Class: EDN

Inherits:
Object
  • Object
show all
Defined in:
lib/edn-abnf.rb

Constant Summary collapse

@@parser = 
EDNGRAMMARParser.new

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ast_) ⇒ EDN

Returns a new instance of EDN.



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# File 'lib/edn-abnf.rb', line 28

def initialize(ast_)
  @ast = ast_
  @tree = ast.ast
end

Instance Attribute Details

#ast ⇒ Object

Returns the value of attribute ast.



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# File 'lib/edn-abnf.rb', line 27

def ast
  @ast
end

#tree ⇒ Object

Returns the value of attribute tree.



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# File 'lib/edn-abnf.rb', line 27

def tree
  @tree
end

Class Method Details

.from_edn(s) ⇒ Object 



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# File 'lib/edn-abnf.rb', line 18

def self.from_edn(s)
  ast = @@parser.parse s
  if !ast
    raise ArgumentError, "Parse Error:\n" << self.reason(@@parser, s)
  end
  ret = EDN.new(ast)
  ret
end

.reason(parser, s) ⇒ Object 



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# File 'lib/edn-abnf.rb', line 6

def self.reason(parser, s)
  reason = [parser.failure_reason]
  parser.failure_reason =~ /^(Expected .+) after ./m
  expected = $1
  if line = s.lines.to_a[parser.failure_line - 1]
    reason << "#{$1.gsub("\n", '<<<NEWLINE>>>')}:" if expected
    reason << line
    reason << "#{'~' * (parser.failure_column - 1)}^"
  end
  reason.join("\n")
end

Instance Method Details

#deep_clone ⇒ Object 



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# File 'lib/edn-abnf.rb', line 37

def deep_clone
  Marshal.load(Marshal.dump(self))
end

#warn_error(s) ⇒ Object 



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# File 'lib/edn-abnf.rb', line 33

def warn_error(s)
  warn s
  @error = true
end