Parsing and lexing

Table of Contents

• Introduction
• Installing/Configuring
  • Requirements
  • Installation
• Predefined Constants
• Pattern matching — Parle pattern matching
  • Character representations
  • Character classes
  • Unicode character classes
  • Alternation and repetition
  • Anchors
  • Grouping
• Examples
  • Lexer examples
  • Parser examples
• Parle\Lexer — The Parle\Lexer class
  • Parle\Lexer::advance — Process next lexer rule
  • Parle\Lexer::build — Finalize the lexer rule set
  • Parle\Lexer::callout — Define token callback
  • Parle\Lexer::consume — Pass the data for processing
  • Parle\Lexer::dump — Dump the state machine
  • Parle\Lexer::getToken — Retrieve the current token
  • Parle\Lexer::insertMacro — Insert regex macro
  • Parle\Lexer::push — Add a lexer rule
  • Parle\Lexer::reset — Reset lexer
• Parle\RLexer — The Parle\RLexer class
  • Parle\RLexer::advance — Process next lexer rule
  • Parle\RLexer::build — Finalize the lexer rule set
  • Parle\RLexer::callout — Define token callback
  • Parle\RLexer::consume — Pass the data for processing
  • Parle\RLexer::dump — Dump the state machine
  • Parle\RLexer::getToken — Retrieve the current token
  • Parle\RLexer::insertMacro — Insert regex macro
  • Parle\RLexer::push — Add a lexer rule
  • Parle\RLexer::pushState — Push a new start state
  • Parle\RLexer::reset — Reset lexer
• Parle\Parser — The Parle\Parser class
  • Parle\Parser::advance — Process next parser rule
  • Parle\Parser::build — Finalize the grammar rules
  • Parle\Parser::consume — Consume the data for processing
  • Parle\Parser::dump — Dump the grammar
  • Parle\Parser::errorInfo — Retrieve the error information
  • Parle\Parser::left — Declare a token with left-associativity
  • Parle\Parser::nonassoc — Declare a token with no associativity
  • Parle\Parser::precedence — Declare a precedence rule
  • Parle\Parser::push — Add a grammar rule
  • Parle\Parser::reset — Reset parser state
  • Parle\Parser::right — Declare a token with right-associativity
  • Parle\Parser::sigil — Retrieve a matching part of a rule
  • Parle\Parser::sigilCount — Number of elements in matched rule
  • Parle\Parser::sigilName — Retrieve a rule or token name
  • Parle\Parser::token — Declare a token
  • Parle\Parser::tokenId — Get token id
  • Parle\Parser::trace — Trace the parser operation
  • Parle\Parser::validate — Validate input
• Parle\RParser — The Parle\RParser class
  • Parle\RParser::advance — Process next parser rule
  • Parle\RParser::build — Finalize the grammar rules
  • Parle\RParser::consume — Consume the data for processing
  • Parle\RParser::dump — Dump the grammar
  • Parle\RParser::errorInfo — Retrieve the error information
  • Parle\RParser::left — Declare a token with left-associativity
  • Parle\RParser::nonassoc — Declare a token with no associativity
  • Parle\RParser::precedence — Declare a precedence rule
  • Parle\RParser::push — Add a grammar rule
  • Parle\RParser::reset — Reset parser state
  • Parle\RParser::right — Declare a token with right-associativity
  • Parle\RParser::sigil — Retrieve a matching part of a rule
  • Parle\RParser::sigilCount — Number of elements in matched rule
  • Parle\RParser::sigilName — Retrieve a rule or token name
  • Parle\RParser::token — Declare a token
  • Parle\RParser::tokenId — Get token id
  • Parle\RParser::trace — Trace the parser operation
  • Parle\RParser::validate — Validate input
• Parle\Stack — The Parle\Stack class
  • Parle\Stack::pop — Pop an item from the stack
  • Parle\Stack::push — Push an item into the stack
• Parle\Token — The Parle\Token class
• Parle\ErrorInfo — The Parle\ErrorInfo class
• Parle\LexerException — The Parle\LexerException class
• Parle\ParserException — The Parle\ParserException class