v >= level) {
- GCObject *o = obj2gco(uv);
- lua_assert(!isblack(o) && uv->v != &uv->u.value);
- L->openupval = uv->next; /* remove from `open' list */
- if (isdead(g, o))
- luaF_freeupval(L, uv); /* free upvalue */
- else {
- unlinkupval(uv); /* remove upvalue from 'uvhead' list */
- setobj(L, &uv->u.value, uv->v); /* move value to upvalue slot */
- uv->v = &uv->u.value; /* now current value lives here */
- gch(o)->next = g->allgc; /* link upvalue into 'allgc' list */
- g->allgc = o;
- luaC_checkupvalcolor(g, uv);
- }
- }
-}
-
-
-Proto *luaF_newproto (lua_State *L) {
- Proto *f = &luaC_newobj(L, LUA_TPROTO, sizeof(Proto), NULL, 0)->p;
- f->k = NULL;
- f->sizek = 0;
- f->p = NULL;
- f->sizep = 0;
- f->code = NULL;
- f->cache = NULL;
- f->sizecode = 0;
- f->lineinfo = NULL;
- f->sizelineinfo = 0;
- f->upvalues = NULL;
- f->sizeupvalues = 0;
- f->numparams = 0;
- f->is_vararg = 0;
- f->maxstacksize = 0;
- f->locvars = NULL;
- f->sizelocvars = 0;
- f->linedefined = 0;
- f->lastlinedefined = 0;
- f->source = NULL;
- return f;
-}
-
-
-void luaF_freeproto (lua_State *L, Proto *f) {
- luaM_freearray(L, f->code, f->sizecode);
- luaM_freearray(L, f->p, f->sizep);
- luaM_freearray(L, f->k, f->sizek);
- luaM_freearray(L, f->lineinfo, f->sizelineinfo);
- luaM_freearray(L, f->locvars, f->sizelocvars);
- luaM_freearray(L, f->upvalues, f->sizeupvalues);
- luaM_free(L, f);
-}
-
-
-/*
-** Look for n-th local variable at line `line' in function `func'.
-** Returns NULL if not found.
-*/
-const char *luaF_getlocalname (const Proto *f, int local_number, int pc) {
- int i;
- for (i = 0; i<f->sizelocvars && f->locvars[i].startpc <= pc; i++) {
- if (pc < f->locvars[i].endpc) { /* is variable active? */
- local_number--;
- if (local_number == 0)
- return getstr(f->locvars[i].varname);
- }
- }
- return NULL; /* not found */
-}
-