/*
* Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.quercus.parser;
import com.caucho.quercus.expr.ExprFactory;
import com.caucho.quercus.program.Function;
import com.caucho.quercus.program.InterpretedClassDef;
import com.caucho.quercus.Location;
import java.util.ArrayList;
import java.util.HashMap;
/**
* Parse scope.
*/
public class GlobalScope extends Scope {
private ExprFactory _exprFactory;
private HashMap<String,Function> _functionMap
= new HashMap<String,Function>();
private ArrayList<Function> _functionList
= new ArrayList<Function>();
private HashMap<String,Function> _conditionalFunctionMap
= new HashMap<String,Function>();
private HashMap<String,InterpretedClassDef> _classMap
= new HashMap<String,InterpretedClassDef>();
private ArrayList<InterpretedClassDef> _classList
= new ArrayList<InterpretedClassDef>();
private HashMap<String,InterpretedClassDef> _conditionalClassMap
= new HashMap<String,InterpretedClassDef>();
GlobalScope(ExprFactory exprFactory)
{
_exprFactory = exprFactory;
}
/*
* Returns true if scope is global.
*/
public boolean isGlobal()
{
return true;
}
/**
* Adds a function.
*/
public void addFunction(String name,
Function function,
boolean isTop)
{
if (isTop)
_functionMap.put(name.toLowerCase(), function);
_functionList.add(function);
}
/*
* Adds a function defined in a conditional block.
*/
protected void addConditionalFunction(String name, Function function)
{
_conditionalFunctionMap.put(name, function);
}
/**
* Adds a class
*/
public InterpretedClassDef addClass(Location location,
String name,
String parentName,
ArrayList<String> ifaceList,
int index,
boolean isTop)
{
InterpretedClassDef cl = null;
if (isTop)
cl = _classMap.get(name);
if (cl == null) {
String []ifaceArray = new String[ifaceList.size()];
ifaceList.toArray(ifaceArray);
cl = _exprFactory.createClassDef(location,
name, parentName, ifaceArray,
index);
if (isTop) {
cl.setTopScope(true);
_classMap.put(name, cl);
}
}
else {
// class statically redeclared
// XXX: should throw a runtime error?
// dummy classdef for parsing only
cl = _exprFactory.createClassDef(location,
name, parentName, new String[0],
index);
}
_classList.add(cl);
return cl;
}
/*
* Adds a class
*/
protected void addConditionalClass(InterpretedClassDef def)
{
_classList.add(def);
}
/**
* Returns the function map.
*/
public HashMap<String,Function> getFunctionMap()
{
return _functionMap;
}
/**
* Returns the function list. The function list may include multiple
* functions with the same name, e.g. from inside conditionals.
*/
public ArrayList<Function> getFunctionList()
{
return _functionList;
}
/**
* Returns the conditional function map.
*/
public HashMap<String,Function> getConditionalFunctionMap()
{
return _conditionalFunctionMap;
}
/**
* Returns the class map.
*/
public HashMap<String,InterpretedClassDef> getClassMap()
{
return _classMap;
}
/**
* Returns the list of defined classes. The class list may include
* conditional classes.
*/
public ArrayList<InterpretedClassDef> getClassList()
{
return _classList;
}
/**
* Returns the conditional class map.
*/
public HashMap<String,InterpretedClassDef> getConditionalClassMap()
{
return _conditionalClassMap;
}
}