[PATCH 8/9] jscript: Pass jsval "this" to function calls instead of a dispatch.

Jacek Caban jacek at codeweavers.com
Fri Dec 3 09:04:13 CST 2021


On 12/3/21 2:57 PM, Gabriel Ivăncescu wrote:
> Signed-off-by: Gabriel Ivăncescu <gabrielopcode at gmail.com>
> ---
>   dlls/jscript/function.c | 57 ++++++++++++++++++++++-------------------
>   1 file changed, 31 insertions(+), 26 deletions(-)
>
> diff --git a/dlls/jscript/function.c b/dlls/jscript/function.c
> index 43f2441..80b8d9c 100644
> --- a/dlls/jscript/function.c
> +++ b/dlls/jscript/function.c
> @@ -35,7 +35,7 @@ typedef struct {
>   } FunctionInstance;
>   
>   struct _function_vtbl_t {
> -    HRESULT (*call)(script_ctx_t*,FunctionInstance*,IDispatch*,unsigned,unsigned,jsval_t*,jsval_t*);
> +    HRESULT (*call)(script_ctx_t*,FunctionInstance*,jsval_t,unsigned,unsigned,jsval_t*,jsval_t*);
>       HRESULT (*toString)(FunctionInstance*,jsstr_t**);
>       function_code_t* (*get_code)(FunctionInstance*);
>       void (*destructor)(FunctionInstance*);
> @@ -256,7 +256,7 @@ HRESULT Function_invoke(jsdisp_t *func_this, IDispatch *jsthis, WORD flags, unsi
>       assert(is_class(func_this, JSCLASS_FUNCTION));
>       function = function_from_jsdisp(func_this);
>   
> -    return function->vtbl->call(function->dispex.ctx, function, jsthis, flags, argc, argv, r);
> +    return function->vtbl->call(function->dispex.ctx, function, jsval_disp(jsthis), flags, argc, argv, r);
>   }
>   
>   static HRESULT Function_get_length(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
> @@ -331,8 +331,8 @@ static HRESULT Function_apply(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsi
>       FunctionInstance *function;
>       jsval_t *args = NULL;
>       unsigned i, cnt = 0;
> -    IDispatch *this_obj = NULL;
>       HRESULT hres = S_OK;
> +    jsval_t this_val;
>   
>       TRACE("\n");
>   
> @@ -341,11 +341,15 @@ static HRESULT Function_apply(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsi
>   
>       if(argc) {
>           if(!is_undefined(argv[0]) && !is_null(argv[0])) {
> +            IDispatch *this_obj;
>               hres = to_object(ctx, argv[0], &this_obj);
>               if(FAILED(hres))
>                   return hres;
> -        }
> -    }
> +            this_val = jsval_disp(this_obj);
> +        }else
> +            this_val = argv[0];
> +    }else
> +        this_val = jsval_undefined();


According to spec, this we should just always pass the original argument.


Jacek




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