In Files

  • irb/slex.rb

IRB::SLex

Public Class Methods

new() click to toggle source
 
               # File irb/slex.rb, line 30
def initialize
  @head = Node.new("")
end
            

Public Instance Methods

create(token, preproc = nil, postproc = nil) click to toggle source
 
               # File irb/slex.rb, line 65
def create(token, preproc = nil, postproc = nil)
  @head.create_subnode(token.split(//), preproc, postproc)
end
            
def_rule(token, preproc = nil, postproc = nil, &block) click to toggle source
 
               # File irb/slex.rb, line 34
def def_rule(token, preproc = nil, postproc = nil, &block)
  D_DETAIL.pp token

  postproc = block if block_given?
  create(token, preproc, postproc)
end
            
def_rules(*tokens, &block) click to toggle source
 
               # File irb/slex.rb, line 41
def def_rules(*tokens, &block)
  if block_given?
    p = block
  end
  for token in tokens
    def_rule(token, nil, p)
  end
end
            
inspect() click to toggle source
 
               # File irb/slex.rb, line 82
def inspect
  format("<SLex: @head = %s>", @head.inspect)
end
            
match(token) click to toggle source
 
               # File irb/slex.rb, line 69
def match(token)
  case token
  when Array
  when String
    return match(token.split(//))
  else
    return @head.match_io(token)
  end
  ret = @head.match(token)
  D_DETAIL.exec_if{D_DEATIL.printf "match end: %s:%s\n", ret, token.inspect}
  ret
end
            
postproc(token) click to toggle source

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               # File irb/slex.rb, line 56
def postproc(token)
  node = search(token, proc)
  node.postproc=proc
end
            
preproc(token, proc) click to toggle source
 
               # File irb/slex.rb, line 50
def preproc(token, proc)
  node = search(token)
  node.preproc=proc
end
            
search(token) click to toggle source
 
               # File irb/slex.rb, line 61
def search(token)
  @head.search(token.split(//))
end
            

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