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/*
* BinaryOperatorExpression.java
*
* Copyright (c) 2013 Mike Strobel
*
* This source code is based on Mono.Cecil from Jb Evain, Copyright (c) Jb Evain;
* and ILSpy/ICSharpCode from SharpDevelop, Copyright (c) AlphaSierraPapa.
*
* This source code is subject to terms and conditions of the Apache License, Version 2.0.
* A copy of the license can be found in the License.html file at the root of this distribution.
* By using this source code in any fashion, you are agreeing to be bound by the terms of the
* Apache License, Version 2.0.
*
* You must not remove this notice, or any other, from this software.
*/
package com.strobel.decompiler.languages.java.ast;
import com.strobel.decompiler.patterns.INode;
import com.strobel.decompiler.patterns.Match;
import com.strobel.decompiler.patterns.Role;
public class BinaryOperatorExpression extends Expression {
public final static TokenRole BITWISE_AND_ROLE = new TokenRole("&", TokenRole.FLAG_OPERATOR);
public final static TokenRole BITWISE_OR_ROLE = new TokenRole("|", TokenRole.FLAG_OPERATOR);
public final static TokenRole LOGICAL_AND_ROLE = new TokenRole("&&", TokenRole.FLAG_OPERATOR);
public final static TokenRole LOGICAL_OR_ROLE = new TokenRole("||", TokenRole.FLAG_OPERATOR);
public final static TokenRole EXCLUSIVE_OR_ROLE = new TokenRole("^", TokenRole.FLAG_OPERATOR);
public final static TokenRole GREATER_THAN_ROLE = new TokenRole(">", TokenRole.FLAG_OPERATOR);
public final static TokenRole GREATER_THAN_OR_EQUAL_ROLE = new TokenRole(">=", TokenRole.FLAG_OPERATOR);
public final static TokenRole EQUALITY_ROLE = new TokenRole("==", TokenRole.FLAG_OPERATOR);
public final static TokenRole IN_EQUALITY_ROLE = new TokenRole("!=", TokenRole.FLAG_OPERATOR);
public final static TokenRole LESS_THAN_ROLE = new TokenRole("<", TokenRole.FLAG_OPERATOR);
public final static TokenRole LESS_THAN_OR_EQUAL_ROLE = new TokenRole("<=", TokenRole.FLAG_OPERATOR);
public final static TokenRole ADD_ROLE = new TokenRole("+", TokenRole.FLAG_OPERATOR);
public final static TokenRole SUBTRACT_ROLE = new TokenRole("-", TokenRole.FLAG_OPERATOR);
public final static TokenRole MULTIPLY_ROLE = new TokenRole("*", TokenRole.FLAG_OPERATOR);
public final static TokenRole DIVIDE_ROLE = new TokenRole("/", TokenRole.FLAG_OPERATOR);
public final static TokenRole MODULUS_ROLE = new TokenRole("%", TokenRole.FLAG_OPERATOR);
public final static TokenRole SHIFT_LEFT_ROLE = new TokenRole("<<", TokenRole.FLAG_OPERATOR);
public final static TokenRole SHIFT_RIGHT_ROLE = new TokenRole(">>", TokenRole.FLAG_OPERATOR);
public final static TokenRole UNSIGNED_SHIFT_RIGHT_ROLE = new TokenRole(">>>", TokenRole.FLAG_OPERATOR);
public final static TokenRole ANY_ROLE = new TokenRole("(op)", TokenRole.FLAG_OPERATOR);
public final static Role LEFT_ROLE = new Role<>("Left", Expression.class, Expression.NULL);
public final static Role RIGHT_ROLE = new Role<>("Right", Expression.class, Expression.NULL);
private BinaryOperatorType _operator;
public BinaryOperatorExpression(final Expression left, final BinaryOperatorType operator, final Expression right) {
super( left.getOffset());
setLeft(left);
setOperator(operator);
setRight(right);
}
public final BinaryOperatorType getOperator() {
return _operator;
}
public final void setOperator(final BinaryOperatorType operator) {
verifyNotFrozen();
_operator = operator;
}
public final JavaTokenNode getOperatorToken() {
return getChildByRole(getOperatorRole(getOperator()));
}
public final Expression getLeft() {
return getChildByRole(LEFT_ROLE);
}
public final void setLeft(final Expression value) {
setChildByRole(LEFT_ROLE, value);
}
public final Expression getRight() {
return getChildByRole(RIGHT_ROLE);
}
public final void setRight(final Expression value) {
setChildByRole(RIGHT_ROLE, value);
}
@Override
public R acceptVisitor(final IAstVisitor visitor, final T data) {
return visitor.visitBinaryOperatorExpression(this, data);
}
@Override
public boolean matches(final INode other, final Match match) {
if (other instanceof BinaryOperatorExpression) {
final BinaryOperatorExpression otherExpression = (BinaryOperatorExpression) other;
return !otherExpression.isNull() &&
(otherExpression._operator == _operator ||
_operator == BinaryOperatorType.ANY ||
otherExpression._operator == BinaryOperatorType.ANY) &&
getLeft().matches(otherExpression.getLeft(), match) &&
getRight().matches(otherExpression.getRight(), match);
}
return false;
}
public static TokenRole getOperatorRole(final BinaryOperatorType operator) {
switch (operator) {
case BITWISE_AND:
return BITWISE_AND_ROLE;
case BITWISE_OR:
return BITWISE_OR_ROLE;
case LOGICAL_AND:
return LOGICAL_AND_ROLE;
case LOGICAL_OR:
return LOGICAL_OR_ROLE;
case EXCLUSIVE_OR:
return EXCLUSIVE_OR_ROLE;
case GREATER_THAN:
return GREATER_THAN_ROLE;
case GREATER_THAN_OR_EQUAL:
return GREATER_THAN_OR_EQUAL_ROLE;
case EQUALITY:
return EQUALITY_ROLE;
case INEQUALITY:
return IN_EQUALITY_ROLE;
case LESS_THAN:
return LESS_THAN_ROLE;
case LESS_THAN_OR_EQUAL:
return LESS_THAN_OR_EQUAL_ROLE;
case ADD:
return ADD_ROLE;
case SUBTRACT:
return SUBTRACT_ROLE;
case MULTIPLY:
return MULTIPLY_ROLE;
case DIVIDE:
return DIVIDE_ROLE;
case MODULUS:
return MODULUS_ROLE;
case SHIFT_LEFT:
return SHIFT_LEFT_ROLE;
case SHIFT_RIGHT:
return SHIFT_RIGHT_ROLE;
case UNSIGNED_SHIFT_RIGHT:
return UNSIGNED_SHIFT_RIGHT_ROLE;
case ANY:
return ANY_ROLE;
}
throw new IllegalArgumentException("Invalid value for BinaryOperatorType.");
}
}
