| /* |
| * Copyright 2008 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.dev.jjs.ast; |
| |
| import com.google.gwt.dev.jjs.SourceInfo; |
| import com.google.gwt.dev.util.StringInterner; |
| |
| import java.util.Set; |
| |
| /** |
| * Base class for any storage location. |
| */ |
| public abstract class JVariable extends JNode implements CanBeSetFinal, CanHaveInitializer, |
| HasName, HasType, CanHaveSuppressedWarnings { |
| |
| protected JDeclarationStatement declStmt = null; |
| private boolean isFinal; |
| private String name; |
| private JType type; |
| private Set<String> suppressedWarnings; |
| |
| JVariable(SourceInfo info, String name, JType type, boolean isFinal) { |
| super(info); |
| assert type != null; |
| this.name = StringInterner.get().intern(name); |
| this.type = type; |
| this.isFinal = isFinal; |
| } |
| |
| @Override |
| public JLiteral getConstInitializer() { |
| JExpression initializer = getInitializer(); |
| if (isFinal() && initializer instanceof JLiteral) { |
| return (JLiteral) initializer; |
| } |
| return null; |
| } |
| |
| public JDeclarationStatement getDeclarationStatement() { |
| return declStmt; |
| } |
| |
| public JExpression getInitializer() { |
| if (declStmt != null) { |
| return declStmt.getInitializer(); |
| } |
| return null; |
| } |
| |
| public abstract JVariableRef makeRef(SourceInfo sourceInfo); |
| |
| @Override |
| public String getName() { |
| return name; |
| } |
| |
| @Override |
| public JType getType() { |
| return type; |
| } |
| |
| @Override |
| public boolean hasInitializer() { |
| return declStmt != null; |
| } |
| |
| @Override |
| public boolean isFinal() { |
| return isFinal; |
| } |
| |
| @Override |
| public void setFinal() { |
| isFinal = true; |
| } |
| |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| public void setType(JType newType) { |
| assert newType != null; |
| type = newType; |
| } |
| |
| @Override |
| public Set<String> getSuppressedWarnings() { |
| return suppressedWarnings; |
| } |
| |
| @Override |
| public void setSuppressedWarnings(Set<String> suppressedWarnings) { |
| this.suppressedWarnings = suppressedWarnings; |
| } |
| } |