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This is a very small fork of lombok.ast as some Android tools needed a few modifications. The normal repository for lombok.ast is here https://github.com/rzwitserloot/lombok.ast and our changes for 0.2.3 are in this pull request: https://github.com/rzwitserloot/lombok.ast/pull/8

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/*
 * Copyright (C) 2010 The Project Lombok Authors.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package lombok.ast;

public enum UnaryOperator {
	BINARY_NOT("~", false), LOGICAL_NOT("!", false), UNARY_PLUS("+", false), UNARY_MINUS("-", false),
	PREFIX_INCREMENT("++", false), PREFIX_DECREMENT("--", false), POSTFIX_INCREMENT("++", true), POSTFIX_DECREMENT("--", true);
	
	private final String symbol;
	private final boolean postfix;
	
	UnaryOperator(String symbol, boolean postfix) {
		this.symbol = symbol;
		this.postfix = postfix;
	}
	
	public String getSymbol() {
		return symbol;
	}
	
	public boolean isPostfix() {
		return postfix;
	}
	
	public static UnaryOperator fromSymbol(String symbol, boolean postfix) {
		for (UnaryOperator op : values()) {
			if (op.symbol.equals(symbol) && op.postfix == postfix) return op;
		}
		
		return null;
	}
}