843 lines
23 KiB
C
843 lines
23 KiB
C
/*
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* Copyright 2008 Jacek Caban for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "jscript.h"
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#include "engine.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(jscript);
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typedef struct {
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jsdisp_t dispex;
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builtin_invoke_t value_proc;
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const WCHAR *name;
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DWORD flags;
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scope_chain_t *scope_chain;
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bytecode_t *code;
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function_code_t *func_code;
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DWORD length;
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jsdisp_t *arguments;
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} FunctionInstance;
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static inline FunctionInstance *function_from_vdisp(vdisp_t *vdisp)
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{
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return (FunctionInstance*)vdisp->u.jsdisp;
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}
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static inline FunctionInstance *function_this(vdisp_t *jsthis)
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{
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return is_vclass(jsthis, JSCLASS_FUNCTION) ? function_from_vdisp(jsthis) : NULL;
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}
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static const WCHAR prototypeW[] = {'p','r','o','t','o','t', 'y', 'p','e',0};
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static const WCHAR lengthW[] = {'l','e','n','g','t','h',0};
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static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
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static const WCHAR applyW[] = {'a','p','p','l','y',0};
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static const WCHAR callW[] = {'c','a','l','l',0};
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static const WCHAR argumentsW[] = {'a','r','g','u','m','e','n','t','s',0};
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static IDispatch *get_this(DISPPARAMS *dp)
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{
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DWORD i;
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for(i=0; i < dp->cNamedArgs; i++) {
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if(dp->rgdispidNamedArgs[i] == DISPID_THIS) {
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if(V_VT(dp->rgvarg+i) == VT_DISPATCH)
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return V_DISPATCH(dp->rgvarg+i);
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WARN("This is not VT_DISPATCH\n");
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return NULL;
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}
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}
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TRACE("no this passed\n");
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return NULL;
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}
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static HRESULT init_parameters(jsdisp_t *var_disp, FunctionInstance *function, DISPPARAMS *dp,
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jsexcept_t *ei)
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{
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VARIANT var_empty;
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DWORD cargs, i=0;
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HRESULT hres;
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V_VT(&var_empty) = VT_EMPTY;
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cargs = arg_cnt(dp);
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for(i=0; i < function->func_code->param_cnt; i++) {
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hres = jsdisp_propput_name(var_disp, function->func_code->params[i],
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i < cargs ? get_arg(dp,i) : &var_empty, ei);
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if(FAILED(hres))
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return hres;
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}
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return S_OK;
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}
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static HRESULT Arguments_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static const builtin_info_t Arguments_info = {
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JSCLASS_ARGUMENTS,
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{NULL, Arguments_value, 0},
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0, NULL,
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NULL,
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NULL
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};
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static HRESULT create_arguments(script_ctx_t *ctx, IDispatch *calee, DISPPARAMS *dp,
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jsexcept_t *ei, jsdisp_t **ret)
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{
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jsdisp_t *args;
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VARIANT var;
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DWORD i;
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HRESULT hres;
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static const WCHAR caleeW[] = {'c','a','l','l','e','e',0};
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args = heap_alloc_zero(sizeof(jsdisp_t));
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if(!args)
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return E_OUTOFMEMORY;
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hres = init_dispex_from_constr(args, ctx, &Arguments_info, ctx->object_constr);
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if(FAILED(hres)) {
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heap_free(args);
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return hres;
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}
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for(i=0; i < arg_cnt(dp); i++) {
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hres = jsdisp_propput_idx(args, i, get_arg(dp,i), ei);
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if(FAILED(hres))
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break;
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}
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if(SUCCEEDED(hres)) {
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V_VT(&var) = VT_I4;
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V_I4(&var) = arg_cnt(dp);
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hres = jsdisp_propput_name(args, lengthW, &var, ei);
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if(SUCCEEDED(hres)) {
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V_VT(&var) = VT_DISPATCH;
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V_DISPATCH(&var) = calee;
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hres = jsdisp_propput_name(args, caleeW, &var, ei);
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}
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}
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if(FAILED(hres)) {
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jsdisp_release(args);
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return hres;
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}
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*ret = args;
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return S_OK;
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}
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static HRESULT create_var_disp(script_ctx_t *ctx, FunctionInstance *function, jsdisp_t *arg_disp,
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DISPPARAMS *dp, jsexcept_t *ei, jsdisp_t **ret)
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{
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jsdisp_t *var_disp;
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VARIANT var;
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HRESULT hres;
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hres = create_dispex(ctx, NULL, NULL, &var_disp);
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if(FAILED(hres))
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return hres;
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var_set_jsdisp(&var, arg_disp);
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hres = jsdisp_propput_name(var_disp, argumentsW, &var, ei);
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if(SUCCEEDED(hres))
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hres = init_parameters(var_disp, function, dp, ei);
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if(FAILED(hres)) {
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jsdisp_release(var_disp);
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return hres;
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}
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*ret = var_disp;
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return S_OK;
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}
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static HRESULT invoke_source(script_ctx_t *ctx, FunctionInstance *function, IDispatch *this_obj, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei)
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{
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jsdisp_t *var_disp, *arg_disp;
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exec_ctx_t *exec_ctx;
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scope_chain_t *scope;
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HRESULT hres;
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if(!function->func_code) {
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FIXME("no source\n");
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return E_FAIL;
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}
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hres = create_arguments(ctx, to_disp(&function->dispex), dp, ei, &arg_disp);
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if(FAILED(hres))
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return hres;
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hres = create_var_disp(ctx, function, arg_disp, dp, ei, &var_disp);
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if(FAILED(hres)) {
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jsdisp_release(arg_disp);
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return hres;
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}
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hres = scope_push(function->scope_chain, var_disp, &scope);
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if(SUCCEEDED(hres)) {
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hres = create_exec_ctx(ctx, this_obj, var_disp, scope, FALSE, &exec_ctx);
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scope_release(scope);
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}
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jsdisp_release(var_disp);
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if(SUCCEEDED(hres)) {
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jsdisp_t *prev_args;
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prev_args = function->arguments;
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function->arguments = arg_disp;
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hres = exec_source(exec_ctx, function->code, function->func_code, FALSE, ei, retv);
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function->arguments = prev_args;
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jsdisp_release(arg_disp);
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exec_release(exec_ctx);
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}
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return hres;
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}
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static HRESULT invoke_constructor(script_ctx_t *ctx, FunctionInstance *function, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei)
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{
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jsdisp_t *this_obj;
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VARIANT var;
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HRESULT hres;
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hres = create_object(ctx, &function->dispex, &this_obj);
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if(FAILED(hres))
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return hres;
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hres = invoke_source(ctx, function, to_disp(this_obj), dp, &var, ei);
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if(FAILED(hres)) {
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jsdisp_release(this_obj);
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return hres;
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}
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if(V_VT(&var) == VT_DISPATCH) {
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jsdisp_release(this_obj);
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V_VT(retv) = VT_DISPATCH;
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V_DISPATCH(retv) = V_DISPATCH(&var);
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}else {
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VariantClear(&var);
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var_set_jsdisp(retv, this_obj);
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}
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return S_OK;
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}
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static HRESULT invoke_value_proc(script_ctx_t *ctx, FunctionInstance *function, IDispatch *this_disp, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei)
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{
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vdisp_t vthis;
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HRESULT hres;
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if(this_disp)
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set_disp(&vthis, this_disp);
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else if(ctx->host_global)
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set_disp(&vthis, ctx->host_global);
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else
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set_jsdisp(&vthis, ctx->global);
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hres = function->value_proc(ctx, &vthis, flags, dp, retv, ei);
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vdisp_release(&vthis);
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return hres;
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}
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static HRESULT call_function(script_ctx_t *ctx, FunctionInstance *function, IDispatch *this_obj, DISPPARAMS *args,
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VARIANT *retv, jsexcept_t *ei)
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{
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if(function->value_proc)
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return invoke_value_proc(ctx, function, this_obj, DISPATCH_METHOD, args, retv, ei);
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return invoke_source(ctx, function, this_obj, args, retv, ei);
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}
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static HRESULT function_to_string(FunctionInstance *function, BSTR *ret)
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{
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BSTR str;
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static const WCHAR native_prefixW[] = {'\n','f','u','n','c','t','i','o','n',' '};
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static const WCHAR native_suffixW[] =
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{'(',')',' ','{','\n',' ',' ',' ',' ','[','n','a','t','i','v','e',' ','c','o','d','e',']','\n','}','\n'};
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if(function->value_proc) {
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DWORD name_len;
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name_len = strlenW(function->name);
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str = SysAllocStringLen(NULL, sizeof(native_prefixW) + name_len*sizeof(WCHAR) + sizeof(native_suffixW));
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if(!str)
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return E_OUTOFMEMORY;
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memcpy(str, native_prefixW, sizeof(native_prefixW));
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memcpy(str + sizeof(native_prefixW)/sizeof(WCHAR), function->name, name_len*sizeof(WCHAR));
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memcpy(str + sizeof(native_prefixW)/sizeof(WCHAR) + name_len, native_suffixW, sizeof(native_suffixW));
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}else {
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str = SysAllocStringLen(function->func_code->source, function->func_code->source_len);
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if(!str)
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return E_OUTOFMEMORY;
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}
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*ret = str;
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return S_OK;
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}
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static HRESULT Function_length(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei)
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{
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FunctionInstance *This = function_from_vdisp(jsthis);
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TRACE("%p %d\n", This, This->length);
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switch(flags) {
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case DISPATCH_PROPERTYGET:
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V_VT(retv) = VT_I4;
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V_I4(retv) = This->length;
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break;
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default:
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FIXME("unimplemented flags %x\n", flags);
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return E_NOTIMPL;
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}
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return S_OK;
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}
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static HRESULT Function_toString(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei)
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{
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FunctionInstance *function;
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BSTR str;
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HRESULT hres;
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TRACE("\n");
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if(!(function = function_this(jsthis)))
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return throw_type_error(ctx, ei, JS_E_FUNCTION_EXPECTED, NULL);
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hres = function_to_string(function, &str);
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if(FAILED(hres))
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return hres;
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if(retv) {
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V_VT(retv) = VT_BSTR;
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V_BSTR(retv) = str;
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}else {
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SysFreeString(str);
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}
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return S_OK;
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}
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static HRESULT array_to_args(script_ctx_t *ctx, jsdisp_t *arg_array, jsexcept_t *ei, DISPPARAMS *args)
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{
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VARIANT var, *argv;
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DWORD length, i;
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HRESULT hres;
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hres = jsdisp_propget_name(arg_array, lengthW, &var, ei);
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if(FAILED(hres))
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return hres;
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hres = to_uint32(ctx, &var, ei, &length);
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VariantClear(&var);
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if(FAILED(hres))
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return hres;
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argv = heap_alloc(length * sizeof(VARIANT));
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if(!argv)
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return E_OUTOFMEMORY;
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for(i=0; i<length; i++) {
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hres = jsdisp_get_idx(arg_array, i, argv+i, ei);
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if(hres == DISP_E_UNKNOWNNAME)
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V_VT(argv+i) = VT_EMPTY;
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else if(FAILED(hres)) {
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while(i--)
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VariantClear(argv+i);
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heap_free(argv);
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return hres;
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}
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}
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args->cArgs = length;
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args->rgvarg = argv;
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return S_OK;
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}
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static HRESULT Function_apply(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei)
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{
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FunctionInstance *function;
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DISPPARAMS args = {NULL,NULL,0,0};
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DWORD argc, i;
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IDispatch *this_obj = NULL;
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HRESULT hres = S_OK;
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TRACE("\n");
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if(!(function = function_this(jsthis)))
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return throw_type_error(ctx, ei, JS_E_FUNCTION_EXPECTED, NULL);
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argc = arg_cnt(dp);
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if(argc) {
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VARIANT *v = get_arg(dp,0);
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if(V_VT(v) != VT_EMPTY && V_VT(v) != VT_NULL) {
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hres = to_object(ctx, v, &this_obj);
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if(FAILED(hres))
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return hres;
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}
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}
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if(argc >= 2) {
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jsdisp_t *arg_array = NULL;
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if(V_VT(get_arg(dp,1)) == VT_DISPATCH) {
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arg_array = iface_to_jsdisp((IUnknown*)V_DISPATCH(get_arg(dp,1)));
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if(arg_array &&
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(!is_class(arg_array, JSCLASS_ARRAY) && !is_class(arg_array, JSCLASS_ARGUMENTS) )) {
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jsdisp_release(arg_array);
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arg_array = NULL;
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}
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}
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if(arg_array) {
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hres = array_to_args(ctx, arg_array, ei, &args);
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jsdisp_release(arg_array);
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}else {
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FIXME("throw TypeError\n");
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hres = E_FAIL;
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}
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}
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if(SUCCEEDED(hres))
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hres = call_function(ctx, function, this_obj, &args, retv, ei);
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if(this_obj)
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IDispatch_Release(this_obj);
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for(i=0; i<args.cArgs; i++)
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VariantClear(args.rgvarg+i);
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heap_free(args.rgvarg);
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return hres;
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}
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static HRESULT Function_call(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei)
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{
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FunctionInstance *function;
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DISPPARAMS args = {NULL,NULL,0,0};
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IDispatch *this_obj = NULL;
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DWORD argc;
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HRESULT hres;
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TRACE("\n");
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if(!(function = function_this(jsthis)))
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return throw_type_error(ctx, ei, JS_E_FUNCTION_EXPECTED, NULL);
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argc = arg_cnt(dp);
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if(argc) {
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VARIANT *v = get_arg(dp,0);
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if(V_VT(v) != VT_EMPTY && V_VT(v) != VT_NULL) {
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hres = to_object(ctx, v, &this_obj);
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if(FAILED(hres))
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return hres;
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}
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args.cArgs = argc-1;
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}
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if(args.cArgs)
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args.rgvarg = dp->rgvarg + dp->cArgs - args.cArgs-1;
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hres = call_function(ctx, function, this_obj, &args, retv, ei);
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if(this_obj)
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IDispatch_Release(this_obj);
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return hres;
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}
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HRESULT Function_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei)
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{
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FunctionInstance *function;
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TRACE("\n");
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if(!is_vclass(jsthis, JSCLASS_FUNCTION)) {
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ERR("dispex is not a function\n");
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return E_FAIL;
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}
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function = (FunctionInstance*)jsthis->u.jsdisp;
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switch(flags) {
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case DISPATCH_METHOD:
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if(function->value_proc)
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return invoke_value_proc(ctx, function, get_this(dp), flags, dp, retv, ei);
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return invoke_source(ctx, function, get_this(dp), dp, retv, ei);
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case DISPATCH_PROPERTYGET: {
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HRESULT hres;
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BSTR str;
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hres = function_to_string(function, &str);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
V_VT(retv) = VT_BSTR;
|
|
V_BSTR(retv) = str;
|
|
break;
|
|
}
|
|
|
|
case DISPATCH_CONSTRUCT:
|
|
if(function->value_proc)
|
|
return invoke_value_proc(ctx, function, get_this(dp), flags, dp, retv, ei);
|
|
|
|
return invoke_constructor(ctx, function, dp, retv, ei);
|
|
|
|
default:
|
|
FIXME("not implemented flags %x\n", flags);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT Function_arguments(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
|
|
DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
|
|
{
|
|
FunctionInstance *function = (FunctionInstance*)jsthis->u.jsdisp;
|
|
HRESULT hres = S_OK;
|
|
|
|
TRACE("\n");
|
|
|
|
switch(flags) {
|
|
case DISPATCH_PROPERTYGET: {
|
|
if(function->arguments) {
|
|
jsdisp_addref(function->arguments);
|
|
var_set_jsdisp(retv, function->arguments);
|
|
}else {
|
|
V_VT(retv) = VT_NULL;
|
|
}
|
|
break;
|
|
}
|
|
case DISPATCH_PROPERTYPUT:
|
|
break;
|
|
default:
|
|
FIXME("unimplemented flags %x\n", flags);
|
|
hres = E_NOTIMPL;
|
|
}
|
|
|
|
return hres;
|
|
}
|
|
|
|
static void Function_destructor(jsdisp_t *dispex)
|
|
{
|
|
FunctionInstance *This = (FunctionInstance*)dispex;
|
|
|
|
if(This->code)
|
|
release_bytecode(This->code);
|
|
if(This->scope_chain)
|
|
scope_release(This->scope_chain);
|
|
heap_free(This);
|
|
}
|
|
|
|
static const builtin_prop_t Function_props[] = {
|
|
{applyW, Function_apply, PROPF_METHOD|2},
|
|
{argumentsW, Function_arguments, 0},
|
|
{callW, Function_call, PROPF_METHOD|1},
|
|
{lengthW, Function_length, 0},
|
|
{toStringW, Function_toString, PROPF_METHOD}
|
|
};
|
|
|
|
static const builtin_info_t Function_info = {
|
|
JSCLASS_FUNCTION,
|
|
{NULL, Function_value, 0},
|
|
sizeof(Function_props)/sizeof(*Function_props),
|
|
Function_props,
|
|
Function_destructor,
|
|
NULL
|
|
};
|
|
|
|
static HRESULT create_function(script_ctx_t *ctx, const builtin_info_t *builtin_info, DWORD flags,
|
|
BOOL funcprot, jsdisp_t *prototype, FunctionInstance **ret)
|
|
{
|
|
FunctionInstance *function;
|
|
HRESULT hres;
|
|
|
|
function = heap_alloc_zero(sizeof(FunctionInstance));
|
|
if(!function)
|
|
return E_OUTOFMEMORY;
|
|
|
|
if(funcprot)
|
|
hres = init_dispex(&function->dispex, ctx, &Function_info, prototype);
|
|
else if(builtin_info)
|
|
hres = init_dispex_from_constr(&function->dispex, ctx, builtin_info, ctx->function_constr);
|
|
else
|
|
hres = init_dispex_from_constr(&function->dispex, ctx, &Function_info, ctx->function_constr);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
function->flags = flags;
|
|
function->length = flags & PROPF_ARGMASK;
|
|
|
|
*ret = function;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT set_prototype(script_ctx_t *ctx, jsdisp_t *dispex, jsdisp_t *prototype)
|
|
{
|
|
jsexcept_t jsexcept;
|
|
VARIANT var;
|
|
|
|
var_set_jsdisp(&var, prototype);
|
|
memset(&jsexcept, 0, sizeof(jsexcept));
|
|
|
|
return jsdisp_propput_name(dispex, prototypeW, &var, &jsexcept);
|
|
}
|
|
|
|
HRESULT create_builtin_function(script_ctx_t *ctx, builtin_invoke_t value_proc, const WCHAR *name,
|
|
const builtin_info_t *builtin_info, DWORD flags, jsdisp_t *prototype, jsdisp_t **ret)
|
|
{
|
|
FunctionInstance *function;
|
|
HRESULT hres;
|
|
|
|
hres = create_function(ctx, builtin_info, flags, FALSE, NULL, &function);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
if(builtin_info) {
|
|
VARIANT var;
|
|
|
|
V_VT(&var) = VT_I4;
|
|
V_I4(&var) = function->length;
|
|
hres = jsdisp_propput_const(&function->dispex, lengthW, &var);
|
|
}
|
|
|
|
if(SUCCEEDED(hres))
|
|
hres = set_prototype(ctx, &function->dispex, prototype);
|
|
if(FAILED(hres)) {
|
|
jsdisp_release(&function->dispex);
|
|
return hres;
|
|
}
|
|
|
|
function->value_proc = value_proc;
|
|
function->name = name;
|
|
|
|
*ret = &function->dispex;
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT create_source_function(script_ctx_t *ctx, bytecode_t *code, function_code_t *func_code,
|
|
scope_chain_t *scope_chain, jsdisp_t **ret)
|
|
{
|
|
FunctionInstance *function;
|
|
jsdisp_t *prototype;
|
|
HRESULT hres;
|
|
|
|
hres = create_object(ctx, NULL, &prototype);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
hres = create_function(ctx, NULL, PROPF_CONSTR, FALSE, NULL, &function);
|
|
if(SUCCEEDED(hres)) {
|
|
hres = set_prototype(ctx, &function->dispex, prototype);
|
|
if(FAILED(hres))
|
|
jsdisp_release(&function->dispex);
|
|
}
|
|
jsdisp_release(prototype);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
if(scope_chain) {
|
|
scope_addref(scope_chain);
|
|
function->scope_chain = scope_chain;
|
|
}
|
|
|
|
bytecode_addref(code);
|
|
function->code = code;
|
|
function->func_code = func_code;
|
|
function->length = function->func_code->param_cnt;
|
|
|
|
*ret = &function->dispex;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT construct_function(script_ctx_t *ctx, DISPPARAMS *dp, jsexcept_t *ei, IDispatch **ret)
|
|
{
|
|
WCHAR *str = NULL, *ptr;
|
|
DWORD argc, len = 0, l;
|
|
bytecode_t *code;
|
|
jsdisp_t *function;
|
|
BSTR *params = NULL;
|
|
int i=0, j=0;
|
|
HRESULT hres = S_OK;
|
|
|
|
static const WCHAR function_anonymousW[] = {'f','u','n','c','t','i','o','n',' ','a','n','o','n','y','m','o','u','s','('};
|
|
static const WCHAR function_beginW[] = {')',' ','{','\n'};
|
|
static const WCHAR function_endW[] = {'\n','}',0};
|
|
|
|
argc = arg_cnt(dp);
|
|
if(argc) {
|
|
params = heap_alloc(argc*sizeof(BSTR));
|
|
if(!params)
|
|
return E_OUTOFMEMORY;
|
|
|
|
if(argc > 2)
|
|
len = (argc-2)*2; /* separating commas */
|
|
for(i=0; i < argc; i++) {
|
|
hres = to_string(ctx, get_arg(dp,i), ei, params+i);
|
|
if(FAILED(hres))
|
|
break;
|
|
len += SysStringLen(params[i]);
|
|
}
|
|
}
|
|
|
|
if(SUCCEEDED(hres)) {
|
|
len += (sizeof(function_anonymousW) + sizeof(function_beginW) + sizeof(function_endW)) / sizeof(WCHAR);
|
|
str = heap_alloc(len*sizeof(WCHAR));
|
|
if(str) {
|
|
memcpy(str, function_anonymousW, sizeof(function_anonymousW));
|
|
ptr = str + sizeof(function_anonymousW)/sizeof(WCHAR);
|
|
if(argc > 1) {
|
|
while(1) {
|
|
l = SysStringLen(params[j]);
|
|
memcpy(ptr, params[j], l*sizeof(WCHAR));
|
|
ptr += l;
|
|
if(++j == argc-1)
|
|
break;
|
|
*ptr++ = ',';
|
|
*ptr++ = ' ';
|
|
}
|
|
}
|
|
memcpy(ptr, function_beginW, sizeof(function_beginW));
|
|
ptr += sizeof(function_beginW)/sizeof(WCHAR);
|
|
if(argc) {
|
|
l = SysStringLen(params[argc-1]);
|
|
memcpy(ptr, params[argc-1], l*sizeof(WCHAR));
|
|
ptr += l;
|
|
}
|
|
memcpy(ptr, function_endW, sizeof(function_endW));
|
|
|
|
TRACE("%s\n", debugstr_w(str));
|
|
}else {
|
|
hres = E_OUTOFMEMORY;
|
|
}
|
|
}
|
|
|
|
while(--i >= 0)
|
|
SysFreeString(params[i]);
|
|
heap_free(params);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
hres = compile_script(ctx, str, NULL, FALSE, FALSE, &code);
|
|
heap_free(str);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
if(code->global_code.func_cnt != 1 || code->global_code.var_cnt) {
|
|
ERR("Invalid parser result!\n");
|
|
release_bytecode(code);
|
|
return E_UNEXPECTED;
|
|
}
|
|
|
|
hres = create_source_function(ctx, code, code->global_code.funcs, NULL, &function);
|
|
release_bytecode(code);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
*ret = to_disp(function);
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT FunctionConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
|
|
VARIANT *retv, jsexcept_t *ei)
|
|
{
|
|
HRESULT hres;
|
|
|
|
TRACE("\n");
|
|
|
|
switch(flags) {
|
|
case DISPATCH_CONSTRUCT: {
|
|
IDispatch *ret;
|
|
|
|
hres = construct_function(ctx, dp, ei, &ret);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
V_VT(retv) = VT_DISPATCH;
|
|
V_DISPATCH(retv) = ret;
|
|
break;
|
|
}
|
|
default:
|
|
FIXME("unimplemented flags %x\n", flags);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT FunctionProt_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
|
|
VARIANT *retv, jsexcept_t *ei)
|
|
{
|
|
FIXME("\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
HRESULT init_function_constr(script_ctx_t *ctx, jsdisp_t *object_prototype)
|
|
{
|
|
FunctionInstance *prot, *constr;
|
|
HRESULT hres;
|
|
|
|
static const WCHAR FunctionW[] = {'F','u','n','c','t','i','o','n',0};
|
|
|
|
hres = create_function(ctx, NULL, PROPF_CONSTR, TRUE, object_prototype, &prot);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
prot->value_proc = FunctionProt_value;
|
|
prot->name = prototypeW;
|
|
|
|
hres = create_function(ctx, NULL, PROPF_CONSTR|1, TRUE, &prot->dispex, &constr);
|
|
if(SUCCEEDED(hres)) {
|
|
constr->value_proc = FunctionConstr_value;
|
|
constr->name = FunctionW;
|
|
hres = set_prototype(ctx, &constr->dispex, &prot->dispex);
|
|
if(FAILED(hres))
|
|
jsdisp_release(&constr->dispex);
|
|
}
|
|
jsdisp_release(&prot->dispex);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
ctx->function_constr = &constr->dispex;
|
|
return S_OK;
|
|
}
|