text: /*
   * Copyright 2008 Jacek Caban for CodeWeavers
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
   */
  
  #include <assert.h>
  
  #include "jscript.h"
  
  #include "wine/debug.h"
  
  WINE_DEFAULT_DEBUG_CHANNEL(jscript);
  
  static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
  static const WCHAR toLocaleStringW[] = {'t','o','L','o','c','a','l','e','S','t','r','i','n','g',0};
  static const WCHAR valueOfW[] = {'v','a','l','u','e','O','f',0};
  static const WCHAR hasOwnPropertyW[] = {'h','a','s','O','w','n','P','r','o','p','e','r','t','y',0};
  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};
  static const WCHAR isPrototypeOfW[] = {'i','s','P','r','o','t','o','t','y','p','e','O','f',0};
  
  static const WCHAR getOwnPropertyDescriptorW[] =
      {'g','e','t','O','w','n','P','r','o','p','e','r','t','y','D','e','s','c','r','i','p','t','o','r',0};
  static const WCHAR definePropertyW[] = {'d','e','f','i','n','e','P','r','o','p','e','r','t','y',0};
  
  static const WCHAR definePropertiesW[] = {'d','e','f','i','n','e','P','r','o','p','e','r','t','i','e','s',0};
  
  static const WCHAR default_valueW[] = {'[','o','b','j','e','c','t',' ','O','b','j','e','c','t',']',0};
  
  static const WCHAR configurableW[] = {'c','o','n','f','i','g','u','r','a','b','l','e',0};
  static const WCHAR enumerableW[] = {'e','n','u','m','e','r','a','b','l','e',0};
  static const WCHAR valueW[] = {'v','a','l','u','e',0};
  static const WCHAR writableW[] = {'w','r','i','t','a','b','l','e',0};
  static const WCHAR getW[] = {'g','e','t',0};
  static const WCHAR setW[] = {'s','e','t',0};
  
  static HRESULT Object_toString(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
          jsval_t *r)
  {
      jsdisp_t *jsdisp;
      const WCHAR *str;
  
      static const WCHAR formatW[] = {'[','o','b','j','e','c','t',' ','%','s',']',0};
  
      static const WCHAR arrayW[] = {'A','r','r','a','y',0};
      static const WCHAR booleanW[] = {'B','o','o','l','e','a','n',0};
      static const WCHAR dateW[] = {'D','a','t','e',0};
      static const WCHAR errorW[] = {'E','r','r','o','r',0};
      static const WCHAR functionW[] = {'F','u','n','c','t','i','o','n',0};
      static const WCHAR mathW[] = {'M','a','t','h',0};
      static const WCHAR numberW[] = {'N','u','m','b','e','r',0};
      static const WCHAR objectW[] = {'O','b','j','e','c','t',0};
      static const WCHAR regexpW[] = {'R','e','g','E','x','p',0};
      static const WCHAR stringW[] = {'S','t','r','i','n','g',0};
      /* Keep in sync with jsclass_t enum */
      static const WCHAR *names[] = {NULL, arrayW, booleanW, dateW, errorW,
          functionW, NULL, mathW, numberW, objectW, regexpW, stringW, objectW, objectW, objectW};
  
      TRACE("\n");
  
      jsdisp = get_jsdisp(jsthis);
      if(!jsdisp) {
          str = objectW;
      }else if(names[jsdisp->builtin_info->class]) {
          str = names[jsdisp->builtin_info->class];
      }else {
          assert(jsdisp->builtin_info->class != JSCLASS_NONE);
          FIXME("jdisp->builtin_info->class = %d\n", jsdisp->builtin_info->class);
          return E_FAIL;
      }
  
      if(r) {
          jsstr_t *ret;
          WCHAR *ptr;
  
          ret = jsstr_alloc_buf(9+strlenW(str), &ptr);
          if(!ret)
              return E_OUTOFMEMORY;
  
          sprintfW(ptr, formatW, str);
          *r = jsval_string(ret);
      }
  
      return S_OK;
  }
  
  static HRESULT Object_toLocaleString(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
          jsval_t *r)
  {
      TRACE("\n");
  
      if(!is_jsdisp(jsthis)) {
          FIXME("Host object this\n");
          return E_FAIL;
      }
  
      return jsdisp_call_name(jsthis->u.jsdisp, toStringW, DISPATCH_METHOD, 0, NULL, r);
  }
  
  static HRESULT Object_valueOf(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
          jsval_t *r)
  {
      TRACE("\n");
  
      if(r) {
          IDispatch_AddRef(jsthis->u.disp);
          *r = jsval_disp(jsthis->u.disp);
      }
      return S_OK;
  }
  
  static HRESULT Object_hasOwnProperty(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
          jsval_t *r)
  {
      jsstr_t *name;
      DISPID id;
      BSTR bstr;
      HRESULT hres;
  
      TRACE("\n");
  
      if(!argc) {
          if(r)
              *r = jsval_bool(FALSE);
          return S_OK;
      }
  
      hres = to_string(ctx, argv[0], &name);
      if(FAILED(hres))
          return hres;
  
      if(is_jsdisp(jsthis)) {
          property_desc_t prop_desc;
          const WCHAR *name_str;
  
          name_str = jsstr_flatten(name);
          if(!name_str) {
              jsstr_release(name);
              return E_OUTOFMEMORY;
          }
  
          hres = jsdisp_get_own_property(jsthis->u.jsdisp, name_str, TRUE, &prop_desc);
          jsstr_release(name);
          if(FAILED(hres) && hres != DISP_E_UNKNOWNNAME)
              return hres;
  
          if(r) *r = jsval_bool(hres == S_OK);
          return S_OK;
      }
  
  
      bstr = SysAllocStringLen(NULL, jsstr_length(name));
      if(bstr)
          jsstr_flush(name, bstr);
      jsstr_release(name);
      if(!bstr)
          return E_OUTOFMEMORY;
  
      if(is_dispex(jsthis))
          hres = IDispatchEx_GetDispID(jsthis->u.dispex, bstr, make_grfdex(ctx, fdexNameCaseSensitive), &id);
      else
          hres = IDispatch_GetIDsOfNames(jsthis->u.disp, &IID_NULL, &bstr, 1, ctx->lcid, &id);
  
      SysFreeString(bstr);
      if(r)
          *r = jsval_bool(SUCCEEDED(hres));
      return S_OK;
  }
  
  static HRESULT Object_propertyIsEnumerable(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
          jsval_t *r)
  {
      property_desc_t prop_desc;
      const WCHAR *name;
      jsstr_t *name_str;
      HRESULT hres;
  
      TRACE("\n");
  
      if(argc != 1) {
          FIXME("argc %d not supported\n", argc);
          return E_NOTIMPL;
      }
  
      if(!is_jsdisp(jsthis)) {
          FIXME("Host object this\n");
          return E_FAIL;
      }
  
      hres = to_flat_string(ctx, argv[0], &name_str, &name);
      if(FAILED(hres))
          return hres;
  
      hres = jsdisp_get_own_property(jsthis->u.jsdisp, name, TRUE, &prop_desc);
      jsstr_release(name_str);
      if(FAILED(hres) && hres != DISP_E_UNKNOWNNAME)
          return hres;
  
      if(r)
          *r = jsval_bool(hres == S_OK && (prop_desc.flags & PROPF_ENUMERABLE) != 0);
      return S_OK;
  }
  
  static HRESULT Object_isPrototypeOf(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
          jsval_t *r)
  {
      FIXME("\n");
      return E_NOTIMPL;
  }
  
  static HRESULT Object_get_value(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
  {
      jsstr_t *ret;
  
      TRACE("\n");
  
      ret = jsstr_alloc(default_valueW);
      if(!ret)
          return E_OUTOFMEMORY;
  
      *r = jsval_string(ret);
      return S_OK;
  }
  
  static void Object_destructor(jsdisp_t *dispex)
  {
      heap_free(dispex);
  }
  
  static const builtin_prop_t Object_props[] = {
      {hasOwnPropertyW,        Object_hasOwnProperty,        PROPF_METHOD|1},
      {isPrototypeOfW,         Object_isPrototypeOf,         PROPF_METHOD|1},
      {propertyIsEnumerableW,  Object_propertyIsEnumerable,  PROPF_METHOD|1},
      {toLocaleStringW,        Object_toLocaleString,        PROPF_METHOD},
      {toStringW,              Object_toString,              PROPF_METHOD},
      {valueOfW,               Object_valueOf,               PROPF_METHOD}
  };
  
  static const builtin_info_t Object_info = {
      JSCLASS_OBJECT,
      {NULL, NULL,0, Object_get_value},
      sizeof(Object_props)/sizeof(*Object_props),
      Object_props,
      Object_destructor,
      NULL
  };
  
  static const builtin_info_t ObjectInst_info = {
      JSCLASS_OBJECT,
      {NULL, NULL,0, Object_get_value},
      0, NULL,
      Object_destructor,
      NULL
  };
  
  static void release_property_descriptor(property_desc_t *desc)
  {
      if(desc->explicit_value)
          jsval_release(desc->value);
      if(desc->getter)
          jsdisp_release(desc->getter);
      if(desc->setter)
          jsdisp_release(desc->setter);
  }
  
  static HRESULT to_property_descriptor(script_ctx_t *ctx, jsdisp_t *attr_obj, property_desc_t *desc)
  {
      DISPID id;
      jsval_t v;
      BOOL b;
      HRESULT hres;
  
      memset(desc, 0, sizeof(*desc));
      desc->value = jsval_undefined();
  
      hres = jsdisp_get_id(attr_obj, enumerableW, 0, &id);
      if(SUCCEEDED(hres)) {
          desc->mask |= PROPF_ENUMERABLE;
          hres = jsdisp_propget(attr_obj, id, &v);
          if(FAILED(hres))
              return hres;
          hres = to_boolean(v, &b);
          jsval_release(v);
          if(FAILED(hres))
              return hres;
          if(b)
              desc->flags |= PROPF_ENUMERABLE;
      }else if(hres != DISP_E_UNKNOWNNAME) {
          return hres;
      }
  
      hres = jsdisp_get_id(attr_obj, configurableW, 0, &id);
      if(SUCCEEDED(hres)) {
          desc->mask |= PROPF_CONFIGURABLE;
          hres = jsdisp_propget(attr_obj, id, &v);
          if(FAILED(hres))
              return hres;
          hres = to_boolean(v, &b);
          jsval_release(v);
          if(FAILED(hres))
              return hres;
          if(b)
              desc->flags |= PROPF_CONFIGURABLE;
      }else if(hres != DISP_E_UNKNOWNNAME) {
          return hres;
      }
  
      hres = jsdisp_get_id(attr_obj, valueW, 0, &id);
      if(SUCCEEDED(hres)) {
          hres = jsdisp_propget(attr_obj, id, &desc->value);
          if(FAILED(hres))
              return hres;
          desc->explicit_value = TRUE;
      }else if(hres != DISP_E_UNKNOWNNAME) {
          return hres;
      }
  
      hres = jsdisp_get_id(attr_obj, writableW, 0, &id);
      if(SUCCEEDED(hres)) {
          desc->mask |= PROPF_WRITABLE;
          hres = jsdisp_propget(attr_obj, id, &v);
          if(SUCCEEDED(hres)) {
              hres = to_boolean(v, &b);
              jsval_release(v);
              if(SUCCEEDED(hres) && b)
                  desc->flags |= PROPF_WRITABLE;
          }
      }else if(hres == DISP_E_UNKNOWNNAME) {
          hres = S_OK;
      }
      if(FAILED(hres)) {
          release_property_descriptor(desc);
          return hres;
      }
  
      hres = jsdisp_get_id(attr_obj, getW, 0, &id);
      if(SUCCEEDED(hres)) {
          desc->explicit_getter = TRUE;
          hres = jsdisp_propget(attr_obj, id, &v);
          if(SUCCEEDED(hres) && !is_undefined(v)) {
              if(!is_object_instance(v)) {
                  FIXME("getter is not an object\n");
                  jsval_release(v);
                  hres = E_FAIL;
              }else {
                  /* FIXME: Check IsCallable */
                  desc->getter = to_jsdisp(get_object(v));
                  if(!desc->getter)
                      FIXME("getter is not JS object\n");
              }
          }
      }else if(hres == DISP_E_UNKNOWNNAME) {
          hres = S_OK;
      }
      if(FAILED(hres)) {
          release_property_descriptor(desc);
          return hres;
      }
  
      hres = jsdisp_get_id(attr_obj, setW, 0, &id);
      if(SUCCEEDED(hres)) {
          desc->explicit_setter = TRUE;
          hres = jsdisp_propget(attr_obj, id, &v);
          if(SUCCEEDED(hres) && !is_undefined(v)) {
              if(!is_object_instance(v)) {
                  FIXME("setter is not an object\n");
                  jsval_release(v);
                  hres = E_FAIL;
              }else {
                  /* FIXME: Check IsCallable */
                  desc->setter = to_jsdisp(get_object(v));
                  if(!desc->setter)
                      FIXME("setter is not JS object\n");
              }
          }
      }else if(hres == DISP_E_UNKNOWNNAME) {
          hres = S_OK;
      }
      if(FAILED(hres)) {
          release_property_descriptor(desc);
          return hres;
      }
  
      if(desc->explicit_getter || desc->explicit_setter) {
          if(desc->explicit_value)
              hres = throw_type_error(ctx, JS_E_PROP_DESC_MISMATCH, NULL);
          else if(desc->mask & PROPF_WRITABLE)
              hres = throw_type_error(ctx, JS_E_INVALID_WRITABLE_PROP_DESC, NULL);
      }
  
      if(FAILED(hres))
          release_property_descriptor(desc);
      return hres;
  }
  
  static HRESULT Object_defineProperty(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
                                       unsigned argc, jsval_t *argv, jsval_t *r)
  {
      property_desc_t prop_desc;
      jsdisp_t *obj, *attr_obj;
      const WCHAR *name;
      jsstr_t *name_str;
      HRESULT hres;
  
      TRACE("\n");
  
      if(argc < 1 || !is_object_instance(argv[0]))
          return throw_type_error(ctx, JS_E_OBJECT_EXPECTED, NULL);
      obj = to_jsdisp(get_object(argv[0]));
      if(!obj) {
          FIXME("not implemented non-JS object\n");
          return E_NOTIMPL;
      }
  
      hres = to_flat_string(ctx, argc >= 2 ? argv[1] : jsval_undefined(), &name_str, &name);
      if(FAILED(hres))
          return hres;
  
      if(argc >= 3 && is_object_instance(argv[2])) {
          attr_obj = to_jsdisp(get_object(argv[2]));
          if(attr_obj) {
              hres = to_property_descriptor(ctx, attr_obj, &prop_desc);
          }else {
              FIXME("not implemented non-JS object\n");
              hres = E_NOTIMPL;
          }
      }else {
          hres = throw_type_error(ctx, JS_E_OBJECT_EXPECTED, NULL);
      }
      jsstr_release(name_str);
      if(FAILED(hres))
          return hres;
  
      hres = jsdisp_define_property(obj, name, &prop_desc);
      release_property_descriptor(&prop_desc);
      return hres;
  }
  
  static HRESULT Object_defineProperties(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
                                       unsigned argc, jsval_t *argv, jsval_t *r)
  {
      FIXME("\n");
      return E_NOTIMPL;
  }
  
  static HRESULT Object_getOwnPropertyDescriptor(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
                                                 unsigned argc, jsval_t *argv, jsval_t *r)
  {
      property_desc_t prop_desc;
      jsdisp_t *obj, *desc_obj;
      const WCHAR *name;
      jsstr_t *name_str;
      HRESULT hres;
  
      TRACE("\n");
  
      if(argc < 1 || !is_object_instance(argv[0]))
          return throw_type_error(ctx, JS_E_OBJECT_EXPECTED, NULL);
      obj = to_jsdisp(get_object(argv[0]));
      if(!obj) {
          FIXME("not implemented non-JS object\n");
          return E_NOTIMPL;
      }
  
      hres = to_flat_string(ctx, argc >= 2 ? argv[1] : jsval_undefined(), &name_str, &name);
      if(FAILED(hres))
          return hres;
  
      hres = jsdisp_get_own_property(obj, name, FALSE, &prop_desc);
      jsstr_release(name_str);
      if(hres == DISP_E_UNKNOWNNAME) {
          if(r) *r = jsval_undefined();
          return S_OK;
      }
      if(FAILED(hres))
          return hres;
  
      hres = create_object(ctx, NULL, &desc_obj);
      if(FAILED(hres))
          return hres;
  
      if(prop_desc.explicit_getter || prop_desc.explicit_setter) {
          hres = jsdisp_propput_name(desc_obj, getW, prop_desc.getter
                                     ? jsval_obj(prop_desc.getter) : jsval_undefined());
          if(SUCCEEDED(hres))
              hres = jsdisp_propput_name(desc_obj, setW, prop_desc.setter
                                         ? jsval_obj(prop_desc.setter) : jsval_undefined());
      }else {
          hres = jsdisp_propput_name(desc_obj, valueW, prop_desc.value);
          if(SUCCEEDED(hres))
              hres = jsdisp_propput_name(desc_obj, writableW,
                                         jsval_bool(!!(prop_desc.flags & PROPF_WRITABLE)));
      }
      if(SUCCEEDED(hres))
          hres = jsdisp_propput_name(desc_obj, enumerableW,
                                     jsval_bool(!!(prop_desc.flags & PROPF_ENUMERABLE)));
      if(SUCCEEDED(hres))
          hres = jsdisp_propput_name(desc_obj, configurableW,
                                     jsval_bool(!!(prop_desc.flags & PROPF_CONFIGURABLE)));
  
      release_property_descriptor(&prop_desc);
      if(SUCCEEDED(hres) && r)
          *r = jsval_obj(desc_obj);
      else
          jsdisp_release(desc_obj);
      return hres;
  }
  
  static const builtin_prop_t ObjectConstr_props[] = {
      {definePropertiesW,         Object_defineProperties,            PROPF_ES5|PROPF_METHOD|2},
      {definePropertyW,           Object_defineProperty,              PROPF_ES5|PROPF_METHOD|2},
      {getOwnPropertyDescriptorW, Object_getOwnPropertyDescriptor,    PROPF_ES5|PROPF_METHOD|2}
  };
  
  static const builtin_info_t ObjectConstr_info = {
      JSCLASS_FUNCTION,
      DEFAULT_FUNCTION_VALUE,
      sizeof(ObjectConstr_props)/sizeof(*ObjectConstr_props),
      ObjectConstr_props,
      NULL,
      NULL
  };
  
  static HRESULT ObjectConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
          jsval_t *r)
  {
      HRESULT hres;
  
      TRACE("\n");
  
      switch(flags) {
      case DISPATCH_METHOD:
      case DISPATCH_CONSTRUCT: {
          jsdisp_t *obj;
  
          if(argc) {
              if(!is_undefined(argv[0]) && !is_null(argv[0]) && (!is_object_instance(argv[0]) || get_object(argv[0]))) {
                  IDispatch *disp;
  
                  hres = to_object(ctx, argv[0], &disp);
                  if(FAILED(hres))
                      return hres;
  
                  if(r)
                      *r = jsval_disp(disp);
                  else
                      IDispatch_Release(disp);
                  return S_OK;
              }
          }
  
          hres = create_object(ctx, NULL, &obj);
          if(FAILED(hres))
              return hres;
  
          if(r)
              *r = jsval_obj(obj);
          else
              jsdisp_release(obj);
          break;
      }
  
      default:
          FIXME("unimplemented flags: %x\n", flags);
          return E_NOTIMPL;
      }
  
      return S_OK;
  }
  
  HRESULT create_object_constr(script_ctx_t *ctx, jsdisp_t *object_prototype, jsdisp_t **ret)
  {
      static const WCHAR ObjectW[] = {'O','b','j','e','c','t',0};
  
      return create_builtin_constructor(ctx, ObjectConstr_value, ObjectW, &ObjectConstr_info, PROPF_CONSTR,
              object_prototype, ret);
  }
  
  HRESULT create_object_prototype(script_ctx_t *ctx, jsdisp_t **ret)
  {
      return create_dispex(ctx, &Object_info, NULL, ret);
  }
  
  HRESULT create_object(script_ctx_t *ctx, jsdisp_t *constr, jsdisp_t **ret)
  {
      jsdisp_t *object;
      HRESULT hres;
  
      object = heap_alloc_zero(sizeof(jsdisp_t));
      if(!object)
          return E_OUTOFMEMORY;
  
      hres = init_dispex_from_constr(object, ctx, &ObjectInst_info, constr ? constr : ctx->object_constr);
      if(FAILED(hres)) {
          heap_free(object);
          return hres;
      }
  
      *ret = object;
      return S_OK;
  }
  