Package com.github.beothorn.agent.parser

Class Lexer

java.lang.Object

com.github.beothorn.agent.parser.Lexer

public class Lexer
extends Object

Constructor Summary

Constructors

Constructor	Description
Lexer()

Method Summary

Modifier and Type	Method	Description
static Deque<Token>	tokenize(String input)	This Lexer will generate tokens for our string matcher.

Methods inherited from class java.lang.Object

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

Constructor Details

Lexer

public Lexer()

Method Details

tokenize

public static Deque<Token> tokenize(String input)
                             throws CompilationException

This Lexer will generate tokens for our string matcher. For example given the expression: (foobar||endsWith(baz) && !qux) we would get the tokens: {LEFT_PAREN, STRING_VALUE("foobar"), OPERATOR_OR("||"), FUNCTION_CALL("endsWith"), LEFT_PAREN("())") STRING_VALUE("baz"), OPERATOR_AND("&&"), OPERATOR_NOT("!"), RIGHT_PAREN(")")}

Parameters:

input - The expression to be tokenized

Throws:

CompilationException - with clear error message