1 /* This file is derived from the Lua source code. Please see lua.h for
2 the copyright statement.
7 #define api_incr_top(L) {api_check(L, L->top < L->ci->top); L->top++;}
9 void pdep_pushobject (lua_State *L, const TValue *o) {
10 setobj2s(L, L->top, o);
14 void *pdep_realloc_ (lua_State *L, void *block, size_t osize, size_t nsize) {
15 global_State *g = G(L);
16 lua_assert((osize == 0) == (block == NULL));
17 block = (*g->frealloc)(g->ud, block, osize, nsize);
18 lua_assert((nsize == 0) == (block == NULL));
19 g->totalbytes = (g->totalbytes - osize) + nsize;
23 void pdep_link (lua_State *L, GCObject *o, lu_byte tt) {
24 global_State *g = G(L);
25 o->gch.next = g->rootgc;
27 o->gch.marked = luaC_white(g);
31 Proto *pdep_newproto (lua_State *L) {
32 Proto *f = pdep_new(L, Proto);
33 pdep_link(L, obj2gco(f), LUA_TPROTO);
51 f->lastlinedefined = 0;
56 Closure *pdep_newLclosure (lua_State *L, int nelems, Table *e) {
57 Closure *c = cast(Closure *, pdep_malloc(L, sizeLclosure(nelems)));
58 pdep_link(L, obj2gco(c), LUA_TFUNCTION);
61 c->l.nupvalues = cast_byte(nelems);
62 while (nelems--) c->l.upvals[nelems] = NULL;
66 static void correctstack (lua_State *L, TValue *oldstack) {
69 L->top = (L->top - oldstack) + L->stack;
70 for (up = L->openupval; up != NULL; up = up->gch.next)
71 gco2uv(up)->v = (gco2uv(up)->v - oldstack) + L->stack;
72 for (ci = L->base_ci; ci <= L->ci; ci++) {
73 ci->top = (ci->top - oldstack) + L->stack;
74 ci->base = (ci->base - oldstack) + L->stack;
75 ci->func = (ci->func - oldstack) + L->stack;
77 L->base = (L->base - oldstack) + L->stack;
81 void pdep_reallocstack (lua_State *L, int newsize) {
82 TValue *oldstack = L->stack;
83 int realsize = newsize + 1 + EXTRA_STACK;
84 lua_assert(L->stack_last - L->stack == L->stacksize - EXTRA_STACK - 1);
85 pdep_reallocvector(L, L->stack, L->stacksize, realsize, TValue);
86 L->stacksize = realsize;
87 L->stack_last = L->stack+newsize;
88 correctstack(L, oldstack);
91 void pdep_growstack (lua_State *L, int n) {
92 if (n <= L->stacksize) /* double size is enough? */
93 pdep_reallocstack(L, 2*L->stacksize);
95 pdep_reallocstack(L, L->stacksize + n);
98 void pdep_reallocCI (lua_State *L, int newsize) {
99 CallInfo *oldci = L->base_ci;
100 pdep_reallocvector(L, L->base_ci, L->size_ci, newsize, CallInfo);
101 L->size_ci = newsize;
102 L->ci = (L->ci - oldci) + L->base_ci;
103 L->end_ci = L->base_ci + L->size_ci - 1;
106 TString *pdep_newlstr (lua_State *L, const char *str, size_t l) {
108 lua_pushlstring(L, str, l);
109 res = rawtsvalue(L->top-1);