зеркало из https://github.com/mozilla/gecko-dev.git
149 строки
5.6 KiB
C
149 строки
5.6 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef jsprvtd_h___
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#define jsprvtd_h___
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/*
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* JS private typename definitions.
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*
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* This header is included only in other .h files, for convenience and for
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* simplicity of type naming. The alternative for structures is to use tags,
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* which are named the same as their typedef names (legal in C/C++, and less
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* noisy than suffixing the typedef name with "Struct" or "Str"). Instead,
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* all .h files that include this file may use the same typedef name, whether
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* declaring a pointer to struct type, or defining a member of struct type.
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*
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* A few fundamental scalar types are defined here too. Neither the scalar
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* nor the struct typedefs should change much, therefore the nearly-global
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* make dependency induced by this file should not prove painful.
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*/
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#include "jspubtd.h"
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/* Scalar typedefs. */
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typedef uint8 jsbytecode;
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typedef uint8 jssrcnote;
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typedef uint32 jsatomid;
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/* Struct typedefs. */
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typedef struct JSCodeGenerator JSCodeGenerator;
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typedef struct JSGCThing JSGCThing;
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typedef struct JSParseNode JSParseNode;
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typedef struct JSSharpObjectMap JSSharpObjectMap;
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typedef struct JSToken JSToken;
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typedef struct JSTokenPos JSTokenPos;
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typedef struct JSTokenPtr JSTokenPtr;
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typedef struct JSTokenStream JSTokenStream;
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typedef struct JSTreeContext JSTreeContext;
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typedef struct JSTryNote JSTryNote;
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/* Friend "Advanced API" typedefs. */
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typedef struct JSAtom JSAtom;
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typedef struct JSAtomList JSAtomList;
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typedef struct JSAtomListElement JSAtomListElement;
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typedef struct JSAtomMap JSAtomMap;
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typedef struct JSAtomState JSAtomState;
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typedef struct JSCodeSpec JSCodeSpec;
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typedef struct JSPrinter JSPrinter;
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typedef struct JSRegExp JSRegExp;
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typedef struct JSRegExpStatics JSRegExpStatics;
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typedef struct JSScope JSScope;
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typedef struct JSScopeOps JSScopeOps;
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typedef struct JSScopeProperty JSScopeProperty;
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typedef struct JSStackFrame JSStackFrame;
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typedef struct JSSubString JSSubString;
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typedef struct JSSymbol JSSymbol;
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/* "Friend" types used by jscntxt.h and jsdbgapi.h. */
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typedef enum JSTrapStatus {
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JSTRAP_ERROR,
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JSTRAP_CONTINUE,
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JSTRAP_RETURN,
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JSTRAP_LIMIT
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} JSTrapStatus;
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#ifndef CRT_CALL
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#ifdef XP_OS2
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#define CRT_CALL _Optlink
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#else
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#define CRT_CALL
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#endif
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#endif
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typedef JSTrapStatus
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(* CRT_CALL JSTrapHandler)(JSContext *cx, JSScript *script, jsbytecode *pc,
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jsval *rval, void *closure);
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typedef JSBool
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(* CRT_CALL JSWatchPointHandler)(JSContext *cx, JSObject *obj, jsval id,
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jsval old, jsval *newp, void *closure);
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/* called just after script creation */
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typedef void
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(* CRT_CALL JSNewScriptHook)(JSContext *cx,
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const char *filename, /* URL of script */
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uintN lineno, /* line script starts */
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JSScript *script,
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JSFunction *fun,
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void *callerdata);
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/* called just before script destruction */
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typedef void
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(* CRT_CALL JSDestroyScriptHook)(JSContext *cx,
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JSScript *script,
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void *callerdata);
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typedef void
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(* CRT_CALL JSSourceHandler)(const char *filename, uintN lineno,
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jschar *str, size_t length,
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void **listenerTSData, void *closure);
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/*
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* This hook captures high level script execution and function calls
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* (JS or native).
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* It is used by JS_SetExecuteHook to hook top level scripts and by
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* JS_SetCallHook to hook function calls.
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* It will get called twice per script or function call:
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* just before execution begins and just after it finishes. In both cases
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* the 'current' frame is that of the executing code.
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*
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* The 'before' param is JS_TRUE for the hook invocation before the execution
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* and JS_FALSE for the invocation after the code has run.
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*
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* The 'ok' param is significant only on the post execution invocation to
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* signify whether or not the code completed 'normally'.
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*
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* The 'closure' param is as passed to JS_SetExecuteHook or JS_SetCallHook
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* for the 'before'invocation, but is whatever value is returned from that
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* invocation for the 'after' invocation. Thus, the hook implementor *could*
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* allocate a stucture in the 'before' invocation and return a pointer
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* to that structure. The pointer would then be handed to the hook for
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* the 'after' invocation. Alternately, the 'before' could just return the
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* same value as in 'closure' to cause the 'after' invocation to be called
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* with the same 'closure' value as the 'before'.
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*
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* Returning NULL in the 'before' hook will cause the 'after' hook to
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* NOT be called.
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*/
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typedef void *
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(* CRT_CALL JSInterpreterHook)(JSContext *cx, JSStackFrame *fp, JSBool before,
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JSBool *ok, void *closure);
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#endif /* jsprvtd_h___ */
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