gecko-dev/js/public/OldDebugAPI.h

149 lines
4.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sts=4 et sw=4 tw=99:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef js_OldDebugAPI_h
#define js_OldDebugAPI_h
/*
* JS debugger API.
*/
#include "mozilla/NullPtr.h"
#include "jsapi.h"
#include "jsbytecode.h"
#include "js/CallArgs.h"
#include "js/TypeDecls.h"
class JSAtom;
struct JSFreeOp;
namespace js {
class InterpreterFrame;
class FrameIter;
class ScriptSource;
}
namespace JS {
extern JS_PUBLIC_API(char *)
FormatStackDump(JSContext *cx, char *buf, bool showArgs, bool showLocals, bool showThisProps);
} // namespace JS
# ifdef JS_DEBUG
JS_FRIEND_API(void) js_DumpValue(const JS::Value &val);
JS_FRIEND_API(void) js_DumpId(jsid id);
JS_FRIEND_API(void) js_DumpInterpreterFrame(JSContext *cx, js::InterpreterFrame *start = nullptr);
# endif
JS_FRIEND_API(void)
js_DumpBacktrace(JSContext *cx);
typedef enum JSTrapStatus {
JSTRAP_ERROR,
JSTRAP_CONTINUE,
JSTRAP_RETURN,
JSTRAP_THROW,
JSTRAP_LIMIT
} JSTrapStatus;
extern JS_PUBLIC_API(JSString *)
JS_DecompileScript(JSContext *cx, JS::HandleScript script, const char *name, unsigned indent);
/*
* Currently, we only support runtime-wide debugging. In the future, we should
* be able to support compartment-wide debugging.
*/
extern JS_PUBLIC_API(void)
JS_SetRuntimeDebugMode(JSRuntime *rt, bool debug);
/*
* Debug mode is a compartment-wide mode that enables a debugger to attach
* to and interact with running methodjit-ed frames. In particular, it causes
* every function to be compiled as if an eval was present (so eval-in-frame)
* can work, and it ensures that functions can be re-JITed for other debug
* features. In general, it is not safe to interact with frames that were live
* before debug mode was enabled. For this reason, it is also not safe to
* enable debug mode while frames are live.
*/
/* Get current state of debugging mode. */
extern JS_PUBLIC_API(bool)
JS_GetDebugMode(JSContext *cx);
/*
* Turn on/off debugging mode for all compartments. This returns false if any code
* from any of the runtime's compartments is running or on the stack.
*/
JS_FRIEND_API(bool)
JS_SetDebugModeForAllCompartments(JSContext *cx, bool debug);
/*
* Turn on/off debugging mode for a single compartment. This should only be
* used when no code from this compartment is running or on the stack in any
* thread.
*/
JS_FRIEND_API(bool)
JS_SetDebugModeForCompartment(JSContext *cx, JSCompartment *comp, bool debug);
/*
* Turn on/off debugging mode for a context's compartment.
*/
JS_FRIEND_API(bool)
JS_SetDebugMode(JSContext *cx, bool debug);
/************************************************************************/
// Raw JSScript* because this needs to be callable from a signal handler.
extern JS_PUBLIC_API(unsigned)
JS_PCToLineNumber(JSContext *cx, JSScript *script, jsbytecode *pc);
extern JS_PUBLIC_API(jsbytecode *)
JS_LineNumberToPC(JSContext *cx, JSScript *script, unsigned lineno);
extern JS_PUBLIC_API(JSScript *)
JS_GetFunctionScript(JSContext *cx, JS::HandleFunction fun);
/************************************************************************/
extern JS_PUBLIC_API(const char *)
JS_GetScriptFilename(JSScript *script);
extern JS_PUBLIC_API(const jschar *)
JS_GetScriptSourceMap(JSContext *cx, JSScript *script);
extern JS_PUBLIC_API(unsigned)
JS_GetScriptBaseLineNumber(JSContext *cx, JSScript *script);
extern JS_PUBLIC_API(unsigned)
JS_GetScriptLineExtent(JSContext *cx, JSScript *script);
/************************************************************************/
/**
* Add various profiling-related functions as properties of the given object.
*/
extern JS_PUBLIC_API(bool)
JS_DefineProfilingFunctions(JSContext *cx, JSObject *obj);
/* Defined in vm/Debugger.cpp. */
extern JS_PUBLIC_API(bool)
JS_DefineDebuggerObject(JSContext *cx, JS::HandleObject obj);
extern JS_PUBLIC_API(void)
JS_DumpPCCounts(JSContext *cx, JS::HandleScript script);
extern JS_PUBLIC_API(void)
JS_DumpCompartmentPCCounts(JSContext *cx);
#endif /* js_OldDebugAPI_h */