mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-08 12:37:37 +00:00
522d51c5b6
build shouldn't *look* different yet. Moved Context::interpret() local vars into Context private, added accessors for stuff, using JavaScript::Lexer to lex debugger commands. Fixed sign comparison warning in icg.cpp
137 lines
4.1 KiB
C++
137 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the JavaScript 2 Prototype.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU Public License (the "GPL"), in which case the
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* provisions of the GPL are applicable instead of those above.
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* If you wish to allow use of your version of this file only
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* under the terms of the GPL and not to allow others to use your
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* version of this file under the NPL, indicate your decision by
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* deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL. If you do not delete
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* the provisions above, a recipient may use your version of this
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* file under either the NPL or the GPL.
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*/
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/* this is all vapor, don't take it to serious yet */
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#ifndef debugger_h
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#define debugger_h
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#include "utilities.h"
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#include "interpreter.h"
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namespace JavaScript {
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namespace Debugger {
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class Shell {
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public:
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Shell (World &aWorld, Formatter &aOut, Formatter &aErr) :
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mWorld(aWorld), mOut(aOut), mErr(aErr) {}
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bool doCommand (Interpreter::Context *context,
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const String &aSource);
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private:
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World &mWorld;
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Formatter &mOut, &mErr;
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};
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#if 0
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typedef void (debuggerCallback) (Context *aContext, ICodeDebugger *aICD);
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class Breakpoint {
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/* representation of a breakpoint */
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void set();
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void clear();
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bool getState();
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InstructionIterator getPC();
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};
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class ICodeDebugger {
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public:
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/**
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* set a debugger callback, returning the old one
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*/
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static debuggerCallback * setCallback (debuggerCallback *aCallback);
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/**
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* install an icdebugger on a context
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*/
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static bool attachToContext (Context *aContext);
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/**
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* detach an icdebugger from a context
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*/
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static bool detachFromContext (Context *aContext);
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enum DebuggerAction {
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/* step to next instruction */
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STEP,
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/* step until current block returns or execution completes */
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STEP_OUT,
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/* execute next instruction, treat CALLs as a single instruction */
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NEXT,
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/* resume normal execution */
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CONT,
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/* restart the program from the top */
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RUN,
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/* clear current execution, prepare to step from top */
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KILL
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};
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/**
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* tell the debugger what to do when the debuggerCallback returns
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*/
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void setNextAction (DebuggerAction aAction);
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/**
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* evaluate an expression within the current execution state
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*/
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JSValue evaluate (ICodeModule *aICode);
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/**
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* create a break at a desired pc
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*/
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Breakpoint *createBreakpoint (InstructionIterator aPC);
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/**
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* destroy a breakpoint
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*/
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void destroyBreakpoint (Breakpoint *aBreak);
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/**
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* get the current pc
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*/
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InstructionIterator getPC() const;
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/**
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* set next statement to a desired pc, return the last pc
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*/
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InstructionIterator setNextStatement(InstructionIterator aPC);
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}; /* class ICodeDebugger */
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#endif /* 0 */
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} /* namespace Debugger */
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} /* namespace JavaScript */
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#endif /* debugger_h */
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