Module: Plasma::Interpreter::PlasmaGrammar

Includes:
Treetop::Runtime
Included in:
PlasmaGrammarParser
Defined in:
lib/plasma/interpreter/plasma_grammar.rb

Defined Under Namespace

Modules: Apply0, Apply1, Date0, Date1, Decl0, Decl1, Def0, Defun0, Dual0, Expansion0, Fun0, Hash0, Hash1, If0, If1, List0, List1, Num0, Num1, Params0, Params1, Quote0, Regex0, Relation0, Seq0, Seq1, Str0, Template0, Template1, Time0, Year0

Instance Method Summary collapse

Instance Method Details

#_nt_apply ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 1245

def _nt_apply
  start_index = index
  if node_cache[:apply].has_key?(index)
    cached = node_cache[:apply][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_x
    s0 << r2
    if r2
      i3 = index
      r4 = _nt_fun
      if r4
        r3 = r4
      else
        r5 = _nt_sym
        if r5
          r3 = r5
        else
          self.index = i3
          r3 = nil
        end
      end
      s0 << r3
      if r3
        r6 = _nt_s
        s0 << r6
        if r6
          r7 = _nt_plasma
          s0 << r7
          if r7
            s8, i8 = [], index
            loop do
              i9, s9 = index, []
              r10 = _nt_s
              s9 << r10
              if r10
                r11 = _nt_plasma
                s9 << r11
              end
              if s9.last
                r9 = (SyntaxNode).new(input, i9...index, s9)
                r9.extend(Apply0)
              else
                self.index = i9
                r9 = nil
              end
              if r9
                s8 << r9
              else
                break
              end
            end
            r8 = SyntaxNode.new(input, i8...index, s8)
            s0 << r8
            if r8
              r12 = _nt_x
              s0 << r12
              if r12
                if input.index(')', index) == index
                  r13 = (SyntaxNode).new(input, index...(index + 1))
                  @index += 1
                else
                  terminal_parse_failure(')')
                  r13 = nil
                end
                s0 << r13
              end
            end
          end
        end
      end
    end
  end
  if s0.last
    r0 = (ApplyNode).new(input, i0...index, s0)
    r0.extend(Apply1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:apply][start_index] = r0

  return r0
end

#_nt_bool ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 1343

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

  i0 = index
  if input.index('true', index) == index
    r1 = (TrueNode).new(input, index...(index + 4))
    @index += 4
  else
    terminal_parse_failure('true')
    r1 = nil
  end
  if r1
    r0 = r1
  else
    if input.index('false', index) == index
      r2 = (FalseNode).new(input, index...(index + 5))
      @index += 5
    else
      terminal_parse_failure('false')
      r2 = nil
    end
    if r2
      r0 = r2
    else
      self.index = i0
      r0 = nil
    end
  end

  node_cache[:bool][start_index] = r0

  return r0
end

#_nt_date ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 1827

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

  i0, s0 = index, []
  r1 = _nt_year
  s0 << r1
  if r1
    if input.index(Regexp.new('[-]'), index) == index
      r2 = (SyntaxNode).new(input, index...(index + 1))
      @index += 1
    else
      r2 = nil
    end
    s0 << r2
    if r2
      r3 = _nt_dual
      s0 << r3
      if r3
        if input.index(Regexp.new('[-]'), index) == index
          r4 = (SyntaxNode).new(input, index...(index + 1))
          @index += 1
        else
          r4 = nil
        end
        s0 << r4
        if r4
          r5 = _nt_dual
          s0 << r5
          if r5
            i7, s7 = index, []
            r8 = _nt_s
            s7 << r8
            if r8
              r9 = _nt_time
              s7 << r9
            end
            if s7.last
              r7 = (SyntaxNode).new(input, i7...index, s7)
              r7.extend(Date0)
            else
              self.index = i7
              r7 = nil
            end
            if r7
              r6 = r7
            else
              r6 = SyntaxNode.new(input, index...index)
            end
            s0 << r6
          end
        end
      end
    end
  end
  if s0.last
    r0 = (DateNode).new(input, i0...index, s0)
    r0.extend(Date1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:date][start_index] = r0

  return r0
end

#_nt_decl ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 398

def _nt_decl
  start_index = index
  if node_cache[:decl].has_key?(index)
    cached = node_cache[:decl][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_x
    s0 << r2
    if r2
      r4 = _nt_plasma
      if r4
        r3 = r4
      else
        r3 = SyntaxNode.new(input, index...index)
      end
      s0 << r3
      if r3
        s5, i5 = [], index
        loop do
          i6, s6 = index, []
          r7 = _nt_s
          s6 << r7
          if r7
            if input.index('|', index) == index
              r8 = (SyntaxNode).new(input, index...(index + 1))
              @index += 1
            else
              terminal_parse_failure('|')
              r8 = nil
            end
            s6 << r8
            if r8
              r9 = _nt_s
              s6 << r9
              if r9
                r10 = _nt_plasma
                s6 << r10
              end
            end
          end
          if s6.last
            r6 = (SyntaxNode).new(input, i6...index, s6)
            r6.extend(Decl0)
          else
            self.index = i6
            r6 = nil
          end
          if r6
            s5 << r6
          else
            break
          end
        end
        r5 = SyntaxNode.new(input, i5...index, s5)
        s0 << r5
        if r5
          r11 = _nt_x
          s0 << r11
          if r11
            if input.index('|', index) == index
              r12 = (SyntaxNode).new(input, index...(index + 1))
              @index += 1
            else
              terminal_parse_failure('|')
              r12 = nil
            end
            s0 << r12
          end
        end
      end
    end
  end
  if s0.last
    r0 = (DeclNode).new(input, i0...index, s0)
    r0.extend(Decl1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:decl][start_index] = r0

  return r0
end

#_nt_def ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 753

def _nt_def
  start_index = index
  if node_cache[:def].has_key?(index)
    cached = node_cache[:def][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_x
    s0 << r2
    if r2
      if input.index('def', index) == index
        r3 = (SyntaxNode).new(input, index...(index + 3))
        @index += 3
      else
        terminal_parse_failure('def')
        r3 = nil
      end
      s0 << r3
      if r3
        r4 = _nt_s
        s0 << r4
        if r4
          r5 = _nt_sym
          s0 << r5
          if r5
            r6 = _nt_s
            s0 << r6
            if r6
              r7 = _nt_plasma
              s0 << r7
              if r7
                r8 = _nt_x
                s0 << r8
                if r8
                  if input.index(')', index) == index
                    r9 = (SyntaxNode).new(input, index...(index + 1))
                    @index += 1
                  else
                    terminal_parse_failure(')')
                    r9 = nil
                  end
                  s0 << r9
                end
              end
            end
          end
        end
      end
    end
  end
  if s0.last
    r0 = (DefNode).new(input, i0...index, s0)
    r0.extend(Def0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:def][start_index] = r0

  return r0
end

#_nt_defun ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 652

def _nt_defun
  start_index = index
  if node_cache[:defun].has_key?(index)
    cached = node_cache[:defun][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_x
    s0 << r2
    if r2
      if input.index('defun', index) == index
        r3 = (SyntaxNode).new(input, index...(index + 5))
        @index += 5
      else
        terminal_parse_failure('defun')
        r3 = nil
      end
      s0 << r3
      if r3
        r4 = _nt_s
        s0 << r4
        if r4
          r5 = _nt_params
          s0 << r5
          if r5
            r6 = _nt_s
            s0 << r6
            if r6
              r7 = _nt_plasma
              s0 << r7
              if r7
                r8 = _nt_x
                s0 << r8
                if r8
                  if input.index(')', index) == index
                    r9 = (SyntaxNode).new(input, index...(index + 1))
                    @index += 1
                  else
                    terminal_parse_failure(')')
                    r9 = nil
                  end
                  s0 << r9
                end
              end
            end
          end
        end
      end
    end
  end
  if s0.last
    r0 = (DefunNode).new(input, i0...index, s0)
    r0.extend(Defun0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:defun][start_index] = r0

  return r0
end

#_nt_dual ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 1961

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

  i0, s0 = index, []
  if input.index(Regexp.new('[0-9]'), index) == index
    r1 = (SyntaxNode).new(input, index...(index + 1))
    @index += 1
  else
    r1 = nil
  end
  s0 << r1
  if r1
    if input.index(Regexp.new('[0-9]'), index) == index
      r2 = (SyntaxNode).new(input, index...(index + 1))
      @index += 1
    else
      r2 = nil
    end
    s0 << r2
  end
  if s0.last
    r0 = (SyntaxNode).new(input, i0...index, s0)
    r0.extend(Dual0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:dual][start_index] = r0

  return r0
end

#_nt_expansion ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 211

def _nt_expansion
  start_index = index
  if node_cache[:expansion].has_key?(index)
    cached = node_cache[:expansion][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_x
    s0 << r2
    if r2
      r3 = _nt_plasma
      s0 << r3
      if r3
        r4 = _nt_x
        s0 << r4
        if r4
          if input.index(']', index) == index
            r5 = (SyntaxNode).new(input, index...(index + 1))
            @index += 1
          else
            terminal_parse_failure(']')
            r5 = nil
          end
          s0 << r5
        end
      end
    end
  end
  if s0.last
    r0 = (ExpansionNode).new(input, i0...index, s0)
    r0.extend(Expansion0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:expansion][start_index] = r0

  return r0
end

#_nt_fun ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 854

def _nt_fun
  start_index = index
  if node_cache[:fun].has_key?(index)
    cached = node_cache[:fun][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_x
    s0 << r2
    if r2
      if input.index('fun', index) == index
        r3 = (SyntaxNode).new(input, index...(index + 3))
        @index += 3
      else
        terminal_parse_failure('fun')
        r3 = nil
      end
      s0 << r3
      if r3
        r4 = _nt_s
        s0 << r4
        if r4
          r5 = _nt_params
          s0 << r5
          if r5
            r6 = _nt_s
            s0 << r6
            if r6
              r7 = _nt_plasma
              s0 << r7
              if r7
                r8 = _nt_x
                s0 << r8
                if r8
                  if input.index(')', index) == index
                    r9 = (SyntaxNode).new(input, index...(index + 1))
                    @index += 1
                  else
                    terminal_parse_failure(')')
                    r9 = nil
                  end
                  s0 << r9
                end
              end
            end
          end
        end
      end
    end
  end
  if s0.last
    r0 = (FunNode).new(input, i0...index, s0)
    r0.extend(Fun0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:fun][start_index] = r0

  return r0
end

#_nt_hash ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 1445

def _nt_hash
  start_index = index
  if node_cache[:hash].has_key?(index)
    cached = node_cache[:hash][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_x
    s0 << r2
    if r2
      r4 = _nt_relation
      if r4
        r3 = r4
      else
        r3 = SyntaxNode.new(input, index...index)
      end
      s0 << r3
      if r3
        s5, i5 = [], index
        loop do
          i6, s6 = index, []
          r7 = _nt_s
          s6 << r7
          if r7
            r8 = _nt_relation
            s6 << r8
          end
          if s6.last
            r6 = (SyntaxNode).new(input, i6...index, s6)
            r6.extend(Hash0)
          else
            self.index = i6
            r6 = nil
          end
          if r6
            s5 << r6
          else
            break
          end
        end
        r5 = SyntaxNode.new(input, i5...index, s5)
        s0 << r5
        if r5
          r9 = _nt_x
          s0 << r9
          if r9
            if input.index('}', index) == index
              r10 = (SyntaxNode).new(input, index...(index + 1))
              @index += 1
            else
              terminal_parse_failure('}')
              r10 = nil
            end
            s0 << r10
          end
        end
      end
    end
  end
  if s0.last
    r0 = (HashNode).new(input, i0...index, s0)
    r0.extend(Hash1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:hash][start_index] = r0

  return r0
end

#_nt_if ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 1084

def _nt_if
  start_index = index
  if node_cache[:if].has_key?(index)
    cached = node_cache[:if][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_x
    s0 << r2
    if r2
      if input.index('if', index) == index
        r3 = (SyntaxNode).new(input, index...(index + 2))
        @index += 2
      else
        terminal_parse_failure('if')
        r3 = nil
      end
      s0 << r3
      if r3
        r4 = _nt_s
        s0 << r4
        if r4
          r5 = _nt_plasma
          s0 << r5
          if r5
            r6 = _nt_s
            s0 << r6
            if r6
              if input.index('then', index) == index
                r7 = (SyntaxNode).new(input, index...(index + 4))
                @index += 4
              else
                terminal_parse_failure('then')
                r7 = nil
              end
              s0 << r7
              if r7
                r8 = _nt_s
                s0 << r8
                if r8
                  r9 = _nt_plasma
                  s0 << r9
                  if r9
                    i11, s11 = index, []
                    r12 = _nt_s
                    s11 << r12
                    if r12
                      if input.index('else', index) == index
                        r13 = (SyntaxNode).new(input, index...(index + 4))
                        @index += 4
                      else
                        terminal_parse_failure('else')
                        r13 = nil
                      end
                      s11 << r13
                      if r13
                        r14 = _nt_s
                        s11 << r14
                        if r14
                          r15 = _nt_plasma
                          s11 << r15
                        end
                      end
                    end
                    if s11.last
                      r11 = (SyntaxNode).new(input, i11...index, s11)
                      r11.extend(If0)
                    else
                      self.index = i11
                      r11 = nil
                    end
                    if r11
                      r10 = r11
                    else
                      r10 = SyntaxNode.new(input, index...index)
                    end
                    s0 << r10
                    if r10
                      r16 = _nt_x
                      s0 << r16
                      if r16
                        if input.index(')', index) == index
                          r17 = (SyntaxNode).new(input, index...(index + 1))
                          @index += 1
                        else
                          terminal_parse_failure(')')
                          r17 = nil
                        end
                        s0 << r17
                      end
                    end
                  end
                end
              end
            end
          end
        end
      end
    end
  end
  if s0.last
    r0 = (IfNode).new(input, i0...index, s0)
    r0.extend(If1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:if][start_index] = r0

  return r0
end

#_nt_list ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 1621

def _nt_list
  start_index = index
  if node_cache[:list].has_key?(index)
    cached = node_cache[:list][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_x
    s0 << r2
    if r2
      r4 = _nt_plasma
      if r4
        r3 = r4
      else
        r3 = SyntaxNode.new(input, index...index)
      end
      s0 << r3
      if r3
        s5, i5 = [], index
        loop do
          i6, s6 = index, []
          r7 = _nt_s
          s6 << r7
          if r7
            r8 = _nt_plasma
            s6 << r8
          end
          if s6.last
            r6 = (SyntaxNode).new(input, i6...index, s6)
            r6.extend(List0)
          else
            self.index = i6
            r6 = nil
          end
          if r6
            s5 << r6
          else
            break
          end
        end
        r5 = SyntaxNode.new(input, i5...index, s5)
        s0 << r5
        if r5
          r9 = _nt_x
          s0 << r9
          if r9
            if input.index(']', index) == index
              r10 = (SyntaxNode).new(input, index...(index + 1))
              @index += 1
            else
              terminal_parse_failure(']')
              r10 = nil
            end
            s0 << r10
          end
        end
      end
    end
  end
  if s0.last
    r0 = (ListNode).new(input, i0...index, s0)
    r0.extend(List1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:list][start_index] = r0

  return r0
end

#_nt_macro ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 118

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

  i0 = index
  r1 = _nt_quote
  if r1
    r0 = r1
  else
    r2 = _nt_expansion
    if r2
      r0 = r2
    else
      self.index = i0
      r0 = nil
    end
  end

  node_cache[:macro][start_index] = r0

  return r0
end

#_nt_num ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 2176

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

  i0, s0 = index, []
  s1, i1 = [], index
  loop do
    if input.index(Regexp.new('[0-9]'), 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
  s0 << r1
  if r1
    i4, s4 = index, []
    if input.index('.', index) == index
      r5 = (SyntaxNode).new(input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure('.')
      r5 = nil
    end
    s4 << r5
    if r5
      s6, i6 = [], index
      loop do
        if input.index(Regexp.new('[0-9]'), index) == index
          r7 = (SyntaxNode).new(input, index...(index + 1))
          @index += 1
        else
          r7 = nil
        end
        if r7
          s6 << r7
        else
          break
        end
      end
      if s6.empty?
        self.index = i6
        r6 = nil
      else
        r6 = SyntaxNode.new(input, i6...index, s6)
      end
      s4 << r6
    end
    if s4.last
      r4 = (SyntaxNode).new(input, i4...index, s4)
      r4.extend(Num0)
    else
      self.index = i4
      r4 = nil
    end
    if r4
      r3 = r4
    else
      r3 = SyntaxNode.new(input, index...index)
    end
    s0 << r3
  end
  if s0.last
    r0 = (NumNode).new(input, i0...index, s0)
    r0.extend(Num1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:num][start_index] = r0

  return r0
end

#_nt_params ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 957

def _nt_params
  start_index = index
  if node_cache[:params].has_key?(index)
    cached = node_cache[:params][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_x
    s0 << r2
    if r2
      r3 = _nt_sym
      s0 << r3
      if r3
        s4, i4 = [], index
        loop do
          i5, s5 = index, []
          r6 = _nt_s
          s5 << r6
          if r6
            r7 = _nt_sym
            s5 << r7
          end
          if s5.last
            r5 = (SyntaxNode).new(input, i5...index, s5)
            r5.extend(Params0)
          else
            self.index = i5
            r5 = nil
          end
          if r5
            s4 << r5
          else
            break
          end
        end
        r4 = SyntaxNode.new(input, i4...index, s4)
        s0 << r4
        if r4
          r8 = _nt_x
          s0 << r8
          if r8
            if input.index(')', index) == index
              r9 = (SyntaxNode).new(input, index...(index + 1))
              @index += 1
            else
              terminal_parse_failure(')')
              r9 = nil
            end
            s0 << r9
          end
        end
      end
    end
  end
  if s0.last
    r0 = (ParamsNode).new(input, i0...index, s0)
    r0.extend(Params1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:params][start_index] = r0

  return r0
end

#_nt_plain ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 98

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

  if input.index(Regexp.new('[^\\[\\]`\']'), index) == index
    r0 = (SyntaxNode).new(input, index...(index + 1))
    @index += 1
  else
    r0 = nil
  end

  node_cache[:plain][start_index] = r0

  return r0
end

#_nt_plasma ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 263

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

  i0 = index
  r1 = _nt_decl
  if r1
    r0 = r1
  else
    r2 = _nt_seq
    if r2
      r0 = r2
    else
      r3 = _nt_quote
      if r3
        r0 = r3
      else
        r4 = _nt_defun
        if r4
          r0 = r4
        else
          r5 = _nt_def
          if r5
            r0 = r5
          else
            r6 = _nt_fun
            if r6
              r0 = r6
            else
              r7 = _nt_if
              if r7
                r0 = r7
              else
                r8 = _nt_apply
                if r8
                  r0 = r8
                else
                  r9 = _nt_bool
                  if r9
                    r0 = r9
                  else
                    r10 = _nt_sym
                    if r10
                      r0 = r10
                    else
                      r11 = _nt_hash
                      if r11
                        r0 = r11
                      else
                        r12 = _nt_list
                        if r12
                          r0 = r12
                        else
                          r13 = _nt_regex
                          if r13
                            r0 = r13
                          else
                            r14 = _nt_date
                            if r14
                              r0 = r14
                            else
                              r15 = _nt_time
                              if r15
                                r0 = r15
                              else
                                r16 = _nt_str
                                if r16
                                  r0 = r16
                                else
                                  r17 = _nt_num
                                  if r17
                                    r0 = r17
                                  else
                                    self.index = i0
                                    r0 = nil
                                  end
                                end
                              end
                            end
                          end
                        end
                      end
                    end
                  end
                end
              end
            end
          end
        end
      end
    end
  end

  node_cache[:plasma][start_index] = r0

  return r0
end

#_nt_quote ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 152

def _nt_quote
  start_index = index
  if node_cache[:quote].has_key?(index)
    cached = node_cache[:quote][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_template
    s0 << r2
    if r2
      if input.index('\'', index) == index
        r3 = (SyntaxNode).new(input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure('\'')
        r3 = nil
      end
      s0 << r3
    end
  end
  if s0.last
    r0 = (QuoteNode).new(input, i0...index, s0)
    r0.extend(Quote0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:quote][start_index] = r0

  return r0
end

#_nt_regex ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 1711

def _nt_regex
  start_index = index
  if node_cache[:regex].has_key?(index)
    cached = node_cache[:regex][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
      r3 = _nt_regex_char
      if r3
        s2 << r3
      else
        break
      end
    end
    r2 = SyntaxNode.new(input, i2...index, s2)
    s0 << r2
    if r2
      if input.index('/', index) == index
        r4 = (SyntaxNode).new(input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure('/')
        r4 = nil
      end
      s0 << r4
    end
  end
  if s0.last
    r0 = (RegexNode).new(input, i0...index, s0)
    r0.extend(Regex0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:regex][start_index] = r0

  return r0
end

#_nt_regex_char ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 1764

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

  i0 = index
  if input.index('\\/', index) == index
    r1 = (SyntaxNode).new(input, index...(index + 2))
    @index += 2
  else
    terminal_parse_failure('\\/')
    r1 = nil
  end
  if r1
    r0 = r1
  else
    if input.index(Regexp.new('[^/]'), index) == index
      r2 = (SyntaxNode).new(input, index...(index + 1))
      @index += 1
    else
      r2 = nil
    end
    if r2
      r0 = r2
    else
      self.index = i0
      r0 = nil
    end
  end

  node_cache[:regex_char][start_index] = r0

  return r0
end

#_nt_relation ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 1546

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

  i0, s0 = index, []
  r1 = _nt_sym
  s0 << r1
  if r1
    r2 = _nt_x
    s0 << r2
    if r2
      if input.index(':', index) == index
        r3 = (SyntaxNode).new(input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure(':')
        r3 = nil
      end
      s0 << r3
      if r3
        r4 = _nt_x
        s0 << r4
        if r4
          r5 = _nt_plasma
          s0 << r5
        end
      end
    end
  end
  if s0.last
    r0 = (RelationNode).new(input, i0...index, s0)
    r0.extend(Relation0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:relation][start_index] = r0

  return r0
end

#_nt_s ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 2286

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

  s0, i0 = [], index
  loop do
    if input.index(Regexp.new('[ \\n]'), index) == index
      r1 = (SyntaxNode).new(input, index...(index + 1))
      @index += 1
    else
      r1 = nil
    end
    if r1
      s0 << r1
    else
      break
    end
  end
  if s0.empty?
    self.index = i0
    r0 = nil
  else
    r0 = SyntaxNode.new(input, i0...index, s0)
  end

  node_cache[:s][start_index] = r0

  return r0
end

#_nt_seq ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 528

def _nt_seq
  start_index = index
  if node_cache[:seq].has_key?(index)
    cached = node_cache[:seq][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_x
    s0 << r2
    if r2
      r4 = _nt_plasma
      if r4
        r3 = r4
      else
        r3 = SyntaxNode.new(input, index...index)
      end
      s0 << r3
      if r3
        s5, i5 = [], index
        loop do
          i6, s6 = index, []
          r7 = _nt_s
          s6 << r7
          if r7
            if input.index('|', index) == index
              r8 = (SyntaxNode).new(input, index...(index + 1))
              @index += 1
            else
              terminal_parse_failure('|')
              r8 = nil
            end
            s6 << r8
            if r8
              r9 = _nt_s
              s6 << r9
              if r9
                r10 = _nt_plasma
                s6 << r10
              end
            end
          end
          if s6.last
            r6 = (SyntaxNode).new(input, i6...index, s6)
            r6.extend(Seq0)
          else
            self.index = i6
            r6 = nil
          end
          if r6
            s5 << r6
          else
            break
          end
        end
        r5 = SyntaxNode.new(input, i5...index, s5)
        s0 << r5
        if r5
          r11 = _nt_x
          s0 << r11
          if r11
            if input.index(')', index) == index
              r12 = (SyntaxNode).new(input, index...(index + 1))
              @index += 1
            else
              terminal_parse_failure(')')
              r12 = nil
            end
            s0 << r12
          end
        end
      end
    end
  end
  if s0.last
    r0 = (SeqNode).new(input, i0...index, s0)
    r0.extend(Seq1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:seq][start_index] = r0

  return r0
end

#_nt_str ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 2072

def _nt_str
  start_index = index
  if node_cache[:str].has_key?(index)
    cached = node_cache[:str][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
      r3 = _nt_str_char
      if r3
        s2 << r3
      else
        break
      end
    end
    r2 = SyntaxNode.new(input, i2...index, s2)
    s0 << r2
    if r2
      if input.index('"', index) == index
        r4 = (SyntaxNode).new(input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure('"')
        r4 = nil
      end
      s0 << r4
    end
  end
  if s0.last
    r0 = (StrNode).new(input, i0...index, s0)
    r0.extend(Str0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:str][start_index] = r0

  return r0
end

#_nt_str_char ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 2125

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

  i0 = index
  if input.index('\\"', index) == index
    r1 = (SyntaxNode).new(input, index...(index + 2))
    @index += 2
  else
    terminal_parse_failure('\\"')
    r1 = nil
  end
  if r1
    r0 = r1
  else
    if input.index(Regexp.new('[^"]'), index) == index
      r2 = (SyntaxNode).new(input, index...(index + 1))
      @index += 1
    else
      r2 = nil
    end
    if r2
      r0 = r2
    else
      self.index = i0
      r0 = nil
    end
  end

  node_cache[:str_char][start_index] = r0

  return r0
end

#_nt_sym ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 1382

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

  s0, i0 = [], index
  loop do
    if input.index(Regexp.new('[a-z+!\\^&@?*%<>=_-]'), index) == index
      r1 = (SyntaxNode).new(input, index...(index + 1))
      @index += 1
    else
      r1 = nil
    end
    if r1
      s0 << r1
    else
      break
    end
  end
  if s0.empty?
    self.index = i0
    r0 = nil
  else
    r0 = SymNode.new(input, i0...index, s0)
  end

  node_cache[:sym][start_index] = r0

  return r0
end

#_nt_template ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 30

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

  i0, s0 = index, []
  s1, i1 = [], index
  loop do
    r2 = _nt_plain
    if r2
      s1 << r2
    else
      break
    end
  end
  r1 = SyntaxNode.new(input, i1...index, s1)
  s0 << r1
  if r1
    s3, i3 = [], index
    loop do
      i4, s4 = index, []
      r5 = _nt_macro
      s4 << r5
      if r5
        s6, i6 = [], index
        loop do
          r7 = _nt_plain
          if r7
            s6 << r7
          else
            break
          end
        end
        r6 = SyntaxNode.new(input, i6...index, s6)
        s4 << r6
      end
      if s4.last
        r4 = (SyntaxNode).new(input, i4...index, s4)
        r4.extend(Template0)
      else
        self.index = i4
        r4 = nil
      end
      if r4
        s3 << r4
      else
        break
      end
    end
    r3 = SyntaxNode.new(input, i3...index, s3)
    s0 << r3
  end
  if s0.last
    r0 = (TemplateNode).new(input, i0...index, s0)
    r0.extend(Template1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:template][start_index] = r0

  return r0
end

#_nt_time ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 2013

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

  i0, s0 = index, []
  r1 = _nt_dual
  s0 << r1
  if r1
    if input.index(':', index) == index
      r2 = (SyntaxNode).new(input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure(':')
      r2 = nil
    end
    s0 << r2
    if r2
      r3 = _nt_dual
      s0 << r3
      if r3
        if input.index(':', index) == index
          r4 = (SyntaxNode).new(input, index...(index + 1))
          @index += 1
        else
          terminal_parse_failure(':')
          r4 = nil
        end
        s0 << r4
        if r4
          r5 = _nt_dual
          s0 << r5
        end
      end
    end
  end
  if s0.last
    r0 = (TimeNode).new(input, i0...index, s0)
    r0.extend(Time0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:time][start_index] = r0

  return r0
end

#_nt_x ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 2266

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

  r1 = _nt_s
  if r1
    r0 = r1
  else
    r0 = SyntaxNode.new(input, index...index)
  end

  node_cache[:x][start_index] = r0

  return r0
end

#_nt_year ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 1902

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

  i0, s0 = index, []
  if input.index(Regexp.new('[0-9]'), index) == index
    r1 = (SyntaxNode).new(input, index...(index + 1))
    @index += 1
  else
    r1 = nil
  end
  s0 << r1
  if r1
    if input.index(Regexp.new('[0-9]'), index) == index
      r2 = (SyntaxNode).new(input, index...(index + 1))
      @index += 1
    else
      r2 = nil
    end
    s0 << r2
    if r2
      if input.index(Regexp.new('[0-9]'), index) == index
        r3 = (SyntaxNode).new(input, index...(index + 1))
        @index += 1
      else
        r3 = nil
      end
      s0 << r3
      if r3
        if input.index(Regexp.new('[0-9]'), index) == index
          r4 = (SyntaxNode).new(input, index...(index + 1))
          @index += 1
        else
          r4 = nil
        end
        s0 << r4
      end
    end
  end
  if s0.last
    r0 = (SyntaxNode).new(input, i0...index, s0)
    r0.extend(Year0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:year][start_index] = r0

  return r0
end

#root ⇒ Object 



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# File 'lib/plasma/interpreter/plasma_grammar.rb', line 6

def root
  @root || :template
end