Class: Rouge::Lexers::Awk

Inherits:
RegexLexer show all
Defined in:
lib/rouge/lexers/awk.rb

Constant Summary

Constants inherited from RegexLexer

RegexLexer::MAX_NULL_SCANS

Constants included from Token::Tokens

Token::Tokens::Num, Token::Tokens::Str

Instance Attribute Summary

Attributes inherited from Rouge::Lexer

#options

Class Method Summary collapse

Methods inherited from RegexLexer

append, #delegate, #goto, #group, #groups, #in_state?, #pop!, prepend, #push, #recurse, replace_state, #reset!, #reset_stack, #stack, start, start_procs, state, #state, #state?, state_definitions, states, #step, #stream_tokens, #token

Methods inherited from Rouge::Lexer

aliases, all, #as_bool, #as_lexer, #as_list, #as_string, #as_token, #bool_option, continue_lex, #continue_lex, debug_enabled?, demo, demo_file, desc, detectable?, disable_debug!, enable_debug!, filenames, find, find_fancy, guess, guess_by_filename, guess_by_mimetype, guess_by_source, guesses, #hash_option, #initialize, lex, #lex, #lexer_option, #list_option, lookup_fancy, mimetypes, option, option_docs, #reset!, #stream_tokens, #string_option, #tag, tag, title, #token_option, #with

Methods included from Token::Tokens

token

Constructor Details

This class inherits a constructor from Rouge::Lexer

Class Method Details

.builtins ⇒ Object 



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# File 'lib/rouge/lexers/awk.rb', line 42

def self.builtins
  @builtins ||= %w(
    exp log sqrt sin cos atan2 length rand srand int substr index match
    split sub gsub sprintf system tolower toupper
  )
end

.constants ⇒ Object 



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# File 'lib/rouge/lexers/awk.rb', line 35

def self.constants
  @constants ||= Set.new %w(
    CONVFMT FS NF NR FNR FILENAME RS OFS ORS OFMT SUBSEP ARGC ARGV
    ENVIRON
  )
end

.declarations ⇒ Object 



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# File 'lib/rouge/lexers/awk.rb', line 27

def self.declarations
  @declarations ||= Set.new %w(function)
end

.detect?(text) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rouge/lexers/awk.rb', line 14

def self.detect?(text)
  return true if text.shebang?('awk')
end

.keywords ⇒ Object 



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# File 'lib/rouge/lexers/awk.rb', line 20

def self.keywords
  @keywords ||= Set.new %w(
    if else while for do break continue return next nextfile delete
    exit print printf getline
  )
end

.reserved ⇒ Object 



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# File 'lib/rouge/lexers/awk.rb', line 31

def self.reserved
  @reserved ||= Set.new %w(BEGIN END)
end