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jscript: Move function call implementation into vtbl. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2019-08-14 13:18:09 +02:00 committed by Alexandre Julliard
parent 4960f9e338
commit 5c5397d1ef
1 changed files with 63 additions and 85 deletions
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148
dlls/jscript/function.c
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@ -40,6 +40,7 @@ typedef struct {
} FunctionInstance;
struct _function_vtbl_t {
HRESULT (*call)(script_ctx_t*,FunctionInstance*,IDispatch*,unsigned,unsigned,jsval_t*,jsval_t*);
HRESULT (*toString)(FunctionInstance*,jsstr_t**);
void (*destructor)(FunctionInstance*);
};
@ -243,69 +244,8 @@ void detach_arguments_object(jsdisp_t *args_disp)
jsdisp_release(frame->arguments_obj);
}
static HRESULT invoke_source(script_ctx_t *ctx, FunctionInstance *function, IDispatch *this_obj, unsigned argc, jsval_t *argv,
BOOL is_constructor, BOOL caller_execs_source, jsval_t *r)
{
jsdisp_t *var_disp;
DWORD exec_flags = 0;
HRESULT hres;
if(ctx->state == SCRIPTSTATE_UNINITIALIZED || ctx->state == SCRIPTSTATE_CLOSED) {
WARN("Script engine state does not allow running code.\n");
return E_UNEXPECTED;
}
if(!function->func_code) {
FIXME("no source\n");
return E_FAIL;
}
hres = create_dispex(ctx, NULL, NULL, &var_disp);
if(FAILED(hres))
return hres;
if(caller_execs_source)
exec_flags |= EXEC_RETURN_TO_INTERP;
if(is_constructor)
exec_flags |= EXEC_CONSTRUCTOR;
hres = exec_source(ctx, exec_flags, function->code, function->func_code, function->scope_chain, this_obj,
&function->dispex, var_disp, argc, argv, r);
jsdisp_release(var_disp);
return hres;
}
static HRESULT invoke_value_proc(script_ctx_t *ctx, FunctionInstance *function, IDispatch *this_disp, WORD flags,
unsigned argc, jsval_t *argv, jsval_t *r)
{
vdisp_t vthis;
HRESULT hres;
if(this_disp)
set_disp(&vthis, this_disp);
else if(ctx->host_global)
set_disp(&vthis, ctx->host_global);
else
set_jsdisp(&vthis, ctx->global);
hres = function->value_proc(ctx, &vthis, flags, argc, argv, r);
vdisp_release(&vthis);
return hres;
}
static HRESULT call_function(script_ctx_t *ctx, FunctionInstance *function, IDispatch *this_obj,
unsigned argc, jsval_t *argv, BOOL caller_execs_source, jsval_t *r)
{
if(function->value_proc)
return invoke_value_proc(ctx, function, this_obj, DISPATCH_METHOD, argc, argv, r);
return invoke_source(ctx, function, this_obj, argc, argv, FALSE, caller_execs_source, r);
}
HRESULT Function_invoke(jsdisp_t *func_this, IDispatch *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
{
const BOOL caller_execs_source = (flags & DISPATCH_JSCRIPT_CALLEREXECSSOURCE) != 0;
FunctionInstance *function;
TRACE("func %p this %p\n", func_this, jsthis);
@ -313,25 +253,7 @@ 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);
flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
if(function->value_proc)
return invoke_value_proc(function->dispex.ctx, function, jsthis, flags, argc, argv, r);
if(flags == DISPATCH_CONSTRUCT) {
jsdisp_t *this_obj;
HRESULT hres;
hres = create_object(function->dispex.ctx, &function->dispex, &this_obj);
if(FAILED(hres))
return hres;
hres = invoke_source(function->dispex.ctx, function, to_disp(this_obj), argc, argv, TRUE, caller_execs_source, r);
jsdisp_release(this_obj);
return hres;
}
assert(flags == DISPATCH_METHOD);
return invoke_source(function->dispex.ctx, function, jsthis, argc, argv, FALSE, caller_execs_source, r);
return function->vtbl->call(function->dispex.ctx, function, jsthis, flags, argc, argv, r);
}
static HRESULT Function_get_length(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
@ -445,7 +367,7 @@ static HRESULT Function_apply(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, un
if(SUCCEEDED(hres)) {
if(function) {
hres = call_function(ctx, function, this_obj, cnt, args, (flags & DISPATCH_JSCRIPT_CALLEREXECSSOURCE) != 0, r);
hres = function->vtbl->call(ctx, function, this_obj, flags, cnt, args, r);
}else {
jsval_t res;
hres = disp_call_value(ctx, jsthis->u.disp, this_obj, DISPATCH_METHOD, cnt, args, &res);
@ -489,7 +411,7 @@ static HRESULT Function_call(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, uns
cnt = argc-1;
}
hres = call_function(ctx, function, this_obj, cnt, argv+1, (flags & DISPATCH_JSCRIPT_CALLEREXECSSOURCE) != 0, r);
hres = function->vtbl->call(ctx, function, this_obj, flags, cnt, argv + 1, r);
if(this_obj)
IDispatch_Release(this_obj);
@ -509,9 +431,7 @@ HRESULT Function_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned
}
function = function_from_jsdisp(jsthis->u.jsdisp);
assert(function->value_proc != NULL);
return invoke_value_proc(ctx, function, NULL, flags, argc, argv, r);
return function->vtbl->call(ctx, function, NULL, flags, argc, argv, r);
}
HRESULT Function_get_value(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
@ -621,6 +541,25 @@ static HRESULT create_function(script_ctx_t *ctx, const builtin_info_t *builtin_
return S_OK;
}
static HRESULT NativeFunction_call(script_ctx_t *ctx, FunctionInstance *function, IDispatch *this_disp, unsigned flags,
unsigned argc, jsval_t *argv, jsval_t *r)
{
vdisp_t vthis;
HRESULT hres;
if(this_disp)
set_disp(&vthis, this_disp);
else if(ctx->host_global)
set_disp(&vthis, ctx->host_global);
else
set_jsdisp(&vthis, ctx->global);
hres = function->value_proc(ctx, &vthis, flags & ~DISPATCH_JSCRIPT_INTERNAL_MASK, argc, argv, r);
vdisp_release(&vthis);
return hres;
}
static HRESULT NativeFunction_toString(FunctionInstance *function, jsstr_t **ret)
{
DWORD name_len;
@ -651,6 +590,7 @@ static void NativeFunction_destructor(FunctionInstance *function)
}
static const function_vtbl_t NativeFunctionVtbl = {
NativeFunction_call,
NativeFunction_toString,
NativeFunction_destructor
};
@ -710,6 +650,43 @@ HRESULT create_builtin_constructor(script_ctx_t *ctx, builtin_invoke_t value_pro
return S_OK;
}
static HRESULT InterpretedFunction_call(script_ctx_t *ctx, FunctionInstance *function, IDispatch *this_obj, unsigned flags,
unsigned argc, jsval_t *argv, jsval_t *r)
{
jsdisp_t *var_disp, *new_obj = NULL;
DWORD exec_flags = 0;
HRESULT hres;
TRACE("%p\n", function);
if(ctx->state == SCRIPTSTATE_UNINITIALIZED || ctx->state == SCRIPTSTATE_CLOSED) {
WARN("Script engine state does not allow running code.\n");
return E_UNEXPECTED;
}
if(flags & DISPATCH_CONSTRUCT) {
hres = create_object(ctx, &function->dispex, &new_obj);
if(FAILED(hres))
return hres;
this_obj = to_disp(new_obj);
}
if(flags & DISPATCH_JSCRIPT_CALLEREXECSSOURCE)
exec_flags |= EXEC_RETURN_TO_INTERP;
if(flags & DISPATCH_CONSTRUCT)
exec_flags |= EXEC_CONSTRUCTOR;
hres = create_dispex(ctx, NULL, NULL, &var_disp);
if(SUCCEEDED(hres))
hres = exec_source(ctx, exec_flags, function->code, function->func_code, function->scope_chain, this_obj,
&function->dispex, var_disp, argc, argv, r);
if(new_obj)
jsdisp_release(new_obj);
jsdisp_release(var_disp);
return hres;
}
static HRESULT InterpretedFunction_toString(FunctionInstance *function, jsstr_t **ret)
{
*ret = jsstr_alloc_len(function->func_code->source, function->func_code->source_len);
@ -724,6 +701,7 @@ static void InterpretedFunction_destructor(FunctionInstance *function)
}
static const function_vtbl_t InterpretedFunctionVtbl = {
InterpretedFunction_call,
InterpretedFunction_toString,
InterpretedFunction_destructor
};