Module: Yaparc::Parsable

Included in:
AbstractParser, Alt, Apply, Char, Digit, Fail, Ident, Identifier, Item, Literal, Many, ManyOne, Nat, Natural, NoFail, Regex, Satisfy, Seq, Space, String, Succeed, Symbol, Tokenize, WhiteSpace, ZeroOne
Defined in:
lib/yaparc.rb

Overview

of module Result

Defined Under Namespace

Modules: ClassMethods

Constant Summary collapse

IS_LOWER = 
lambda {|c| c >= 'a' and c <= 'z'}
IS_ALPHANUM = 
lambda {|c| (c >= 'a' and c <= 'z') or (c >= '0' and c <= '9')}
IS_DIGIT = 
lambda {|i| i >= '0' and i <= '9'}
IS_SPACE = 
lambda {|i| i == ' '}
IS_WHITESPACE = 
lambda {|i| i == ' ' or i == "\n" or i == "\t"}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#tree ⇒ Object

Returns the value of attribute tree.



23
24
25
 
# File 'lib/yaparc.rb', line 23

def tree
  @tree
end

Class Method Details

.included(mod) ⇒ Object 



31
32
33
 
# File 'lib/yaparc.rb', line 31

def self.included(mod)
  mod.extend ClassMethods
end

Instance Method Details

#eval ⇒ Object 



51
52
53
 
# File 'lib/yaparc.rb', line 51

def eval
  tree = parse(input)
end

#parse(input, &block) ⇒ Object 



35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
 
# File 'lib/yaparc.rb', line 35

def parse(input, &block)
  result = @parser.call(input)

  if result.respond_to? :parse
    result = result.parse(input)
  else
    if block_given?
      result.value = yield result.value
      @tree = result
    else
      @tree = result.value
    end
    result
  end
end