2 * Copyright 2011 Jacek Caban for CodeWeavers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "wine/debug.h"
25 WINE_DEFAULT_DEBUG_CHANNEL(vbscript);
37 dynamic_var_t *dynamic_vars;
47 typedef HRESULT (*instr_func_t)(exec_ctx_t*);
77 static BOOL lookup_dynamic_vars(dynamic_var_t *var, const WCHAR *name, ref_t *ref)
80 if(!strcmpiW(var->name, name)) {
81 ref->type = var->is_const ? REF_CONST : REF_VAR;
92 static HRESULT lookup_identifier(exec_ctx_t *ctx, BSTR name, vbdisp_invoke_type_t invoke_type, ref_t *ref)
100 static const WCHAR errW[] = {'e','r','r',0};
102 if(invoke_type == VBDISP_LET
103 && (ctx->func->type == FUNC_FUNCTION || ctx->func->type == FUNC_PROPGET || ctx->func->type == FUNC_DEFGET)
104 && !strcmpiW(name, ctx->func->name)) {
106 ref->u.v = &ctx->ret_val;
110 for(i=0; i < ctx->func->var_cnt; i++) {
111 if(!strcmpiW(ctx->func->vars[i].name, name)) {
113 ref->u.v = ctx->vars+i;
118 for(i=0; i < ctx->func->arg_cnt; i++) {
119 if(!strcmpiW(ctx->func->args[i].name, name)) {
121 ref->u.v = ctx->args+i;
126 if(lookup_dynamic_vars(ctx->func->type == FUNC_GLOBAL ? ctx->script->global_vars : ctx->dynamic_vars, name, ref))
129 hres = disp_get_id(ctx->this_obj, name, invoke_type, TRUE, &id);
130 if(SUCCEEDED(hres)) {
131 ref->type = REF_DISP;
132 ref->u.d.disp = ctx->this_obj;
137 if(ctx->func->type != FUNC_GLOBAL && lookup_dynamic_vars(ctx->script->global_vars, name, ref))
140 for(func = ctx->script->global_funcs; func; func = func->next) {
141 if(!strcmpiW(func->name, name)) {
142 ref->type = REF_FUNC;
148 LIST_FOR_EACH_ENTRY(item, &ctx->script->named_items, named_item_t, entry) {
149 if((item->flags & SCRIPTITEM_GLOBALMEMBERS) && item->disp != ctx->this_obj) {
150 hres = disp_get_id(item->disp, name, invoke_type, FALSE, &id);
151 if(SUCCEEDED(hres)) {
152 ref->type = REF_DISP;
153 ref->u.d.disp = item->disp;
159 if((item->flags & SCRIPTITEM_ISVISIBLE) && !strcmpiW(item->name, name)) {
163 hres = IActiveScriptSite_GetItemInfo(ctx->script->site, name, SCRIPTINFO_IUNKNOWN, &unk, NULL);
165 WARN("GetItemInfo failed: %08x\n", hres);
169 hres = IUnknown_QueryInterface(unk, &IID_IDispatch, (void**)&item->disp);
170 IUnknown_Release(unk);
172 WARN("object does not implement IDispatch\n");
178 ref->u.obj = item->disp;
183 if(!strcmpiW(name, errW)) {
185 ref->u.obj = (IDispatch*)&ctx->script->err_obj->IDispatchEx_iface;
189 hres = vbdisp_get_id(ctx->script->global_obj, name, invoke_type, TRUE, &id);
190 if(SUCCEEDED(hres)) {
191 ref->type = REF_DISP;
192 ref->u.d.disp = (IDispatch*)&ctx->script->global_obj->IDispatchEx_iface;
197 ref->type = REF_NONE;
201 static HRESULT add_dynamic_var(exec_ctx_t *ctx, const WCHAR *name, BOOL is_const, VARIANT *val, BOOL own_val)
203 dynamic_var_t *new_var;
209 heap = ctx->func->type == FUNC_GLOBAL ? &ctx->script->heap : &ctx->heap;
211 new_var = vbsheap_alloc(heap, sizeof(*new_var));
213 return E_OUTOFMEMORY;
215 size = (strlenW(name)+1)*sizeof(WCHAR);
216 str = vbsheap_alloc(heap, size);
218 return E_OUTOFMEMORY;
219 memcpy(str, name, size);
221 new_var->is_const = is_const;
226 hres = VariantCopy(&new_var->v, val);
231 if(ctx->func->type == FUNC_GLOBAL) {
232 new_var->next = ctx->script->global_vars;
233 ctx->script->global_vars = new_var;
235 new_var->next = ctx->dynamic_vars;
236 ctx->dynamic_vars = new_var;
242 static inline VARIANT *stack_pop(exec_ctx_t *ctx)
245 return ctx->stack + --ctx->top;
248 static inline VARIANT *stack_top(exec_ctx_t *ctx, unsigned n)
250 assert(ctx->top >= n);
251 return ctx->stack + (ctx->top-n-1);
254 static HRESULT stack_push(exec_ctx_t *ctx, VARIANT *v)
256 if(ctx->stack_size == ctx->top) {
259 new_stack = heap_realloc(ctx->stack, ctx->stack_size*2);
262 return E_OUTOFMEMORY;
265 ctx->stack = new_stack;
266 ctx->stack_size *= 2;
269 ctx->stack[ctx->top++] = *v;
273 static void stack_popn(exec_ctx_t *ctx, unsigned n)
276 VariantClear(stack_pop(ctx));
279 static HRESULT stack_pop_val(exec_ctx_t *ctx, variant_val_t *v)
283 var = stack_pop(ctx);
285 if(V_VT(var) == (VT_BYREF|VT_VARIANT)) {
287 var = V_VARIANTREF(var);
292 if(V_VT(var) == VT_DISPATCH) {
296 hres = disp_call(ctx->script, V_DISPATCH(var), DISPID_VALUE, &dp, &v->store);
298 IDispatch_Release(V_DISPATCH(var));
311 static inline void release_val(variant_val_t *v)
317 static HRESULT stack_pop_disp(exec_ctx_t *ctx, IDispatch **ret)
319 VARIANT *v = stack_pop(ctx);
321 if(V_VT(v) == VT_DISPATCH) {
322 *ret = V_DISPATCH(v);
326 if(V_VT(v) != (VT_VARIANT|VT_BYREF)) {
327 FIXME("not supported type: %s\n", debugstr_variant(v));
333 if(V_VT(v) != VT_DISPATCH) {
334 FIXME("not disp %s\n", debugstr_variant(v));
339 IDispatch_AddRef(V_DISPATCH(v));
340 *ret = V_DISPATCH(v);
344 static inline void instr_jmp(exec_ctx_t *ctx, unsigned addr)
346 ctx->instr = ctx->code->instrs + addr;
349 static void vbstack_to_dp(exec_ctx_t *ctx, unsigned arg_cnt, DISPPARAMS *dp)
352 dp->rgdispidNamedArgs = NULL;
359 assert(ctx->top >= arg_cnt);
361 for(i=1; i*2 <= arg_cnt; i++) {
362 tmp = ctx->stack[ctx->top-i];
363 ctx->stack[ctx->top-i] = ctx->stack[ctx->top-arg_cnt+i-1];
364 ctx->stack[ctx->top-arg_cnt+i-1] = tmp;
367 dp->rgvarg = ctx->stack + ctx->top-arg_cnt;
373 static HRESULT do_icall(exec_ctx_t *ctx, VARIANT *res)
375 BSTR identifier = ctx->instr->arg1.bstr;
376 const unsigned arg_cnt = ctx->instr->arg2.uint;
381 hres = lookup_identifier(ctx, identifier, VBDISP_CALLGET, &ref);
385 vbstack_to_dp(ctx, arg_cnt, &dp);
391 FIXME("REF_VAR no res\n");
396 FIXME("arguments not implemented\n");
400 V_VT(res) = VT_BYREF|VT_VARIANT;
401 V_BYREF(res) = V_VT(ref.u.v) == (VT_VARIANT|VT_BYREF) ? V_VARIANTREF(ref.u.v) : ref.u.v;
404 hres = disp_call(ctx->script, ref.u.d.disp, ref.u.d.id, &dp, res);
409 hres = exec_script(ctx->script, ref.u.f, NULL, &dp, res);
415 FIXME("arguments on object\n");
420 IDispatch_AddRef(ref.u.obj);
421 V_VT(res) = VT_DISPATCH;
422 V_DISPATCH(res) = ref.u.obj;
426 FIXME("%s not found\n", debugstr_w(identifier));
427 return DISP_E_UNKNOWNNAME;
430 stack_popn(ctx, arg_cnt);
434 static HRESULT interp_icall(exec_ctx_t *ctx)
441 hres = do_icall(ctx, &v);
445 return stack_push(ctx, &v);
448 static HRESULT interp_icallv(exec_ctx_t *ctx)
451 return do_icall(ctx, NULL);
454 static HRESULT do_mcall(exec_ctx_t *ctx, VARIANT *res)
456 const BSTR identifier = ctx->instr->arg1.bstr;
457 const unsigned arg_cnt = ctx->instr->arg2.uint;
463 hres = stack_pop_disp(ctx, &obj);
472 vbstack_to_dp(ctx, arg_cnt, &dp);
474 hres = disp_get_id(obj, identifier, VBDISP_CALLGET, FALSE, &id);
476 hres = disp_call(ctx->script, obj, id, &dp, res);
477 IDispatch_Release(obj);
481 stack_popn(ctx, arg_cnt);
485 static HRESULT interp_mcall(exec_ctx_t *ctx)
492 hres = do_mcall(ctx, &res);
496 return stack_push(ctx, &res);
499 static HRESULT interp_mcallv(exec_ctx_t *ctx)
503 return do_mcall(ctx, NULL);
506 static HRESULT assign_ident(exec_ctx_t *ctx, BSTR name, VARIANT *val, BOOL own_val)
511 hres = lookup_identifier(ctx, name, VBDISP_LET, &ref);
517 VARIANT *v = ref.u.v;
519 if(V_VT(v) == (VT_VARIANT|VT_BYREF))
527 hres = VariantCopy(v, val);
532 hres = disp_propput(ctx->script, ref.u.d.disp, ref.u.d.id, val);
537 FIXME("functions not implemented\n");
543 FIXME("REF_CONST\n");
546 if(ctx->func->code_ctx->option_explicit) {
547 FIXME("throw exception\n");
550 TRACE("creating variable %s\n", debugstr_w(name));
551 hres = add_dynamic_var(ctx, name, FALSE, val, own_val);
558 static HRESULT interp_assign_ident(exec_ctx_t *ctx)
560 const BSTR arg = ctx->instr->arg1.bstr;
564 TRACE("%s\n", debugstr_w(arg));
566 hres = stack_pop_val(ctx, &v);
570 return assign_ident(ctx, arg, v.v, v.owned);
573 static HRESULT interp_set_ident(exec_ctx_t *ctx)
575 const BSTR arg = ctx->instr->arg1.bstr;
580 TRACE("%s\n", debugstr_w(arg));
582 hres = stack_pop_disp(ctx, &disp);
586 V_VT(&v) = VT_DISPATCH;
587 V_DISPATCH(&v) = disp;
588 return assign_ident(ctx, ctx->instr->arg1.bstr, &v, TRUE);
591 static HRESULT interp_assign_member(exec_ctx_t *ctx)
593 BSTR identifier = ctx->instr->arg1.bstr;
599 TRACE("%s\n", debugstr_w(identifier));
601 hres = stack_pop_disp(ctx, &obj);
610 hres = stack_pop_val(ctx, &val);
612 IDispatch_Release(obj);
616 hres = disp_get_id(obj, identifier, VBDISP_LET, FALSE, &id);
618 hres = disp_propput(ctx->script, obj, id, val.v);
621 IDispatch_Release(obj);
625 static HRESULT interp_set_member(exec_ctx_t *ctx)
627 BSTR identifier = ctx->instr->arg1.bstr;
628 IDispatch *obj, *val;
632 TRACE("%s\n", debugstr_w(identifier));
634 hres = stack_pop_disp(ctx, &obj);
643 hres = stack_pop_disp(ctx, &val);
645 IDispatch_Release(obj);
649 hres = disp_get_id(obj, identifier, VBDISP_SET, FALSE, &id);
650 if(SUCCEEDED(hres)) {
653 V_VT(&v) = VT_DISPATCH;
654 V_DISPATCH(&v) = val;
655 hres = disp_propput(ctx->script, obj, id, &v);
659 IDispatch_Release(val);
660 IDispatch_Release(obj);
664 static HRESULT interp_const(exec_ctx_t *ctx)
666 BSTR arg = ctx->instr->arg1.bstr;
671 TRACE("%s\n", debugstr_w(arg));
673 assert(ctx->func->type == FUNC_GLOBAL);
675 hres = lookup_identifier(ctx, arg, VBDISP_CALLGET, &ref);
679 if(ref.type != REF_NONE) {
680 FIXME("%s already defined\n", debugstr_w(arg));
684 hres = stack_pop_val(ctx, &val);
688 return add_dynamic_var(ctx, arg, TRUE, val.v, val.owned);
691 static HRESULT interp_val(exec_ctx_t *ctx)
699 hres = stack_pop_val(ctx, &val);
705 hres = VariantCopy(&v, val.v);
710 return stack_push(ctx, val.owned ? val.v : &v);
713 static HRESULT interp_pop(exec_ctx_t *ctx)
715 const unsigned n = ctx->instr->arg1.uint;
723 static HRESULT interp_new(exec_ctx_t *ctx)
725 const WCHAR *arg = ctx->instr->arg1.bstr;
726 class_desc_t *class_desc;
731 TRACE("%s\n", debugstr_w(arg));
733 for(class_desc = ctx->script->classes; class_desc; class_desc = class_desc->next) {
734 if(!strcmpiW(class_desc->name, arg))
738 FIXME("Class %s not found\n", debugstr_w(arg));
742 hres = create_vbdisp(class_desc, &obj);
746 V_VT(&v) = VT_DISPATCH;
747 V_DISPATCH(&v) = (IDispatch*)&obj->IDispatchEx_iface;
748 return stack_push(ctx, &v);
751 static HRESULT interp_step(exec_ctx_t *ctx)
753 const BSTR ident = ctx->instr->arg2.bstr;
759 TRACE("%s\n", debugstr_w(ident));
763 hres = VarCmp(stack_top(ctx, 0), &zero, ctx->script->lcid, 0);
767 gteq_zero = hres == VARCMP_GT || hres == VARCMP_EQ;
769 hres = lookup_identifier(ctx, ident, VBDISP_ANY, &ref);
773 if(ref.type != REF_VAR) {
774 FIXME("%s is not REF_VAR\n", debugstr_w(ident));
778 hres = VarCmp(ref.u.v, stack_top(ctx, 1), ctx->script->lcid, 0);
782 if(hres == VARCMP_EQ || hres == (gteq_zero ? VARCMP_LT : VARCMP_GT))
785 instr_jmp(ctx, ctx->instr->arg1.uint);
789 static HRESULT interp_jmp(exec_ctx_t *ctx)
791 const unsigned arg = ctx->instr->arg1.uint;
799 static HRESULT interp_jmp_false(exec_ctx_t *ctx)
801 const unsigned arg = ctx->instr->arg1.uint;
807 hres = stack_pop_val(ctx, &val);
811 if(V_VT(val.v) != VT_BOOL) {
812 FIXME("unsupported for %s\n", debugstr_variant(val.v));
820 instr_jmp(ctx, ctx->instr->arg1.uint);
824 static HRESULT interp_jmp_true(exec_ctx_t *ctx)
826 const unsigned arg = ctx->instr->arg1.uint;
832 hres = stack_pop_val(ctx, &val);
836 if(V_VT(val.v) != VT_BOOL) {
837 FIXME("unsupported for %s\n", debugstr_variant(val.v));
843 instr_jmp(ctx, ctx->instr->arg1.uint);
849 static HRESULT interp_ret(exec_ctx_t *ctx)
857 static HRESULT interp_stop(exec_ctx_t *ctx)
861 /* NOTE: this should have effect in debugging mode (that we don't support yet) */
865 static HRESULT interp_me(exec_ctx_t *ctx)
871 IDispatch_AddRef(ctx->this_obj);
872 V_VT(&v) = VT_DISPATCH;
873 V_DISPATCH(&v) = ctx->this_obj;
874 return stack_push(ctx, &v);
877 static HRESULT interp_bool(exec_ctx_t *ctx)
879 const VARIANT_BOOL arg = ctx->instr->arg1.lng;
882 TRACE("%s\n", arg ? "true" : "false");
886 return stack_push(ctx, &v);
889 static HRESULT interp_errmode(exec_ctx_t *ctx)
891 const int err_mode = ctx->instr->arg1.uint;
892 FIXME("%d\n", err_mode);
896 static HRESULT interp_string(exec_ctx_t *ctx)
903 V_BSTR(&v) = SysAllocString(ctx->instr->arg1.str);
905 return E_OUTOFMEMORY;
907 return stack_push(ctx, &v);
910 static HRESULT interp_long(exec_ctx_t *ctx)
912 const LONG arg = ctx->instr->arg1.lng;
919 return stack_push(ctx, &v);
922 static HRESULT interp_short(exec_ctx_t *ctx)
924 const LONG arg = ctx->instr->arg1.lng;
931 return stack_push(ctx, &v);
934 static HRESULT interp_double(exec_ctx_t *ctx)
936 const DOUBLE *arg = ctx->instr->arg1.dbl;
939 TRACE("%lf\n", *arg);
943 return stack_push(ctx, &v);
946 static HRESULT interp_empty(exec_ctx_t *ctx)
953 return stack_push(ctx, &v);
956 static HRESULT interp_null(exec_ctx_t *ctx)
963 return stack_push(ctx, &v);
966 static HRESULT interp_nothing(exec_ctx_t *ctx)
972 V_VT(&v) = VT_DISPATCH;
973 V_DISPATCH(&v) = NULL;
974 return stack_push(ctx, &v);
977 static HRESULT interp_not(exec_ctx_t *ctx)
985 hres = stack_pop_val(ctx, &val);
989 hres = VarNot(val.v, &v);
994 return stack_push(ctx, &v);
997 static HRESULT interp_and(exec_ctx_t *ctx)
1005 hres = stack_pop_val(ctx, &r);
1009 hres = stack_pop_val(ctx, &l);
1010 if(SUCCEEDED(hres)) {
1011 hres = VarAnd(l.v, r.v, &v);
1018 return stack_push(ctx, &v);
1021 static HRESULT interp_or(exec_ctx_t *ctx)
1029 hres = stack_pop_val(ctx, &r);
1033 hres = stack_pop_val(ctx, &l);
1034 if(SUCCEEDED(hres)) {
1035 hres = VarOr(l.v, r.v, &v);
1042 return stack_push(ctx, &v);
1045 static HRESULT interp_xor(exec_ctx_t *ctx)
1053 hres = stack_pop_val(ctx, &r);
1057 hres = stack_pop_val(ctx, &l);
1058 if(SUCCEEDED(hres)) {
1059 hres = VarXor(l.v, r.v, &v);
1066 return stack_push(ctx, &v);
1069 static HRESULT interp_eqv(exec_ctx_t *ctx)
1077 hres = stack_pop_val(ctx, &r);
1081 hres = stack_pop_val(ctx, &l);
1082 if(SUCCEEDED(hres)) {
1083 hres = VarEqv(l.v, r.v, &v);
1090 return stack_push(ctx, &v);
1093 static HRESULT interp_imp(exec_ctx_t *ctx)
1101 hres = stack_pop_val(ctx, &r);
1105 hres = stack_pop_val(ctx, &l);
1106 if(SUCCEEDED(hres)) {
1107 hres = VarImp(l.v, r.v, &v);
1114 return stack_push(ctx, &v);
1117 static HRESULT cmp_oper(exec_ctx_t *ctx)
1122 hres = stack_pop_val(ctx, &r);
1126 hres = stack_pop_val(ctx, &l);
1127 if(SUCCEEDED(hres)) {
1128 if(V_VT(l.v) == VT_NULL || V_VT(r.v) == VT_NULL) {
1129 FIXME("comparing nulls is not implemented\n");
1132 hres = VarCmp(l.v, r.v, ctx->script->lcid, 0);
1141 static HRESULT interp_equal(exec_ctx_t *ctx)
1148 hres = cmp_oper(ctx);
1153 V_BOOL(&v) = hres == VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1154 return stack_push(ctx, &v);
1157 static HRESULT interp_nequal(exec_ctx_t *ctx)
1164 hres = cmp_oper(ctx);
1169 V_BOOL(&v) = hres != VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1170 return stack_push(ctx, &v);
1173 static HRESULT interp_gt(exec_ctx_t *ctx)
1180 hres = cmp_oper(ctx);
1185 V_BOOL(&v) = hres == VARCMP_GT ? VARIANT_TRUE : VARIANT_FALSE;
1186 return stack_push(ctx, &v);
1189 static HRESULT interp_gteq(exec_ctx_t *ctx)
1196 hres = cmp_oper(ctx);
1201 V_BOOL(&v) = hres == VARCMP_GT || hres == VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1202 return stack_push(ctx, &v);
1205 static HRESULT interp_lt(exec_ctx_t *ctx)
1212 hres = cmp_oper(ctx);
1217 V_BOOL(&v) = hres == VARCMP_LT ? VARIANT_TRUE : VARIANT_FALSE;
1218 return stack_push(ctx, &v);
1221 static HRESULT interp_lteq(exec_ctx_t *ctx)
1228 hres = cmp_oper(ctx);
1233 V_BOOL(&v) = hres == VARCMP_LT || hres == VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1234 return stack_push(ctx, &v);
1237 static HRESULT disp_cmp(IDispatch *disp1, IDispatch *disp2, VARIANT_BOOL *ret)
1239 IObjectIdentity *identity;
1240 IUnknown *unk1, *unk2;
1243 if(disp1 == disp2) {
1244 *ret = VARIANT_TRUE;
1248 if(!disp1 || !disp2) {
1249 *ret = VARIANT_FALSE;
1253 hres = IDispatch_QueryInterface(disp1, &IID_IUnknown, (void**)&unk1);
1257 hres = IDispatch_QueryInterface(disp2, &IID_IUnknown, (void**)&unk2);
1259 IUnknown_Release(unk1);
1264 *ret = VARIANT_TRUE;
1266 hres = IUnknown_QueryInterface(unk1, &IID_IObjectIdentity, (void**)&identity);
1267 if(SUCCEEDED(hres)) {
1268 hres = IObjectIdentity_IsEqualObject(identity, unk2);
1269 IObjectIdentity_Release(identity);
1270 *ret = hres == S_OK ? VARIANT_TRUE : VARIANT_FALSE;
1272 *ret = VARIANT_FALSE;
1276 IUnknown_Release(unk1);
1277 IUnknown_Release(unk2);
1281 static HRESULT interp_is(exec_ctx_t *ctx)
1289 hres = stack_pop_disp(ctx, &r);
1293 hres = stack_pop_disp(ctx, &l);
1294 if(SUCCEEDED(hres)) {
1296 hres = disp_cmp(l, r, &V_BOOL(&v));
1298 IDispatch_Release(l);
1301 IDispatch_Release(r);
1305 return stack_push(ctx, &v);
1308 static HRESULT interp_concat(exec_ctx_t *ctx)
1316 hres = stack_pop_val(ctx, &r);
1320 hres = stack_pop_val(ctx, &l);
1321 if(SUCCEEDED(hres)) {
1322 hres = VarCat(l.v, r.v, &v);
1329 return stack_push(ctx, &v);
1332 static HRESULT interp_add(exec_ctx_t *ctx)
1340 hres = stack_pop_val(ctx, &r);
1344 hres = stack_pop_val(ctx, &l);
1345 if(SUCCEEDED(hres)) {
1346 hres = VarAdd(l.v, r.v, &v);
1353 return stack_push(ctx, &v);
1356 static HRESULT interp_sub(exec_ctx_t *ctx)
1364 hres = stack_pop_val(ctx, &r);
1368 hres = stack_pop_val(ctx, &l);
1369 if(SUCCEEDED(hres)) {
1370 hres = VarSub(l.v, r.v, &v);
1377 return stack_push(ctx, &v);
1380 static HRESULT interp_mod(exec_ctx_t *ctx)
1388 hres = stack_pop_val(ctx, &r);
1392 hres = stack_pop_val(ctx, &l);
1393 if(SUCCEEDED(hres)) {
1394 hres = VarMod(l.v, r.v, &v);
1401 return stack_push(ctx, &v);
1404 static HRESULT interp_idiv(exec_ctx_t *ctx)
1412 hres = stack_pop_val(ctx, &r);
1416 hres = stack_pop_val(ctx, &l);
1417 if(SUCCEEDED(hres)) {
1418 hres = VarIdiv(l.v, r.v, &v);
1425 return stack_push(ctx, &v);
1428 static HRESULT interp_div(exec_ctx_t *ctx)
1436 hres = stack_pop_val(ctx, &r);
1440 hres = stack_pop_val(ctx, &l);
1441 if(SUCCEEDED(hres)) {
1442 hres = VarDiv(l.v, r.v, &v);
1449 return stack_push(ctx, &v);
1452 static HRESULT interp_mul(exec_ctx_t *ctx)
1460 hres = stack_pop_val(ctx, &r);
1464 hres = stack_pop_val(ctx, &l);
1465 if(SUCCEEDED(hres)) {
1466 hres = VarMul(l.v, r.v, &v);
1473 return stack_push(ctx, &v);
1476 static HRESULT interp_exp(exec_ctx_t *ctx)
1484 hres = stack_pop_val(ctx, &r);
1488 hres = stack_pop_val(ctx, &l);
1489 if(SUCCEEDED(hres)) {
1490 hres = VarPow(l.v, r.v, &v);
1497 return stack_push(ctx, &v);
1500 static HRESULT interp_neg(exec_ctx_t *ctx)
1506 hres = stack_pop_val(ctx, &val);
1510 hres = VarNeg(val.v, &v);
1515 return stack_push(ctx, &v);
1518 static HRESULT interp_incc(exec_ctx_t *ctx)
1520 const BSTR ident = ctx->instr->arg1.bstr;
1527 hres = lookup_identifier(ctx, ident, VBDISP_LET, &ref);
1531 if(ref.type != REF_VAR) {
1532 FIXME("ref.type is not REF_VAR\n");
1536 hres = VarAdd(stack_top(ctx, 0), ref.u.v, &v);
1540 VariantClear(ref.u.v);
1545 static const instr_func_t op_funcs[] = {
1546 #define X(x,n,a,b) interp_ ## x,
1551 static const unsigned op_move[] = {
1552 #define X(x,n,a,b) n,
1557 static void release_exec(exec_ctx_t *ctx)
1561 VariantClear(&ctx->ret_val);
1564 IDispatch_Release(ctx->this_obj);
1567 for(i=0; i < ctx->func->arg_cnt; i++)
1568 VariantClear(ctx->args+i);
1572 for(i=0; i < ctx->func->var_cnt; i++)
1573 VariantClear(ctx->vars+i);
1576 vbsheap_free(&ctx->heap);
1577 heap_free(ctx->args);
1578 heap_free(ctx->vars);
1579 heap_free(ctx->stack);
1582 HRESULT exec_script(script_ctx_t *ctx, function_t *func, IDispatch *this_obj, DISPPARAMS *dp, VARIANT *res)
1584 exec_ctx_t exec = {func->code_ctx};
1586 HRESULT hres = S_OK;
1588 exec.code = func->code_ctx;
1590 if(dp ? func->arg_cnt != arg_cnt(dp) : func->arg_cnt) {
1591 FIXME("wrong arg_cnt %d, expected %d\n", dp ? arg_cnt(dp) : 0, func->arg_cnt);
1595 vbsheap_init(&exec.heap);
1601 exec.args = heap_alloc_zero(func->arg_cnt * sizeof(VARIANT));
1603 release_exec(&exec);
1604 return E_OUTOFMEMORY;
1607 for(i=0; i < func->arg_cnt; i++) {
1609 if(V_VT(v) == (VT_VARIANT|VT_BYREF)) {
1610 if(func->args[i].by_ref)
1613 hres = VariantCopy(exec.args+i, V_VARIANTREF(v));
1615 hres = VariantCopy(exec.args+i, v);
1618 release_exec(&exec);
1627 exec.vars = heap_alloc_zero(func->var_cnt * sizeof(VARIANT));
1629 release_exec(&exec);
1630 return E_OUTOFMEMORY;
1636 exec.stack_size = 16;
1638 exec.stack = heap_alloc(exec.stack_size * sizeof(VARIANT));
1640 release_exec(&exec);
1641 return E_OUTOFMEMORY;
1645 exec.this_obj = this_obj;
1646 else if (ctx->host_global)
1647 exec.this_obj = ctx->host_global;
1649 exec.this_obj = (IDispatch*)&ctx->script_obj->IDispatchEx_iface;
1650 IDispatch_AddRef(exec.this_obj);
1652 exec.instr = exec.code->instrs + func->code_off;
1657 op = exec.instr->op;
1658 hres = op_funcs[op](&exec);
1660 FIXME("Failed %08x\n", hres);
1661 stack_popn(&exec, exec.top);
1665 exec.instr += op_move[op];
1669 if(func->type != FUNC_FUNCTION && func->type != FUNC_PROPGET && func->type != FUNC_DEFGET)
1670 assert(V_VT(&exec.ret_val) == VT_EMPTY);
1672 if(SUCCEEDED(hres) && res) {
1673 *res = exec.ret_val;
1674 V_VT(&exec.ret_val) = VT_EMPTY;
1677 release_exec(&exec);