зеркало из https://github.com/mozilla/pjs.git
418 строки
12 KiB
C
418 строки
12 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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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/*
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** Header for JavaScript Debugger for Navigator internal protos
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*/
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#ifndef jsd_h___
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#define jsd_h___
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#include "jsdebug.h"
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#include "jsdbgapi.h"
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#include "prmem.h"
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#include "prprf.h"
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#include "prmon.h"
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#include "prtypes.h"
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#include "prlog.h" /* for PR_ASSERT */
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#ifndef NSPR20
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#include "prhash.h"
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#else
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#include "plhash.h"
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#endif
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#include "prclist.h"
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#include "prthread.h"
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/* #include "xp.h" */
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NSPR_BEGIN_EXTERN_C
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#define JSD_MAJOR_VERSION 1
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#define JSD_MINOR_VERSION 0
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#define MY_XP_STRDUP strdup
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#define MY_XP_FREE free
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#define MY_XP_STRNCASECMP strncasecomp
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#define MY_XP_TO_LOWER tolower
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#ifdef XP_WIN16
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#define MY_XP_HUGE __huge
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#define MY_XP_HUGE_ALLOC(SIZE) halloc(SIZE,1)
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#define MY_XP_HUGE_FREE(SIZE) hfree(SIZE)
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#define MY_XP_HUGE_MEMCPY(DEST, SOURCE, LEN) hmemcpy(DEST, SOURCE, LEN)
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#else
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#define MY_XP_HUGE
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#define MY_XP_HUGE_ALLOC(SIZE) malloc(SIZE)
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#define MY_XP_HUGE_FREE(SIZE) free(SIZE)
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#define MY_XP_HUGE_MEMCPY(DEST, SOURCE, LEN) memcpy(DEST, SOURCE, LEN)
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#endif
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#define MY_XP_HUGE_CHAR_PTR char MY_XP_HUGE *
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/***************************************************************************/
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/* Our structures */
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/**
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* XXX This is lame. What I'm calling a JSDContext is really more of a
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* TaskState. I should use 'JSDContext' for the thing I'm now calling
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* a JSDContextWrapper. arg!
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*/
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struct JSDContext
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{
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JSBool inited;
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JSD_ScriptHookProc scriptHook;
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void* scriptHookData;
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JSD_ExecutionHookProc interruptHook;
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void* interruptHookData;
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JSTaskState* jstaskstate;
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PRHashTable* jscontexts;
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JSD_ErrorReporter errorReporter;
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void* errorReporterData;
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PRCList threadsStates;
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JSD_ExecutionHookProc debugBreakHook;
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void* debugBreakHookData;
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JSContext* dumbContext;
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JSObject* glob;
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};
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typedef struct
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{
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JSContext* context;
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JSDContext* jsdc;
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JSErrorReporter originalErrorReporter;
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} JSDContextWrapper;
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struct JSDScript
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{
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PRCList links; /* we are part of a PRCList */
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JSDContext* jsdc; /* JSDContext for this jsdscript */
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JSScript* script; /* script we are wrapping */
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JSFunction* function; /* back pointer to owning function (can be NULL) */
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PRUintn lineBase; /* we cache this */
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PRUintn lineExtent; /* we cache this */
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PRCList hooks; /* PRCList of JSDExecHooks for this script */
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char* url;
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};
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struct JSDSourceText
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{
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PRCList links; /* we are part of a PRCList */
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char* url;
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MY_XP_HUGE_CHAR_PTR text;
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PRUintn textLength;
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PRUintn textSpace;
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JSBool dirty;
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JSDSourceStatus status;
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PRUintn alterCount;
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};
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typedef struct JSDExecHook
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{
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PRCList links; /* we are part of a PRCList */
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JSDScript* jsdscript;
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prword_t pc;
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JSD_ExecutionHookProc hook;
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void* callerdata;
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} JSDExecHook;
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struct JSDThreadState
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{
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PRCList links; /* we are part of a PRCList */
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JSContext* context;
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PRThread* thread;
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PRCList stack;
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PRUintn stackDepth;
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PRUintn wait;
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};
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struct JSDStackFrameInfo
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{
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PRCList links; /* we are part of a PRCList */
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JSDThreadState* jsdthreadstate;
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JSDScript* jsdscript;
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prword_t pc;
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JSObject* object;
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JSObject* thisp;
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JSStackFrame* fp;
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};
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/***************************************************************************/
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/* Code validation support */
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#ifdef DEBUG
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extern void JSD_ASSERT_VALID_CONTEXT( JSDContext* jsdc );
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extern void JSD_ASSERT_VALID_SCRIPT( JSDScript* jsdscript );
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extern void JSD_ASSERT_VALID_SOURCE_TEXT( JSDSourceText* jsdsrc );
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extern void JSD_ASSERT_VALID_THREAD_STATE( JSDThreadState* jsdthreadstate );
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extern void JSD_ASSERT_VALID_STACK_FRAME( JSDStackFrameInfo* jsdframe );
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extern void JSD_ASSERT_VALID_EXEC_HOOK( JSDExecHook* jsdhook );
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#else
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#define JSD_ASSERT_VALID_CONTEXT(x) ((void)x)
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#define JSD_ASSERT_VALID_SCRIPT(x) ((void)x)
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#define JSD_ASSERT_VALID_SOURCE_TEXT(x) ((void)x)
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#define JSD_ASSERT_VALID_THREAD_STATE(x)((void)x)
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#define JSD_ASSERT_VALID_STACK_FRAME(x) ((void)x)
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#define JSD_ASSERT_VALID_EXEC_HOOK(x) ((void)x)
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#endif
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/***************************************************************************/
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/* higher level functions */
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extern JSDContext*
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jsd_DebuggerOn(void);
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extern void
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jsd_DebuggerOff(JSDContext* jsdc);
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extern void
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jsd_SetUserCallbacks(JSTaskState* jstaskstate, JSD_UserCallbacks* callbacks, void* user);
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extern void
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jsd_JSContextUsed( JSDContext* jsdc, JSContext* context );
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extern JSDContext*
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jsd_GetDefaultJSDContext(void);
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extern JSD_ErrorReporter
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jsd_SetErrorReporter( JSDContext* jsdc, JSD_ErrorReporter reporter, void* callerdata);
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extern JSBool
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jsd_IsCurrentThreadDangerous(void);
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/***************************************************************************/
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/* Script functions */
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extern void
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jsd_LockScriptSubsystem(JSDContext* jsdc);
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extern void
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jsd_UnlockScriptSubsystem(JSDContext* jsdc);
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extern void
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jsd_DestroyAllJSDScripts( JSDContext* jsdc );
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extern JSDScript*
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jsd_FindJSDScript( JSDContext* jsdc,
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JSScript *script );
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extern JSDScript*
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jsd_IterateScripts(JSDContext* jsdc, JSDScript **iterp);
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extern const char*
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jsd_GetScriptFilename(JSDContext* jsdc, JSDScript *jsdscript);
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extern const char*
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jsd_GetScriptFunctionName(JSDContext* jsdc, JSDScript *jsdscript);
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extern PRUintn
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jsd_GetScriptBaseLineNumber(JSDContext* jsdc, JSDScript *jsdscript);
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extern PRUintn
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jsd_GetScriptLineExtent(JSDContext* jsdc, JSDScript *jsdscript);
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extern JSD_ScriptHookProc
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jsd_SetScriptHook(JSDContext* jsdc, JSD_ScriptHookProc hook, void* callerdata);
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extern JSD_ScriptHookProc
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jsd_GetScriptHook(JSDContext* jsdc);
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extern prword_t
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jsd_GetClosestPC(JSDContext* jsdc, JSDScript* jsdscript, PRUintn line);
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extern PRUintn
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jsd_GetClosestLine(JSDContext* jsdc, JSDScript* jsdscript, prword_t pc);
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extern void PR_CALLBACK
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jsd_NewScriptHookProc(
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JSContext *cx,
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const char *filename, /* URL this script loads from */
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PRUintn lineno, /* line where this script starts */
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JSScript *script,
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JSFunction *fun,
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void* callerdata );
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extern void PR_CALLBACK
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jsd_DestroyScriptHookProc(
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JSContext *cx,
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JSScript *script,
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void* callerdata );
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/* Script execution hook functions */
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extern JSBool
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jsd_SetExecutionHook(JSDContext* jsdc,
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JSDScript* jsdscript,
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prword_t pc,
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JSD_ExecutionHookProc hook,
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void* callerdata);
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extern JSBool
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jsd_ClearExecutionHook(JSDContext* jsdc,
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JSDScript* jsdscript,
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prword_t pc);
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extern JSBool
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jsd_ClearAllExecutionHooksForScript(JSDContext* jsdc, JSDScript* jsdscript);
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extern JSBool
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jsd_ClearAllExecutionHooks(JSDContext* jsdc);
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/***************************************************************************/
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/* Source Text functions */
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extern void
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jsd_LockSourceTextSubsystem(JSDContext* jsdc);
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extern void
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jsd_UnlockSourceTextSubsystem(JSDContext* jsdc);
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extern JSDSourceText*
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jsd_IterateSources(JSDContext* jsdc, JSDSourceText **iterp);
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extern JSDSourceText*
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jsd_FindSourceForURL(JSDContext* jsdc, const char* url);
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extern const char*
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jsd_GetSourceURL(JSDContext* jsdc, JSDSourceText* jsdsrc);
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extern JSBool
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jsd_GetSourceText(JSDContext* jsdc, JSDSourceText* jsdsrc,
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const char** ppBuf, int* pLen);
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extern void
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jsd_ClearSourceText(JSDContext* jsdc, JSDSourceText* jsdsrc);
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extern JSDSourceStatus
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jsd_GetSourceStatus(JSDContext* jsdc, JSDSourceText* jsdsrc);
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extern JSBool
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jsd_IsSourceDirty(JSDContext* jsdc, JSDSourceText* jsdsrc);
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extern void
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jsd_SetSourceDirty(JSDContext* jsdc, JSDSourceText* jsdsrc, JSBool dirty);
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extern PRUintn
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jsd_GetSourceAlterCount(JSDContext* jsdc, JSDSourceText* jsdsrc);
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extern PRUintn
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jsd_IncrementSourceAlterCount(JSDContext* jsdc, JSDSourceText* jsdsrc);
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extern JSDSourceText*
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jsd_NewSourceText(JSDContext* jsdc, const char* url);
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extern JSDSourceText*
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jsd_AppendSourceText(JSDContext* jsdc,
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JSDSourceText* jsdsrc,
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const char* text, /* *not* zero terminated */
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size_t length,
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JSDSourceStatus status);
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extern void
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jsd_DestroyAllSources( JSDContext* jsdc );
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extern const char*
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jsd_BuildNormalizedURL( const char* url_string );
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/***************************************************************************/
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/* Interrupt Hook functions */
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extern JSBool
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jsd_SetInterruptHook(JSDContext* jsdc,
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JSD_ExecutionHookProc hook,
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void* callerdata);
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extern JSBool
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jsd_ClearInterruptHook(JSDContext* jsdc);
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extern JSBool
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jsd_SetDebugBreakHook(JSDContext* jsdc,
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JSD_ExecutionHookProc hook,
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void* callerdata);
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extern JSBool
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jsd_ClearDebugBreakHook(JSDContext* jsdc);
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/***************************************************************************/
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/* Stack Frame functions */
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extern PRUintn
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jsd_GetCountOfStackFrames(JSDContext* jsdc, JSDThreadState* jsdthreadstate);
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extern JSDStackFrameInfo*
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jsd_GetStackFrame(JSDContext* jsdc, JSDThreadState* jsdthreadstate);
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extern JSDStackFrameInfo*
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jsd_GetCallingStackFrame(JSDContext* jsdc,
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JSDThreadState* jsdthreadstate,
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JSDStackFrameInfo* jsdframe);
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extern JSDScript*
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jsd_GetScriptForStackFrame(JSDContext* jsdc,
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JSDThreadState* jsdthreadstate,
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JSDStackFrameInfo* jsdframe);
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extern prword_t
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jsd_GetPCForStackFrame(JSDContext* jsdc,
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JSDThreadState* jsdthreadstate,
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JSDStackFrameInfo* jsdframe);
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extern JSDThreadState*
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jsd_NewThreadState(JSDContext* jsdc, JSContext *cx);
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extern void
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jsd_DestroyThreadState(JSDContext* jsdc, JSDThreadState* jsdthreadstate);
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extern JSBool
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jsd_EvaluateScriptInStackFrame(JSDContext* jsdc,
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JSDThreadState* jsdthreadstate,
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JSDStackFrameInfo* jsdframe,
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const char *bytes, PRUintn length,
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const char *filename, PRUintn lineno, jsval *rval);
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extern JSString*
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jsd_ValToStringInStackFrame(JSDContext* jsdc,
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JSDThreadState* jsdthreadstate,
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JSDStackFrameInfo* jsdframe,
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jsval val);
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extern void
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jsd_LockThreadsStates(JSDContext* jsdc);
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extern void
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jsd_UnlockThreadStates(JSDContext* jsdc);
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extern JSBool
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jsd_ThreadStatesIsLocked(JSDContext* jsdc);
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extern JSBool
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jsd_IsValidThreadState(JSDContext* jsdc,
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JSDThreadState* jsdthreadstate);
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extern JSBool
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jsd_IsValidFrameInThreadState(JSDContext* jsdc,
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JSDThreadState* jsdthreadstate,
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JSDStackFrameInfo* jsdframe);
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/***************************************************************************/
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NSPR_END_EXTERN_C
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#endif /* jsd_h___ */
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