Module: SgfGrammar

Includes:
Treetop::Runtime
Included in:
SgfGrammarParser
Defined in:
lib/grammar/sgf-grammar.rb

Defined Under Namespace

Modules: Chunk0, Chunk1, Node0, Node1, Property0, PropertyBracket0, PropertySet0, PropertySet1

Instance Method Summary collapse

Instance Method Details

#_nt_chunk ⇒ Object 



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# File 'lib/grammar/sgf-grammar.rb', line 138

def _nt_chunk
  start_index = index
  if node_cache[:chunk].has_key?(index)
    cached = node_cache[:chunk][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  if input.index(';', index) == index
    r1 = (SyntaxNode).new(input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure(';')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_sp
    s0 << r2
    if r2
      s3, i3 = [], index
      loop do
        r4 = _nt_property_set
        if r4
          s3 << r4
        else
          break
        end
      end
      r3 = SyntaxNode.new(input, i3...index, s3)
      s0 << r3
      if r3
        r5 = _nt_sp
        s0 << r5
      end
    end
  end
  if s0.last
    r0 = (SyntaxNode).new(input, i0...index, s0)
    r0.extend(Chunk0)
    r0.extend(Chunk1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:chunk][start_index] = r0

  return r0
end

#_nt_node ⇒ Object 



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# File 'lib/grammar/sgf-grammar.rb', line 42

def _nt_node
  start_index = index
  if node_cache[:node].has_key?(index)
    cached = node_cache[:node][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  if input.index('(', index) == index
    r1 = (SyntaxNode).new(input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure('(')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_sp
    s0 << r2
    if r2
      s3, i3 = [], index
      loop do
        r4 = _nt_chunk
        if r4
          s3 << r4
        else
          break
        end
      end
      r3 = SyntaxNode.new(input, i3...index, s3)
      s0 << r3
      if r3
        r5 = _nt_sp
        s0 << r5
        if r5
          if input.index(')', index) == index
            r6 = (SyntaxNode).new(input, index...(index + 1))
            @index += 1
          else
            terminal_parse_failure(')')
            r6 = nil
          end
          s0 << r6
          if r6
            r7 = _nt_sp
            s0 << r7
          end
        end
      end
    end
  end
  if s0.last
    r0 = (SyntaxNode).new(input, i0...index, s0)
    r0.extend(Node0)
    r0.extend(Node1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:node][start_index] = r0

  return r0
end

#_nt_property ⇒ Object 



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# File 'lib/grammar/sgf-grammar.rb', line 330

def _nt_property
  start_index = index
  if node_cache[:property].has_key?(index)
    cached = node_cache[:property][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0 = index
  s1, i1 = [], index
  loop do
    if input.index(Regexp.new('[A-Z]'), index) == index
      r2 = (SyntaxNode).new(input, index...(index + 1))
      @index += 1
    else
      r2 = nil
    end
    if r2
      s1 << r2
    else
      break
    end
  end
  if s1.empty?
    self.index = i1
    r1 = nil
  else
    r1 = SyntaxNode.new(input, i1...index, s1)
  end
  if r1
    r0 = r1
  else
    i3, s3 = index, []
    if input.index(Regexp.new('[A-Z]'), index) == index
      r4 = (SyntaxNode).new(input, index...(index + 1))
      @index += 1
    else
      r4 = nil
    end
    s3 << r4
    if r4
      r5 = _nt_sp
      s3 << r5
    end
    if s3.last
      r3 = (SyntaxNode).new(input, i3...index, s3)
      r3.extend(Property0)
    else
      self.index = i3
      r3 = nil
    end
    if r3
      r0 = r3
    else
      self.index = i0
      r0 = nil
    end
  end

  node_cache[:property][start_index] = r0

  return r0
end

#_nt_property_bracket ⇒ Object 



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# File 'lib/grammar/sgf-grammar.rb', line 254

def _nt_property_bracket
  start_index = index
  if node_cache[:property_bracket].has_key?(index)
    cached = node_cache[:property_bracket][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  if input.index('[', index) == index
    r1 = (SyntaxNode).new(input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure('[')
    r1 = nil
  end
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      i3 = index
      if input.index(Regexp.new('[^\\[\\]]'), index) == index
        r4 = (SyntaxNode).new(input, index...(index + 1))
        @index += 1
      else
        r4 = nil
      end
      if r4
        r3 = r4
      else
        r5 = _nt_property_bracket
        if r5
          r3 = r5
        else
          self.index = i3
          r3 = nil
        end
      end
      if r3
        s2 << r3
      else
        break
      end
    end
    r2 = SyntaxNode.new(input, i2...index, s2)
    s0 << r2
    if r2
      if input.index(']', index) == index
        r6 = (SyntaxNode).new(input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure(']')
        r6 = nil
      end
      s0 << r6
    end
  end
  if s0.last
    r0 = (SyntaxNode).new(input, i0...index, s0)
    r0.extend(PropertyBracket0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:property_bracket][start_index] = r0

  return r0
end

#_nt_property_set ⇒ Object 



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# File 'lib/grammar/sgf-grammar.rb', line 209

def _nt_property_set
  start_index = index
  if node_cache[:property_set].has_key?(index)
    cached = node_cache[:property_set][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_property
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      r3 = _nt_property_bracket
      if r3
        s2 << r3
      else
        break
      end
    end
    r2 = SyntaxNode.new(input, i2...index, s2)
    s0 << r2
    if r2
      r4 = _nt_sp
      s0 << r4
    end
  end
  if s0.last
    r0 = (SyntaxNode).new(input, i0...index, s0)
    r0.extend(PropertySet0)
    r0.extend(PropertySet1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:property_set][start_index] = r0

  return r0
end

#_nt_sp ⇒ Object 



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# File 'lib/grammar/sgf-grammar.rb', line 394

def _nt_sp
  start_index = index
  if node_cache[:sp].has_key?(index)
    cached = node_cache[:sp][index]
    @index = cached.interval.end if cached
    return cached
  end

  s0, i0 = [], index
  loop do
    if input.index(Regexp.new('[\\r\\n\\t ]'), index) == index
      r1 = (SyntaxNode).new(input, index...(index + 1))
      @index += 1
    else
      r1 = nil
    end
    if r1
      s0 << r1
    else
      break
    end
  end
  r0 = SyntaxNode.new(input, i0...index, s0)

  node_cache[:sp][start_index] = r0

  return r0
end

#root ⇒ Object 



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# File 'lib/grammar/sgf-grammar.rb', line 4

def root
  @root || :node
end