mirror of
https://github.com/mozilla/gecko-dev.git
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373 lines
10 KiB
C++
373 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef JSDSERVICE_H___
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#define JSDSERVICE_H___
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#include "jsdIDebuggerService.h"
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#include "jsdebug.h"
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#include "nsString.h"
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#include "nsCOMPtr.h"
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#include "nspr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "mozilla/Attributes.h"
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// #if defined(DEBUG_rginda_l)
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// # define DEBUG_verbose
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// #endif
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struct LiveEphemeral {
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/* link in a chain of live values list */
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PRCList links;
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jsdIEphemeral *value;
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void *key;
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};
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struct PCMapEntry {
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uint32_t pc, line;
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};
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/*******************************************************************************
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* reflected jsd data structures
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*******************************************************************************/
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class jsdObject MOZ_FINAL : public jsdIObject
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_JSDIOBJECT
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/* you'll normally use use FromPtr() instead of directly constructing one */
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jsdObject (JSDContext *aCx, JSDObject *aObject) :
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mCx(aCx), mObject(aObject)
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{
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}
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static jsdIObject *FromPtr (JSDContext *aCx,
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JSDObject *aObject)
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{
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if (!aObject)
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return nullptr;
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jsdIObject *rv = new jsdObject (aCx, aObject);
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NS_IF_ADDREF(rv);
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return rv;
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}
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private:
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jsdObject(); /* no implementation */
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jsdObject(const jsdObject&); /* no implementation */
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JSDContext *mCx;
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JSDObject *mObject;
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};
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class jsdProperty : public jsdIProperty
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_JSDIPROPERTY
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NS_DECL_JSDIEPHEMERAL
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jsdProperty (JSDContext *aCx, JSDProperty *aProperty);
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virtual ~jsdProperty ();
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static jsdIProperty *FromPtr (JSDContext *aCx,
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JSDProperty *aProperty)
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{
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if (!aProperty)
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return nullptr;
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jsdIProperty *rv = new jsdProperty (aCx, aProperty);
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NS_IF_ADDREF(rv);
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return rv;
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}
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static void InvalidateAll();
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private:
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jsdProperty(); /* no implementation */
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jsdProperty(const jsdProperty&); /* no implementation */
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bool mValid;
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LiveEphemeral mLiveListEntry;
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JSDContext *mCx;
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JSDProperty *mProperty;
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};
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class jsdScript : public jsdIScript
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_JSDISCRIPT
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NS_DECL_JSDIEPHEMERAL
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/* you'll normally use use FromPtr() instead of directly constructing one */
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jsdScript (JSDContext *aCx, JSDScript *aScript);
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virtual ~jsdScript();
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static jsdIScript *FromPtr (JSDContext *aCx, JSDScript *aScript)
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{
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if (!aScript)
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return nullptr;
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void *data = JSD_GetScriptPrivate (aScript);
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jsdIScript *rv;
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if (data) {
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rv = static_cast<jsdIScript *>(data);
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} else {
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rv = new jsdScript (aCx, aScript);
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NS_IF_ADDREF(rv); /* addref for the SetScriptPrivate, released in
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* Invalidate() */
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JSD_SetScriptPrivate (aScript, static_cast<void *>(rv));
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}
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NS_IF_ADDREF(rv); /* addref for return value */
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return rv;
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}
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static void InvalidateAll();
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private:
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static uint32_t LastTag;
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jsdScript(); /* no implementation */
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jsdScript (const jsdScript&); /* no implementation */
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PCMapEntry* CreatePPLineMap();
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uint32_t PPPcToLine(uint32_t aPC);
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uint32_t PPLineToPc(uint32_t aLine);
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bool mValid;
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uint32_t mTag;
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JSDContext *mCx;
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JSDScript *mScript;
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nsCString *mFileName;
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nsCString *mFunctionName;
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uint32_t mBaseLineNumber, mLineExtent;
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PCMapEntry *mPPLineMap;
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uint32_t mPCMapSize;
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uintptr_t mFirstPC;
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};
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uint32_t jsdScript::LastTag = 0;
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class jsdContext : public jsdIContext
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_JSDICONTEXT
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NS_DECL_JSDIEPHEMERAL
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jsdContext (JSDContext *aJSDCx, JSContext *aJSCx, nsISupports *aISCx);
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virtual ~jsdContext();
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static void InvalidateAll();
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static jsdIContext *FromPtr (JSDContext *aJSDCx, JSContext *aJSCx);
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private:
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static uint32_t LastTag;
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jsdContext (); /* no implementation */
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jsdContext (const jsdContext&); /* no implementation */
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bool mValid;
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LiveEphemeral mLiveListEntry;
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uint32_t mTag;
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JSDContext *mJSDCx;
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JSContext *mJSCx;
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nsCOMPtr<nsISupports> mISCx;
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};
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uint32_t jsdContext::LastTag = 0;
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class jsdStackFrame : public jsdIStackFrame
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_JSDISTACKFRAME
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NS_DECL_JSDIEPHEMERAL
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/* you'll normally use use FromPtr() instead of directly constructing one */
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jsdStackFrame (JSDContext *aCx, JSDThreadState *aThreadState,
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JSDStackFrameInfo *aStackFrameInfo);
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virtual ~jsdStackFrame();
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static void InvalidateAll();
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static jsdIStackFrame* FromPtr (JSDContext *aCx,
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JSDThreadState *aThreadState,
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JSDStackFrameInfo *aStackFrameInfo);
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private:
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jsdStackFrame(); /* no implementation */
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jsdStackFrame(const jsdStackFrame&); /* no implementation */
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bool mValid;
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LiveEphemeral mLiveListEntry;
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JSDContext *mCx;
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JSDThreadState *mThreadState;
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JSDStackFrameInfo *mStackFrameInfo;
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};
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class jsdValue : public jsdIValue
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_JSDIVALUE
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NS_DECL_JSDIEPHEMERAL
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/* you'll normally use use FromPtr() instead of directly constructing one */
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jsdValue (JSDContext *aCx, JSDValue *aValue);
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virtual ~jsdValue();
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static jsdIValue *FromPtr (JSDContext *aCx, JSDValue *aValue);
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static void InvalidateAll();
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private:
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jsdValue(); /* no implementation */
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jsdValue (const jsdScript&); /* no implementation */
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bool mValid;
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LiveEphemeral mLiveListEntry;
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JSDContext *mCx;
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JSDValue *mValue;
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};
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/******************************************************************************
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* debugger service
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******************************************************************************/
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class jsdService : public jsdIDebuggerService
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_JSDIDEBUGGERSERVICE
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NS_DECL_CYCLE_COLLECTION_CLASS(jsdService)
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jsdService() : mOn(false), mPauseLevel(0),
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mNestedLoopLevel(0), mCx(0), mRuntime(0), mErrorHook(0),
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mBreakpointHook(0), mDebugHook(0), mDebuggerHook(0),
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mInterruptHook(0), mScriptHook(0), mThrowHook(0),
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mTopLevelHook(0), mFunctionHook(0)
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{
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}
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virtual ~jsdService();
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static jsdService *GetService ();
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bool CheckInterruptHook() { return !!mInterruptHook; }
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nsresult DoPause(uint32_t *_rval, bool internalCall);
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nsresult DoUnPause(uint32_t *_rval, bool internalCall);
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private:
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bool mOn;
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uint32_t mPauseLevel;
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uint32_t mNestedLoopLevel;
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JSDContext *mCx;
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JSRuntime *mRuntime;
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nsCOMPtr<jsdIErrorHook> mErrorHook;
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nsCOMPtr<jsdIExecutionHook> mBreakpointHook;
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nsCOMPtr<jsdIExecutionHook> mDebugHook;
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nsCOMPtr<jsdIExecutionHook> mDebuggerHook;
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nsCOMPtr<jsdIExecutionHook> mInterruptHook;
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nsCOMPtr<jsdIScriptHook> mScriptHook;
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nsCOMPtr<jsdIExecutionHook> mThrowHook;
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nsCOMPtr<jsdICallHook> mTopLevelHook;
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nsCOMPtr<jsdICallHook> mFunctionHook;
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nsCOMPtr<jsdIActivationCallback> mActivationCallback;
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};
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#endif /* JSDSERVICE_H___ */
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/* graveyard */
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#if 0
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class jsdContext : public jsdIContext
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_JSDICONTEXT
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/* you'll normally use use FromPtr() instead of directly constructing one */
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jsdContext (JSDContext *aCx) : mCx(aCx)
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{
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printf ("++++++ jsdContext\n");
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}
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static jsdIContext *FromPtr (JSDContext *aCx)
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{
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if (!aCx)
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return nullptr;
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void *data = JSD_GetContextPrivate (aCx);
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jsdIContext *rv;
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if (data) {
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rv = static_cast<jsdIContext *>(data);
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} else {
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rv = new jsdContext (aCx);
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NS_IF_ADDREF(rv); // addref for the SetContextPrivate
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JSD_SetContextPrivate (aCx, static_cast<void *>(rv));
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}
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NS_IF_ADDREF(rv); // addref for the return value
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return rv;
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}
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virtual ~jsdContext() { printf ("------ ~jsdContext\n"); }
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private:
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jsdContext(); /* no implementation */
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jsdContext(const jsdContext&); /* no implementation */
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JSDContext *mCx;
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};
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class jsdThreadState : public jsdIThreadState
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_JSDITHREADSTATE
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/* you'll normally use use FromPtr() instead of directly constructing one */
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jsdThreadState (JSDContext *aCx, JSDThreadState *aThreadState) :
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mCx(aCx), mThreadState(aThreadState)
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{
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}
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/* XXX These things are only valid for a short period of time, they reflect
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* state in the js engine that will go away after stepping past wherever
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* we were stopped at when this was created. We could keep a list of every
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* instance of this we've created, and "invalidate" them before we let the
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* engine continue. The next time we need a threadstate, we can search the
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* list to find an invalidated one, and just reuse it.
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*/
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static jsdIThreadState *FromPtr (JSDContext *aCx,
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JSDThreadState *aThreadState)
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{
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if (!aThreadState)
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return nullptr;
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jsdIThreadState *rv = new jsdThreadState (aCx, aThreadState);
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NS_IF_ADDREF(rv);
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return rv;
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}
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private:
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jsdThreadState(); /* no implementation */
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jsdThreadState(const jsdThreadState&); /* no implementation */
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JSDContext *mCx;
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JSDThreadState *mThreadState;
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};
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#endif
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