function.c File Reference

#include <assert.h>
#include "jscript.h"
#include "engine.h"
#include "wine/debug.h"

Include dependency graph for function.c:

Go to the source code of this file.

Classes
struct	FunctionInstance
struct	_function_vtbl_t
struct	InterpretedFunction
struct	NativeFunction
struct	BindFunction
struct	HostFunction
struct	HostConstructor
struct	ArgumentsInstance

Typedefs
typedef struct _function_vtbl_t	function_vtbl_t

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (jscript)
static HRESULT	create_bind_function (script_ctx_t *, FunctionInstance *, jsval_t, unsigned, jsval_t *, jsdisp_t **r)
static HRESULT	no_gc_traverse (struct gc_ctx *gc_ctx, enum gc_traverse_op op, FunctionInstance *function)
static FunctionInstance *	function_from_jsdisp (jsdisp_t *jsdisp)
static FunctionInstance *	function_this (jsval_t vthis)
static ArgumentsInstance *	arguments_from_jsdisp (jsdisp_t *jsdisp)
static HRESULT	Arguments_value (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static void	Arguments_destructor (jsdisp_t *jsdisp)
static HRESULT	Arguments_lookup_prop (jsdisp_t *jsdisp, const WCHAR *name, unsigned flags, struct property_info *desc)
static HRESULT	Arguments_next_prop (jsdisp_t *jsdisp, unsigned id, struct property_info *desc)
static jsval_t *	get_argument_ref (ArgumentsInstance *arguments, unsigned idx)
static HRESULT	Arguments_prop_get (jsdisp_t *jsdisp, unsigned idx, jsval_t *r)
static HRESULT	Arguments_prop_put (jsdisp_t *jsdisp, unsigned idx, jsval_t val)
static HRESULT	Arguments_gc_traverse (struct gc_ctx *gc_ctx, enum gc_traverse_op op, jsdisp_t *jsdisp)
static HRESULT	Arguments_get_caller (script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
HRESULT	setup_arguments_object (script_ctx_t *ctx, call_frame_t *frame)
void	detach_arguments_object (call_frame_t *frame)
HRESULT	Function_invoke (jsdisp_t *func_this, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	Function_get_caller (script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
static HRESULT	Function_get_length (script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
static HRESULT	native_function_string (const WCHAR *name, jsstr_t **ret)
static HRESULT	Function_toString (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	array_to_args (script_ctx_t *ctx, jsdisp_t *arg_array, unsigned *argc, jsval_t **ret)
static HRESULT	Function_apply (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	Function_call (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	Function_bind (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
HRESULT	Function_value (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
HRESULT	Function_get_value (script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
static HRESULT	Function_get_arguments (script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
function_code_t *	Function_get_code (jsdisp_t *jsthis)
static void	Function_destructor (jsdisp_t *dispex)
static HRESULT	Function_gc_traverse (struct gc_ctx *gc_ctx, enum gc_traverse_op op, jsdisp_t *dispex)
static HRESULT	create_function (script_ctx_t *ctx, const builtin_info_t *builtin_info, const function_vtbl_t *vtbl, size_t size, DWORD flags, BOOL funcprot, jsdisp_t *prototype, void **ret)
static HRESULT	NativeFunction_call (script_ctx_t *ctx, FunctionInstance *func, jsval_t vthis, unsigned flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	NativeFunction_toString (FunctionInstance *func, jsstr_t **ret)
static function_code_t *	NativeFunction_get_code (FunctionInstance *function)
static void	NativeFunction_destructor (FunctionInstance *function)
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)
static HRESULT	set_constructor_prop (script_ctx_t *ctx, jsdisp_t *constr, jsdisp_t *prot)
HRESULT	create_builtin_constructor (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)
static HRESULT	InterpretedFunction_get_prototype (script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
static HRESULT	InterpretedFunction_set_prototype (script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t value)
static HRESULT	InterpretedFunction_call (script_ctx_t *ctx, FunctionInstance *func, jsval_t vthis, unsigned flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	InterpretedFunction_toString (FunctionInstance *func, jsstr_t **ret)
static function_code_t *	InterpretedFunction_get_code (FunctionInstance *func)
static void	InterpretedFunction_destructor (FunctionInstance *func)
static HRESULT	InterpretedFunction_gc_traverse (struct gc_ctx *gc_ctx, enum gc_traverse_op op, FunctionInstance *func)
HRESULT	create_source_function (script_ctx_t *ctx, bytecode_t *code, function_code_t *func_code, scope_chain_t *scope_chain, jsdisp_t **ret)
static HRESULT	HostFunction_call (script_ctx_t *ctx, FunctionInstance *func, jsval_t vthis, unsigned flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	HostFunction_toString (FunctionInstance *func, jsstr_t **ret)
static function_code_t *	HostFunction_get_code (FunctionInstance *function)
static void	HostFunction_destructor (FunctionInstance *func)
static HRESULT	HostFunction_gc_traverse (struct gc_ctx *gc_ctx, enum gc_traverse_op op, FunctionInstance *func)
HRESULT	create_host_function (script_ctx_t *ctx, const struct property_info *desc, DWORD flags, jsdisp_t **ret)
static ULONG	HostConstructor_addref (jsdisp_t *jsdisp)
static ULONG	HostConstructor_release (jsdisp_t *jsdisp)
static HRESULT	HostConstructor_lookup_prop (jsdisp_t *jsdisp, const WCHAR *name, unsigned flags, struct property_info *desc)
static HRESULT	HostConstructor_call (script_ctx_t *ctx, FunctionInstance *func, jsval_t vthis, unsigned flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	HostConstructor_toString (FunctionInstance *function, jsstr_t **ret)
static function_code_t *	HostConstructor_get_code (FunctionInstance *function)
static void	HostConstructor_destructor (FunctionInstance *func)
static HRESULT	HostConstructor_gc_traverse (struct gc_ctx *gc_ctx, enum gc_traverse_op op, FunctionInstance *func)
HRESULT	init_host_constructor (script_ctx_t *ctx, IWineJSDispatchHost *host_constr, IWineJSDispatch *prototype, IWineJSDispatch **ret)
static HRESULT	BindFunction_get_arguments (script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
static HRESULT	BindFunction_get_caller (script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
static HRESULT	BindFunction_call (script_ctx_t *ctx, FunctionInstance *func, jsval_t vthis, unsigned flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	BindFunction_toString (FunctionInstance *function, jsstr_t **ret)
static function_code_t *	BindFunction_get_code (FunctionInstance *function)
static void	BindFunction_destructor (FunctionInstance *func)
static HRESULT	BindFunction_gc_traverse (struct gc_ctx *gc_ctx, enum gc_traverse_op op, FunctionInstance *func)
static HRESULT	construct_function (script_ctx_t *ctx, unsigned argc, jsval_t *argv, IDispatch **ret)
static HRESULT	FunctionConstr_value (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	FunctionProt_value (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
BOOL	is_builtin_eval_func (jsdisp_t *jsdisp)
HRESULT	init_function_constr (script_ctx_t *ctx, jsdisp_t *object_prototype)

Variables
static const builtin_prop_t	Arguments_props []
static const builtin_info_t	Arguments_info
static const builtin_info_t	Arguments_ES5_info
static const builtin_prop_t	Function_props []
static const builtin_info_t	Function_info
static const builtin_prop_t	FunctionInst_props []
static const builtin_info_t	FunctionInst_info
static const function_vtbl_t	NativeFunctionVtbl
static const builtin_prop_t	InterpretedFunction_props []
static const builtin_info_t	InterpretedFunction_info
static const function_vtbl_t	InterpretedFunctionVtbl
static const builtin_info_t	HostFunction_info
static const function_vtbl_t	HostFunctionVtbl
static const builtin_info_t	HostConstructor_info
static const function_vtbl_t	HostConstructorVtbl
static const builtin_prop_t	BindFunction_props []
static const builtin_info_t	BindFunction_info
static const function_vtbl_t	BindFunctionVtbl

Typedef Documentation

function_vtbl_t

typedef struct _function_vtbl_t function_vtbl_t

Definition at line 28 of file function.c.

Function Documentation

Arguments_destructor()

static void Arguments_destructor ( jsdisp_t *  jsdisp )

static

Definition at line 116 of file function.c.

{
    ArgumentsInstance *arguments = arguments_from_jsdisp(jsdisp);
 
    TRACE("(%p)\n", arguments);
 
    if(arguments->buf) {
        unsigned i;
        for(i = 0; i < arguments->argc; i++)
            jsval_release(arguments->buf[i]);
        free(arguments->buf);
    }
 
    if(arguments->scope)
        scope_release(arguments->scope);
}

arguments_from_jsdisp()

static ArgumentsInstance * arguments_from_jsdisp ( jsdisp_t *  jsdisp )

inlinestatic

Definition at line 104 of file function.c.

{
    return CONTAINING_RECORD(jsdisp, ArgumentsInstance, jsdisp);
}

Referenced by Arguments_destructor(), Arguments_gc_traverse(), Arguments_get_caller(), Arguments_lookup_prop(), Arguments_next_prop(), Arguments_prop_get(), Arguments_prop_put(), and detach_arguments_object().

Arguments_gc_traverse()

static HRESULT Arguments_gc_traverse ( struct gc_ctx *  gc_ctx, enum gc_traverse_op  op, jsdisp_t *  jsdisp  )

static

Definition at line 181 of file function.c.

{
    ArgumentsInstance *arguments = arguments_from_jsdisp(jsdisp);
    HRESULT hres;
    unsigned i;
 
    if(arguments->buf) {
        for(i = 0; i < arguments->argc; i++) {
            hres = gc_process_linked_val(gc_ctx, op, jsdisp, &arguments->buf[i]);
            if(FAILED(hres))
                return hres;
        }
    }
 
    if(arguments->scope) {
        hres = gc_process_linked_obj(gc_ctx, op, jsdisp, &arguments->scope->dispex, (void**)&arguments->scope);
        if(FAILED(hres))
            return hres;
    }
 
    return S_OK;
}

Arguments_get_caller()

static HRESULT Arguments_get_caller ( script_ctx_t *  ctx, jsdisp_t *  jsthis, jsval_t *  r  )

static

Definition at line 204 of file function.c.

{
    ArgumentsInstance *arguments = arguments_from_jsdisp(jsthis);
    call_frame_t *frame;
    HRESULT hres;
 
    TRACE("\n");
 
    for(frame = ctx->call_ctx; frame; frame = frame->prev_frame) {
        if(frame->arguments_obj == &arguments->jsdisp) {
            frame = frame->prev_frame;
            if(!frame || !frame->function_instance)
                break;
            if(!frame->arguments_obj) {
                hres = setup_arguments_object(ctx, frame);
                if(FAILED(hres))
                    return hres;
            }
            *r = jsval_obj(jsdisp_addref(frame->arguments_obj));
            return S_OK;
        }
    }
 
    *r = jsval_null();
    return S_OK;
}

Arguments_lookup_prop()

static HRESULT Arguments_lookup_prop ( jsdisp_t *  jsdisp, const WCHAR *  name, unsigned  flags, struct property_info *  desc  )

static

Definition at line 133 of file function.c.

{
    ArgumentsInstance *arguments = arguments_from_jsdisp(jsdisp);
    return jsdisp_index_lookup(&arguments->jsdisp, name, arguments->argc, desc);
}

Arguments_next_prop()

static HRESULT Arguments_next_prop ( jsdisp_t *  jsdisp, unsigned  id, struct property_info *  desc  )

static

Definition at line 139 of file function.c.

{
    ArgumentsInstance *arguments = arguments_from_jsdisp(jsdisp);
    return jsdisp_next_index(&arguments->jsdisp, arguments->argc, id, desc);
}

Arguments_prop_get()

static HRESULT Arguments_prop_get ( jsdisp_t *  jsdisp, unsigned  idx, jsval_t *  r  )

static

Definition at line 154 of file function.c.

{
    ArgumentsInstance *arguments = arguments_from_jsdisp(jsdisp);
 
    TRACE("%p[%u]\n", arguments, idx);
 
    return jsval_copy(*get_argument_ref(arguments, idx), r);
}

Arguments_prop_put()

static HRESULT Arguments_prop_put ( jsdisp_t *  jsdisp, unsigned  idx, jsval_t  val  )

static

Definition at line 163 of file function.c.

{
    ArgumentsInstance *arguments = arguments_from_jsdisp(jsdisp);
    jsval_t copy, *ref;
    HRESULT hres;
 
    TRACE("%p[%u] = %s\n", arguments, idx, debugstr_jsval(val));
 
    hres = jsval_copy(val, &copy);
    if(FAILED(hres))
        return hres;
 
    ref = get_argument_ref(arguments, idx);
    jsval_release(*ref);
    *ref = copy;
    return S_OK;
}

Arguments_value()

static HRESULT Arguments_value ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 109 of file function.c.

{
    FIXME("\n");
    return E_NOTIMPL;
}

array_to_args()

static HRESULT array_to_args ( script_ctx_t *  ctx, jsdisp_t *  arg_array, unsigned *  argc, jsval_t **  ret  )

static

Definition at line 419 of file function.c.

{
    jsval_t *argv, val;
    UINT32 length, i;
    HRESULT hres;
 
    hres = jsdisp_propget_name(arg_array, L"length", &val);
    if(FAILED(hres))
        return hres;
 
    hres = to_uint32(ctx, val, &length);
    jsval_release(val);
    if(FAILED(hres))
        return hres;
 
    argv = malloc(length * sizeof(*argv));
    if(!argv)
        return E_OUTOFMEMORY;
 
    for(i=0; i<length; i++) {
        hres = jsdisp_get_idx(arg_array, i, argv+i);
        if(hres == DISP_E_UNKNOWNNAME) {
            argv[i] = jsval_undefined();
        }else if(FAILED(hres)) {
            while(i--)
                jsval_release(argv[i]);
            free(argv);
            return hres;
        }
    }
 
    *argc = length;
    *ret = argv;
    return S_OK;
}

Referenced by Function_apply().

BindFunction_call()

static HRESULT BindFunction_call ( script_ctx_t *  ctx, FunctionInstance *  func, jsval_t  vthis, unsigned  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 1238 of file function.c.

{
    BindFunction *function = (BindFunction*)func;
    jsval_t *call_args = NULL;
    unsigned call_argc;
    HRESULT hres;
 
    TRACE("%p\n", function);
 
    call_argc = function->argc + argc;
    if(call_argc) {
        call_args = malloc(call_argc * sizeof(*call_args));
        if(!call_args)
            return E_OUTOFMEMORY;
 
        if(function->argc)
            memcpy(call_args, function->args, function->argc * sizeof(*call_args));
        if(argc)
            memcpy(call_args + function->argc, argv, argc * sizeof(*call_args));
    }
 
    hres = function->target->vtbl->call(ctx, function->target, function->this, flags, call_argc, call_args, r);
 
    free(call_args);
    return hres;
}

BindFunction_destructor()

static void BindFunction_destructor ( FunctionInstance *  func )

static

Definition at line 1277 of file function.c.

{
    BindFunction *function = (BindFunction*)func;
    unsigned i;
 
    TRACE("%p\n", function);
 
    for(i = 0; i < function->argc; i++)
        jsval_release(function->args[i]);
    if(function->target)
        jsdisp_release(&function->target->dispex);
    jsval_release(function->this);
}

BindFunction_gc_traverse()

static HRESULT BindFunction_gc_traverse ( struct gc_ctx *  gc_ctx, enum gc_traverse_op  op, FunctionInstance *  func  )

static

Definition at line 1291 of file function.c.

{
    BindFunction *function = (BindFunction*)func;
    HRESULT hres;
    unsigned i;
 
    for(i = 0; i < function->argc; i++) {
        hres = gc_process_linked_val(gc_ctx, op, &function->function.dispex, &function->args[i]);
        if(FAILED(hres))
            return hres;
    }
 
    hres = gc_process_linked_obj(gc_ctx, op, &function->function.dispex, &function->target->dispex, (void**)&function->target);
    if(FAILED(hres))
        return hres;
 
    return gc_process_linked_val(gc_ctx, op, &function->function.dispex, &function->this);
}

BindFunction_get_arguments()

static HRESULT BindFunction_get_arguments ( script_ctx_t *  ctx, jsdisp_t *  jsthis, jsval_t *  r  )

static

Definition at line 1213 of file function.c.

{
    return JS_E_INVALID_ACTION;
}

BindFunction_get_caller()

static HRESULT BindFunction_get_caller ( script_ctx_t *  ctx, jsdisp_t *  jsthis, jsval_t *  r  )

static

Definition at line 1218 of file function.c.

{
    return JS_E_INVALID_ACTION;
}

BindFunction_get_code()

static function_code_t * BindFunction_get_code ( FunctionInstance *  function )

static

Definition at line 1272 of file function.c.

{
    return NULL;
}

BindFunction_toString()

static HRESULT BindFunction_toString ( FunctionInstance *  function, jsstr_t **  ret  )

static

Definition at line 1266 of file function.c.

{
    *ret = jsstr_alloc(L"\nfunction() {\n    [native code]\n}\n");
    return *ret ? S_OK : E_OUTOFMEMORY;
}

construct_function()

static HRESULT construct_function ( script_ctx_t *  ctx, unsigned  argc, jsval_t *  argv, IDispatch **  ret  )

static

Definition at line 1352 of file function.c.

{
    WCHAR *str = NULL, *ptr;
    unsigned len = 0, i = 0;
    bytecode_t *code;
    jsdisp_t *function;
    jsstr_t **params = NULL;
    int j = 0;
    HRESULT hres = S_OK;
 
    static const WCHAR function_anonymousW[] = L"function anonymous(";
    static const WCHAR function_beginW[] = L") {\n";
    static const WCHAR function_endW[] = L"\n}";
 
    if(argc) {
        params = malloc(argc*sizeof(*params));
        if(!params)
            return E_OUTOFMEMORY;
 
        if(argc > 2)
            len = (argc-2)*2; /* separating commas */
        for(i=0; i < argc; i++) {
            hres = to_string(ctx, argv[i], params+i);
            if(FAILED(hres))
                break;
            len += jsstr_length(params[i]);
        }
    }
 
    if(SUCCEEDED(hres)) {
        len += ARRAY_SIZE(function_anonymousW) + ARRAY_SIZE(function_beginW) + ARRAY_SIZE(function_endW) - 2;
        str = malloc(len*sizeof(WCHAR));
        if(str) {
            memcpy(str, function_anonymousW, sizeof(function_anonymousW));
            ptr = str + ARRAY_SIZE(function_anonymousW) - 1;
            if(argc > 1) {
                while(1) {
                    ptr += jsstr_flush(params[j], ptr);
                    if(++j == argc-1)
                        break;
                    *ptr++ = ',';
                    *ptr++ = ' ';
                }
            }
            memcpy(ptr, function_beginW, sizeof(function_beginW));
            ptr += ARRAY_SIZE(function_beginW) - 1;
            if(argc)
                ptr += jsstr_flush(params[argc-1], ptr);
            memcpy(ptr, function_endW, sizeof(function_endW));
 
            TRACE("%s\n", debugstr_w(str));
        }else {
            hres = E_OUTOFMEMORY;
        }
    }
 
    while(i)
        jsstr_release(params[--i]);
    free(params);
    if(FAILED(hres))
        return hres;
 
    hres = compile_script(ctx, str, 0, 0, NULL, NULL, FALSE, FALSE,
                          ctx->call_ctx ? ctx->call_ctx->bytecode->named_item : NULL, &code);
    free(str);
    if(FAILED(hres))
        return hres;
 
    if(code->global_code.func_cnt != 1 || code->global_code.var_cnt != 1) {
        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;
}

Referenced by FunctionConstr_value().

create_bind_function()

static HRESULT create_bind_function ( script_ctx_t *  ctx, FunctionInstance *  target, jsval_t  bound_this, unsigned  argc, jsval_t *  argv, jsdisp_t **  r  )

static

Definition at line 1318 of file function.c.

{
    BindFunction *function;
    HRESULT hres;
 
    hres = create_function(ctx, &BindFunction_info, &BindFunctionVtbl, FIELD_OFFSET(BindFunction, args[argc]), PROPF_METHOD,
                           FALSE, NULL, (void**)&function);
    if(FAILED(hres))
        return hres;
 
    jsdisp_addref(&target->dispex);
    function->target = target;
 
    hres = jsval_copy(bound_this, &function->this);
    if(FAILED(hres)) {
        jsdisp_release(&function->function.dispex);
        return hres;
    }
 
    for(function->argc = 0; function->argc < argc; function->argc++) {
        hres = jsval_copy(argv[function->argc], function->args + function->argc);
        if(FAILED(hres)) {
            jsdisp_release(&function->function.dispex);
            return hres;
        }
    }
 
    function->function.length = target->length > argc ? target->length - argc : 0;
 
    *ret = &function->function.dispex;
    return S_OK;
}

Referenced by Function_bind().

create_builtin_constructor()

HRESULT create_builtin_constructor	(	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
	)

Definition at line 809 of file function.c.

{
    jsdisp_t *constr;
    HRESULT hres;
 
    hres = create_builtin_function(ctx, value_proc, name, builtin_info, flags, prototype, &constr);
    if(FAILED(hres))
        return hres;
 
    hres = set_constructor_prop(ctx, constr, prototype);
    if(FAILED(hres)) {
        jsdisp_release(constr);
        return hres;
    }
 
    *ret = constr;
    return S_OK;
}

Referenced by create_array_constr(), create_bool_constr(), create_date_constr(), create_enumerator_constr(), create_number_constr(), create_object_constr(), create_regexp_constr(), create_string_constr(), create_vbarray_constr(), init_arraybuf_constructors(), init_error_constr(), and init_set_constructor().

create_builtin_function()

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
	)

Definition at line 773 of file function.c.

{
    NativeFunction *function;
    HRESULT hres;
 
    if(!ctx->function_constr)
        return E_UNEXPECTED;
 
    hres = create_function(ctx, builtin_info, &NativeFunctionVtbl, sizeof(NativeFunction), flags, FALSE, NULL, (void**)&function);
    if(FAILED(hres))
        return hres;
 
    if(builtin_info)
        hres = jsdisp_define_data_property(&function->function.dispex, L"length", 0,
                                           jsval_number(function->function.length));
    if(SUCCEEDED(hres))
        hres = jsdisp_define_data_property(&function->function.dispex, L"prototype", 0, prototype ? jsval_obj(prototype) : jsval_null());
    if(FAILED(hres)) {
        jsdisp_release(&function->function.dispex);
        return hres;
    }
 
    function->proc = value_proc;
    function->name = name;
 
    *ret = &function->function.dispex;
    return S_OK;
}

Referenced by create_activex_constr(), create_builtin_constructor(), find_prop_name(), init_arraybuf_constructors(), and init_object_prototype_accessors().

create_function()

static HRESULT create_function ( script_ctx_t *  ctx, const builtin_info_t *  builtin_info, const function_vtbl_t *  vtbl, size_t  size, DWORD  flags, BOOL  funcprot, jsdisp_t *  prototype, void **  ret  )

static

Definition at line 711 of file function.c.

{
    FunctionInstance *function;
    HRESULT hres;
 
    function = calloc(1, size);
    if(!function)
        return E_OUTOFMEMORY;
 
    if(funcprot)
        hres = init_dispex(&function->dispex, ctx, builtin_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, &FunctionInst_info, ctx->function_constr);
    if(FAILED(hres)) {
        free(function);
        return hres;
    }
 
    function->vtbl = vtbl;
    function->flags = flags;
    function->length = flags & PROPF_ARGMASK;
 
    *ret = function;
    return S_OK;
}

Referenced by create_bind_function(), create_builtin_function(), create_host_function(), create_source_function(), init_function_constr(), and init_host_constructor().

create_host_function()

HRESULT create_host_function	(	script_ctx_t *	ctx,
		const struct property_info *	desc,
		DWORD	flags,
		jsdisp_t **	ret
	)

Definition at line 1072 of file function.c.

{
    HostFunction *function;
    HRESULT hres;
 
    if(!ctx->function_constr)
        return E_UNEXPECTED;
 
    hres = create_function(ctx, &HostFunction_info, &HostFunctionVtbl, sizeof(HostFunction), PROPF_METHOD,
                           FALSE, NULL, (void**)&function);
    if(FAILED(hres))
        return hres;
 
    function->name = desc->name;
    function->id = desc->id;
    function->iid = desc->iid;
    function->flags = flags;
    *ret = &function->function.dispex;
    return S_OK;
}

Referenced by update_external_prop().

create_source_function()

HRESULT create_source_function	(	script_ctx_t *	ctx,
		bytecode_t *	code,
		function_code_t *	func_code,
		scope_chain_t *	scope_chain,
		jsdisp_t **	ret
	)

Definition at line 953 of file function.c.

{
    InterpretedFunction *function;
    HRESULT hres;
 
    hres = create_function(ctx, &InterpretedFunction_info, &InterpretedFunctionVtbl, sizeof(InterpretedFunction),
                           PROPF_CONSTR, FALSE, NULL, (void**)&function);
    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->function.length = function->func_code->param_cnt;
 
    *ret = &function->function.dispex;
    return S_OK;
}

Referenced by construct_function(), exec_source(), interp_func(), JScriptParseProcedure_ParseProcedureText(), scope_init_locals(), and setup_scope().

detach_arguments_object()

void detach_arguments_object

(

call_frame_t *

frame

)

Definition at line 293 of file function.c.

{
    ArgumentsInstance *arguments = arguments_from_jsdisp(frame->arguments_obj);
    scope_chain_t *scope = arguments->scope;
    const BOOL on_stack = scope->frame == frame;
    jsdisp_t *jsobj = as_jsdisp(scope->obj);
 
    /* Reset arguments value to cut the reference cycle. Note that since all activation contexts have
     * their own arguments property, it's impossible to use prototype's one during name lookup */
    jsdisp_propput_name(jsobj, L"arguments", jsval_undefined());
 
    /* Don't bother coppying arguments if call frame holds the last reference. */
    if(arguments->jsdisp.ref > 1 && !arguments->jsdisp.ctx->html_mode) {
        arguments->buf = malloc(arguments->argc * sizeof(*arguments->buf));
        if(arguments->buf) {
            const jsval_t *args = on_stack ? arguments->jsdisp.ctx->stack + frame->arguments_off : scope->detached_vars->var;
            int i;
 
            for(i = 0; i < arguments->argc ; i++) {
                if(FAILED(jsval_copy(args[i], &arguments->buf[i])))
                    arguments->buf[i] = jsval_undefined();
            }
        }else {
            ERR("out of memory\n");
            arguments->argc = 0;
        }
 
        arguments->scope = NULL;
        scope_release(scope);
    }
 
    jsdisp_release(&arguments->jsdisp);
}

Referenced by pop_call_frame().

Function_apply()

static HRESULT Function_apply ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 455 of file function.c.

{
    jsval_t this_val = jsval_undefined();
    FunctionInstance *function;
    jsval_t *args = NULL;
    unsigned i, cnt = 0;
    HRESULT hres = S_OK;
 
    TRACE("\n");
 
    if(is_null_disp(vthis))
        return JS_E_OBJECT_REQUIRED;
    if(!is_object_instance(vthis) || (!(function = function_this(vthis)) && to_jsdisp(get_object(vthis))))
        return JS_E_FUNCTION_EXPECTED;
 
    if(argc) {
        if(ctx->version < SCRIPTLANGUAGEVERSION_ES5 && !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 {
            hres = jsval_copy(argv[0], &this_val);
            if(FAILED(hres))
                return hres;
        }
    }
 
    if(argc >= 2) {
        jsdisp_t *arg_array = NULL;
 
        if(is_object_instance(argv[1])) {
            arg_array = iface_to_jsdisp(get_object(argv[1]));
            if(arg_array &&
               (!is_class(arg_array, JSCLASS_ARRAY) && !is_class(arg_array, JSCLASS_ARGUMENTS) )) {
                jsdisp_release(arg_array);
                arg_array = NULL;
            }
        }
 
        if(arg_array) {
            hres = array_to_args(ctx, arg_array, &cnt, &args);
            jsdisp_release(arg_array);
        }else {
            FIXME("throw TypeError\n");
            hres = E_FAIL;
        }
    }
 
    if(SUCCEEDED(hres)) {
        if(function) {
            hres = function->vtbl->call(ctx, function, this_val, flags, cnt, args, r);
        }else {
            jsval_t res;
            hres = disp_call_value(ctx, get_object(vthis), this_val, DISPATCH_METHOD, cnt, args, &res);
            if(SUCCEEDED(hres)) {
                if(r)
                    *r = res;
                else
                    jsval_release(res);
            }
        }
    }
 
    jsval_release(this_val);
    for(i=0; i < cnt; i++)
        jsval_release(args[i]);
    free(args);
    return hres;
}

Function_bind()

static HRESULT Function_bind ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 563 of file function.c.

{
    jsval_t bound_this = jsval_undefined();
    FunctionInstance *function;
    jsdisp_t *new_function;
    HRESULT hres;
 
    TRACE("\n");
 
    if(!(function = function_this(vthis)))
        return JS_E_FUNCTION_EXPECTED;
 
    if(argc < 1) {
        argc = 1;
    }else if(is_null(argv[0])) {
        bound_this = argv[0];
    }else if(!is_undefined(argv[0])) {
        IDispatch *obj;
        hres = to_object(ctx, argv[0], &obj);
        if(FAILED(hres))
            return hres;
        bound_this = jsval_disp(obj);
    }
 
    hres = create_bind_function(ctx, function, bound_this, argc - 1, argv + 1, &new_function);
    jsval_release(bound_this);
    if(FAILED(hres))
        return hres;
 
    if(r)
        *r = jsval_obj(new_function);
    else
        jsdisp_release(new_function);
    return S_OK;
}

Function_call()

static HRESULT Function_call ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 527 of file function.c.

{
    jsval_t this_val = jsval_undefined();
    FunctionInstance *function;
    unsigned cnt = 0;
    HRESULT hres;
 
    TRACE("\n");
 
    if(is_null_disp(vthis))
        return JS_E_OBJECT_REQUIRED;
    if(!(function = function_this(vthis)))
        return JS_E_FUNCTION_EXPECTED;
 
    if(argc) {
        if(ctx->version < SCRIPTLANGUAGEVERSION_ES5 && !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 {
            hres = jsval_copy(argv[0], &this_val);
            if(FAILED(hres))
                return hres;
        }
        cnt = argc-1;
    }
 
    hres = function->vtbl->call(ctx, function, this_val, flags, cnt, argv + 1, r);
 
    jsval_release(this_val);
    return hres;
}

Function_destructor()

static void Function_destructor ( jsdisp_t *  dispex )

static

Definition at line 665 of file function.c.

{
    FunctionInstance *function = function_from_jsdisp(dispex);
    function->vtbl->destructor(function);
}

function_from_jsdisp()

static FunctionInstance * function_from_jsdisp ( jsdisp_t *  jsdisp )

inlinestatic

Definition at line 93 of file function.c.

{
    return CONTAINING_RECORD(jsdisp, FunctionInstance, dispex);
}

Referenced by Function_destructor(), Function_gc_traverse(), Function_get_arguments(), Function_get_caller(), Function_get_code(), Function_get_length(), Function_get_value(), Function_invoke(), function_this(), and is_builtin_eval_func().

Function_gc_traverse()

static HRESULT Function_gc_traverse ( struct gc_ctx *  gc_ctx, enum gc_traverse_op  op, jsdisp_t *  dispex  )

static

Definition at line 671 of file function.c.

{
    FunctionInstance *function = function_from_jsdisp(dispex);
    return function->vtbl->gc_traverse(gc_ctx, op, function);
}

Function_get_arguments()

static HRESULT Function_get_arguments ( script_ctx_t *  ctx, jsdisp_t *  jsthis, jsval_t *  r  )

static

Definition at line 631 of file function.c.

{
    FunctionInstance *function = function_from_jsdisp(jsthis);
    call_frame_t *frame;
    HRESULT hres;
 
    TRACE("\n");
 
    for(frame = ctx->call_ctx; frame; frame = frame->prev_frame) {
        if(frame->function_instance == &function->dispex) {
            if(!frame->arguments_obj) {
                hres = setup_arguments_object(ctx, frame);
                if(FAILED(hres))
                    return hres;
            }
            *r = jsval_obj(jsdisp_addref(frame->arguments_obj));
            return S_OK;
        }
    }
 
    *r = jsval_null();
    return S_OK;
}

Function_get_caller()

static HRESULT Function_get_caller ( script_ctx_t *  ctx, jsdisp_t *  jsthis, jsval_t *  r  )

static

Definition at line 344 of file function.c.

{
    FunctionInstance *function = function_from_jsdisp(jsthis);
    call_frame_t *frame;
 
    TRACE("%p\n", jsthis);
 
    for(frame = ctx->call_ctx; frame; frame = frame->prev_frame) {
        if(frame->function_instance == &function->dispex) {
            if(!frame->prev_frame || !frame->prev_frame->function_instance)
                break;
            *r = jsval_obj(jsdisp_addref(frame->prev_frame->function_instance));
            return S_OK;
        }
    }
 
    *r = jsval_null();
    return S_OK;
}

Function_get_code()

function_code_t * Function_get_code

(

jsdisp_t *

jsthis

)

Definition at line 655 of file function.c.

{
    FunctionInstance *function;
 
    assert(is_class(jsthis, JSCLASS_FUNCTION));
    function = function_from_jsdisp(jsthis);
 
    return function->vtbl->get_code(function);
}

Referenced by DispatchEx_GetTypeInfo().

Function_get_length()

static HRESULT Function_get_length ( script_ctx_t *  ctx, jsdisp_t *  jsthis, jsval_t *  r  )

static

Definition at line 364 of file function.c.

{
    TRACE("%p\n", jsthis);
 
    *r = jsval_number(function_from_jsdisp(jsthis)->length);
    return S_OK;
}

Function_get_value()

HRESULT Function_get_value	(	script_ctx_t *	ctx,
		jsdisp_t *	jsthis,
		jsval_t *	r
	)

Definition at line 615 of file function.c.

{
    FunctionInstance *function = function_from_jsdisp(jsthis);
    jsstr_t *str;
    HRESULT hres;
 
    TRACE("\n");
 
    hres = function->vtbl->toString(function, &str);
    if(FAILED(hres))
        return hres;
 
    *r = jsval_string(str);
    return S_OK;
}

Function_invoke()

HRESULT Function_invoke	(	jsdisp_t *	func_this,
		jsval_t	vthis,
		WORD	flags,
		unsigned	argc,
		jsval_t *	argv,
		jsval_t *	r
	)

Definition at line 327 of file function.c.

{
    FunctionInstance *function;
 
    TRACE("func %p this %s\n", func_this, debugstr_jsval(vthis));
 
    assert(is_class(func_this, JSCLASS_FUNCTION));
    function = function_from_jsdisp(func_this);
 
    if(function->dispex.ctx->state == SCRIPTSTATE_UNINITIALIZED || function->dispex.ctx->state == SCRIPTSTATE_CLOSED) {
        WARN("Script engine state does not allow running code.\n");
        return E_UNEXPECTED;
    }
 
    return function->vtbl->call(function->dispex.ctx, function, vthis, flags, argc, argv, r);
}

Referenced by jsdisp_call_value().

function_this()

static FunctionInstance * function_this ( jsval_t  vthis )

inlinestatic

Definition at line 98 of file function.c.

{
    jsdisp_t *jsdisp = is_object_instance(vthis) ? to_jsdisp(get_object(vthis)) : NULL;
    return (jsdisp && is_class(jsdisp, JSCLASS_FUNCTION)) ? function_from_jsdisp(jsdisp) : NULL;
}

Referenced by Function_apply(), Function_bind(), Function_call(), Function_toString(), and Function_value().

Function_toString()

static HRESULT Function_toString ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 396 of file function.c.

{
    FunctionInstance *function;
    jsstr_t *str;
    HRESULT hres;
 
    TRACE("\n");
 
    if(!(function = function_this(vthis)))
        return JS_E_FUNCTION_EXPECTED;
 
    hres = function->vtbl->toString(function, &str);
    if(FAILED(hres))
        return hres;
 
    if(r)
        *r = jsval_string(str);
    else
        jsstr_release(str);
    return S_OK;
}

Function_value()

HRESULT Function_value	(	script_ctx_t *	ctx,
		jsval_t	vthis,
		WORD	flags,
		unsigned	argc,
		jsval_t *	argv,
		jsval_t *	r
	)

Definition at line 600 of file function.c.

{
    FunctionInstance *function;
 
    TRACE("\n");
 
    if(!(function = function_this(vthis))) {
        ERR("dispex is not a function\n");
        return E_FAIL;
    }
 
    return function->vtbl->call(ctx, function, vthis, flags, argc, argv, r);
}

FunctionConstr_value()

static HRESULT FunctionConstr_value ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 1435 of file function.c.

{
    HRESULT hres;
 
    TRACE("\n");
 
    switch(flags) {
    case DISPATCH_METHOD:
    case DISPATCH_CONSTRUCT: {
        IDispatch *ret;
 
        hres = construct_function(ctx, argc, argv, &ret);
        if(FAILED(hres))
            return hres;
 
        if(r) *r = jsval_disp(ret);
        else  IDispatch_Release(ret);
        break;
    }
    default:
        FIXME("unimplemented flags %x\n", flags);
        return E_NOTIMPL;
    }
 
    return S_OK;
}

Referenced by init_function_constr().

FunctionProt_value()

static HRESULT FunctionProt_value ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 1463 of file function.c.

{
    FIXME("\n");
    return E_NOTIMPL;
}

Referenced by init_function_constr().

get_argument_ref()

static jsval_t * get_argument_ref ( ArgumentsInstance *  arguments, unsigned  idx  )

static

Definition at line 145 of file function.c.

{
    if(arguments->buf)
        return arguments->buf + idx;
    if(!arguments->scope->detached_vars)
        return arguments->jsdisp.ctx->stack + arguments->scope->frame->arguments_off + idx;
    return arguments->scope->detached_vars->var + idx;
}

Referenced by Arguments_prop_get(), and Arguments_prop_put().

HostConstructor_addref()

static ULONG HostConstructor_addref ( jsdisp_t *  jsdisp )

static

Definition at line 1093 of file function.c.

{
    HostConstructor *constr = (HostConstructor*)jsdisp;
    return IWineJSDispatchHost_AddRef(constr->host_iface);
}

HostConstructor_call()

static HRESULT HostConstructor_call ( script_ctx_t *  ctx, FunctionInstance *  func, jsval_t  vthis, unsigned  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 1123 of file function.c.

{
    HostConstructor *function = (HostConstructor*)func;
    VARIANT buf[6], ret;
    DISPPARAMS dp = { .cArgs = argc, .rgvarg = buf };
    EXCEPINFO ei = { 0 };
    HRESULT hres = S_OK;
    unsigned i;
 
    flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
    if(argc > ARRAYSIZE(buf) && !(dp.rgvarg = malloc(argc * sizeof(*dp.rgvarg))))
        return E_OUTOFMEMORY;
 
    for(i = 0; i < argc; i++) {
        hres = jsval_to_variant(argv[i], &dp.rgvarg[dp.cArgs - i - 1]);
        if(FAILED(hres))
            break;
    }
 
    if(SUCCEEDED(hres)) {
        V_VT(&ret) = VT_EMPTY;
        hres = IWineJSDispatchHost_Construct(function->host_iface, ctx->lcid, flags, &dp, &ret, &ei,
                                             &ctx->jscaller->IServiceProvider_iface);
        if(hres == DISP_E_EXCEPTION)
            handle_dispatch_exception(ctx, &ei);
        if(SUCCEEDED(hres) && r) {
            hres = variant_to_jsval(ctx, &ret, r);
            VariantClear(&ret);
        }
    }
 
    while(i--)
        VariantClear(&dp.rgvarg[dp.cArgs - i - 1]);
    if(dp.rgvarg != buf)
        free(dp.rgvarg);
    return hres;
}

HostConstructor_destructor()

static void HostConstructor_destructor ( FunctionInstance *  func )

static

Definition at line 1173 of file function.c.

{
}

HostConstructor_gc_traverse()

static HRESULT HostConstructor_gc_traverse ( struct gc_ctx *  gc_ctx, enum gc_traverse_op  op, FunctionInstance *  func  )

static

Definition at line 1177 of file function.c.

{
    return S_OK;
}

HostConstructor_get_code()

static function_code_t * HostConstructor_get_code ( FunctionInstance *  function )

static

Definition at line 1168 of file function.c.

{
    return NULL;
}

HostConstructor_lookup_prop()

static HRESULT HostConstructor_lookup_prop ( jsdisp_t *  jsdisp, const WCHAR *  name, unsigned  flags, struct property_info *  desc  )

static

Definition at line 1105 of file function.c.

{
    HostConstructor *constr = (HostConstructor*)jsdisp;
    HRESULT hres = IWineJSDispatchHost_LookupProperty(constr->host_iface, name, flags, desc);
    assert(hres != S_OK || (desc->flags & PROPF_METHOD)); /* external properties are not allowed */
    return hres;
}

HostConstructor_release()

static ULONG HostConstructor_release ( jsdisp_t *  jsdisp )

static

Definition at line 1099 of file function.c.

{
    HostConstructor *constr = (HostConstructor*)jsdisp;
    return IWineJSDispatchHost_Release(constr->host_iface);
}

HostConstructor_toString()

static HRESULT HostConstructor_toString ( FunctionInstance *  function, jsstr_t **  ret  )

static

Definition at line 1162 of file function.c.

{
    *ret = jsstr_alloc(L"\nfunction() {\n    [native code]\n}\n");
    return *ret ? S_OK : E_OUTOFMEMORY;
}

HostFunction_call()

static HRESULT HostFunction_call ( script_ctx_t *  ctx, FunctionInstance *  func, jsval_t  vthis, unsigned  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 985 of file function.c.

{
    HostFunction *function = (HostFunction*)func;
    VARIANT buf[6], retv;
    DISPPARAMS dp = { .cArgs = argc, .rgvarg = buf };
    IWineJSDispatchHost *obj;
    EXCEPINFO ei = { 0 };
    IDispatch *this_obj;
    HRESULT hres = S_OK;
    unsigned i;
 
    if(flags & DISPATCH_CONSTRUCT)
        return E_UNEXPECTED;
 
    if(is_object_instance(vthis))
        this_obj = get_object(vthis);
    else if(is_undefined(vthis) || is_null(vthis))
        this_obj = lookup_global_host(ctx);
    else
        return E_UNEXPECTED;
 
    obj = get_host_dispatch(this_obj);
    if(!obj) {
        TRACE("no host dispatch\n");
        return E_UNEXPECTED;
    }
 
    if(argc > ARRAYSIZE(buf) && !(dp.rgvarg = malloc(argc * sizeof(*dp.rgvarg)))) {
        IWineJSDispatchHost_Release(obj);
        return E_OUTOFMEMORY;
    }
 
    for(i = 0; i < argc; i++) {
        hres = jsval_to_variant(argv[i], &dp.rgvarg[dp.cArgs - i - 1]);
        if(FAILED(hres))
            break;
    }
 
    if(SUCCEEDED(hres)) {
        V_VT(&retv) = VT_EMPTY;
        hres = IWineJSDispatchHost_CallFunction(obj, function->id, function->iid, function->flags, &dp,
                                                r ? &retv : NULL, &ei, &ctx->jscaller->IServiceProvider_iface);
        if(hres == DISP_E_EXCEPTION)
            handle_dispatch_exception(ctx, &ei);
        if(SUCCEEDED(hres) && r) {
            hres = variant_to_jsval(ctx, &retv, r);
            VariantClear(&retv);
        }
    }
 
    while(i--)
        VariantClear(&dp.rgvarg[dp.cArgs - i - 1]);
    if(dp.rgvarg != buf)
        free(dp.rgvarg);
    IWineJSDispatchHost_Release(obj);
    return hres;
}

HostFunction_destructor()

static void HostFunction_destructor ( FunctionInstance *  func )

static

Definition at line 1055 of file function.c.

{
}

HostFunction_gc_traverse()

static HRESULT HostFunction_gc_traverse ( struct gc_ctx *  gc_ctx, enum gc_traverse_op  op, FunctionInstance *  func  )

static

Definition at line 1059 of file function.c.

{
    return S_OK;
}

HostFunction_get_code()

static function_code_t * HostFunction_get_code ( FunctionInstance *  function )

static

Definition at line 1050 of file function.c.

{
    return NULL;
}

HostFunction_toString()

static HRESULT HostFunction_toString ( FunctionInstance *  func, jsstr_t **  ret  )

static

Definition at line 1044 of file function.c.

{
    HostFunction *function = (HostFunction*)func;
    return native_function_string(function->name, ret);
}

init_function_constr()

HRESULT init_function_constr	(	script_ctx_t *	ctx,
		jsdisp_t *	object_prototype
	)

Definition at line 1476 of file function.c.

{
    NativeFunction *prot, *constr;
    HRESULT hres;
 
    hres = create_function(ctx, &Function_info, &NativeFunctionVtbl, sizeof(NativeFunction), PROPF_CONSTR,
                           TRUE, object_prototype, (void**)&prot);
    if(FAILED(hres))
        return hres;
 
    prot->proc = FunctionProt_value;
    prot->name = L"prototype";
 
    hres = create_function(ctx, &FunctionInst_info, &NativeFunctionVtbl, sizeof(NativeFunction), PROPF_CONSTR|1,
                           TRUE, &prot->function.dispex, (void**)&constr);
    if(SUCCEEDED(hres)) {
        constr->proc = FunctionConstr_value;
        constr->name = L"Function";
        hres = jsdisp_define_data_property(&constr->function.dispex, L"prototype", 0, jsval_obj(&prot->function.dispex));
        if(SUCCEEDED(hres))
            hres = set_constructor_prop(ctx, &constr->function.dispex, &prot->function.dispex);
        if(FAILED(hres))
            jsdisp_release(&constr->function.dispex);
    }
    jsdisp_release(&prot->function.dispex);
    if(FAILED(hres))
        return hres;
 
    ctx->function_constr = &constr->function.dispex;
    return S_OK;
}

Referenced by init_constructors().

init_host_constructor()

HRESULT init_host_constructor	(	script_ctx_t *	ctx,
		IWineJSDispatchHost *	host_constr,
		IWineJSDispatch *	prototype,
		IWineJSDispatch **	ret
	)

Definition at line 1190 of file function.c.

{
    HostConstructor *function;
    HRESULT hres;
 
    hres = create_function(ctx, &HostConstructor_info, &HostConstructorVtbl, sizeof(*function), PROPF_METHOD,
                           FALSE, NULL, (void**)&function);
    if(FAILED(hres))
        return hres;
    function->host_iface = host_constr;
 
    hres = jsdisp_define_data_property(&function->function.dispex, L"prototype", PROPF_WRITABLE | PROPF_CONFIGURABLE,
                                       jsval_disp((IDispatch *)prototype));
    if(FAILED(hres)) {
        IWineJSDispatch_Free(&function->function.dispex.IWineJSDispatch_iface);
        return hres;
    }
 
    *ret = &function->function.dispex.IWineJSDispatch_iface;
    return S_OK;
}

Referenced by WineJScript_InitHostConstructor().

InterpretedFunction_call()

static HRESULT InterpretedFunction_call ( script_ctx_t *  ctx, FunctionInstance *  func, jsval_t  vthis, unsigned  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 875 of file function.c.

{
    InterpretedFunction *function = (InterpretedFunction*)func;
    IDispatch *this_obj = NULL;
    DWORD exec_flags = 0;
    jsdisp_t *new_obj;
    HRESULT hres;
 
    TRACE("%p\n", function);
 
    if(flags & DISPATCH_CONSTRUCT) {
        hres = create_object(ctx, &function->function.dispex, &new_obj);
        if(FAILED(hres))
            return hres;
        this_obj = to_disp(new_obj);
    }else if(is_object_instance(vthis)) {
        this_obj = get_object(vthis);
        IDispatch_AddRef(this_obj);
    }else if(ctx->version >= SCRIPTLANGUAGEVERSION_ES5 && !is_undefined(vthis) && !is_null(vthis)) {
        hres = to_object(ctx, vthis, &this_obj);
        if(FAILED(hres))
            return hres;
    }
 
    if(flags & DISPATCH_JSCRIPT_CALLEREXECSSOURCE)
        exec_flags |= EXEC_RETURN_TO_INTERP;
    if(flags & DISPATCH_CONSTRUCT)
        exec_flags |= EXEC_CONSTRUCTOR;
    hres = exec_source(ctx, exec_flags, function->code, function->func_code, function->scope_chain, this_obj,
                       &function->function.dispex, argc, argv, r);
    if(this_obj)
        IDispatch_Release(this_obj);
    return hres;
}

InterpretedFunction_destructor()

static void InterpretedFunction_destructor ( FunctionInstance *  func )

static

Definition at line 926 of file function.c.

{
    InterpretedFunction *function = (InterpretedFunction*)func;
 
    release_bytecode(function->code);
    if(function->scope_chain)
        scope_release(function->scope_chain);
}

InterpretedFunction_gc_traverse()

static HRESULT InterpretedFunction_gc_traverse ( struct gc_ctx *  gc_ctx, enum gc_traverse_op  op, FunctionInstance *  func  )

static

Definition at line 935 of file function.c.

{
    InterpretedFunction *function = (InterpretedFunction*)func;
 
    if(!function->scope_chain)
        return S_OK;
    return gc_process_linked_obj(gc_ctx, op, &function->function.dispex, &function->scope_chain->dispex,
                                 (void**)&function->scope_chain);
}

InterpretedFunction_get_code()

static function_code_t * InterpretedFunction_get_code ( FunctionInstance *  func )

static

Definition at line 919 of file function.c.

{
    InterpretedFunction *function = (InterpretedFunction*)func;
 
    return function->func_code;
}

InterpretedFunction_get_prototype()

static HRESULT InterpretedFunction_get_prototype ( script_ctx_t *  ctx, jsdisp_t *  jsthis, jsval_t *  r  )

static

Definition at line 833 of file function.c.

{
    jsdisp_t *prototype;
    HRESULT hres;
 
    hres = create_object(ctx, NULL, &prototype);
    if(FAILED(hres))
        return hres;
 
    hres = jsdisp_define_data_property(jsthis, L"prototype", PROPF_WRITABLE, jsval_obj(prototype));
    if(SUCCEEDED(hres))
        hres = set_constructor_prop(ctx, jsthis, prototype);
    if(FAILED(hres)) {
        jsdisp_release(prototype);
        return hres;
    }
 
    *r = jsval_obj(prototype);
    return S_OK;
}

InterpretedFunction_set_prototype()

static HRESULT InterpretedFunction_set_prototype ( script_ctx_t *  ctx, jsdisp_t *  jsthis, jsval_t  value  )

static

Definition at line 854 of file function.c.

{
    return jsdisp_define_data_property(jsthis, L"prototype", PROPF_WRITABLE, value);
}

InterpretedFunction_toString()

static HRESULT InterpretedFunction_toString ( FunctionInstance *  func, jsstr_t **  ret  )

static

Definition at line 911 of file function.c.

{
    InterpretedFunction *function = (InterpretedFunction*)func;
 
    *ret = jsstr_alloc_len(function->func_code->source, function->func_code->source_len);
    return *ret ? S_OK : E_OUTOFMEMORY;
}

is_builtin_eval_func()

BOOL is_builtin_eval_func

(

jsdisp_t *

jsdisp

)

Definition at line 1470 of file function.c.

{
    return is_class(jsdisp, JSCLASS_FUNCTION) && function_from_jsdisp(jsdisp)->vtbl == &NativeFunctionVtbl &&
           ((NativeFunction*)function_from_jsdisp(jsdisp))->proc == JSGlobal_eval;
}

Referenced by interp_call_eval().

native_function_string()

static HRESULT native_function_string ( const WCHAR *  name, jsstr_t **  ret  )

static

Definition at line 372 of file function.c.

{
    DWORD name_len;
    jsstr_t *str;
    WCHAR *ptr;
 
    static const WCHAR native_prefixW[] = L"\nfunction ";
    static const WCHAR native_suffixW[] = L"() {\n    [native code]\n}\n";
 
    name_len = name ? lstrlenW(name) : 0;
    str = jsstr_alloc_buf(ARRAY_SIZE(native_prefixW) + ARRAY_SIZE(native_suffixW) + name_len - 2, &ptr);
    if(!str)
        return E_OUTOFMEMORY;
 
    memcpy(ptr, native_prefixW, sizeof(native_prefixW));
    ptr += ARRAY_SIZE(native_prefixW) - 1;
    memcpy(ptr, name, name_len * sizeof(WCHAR));
    ptr += name_len;
    memcpy(ptr, native_suffixW, sizeof(native_suffixW));
 
    *ret = str;
    return S_OK;
}

Referenced by HostFunction_toString(), and NativeFunction_toString().

NativeFunction_call()

static HRESULT NativeFunction_call ( script_ctx_t *  ctx, FunctionInstance *  func, jsval_t  vthis, unsigned  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 740 of file function.c.

{
    NativeFunction *function = (NativeFunction*)func;
 
    if((flags & DISPATCH_CONSTRUCT) && !(function->function.flags & PROPF_CONSTR))
        return JS_E_INVALID_ACTION;
    return function->proc(ctx, vthis, flags & ~DISPATCH_JSCRIPT_INTERNAL_MASK, argc, argv, r);
}

NativeFunction_destructor()

static void NativeFunction_destructor ( FunctionInstance *  function )

static

Definition at line 761 of file function.c.

{
}

NativeFunction_get_code()

static function_code_t * NativeFunction_get_code ( FunctionInstance *  function )

static

Definition at line 756 of file function.c.

{
    return NULL;
}

NativeFunction_toString()

static HRESULT NativeFunction_toString ( FunctionInstance *  func, jsstr_t **  ret  )

static

Definition at line 750 of file function.c.

{
    NativeFunction *function = (NativeFunction*)func;
    return native_function_string(function->name, ret);
}

no_gc_traverse()

static HRESULT no_gc_traverse ( struct gc_ctx *  gc_ctx, enum gc_traverse_op  op, FunctionInstance *  function  )

static

Definition at line 88 of file function.c.

{
    return S_OK;
}

set_constructor_prop()

static HRESULT set_constructor_prop ( script_ctx_t *  ctx, jsdisp_t *  constr, jsdisp_t *  prot  )

static

Definition at line 803 of file function.c.

{
    return jsdisp_define_data_property(prot, L"constructor", PROPF_WRITABLE | PROPF_CONFIGURABLE,
                                       jsval_obj(constr));
}

Referenced by create_builtin_constructor(), init_function_constr(), and InterpretedFunction_get_prototype().

setup_arguments_object()

HRESULT setup_arguments_object	(	script_ctx_t *	ctx,
		call_frame_t *	frame
	)

Definition at line 259 of file function.c.

{
    ArgumentsInstance *args;
    HRESULT hres;
 
    args = calloc(1, sizeof(*args));
    if(!args)
        return E_OUTOFMEMORY;
 
    hres = init_dispex_from_constr(&args->jsdisp, ctx, ctx->version < SCRIPTLANGUAGEVERSION_ES5 ? &Arguments_info : &Arguments_ES5_info, ctx->object_constr);
    if(FAILED(hres)) {
        free(args);
        return hres;
    }
 
    args->argc = frame->argc;
    args->scope = scope_addref(frame->base_scope);
 
    hres = jsdisp_define_data_property(&args->jsdisp, L"length", PROPF_WRITABLE | PROPF_CONFIGURABLE,
                                       jsval_number(args->argc));
    if(SUCCEEDED(hres))
        hres = jsdisp_define_data_property(&args->jsdisp, L"callee", PROPF_WRITABLE | PROPF_CONFIGURABLE,
                                           jsval_obj(frame->function_instance));
    if(SUCCEEDED(hres))
        hres = jsdisp_propput(as_jsdisp(frame->base_scope->obj), L"arguments", PROPF_WRITABLE, TRUE, jsval_obj(&args->jsdisp));
    if(FAILED(hres)) {
        jsdisp_release(&args->jsdisp);
        return hres;
    }
 
    frame->arguments_obj = &args->jsdisp;
    return S_OK;
}

Referenced by Arguments_get_caller(), detach_variable_object(), and Function_get_arguments().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

jscript

)

Variable Documentation

Arguments_ES5_info

const builtin_info_t Arguments_ES5_info

static

Initial value:

= {
    .class       = JSCLASS_ARGUMENTS,
    .call        = Arguments_value,
    .destructor  = Arguments_destructor,
    .lookup_prop = Arguments_lookup_prop,
    .next_prop   = Arguments_next_prop,
    .prop_get    = Arguments_prop_get,
    .prop_put    = Arguments_prop_put,
    .gc_traverse = Arguments_gc_traverse
}

Definition at line 248 of file function.c.

Referenced by setup_arguments_object().

Arguments_info

const builtin_info_t Arguments_info

static

Initial value:

= {
    .class       = JSCLASS_ARGUMENTS,
    .call        = Arguments_value,
    .props_cnt   = ARRAY_SIZE(Arguments_props),
    .props       = Arguments_props,
    .destructor  = Arguments_destructor,
    .lookup_prop = Arguments_lookup_prop,
    .next_prop   = Arguments_next_prop,
    .prop_get    = Arguments_prop_get,
    .prop_put    = Arguments_prop_put,
    .gc_traverse = Arguments_gc_traverse
}

Definition at line 235 of file function.c.

Referenced by setup_arguments_object().

Arguments_props

const builtin_prop_t Arguments_props[]

static

Initial value:

= {
    {L"caller",              NULL, 0,                        Arguments_get_caller},
}

Definition at line 231 of file function.c.

BindFunction_info

const builtin_info_t BindFunction_info

static

Initial value:

= {
    .class       = JSCLASS_FUNCTION,
    .call        = Function_value,
    .props_cnt   = ARRAY_SIZE(BindFunction_props),
    .props       = BindFunction_props,
    .destructor  = Function_destructor,
    .gc_traverse = Function_gc_traverse
}

Definition at line 1229 of file function.c.

Referenced by create_bind_function().

BindFunction_props

const builtin_prop_t BindFunction_props[]

static

Initial value:

= {
    {L"arguments",           NULL, 0,                        BindFunction_get_arguments},
    {L"caller",              NULL, 0,                        BindFunction_get_caller},
    {L"length",              NULL, 0,                        Function_get_length}
}

Definition at line 1223 of file function.c.

BindFunctionVtbl

const function_vtbl_t BindFunctionVtbl

static

Initial value:

= {
    BindFunction_call,
    BindFunction_toString,
    BindFunction_get_code,
    BindFunction_destructor,
    BindFunction_gc_traverse
}

Definition at line 1310 of file function.c.

Referenced by create_bind_function().

Function_info

const builtin_info_t Function_info

static

Initial value:

= {
    .class       = JSCLASS_FUNCTION,
    .call        = Function_value,
    .props_cnt   = ARRAY_SIZE(Function_props),
    .props       = Function_props,
    .destructor  = Function_destructor,
    .gc_traverse = Function_gc_traverse
}

Definition at line 687 of file function.c.

Referenced by init_function_constr().

Function_props

const builtin_prop_t Function_props[]

static

Initial value:

= {
    {L"apply",               Function_apply,                 PROPF_METHOD|2},
    {L"arguments",           NULL, PROPF_HTML,               Function_get_arguments},
    {L"bind",                Function_bind,                  PROPF_METHOD|PROPF_ES5|1},
    {L"call",                Function_call,                  PROPF_METHOD|1},
    {L"caller",              NULL, PROPF_HTML,               Function_get_caller},
    {L"length",              NULL, 0,                        Function_get_length},
    {L"toString",            Function_toString,              PROPF_METHOD}
}

Definition at line 677 of file function.c.

FunctionInst_info

const builtin_info_t FunctionInst_info

static

Initial value:

= {
    .class       = JSCLASS_FUNCTION,
    .call        = Function_value,
    .props_cnt   = ARRAY_SIZE(FunctionInst_props),
    .props       = FunctionInst_props,
    .destructor  = Function_destructor,
    .gc_traverse = Function_gc_traverse
}

Definition at line 702 of file function.c.

Referenced by create_function(), and init_function_constr().

FunctionInst_props

const builtin_prop_t FunctionInst_props[]

static

Initial value:

= {
    {L"arguments",           NULL, 0,                        Function_get_arguments},
    {L"caller",              NULL, PROPF_HTML,               Function_get_caller},
    {L"length",              NULL, 0,                        Function_get_length}
}

Definition at line 696 of file function.c.

HostConstructor_info

const builtin_info_t HostConstructor_info

static

Initial value:

= {
    .class       = JSCLASS_FUNCTION,
    .addref      = HostConstructor_addref,
    .release     = HostConstructor_release,
    .call        = Function_value,
    .destructor  = Function_destructor,
    .gc_traverse = Function_gc_traverse,
    .lookup_prop = HostConstructor_lookup_prop,
}

Definition at line 1113 of file function.c.

Referenced by init_host_constructor().

HostConstructorVtbl

const function_vtbl_t HostConstructorVtbl

static

Initial value:

= {
    HostConstructor_call,
    HostConstructor_toString,
    HostConstructor_get_code,
    HostConstructor_destructor,
    HostConstructor_gc_traverse
}

Definition at line 1182 of file function.c.

Referenced by init_host_constructor().

HostFunction_info

const builtin_info_t HostFunction_info

static

Initial value:

= {
    .class       = JSCLASS_FUNCTION,
    .call        = Function_value,
    .destructor  = Function_destructor,
    .gc_traverse = Function_gc_traverse
}

Definition at line 978 of file function.c.

Referenced by create_host_function().

HostFunctionVtbl

const function_vtbl_t HostFunctionVtbl

static

Initial value:

= {
    HostFunction_call,
    HostFunction_toString,
    HostFunction_get_code,
    HostFunction_destructor,
    HostFunction_gc_traverse
}

Definition at line 1064 of file function.c.

Referenced by create_host_function().

InterpretedFunction_info

const builtin_info_t InterpretedFunction_info

static

Initial value:

= {
    .class       = JSCLASS_FUNCTION,
    .call        = Function_value,
    .props_cnt   = ARRAY_SIZE(InterpretedFunction_props),
    .props       = InterpretedFunction_props,
    .destructor  = Function_destructor,
    .gc_traverse = Function_gc_traverse
}

Definition at line 866 of file function.c.

Referenced by create_source_function().

InterpretedFunction_props

const builtin_prop_t InterpretedFunction_props[]

static

Initial value:

= {
    {L"arguments",           NULL, 0,                        Function_get_arguments},
    {L"caller",              NULL, PROPF_HTML,               Function_get_caller},
    {L"length",              NULL, 0,                        Function_get_length},
    {L"prototype",           NULL, 0,                        InterpretedFunction_get_prototype, InterpretedFunction_set_prototype}
}

Definition at line 859 of file function.c.

InterpretedFunctionVtbl

const function_vtbl_t InterpretedFunctionVtbl

static

Initial value:

= {
    InterpretedFunction_call,
    InterpretedFunction_toString,
    InterpretedFunction_get_code,
    InterpretedFunction_destructor,
    InterpretedFunction_gc_traverse
}

Definition at line 945 of file function.c.

Referenced by create_source_function().

NativeFunctionVtbl

const function_vtbl_t NativeFunctionVtbl

static

Initial value:

= {
    NativeFunction_call,
    NativeFunction_toString,
    NativeFunction_get_code,
    NativeFunction_destructor,
    no_gc_traverse
}

Definition at line 765 of file function.c.

Referenced by create_builtin_function(), init_function_constr(), and is_builtin_eval_func().