/*
* Copyright (c) 2014, Victor Nazarov <asviraspossible@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.github.sviperll.adt4j;
import com.helger.jcodemodel.AbstractJType;
import java.util.Map;
import java.util.TreeMap;
/**
*
* @author Victor Nazarov <asviraspossible@gmail.com>
*/
class TypeEnvironment {
private final Map<String, AbstractJType> map = new TreeMap<String, AbstractJType>();
private final TypeEnvironment parent;
TypeEnvironment() {
parent = null;
}
private TypeEnvironment(TypeEnvironment parent) {
this.parent = parent;
}
public TypeEnvironment enclosed() {
return new TypeEnvironment(this);
}
public AbstractJType get(String name) {
AbstractJType result = map.get(name);
if (result != null || parent == null) {
return result;
} else {
return parent.get(name);
}
}
public void put(String name, AbstractJType type) {
map.put(name, type);
}
}