Module: Music::Transcription::Parsing::NonnegativeFloat

Includes:
Treetop::Runtime
Included in:
NonnegativeFloatParser, Segment
Defined in:
lib/music-transcription/parsing/numbers/nonnegative_float_parsing.rb

Defined Under Namespace

Modules: Exponent0, Float10, Float20, NonnegativeFloat0

Instance Method Summary collapse

Instance Method Details

#_nt_exponent ⇒ Object 



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# File 'lib/music-transcription/parsing/numbers/nonnegative_float_parsing.rb', line 210

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

  i0, s0 = index, []
  if (match_len = has_terminal?("e", false, index))
    r1 = true
    @index += match_len
  else
    terminal_parse_failure("e")
    r1 = nil
  end
  s0 << r1
  if r1
    if has_terminal?(@regexps[gr = '\A[+-]'] ||= Regexp.new(gr), :regexp, index)
      r3 = true
      @index += 1
    else
      terminal_parse_failure('[+-]')
      r3 = nil
    end
    if r3
      r2 = r3
    else
      r2 = instantiate_node(SyntaxNode,input, index...index)
    end
    s0 << r2
    if r2
      s4, i4 = [], index
      loop do
        if has_terminal?(@regexps[gr = '\A[0-9]'] ||= Regexp.new(gr), :regexp, index)
          r5 = true
          @index += 1
        else
          terminal_parse_failure('[0-9]')
          r5 = nil
        end
        if r5
          s4 << r5
        else
          break
        end
      end
      if s4.empty?
        @index = i4
        r4 = nil
      else
        r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
      end
      s0 << r4
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(Exponent0)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:exponent][start_index] = r0

  r0
end

#_nt_float1 ⇒ Object 



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# File 'lib/music-transcription/parsing/numbers/nonnegative_float_parsing.rb', line 63

def _nt_float1
  start_index = index
  if node_cache[:float1].has_key?(index)
    cached = node_cache[:float1][index]
    if cached
      node_cache[:float1][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  s1, i1 = [], index
  loop do
    if has_terminal?(@regexps[gr = '\A[0-9]'] ||= Regexp.new(gr), :regexp, index)
      r2 = true
      @index += 1
    else
      terminal_parse_failure('[0-9]')
      r2 = nil
    end
    if r2
      s1 << r2
    else
      break
    end
  end
  if s1.empty?
    @index = i1
    r1 = nil
  else
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
  end
  s0 << r1
  if r1
    r3 = _nt_exponent
    s0 << r3
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(Float10)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:float1][start_index] = r0

  r0
end

#_nt_float2 ⇒ Object 



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# File 'lib/music-transcription/parsing/numbers/nonnegative_float_parsing.rb', line 117

def _nt_float2
  start_index = index
  if node_cache[:float2].has_key?(index)
    cached = node_cache[:float2][index]
    if cached
      node_cache[:float2][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  s1, i1 = [], index
  loop do
    if has_terminal?(@regexps[gr = '\A[0-9]'] ||= Regexp.new(gr), :regexp, index)
      r2 = true
      @index += 1
    else
      terminal_parse_failure('[0-9]')
      r2 = nil
    end
    if r2
      s1 << r2
    else
      break
    end
  end
  if s1.empty?
    @index = i1
    r1 = nil
  else
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
  end
  s0 << r1
  if r1
    if has_terminal?(@regexps[gr = '\A[.]'] ||= Regexp.new(gr), :regexp, index)
      r3 = true
      @index += 1
    else
      terminal_parse_failure('[.]')
      r3 = nil
    end
    s0 << r3
    if r3
      s4, i4 = [], index
      loop do
        if has_terminal?(@regexps[gr = '\A[0-9]'] ||= Regexp.new(gr), :regexp, index)
          r5 = true
          @index += 1
        else
          terminal_parse_failure('[0-9]')
          r5 = nil
        end
        if r5
          s4 << r5
        else
          break
        end
      end
      if s4.empty?
        @index = i4
        r4 = nil
      else
        r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
      end
      s0 << r4
      if r4
        r7 = _nt_exponent
        if r7
          r6 = r7
        else
          r6 = instantiate_node(SyntaxNode,input, index...index)
        end
        s0 << r6
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(Float20)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:float2][start_index] = r0

  r0
end

#_nt_nonnegative_float ⇒ Object 



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# File 'lib/music-transcription/parsing/numbers/nonnegative_float_parsing.rb', line 23

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

  i0 = index
  r1 = _nt_float1
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
    r0.extend(NonnegativeFloat0)
  else
    r2 = _nt_float2
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
      r0.extend(NonnegativeFloat0)
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:nonnegative_float][start_index] = r0

  r0
end

#root ⇒ Object 



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

def root
  @root ||= :nonnegative_float
end