context.h
// -*- c-basic-offset: 2 -*-
/*
* This file is part of the KDE libraries
* Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2003 Apple Computer, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef KJS_CONTEXT_H
#define KJS_CONTEXT_H
#include "function.h"
namespace KJS {
class ContextImp {
friend class Context;
friend class StatementNode;
public:
// TODO: remove glob parameter. deducable from exec.
ContextImp(Object &glob, InterpreterImp *interpreter, Object &thisV, int _sourceId, CodeType type = GlobalCode,
ContextImp *callingContext = 0L, FunctionImp *func = 0L, const List *args = 0);
virtual ~ContextImp();
const ScopeChain &scopeChain() const { return scope; }
CodeType codeType() const { return m_codeType; }
Object variableObject() const { return variable; }
void setVariableObject(const Object &v) { variable = v; }
Object thisValue() const { return thisVal; }
ContextImp *callingContext() { return _callingContext; }
ObjectImp *activationObject() { return activation.imp(); }
FunctionImp *function() const { return _function; }
const List *arguments() const { return _arguments; }
void pushScope(const Object &s) { scope.push(s.imp()); }
void popScope() { scope.pop(); }
LabelStack *seenLabels() { return &ls; }
void mark();
void pushTryCatch() { tryCatch++; };
void popTryCatch() { tryCatch--; };
bool inTryCatch() const;
void setLines(int l0, int l1) { line0 = l0; line1 = l1; }
private:
InterpreterImp *_interpreter;
ContextImp *_callingContext;
FunctionImp *_function;
const List *_arguments;
Object activation;
ScopeChain scope;
Object variable;
Object thisVal;
LabelStack ls;
CodeType m_codeType;
int tryCatch;
int sourceId;
int line0;
int line1;
Identifier functionName;
List args;
};
} // namespace KJS
#endif
KJS::ScopeChain
A scope chain object.
Definition: scope_chain.h:47
KJS::ContextImp
Execution context.
Definition: context.h:35
KJS::Object
Represents an Object.
Definition: object.h:82
KJS::Context
Represents an execution context, as specified by section 10 of the ECMA spec.
Definition: interpreter.h:73
KJS::FunctionImp
Implementation class for functions implemented in JS.
Definition: internal.h:390
KJS::List
Native list type.
Definition: list.h:48
KJS::LabelStack
The "label set" in Ecma-262 spec.
Definition: internal.h:162
KJS::Identifier
Represents an Identifier for a Javascript object.
Definition: identifier.h:32

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