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jscript: Added support for DontDelete attribute and use it for arguments object.

This commit is contained in:
Jacek Caban 2012-11-30 13:02:32 +01:00 committed by Alexandre Julliard
parent 466fae6444
commit d9d8c8b716
4 changed files with 36 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
dlls/jscript/dispex.c
View File

@ -740,8 +740,15 @@ static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lc
return hres;
}
static HRESULT delete_prop(dispex_prop_t *prop)
static HRESULT delete_prop(dispex_prop_t *prop, BOOL *ret)
{
if(prop->flags & PROPF_DONTDELETE) {
*ret = FALSE;
return S_OK;
}
*ret = TRUE; /* FIXME: not exactly right */
if(prop->type == PROP_JSVAL) {
jsval_release(prop->u.val);
prop->type = PROP_DELETED;
@ -753,6 +760,7 @@ static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bst
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
dispex_prop_t *prop;
BOOL b;
HRESULT hres;
TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
@ -768,13 +776,14 @@ static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bst
return S_OK;
}
return delete_prop(prop);
return delete_prop(prop, &b);
}
static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
dispex_prop_t *prop;
BOOL b;
TRACE("(%p)->(%x)\n", This, id);
@ -784,7 +793,7 @@ static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID
return DISP_E_MEMBERNOTFOUND;
}
return delete_prop(prop);
return delete_prop(prop, &b);
}
static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
@ -1266,18 +1275,23 @@ HRESULT disp_call_value(script_ctx_t *ctx, IDispatch *disp, IDispatch *jsthis, W
return hres;
}
HRESULT jsdisp_propput_name(jsdisp_t *obj, const WCHAR *name, jsval_t val)
HRESULT jsdisp_propput(jsdisp_t *obj, const WCHAR *name, DWORD flags, jsval_t val)
{
dispex_prop_t *prop;
HRESULT hres;
hres = ensure_prop_name(obj, name, FALSE, PROPF_ENUM, &prop);
hres = ensure_prop_name(obj, name, FALSE, flags, &prop);
if(FAILED(hres))
return hres;
return prop_put(obj, prop, val, NULL);
}
HRESULT jsdisp_propput_name(jsdisp_t *obj, const WCHAR *name, jsval_t val)
{
return jsdisp_propput(obj, name, PROPF_ENUM, val);
}
HRESULT jsdisp_propput_const(jsdisp_t *obj, const WCHAR *name, jsval_t val)
{
dispex_prop_t *prop;
@ -1292,14 +1306,7 @@ HRESULT jsdisp_propput_const(jsdisp_t *obj, const WCHAR *name, jsval_t val)
HRESULT jsdisp_propput_dontenum(jsdisp_t *obj, const WCHAR *name, jsval_t val)
{
dispex_prop_t *prop;
HRESULT hres;
hres = ensure_prop_name(obj, name, FALSE, 0, &prop);
if(FAILED(hres))
return hres;
return prop_put(obj, prop, val, NULL);
return jsdisp_propput(obj, name, 0, val);
}
HRESULT jsdisp_propput_idx(jsdisp_t *obj, DWORD idx, jsval_t val)
@ -1451,6 +1458,7 @@ HRESULT jsdisp_delete_idx(jsdisp_t *obj, DWORD idx)
static const WCHAR formatW[] = {'%','d',0};
WCHAR buf[12];
dispex_prop_t *prop;
BOOL b;
HRESULT hres;
sprintfW(buf, formatW, idx);
@ -1459,7 +1467,7 @@ HRESULT jsdisp_delete_idx(jsdisp_t *obj, DWORD idx)
if(FAILED(hres) || !prop)
return hres;
return delete_prop(prop);
return delete_prop(prop, &b);
}
HRESULT disp_delete(IDispatch *disp, DISPID id, BOOL *ret)
@ -1472,10 +1480,9 @@ HRESULT disp_delete(IDispatch *disp, DISPID id, BOOL *ret)
if(jsdisp) {
dispex_prop_t *prop;
*ret = TRUE;
prop = get_prop(jsdisp, id);
if(prop)
hres = delete_prop(prop);
hres = delete_prop(prop, ret);
else
hres = DISP_E_MEMBERNOTFOUND;
@ -1508,10 +1515,9 @@ HRESULT disp_delete_name(script_ctx_t *ctx, IDispatch *disp, jsstr_t *name, BOOL
if(jsdisp) {
dispex_prop_t *prop;
*ret = TRUE;
hres = find_prop_name(jsdisp, string_hash(name->str), name->str, &prop);
if(prop)
hres = delete_prop(prop);
hres = delete_prop(prop, ret);
else
hres = DISP_E_MEMBERNOTFOUND;

2
dlls/jscript/function.c
View File

@ -220,7 +220,7 @@ static HRESULT invoke_source(script_ctx_t *ctx, FunctionInstance *function, IDis
return hres;
}
hres = jsdisp_propput_name(var_disp, argumentsW, jsval_obj(arg_disp));
hres = jsdisp_propput(var_disp, argumentsW, PROPF_DONTDELETE, jsval_obj(arg_disp));
if(SUCCEEDED(hres)) {
hres = scope_push(function->scope_chain, var_disp, to_disp(var_disp), &scope);
if(SUCCEEDED(hres)) {

2
dlls/jscript/jscript.h
View File

@ -100,6 +100,7 @@ extern HINSTANCE jscript_hinstance DECLSPEC_HIDDEN;
#define PROPF_ENUM 0x0200
#define PROPF_CONSTR 0x0400
#define PROPF_CONST 0x0800
#define PROPF_DONTDELETE 0x1000
/* NOTE: Keep in sync with names in Object.toString implementation */
typedef enum {
@ -268,6 +269,7 @@ HRESULT jsdisp_call_name(jsdisp_t*,const WCHAR*,WORD,unsigned,jsval_t*,jsval_t*)
HRESULT disp_propget(script_ctx_t*,IDispatch*,DISPID,jsval_t*) DECLSPEC_HIDDEN;
HRESULT disp_propput(script_ctx_t*,IDispatch*,DISPID,jsval_t) DECLSPEC_HIDDEN;
HRESULT jsdisp_propget(jsdisp_t*,DISPID,jsval_t*) DECLSPEC_HIDDEN;
HRESULT jsdisp_propput(jsdisp_t*,const WCHAR*,DWORD,jsval_t) DECLSPEC_HIDDEN;
HRESULT jsdisp_propput_name(jsdisp_t*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;
HRESULT jsdisp_propput_const(jsdisp_t*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;
HRESULT jsdisp_propput_dontenum(jsdisp_t*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;

4
dlls/jscript/tests/lang.js
View File

@ -86,6 +86,10 @@ function testFunc1(x, y) {
ok(this === test, "this !== test");
eval('ok(this === test, "this !== test");');
tmp = delete arguments;
ok(tmp === false, "arguments deleted");
ok(typeof(arguments) === "object", "typeof(arguments) = " + typeof(arguments));
return true;
}