Interface Expression

src/main/lombok/ast/Expression.java:26–63

import java.util.List;

public interface Expression extends Node, AnnotationValue {
	/**
	 * Returns the actual amount of parentheses physically around this expression.
	 * 
	 * @see #astParensPositions()
	 * @see #getIntendedParens()
	 */
	int getParens();
	
	/**
	 * Returns the same value as {@link #getParens()}, <i>unless</i> that method returns {@code 0},
	 * and {@link #needsParentheses()} is {@code true}, then this method returns {@code 1}.
	 */
	int getIntendedParens();
	
	/**
	 * Returns the start/end position of each paren pair around this node. The only canonical aspect
	 * of this list is the size of it. The positions are set to appropriate files after parsing, from
	 * the innermost parens at index 0 to the outermost at the final index.
	 * 
	 * @see #getParens()
	 */
	List<Position> astParensPositions();
	
	/**
	 * Returns {@code true} if the expression would need parentheses because without them the interpretation
	 * of this node would be different, due to operator precedence rules.
	 * 
	 * @see #getIntendedParens()
	 */
	boolean needsParentheses();
	
	/**
	 * Returns true if the given expression is a valid statement expression.
	 * Statement expressions can be executed as statements simply by appending a semicolon to them.
	 */
	boolean isStatementExpression();
}