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);
27 static DISPID propput_dispid = DISPID_PROPERTYPUT;
39 dynamic_var_t *dynamic_vars;
51 typedef HRESULT (*instr_func_t)(exec_ctx_t*);
81 static BOOL lookup_dynamic_vars(dynamic_var_t *var, const WCHAR *name, ref_t *ref)
84 if(!strcmpiW(var->name, name)) {
85 ref->type = var->is_const ? REF_CONST : REF_VAR;
96 static HRESULT lookup_identifier(exec_ctx_t *ctx, BSTR name, vbdisp_invoke_type_t invoke_type, ref_t *ref)
104 static const WCHAR errW[] = {'e','r','r',0};
106 if(invoke_type == VBDISP_LET
107 && (ctx->func->type == FUNC_FUNCTION || ctx->func->type == FUNC_PROPGET || ctx->func->type == FUNC_DEFGET)
108 && !strcmpiW(name, ctx->func->name)) {
110 ref->u.v = &ctx->ret_val;
114 for(i=0; i < ctx->func->var_cnt; i++) {
115 if(!strcmpiW(ctx->func->vars[i].name, name)) {
117 ref->u.v = ctx->vars+i;
122 for(i=0; i < ctx->func->arg_cnt; i++) {
123 if(!strcmpiW(ctx->func->args[i].name, name)) {
125 ref->u.v = ctx->args+i;
130 if(lookup_dynamic_vars(ctx->func->type == FUNC_GLOBAL ? ctx->script->global_vars : ctx->dynamic_vars, name, ref))
133 if(ctx->func->type != FUNC_GLOBAL) {
134 hres = disp_get_id(ctx->this_obj, name, invoke_type, TRUE, &id);
135 if(SUCCEEDED(hres)) {
136 ref->type = REF_DISP;
137 ref->u.d.disp = ctx->this_obj;
143 if(ctx->func->type != FUNC_GLOBAL && lookup_dynamic_vars(ctx->script->global_vars, name, ref))
146 for(func = ctx->script->global_funcs; func; func = func->next) {
147 if(!strcmpiW(func->name, name)) {
148 ref->type = REF_FUNC;
154 if(!strcmpiW(name, errW)) {
156 ref->u.obj = (IDispatch*)&ctx->script->err_obj->IDispatchEx_iface;
160 hres = vbdisp_get_id(ctx->script->global_obj, name, invoke_type, TRUE, &id);
161 if(SUCCEEDED(hres)) {
162 ref->type = REF_DISP;
163 ref->u.d.disp = (IDispatch*)&ctx->script->global_obj->IDispatchEx_iface;
168 LIST_FOR_EACH_ENTRY(item, &ctx->script->named_items, named_item_t, entry) {
169 if((item->flags & SCRIPTITEM_ISVISIBLE) && !strcmpiW(item->name, name)) {
173 hres = IActiveScriptSite_GetItemInfo(ctx->script->site, name, SCRIPTINFO_IUNKNOWN, &unk, NULL);
175 WARN("GetItemInfo failed: %08x\n", hres);
179 hres = IUnknown_QueryInterface(unk, &IID_IDispatch, (void**)&item->disp);
180 IUnknown_Release(unk);
182 WARN("object does not implement IDispatch\n");
188 ref->u.obj = item->disp;
193 LIST_FOR_EACH_ENTRY(item, &ctx->script->named_items, named_item_t, entry) {
194 if((item->flags & SCRIPTITEM_GLOBALMEMBERS)) {
195 hres = disp_get_id(item->disp, name, invoke_type, FALSE, &id);
196 if(SUCCEEDED(hres)) {
197 ref->type = REF_DISP;
198 ref->u.d.disp = item->disp;
205 ref->type = REF_NONE;
209 static HRESULT add_dynamic_var(exec_ctx_t *ctx, const WCHAR *name,
210 BOOL is_const, VARIANT *val, BOOL own_val, VARIANT **out_var)
212 dynamic_var_t *new_var;
218 heap = ctx->func->type == FUNC_GLOBAL ? &ctx->script->heap : &ctx->heap;
220 new_var = vbsheap_alloc(heap, sizeof(*new_var));
222 return E_OUTOFMEMORY;
224 size = (strlenW(name)+1)*sizeof(WCHAR);
225 str = vbsheap_alloc(heap, size);
227 return E_OUTOFMEMORY;
228 memcpy(str, name, size);
230 new_var->is_const = is_const;
235 V_VT(&new_var->v) = VT_EMPTY;
236 hres = VariantCopy(&new_var->v, val);
241 if(ctx->func->type == FUNC_GLOBAL) {
242 new_var->next = ctx->script->global_vars;
243 ctx->script->global_vars = new_var;
245 new_var->next = ctx->dynamic_vars;
246 ctx->dynamic_vars = new_var;
250 *out_var = &new_var->v;
255 static inline VARIANT *stack_pop(exec_ctx_t *ctx)
258 return ctx->stack + --ctx->top;
261 static inline VARIANT *stack_top(exec_ctx_t *ctx, unsigned n)
263 assert(ctx->top >= n);
264 return ctx->stack + (ctx->top-n-1);
267 static HRESULT stack_push(exec_ctx_t *ctx, VARIANT *v)
269 if(ctx->stack_size == ctx->top) {
272 new_stack = heap_realloc(ctx->stack, ctx->stack_size*2*sizeof(*ctx->stack));
275 return E_OUTOFMEMORY;
278 ctx->stack = new_stack;
279 ctx->stack_size *= 2;
282 ctx->stack[ctx->top++] = *v;
286 static inline HRESULT stack_push_null(exec_ctx_t *ctx)
290 return stack_push(ctx, &v);
293 static void stack_popn(exec_ctx_t *ctx, unsigned n)
296 VariantClear(stack_pop(ctx));
299 static HRESULT stack_pop_val(exec_ctx_t *ctx, variant_val_t *v)
303 var = stack_pop(ctx);
305 if(V_VT(var) == (VT_BYREF|VT_VARIANT)) {
307 var = V_VARIANTREF(var);
312 if(V_VT(var) == VT_DISPATCH) {
316 hres = disp_call(ctx->script, V_DISPATCH(var), DISPID_VALUE, &dp, &v->store);
318 IDispatch_Release(V_DISPATCH(var));
331 static HRESULT stack_assume_val(exec_ctx_t *ctx, unsigned n)
333 VARIANT *v = stack_top(ctx, n);
336 if(V_VT(v) == (VT_BYREF|VT_VARIANT)) {
337 VARIANT *ref = V_VARIANTREF(v);
340 hres = VariantCopy(v, ref);
345 if(V_VT(v) == VT_DISPATCH) {
349 disp = V_DISPATCH(v);
351 hres = disp_call(ctx->script, disp, DISPID_VALUE, &dp, v);
352 IDispatch_Release(disp);
360 static inline void release_val(variant_val_t *v)
366 static int stack_pop_bool(exec_ctx_t *ctx, BOOL *b)
371 hres = stack_pop_val(ctx, &val);
390 FIXME("unsupported for %s\n", debugstr_variant(val.v));
397 static HRESULT stack_pop_disp(exec_ctx_t *ctx, IDispatch **ret)
399 VARIANT *v = stack_pop(ctx);
401 if(V_VT(v) == VT_DISPATCH) {
402 *ret = V_DISPATCH(v);
406 if(V_VT(v) != (VT_VARIANT|VT_BYREF)) {
407 FIXME("not supported type: %s\n", debugstr_variant(v));
413 if(V_VT(v) != VT_DISPATCH) {
414 FIXME("not disp %s\n", debugstr_variant(v));
419 IDispatch_AddRef(V_DISPATCH(v));
420 *ret = V_DISPATCH(v);
424 static HRESULT stack_assume_disp(exec_ctx_t *ctx, unsigned n, IDispatch **disp)
426 VARIANT *v = stack_top(ctx, n), *ref;
428 if(V_VT(v) != VT_DISPATCH) {
429 if(V_VT(v) != (VT_VARIANT|VT_BYREF)) {
430 FIXME("not supported type: %s\n", debugstr_variant(v));
434 ref = V_VARIANTREF(v);
435 if(V_VT(ref) != VT_DISPATCH) {
436 FIXME("not disp %s\n", debugstr_variant(ref));
440 V_VT(v) = VT_DISPATCH;
441 V_DISPATCH(v) = V_DISPATCH(ref);
443 IDispatch_AddRef(V_DISPATCH(v));
447 *disp = V_DISPATCH(v);
451 static inline void instr_jmp(exec_ctx_t *ctx, unsigned addr)
453 ctx->instr = ctx->code->instrs + addr;
456 static void vbstack_to_dp(exec_ctx_t *ctx, unsigned arg_cnt, BOOL is_propput, DISPPARAMS *dp)
458 dp->cNamedArgs = is_propput ? 1 : 0;
459 dp->cArgs = arg_cnt + dp->cNamedArgs;
460 dp->rgdispidNamedArgs = is_propput ? &propput_dispid : NULL;
466 assert(ctx->top >= arg_cnt);
468 for(i=1; i*2 <= arg_cnt; i++) {
469 tmp = ctx->stack[ctx->top-i];
470 ctx->stack[ctx->top-i] = ctx->stack[ctx->top-arg_cnt+i-1];
471 ctx->stack[ctx->top-arg_cnt+i-1] = tmp;
474 dp->rgvarg = ctx->stack + ctx->top-dp->cArgs;
476 dp->rgvarg = is_propput ? ctx->stack+ctx->top-1 : NULL;
480 static HRESULT do_icall(exec_ctx_t *ctx, VARIANT *res)
482 BSTR identifier = ctx->instr->arg1.bstr;
483 const unsigned arg_cnt = ctx->instr->arg2.uint;
488 hres = lookup_identifier(ctx, identifier, VBDISP_CALLGET, &ref);
492 vbstack_to_dp(ctx, arg_cnt, FALSE, &dp);
498 FIXME("REF_VAR no res\n");
503 FIXME("arguments not implemented\n");
507 V_VT(res) = VT_BYREF|VT_VARIANT;
508 V_BYREF(res) = V_VT(ref.u.v) == (VT_VARIANT|VT_BYREF) ? V_VARIANTREF(ref.u.v) : ref.u.v;
511 hres = disp_call(ctx->script, ref.u.d.disp, ref.u.d.id, &dp, res);
516 hres = exec_script(ctx->script, ref.u.f, NULL, &dp, res);
522 FIXME("arguments on object\n");
527 IDispatch_AddRef(ref.u.obj);
528 V_VT(res) = VT_DISPATCH;
529 V_DISPATCH(res) = ref.u.obj;
533 if(res && !ctx->func->code_ctx->option_explicit && arg_cnt == 0) {
536 hres = add_dynamic_var(ctx, identifier, FALSE, &v, FALSE, &new);
539 V_VT(res) = VT_BYREF|VT_VARIANT;
543 FIXME("%s not found\n", debugstr_w(identifier));
544 return DISP_E_UNKNOWNNAME;
547 stack_popn(ctx, arg_cnt);
551 static HRESULT interp_icall(exec_ctx_t *ctx)
558 hres = do_icall(ctx, &v);
562 return stack_push(ctx, &v);
565 static HRESULT interp_icallv(exec_ctx_t *ctx)
568 return do_icall(ctx, NULL);
571 static HRESULT do_mcall(exec_ctx_t *ctx, VARIANT *res)
573 const BSTR identifier = ctx->instr->arg1.bstr;
574 const unsigned arg_cnt = ctx->instr->arg2.uint;
580 hres = stack_pop_disp(ctx, &obj);
589 vbstack_to_dp(ctx, arg_cnt, FALSE, &dp);
591 hres = disp_get_id(obj, identifier, VBDISP_CALLGET, FALSE, &id);
593 hres = disp_call(ctx->script, obj, id, &dp, res);
594 IDispatch_Release(obj);
598 stack_popn(ctx, arg_cnt);
602 static HRESULT interp_mcall(exec_ctx_t *ctx)
609 hres = do_mcall(ctx, &res);
613 return stack_push(ctx, &res);
616 static HRESULT interp_mcallv(exec_ctx_t *ctx)
620 return do_mcall(ctx, NULL);
623 static HRESULT assign_ident(exec_ctx_t *ctx, BSTR name, DISPPARAMS *dp)
628 hres = lookup_identifier(ctx, name, VBDISP_LET, &ref);
634 VARIANT *v = ref.u.v;
637 FIXME("arg_cnt %d not supported\n", arg_cnt(dp));
641 if(V_VT(v) == (VT_VARIANT|VT_BYREF))
644 hres = VariantCopy(v, dp->rgvarg);
648 hres = disp_propput(ctx->script, ref.u.d.disp, ref.u.d.id, dp);
651 FIXME("functions not implemented\n");
657 FIXME("REF_CONST\n");
660 if(ctx->func->code_ctx->option_explicit) {
661 FIXME("throw exception\n");
665 FIXME("arg_cnt %d not supported\n", arg_cnt(dp));
669 TRACE("creating variable %s\n", debugstr_w(name));
670 hres = add_dynamic_var(ctx, name, FALSE, dp->rgvarg, FALSE, NULL);
677 static HRESULT interp_assign_ident(exec_ctx_t *ctx)
679 const BSTR arg = ctx->instr->arg1.bstr;
680 const unsigned arg_cnt = ctx->instr->arg2.uint;
684 TRACE("%s\n", debugstr_w(arg));
686 hres = stack_assume_val(ctx, arg_cnt);
690 vbstack_to_dp(ctx, arg_cnt, TRUE, &dp);
691 hres = assign_ident(ctx, arg, &dp);
695 stack_popn(ctx, arg_cnt+1);
699 static HRESULT interp_set_ident(exec_ctx_t *ctx)
701 const BSTR arg = ctx->instr->arg1.bstr;
702 const unsigned arg_cnt = ctx->instr->arg2.uint;
706 TRACE("%s\n", debugstr_w(arg));
709 FIXME("arguments not supported\n");
713 hres = stack_assume_disp(ctx, 0, NULL);
717 vbstack_to_dp(ctx, 0, TRUE, &dp);
718 hres = assign_ident(ctx, ctx->instr->arg1.bstr, &dp);
726 static HRESULT interp_assign_member(exec_ctx_t *ctx)
728 BSTR identifier = ctx->instr->arg1.bstr;
729 const unsigned arg_cnt = ctx->instr->arg2.uint;
735 TRACE("%s\n", debugstr_w(identifier));
737 hres = stack_assume_disp(ctx, arg_cnt+1, &obj);
746 hres = stack_assume_val(ctx, arg_cnt);
750 hres = disp_get_id(obj, identifier, VBDISP_LET, FALSE, &id);
751 if(SUCCEEDED(hres)) {
752 vbstack_to_dp(ctx, arg_cnt, TRUE, &dp);
753 hres = disp_propput(ctx->script, obj, id, &dp);
758 stack_popn(ctx, arg_cnt+2);
762 static HRESULT interp_set_member(exec_ctx_t *ctx)
764 BSTR identifier = ctx->instr->arg1.bstr;
765 const unsigned arg_cnt = ctx->instr->arg2.uint;
771 TRACE("%s\n", debugstr_w(identifier));
774 FIXME("arguments not supported\n");
778 hres = stack_assume_disp(ctx, 1, &obj);
787 hres = stack_assume_disp(ctx, 0, NULL);
791 hres = disp_get_id(obj, identifier, VBDISP_SET, FALSE, &id);
792 if(SUCCEEDED(hres)) {
793 vbstack_to_dp(ctx, arg_cnt, TRUE, &dp);
794 hres = disp_propput(ctx->script, obj, id, &dp);
803 static HRESULT interp_const(exec_ctx_t *ctx)
805 BSTR arg = ctx->instr->arg1.bstr;
810 TRACE("%s\n", debugstr_w(arg));
812 assert(ctx->func->type == FUNC_GLOBAL);
814 hres = lookup_identifier(ctx, arg, VBDISP_CALLGET, &ref);
818 if(ref.type != REF_NONE) {
819 FIXME("%s already defined\n", debugstr_w(arg));
823 hres = stack_pop_val(ctx, &val);
827 return add_dynamic_var(ctx, arg, TRUE, val.v, val.owned, NULL);
830 static HRESULT interp_val(exec_ctx_t *ctx)
838 hres = stack_pop_val(ctx, &val);
844 hres = VariantCopy(&v, val.v);
849 return stack_push(ctx, val.owned ? val.v : &v);
852 static HRESULT interp_pop(exec_ctx_t *ctx)
854 const unsigned n = ctx->instr->arg1.uint;
862 static HRESULT interp_new(exec_ctx_t *ctx)
864 const WCHAR *arg = ctx->instr->arg1.bstr;
865 class_desc_t *class_desc;
870 TRACE("%s\n", debugstr_w(arg));
872 for(class_desc = ctx->script->classes; class_desc; class_desc = class_desc->next) {
873 if(!strcmpiW(class_desc->name, arg))
877 FIXME("Class %s not found\n", debugstr_w(arg));
881 hres = create_vbdisp(class_desc, &obj);
885 V_VT(&v) = VT_DISPATCH;
886 V_DISPATCH(&v) = (IDispatch*)&obj->IDispatchEx_iface;
887 return stack_push(ctx, &v);
890 static HRESULT interp_step(exec_ctx_t *ctx)
892 const BSTR ident = ctx->instr->arg2.bstr;
898 TRACE("%s\n", debugstr_w(ident));
902 hres = VarCmp(stack_top(ctx, 0), &zero, ctx->script->lcid, 0);
906 gteq_zero = hres == VARCMP_GT || hres == VARCMP_EQ;
908 hres = lookup_identifier(ctx, ident, VBDISP_ANY, &ref);
912 if(ref.type != REF_VAR) {
913 FIXME("%s is not REF_VAR\n", debugstr_w(ident));
917 hres = VarCmp(ref.u.v, stack_top(ctx, 1), ctx->script->lcid, 0);
921 if(hres == VARCMP_EQ || hres == (gteq_zero ? VARCMP_LT : VARCMP_GT)) {
925 instr_jmp(ctx, ctx->instr->arg1.uint);
930 static HRESULT interp_newenum(exec_ctx_t *ctx)
944 hres = disp_call(ctx->script, V_DISPATCH(v), DISPID_NEWENUM, &dp, &iterv);
949 if(V_VT(&iterv) != VT_UNKNOWN && V_VT(&iterv) != VT_DISPATCH) {
950 FIXME("Unsupported iterv %s\n", debugstr_variant(&iterv));
951 VariantClear(&iterv);
955 hres = IUnknown_QueryInterface(V_UNKNOWN(&iterv), &IID_IEnumVARIANT, (void**)&iter);
956 IUnknown_Release(V_UNKNOWN(&iterv));
958 FIXME("Could not get IEnumVARIANT iface: %08x\n", hres);
962 V_VT(&r) = VT_UNKNOWN;
963 V_UNKNOWN(&r) = (IUnknown*)iter;
967 FIXME("Unsupported for %s\n", debugstr_variant(v));
972 return stack_push(ctx, &r);
975 static HRESULT interp_enumnext(exec_ctx_t *ctx)
977 const unsigned loop_end = ctx->instr->arg1.uint;
978 const BSTR ident = ctx->instr->arg2.bstr;
980 DISPPARAMS dp = {&v, &propput_dispid, 1, 1};
987 assert(V_VT(stack_top(ctx, 0)) == VT_UNKNOWN);
988 iter = (IEnumVARIANT*)V_UNKNOWN(stack_top(ctx, 0));
991 hres = IEnumVARIANT_Next(iter, 1, &v, NULL);
995 do_continue = hres == S_OK;
996 hres = assign_ident(ctx, ident, &dp);
1005 instr_jmp(ctx, loop_end);
1010 static HRESULT interp_jmp(exec_ctx_t *ctx)
1012 const unsigned arg = ctx->instr->arg1.uint;
1016 instr_jmp(ctx, arg);
1020 static HRESULT interp_jmp_false(exec_ctx_t *ctx)
1022 const unsigned arg = ctx->instr->arg1.uint;
1028 hres = stack_pop_bool(ctx, &b);
1035 instr_jmp(ctx, ctx->instr->arg1.uint);
1039 static HRESULT interp_jmp_true(exec_ctx_t *ctx)
1041 const unsigned arg = ctx->instr->arg1.uint;
1047 hres = stack_pop_bool(ctx, &b);
1052 instr_jmp(ctx, ctx->instr->arg1.uint);
1058 static HRESULT interp_ret(exec_ctx_t *ctx)
1066 static HRESULT interp_stop(exec_ctx_t *ctx)
1070 /* NOTE: this should have effect in debugging mode (that we don't support yet) */
1074 static HRESULT interp_me(exec_ctx_t *ctx)
1080 IDispatch_AddRef(ctx->this_obj);
1081 V_VT(&v) = VT_DISPATCH;
1082 V_DISPATCH(&v) = ctx->this_obj;
1083 return stack_push(ctx, &v);
1086 static HRESULT interp_bool(exec_ctx_t *ctx)
1088 const VARIANT_BOOL arg = ctx->instr->arg1.lng;
1091 TRACE("%s\n", arg ? "true" : "false");
1095 return stack_push(ctx, &v);
1098 static HRESULT interp_errmode(exec_ctx_t *ctx)
1100 const int err_mode = ctx->instr->arg1.uint;
1102 TRACE("%d\n", err_mode);
1104 ctx->resume_next = err_mode;
1108 static HRESULT interp_string(exec_ctx_t *ctx)
1115 V_BSTR(&v) = SysAllocString(ctx->instr->arg1.str);
1117 return E_OUTOFMEMORY;
1119 return stack_push(ctx, &v);
1122 static HRESULT interp_long(exec_ctx_t *ctx)
1124 const LONG arg = ctx->instr->arg1.lng;
1131 return stack_push(ctx, &v);
1134 static HRESULT interp_short(exec_ctx_t *ctx)
1136 const LONG arg = ctx->instr->arg1.lng;
1143 return stack_push(ctx, &v);
1146 static HRESULT interp_double(exec_ctx_t *ctx)
1148 const DOUBLE *arg = ctx->instr->arg1.dbl;
1151 TRACE("%lf\n", *arg);
1155 return stack_push(ctx, &v);
1158 static HRESULT interp_empty(exec_ctx_t *ctx)
1164 V_VT(&v) = VT_EMPTY;
1165 return stack_push(ctx, &v);
1168 static HRESULT interp_null(exec_ctx_t *ctx)
1171 return stack_push_null(ctx);
1174 static HRESULT interp_nothing(exec_ctx_t *ctx)
1180 V_VT(&v) = VT_DISPATCH;
1181 V_DISPATCH(&v) = NULL;
1182 return stack_push(ctx, &v);
1185 static HRESULT interp_not(exec_ctx_t *ctx)
1193 hres = stack_pop_val(ctx, &val);
1197 hres = VarNot(val.v, &v);
1202 return stack_push(ctx, &v);
1205 static HRESULT interp_and(exec_ctx_t *ctx)
1213 hres = stack_pop_val(ctx, &r);
1217 hres = stack_pop_val(ctx, &l);
1218 if(SUCCEEDED(hres)) {
1219 hres = VarAnd(l.v, r.v, &v);
1226 return stack_push(ctx, &v);
1229 static HRESULT interp_or(exec_ctx_t *ctx)
1237 hres = stack_pop_val(ctx, &r);
1241 hres = stack_pop_val(ctx, &l);
1242 if(SUCCEEDED(hres)) {
1243 hres = VarOr(l.v, r.v, &v);
1250 return stack_push(ctx, &v);
1253 static HRESULT interp_xor(exec_ctx_t *ctx)
1261 hres = stack_pop_val(ctx, &r);
1265 hres = stack_pop_val(ctx, &l);
1266 if(SUCCEEDED(hres)) {
1267 hres = VarXor(l.v, r.v, &v);
1274 return stack_push(ctx, &v);
1277 static HRESULT interp_eqv(exec_ctx_t *ctx)
1285 hres = stack_pop_val(ctx, &r);
1289 hres = stack_pop_val(ctx, &l);
1290 if(SUCCEEDED(hres)) {
1291 hres = VarEqv(l.v, r.v, &v);
1298 return stack_push(ctx, &v);
1301 static HRESULT interp_imp(exec_ctx_t *ctx)
1309 hres = stack_pop_val(ctx, &r);
1313 hres = stack_pop_val(ctx, &l);
1314 if(SUCCEEDED(hres)) {
1315 hres = VarImp(l.v, r.v, &v);
1322 return stack_push(ctx, &v);
1325 static HRESULT var_cmp(exec_ctx_t *ctx, VARIANT *l, VARIANT *r)
1327 TRACE("%s %s\n", debugstr_variant(l), debugstr_variant(r));
1329 /* FIXME: Fix comparing string to number */
1331 return VarCmp(l, r, ctx->script->lcid, 0);
1334 static HRESULT cmp_oper(exec_ctx_t *ctx)
1339 hres = stack_pop_val(ctx, &r);
1343 hres = stack_pop_val(ctx, &l);
1344 if(SUCCEEDED(hres)) {
1345 hres = var_cmp(ctx, l.v, r.v);
1353 static HRESULT interp_equal(exec_ctx_t *ctx)
1360 hres = cmp_oper(ctx);
1363 if(hres == VARCMP_NULL)
1364 return stack_push_null(ctx);
1367 V_BOOL(&v) = hres == VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1368 return stack_push(ctx, &v);
1371 static HRESULT interp_nequal(exec_ctx_t *ctx)
1378 hres = cmp_oper(ctx);
1381 if(hres == VARCMP_NULL)
1382 return stack_push_null(ctx);
1385 V_BOOL(&v) = hres != VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1386 return stack_push(ctx, &v);
1389 static HRESULT interp_gt(exec_ctx_t *ctx)
1396 hres = cmp_oper(ctx);
1399 if(hres == VARCMP_NULL)
1400 return stack_push_null(ctx);
1403 V_BOOL(&v) = hres == VARCMP_GT ? VARIANT_TRUE : VARIANT_FALSE;
1404 return stack_push(ctx, &v);
1407 static HRESULT interp_gteq(exec_ctx_t *ctx)
1414 hres = cmp_oper(ctx);
1417 if(hres == VARCMP_NULL)
1418 return stack_push_null(ctx);
1421 V_BOOL(&v) = hres == VARCMP_GT || hres == VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1422 return stack_push(ctx, &v);
1425 static HRESULT interp_lt(exec_ctx_t *ctx)
1432 hres = cmp_oper(ctx);
1435 if(hres == VARCMP_NULL)
1436 return stack_push_null(ctx);
1439 V_BOOL(&v) = hres == VARCMP_LT ? VARIANT_TRUE : VARIANT_FALSE;
1440 return stack_push(ctx, &v);
1443 static HRESULT interp_lteq(exec_ctx_t *ctx)
1450 hres = cmp_oper(ctx);
1453 if(hres == VARCMP_NULL)
1454 return stack_push_null(ctx);
1457 V_BOOL(&v) = hres == VARCMP_LT || hres == VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1458 return stack_push(ctx, &v);
1461 static HRESULT interp_case(exec_ctx_t *ctx)
1463 const unsigned arg = ctx->instr->arg1.uint;
1469 hres = stack_pop_val(ctx, &v);
1473 hres = var_cmp(ctx, stack_top(ctx, 0), v.v);
1478 if(hres == VARCMP_EQ) {
1480 instr_jmp(ctx, arg);
1488 static HRESULT disp_cmp(IDispatch *disp1, IDispatch *disp2, VARIANT_BOOL *ret)
1490 IObjectIdentity *identity;
1491 IUnknown *unk1, *unk2;
1494 if(disp1 == disp2) {
1495 *ret = VARIANT_TRUE;
1499 if(!disp1 || !disp2) {
1500 *ret = VARIANT_FALSE;
1504 hres = IDispatch_QueryInterface(disp1, &IID_IUnknown, (void**)&unk1);
1508 hres = IDispatch_QueryInterface(disp2, &IID_IUnknown, (void**)&unk2);
1510 IUnknown_Release(unk1);
1515 *ret = VARIANT_TRUE;
1517 hres = IUnknown_QueryInterface(unk1, &IID_IObjectIdentity, (void**)&identity);
1518 if(SUCCEEDED(hres)) {
1519 hres = IObjectIdentity_IsEqualObject(identity, unk2);
1520 IObjectIdentity_Release(identity);
1521 *ret = hres == S_OK ? VARIANT_TRUE : VARIANT_FALSE;
1523 *ret = VARIANT_FALSE;
1527 IUnknown_Release(unk1);
1528 IUnknown_Release(unk2);
1532 static HRESULT interp_is(exec_ctx_t *ctx)
1540 hres = stack_pop_disp(ctx, &r);
1544 hres = stack_pop_disp(ctx, &l);
1545 if(SUCCEEDED(hres)) {
1547 hres = disp_cmp(l, r, &V_BOOL(&v));
1549 IDispatch_Release(l);
1552 IDispatch_Release(r);
1556 return stack_push(ctx, &v);
1559 static HRESULT interp_concat(exec_ctx_t *ctx)
1567 hres = stack_pop_val(ctx, &r);
1571 hres = stack_pop_val(ctx, &l);
1572 if(SUCCEEDED(hres)) {
1573 hres = VarCat(l.v, r.v, &v);
1580 return stack_push(ctx, &v);
1583 static HRESULT interp_add(exec_ctx_t *ctx)
1591 hres = stack_pop_val(ctx, &r);
1595 hres = stack_pop_val(ctx, &l);
1596 if(SUCCEEDED(hres)) {
1597 hres = VarAdd(l.v, r.v, &v);
1604 return stack_push(ctx, &v);
1607 static HRESULT interp_sub(exec_ctx_t *ctx)
1615 hres = stack_pop_val(ctx, &r);
1619 hres = stack_pop_val(ctx, &l);
1620 if(SUCCEEDED(hres)) {
1621 hres = VarSub(l.v, r.v, &v);
1628 return stack_push(ctx, &v);
1631 static HRESULT interp_mod(exec_ctx_t *ctx)
1639 hres = stack_pop_val(ctx, &r);
1643 hres = stack_pop_val(ctx, &l);
1644 if(SUCCEEDED(hres)) {
1645 hres = VarMod(l.v, r.v, &v);
1652 return stack_push(ctx, &v);
1655 static HRESULT interp_idiv(exec_ctx_t *ctx)
1663 hres = stack_pop_val(ctx, &r);
1667 hres = stack_pop_val(ctx, &l);
1668 if(SUCCEEDED(hres)) {
1669 hres = VarIdiv(l.v, r.v, &v);
1676 return stack_push(ctx, &v);
1679 static HRESULT interp_div(exec_ctx_t *ctx)
1687 hres = stack_pop_val(ctx, &r);
1691 hres = stack_pop_val(ctx, &l);
1692 if(SUCCEEDED(hres)) {
1693 hres = VarDiv(l.v, r.v, &v);
1700 return stack_push(ctx, &v);
1703 static HRESULT interp_mul(exec_ctx_t *ctx)
1711 hres = stack_pop_val(ctx, &r);
1715 hres = stack_pop_val(ctx, &l);
1716 if(SUCCEEDED(hres)) {
1717 hres = VarMul(l.v, r.v, &v);
1724 return stack_push(ctx, &v);
1727 static HRESULT interp_exp(exec_ctx_t *ctx)
1735 hres = stack_pop_val(ctx, &r);
1739 hres = stack_pop_val(ctx, &l);
1740 if(SUCCEEDED(hres)) {
1741 hres = VarPow(l.v, r.v, &v);
1748 return stack_push(ctx, &v);
1751 static HRESULT interp_neg(exec_ctx_t *ctx)
1757 hres = stack_pop_val(ctx, &val);
1761 hres = VarNeg(val.v, &v);
1766 return stack_push(ctx, &v);
1769 static HRESULT interp_incc(exec_ctx_t *ctx)
1771 const BSTR ident = ctx->instr->arg1.bstr;
1778 hres = lookup_identifier(ctx, ident, VBDISP_LET, &ref);
1782 if(ref.type != REF_VAR) {
1783 FIXME("ref.type is not REF_VAR\n");
1787 hres = VarAdd(stack_top(ctx, 0), ref.u.v, &v);
1791 VariantClear(ref.u.v);
1796 static const instr_func_t op_funcs[] = {
1797 #define X(x,n,a,b) interp_ ## x,
1802 static const unsigned op_move[] = {
1803 #define X(x,n,a,b) n,
1808 void release_dynamic_vars(dynamic_var_t *var)
1811 VariantClear(&var->v);
1816 static void release_exec(exec_ctx_t *ctx)
1820 VariantClear(&ctx->ret_val);
1821 release_dynamic_vars(ctx->dynamic_vars);
1824 IDispatch_Release(ctx->this_obj);
1827 for(i=0; i < ctx->func->arg_cnt; i++)
1828 VariantClear(ctx->args+i);
1832 for(i=0; i < ctx->func->var_cnt; i++)
1833 VariantClear(ctx->vars+i);
1836 vbsheap_free(&ctx->heap);
1837 heap_free(ctx->args);
1838 heap_free(ctx->vars);
1839 heap_free(ctx->stack);
1842 HRESULT exec_script(script_ctx_t *ctx, function_t *func, IDispatch *this_obj, DISPPARAMS *dp, VARIANT *res)
1844 exec_ctx_t exec = {func->code_ctx};
1846 HRESULT hres = S_OK;
1848 exec.code = func->code_ctx;
1850 if(dp ? func->arg_cnt != arg_cnt(dp) : func->arg_cnt) {
1851 FIXME("wrong arg_cnt %d, expected %d\n", dp ? arg_cnt(dp) : 0, func->arg_cnt);
1855 vbsheap_init(&exec.heap);
1861 exec.args = heap_alloc_zero(func->arg_cnt * sizeof(VARIANT));
1863 release_exec(&exec);
1864 return E_OUTOFMEMORY;
1867 for(i=0; i < func->arg_cnt; i++) {
1869 if(V_VT(v) == (VT_VARIANT|VT_BYREF)) {
1870 if(func->args[i].by_ref)
1873 hres = VariantCopy(exec.args+i, V_VARIANTREF(v));
1875 hres = VariantCopy(exec.args+i, v);
1878 release_exec(&exec);
1887 exec.vars = heap_alloc_zero(func->var_cnt * sizeof(VARIANT));
1889 release_exec(&exec);
1890 return E_OUTOFMEMORY;
1896 exec.stack_size = 16;
1898 exec.stack = heap_alloc(exec.stack_size * sizeof(VARIANT));
1900 release_exec(&exec);
1901 return E_OUTOFMEMORY;
1905 exec.this_obj = this_obj;
1906 else if (ctx->host_global)
1907 exec.this_obj = ctx->host_global;
1909 exec.this_obj = (IDispatch*)&ctx->script_obj->IDispatchEx_iface;
1910 IDispatch_AddRef(exec.this_obj);
1912 exec.instr = exec.code->instrs + func->code_off;
1917 op = exec.instr->op;
1918 hres = op_funcs[op](&exec);
1920 if(exec.resume_next)
1921 FIXME("Failed %08x in resume next mode\n", hres);
1923 WARN("Failed %08x\n", hres);
1924 stack_popn(&exec, exec.top);
1928 exec.instr += op_move[op];
1932 if(func->type != FUNC_FUNCTION && func->type != FUNC_PROPGET && func->type != FUNC_DEFGET)
1933 assert(V_VT(&exec.ret_val) == VT_EMPTY);
1935 if(SUCCEEDED(hres) && res) {
1936 *res = exec.ret_val;
1937 V_VT(&exec.ret_val) = VT_EMPTY;
1940 release_exec(&exec);