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;
49 typedef HRESULT (*instr_func_t)(exec_ctx_t*);
79 static BOOL lookup_dynamic_vars(dynamic_var_t *var, const WCHAR *name, ref_t *ref)
82 if(!strcmpiW(var->name, name)) {
83 ref->type = var->is_const ? REF_CONST : REF_VAR;
94 static HRESULT lookup_identifier(exec_ctx_t *ctx, BSTR name, vbdisp_invoke_type_t invoke_type, ref_t *ref)
102 static const WCHAR errW[] = {'e','r','r',0};
104 if(invoke_type == VBDISP_LET
105 && (ctx->func->type == FUNC_FUNCTION || ctx->func->type == FUNC_PROPGET || ctx->func->type == FUNC_DEFGET)
106 && !strcmpiW(name, ctx->func->name)) {
108 ref->u.v = &ctx->ret_val;
112 for(i=0; i < ctx->func->var_cnt; i++) {
113 if(!strcmpiW(ctx->func->vars[i].name, name)) {
115 ref->u.v = ctx->vars+i;
120 for(i=0; i < ctx->func->arg_cnt; i++) {
121 if(!strcmpiW(ctx->func->args[i].name, name)) {
123 ref->u.v = ctx->args+i;
128 if(lookup_dynamic_vars(ctx->func->type == FUNC_GLOBAL ? ctx->script->global_vars : ctx->dynamic_vars, name, ref))
131 if(ctx->func->type != FUNC_GLOBAL) {
132 hres = disp_get_id(ctx->this_obj, name, invoke_type, TRUE, &id);
133 if(SUCCEEDED(hres)) {
134 ref->type = REF_DISP;
135 ref->u.d.disp = ctx->this_obj;
141 if(ctx->func->type != FUNC_GLOBAL && lookup_dynamic_vars(ctx->script->global_vars, name, ref))
144 for(func = ctx->script->global_funcs; func; func = func->next) {
145 if(!strcmpiW(func->name, name)) {
146 ref->type = REF_FUNC;
152 if(!strcmpiW(name, errW)) {
154 ref->u.obj = (IDispatch*)&ctx->script->err_obj->IDispatchEx_iface;
158 hres = vbdisp_get_id(ctx->script->global_obj, name, invoke_type, TRUE, &id);
159 if(SUCCEEDED(hres)) {
160 ref->type = REF_DISP;
161 ref->u.d.disp = (IDispatch*)&ctx->script->global_obj->IDispatchEx_iface;
166 LIST_FOR_EACH_ENTRY(item, &ctx->script->named_items, named_item_t, entry) {
167 if((item->flags & SCRIPTITEM_GLOBALMEMBERS)) {
168 hres = disp_get_id(item->disp, name, invoke_type, FALSE, &id);
169 if(SUCCEEDED(hres)) {
170 ref->type = REF_DISP;
171 ref->u.d.disp = item->disp;
177 if((item->flags & SCRIPTITEM_ISVISIBLE) && !strcmpiW(item->name, name)) {
181 hres = IActiveScriptSite_GetItemInfo(ctx->script->site, name, SCRIPTINFO_IUNKNOWN, &unk, NULL);
183 WARN("GetItemInfo failed: %08x\n", hres);
187 hres = IUnknown_QueryInterface(unk, &IID_IDispatch, (void**)&item->disp);
188 IUnknown_Release(unk);
190 WARN("object does not implement IDispatch\n");
196 ref->u.obj = item->disp;
201 ref->type = REF_NONE;
205 static HRESULT add_dynamic_var(exec_ctx_t *ctx, const WCHAR *name, BOOL is_const, VARIANT *val, BOOL own_val)
207 dynamic_var_t *new_var;
213 heap = ctx->func->type == FUNC_GLOBAL ? &ctx->script->heap : &ctx->heap;
215 new_var = vbsheap_alloc(heap, sizeof(*new_var));
217 return E_OUTOFMEMORY;
219 size = (strlenW(name)+1)*sizeof(WCHAR);
220 str = vbsheap_alloc(heap, size);
222 return E_OUTOFMEMORY;
223 memcpy(str, name, size);
225 new_var->is_const = is_const;
230 hres = VariantCopy(&new_var->v, val);
235 if(ctx->func->type == FUNC_GLOBAL) {
236 new_var->next = ctx->script->global_vars;
237 ctx->script->global_vars = new_var;
239 new_var->next = ctx->dynamic_vars;
240 ctx->dynamic_vars = new_var;
246 static inline VARIANT *stack_pop(exec_ctx_t *ctx)
249 return ctx->stack + --ctx->top;
252 static inline VARIANT *stack_top(exec_ctx_t *ctx, unsigned n)
254 assert(ctx->top >= n);
255 return ctx->stack + (ctx->top-n-1);
258 static HRESULT stack_push(exec_ctx_t *ctx, VARIANT *v)
260 if(ctx->stack_size == ctx->top) {
263 new_stack = heap_realloc(ctx->stack, ctx->stack_size*2);
266 return E_OUTOFMEMORY;
269 ctx->stack = new_stack;
270 ctx->stack_size *= 2;
273 ctx->stack[ctx->top++] = *v;
277 static void stack_popn(exec_ctx_t *ctx, unsigned n)
280 VariantClear(stack_pop(ctx));
283 static HRESULT stack_pop_val(exec_ctx_t *ctx, variant_val_t *v)
287 var = stack_pop(ctx);
289 if(V_VT(var) == (VT_BYREF|VT_VARIANT)) {
291 var = V_VARIANTREF(var);
296 if(V_VT(var) == VT_DISPATCH) {
300 hres = disp_call(ctx->script, V_DISPATCH(var), DISPID_VALUE, &dp, &v->store);
302 IDispatch_Release(V_DISPATCH(var));
315 static inline void release_val(variant_val_t *v)
321 static HRESULT stack_pop_disp(exec_ctx_t *ctx, IDispatch **ret)
323 VARIANT *v = stack_pop(ctx);
325 if(V_VT(v) == VT_DISPATCH) {
326 *ret = V_DISPATCH(v);
330 if(V_VT(v) != (VT_VARIANT|VT_BYREF)) {
331 FIXME("not supported type: %s\n", debugstr_variant(v));
337 if(V_VT(v) != VT_DISPATCH) {
338 FIXME("not disp %s\n", debugstr_variant(v));
343 IDispatch_AddRef(V_DISPATCH(v));
344 *ret = V_DISPATCH(v);
348 static inline void instr_jmp(exec_ctx_t *ctx, unsigned addr)
350 ctx->instr = ctx->code->instrs + addr;
353 static void vbstack_to_dp(exec_ctx_t *ctx, unsigned arg_cnt, DISPPARAMS *dp)
356 dp->rgdispidNamedArgs = NULL;
363 assert(ctx->top >= arg_cnt);
365 for(i=1; i*2 <= arg_cnt; i++) {
366 tmp = ctx->stack[ctx->top-i];
367 ctx->stack[ctx->top-i] = ctx->stack[ctx->top-arg_cnt+i-1];
368 ctx->stack[ctx->top-arg_cnt+i-1] = tmp;
371 dp->rgvarg = ctx->stack + ctx->top-arg_cnt;
377 static HRESULT do_icall(exec_ctx_t *ctx, VARIANT *res)
379 BSTR identifier = ctx->instr->arg1.bstr;
380 const unsigned arg_cnt = ctx->instr->arg2.uint;
385 hres = lookup_identifier(ctx, identifier, VBDISP_CALLGET, &ref);
389 vbstack_to_dp(ctx, arg_cnt, &dp);
395 FIXME("REF_VAR no res\n");
400 FIXME("arguments not implemented\n");
404 V_VT(res) = VT_BYREF|VT_VARIANT;
405 V_BYREF(res) = V_VT(ref.u.v) == (VT_VARIANT|VT_BYREF) ? V_VARIANTREF(ref.u.v) : ref.u.v;
408 hres = disp_call(ctx->script, ref.u.d.disp, ref.u.d.id, &dp, res);
413 hres = exec_script(ctx->script, ref.u.f, NULL, &dp, res);
419 FIXME("arguments on object\n");
424 IDispatch_AddRef(ref.u.obj);
425 V_VT(res) = VT_DISPATCH;
426 V_DISPATCH(res) = ref.u.obj;
430 FIXME("%s not found\n", debugstr_w(identifier));
431 return DISP_E_UNKNOWNNAME;
434 stack_popn(ctx, arg_cnt);
438 static HRESULT interp_icall(exec_ctx_t *ctx)
445 hres = do_icall(ctx, &v);
449 return stack_push(ctx, &v);
452 static HRESULT interp_icallv(exec_ctx_t *ctx)
455 return do_icall(ctx, NULL);
458 static HRESULT do_mcall(exec_ctx_t *ctx, VARIANT *res)
460 const BSTR identifier = ctx->instr->arg1.bstr;
461 const unsigned arg_cnt = ctx->instr->arg2.uint;
467 hres = stack_pop_disp(ctx, &obj);
476 vbstack_to_dp(ctx, arg_cnt, &dp);
478 hres = disp_get_id(obj, identifier, VBDISP_CALLGET, FALSE, &id);
480 hres = disp_call(ctx->script, obj, id, &dp, res);
481 IDispatch_Release(obj);
485 stack_popn(ctx, arg_cnt);
489 static HRESULT interp_mcall(exec_ctx_t *ctx)
496 hres = do_mcall(ctx, &res);
500 return stack_push(ctx, &res);
503 static HRESULT interp_mcallv(exec_ctx_t *ctx)
507 return do_mcall(ctx, NULL);
510 static HRESULT assign_ident(exec_ctx_t *ctx, BSTR name, VARIANT *val, BOOL own_val)
515 hres = lookup_identifier(ctx, name, VBDISP_LET, &ref);
521 VARIANT *v = ref.u.v;
523 if(V_VT(v) == (VT_VARIANT|VT_BYREF))
531 hres = VariantCopy(v, val);
536 hres = disp_propput(ctx->script, ref.u.d.disp, ref.u.d.id, val);
541 FIXME("functions not implemented\n");
547 FIXME("REF_CONST\n");
550 if(ctx->func->code_ctx->option_explicit) {
551 FIXME("throw exception\n");
554 TRACE("creating variable %s\n", debugstr_w(name));
555 hres = add_dynamic_var(ctx, name, FALSE, val, own_val);
562 static HRESULT interp_assign_ident(exec_ctx_t *ctx)
564 const BSTR arg = ctx->instr->arg1.bstr;
568 TRACE("%s\n", debugstr_w(arg));
570 hres = stack_pop_val(ctx, &v);
574 return assign_ident(ctx, arg, v.v, v.owned);
577 static HRESULT interp_set_ident(exec_ctx_t *ctx)
579 const BSTR arg = ctx->instr->arg1.bstr;
584 TRACE("%s\n", debugstr_w(arg));
586 hres = stack_pop_disp(ctx, &disp);
590 V_VT(&v) = VT_DISPATCH;
591 V_DISPATCH(&v) = disp;
592 return assign_ident(ctx, ctx->instr->arg1.bstr, &v, TRUE);
595 static HRESULT interp_assign_member(exec_ctx_t *ctx)
597 BSTR identifier = ctx->instr->arg1.bstr;
603 TRACE("%s\n", debugstr_w(identifier));
605 hres = stack_pop_disp(ctx, &obj);
614 hres = stack_pop_val(ctx, &val);
616 IDispatch_Release(obj);
620 hres = disp_get_id(obj, identifier, VBDISP_LET, FALSE, &id);
622 hres = disp_propput(ctx->script, obj, id, val.v);
625 IDispatch_Release(obj);
629 static HRESULT interp_set_member(exec_ctx_t *ctx)
631 BSTR identifier = ctx->instr->arg1.bstr;
632 IDispatch *obj, *val;
636 TRACE("%s\n", debugstr_w(identifier));
638 hres = stack_pop_disp(ctx, &obj);
647 hres = stack_pop_disp(ctx, &val);
649 IDispatch_Release(obj);
653 hres = disp_get_id(obj, identifier, VBDISP_SET, FALSE, &id);
654 if(SUCCEEDED(hres)) {
657 V_VT(&v) = VT_DISPATCH;
658 V_DISPATCH(&v) = val;
659 hres = disp_propput(ctx->script, obj, id, &v);
663 IDispatch_Release(val);
664 IDispatch_Release(obj);
668 static HRESULT interp_const(exec_ctx_t *ctx)
670 BSTR arg = ctx->instr->arg1.bstr;
675 TRACE("%s\n", debugstr_w(arg));
677 assert(ctx->func->type == FUNC_GLOBAL);
679 hres = lookup_identifier(ctx, arg, VBDISP_CALLGET, &ref);
683 if(ref.type != REF_NONE) {
684 FIXME("%s already defined\n", debugstr_w(arg));
688 hres = stack_pop_val(ctx, &val);
692 return add_dynamic_var(ctx, arg, TRUE, val.v, val.owned);
695 static HRESULT interp_val(exec_ctx_t *ctx)
703 hres = stack_pop_val(ctx, &val);
709 hres = VariantCopy(&v, val.v);
714 return stack_push(ctx, val.owned ? val.v : &v);
717 static HRESULT interp_pop(exec_ctx_t *ctx)
719 const unsigned n = ctx->instr->arg1.uint;
727 static HRESULT interp_new(exec_ctx_t *ctx)
729 const WCHAR *arg = ctx->instr->arg1.bstr;
730 class_desc_t *class_desc;
735 TRACE("%s\n", debugstr_w(arg));
737 for(class_desc = ctx->script->classes; class_desc; class_desc = class_desc->next) {
738 if(!strcmpiW(class_desc->name, arg))
742 FIXME("Class %s not found\n", debugstr_w(arg));
746 hres = create_vbdisp(class_desc, &obj);
750 V_VT(&v) = VT_DISPATCH;
751 V_DISPATCH(&v) = (IDispatch*)&obj->IDispatchEx_iface;
752 return stack_push(ctx, &v);
755 static HRESULT interp_step(exec_ctx_t *ctx)
757 const BSTR ident = ctx->instr->arg2.bstr;
763 TRACE("%s\n", debugstr_w(ident));
767 hres = VarCmp(stack_top(ctx, 0), &zero, ctx->script->lcid, 0);
771 gteq_zero = hres == VARCMP_GT || hres == VARCMP_EQ;
773 hres = lookup_identifier(ctx, ident, VBDISP_ANY, &ref);
777 if(ref.type != REF_VAR) {
778 FIXME("%s is not REF_VAR\n", debugstr_w(ident));
782 hres = VarCmp(ref.u.v, stack_top(ctx, 1), ctx->script->lcid, 0);
786 if(hres == VARCMP_EQ || hres == (gteq_zero ? VARCMP_LT : VARCMP_GT))
789 instr_jmp(ctx, ctx->instr->arg1.uint);
793 static HRESULT interp_jmp(exec_ctx_t *ctx)
795 const unsigned arg = ctx->instr->arg1.uint;
803 static HRESULT interp_jmp_false(exec_ctx_t *ctx)
805 const unsigned arg = ctx->instr->arg1.uint;
811 hres = stack_pop_val(ctx, &val);
815 if(V_VT(val.v) != VT_BOOL) {
816 FIXME("unsupported for %s\n", debugstr_variant(val.v));
824 instr_jmp(ctx, ctx->instr->arg1.uint);
828 static HRESULT interp_jmp_true(exec_ctx_t *ctx)
830 const unsigned arg = ctx->instr->arg1.uint;
836 hres = stack_pop_val(ctx, &val);
840 if(V_VT(val.v) != VT_BOOL) {
841 FIXME("unsupported for %s\n", debugstr_variant(val.v));
847 instr_jmp(ctx, ctx->instr->arg1.uint);
853 static HRESULT interp_ret(exec_ctx_t *ctx)
861 static HRESULT interp_stop(exec_ctx_t *ctx)
865 /* NOTE: this should have effect in debugging mode (that we don't support yet) */
869 static HRESULT interp_me(exec_ctx_t *ctx)
875 IDispatch_AddRef(ctx->this_obj);
876 V_VT(&v) = VT_DISPATCH;
877 V_DISPATCH(&v) = ctx->this_obj;
878 return stack_push(ctx, &v);
881 static HRESULT interp_bool(exec_ctx_t *ctx)
883 const VARIANT_BOOL arg = ctx->instr->arg1.lng;
886 TRACE("%s\n", arg ? "true" : "false");
890 return stack_push(ctx, &v);
893 static HRESULT interp_errmode(exec_ctx_t *ctx)
895 const int err_mode = ctx->instr->arg1.uint;
897 TRACE("%d\n", err_mode);
899 ctx->resume_next = err_mode;
903 static HRESULT interp_string(exec_ctx_t *ctx)
910 V_BSTR(&v) = SysAllocString(ctx->instr->arg1.str);
912 return E_OUTOFMEMORY;
914 return stack_push(ctx, &v);
917 static HRESULT interp_long(exec_ctx_t *ctx)
919 const LONG arg = ctx->instr->arg1.lng;
926 return stack_push(ctx, &v);
929 static HRESULT interp_short(exec_ctx_t *ctx)
931 const LONG arg = ctx->instr->arg1.lng;
938 return stack_push(ctx, &v);
941 static HRESULT interp_double(exec_ctx_t *ctx)
943 const DOUBLE *arg = ctx->instr->arg1.dbl;
946 TRACE("%lf\n", *arg);
950 return stack_push(ctx, &v);
953 static HRESULT interp_empty(exec_ctx_t *ctx)
960 return stack_push(ctx, &v);
963 static HRESULT interp_null(exec_ctx_t *ctx)
970 return stack_push(ctx, &v);
973 static HRESULT interp_nothing(exec_ctx_t *ctx)
979 V_VT(&v) = VT_DISPATCH;
980 V_DISPATCH(&v) = NULL;
981 return stack_push(ctx, &v);
984 static HRESULT interp_not(exec_ctx_t *ctx)
992 hres = stack_pop_val(ctx, &val);
996 hres = VarNot(val.v, &v);
1001 return stack_push(ctx, &v);
1004 static HRESULT interp_and(exec_ctx_t *ctx)
1012 hres = stack_pop_val(ctx, &r);
1016 hres = stack_pop_val(ctx, &l);
1017 if(SUCCEEDED(hres)) {
1018 hres = VarAnd(l.v, r.v, &v);
1025 return stack_push(ctx, &v);
1028 static HRESULT interp_or(exec_ctx_t *ctx)
1036 hres = stack_pop_val(ctx, &r);
1040 hres = stack_pop_val(ctx, &l);
1041 if(SUCCEEDED(hres)) {
1042 hres = VarOr(l.v, r.v, &v);
1049 return stack_push(ctx, &v);
1052 static HRESULT interp_xor(exec_ctx_t *ctx)
1060 hres = stack_pop_val(ctx, &r);
1064 hres = stack_pop_val(ctx, &l);
1065 if(SUCCEEDED(hres)) {
1066 hres = VarXor(l.v, r.v, &v);
1073 return stack_push(ctx, &v);
1076 static HRESULT interp_eqv(exec_ctx_t *ctx)
1084 hres = stack_pop_val(ctx, &r);
1088 hres = stack_pop_val(ctx, &l);
1089 if(SUCCEEDED(hres)) {
1090 hres = VarEqv(l.v, r.v, &v);
1097 return stack_push(ctx, &v);
1100 static HRESULT interp_imp(exec_ctx_t *ctx)
1108 hres = stack_pop_val(ctx, &r);
1112 hres = stack_pop_val(ctx, &l);
1113 if(SUCCEEDED(hres)) {
1114 hres = VarImp(l.v, r.v, &v);
1121 return stack_push(ctx, &v);
1124 static HRESULT cmp_oper(exec_ctx_t *ctx)
1129 hres = stack_pop_val(ctx, &r);
1133 hres = stack_pop_val(ctx, &l);
1134 if(SUCCEEDED(hres)) {
1135 if(V_VT(l.v) == VT_NULL || V_VT(r.v) == VT_NULL) {
1136 FIXME("comparing nulls is not implemented\n");
1139 hres = VarCmp(l.v, r.v, ctx->script->lcid, 0);
1148 static HRESULT interp_equal(exec_ctx_t *ctx)
1155 hres = cmp_oper(ctx);
1160 V_BOOL(&v) = hres == VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1161 return stack_push(ctx, &v);
1164 static HRESULT interp_nequal(exec_ctx_t *ctx)
1171 hres = cmp_oper(ctx);
1176 V_BOOL(&v) = hres != VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1177 return stack_push(ctx, &v);
1180 static HRESULT interp_gt(exec_ctx_t *ctx)
1187 hres = cmp_oper(ctx);
1192 V_BOOL(&v) = hres == VARCMP_GT ? VARIANT_TRUE : VARIANT_FALSE;
1193 return stack_push(ctx, &v);
1196 static HRESULT interp_gteq(exec_ctx_t *ctx)
1203 hres = cmp_oper(ctx);
1208 V_BOOL(&v) = hres == VARCMP_GT || hres == VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1209 return stack_push(ctx, &v);
1212 static HRESULT interp_lt(exec_ctx_t *ctx)
1219 hres = cmp_oper(ctx);
1224 V_BOOL(&v) = hres == VARCMP_LT ? VARIANT_TRUE : VARIANT_FALSE;
1225 return stack_push(ctx, &v);
1228 static HRESULT interp_lteq(exec_ctx_t *ctx)
1235 hres = cmp_oper(ctx);
1240 V_BOOL(&v) = hres == VARCMP_LT || hres == VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1241 return stack_push(ctx, &v);
1244 static HRESULT disp_cmp(IDispatch *disp1, IDispatch *disp2, VARIANT_BOOL *ret)
1246 IObjectIdentity *identity;
1247 IUnknown *unk1, *unk2;
1250 if(disp1 == disp2) {
1251 *ret = VARIANT_TRUE;
1255 if(!disp1 || !disp2) {
1256 *ret = VARIANT_FALSE;
1260 hres = IDispatch_QueryInterface(disp1, &IID_IUnknown, (void**)&unk1);
1264 hres = IDispatch_QueryInterface(disp2, &IID_IUnknown, (void**)&unk2);
1266 IUnknown_Release(unk1);
1271 *ret = VARIANT_TRUE;
1273 hres = IUnknown_QueryInterface(unk1, &IID_IObjectIdentity, (void**)&identity);
1274 if(SUCCEEDED(hres)) {
1275 hres = IObjectIdentity_IsEqualObject(identity, unk2);
1276 IObjectIdentity_Release(identity);
1277 *ret = hres == S_OK ? VARIANT_TRUE : VARIANT_FALSE;
1279 *ret = VARIANT_FALSE;
1283 IUnknown_Release(unk1);
1284 IUnknown_Release(unk2);
1288 static HRESULT interp_is(exec_ctx_t *ctx)
1296 hres = stack_pop_disp(ctx, &r);
1300 hres = stack_pop_disp(ctx, &l);
1301 if(SUCCEEDED(hres)) {
1303 hres = disp_cmp(l, r, &V_BOOL(&v));
1305 IDispatch_Release(l);
1308 IDispatch_Release(r);
1312 return stack_push(ctx, &v);
1315 static HRESULT interp_concat(exec_ctx_t *ctx)
1323 hres = stack_pop_val(ctx, &r);
1327 hres = stack_pop_val(ctx, &l);
1328 if(SUCCEEDED(hres)) {
1329 hres = VarCat(l.v, r.v, &v);
1336 return stack_push(ctx, &v);
1339 static HRESULT interp_add(exec_ctx_t *ctx)
1347 hres = stack_pop_val(ctx, &r);
1351 hres = stack_pop_val(ctx, &l);
1352 if(SUCCEEDED(hres)) {
1353 hres = VarAdd(l.v, r.v, &v);
1360 return stack_push(ctx, &v);
1363 static HRESULT interp_sub(exec_ctx_t *ctx)
1371 hres = stack_pop_val(ctx, &r);
1375 hres = stack_pop_val(ctx, &l);
1376 if(SUCCEEDED(hres)) {
1377 hres = VarSub(l.v, r.v, &v);
1384 return stack_push(ctx, &v);
1387 static HRESULT interp_mod(exec_ctx_t *ctx)
1395 hres = stack_pop_val(ctx, &r);
1399 hres = stack_pop_val(ctx, &l);
1400 if(SUCCEEDED(hres)) {
1401 hres = VarMod(l.v, r.v, &v);
1408 return stack_push(ctx, &v);
1411 static HRESULT interp_idiv(exec_ctx_t *ctx)
1419 hres = stack_pop_val(ctx, &r);
1423 hres = stack_pop_val(ctx, &l);
1424 if(SUCCEEDED(hres)) {
1425 hres = VarIdiv(l.v, r.v, &v);
1432 return stack_push(ctx, &v);
1435 static HRESULT interp_div(exec_ctx_t *ctx)
1443 hres = stack_pop_val(ctx, &r);
1447 hres = stack_pop_val(ctx, &l);
1448 if(SUCCEEDED(hres)) {
1449 hres = VarDiv(l.v, r.v, &v);
1456 return stack_push(ctx, &v);
1459 static HRESULT interp_mul(exec_ctx_t *ctx)
1467 hres = stack_pop_val(ctx, &r);
1471 hres = stack_pop_val(ctx, &l);
1472 if(SUCCEEDED(hres)) {
1473 hres = VarMul(l.v, r.v, &v);
1480 return stack_push(ctx, &v);
1483 static HRESULT interp_exp(exec_ctx_t *ctx)
1491 hres = stack_pop_val(ctx, &r);
1495 hres = stack_pop_val(ctx, &l);
1496 if(SUCCEEDED(hres)) {
1497 hres = VarPow(l.v, r.v, &v);
1504 return stack_push(ctx, &v);
1507 static HRESULT interp_neg(exec_ctx_t *ctx)
1513 hres = stack_pop_val(ctx, &val);
1517 hres = VarNeg(val.v, &v);
1522 return stack_push(ctx, &v);
1525 static HRESULT interp_incc(exec_ctx_t *ctx)
1527 const BSTR ident = ctx->instr->arg1.bstr;
1534 hres = lookup_identifier(ctx, ident, VBDISP_LET, &ref);
1538 if(ref.type != REF_VAR) {
1539 FIXME("ref.type is not REF_VAR\n");
1543 hres = VarAdd(stack_top(ctx, 0), ref.u.v, &v);
1547 VariantClear(ref.u.v);
1552 static const instr_func_t op_funcs[] = {
1553 #define X(x,n,a,b) interp_ ## x,
1558 static const unsigned op_move[] = {
1559 #define X(x,n,a,b) n,
1564 void release_dynamic_vars(dynamic_var_t *var)
1567 VariantClear(&var->v);
1572 static void release_exec(exec_ctx_t *ctx)
1576 VariantClear(&ctx->ret_val);
1577 release_dynamic_vars(ctx->dynamic_vars);
1580 IDispatch_Release(ctx->this_obj);
1583 for(i=0; i < ctx->func->arg_cnt; i++)
1584 VariantClear(ctx->args+i);
1588 for(i=0; i < ctx->func->var_cnt; i++)
1589 VariantClear(ctx->vars+i);
1592 vbsheap_free(&ctx->heap);
1593 heap_free(ctx->args);
1594 heap_free(ctx->vars);
1595 heap_free(ctx->stack);
1598 HRESULT exec_script(script_ctx_t *ctx, function_t *func, IDispatch *this_obj, DISPPARAMS *dp, VARIANT *res)
1600 exec_ctx_t exec = {func->code_ctx};
1602 HRESULT hres = S_OK;
1604 exec.code = func->code_ctx;
1606 if(dp ? func->arg_cnt != arg_cnt(dp) : func->arg_cnt) {
1607 FIXME("wrong arg_cnt %d, expected %d\n", dp ? arg_cnt(dp) : 0, func->arg_cnt);
1611 vbsheap_init(&exec.heap);
1617 exec.args = heap_alloc_zero(func->arg_cnt * sizeof(VARIANT));
1619 release_exec(&exec);
1620 return E_OUTOFMEMORY;
1623 for(i=0; i < func->arg_cnt; i++) {
1625 if(V_VT(v) == (VT_VARIANT|VT_BYREF)) {
1626 if(func->args[i].by_ref)
1629 hres = VariantCopy(exec.args+i, V_VARIANTREF(v));
1631 hres = VariantCopy(exec.args+i, v);
1634 release_exec(&exec);
1643 exec.vars = heap_alloc_zero(func->var_cnt * sizeof(VARIANT));
1645 release_exec(&exec);
1646 return E_OUTOFMEMORY;
1652 exec.stack_size = 16;
1654 exec.stack = heap_alloc(exec.stack_size * sizeof(VARIANT));
1656 release_exec(&exec);
1657 return E_OUTOFMEMORY;
1661 exec.this_obj = this_obj;
1662 else if (ctx->host_global)
1663 exec.this_obj = ctx->host_global;
1665 exec.this_obj = (IDispatch*)&ctx->script_obj->IDispatchEx_iface;
1666 IDispatch_AddRef(exec.this_obj);
1668 exec.instr = exec.code->instrs + func->code_off;
1673 op = exec.instr->op;
1674 hres = op_funcs[op](&exec);
1676 if(exec.resume_next)
1677 FIXME("Failed %08x in resume next mode\n", hres);
1679 WARN("Failed %08x\n", hres);
1680 stack_popn(&exec, exec.top);
1684 exec.instr += op_move[op];
1688 if(func->type != FUNC_FUNCTION && func->type != FUNC_PROPGET && func->type != FUNC_DEFGET)
1689 assert(V_VT(&exec.ret_val) == VT_EMPTY);
1691 if(SUCCEEDED(hres) && res) {
1692 *res = exec.ret_val;
1693 V_VT(&exec.ret_val) = VT_EMPTY;
1696 release_exec(&exec);