jscript.h 17.6 KB
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/*
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 * Copyright 2008-2009 Jacek Caban for CodeWeavers
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 *
 * 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 <stdarg.h>
#include <stdio.h>

#define COBJMACROS

#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "ole2.h"
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#include "dispex.h"
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#include "activscp.h"

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#include "resource.h"

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#include "wine/unicode.h"
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#include "wine/list.h"
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typedef struct _jsval_t jsval_t;
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typedef struct _jsstr_t jsstr_t;
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typedef struct _script_ctx_t script_ctx_t;
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typedef struct _exec_ctx_t exec_ctx_t;
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typedef struct _dispex_prop_t dispex_prop_t;
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typedef struct {
    void **blocks;
    DWORD block_cnt;
    DWORD last_block;
    DWORD offset;
    BOOL mark;
    struct list custom_blocks;
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} heap_pool_t;
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void heap_pool_init(heap_pool_t*) DECLSPEC_HIDDEN;
void *heap_pool_alloc(heap_pool_t*,DWORD) __WINE_ALLOC_SIZE(2) DECLSPEC_HIDDEN;
void *heap_pool_grow(heap_pool_t*,void*,DWORD,DWORD) DECLSPEC_HIDDEN;
void heap_pool_clear(heap_pool_t*) DECLSPEC_HIDDEN;
void heap_pool_free(heap_pool_t*) DECLSPEC_HIDDEN;
heap_pool_t *heap_pool_mark(heap_pool_t*) DECLSPEC_HIDDEN;
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static inline void *heap_alloc(size_t len)
{
    return HeapAlloc(GetProcessHeap(), 0, len);
}

static inline void *heap_alloc_zero(size_t len)
{
    return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
}

static inline void *heap_realloc(void *mem, size_t len)
{
    return HeapReAlloc(GetProcessHeap(), 0, mem, len);
}

static inline BOOL heap_free(void *mem)
{
    return HeapFree(GetProcessHeap(), 0, mem);
}

static inline LPWSTR heap_strdupW(LPCWSTR str)
{
    LPWSTR ret = NULL;

    if(str) {
        DWORD size;

        size = (strlenW(str)+1)*sizeof(WCHAR);
        ret = heap_alloc(size);
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        if(ret)
            memcpy(ret, str, size);
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    }

    return ret;
}

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typedef struct jsdisp_t jsdisp_t;
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extern HINSTANCE jscript_hinstance DECLSPEC_HIDDEN;
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#define PROPF_ARGMASK     0x00ff
#define PROPF_METHOD      0x0100
#define PROPF_ENUM        0x0200
#define PROPF_CONSTR      0x0400
#define PROPF_CONST       0x0800
#define PROPF_DONTDELETE  0x1000
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/* NOTE: Keep in sync with names in Object.toString implementation */
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typedef enum {
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    JSCLASS_NONE,
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    JSCLASS_ARRAY,
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    JSCLASS_BOOLEAN,
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    JSCLASS_DATE,
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    JSCLASS_ERROR,
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    JSCLASS_FUNCTION,
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    JSCLASS_GLOBAL,
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    JSCLASS_MATH,
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    JSCLASS_NUMBER,
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    JSCLASS_OBJECT,
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    JSCLASS_REGEXP,
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    JSCLASS_STRING,
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    JSCLASS_ARGUMENTS,
    JSCLASS_VBARRAY
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} jsclass_t;

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jsdisp_t *iface_to_jsdisp(IUnknown*) DECLSPEC_HIDDEN;
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typedef struct {
    union {
        IDispatch *disp;
        IDispatchEx *dispex;
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        jsdisp_t *jsdisp;
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    } u;
    DWORD flags;
} vdisp_t;

#define VDISP_DISPEX  0x0001
#define VDISP_JSDISP  0x0002

static inline void vdisp_release(vdisp_t *vdisp)
{
    IDispatch_Release(vdisp->u.disp);
}

static inline BOOL is_jsdisp(vdisp_t *vdisp)
{
    return (vdisp->flags & VDISP_JSDISP) != 0;
}

static inline BOOL is_dispex(vdisp_t *vdisp)
{
    return (vdisp->flags & VDISP_DISPEX) != 0;
}

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static inline void set_jsdisp(vdisp_t *vdisp, jsdisp_t *jsdisp)
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{
    vdisp->u.jsdisp = jsdisp;
    vdisp->flags = VDISP_JSDISP | VDISP_DISPEX;
    IDispatch_AddRef(vdisp->u.disp);
}

static inline void set_disp(vdisp_t *vdisp, IDispatch *disp)
{
    IDispatchEx *dispex;
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    jsdisp_t *jsdisp;
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    HRESULT hres;

    jsdisp = iface_to_jsdisp((IUnknown*)disp);
    if(jsdisp) {
        vdisp->u.jsdisp = jsdisp;
        vdisp->flags = VDISP_JSDISP | VDISP_DISPEX;
        return;
    }

    hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
    if(SUCCEEDED(hres)) {
        vdisp->u.dispex = dispex;
        vdisp->flags = VDISP_DISPEX;
        return;
    }

    IDispatch_AddRef(disp);
    vdisp->u.disp = disp;
    vdisp->flags = 0;
}

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static inline jsdisp_t *get_jsdisp(vdisp_t *vdisp)
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{
    return is_jsdisp(vdisp) ? vdisp->u.jsdisp : NULL;
}

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typedef HRESULT (*builtin_invoke_t)(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*);
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typedef struct {
    const WCHAR *name;
    builtin_invoke_t invoke;
    DWORD flags;
} builtin_prop_t;

typedef struct {
    jsclass_t class;
    builtin_prop_t value_prop;
    DWORD props_cnt;
    const builtin_prop_t *props;
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    void (*destructor)(jsdisp_t*);
    void (*on_put)(jsdisp_t*,const WCHAR*);
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    unsigned (*idx_length)(jsdisp_t*);
    HRESULT (*idx_get)(jsdisp_t*,unsigned,jsval_t*);
    HRESULT (*idx_put)(jsdisp_t*,unsigned,jsval_t);
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} builtin_info_t;

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struct jsdisp_t {
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    IDispatchEx IDispatchEx_iface;
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    LONG ref;

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    DWORD buf_size;
    DWORD prop_cnt;
    dispex_prop_t *props;
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    script_ctx_t *ctx;
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    jsdisp_t *prototype;
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    const builtin_info_t *builtin_info;
};
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static inline IDispatch *to_disp(jsdisp_t *jsdisp)
{
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    return (IDispatch*)&jsdisp->IDispatchEx_iface;
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}

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jsdisp_t *as_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
jsdisp_t *to_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
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void jsdisp_free(jsdisp_t*) DECLSPEC_HIDDEN;
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#ifndef TRACE_REFCNT

/*
 * We do a lot of refcount calls during script execution, so having an inline
 * version is a nice perf win. Define TRACE_REFCNT macro when debugging
 * refcount bugs to have traces. Also, since jsdisp_t is not thread safe anyways,
 * there is no point in using atomic operations.
 */
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static inline jsdisp_t *jsdisp_addref(jsdisp_t *jsdisp)
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{
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    jsdisp->ref++;
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    return jsdisp;
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}

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static inline void jsdisp_release(jsdisp_t *jsdisp)
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{
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    if(!--jsdisp->ref)
        jsdisp_free(jsdisp);
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}

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#else

jsdisp_t *jsdisp_addref(jsdisp_t*) DECLSPEC_HIDDEN;
void jsdisp_release(jsdisp_t*) DECLSPEC_HIDDEN;

#endif

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HRESULT create_dispex(script_ctx_t*,const builtin_info_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
HRESULT init_dispex(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*) DECLSPEC_HIDDEN;
HRESULT init_dispex_from_constr(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*) DECLSPEC_HIDDEN;

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HRESULT disp_call(script_ctx_t*,IDispatch*,DISPID,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
HRESULT disp_call_value(script_ctx_t*,IDispatch*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
HRESULT jsdisp_call_value(jsdisp_t*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
HRESULT jsdisp_call(jsdisp_t*,DISPID,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
HRESULT jsdisp_call_name(jsdisp_t*,const WCHAR*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
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;
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HRESULT jsdisp_propput(jsdisp_t*,const WCHAR*,DWORD,jsval_t) DECLSPEC_HIDDEN;
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HRESULT jsdisp_propput_name(jsdisp_t*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;
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HRESULT jsdisp_propput_const(jsdisp_t*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;
HRESULT jsdisp_propput_dontenum(jsdisp_t*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;
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HRESULT jsdisp_propput_idx(jsdisp_t*,DWORD,jsval_t) DECLSPEC_HIDDEN;
HRESULT jsdisp_propget_name(jsdisp_t*,LPCWSTR,jsval_t*) DECLSPEC_HIDDEN;
HRESULT jsdisp_get_idx(jsdisp_t*,DWORD,jsval_t*) DECLSPEC_HIDDEN;
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HRESULT jsdisp_get_id(jsdisp_t*,const WCHAR*,DWORD,DISPID*) DECLSPEC_HIDDEN;
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HRESULT disp_delete(IDispatch*,DISPID,BOOL*) DECLSPEC_HIDDEN;
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HRESULT disp_delete_name(script_ctx_t*,IDispatch*,jsstr_t*,BOOL*);
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HRESULT jsdisp_delete_idx(jsdisp_t*,DWORD) DECLSPEC_HIDDEN;
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HRESULT jsdisp_is_own_prop(jsdisp_t*,const WCHAR*,BOOL*) DECLSPEC_HIDDEN;
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HRESULT jsdisp_is_enumerable(jsdisp_t*,const WCHAR*,BOOL*) DECLSPEC_HIDDEN;
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HRESULT create_builtin_function(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
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        jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
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HRESULT create_builtin_constructor(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
        jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
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HRESULT Function_value(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
HRESULT Function_invoke(jsdisp_t*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;

HRESULT throw_eval_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
HRESULT throw_generic_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
HRESULT throw_range_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
HRESULT throw_reference_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
HRESULT throw_regexp_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
HRESULT throw_syntax_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
HRESULT throw_type_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
HRESULT throw_uri_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
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HRESULT create_object(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
HRESULT create_math(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
HRESULT create_array(script_ctx_t*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
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HRESULT create_regexp(script_ctx_t*,jsstr_t*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
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HRESULT create_regexp_var(script_ctx_t*,jsval_t,jsval_t*,jsdisp_t**) DECLSPEC_HIDDEN;
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HRESULT create_string(script_ctx_t*,jsstr_t*,jsdisp_t**) DECLSPEC_HIDDEN;
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HRESULT create_bool(script_ctx_t*,BOOL,jsdisp_t**) DECLSPEC_HIDDEN;
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HRESULT create_number(script_ctx_t*,double,jsdisp_t**) DECLSPEC_HIDDEN;
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HRESULT create_vbarray(script_ctx_t*,SAFEARRAY*,jsdisp_t**) DECLSPEC_HIDDEN;
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typedef enum {
    NO_HINT,
    HINT_STRING,
    HINT_NUMBER
} hint_t;

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HRESULT to_primitive(script_ctx_t*,jsval_t,jsval_t*, hint_t) DECLSPEC_HIDDEN;
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HRESULT to_boolean(jsval_t,BOOL*) DECLSPEC_HIDDEN;
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HRESULT to_number(script_ctx_t*,jsval_t,double*) DECLSPEC_HIDDEN;
HRESULT to_integer(script_ctx_t*,jsval_t,double*) DECLSPEC_HIDDEN;
HRESULT to_int32(script_ctx_t*,jsval_t,INT*) DECLSPEC_HIDDEN;
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HRESULT to_uint32(script_ctx_t*,jsval_t,UINT32*) DECLSPEC_HIDDEN;
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HRESULT to_string(script_ctx_t*,jsval_t,jsstr_t**) DECLSPEC_HIDDEN;
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HRESULT to_flat_string(script_ctx_t*,jsval_t,jsstr_t**,const WCHAR**) DECLSPEC_HIDDEN;
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HRESULT to_object(script_ctx_t*,jsval_t,IDispatch**) DECLSPEC_HIDDEN;
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HRESULT variant_change_type(script_ctx_t*,VARIANT*,VARIANT*,VARTYPE) DECLSPEC_HIDDEN;

HRESULT decode_source(WCHAR*) DECLSPEC_HIDDEN;
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HRESULT double_to_string(double,jsstr_t**) DECLSPEC_HIDDEN;
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typedef struct named_item_t {
    IDispatch *disp;
    DWORD flags;
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    LPWSTR name;
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    struct named_item_t *next;
} named_item_t;

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typedef struct _cc_var_t cc_var_t;

typedef struct {
    cc_var_t *vars;
} cc_ctx_t;

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void release_cc(cc_ctx_t*) DECLSPEC_HIDDEN;
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typedef struct {
    IServiceProvider IServiceProvider_iface;

    LONG ref;

    script_ctx_t *ctx;
} JSCaller;

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#include "jsval.h"

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typedef struct {
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    EXCEPINFO ei;
    jsval_t val;
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} jsexcept_t;
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typedef struct {
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    unsigned index;
    unsigned length;
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} match_result_t;

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struct _script_ctx_t {
    LONG ref;

    SCRIPTSTATE state;
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    IActiveScript *active_script;
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    exec_ctx_t *exec_ctx;
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    named_item_t *named_items;
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    IActiveScriptSite *site;
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    IInternetHostSecurityManager *secmgr;
    DWORD safeopt;
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    DWORD version;
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    LCID lcid;
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    cc_ctx_t *cc;
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    JSCaller *jscaller;
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    jsexcept_t ei;
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    heap_pool_t tmp_heap;
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    IDispatch *host_global;

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    jsstr_t *last_match;
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    match_result_t match_parens[9];
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    DWORD last_match_index;
    DWORD last_match_length;

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    jsdisp_t *global;
    jsdisp_t *function_constr;
    jsdisp_t *activex_constr;
    jsdisp_t *array_constr;
    jsdisp_t *bool_constr;
    jsdisp_t *date_constr;
    jsdisp_t *error_constr;
    jsdisp_t *eval_error_constr;
    jsdisp_t *range_error_constr;
    jsdisp_t *reference_error_constr;
    jsdisp_t *regexp_error_constr;
    jsdisp_t *syntax_error_constr;
    jsdisp_t *type_error_constr;
    jsdisp_t *uri_error_constr;
    jsdisp_t *number_constr;
    jsdisp_t *object_constr;
    jsdisp_t *regexp_constr;
    jsdisp_t *string_constr;
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    jsdisp_t *vbarray_constr;
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};
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void script_release(script_ctx_t*) DECLSPEC_HIDDEN;
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void clear_ei(script_ctx_t*) DECLSPEC_HIDDEN;
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static inline void script_addref(script_ctx_t *ctx)
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{
    ctx->ref++;
}

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HRESULT init_global(script_ctx_t*) DECLSPEC_HIDDEN;
HRESULT init_function_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
HRESULT create_object_prototype(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
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HRESULT create_activex_constr(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
HRESULT create_array_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
HRESULT create_bool_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
HRESULT create_date_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
HRESULT init_error_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
HRESULT create_number_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
HRESULT create_object_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
HRESULT create_regexp_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
HRESULT create_string_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
HRESULT create_vbarray_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
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IUnknown *create_ax_site(script_ctx_t*) DECLSPEC_HIDDEN;
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HRESULT create_jscaller(script_ctx_t*) DECLSPEC_HIDDEN;
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#define REM_CHECK_GLOBAL   0x0001
#define REM_RESET_INDEX    0x0002
#define REM_NO_CTX_UPDATE  0x0004
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#define REM_ALLOC_RESULT   0x0008
#define REM_NO_PARENS      0x0010
struct match_state_t;
HRESULT regexp_match_next(script_ctx_t*,jsdisp_t*,DWORD,jsstr_t*,struct match_state_t**) DECLSPEC_HIDDEN;
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HRESULT parse_regexp_flags(const WCHAR*,DWORD,DWORD*) DECLSPEC_HIDDEN;
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HRESULT regexp_string_match(script_ctx_t*,jsdisp_t*,jsstr_t*,jsval_t*) DECLSPEC_HIDDEN;
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static inline BOOL is_class(jsdisp_t *jsdisp, jsclass_t class)
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{
    return jsdisp->builtin_info->class == class;
}

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static inline BOOL is_vclass(vdisp_t *vdisp, jsclass_t class)
{
    return is_jsdisp(vdisp) && is_class(vdisp->u.jsdisp, class);
}

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#ifndef INT32_MIN
#define INT32_MIN (-2147483647-1)
#endif

#ifndef INT32_MAX
#define INT32_MAX (2147483647)
#endif

static inline BOOL is_int32(double d)
{
    return INT32_MIN <= d && d <= INT32_MAX && (double)(int)d == d;
}

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static inline DWORD make_grfdex(script_ctx_t *ctx, DWORD flags)
{
    return (ctx->version << 28) | flags;
}

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#define FACILITY_JSCRIPT 10

#define MAKE_JSERROR(code) MAKE_HRESULT(SEVERITY_ERROR, FACILITY_JSCRIPT, code)

#define JS_E_TO_PRIMITIVE            MAKE_JSERROR(IDS_TO_PRIMITIVE)
#define JS_E_INVALIDARG              MAKE_JSERROR(IDS_INVALID_CALL_ARG)
#define JS_E_SUBSCRIPT_OUT_OF_RANGE  MAKE_JSERROR(IDS_SUBSCRIPT_OUT_OF_RANGE)
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#define JS_E_OBJECT_REQUIRED         MAKE_JSERROR(IDS_OBJECT_REQUIRED)
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#define JS_E_CANNOT_CREATE_OBJ       MAKE_JSERROR(IDS_CREATE_OBJ_ERROR)
#define JS_E_INVALID_PROPERTY        MAKE_JSERROR(IDS_NO_PROPERTY)
#define JS_E_INVALID_ACTION          MAKE_JSERROR(IDS_UNSUPPORTED_ACTION)
#define JS_E_MISSING_ARG             MAKE_JSERROR(IDS_ARG_NOT_OPT)
#define JS_E_SYNTAX                  MAKE_JSERROR(IDS_SYNTAX_ERROR)
#define JS_E_MISSING_SEMICOLON       MAKE_JSERROR(IDS_SEMICOLON)
#define JS_E_MISSING_LBRACKET        MAKE_JSERROR(IDS_LBRACKET)
#define JS_E_MISSING_RBRACKET        MAKE_JSERROR(IDS_RBRACKET)
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#define JS_E_INVALID_CHAR            MAKE_JSERROR(IDS_INVALID_CHAR)
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#define JS_E_UNTERMINATED_STRING     MAKE_JSERROR(IDS_UNTERMINATED_STR)
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#define JS_E_MISPLACED_RETURN        MAKE_JSERROR(IDS_MISPLACED_RETURN)
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#define JS_E_INVALID_BREAK           MAKE_JSERROR(IDS_INVALID_BREAK)
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#define JS_E_INVALID_CONTINUE        MAKE_JSERROR(IDS_INVALID_CONTINUE)
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#define JS_E_LABEL_REDEFINED         MAKE_JSERROR(IDS_LABEL_REDEFINED)
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#define JS_E_LABEL_NOT_FOUND         MAKE_JSERROR(IDS_LABEL_NOT_FOUND)
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#define JS_E_DISABLED_CC             MAKE_JSERROR(IDS_DISABLED_CC)
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#define JS_E_FUNCTION_EXPECTED       MAKE_JSERROR(IDS_NOT_FUNC)
#define JS_E_DATE_EXPECTED           MAKE_JSERROR(IDS_NOT_DATE)
#define JS_E_NUMBER_EXPECTED         MAKE_JSERROR(IDS_NOT_NUM)
#define JS_E_OBJECT_EXPECTED         MAKE_JSERROR(IDS_OBJECT_EXPECTED)
#define JS_E_ILLEGAL_ASSIGN          MAKE_JSERROR(IDS_ILLEGAL_ASSIGN)
#define JS_E_UNDEFINED_VARIABLE      MAKE_JSERROR(IDS_UNDEFINED)
#define JS_E_BOOLEAN_EXPECTED        MAKE_JSERROR(IDS_NOT_BOOL)
#define JS_E_VBARRAY_EXPECTED        MAKE_JSERROR(IDS_NOT_VBARRAY)
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#define JS_E_INVALID_DELETE          MAKE_JSERROR(IDS_INVALID_DELETE)
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#define JS_E_JSCRIPT_EXPECTED        MAKE_JSERROR(IDS_JSCRIPT_EXPECTED)
#define JS_E_REGEXP_SYNTAX           MAKE_JSERROR(IDS_REGEXP_SYNTAX_ERROR)
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#define JS_E_INVALID_URI_CODING      MAKE_JSERROR(IDS_URI_INVALID_CODING)
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#define JS_E_INVALID_URI_CHAR        MAKE_JSERROR(IDS_URI_INVALID_CHAR)
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#define JS_E_FRACTION_DIGITS_OUT_OF_RANGE MAKE_JSERROR(IDS_FRACTION_DIGITS_OUT_OF_RANGE)
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#define JS_E_PRECISION_OUT_OF_RANGE  MAKE_JSERROR(IDS_PRECISION_OUT_OF_RANGE)
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#define JS_E_INVALID_LENGTH          MAKE_JSERROR(IDS_INVALID_LENGTH)
#define JS_E_ARRAY_EXPECTED          MAKE_JSERROR(IDS_ARRAY_EXPECTED)

static inline BOOL is_jscript_error(HRESULT hres)
{
    return HRESULT_FACILITY(hres) == FACILITY_JSCRIPT;
}

528
const char *debugstr_variant(const VARIANT*) DECLSPEC_HIDDEN;
529
const char *debugstr_jsval(const jsval_t) DECLSPEC_HIDDEN;
530

531
HRESULT create_jscript_object(BOOL,REFIID,void**) DECLSPEC_HIDDEN;
532

533
extern LONG module_ref DECLSPEC_HIDDEN;
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static inline void lock_module(void)
{
    InterlockedIncrement(&module_ref);
}

static inline void unlock_module(void)
{
    InterlockedDecrement(&module_ref);
}