2 * Copyright 2008 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
22 #include "wine/debug.h"
24 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
28 builtin_invoke_t value_proc;
30 source_elements_t *source;
31 parameter_t *parameters;
32 scope_chain_t *scope_chain;
37 static const WCHAR prototypeW[] = {'p','r','o','t','o','t', 'y', 'p','e',0};
39 static const WCHAR lengthW[] = {'l','e','n','g','t','h',0};
40 static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
41 static const WCHAR toLocaleStringW[] = {'t','o','L','o','c','a','l','e','S','t','r','i','n','g',0};
42 static const WCHAR valueOfW[] = {'v','a','l','u','e','O','f',0};
43 static const WCHAR applyW[] = {'a','p','p','l','y',0};
44 static const WCHAR callW[] = {'c','a','l','l',0};
45 static const WCHAR hasOwnPropertyW[] = {'h','a','s','O','w','n','P','r','o','p','e','r','t','y',0};
46 static const WCHAR propertyIsEnumerableW[] = {'p','r','o','p','e','r','t','y','I','s','E','n','u','m','e','r','a','b','l','e',0};
47 static const WCHAR isPrototypeOfW[] = {'i','s','P','r','o','t','o','t','y','p','e','O','f',0};
49 static IDispatch *get_this(DISPPARAMS *dp)
53 for(i=0; i < dp->cNamedArgs; i++) {
54 if(dp->rgdispidNamedArgs[i] == DISPID_THIS) {
55 if(V_VT(dp->rgvarg+i) == VT_DISPATCH)
56 return V_DISPATCH(dp->rgvarg+i);
58 WARN("This is not VT_DISPATCH\n");
63 TRACE("no this passed\n");
67 static HRESULT init_parameters(DispatchEx *var_disp, FunctionInstance *function, LCID lcid, DISPPARAMS *dp,
68 jsexcept_t *ei, IServiceProvider *caller)
75 V_VT(&var_empty) = VT_EMPTY;
76 cargs = dp->cArgs - dp->cNamedArgs;
78 for(param = function->parameters; param; param = param->next) {
79 hres = jsdisp_propput_name(var_disp, param->identifier, lcid,
80 i < cargs ? dp->rgvarg + dp->cArgs-1 - i : &var_empty,
91 static HRESULT create_var_disp(FunctionInstance *function, LCID lcid, DISPPARAMS *dp, jsexcept_t *ei,
92 IServiceProvider *caller, DispatchEx **ret)
97 hres = create_dispex(function->dispex.ctx, NULL, NULL, &var_disp);
101 hres = init_parameters(var_disp, function, lcid, dp, ei, caller);
103 jsdisp_release(var_disp);
111 static HRESULT invoke_source(FunctionInstance *function, IDispatch *this_obj, LCID lcid, DISPPARAMS *dp,
112 VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
114 DispatchEx *var_disp;
115 exec_ctx_t *exec_ctx;
116 scope_chain_t *scope;
119 if(!function->source) {
120 FIXME("no source\n");
124 hres = create_var_disp(function, lcid, dp, ei, caller, &var_disp);
128 hres = scope_push(function->scope_chain, var_disp, &scope);
129 if(SUCCEEDED(hres)) {
130 hres = create_exec_ctx(this_obj, var_disp, scope, &exec_ctx);
131 scope_release(scope);
136 hres = exec_source(exec_ctx, function->parser, function->source, ei, retv);
137 exec_release(exec_ctx);
142 static HRESULT invoke_function(FunctionInstance *function, LCID lcid, DISPPARAMS *dp,
143 VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
147 if(!(this_obj = get_this(dp)))
148 this_obj = (IDispatch*)_IDispatchEx_(function->dispex.ctx->script_disp);
150 return invoke_source(function, this_obj, lcid, dp, retv, ei, caller);
153 static HRESULT invoke_value_proc(FunctionInstance *function, LCID lcid, WORD flags, DISPPARAMS *dp,
154 VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
156 DispatchEx *this_obj = NULL;
157 IDispatch *this_disp;
160 this_disp = get_this(dp);
162 this_obj = iface_to_jsdisp((IUnknown*)this_disp);
164 hres = function->value_proc(this_obj ? this_obj : function->dispex.ctx->script_disp, lcid,
165 flags, dp, retv, ei, caller);
168 jsdisp_release(this_obj);
172 static HRESULT Function_length(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
173 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
175 FunctionInstance *This = (FunctionInstance*)dispex;
177 TRACE("%p %d\n", This, This->length);
180 case DISPATCH_PROPERTYGET:
182 V_I4(retv) = This->length;
185 FIXME("unimplemented flags %x\n", flags);
192 static HRESULT Function_toString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
193 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
199 static HRESULT Function_toLocaleString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
200 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
206 static HRESULT Function_valueOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
207 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
213 static HRESULT Function_apply(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
214 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
220 static HRESULT Function_call(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
221 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
227 static HRESULT Function_hasOwnProperty(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
228 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
234 static HRESULT Function_propertyIsEnumerable(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
235 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
241 static HRESULT Function_isPrototypeOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
242 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
248 static HRESULT Function_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
249 VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
251 FunctionInstance *function;
255 if(dispex->builtin_info->class != JSCLASS_FUNCTION) {
256 ERR("dispex is not a function\n");
260 function = (FunctionInstance*)dispex;
263 case DISPATCH_METHOD:
264 if(function->value_proc)
265 return invoke_value_proc(function, lcid, flags, dp, retv, ei, caller);
267 return invoke_function(function, lcid, dp, retv, ei, caller);
270 FIXME("not implemented flags %x\n", flags);
277 static void Function_destructor(DispatchEx *dispex)
279 FunctionInstance *This = (FunctionInstance*)dispex;
282 parser_release(This->parser);
283 if(This->scope_chain)
284 scope_release(This->scope_chain);
288 static const builtin_prop_t Function_props[] = {
289 {applyW, Function_apply, PROPF_METHOD},
290 {callW, Function_call, PROPF_METHOD},
291 {hasOwnPropertyW, Function_hasOwnProperty, PROPF_METHOD},
292 {isPrototypeOfW, Function_isPrototypeOf, PROPF_METHOD},
293 {lengthW, Function_length, 0},
294 {propertyIsEnumerableW, Function_propertyIsEnumerable, PROPF_METHOD},
295 {toLocaleStringW, Function_toLocaleString, PROPF_METHOD},
296 {toStringW, Function_toString, PROPF_METHOD},
297 {valueOfW, Function_valueOf, PROPF_METHOD}
300 static const builtin_info_t Function_info = {
302 {NULL, Function_value, 0},
303 sizeof(Function_props)/sizeof(*Function_props),
309 static HRESULT create_function(script_ctx_t *ctx, DWORD flags, DispatchEx *prototype, FunctionInstance **ret)
311 FunctionInstance *function;
314 function = heap_alloc_zero(sizeof(FunctionInstance));
316 return E_OUTOFMEMORY;
318 hres = init_dispex(&function->dispex, ctx, &Function_info, NULL);
322 function->flags = flags;
323 function->length = flags & PROPF_ARGMASK;
329 V_VT(&var) = VT_DISPATCH;
330 V_DISPATCH(&var) = (IDispatch*)_IDispatchEx_(prototype);
331 memset(&jsexcept, 0, sizeof(jsexcept));
333 hres = jsdisp_propput_name(&function->dispex, prototypeW, ctx->lcid, &var, &jsexcept, NULL/*FIXME*/);
335 IDispatchEx_Release(_IDispatchEx_(&function->dispex));
344 HRESULT create_builtin_function(script_ctx_t *ctx, builtin_invoke_t value_proc, DWORD flags,
345 DispatchEx *prototype, DispatchEx **ret)
347 FunctionInstance *function;
350 hres = create_function(ctx, flags, prototype, &function);
354 function->value_proc = value_proc;
356 *ret = &function->dispex;
360 HRESULT create_source_function(parser_ctx_t *ctx, parameter_t *parameters, source_elements_t *source,
361 scope_chain_t *scope_chain, DispatchEx **ret)
363 FunctionInstance *function;
368 hres = create_function(ctx->script, PROPF_CONSTR, NULL, &function);
372 function->source = source;
373 function->parameters = parameters;
376 scope_addref(scope_chain);
377 function->scope_chain = scope_chain;
381 function->parser = ctx;
383 for(iter = parameters; iter; iter = iter->next)
385 function->length = length;
387 *ret = &function->dispex;