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Mozilla/mozilla/js/ref/jsd/jsd.h
fur dffbf084ac (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


git-svn-id: svn://10.0.0.236/trunk@582 18797224-902f-48f8-a5cc-f745e15eee43
1998-04-24 01:35:13 +00:00

626 lines
19 KiB
C
Raw Blame History

/* -*- 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.
*/
/*
* Header for JavaScript Debugger module internal stuff
*/
#ifndef jsd_h___
#define jsd_h___
/* Get prtypes.h included first. After that we can use PR macros for doing
* this extern "C" stuff!
*/
#ifdef __cplusplus
extern "C"
{
#endif
#include "prtypes.h"
#ifdef __cplusplus
}
#endif
PR_BEGIN_EXTERN_C
#include "jsdebug.h"
#include "jsdbgapi.h"
#include "jsd_lock.h" /* ifdef NETSCAPE_INTERNAL then defines JSD_THREADSAFE*/
#include "prprintf.h"
#include "prassert.h" /* for PR_ASSERT */
#include "prhash.h"
#include "prclist.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef LIVEWIRE
#include <base/pblock.h>
#include <base/session.h>
#include <frame/log.h>
#include <frame/req.h>
#endif /* LIVEWIRE */
PR_END_EXTERN_C
PR_BEGIN_EXTERN_C
#define JSD_MAJOR_VERSION 1
#define JSD_MINOR_VERSION 0
#define MY_XP_STRDUP strdup
#define MY_XP_FREE free
#define MY_XP_STRNCASECMP strncasecomp
#define MY_XP_TO_LOWER tolower
#ifdef XP_WIN16
#define MY_XP_HUGE __huge
#define MY_XP_HUGE_ALLOC(SIZE) halloc(SIZE,1)
#define MY_XP_HUGE_FREE(SIZE) hfree(SIZE)
#define MY_XP_HUGE_MEMCPY(DEST, SOURCE, LEN) hmemcpy(DEST, SOURCE, LEN)
#else
#define MY_XP_HUGE
#define MY_XP_HUGE_ALLOC(SIZE) malloc(SIZE)
#define MY_XP_HUGE_FREE(SIZE) free(SIZE)
#define MY_XP_HUGE_MEMCPY(DEST, SOURCE, LEN) memcpy(DEST, SOURCE, LEN)
#endif
#define MY_XP_HUGE_CHAR_PTR char MY_XP_HUGE *
/***************************************************************************/
/* Support for an unfortunate Navigator hack */
#if defined(NETSCAPE_INTERNAL) && ! defined(LIVEWIRE)
#define JSD_HAS_DANGEROUS_THREAD 1
#endif
/***************************************************************************/
/* Our structures */
/**
* XXX This is lame. What I'm calling a JSDContext is really more of a
* TaskState. I should use 'JSDContext' for the thing I'm now calling
* a JSDContextWrapper. arg!
*/
typedef struct JSDContext
{
PRCList links; /* we are part of a PRCList */
JSBool inited;
JSD_ScriptHookProc scriptHook;
void* scriptHookData;
JSD_ExecutionHookProc interruptHook;
void* interruptHookData;
JSTaskState* jstaskstate;
PRHashTable* jscontexts;
JSD_ErrorReporter errorReporter;
void* errorReporterData;
PRCList threadsStates;
JSD_ExecutionHookProc debugBreakHook;
void* debugBreakHookData;
JSContext* dumbContext;
JSObject* glob;
JSD_UserCallbacks userCallbacks;
void* user;
PRCList scripts;
PRCList sources;
PRCList removedSources;
uintN sourceAlterCount;
#ifdef JSD_THREADSAFE
void* scriptsLock;
void* sourceTextLock;
void* threadStatesLock;
#endif /* JSD_THREADSAFE */
#ifdef JSD_HAS_DANGEROUS_THREAD
void* dangerousThread;
#endif /* JSD_HAS_DANGEROUS_THREAD */
} JSDContext;
typedef struct JSDContextWrapper
{
JSContext* context;
JSDContext* jsdc;
JSErrorReporter originalErrorReporter;
} JSDContextWrapper;
typedef struct JSDScript
{
PRCList links; /* we are part of a PRCList */
JSDContext* jsdc; /* JSDContext for this jsdscript */
JSScript* script; /* script we are wrapping */
JSFunction* function; /* back pointer to owning function (can be NULL) */
uintN lineBase; /* we cache this */
uintN lineExtent; /* we cache this */
PRCList hooks; /* PRCList of JSDExecHooks for this script */
char* url;
#ifdef LIVEWIRE
LWDBGApp* app;
LWDBGScript* lwscript;
#endif
} JSDScript;
typedef struct JSDSourceText
{
PRCList links; /* we are part of a PRCList */
char* url;
MY_XP_HUGE_CHAR_PTR text;
uintN textLength;
uintN textSpace;
JSBool dirty;
JSDSourceStatus status;
uintN alterCount;
JSBool doingEval;
} JSDSourceText;
typedef struct JSDExecHook
{
PRCList links; /* we are part of a PRCList */
JSDScript* jsdscript;
pruword pc;
JSD_ExecutionHookProc hook;
void* callerdata;
} JSDExecHook;
typedef struct JSDThreadState
{
PRCList links; /* we are part of a PRCList */
JSContext* context;
void* thread;
PRCList stack;
uintN stackDepth;
} JSDThreadState;
typedef struct JSDStackFrameInfo
{
PRCList links; /* we are part of a PRCList */
JSDThreadState* jsdthreadstate;
JSDScript* jsdscript;
pruword pc;
JSObject* object;
JSObject* thisp;
JSStackFrame* fp;
} JSDStackFrameInfo;
/***************************************************************************/
/* Code validation support */
#ifdef DEBUG
extern void JSD_ASSERT_VALID_CONTEXT(JSDContext* jsdc);
extern void JSD_ASSERT_VALID_SCRIPT(JSDScript* jsdscript);
extern void JSD_ASSERT_VALID_SOURCE_TEXT(JSDSourceText* jsdsrc);
extern void JSD_ASSERT_VALID_THREAD_STATE(JSDThreadState* jsdthreadstate);
extern void JSD_ASSERT_VALID_STACK_FRAME(JSDStackFrameInfo* jsdframe);
extern void JSD_ASSERT_VALID_EXEC_HOOK(JSDExecHook* jsdhook);
#else
#define JSD_ASSERT_VALID_CONTEXT(x) ((void)0)
#define JSD_ASSERT_VALID_SCRIPT(x) ((void)0)
#define JSD_ASSERT_VALID_SOURCE_TEXT(x) ((void)0)
#define JSD_ASSERT_VALID_THREAD_STATE(x)((void)0)
#define JSD_ASSERT_VALID_STACK_FRAME(x) ((void)0)
#define JSD_ASSERT_VALID_EXEC_HOOK(x) ((void)0)
#endif
/***************************************************************************/
/* higher level functions */
extern JSDContext*
jsd_DebuggerOnForUser(JSTaskState* jstaskstate,
JSD_UserCallbacks* callbacks,
void* user);
extern JSDContext*
jsd_DebuggerOn(void);
extern void
jsd_DebuggerOff(JSDContext* jsdc);
extern void
jsd_SetUserCallbacks(JSTaskState* jstaskstate, JSD_UserCallbacks* callbacks, void* user);
extern void
jsd_JSContextUsed(JSDContext* jsdc, JSContext* context);
extern JSDContext*
jsd_JSDContextForJSContext(JSContext* context);
extern JSBool
jsd_SetErrorReporter(JSDContext* jsdc,
JSD_ErrorReporter reporter,
void* callerdata);
extern JSBool
jsd_GetErrorReporter(JSDContext* jsdc,
JSD_ErrorReporter* reporter,
void** callerdata);
/***************************************************************************/
/* Script functions */
extern void
jsd_DestroyAllJSDScripts(JSDContext* jsdc);
extern JSDScript*
jsd_FindJSDScript(JSDContext* jsdc,
JSScript *script);
extern JSDScript*
jsd_IterateScripts(JSDContext* jsdc, JSDScript **iterp);
extern JSBool
jsd_IsActiveScript(JSDContext* jsdc, JSDScript *jsdscript);
extern const char*
jsd_GetScriptFilename(JSDContext* jsdc, JSDScript *jsdscript);
extern const char*
jsd_GetScriptFunctionName(JSDContext* jsdc, JSDScript *jsdscript);
extern uintN
jsd_GetScriptBaseLineNumber(JSDContext* jsdc, JSDScript *jsdscript);
extern uintN
jsd_GetScriptLineExtent(JSDContext* jsdc, JSDScript *jsdscript);
extern JSBool
jsd_SetScriptHook(JSDContext* jsdc, JSD_ScriptHookProc hook, void* callerdata);
extern JSBool
jsd_GetScriptHook(JSDContext* jsdc, JSD_ScriptHookProc* hook, void** callerdata);
extern pruword
jsd_GetClosestPC(JSDContext* jsdc, JSDScript* jsdscript, uintN line);
extern uintN
jsd_GetClosestLine(JSDContext* jsdc, JSDScript* jsdscript, pruword pc);
extern void PR_CALLBACK
jsd_NewScriptHookProc(
JSContext *cx,
const char *filename, /* URL this script loads from */
uintN lineno, /* line where this script starts */
JSScript *script,
JSFunction *fun,
void* callerdata);
extern void PR_CALLBACK
jsd_DestroyScriptHookProc(
JSContext *cx,
JSScript *script,
void* callerdata);
/* Script execution hook functions */
extern JSBool
jsd_SetExecutionHook(JSDContext* jsdc,
JSDScript* jsdscript,
pruword pc,
JSD_ExecutionHookProc hook,
void* callerdata);
extern JSBool
jsd_ClearExecutionHook(JSDContext* jsdc,
JSDScript* jsdscript,
pruword pc);
extern JSBool
jsd_ClearAllExecutionHooksForScript(JSDContext* jsdc, JSDScript* jsdscript);
extern JSBool
jsd_ClearAllExecutionHooks(JSDContext* jsdc);
extern void
jsd_ScriptCreated(JSDContext* jsdc,
JSContext *cx,
const char *filename, /* URL this script loads from */
uintN lineno, /* line where this script starts */
JSScript *script,
JSFunction *fun);
extern void
jsd_ScriptDestroyed(JSDContext* jsdc,
JSContext *cx,
JSScript *script);
/***************************************************************************/
/* Source Text functions */
extern JSDSourceText*
jsd_IterateSources(JSDContext* jsdc, JSDSourceText **iterp);
extern JSDSourceText*
jsd_FindSourceForURL(JSDContext* jsdc, const char* url);
extern const char*
jsd_GetSourceURL(JSDContext* jsdc, JSDSourceText* jsdsrc);
extern JSBool
jsd_GetSourceText(JSDContext* jsdc, JSDSourceText* jsdsrc,
const char** ppBuf, int* pLen);
extern void
jsd_ClearSourceText(JSDContext* jsdc, JSDSourceText* jsdsrc);
extern JSDSourceStatus
jsd_GetSourceStatus(JSDContext* jsdc, JSDSourceText* jsdsrc);
extern JSBool
jsd_IsSourceDirty(JSDContext* jsdc, JSDSourceText* jsdsrc);
extern void
jsd_SetSourceDirty(JSDContext* jsdc, JSDSourceText* jsdsrc, JSBool dirty);
extern uintN
jsd_GetSourceAlterCount(JSDContext* jsdc, JSDSourceText* jsdsrc);
extern uintN
jsd_IncrementSourceAlterCount(JSDContext* jsdc, JSDSourceText* jsdsrc);
extern JSDSourceText*
jsd_NewSourceText(JSDContext* jsdc, const char* url);
extern JSDSourceText*
jsd_AppendSourceText(JSDContext* jsdc,
JSDSourceText* jsdsrc,
const char* text, /* *not* zero terminated */
size_t length,
JSDSourceStatus status);
/* convienence function for adding complete source of url in one call */
extern JSBool
jsd_AddFullSourceText(JSDContext* jsdc,
const char* text, /* *not* zero terminated */
size_t length,
const char* url);
extern void
jsd_DestroyAllSources(JSDContext* jsdc);
extern const char*
jsd_BuildNormalizedURL(const char* url_string);
extern void
jsd_StartingEvalUsingFilename(JSDContext* jsdc, const char* url);
extern void
jsd_FinishedEvalUsingFilename(JSDContext* jsdc, const char* url);
/***************************************************************************/
/* Interrupt Hook functions */
extern JSBool
jsd_SetInterruptHook(JSDContext* jsdc,
JSD_ExecutionHookProc hook,
void* callerdata);
extern JSBool
jsd_ClearInterruptHook(JSDContext* jsdc);
extern JSBool
jsd_SetDebugBreakHook(JSDContext* jsdc,
JSD_ExecutionHookProc hook,
void* callerdata);
extern JSBool
jsd_ClearDebugBreakHook(JSDContext* jsdc);
/***************************************************************************/
/* Stack Frame functions */
extern uintN
jsd_GetCountOfStackFrames(JSDContext* jsdc, JSDThreadState* jsdthreadstate);
extern JSDStackFrameInfo*
jsd_GetStackFrame(JSDContext* jsdc, JSDThreadState* jsdthreadstate);
extern JSDStackFrameInfo*
jsd_GetCallingStackFrame(JSDContext* jsdc,
JSDThreadState* jsdthreadstate,
JSDStackFrameInfo* jsdframe);
extern JSDScript*
jsd_GetScriptForStackFrame(JSDContext* jsdc,
JSDThreadState* jsdthreadstate,
JSDStackFrameInfo* jsdframe);
extern pruword
jsd_GetPCForStackFrame(JSDContext* jsdc,
JSDThreadState* jsdthreadstate,
JSDStackFrameInfo* jsdframe);
extern JSDThreadState*
jsd_NewThreadState(JSDContext* jsdc, JSContext *cx);
extern void
jsd_DestroyThreadState(JSDContext* jsdc, JSDThreadState* jsdthreadstate);
extern JSBool
jsd_EvaluateScriptInStackFrame(JSDContext* jsdc,
JSDThreadState* jsdthreadstate,
JSDStackFrameInfo* jsdframe,
const char *bytes, uintN length,
const char *filename, uintN lineno, jsval *rval);
extern JSString*
jsd_ValToStringInStackFrame(JSDContext* jsdc,
JSDThreadState* jsdthreadstate,
JSDStackFrameInfo* jsdframe,
jsval val);
extern JSBool
jsd_IsValidThreadState(JSDContext* jsdc,
JSDThreadState* jsdthreadstate);
extern JSBool
jsd_IsValidFrameInThreadState(JSDContext* jsdc,
JSDThreadState* jsdthreadstate,
JSDStackFrameInfo* jsdframe);
/***************************************************************************/
/* Locking support */
/* protos are in js_lock.h for:
* jsd_CreateLock
* jsd_Lock
* jsd_Unlock
* jsd_IsLocked
* jsd_CurrentThread
*/
#ifdef JSD_THREADSAFE
/* the system-wide lock */
extern void* _jsd_global_lock;
#define JSD_LOCK() \
PR_BEGIN_MACRO \
if(!_jsd_global_lock) \
_jsd_global_lock = jsd_CreateLock(); \
PR_ASSERT(_jsd_global_lock); \
jsd_Lock(_jsd_global_lock); \
PR_END_MACRO
#define JSD_UNLOCK() \
PR_BEGIN_MACRO \
PR_ASSERT(_jsd_global_lock); \
jsd_Unlock(_jsd_global_lock); \
PR_END_MACRO
/* locks for the subsystems of a given context */
#define JSD_INIT_LOCKS(jsdc) \
( (NULL != (jsdc->scriptsLock = jsd_CreateLock())) && \
(NULL != (jsdc->sourceTextLock = jsd_CreateLock())) && \
(NULL != (jsdc->threadStatesLock = jsd_CreateLock())) )
#define JSD_LOCK_SCRIPTS(jsdc) jsd_Lock(jsdc->scriptsLock)
#define JSD_UNLOCK_SCRIPTS(jsdc) jsd_Unlock(jsdc->scriptsLock)
#define JSD_LOCK_SOURCE_TEXT(jsdc) jsd_Lock(jsdc->sourceTextLock)
#define JSD_UNLOCK_SOURCE_TEXT(jsdc) jsd_Unlock(jsdc->sourceTextLock)
#define JSD_LOCK_THREADSTATES(jsdc) jsd_Lock(jsdc->threadStatesLock)
#define JSD_UNLOCK_THREADSTATES(jsdc) jsd_Unlock(jsdc->threadStatesLock)
#else /* !JSD_THREADSAFE */
#define JSD_LOCK() ((void)0)
#define JSD_UNLOCK() ((void)0)
#define JSD_INIT_LOCKS(jsdc) 1
#define JSD_LOCK_SCRIPTS(jsdc) ((void)0)
#define JSD_UNLOCK_SCRIPTS(jsdc) ((void)0)
#define JSD_LOCK_SOURCE_TEXT(jsdc) ((void)0)
#define JSD_UNLOCK_SOURCE_TEXT(jsdc) ((void)0)
#define JSD_LOCK_THREADSTATES(jsdc) ((void)0)
#define JSD_UNLOCK_THREADSTATES(jsdc) ((void)0)
#endif /* JSD_THREADSAFE */
/* NOTE: These are intended for ASSERTs. Thus we supply checks for both
* LOCKED and UNLOCKED (rather that just LOCKED and !LOCKED) so that in
* the DEBUG non-Threadsafe case we can have an ASSERT that always succeeds
* without having to special case things in the code.
*/
#if defined(JSD_THREADSAFE) && defined(DEBUG)
#define JSD_SCRIPTS_LOCKED(jsdc) (jsd_IsLocked(jsdc->scriptsLock))
#define JSD_SOURCE_TEXT_LOCKED(jsdc) (jsd_IsLocked(jsdc->sourceTextLock))
#define JSD_THREADSTATES_LOCKED(jsdc) (jsd_IsLocked(jsdc->threadStatesLock))
#define JSD_SCRIPTS_UNLOCKED(jsdc) (!jsd_IsLocked(jsdc->scriptsLock))
#define JSD_SOURCE_TEXT_UNLOCKED(jsdc) (!jsd_IsLocked(jsdc->sourceTextLock))
#define JSD_THREADSTATES_UNLOCKED(jsdc) (!jsd_IsLocked(jsdc->threadStatesLock))
#else
#define JSD_SCRIPTS_LOCKED(jsdc) 1
#define JSD_SOURCE_TEXT_LOCKED(jsdc) 1
#define JSD_THREADSTATES_LOCKED(jsdc) 1
#define JSD_SCRIPTS_UNLOCKED(jsdc) 1
#define JSD_SOURCE_TEXT_UNLOCKED(jsdc) 1
#define JSD_THREADSTATES_UNLOCKED(jsdc) 1
#endif /* defined(JSD_THREADSAFE) && defined(DEBUG) */
/***************************************************************************/
/* Threading support */
#ifdef JSD_THREADSAFE
#define JSD_CURRENT_THREAD() jsd_CurrentThread()
#else /* !JSD_THREADSAFE */
#define JSD_CURRENT_THREAD() ((void*)0)
#endif /* JSD_THREADSAFE */
/***************************************************************************/
/* Dangerous thread support */
#ifdef JSD_HAS_DANGEROUS_THREAD
#define JSD_IS_DANGEROUS_THREAD(jsdc) \
(JSD_CURRENT_THREAD() == jsdc->dangerousThread)
#else /* !JSD_HAS_DANGEROUS_THREAD */
#define JSD_IS_DANGEROUS_THREAD(jsdc) 0
#endif /* JSD_HAS_DANGEROUS_THREAD */
/***************************************************************************/
/* Livewire specific API */
#ifdef LIVEWIRE
extern LWDBGScript*
jsdlw_GetLWScript(JSDContext* jsdc, JSDScript* jsdscript);
extern char*
jsdlw_BuildAppRelativeFilename(LWDBGApp* app, const char* filename);
extern JSDSourceText*
jsdlw_PreLoadSource(JSDContext* jsdc, LWDBGApp* app,
const char* filename, JSBool clear);
extern JSDSourceText*
jsdlw_ForceLoadSource(JSDContext* jsdc, JSDSourceText* jsdsrc);
extern JSBool
jsdlw_UserCodeAtPC(JSDContext* jsdc, JSDScript* jsdscript, pruword pc);
extern JSBool
jsdlw_RawToProcessedLineNumber(JSDContext* jsdc, JSDScript* jsdscript,
uintN lineIn, uintN* lineOut);
extern JSBool
jsdlw_ProcessedToRawLineNumber(JSDContext* jsdc, JSDScript* jsdscript,
uintN lineIn, uintN* lineOut);
#if 0
/* our hook proc for LiveWire app start/stop */
extern void PR_CALLBACK
jsdlw_AppHookProc(LWDBGApp* app,
PRBool created,
void *callerdata);
#endif
#endif
/***************************************************************************/
PR_END_EXTERN_C
#endif /* jsd_h___ */
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