Module: Music::Transcription::Parsing::Pitch

Includes:
NonnegativeInteger, Treetop::Runtime
Included in:
Link, Note, PitchParser
Defined in:
lib/music-transcription/parsing/pitch_parsing.rb

Defined Under Namespace

Modules: Cent0, Cent1, LetterA0, LetterB0, LetterC0, LetterD0, LetterE0, LetterF0, LetterG0, Octave0, Octave1, Pitch0

Instance Method Summary collapse

Methods included from NonnegativeInteger

#_nt_nonnegative_integer

Instance Method Details

#_nt_cent ⇒ Object 



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# File 'lib/music-transcription/parsing/pitch_parsing.rb', line 138

def _nt_cent
  start_index = index
  if node_cache[:cent].has_key?(index)
    cached = node_cache[:cent][index]
    if cached
      node_cache[:cent][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  if has_terminal?(@regexps[gr = '\A[+-]'] ||= Regexp.new(gr), :regexp, index)
    r1 = true
    @index += 1
  else
    terminal_parse_failure('[+-]')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_nonnegative_integer
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(Cent0)
    r0.extend(Cent1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:cent][start_index] = r0

  r0
end

#_nt_letter_a ⇒ Object 



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# File 'lib/music-transcription/parsing/pitch_parsing.rb', line 242

def _nt_letter_a
  start_index = index
  if node_cache[:letter_a].has_key?(index)
    cached = node_cache[:letter_a][index]
    if cached
      node_cache[:letter_a][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  if has_terminal?(@regexps[gr = '\A[Aa]'] ||= Regexp.new(gr), :regexp, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 1))
    r0.extend(LetterA0)
    @index += 1
  else
    terminal_parse_failure('[Aa]')
    r0 = nil
  end

  node_cache[:letter_a][start_index] = r0

  r0
end

#_nt_letter_b ⇒ Object 



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# File 'lib/music-transcription/parsing/pitch_parsing.rb', line 271

def _nt_letter_b
  start_index = index
  if node_cache[:letter_b].has_key?(index)
    cached = node_cache[:letter_b][index]
    if cached
      node_cache[:letter_b][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  if has_terminal?(@regexps[gr = '\A[Bb]'] ||= Regexp.new(gr), :regexp, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 1))
    r0.extend(LetterB0)
    @index += 1
  else
    terminal_parse_failure('[Bb]')
    r0 = nil
  end

  node_cache[:letter_b][start_index] = r0

  r0
end

#_nt_letter_c ⇒ Object 



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# File 'lib/music-transcription/parsing/pitch_parsing.rb', line 300

def _nt_letter_c
  start_index = index
  if node_cache[:letter_c].has_key?(index)
    cached = node_cache[:letter_c][index]
    if cached
      node_cache[:letter_c][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  if has_terminal?(@regexps[gr = '\A[Cc]'] ||= Regexp.new(gr), :regexp, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 1))
    r0.extend(LetterC0)
    @index += 1
  else
    terminal_parse_failure('[Cc]')
    r0 = nil
  end

  node_cache[:letter_c][start_index] = r0

  r0
end

#_nt_letter_d ⇒ Object 



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# File 'lib/music-transcription/parsing/pitch_parsing.rb', line 329

def _nt_letter_d
  start_index = index
  if node_cache[:letter_d].has_key?(index)
    cached = node_cache[:letter_d][index]
    if cached
      node_cache[:letter_d][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  if has_terminal?(@regexps[gr = '\A[Dd]'] ||= Regexp.new(gr), :regexp, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 1))
    r0.extend(LetterD0)
    @index += 1
  else
    terminal_parse_failure('[Dd]')
    r0 = nil
  end

  node_cache[:letter_d][start_index] = r0

  r0
end

#_nt_letter_e ⇒ Object 



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# File 'lib/music-transcription/parsing/pitch_parsing.rb', line 358

def _nt_letter_e
  start_index = index
  if node_cache[:letter_e].has_key?(index)
    cached = node_cache[:letter_e][index]
    if cached
      node_cache[:letter_e][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  if has_terminal?(@regexps[gr = '\A[Ee]'] ||= Regexp.new(gr), :regexp, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 1))
    r0.extend(LetterE0)
    @index += 1
  else
    terminal_parse_failure('[Ee]')
    r0 = nil
  end

  node_cache[:letter_e][start_index] = r0

  r0
end

#_nt_letter_f ⇒ Object 



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# File 'lib/music-transcription/parsing/pitch_parsing.rb', line 387

def _nt_letter_f
  start_index = index
  if node_cache[:letter_f].has_key?(index)
    cached = node_cache[:letter_f][index]
    if cached
      node_cache[:letter_f][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  if has_terminal?(@regexps[gr = '\A[Ff]'] ||= Regexp.new(gr), :regexp, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 1))
    r0.extend(LetterF0)
    @index += 1
  else
    terminal_parse_failure('[Ff]')
    r0 = nil
  end

  node_cache[:letter_f][start_index] = r0

  r0
end

#_nt_letter_g ⇒ Object 



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# File 'lib/music-transcription/parsing/pitch_parsing.rb', line 416

def _nt_letter_g
  start_index = index
  if node_cache[:letter_g].has_key?(index)
    cached = node_cache[:letter_g][index]
    if cached
      node_cache[:letter_g][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  if has_terminal?(@regexps[gr = '\A[Gg]'] ||= Regexp.new(gr), :regexp, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 1))
    r0.extend(LetterG0)
    @index += 1
  else
    terminal_parse_failure('[Gg]')
    r0 = nil
  end

  node_cache[:letter_g][start_index] = r0

  r0
end

#_nt_octave ⇒ Object 



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# File 'lib/music-transcription/parsing/pitch_parsing.rb', line 100

def _nt_octave
  start_index = index
  if node_cache[:octave].has_key?(index)
    cached = node_cache[:octave][index]
    if cached
      node_cache[:octave][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_nonnegative_integer
  s0 << r1
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(Octave0)
    r0.extend(Octave1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:octave][start_index] = r0

  r0
end

#_nt_pitch ⇒ Object 



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# File 'lib/music-transcription/parsing/pitch_parsing.rb', line 35

def _nt_pitch
  start_index = index
  if node_cache[:pitch].has_key?(index)
    cached = node_cache[:pitch][index]
    if cached
      node_cache[:pitch][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_pitch_letter
  s0 << r1
  if r1
    if has_terminal?(@regexps[gr = '\A[#b]'] ||= Regexp.new(gr), :regexp, index)
      r3 = true
      @index += 1
    else
      terminal_parse_failure('[#b]')
      r3 = nil
    end
    if r3
      r2 = r3
    else
      r2 = instantiate_node(SyntaxNode,input, index...index)
    end
    s0 << r2
    if r2
      r4 = _nt_octave
      s0 << r4
      if r4
        r6 = _nt_cent
        if r6
          r5 = r6
        else
          r5 = instantiate_node(SyntaxNode,input, index...index)
        end
        s0 << r5
      end
    end
  end
  if s0.last
    r0 = instantiate_node(PitchNode,input, i0...index, s0)
    r0.extend(Pitch0)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:pitch][start_index] = r0

  r0
end

#_nt_pitch_letter ⇒ Object 



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# File 'lib/music-transcription/parsing/pitch_parsing.rb', line 176

def _nt_pitch_letter
  start_index = index
  if node_cache[:pitch_letter].has_key?(index)
    cached = node_cache[:pitch_letter][index]
    if cached
      node_cache[:pitch_letter][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  r1 = _nt_letter_a
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    r2 = _nt_letter_b
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      r3 = _nt_letter_c
      if r3
        r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
        r0 = r3
      else
        r4 = _nt_letter_d
        if r4
          r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
          r0 = r4
        else
          r5 = _nt_letter_e
          if r5
            r5 = SyntaxNode.new(input, (index-1)...index) if r5 == true
            r0 = r5
          else
            r6 = _nt_letter_f
            if r6
              r6 = SyntaxNode.new(input, (index-1)...index) if r6 == true
              r0 = r6
            else
              r7 = _nt_letter_g
              if r7
                r7 = SyntaxNode.new(input, (index-1)...index) if r7 == true
                r0 = r7
              else
                @index = i0
                r0 = nil
              end
            end
          end
        end
      end
    end
  end

  node_cache[:pitch_letter][start_index] = r0

  r0
end

#root ⇒ Object 



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# File 'lib/music-transcription/parsing/pitch_parsing.rb', line 11

def root
  @root ||= :pitch
end