pjs/js/ref/jsfun.h

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C

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef jsfun_h___
#define jsfun_h___
/*
* JS function definitions.
*/
#include "jsprvtd.h"
#include "jspubtd.h"
PR_BEGIN_EXTERN_C
struct JSFunction {
jsrefcount nrefs; /* number of referencing objects */
JSObject *object; /* back-pointer to GC'ed object header */
JSNative call; /* native method pointer or null */
uint16 nargs; /* minimum number of actual arguments */
uint16 extra; /* number of arg slots for local GC roots */
uint16 nvars; /* number of local variables */
uint8 flags; /* bound method and other flags, see jsapi.h */
uint8 spare; /* reserved for future use */
JSAtom *atom; /* name for diagnostics and decompiling */
JSScript *script; /* interpreted bytecode descriptor or null */
};
extern JSClass js_ArgumentsClass;
extern JSClass js_CallClass;
extern JSClass js_ClosureClass;
extern JSClass js_FunctionClass;
/*
* NB: jsapi.h and jsobj.h must be included before any call to this macro.
*/
#define JSVAL_IS_FUNCTION(cx, v) \
(JSVAL_IS_OBJECT(v) && JSVAL_TO_OBJECT(v) && \
OBJ_GET_CLASS(cx, JSVAL_TO_OBJECT(v)) == &js_FunctionClass)
extern JSBool
js_IsIdentifier(JSString *str);
extern JSObject *
js_InitFunctionClass(JSContext *cx, JSObject *obj);
extern JSBool
js_InitArgsCallClosureClasses(JSContext *cx, JSObject *obj,
JSObject *arrayProto);
extern JSFunction *
js_NewFunction(JSContext *cx, JSObject *funobj, JSNative call, uintN nargs,
uintN flags, JSObject *parent, JSAtom *atom);
extern JSBool
js_LinkFunctionObject(JSContext *cx, JSFunction *fun, JSObject *object);
extern JSFunction *
js_DefineFunction(JSContext *cx, JSObject *obj, JSAtom *atom, JSNative call,
uintN nargs, uintN flags);
extern JSFunction *
js_ValueToFunction(JSContext *cx, jsval *vp, JSBool constructing);
extern void
js_ReportIsNotFunction(JSContext *cx, jsval *vp, JSBool constructing);
extern JSObject *
js_GetCallObject(JSContext *cx, JSStackFrame *fp, JSObject *parent,
JSObject *withobj);
extern JSBool
js_PutCallObject(JSContext *cx, JSStackFrame *fp);
extern JSBool
js_GetCallVariable(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
extern JSBool
js_SetCallVariable(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
extern JSObject *
js_GetArgsObject(JSContext *cx, JSStackFrame *fp);
extern JSBool
js_PutArgsObject(JSContext *cx, JSStackFrame *fp);
extern JSBool
js_XDRFunction(JSXDRState *xdr, JSObject **objp);
PR_END_EXTERN_C
#endif /* jsfun_h___ */