abstract class Lexer in Plug 7

Base class for writing simple lexers, i.e. for creating small DSLs.

Lexer moved into its own Component Doctrine\Common\Lexer. This class only stays for being BC.

@since 2.0 @author Guilherme Blanco <[e-mail]> @author Jonathan Wage <[e-mail]> @author Roman Borschel <[e-mail]>

Hierarchy

• class \Doctrine\Common\Lexer\AbstractLexer
  • class \Doctrine\Common\Lexer

File

lib/doctrine/common/lib/Doctrine/Common/Lexer.php, line 35

Namespace

Doctrine\Common

abstract class Lexer extends AbstractLexer {

}

Members

Name	Modifiers	Type	Description	Overrides
AbstractLexer::$input	private	property	Lexer original input string.
AbstractLexer::$lookahead	public	property	The next token in the input.
AbstractLexer::$peek	private	property	Current peek of current lexer position.
AbstractLexer::$position	private	property	Current lexer position in input string.
AbstractLexer::$token	public	property	The last matched/seen token.
AbstractLexer::$tokens	private	property	Array of scanned tokens.
AbstractLexer::getCatchablePatterns	abstract protected	function	Lexical catchable patterns.	1
AbstractLexer::getInputUntilPosition	public	function	Retrieve the original lexer's input until a given position.
AbstractLexer::getLiteral	public	function	Gets the literal for a given token.
AbstractLexer::getModifiers	protected	function	Regex modifiers
AbstractLexer::getNonCatchablePatterns	abstract protected	function	Lexical non-catchable patterns.	1
AbstractLexer::getType	abstract protected	function	Retrieve token type. Also processes the token value if necessary.	1
AbstractLexer::glimpse	public	function	Peeks at the next token, returns it and immediately resets the peek.
AbstractLexer::isA	public	function	Checks if given value is identical to the given token.
AbstractLexer::isNextToken	public	function	Checks whether a given token matches the current lookahead.
AbstractLexer::isNextTokenAny	public	function	Checks whether any of the given tokens matches the current lookahead.
AbstractLexer::moveNext	public	function	Moves to the next token in the input string.
AbstractLexer::peek	public	function	Moves the lookahead token forward.
AbstractLexer::reset	public	function	Resets the lexer.
AbstractLexer::resetPeek	public	function	Resets the peek pointer to 0.
AbstractLexer::resetPosition	public	function	Resets the lexer position on the input to the given position.
AbstractLexer::scan	protected	function	Scans the input string for tokens.
AbstractLexer::setInput	public	function	Sets the input data to be tokenized.
AbstractLexer::skipUntil	public	function	Tells the lexer to skip input tokens until it sees a token with the given value.