Module: Brevity::Command

Includes:
Treetop::Runtime
Included in:
CommandParser, File
Defined in:
lib/brevity/parsing/file/command.rb

Defined Under Namespace

Modules: BracedArg0, BracedArg1, Command0

Instance Method Summary collapse

Instance Method Details

#_nt_braced_arg ⇒ Object 



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# File 'lib/brevity/parsing/file/command.rb', line 121

def _nt_braced_arg
  start_index = index
  if node_cache[:braced_arg].has_key?(index)
    cached = node_cache[:braced_arg][index]
    if cached
      node_cache[:braced_arg][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?("{", false, index))
    r1 = true
    @index += match_len
  else
    terminal_parse_failure("{")
    r1 = nil
  end
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      i3, s3 = index, []
      i4 = index
      if (match_len = has_terminal?("}", false, index))
        r5 = true
        @index += match_len
      else
        terminal_parse_failure("}")
        r5 = nil
      end
      if r5
        r4 = nil
      else
        @index = i4
        r4 = instantiate_node(SyntaxNode,input, index...index)
      end
      s3 << r4
      if r4
        if index < input_length
          r6 = true
          @index += 1
        else
          terminal_parse_failure("any character")
          r6 = nil
        end
        s3 << r6
      end
      if s3.last
        r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
        r3.extend(BracedArg0)
      else
        @index = i3
        r3 = nil
      end
      if r3
        s2 << r3
      else
        break
      end
    end
    r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
    s0 << r2
    if r2
      if (match_len = has_terminal?("}", false, index))
        r7 = true
        @index += match_len
      else
        terminal_parse_failure("}")
        r7 = nil
      end
      s0 << r7
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(BracedArg1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:braced_arg][start_index] = r0

  r0
end

#_nt_cmd_name ⇒ Object 



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# File 'lib/brevity/parsing/file/command.rb', line 73

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

  s0, i0 = [], index
  loop do
    if has_terminal?(@regexps[gr = '\A[a-z]'] ||= Regexp.new(gr), :regexp, index)
      r1 = true
      @index += 1
    else
      terminal_parse_failure('[a-z]')
      r1 = nil
    end
    if r1
      s0 << r1
    else
      break
    end
  end
  if s0.empty?
    @index = i0
    r0 = nil
  else
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
  end

  node_cache[:cmd_name][start_index] = r0

  r0
end

#_nt_command ⇒ Object 



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# File 'lib/brevity/parsing/file/command.rb', line 23

def _nt_command
  start_index = index
  if node_cache[:command].has_key?(index)
    cached = node_cache[:command][index]
    if cached
      node_cache[:command][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?("\\", false, index))
    r1 = true
    @index += match_len
  else
    terminal_parse_failure("\\")
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_cmd_name
    s0 << r2
    if r2
      s3, i3 = [], index
      loop do
        r4 = _nt_braced_arg
        if r4
          s3 << r4
        else
          break
        end
      end
      r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
      s0 << r3
    end
  end
  if s0.last
    r0 = instantiate_node(CommandNode,input, i0...index, s0)
    r0.extend(Command0)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:command][start_index] = r0

  r0
end

#root ⇒ Object 



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# File 'lib/brevity/parsing/file/command.rb', line 9

def root
  @root ||= :command
end