| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 Mini; |
| import org.apache.bcel.generic.LocalVariableGen; |
| |
| /** |
| * Represents a variable declared in a LET expression or a FUN declaration. |
| * |
| * @version $Id$ |
| */ |
| public class Variable implements EnvEntry { |
| private ASTIdent name; // Reference to the original declaration |
| private boolean reserved; // Is a key word? |
| |
| private int line, column; // Extracted from name.getToken() |
| private String var_name; // Short for name.getName() |
| private LocalVariableGen local_var; // local var associated with this variable |
| |
| public Variable(ASTIdent name) { |
| this(name, false); |
| } |
| |
| public Variable(ASTIdent name, boolean reserved) { |
| this.name = name; |
| this.reserved = reserved; |
| |
| var_name = name.getName(); |
| line = name.getLine(); |
| column = name.getColumn(); |
| } |
| |
| @Override |
| public String toString() { |
| if(!reserved) { |
| return var_name + " declared at line " + line + ", column " + column; |
| } else { |
| return var_name + " <reserved key word>"; |
| } |
| } |
| |
| public ASTIdent getName() { return name; } |
| public String getHashKey() { return var_name; } |
| public int getLine() { return line; } |
| public int getColumn() { return column; } |
| public int getType() { return name.getType(); } |
| |
| void setLocalVariable(LocalVariableGen local_var) { |
| this.local_var = local_var; |
| } |
| LocalVariableGen getLocalVariable() { return local_var; } |
| } |
| |