gecko-dev/js/ref/jsscript.h
fur 6b433caaaa (This code is not built by any flavor of Navigator)
Initial check-in to mozilla tree: JSRef development is migrating from
JSFUN13_BRANCH of /m/src repository to /m/pub
1998-04-24 01:35:13 +00:00

93 lines
3.0 KiB
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 jsscript_h___
#define jsscript_h___
/*
* JS script descriptor.
*/
#include "jsatom.h"
#include "jsprvtd.h"
PR_BEGIN_EXTERN_C
/*
* Exception handling information.
* All fields are code offsets, relative to the beginning of the script.
*/
struct JSTryNote {
ptrdiff_t start; /* beginning of try{} region */
ptrdiff_t end; /* end of try{} region */
ptrdiff_t catch; /* beginning of catch{} (backptr during CG) */
ptrdiff_t finally; /* beginning of finally handler */
};
struct JSScript {
jsbytecode *code; /* bytecodes and their immediate operands */
uint32 length; /* length of code vector */
JSAtomMap atomMap; /* maps immediate index to literal struct */
const char *filename; /* source filename or null */
uintN lineno; /* base line number of script */
uintN depth; /* maximum stack depth in slots */
jssrcnote *notes; /* line number and other decompiling data */
JSTryNote *trynotes; /* exception table for this script */
JSPrincipals *principals; /* principals for this script */
void *javaData; /* XXX extra data used by jsjava.c */
JSObject *object; /* optional Script-class object wrapper */
};
extern JSClass js_ScriptClass;
extern JSObject *
js_InitScriptClass(JSContext *cx, JSObject *obj);
extern JSScript *
js_NewScript(JSContext *cx, uint32 length);
extern JSScript *
js_NewScriptFromParams(JSContext *cx, jsbytecode *code, uint32 length,
const char *filename, uintN lineno, uintN depth,
jssrcnote *notes, JSTryNote *trynotes,
JSPrincipals *principals);
extern JS_FRIEND_API(JSScript *)
js_NewScriptFromCG(JSContext *cx, JSCodeGenerator *cg, JSFunction *fun);
extern void
js_DestroyScript(JSContext *cx, JSScript *script);
extern jssrcnote *
js_GetSrcNote(JSScript *script, jsbytecode *pc);
extern uintN
js_PCToLineNumber(JSScript *script, jsbytecode *pc);
extern jsbytecode *
js_LineNumberToPC(JSScript *script, uintN lineno);
extern uintN
js_GetScriptLineExtent(JSScript *script);
extern JSBool
js_XDRScript(JSXDRState *xdr, JSScript **scriptp, JSBool *magic);
PR_END_EXTERN_C
#endif /* jsscript_h___ */