Module: Policy

Includes:
Treetop::Runtime
Included in:
PolicyParser
Defined in:
lib/policy.rb

Overview

Treetop grammar for apt-cache policy output

Defined Under Namespace

Modules: AptSource0, AptSource1, AptSource2, AptSource3, Arch0, Candidate0, Candidate1, CurrentMark0, Installed0, Installed1, NotCurrentMark0, PackageEntry0, PackageEntry1, PackageList0, PackageName0, Priority0, Section0, Section1, SourceLine0, SourceLine1, SourceLines0, StatusFile0, Url0, Url1, Version0, Version1, Version2, VersionTable0, VersionTable1, VersionTableEntries0, VersionTableEntry0, VersionTableEntry1

Instance Method Summary collapse

Instance Method Details

#_nt_apt_source ⇒ Object 



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# File 'lib/policy.rb', line 927

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

  i0, s0 = index, []
  r1 = _nt_url
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      if has_terminal?(" ", false, index)
        r3 = instantiate_node(SyntaxNode,input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure(" ")
        r3 = nil
      end
      if r3
        s2 << r3
      else
        break
      end
    end
    if s2.empty?
      @index = i2
      r2 = nil
    else
      r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
    end
    s0 << r2
    if r2
      i5, s5 = index, []
      r6 = _nt_section
      s5 << r6
      if r6
        s7, i7 = [], index
        loop do
          if has_terminal?(" ", false, index)
            r8 = instantiate_node(SyntaxNode,input, index...(index + 1))
            @index += 1
          else
            terminal_parse_failure(" ")
            r8 = nil
          end
          if r8
            s7 << r8
          else
            break
          end
        end
        if s7.empty?
          @index = i7
          r7 = nil
        else
          r7 = instantiate_node(SyntaxNode,input, i7...index, s7)
        end
        s5 << r7
      end
      if s5.last
        r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
        r5.extend(AptSource0)
      else
        @index = i5
        r5 = nil
      end
      if r5
        r4 = r5
      else
        r4 = instantiate_node(SyntaxNode,input, index...index)
      end
      s0 << r4
      if r4
        i10, s10 = index, []
        r11 = _nt_arch
        s10 << r11
        if r11
          s12, i12 = [], index
          loop do
            if has_terminal?(" ", false, index)
              r13 = instantiate_node(SyntaxNode,input, index...(index + 1))
              @index += 1
            else
              terminal_parse_failure(" ")
              r13 = nil
            end
            if r13
              s12 << r13
            else
              break
            end
          end
          if s12.empty?
            @index = i12
            r12 = nil
          else
            r12 = instantiate_node(SyntaxNode,input, i12...index, s12)
          end
          s10 << r12
        end
        if s10.last
          r10 = instantiate_node(SyntaxNode,input, i10...index, s10)
          r10.extend(AptSource1)
        else
          @index = i10
          r10 = nil
        end
        if r10
          r9 = r10
        else
          r9 = instantiate_node(SyntaxNode,input, index...index)
        end
        s0 << r9
        if r9
          if has_terminal?("Packages", false, index)
            r14 = instantiate_node(SyntaxNode,input, index...(index + 8))
            @index += 8
          else
            terminal_parse_failure("Packages")
            r14 = nil
          end
          s0 << r14
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(AptSource2)
    r0.extend(AptSource3)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:apt_source][start_index] = r0

  r0
end

#_nt_arch ⇒ Object 



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# File 'lib/policy.rb', line 1257

def _nt_arch
  start_index = index
  if node_cache[:arch].has_key?(index)
    cached = node_cache[:arch][index]
    if cached
      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?('\G[a-zA-Z0-9]', true, index)
      r1 = true
      @index += 1
    else
      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)
    r0.extend(Arch0)
  end

  node_cache[:arch][start_index] = r0

  r0
end

#_nt_candidate ⇒ Object 



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# File 'lib/policy.rb', line 276

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

  i0, s0 = index, []
  if has_terminal?("Candidate: ", false, index)
    r1 = instantiate_node(SyntaxNode,input, index...(index + 11))
    @index += 11
  else
    terminal_parse_failure("Candidate: ")
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_version
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(Candidate0)
    r0.extend(Candidate1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:candidate][start_index] = r0

  r0
end

#_nt_current_mark ⇒ Object 



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# File 'lib/policy.rb', line 612

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

  if has_terminal?(" *** ", false, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 5))
    r0.extend(CurrentMark0)
    @index += 5
  else
    terminal_parse_failure(" *** ")
    r0 = nil
  end

  node_cache[:current_mark][start_index] = r0

  r0
end

#_nt_installed ⇒ Object 



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# File 'lib/policy.rb', line 226

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

  i0, s0 = index, []
  if has_terminal?("Installed: ", false, index)
    r1 = instantiate_node(SyntaxNode,input, index...(index + 11))
    @index += 11
  else
    terminal_parse_failure("Installed: ")
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_version
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(Installed0)
    r0.extend(Installed1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:installed][start_index] = r0

  r0
end

#_nt_not_current_mark ⇒ Object 



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# File 'lib/policy.rb', line 643

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

  if has_terminal?("     ", false, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 5))
    r0.extend(NotCurrentMark0)
    @index += 5
  else
    terminal_parse_failure("     ")
    r0 = nil
  end

  node_cache[:not_current_mark][start_index] = r0

  r0
end

#_nt_package_entry ⇒ Object 



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# File 'lib/policy.rb', line 80

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

  i0, s0 = index, []
  r1 = _nt_package_name
  s0 << r1
  if r1
    if has_terminal?(":\n", false, index)
      r2 = instantiate_node(SyntaxNode,input, index...(index + 2))
      @index += 2
    else
      terminal_parse_failure(":\n")
      r2 = nil
    end
    s0 << r2
    if r2
      if has_terminal?("  ", false, index)
        r3 = instantiate_node(SyntaxNode,input, index...(index + 2))
        @index += 2
      else
        terminal_parse_failure("  ")
        r3 = nil
      end
      s0 << r3
      if r3
        r4 = _nt_installed
        s0 << r4
        if r4
          if has_terminal?("\n", false, index)
            r5 = instantiate_node(SyntaxNode,input, index...(index + 1))
            @index += 1
          else
            terminal_parse_failure("\n")
            r5 = nil
          end
          s0 << r5
          if r5
            if has_terminal?("  ", false, index)
              r6 = instantiate_node(SyntaxNode,input, index...(index + 2))
              @index += 2
            else
              terminal_parse_failure("  ")
              r6 = nil
            end
            s0 << r6
            if r6
              r7 = _nt_candidate
              s0 << r7
              if r7
                if has_terminal?("\n", false, index)
                  r8 = instantiate_node(SyntaxNode,input, index...(index + 1))
                  @index += 1
                else
                  terminal_parse_failure("\n")
                  r8 = nil
                end
                s0 << r8
                if r8
                  r9 = _nt_version_table
                  s0 << r9
                end
              end
            end
          end
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(PackageEntry0)
    r0.extend(PackageEntry1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:package_entry][start_index] = r0

  r0
end

#_nt_package_list ⇒ Object 



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# File 'lib/policy.rb', line 18

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

  s0, i0 = [], index
  loop do
    r1 = _nt_package_entry
    if r1
      s0 << r1
    else
      break
    end
  end
  if s0.empty?
    @index = i0
    r0 = nil
  else
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(PackageList0)
  end

  node_cache[:package_list][start_index] = r0

  r0
end

#_nt_package_name ⇒ Object 



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# File 'lib/policy.rb', line 176

def _nt_package_name
  start_index = index
  if node_cache[:package_name].has_key?(index)
    cached = node_cache[:package_name][index]
    if cached
      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?('\G[a-z0-9_.+-]', true, index)
      r1 = true
      @index += 1
    else
      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)
    r0.extend(PackageName0)
  end

  node_cache[:package_name][start_index] = r0

  r0
end

#_nt_priority ⇒ Object 



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# File 'lib/policy.rb', line 831

def _nt_priority
  start_index = index
  if node_cache[:priority].has_key?(index)
    cached = node_cache[:priority][index]
    if cached
      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?('\G[0-9]', true, index)
      r1 = true
      @index += 1
    else
      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)
    r0.extend(Priority0)
  end

  node_cache[:priority][start_index] = r0

  r0
end

#_nt_section ⇒ Object 



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# File 'lib/policy.rb', line 1171

def _nt_section
  start_index = index
  if node_cache[:section].has_key?(index)
    cached = node_cache[:section][index]
    if cached
      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?('\G[a-z-]', true, index)
      r2 = true
      @index += 1
    else
      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?("/", false, index)
      r3 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure("/")
      r3 = nil
    end
    s0 << r3
    if r3
      s4, i4 = [], index
      loop do
        if has_terminal?('\G[a-z-]', true, index)
          r5 = true
          @index += 1
        else
          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(Section0)
    r0.extend(Section1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:section][start_index] = r0

  r0
end

#_nt_source_line ⇒ Object 



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# File 'lib/policy.rb', line 723

def _nt_source_line
  start_index = index
  if node_cache[:source_line].has_key?(index)
    cached = node_cache[:source_line][index]
    if cached
      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?(" ", false, index)
      r2 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure(" ")
      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_priority
    s0 << r3
    if r3
      s4, i4 = [], index
      loop do
        if has_terminal?(" ", false, index)
          r5 = instantiate_node(SyntaxNode,input, index...(index + 1))
          @index += 1
        else
          terminal_parse_failure(" ")
          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
        i6 = index
        r7 = _nt_status_file
        if r7
          r6 = r7
        else
          r8 = _nt_apt_source
          if r8
            r6 = r8
          else
            @index = i6
            r6 = nil
          end
        end
        s0 << r6
        if r6
          if has_terminal?("\n", false, index)
            r9 = instantiate_node(SyntaxNode,input, index...(index + 1))
            @index += 1
          else
            terminal_parse_failure("\n")
            r9 = nil
          end
          s0 << r9
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(SourceLine0)
    r0.extend(SourceLine1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:source_line][start_index] = r0

  r0
end

#_nt_source_lines ⇒ Object 



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# File 'lib/policy.rb', line 674

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

  s0, i0 = [], index
  loop do
    r1 = _nt_source_line
    if r1
      s0 << r1
    else
      break
    end
  end
  if s0.empty?
    @index = i0
    r0 = nil
  else
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(SourceLines0)
  end

  node_cache[:source_lines][start_index] = r0

  r0
end

#_nt_status_file ⇒ Object 



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# File 'lib/policy.rb', line 875

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

  if has_terminal?("/var/lib/dpkg/status", false, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 20))
    r0.extend(StatusFile0)
    @index += 20
  else
    terminal_parse_failure("/var/lib/dpkg/status")
    r0 = nil
  end

  node_cache[:status_file][start_index] = r0

  r0
end

#_nt_url ⇒ Object 



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# File 'lib/policy.rb', line 1082

def _nt_url
  start_index = index
  if node_cache[:url].has_key?(index)
    cached = node_cache[:url][index]
    if cached
      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?('\G[a-z]', true, index)
      r2 = true
      @index += 1
    else
      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?("://", false, index)
      r3 = instantiate_node(SyntaxNode,input, index...(index + 3))
      @index += 3
    else
      terminal_parse_failure("://")
      r3 = nil
    end
    s0 << r3
    if r3
      s4, i4 = [], index
      loop do
        if has_terminal?('\G[^ ]', true, index)
          r5 = true
          @index += 1
        else
          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(Url0)
    r0.extend(Url1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:url][start_index] = r0

  r0
end

#_nt_version ⇒ Object 



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# File 'lib/policy.rb', line 326

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

  i0, s0 = index, []
  i2, s2 = index, []
  if has_terminal?('\G[0-9]', true, index)
    r3 = true
    @index += 1
  else
    r3 = nil
  end
  s2 << r3
  if r3
    if has_terminal?(":", false, index)
      r4 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure(":")
      r4 = nil
    end
    s2 << r4
  end
  if s2.last
    r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
    r2.extend(Version0)
  else
    @index = i2
    r2 = nil
  end
  if r2
    r1 = r2
  else
    r1 = instantiate_node(SyntaxNode,input, index...index)
  end
  s0 << r1
  if r1
    s5, i5 = [], index
    loop do
      if has_terminal?('\G[a-zA-Z0-9_.~+-]', true, index)
        r6 = true
        @index += 1
      else
        r6 = nil
      end
      if r6
        s5 << r6
      else
        break
      end
    end
    if s5.empty?
      @index = i5
      r5 = nil
    else
      r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
    end
    s0 << r5
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(Version1)
    r0.extend(Version2)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:version][start_index] = r0

  r0
end

#_nt_version_table ⇒ Object 



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# File 'lib/policy.rb', line 418

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

  i0, s0 = index, []
  if has_terminal?("  Version table:\n", false, index)
    r1 = instantiate_node(SyntaxNode,input, index...(index + 17))
    @index += 17
  else
    terminal_parse_failure("  Version table:\n")
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_version_table_entries
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(VersionTable0)
    r0.extend(VersionTable1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:version_table][start_index] = r0

  r0
end

#_nt_version_table_entries ⇒ Object 



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# File 'lib/policy.rb', line 462

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

  s0, i0 = [], index
  loop do
    r1 = _nt_version_table_entry
    if r1
      s0 << r1
    else
      break
    end
  end
  if s0.empty?
    @index = i0
    r0 = nil
  else
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(VersionTableEntries0)
  end

  node_cache[:version_table_entries][start_index] = r0

  r0
end

#_nt_version_table_entry ⇒ Object 



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# File 'lib/policy.rb', line 515

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

  i0, s0 = index, []
  i1 = index
  r2 = _nt_current_mark
  if r2
    r1 = r2
  else
    r3 = _nt_not_current_mark
    if r3
      r1 = r3
    else
      @index = i1
      r1 = nil
    end
  end
  s0 << r1
  if r1
    r4 = _nt_version
    s0 << r4
    if r4
      if has_terminal?(" ", false, index)
        r5 = instantiate_node(SyntaxNode,input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure(" ")
        r5 = nil
      end
      s0 << r5
      if r5
        s6, i6 = [], index
        loop do
          if has_terminal?('\G[0-9]', true, index)
            r7 = true
            @index += 1
          else
            r7 = nil
          end
          if r7
            s6 << r7
          else
            break
          end
        end
        if s6.empty?
          @index = i6
          r6 = nil
        else
          r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
        end
        s0 << r6
        if r6
          if has_terminal?("\n", false, index)
            r8 = instantiate_node(SyntaxNode,input, index...(index + 1))
            @index += 1
          else
            terminal_parse_failure("\n")
            r8 = nil
          end
          s0 << r8
          if r8
            r9 = _nt_source_lines
            s0 << r9
          end
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(VersionTableEntry0)
    r0.extend(VersionTableEntry1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:version_table_entry][start_index] = r0

  r0
end

#root ⇒ Object 



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# File 'lib/policy.rb', line 8

def root
  @root ||= :package_list
end