Class Expression

java.lang.Object

com.igormaznitsa.jcp.expression.Expression

public class Expression
extends Object

The main class to calculate expressions

Author:

Igor Maznitsa (igor.maznitsa@igormaznitsa.com)

Method Summary

Modifier and Type	Method	Description
static Value	evalExpression(String expression, PreprocessorContext context)	Evaluate expression
static Value	evalTree(ExpressionTree tree, PreprocessorContext context)	Evaluate an expression tree

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

evalExpression

public static Value evalExpression(String expression,
 PreprocessorContext context)

Evaluate expression

Parameters:

expression - the expression as a String, must not be null

context - a preprocessor context to be used for expression operations

Returns:

the result as a Value object, it can't be null

evalTree

public static Value evalTree(ExpressionTree tree,
 PreprocessorContext context)

Evaluate an expression tree

Parameters:

tree - an expression tree, it must not be null

context - a preprocessor context to be used for expression operations

Returns:

the result as a Value object, it can't be null