Module: SimpleSem

Includes:
Arithmetic, Treetop::Runtime
Included in:
SimpleSemParser
Defined in:
lib/simplesem/simple_sem.rb

Defined Under Namespace

Modules: Comma0, DataLookup0, DataLookup1, Halt0, Ip0, JumpStmt0, JumpStmt1, JumptStmt0, JumptStmt1, Primary0, Primary1, SetStmtAssign0, SetStmtAssign1, SetStmtRead0, SetStmtRead1, SetStmtWrite0, SetStmtWrite1, SetStmtWrite2, SetStmtWrite3, SetStmtWrite4

Instance Method Summary collapse

Methods included from Arithmetic

#_nt_additive, #_nt_additive_op, #_nt_comparative, #_nt_comparison_op, #_nt_expression, #_nt_multitive, #_nt_multitive_op, #_nt_number, #_nt_space

Instance Method Details

#_nt_comma ⇒ Object 



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# File 'lib/simplesem/simple_sem.rb', line 781

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

  i0, s0 = index, []
  r1 = _nt_space
  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_space
      s0 << r3
    end
  end
  if s0.last
    r0 = (SyntaxNode).new(input, i0...index, s0)
    r0.extend(Comma0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:comma][start_index] = r0

  return r0
end

#_nt_data_lookup ⇒ Object 



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# File 'lib/simplesem/simple_sem.rb', line 698

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

  i0, s0 = index, []
  if input.index('D[', index) == index
    r1 = (SyntaxNode).new(input, index...(index + 2))
    @index += 2
  else
    terminal_parse_failure('D[')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_additive
    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 = (SyntaxNode).new(input, i0...index, s0)
    r0.extend(DataLookup0)
    r0.extend(DataLookup1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:data_lookup][start_index] = r0

  return r0
end

#_nt_halt ⇒ Object 



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# File 'lib/simplesem/simple_sem.rb', line 53

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

  if input.index('halt', index) == index
    r0 = (SyntaxNode).new(input, index...(index + 4))
    r0.extend(Halt0)
    @index += 4
  else
    terminal_parse_failure('halt')
    r0 = nil
  end

  node_cache[:halt][start_index] = r0

  return r0
end

#_nt_ip ⇒ Object 



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# File 'lib/simplesem/simple_sem.rb', line 749

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

  if input.index('ip', index) == index
    r0 = (SyntaxNode).new(input, index...(index + 2))
    r0.extend(Ip0)
    @index += 2
  else
    terminal_parse_failure('ip')
    r0 = nil
  end

  node_cache[:ip][start_index] = r0

  return r0
end

#_nt_jump_stmt ⇒ Object 



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# File 'lib/simplesem/simple_sem.rb', line 477

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

  i0, s0 = index, []
  if input.index('jump', index) == index
    r1 = (SyntaxNode).new(input, index...(index + 4))
    @index += 4
  else
    terminal_parse_failure('jump')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_space
    s0 << r2
    if r2
      r3 = _nt_additive
      s0 << r3
    end
  end
  if s0.last
    r0 = (SyntaxNode).new(input, i0...index, s0)
    r0.extend(JumpStmt0)
    r0.extend(JumpStmt1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:jump_stmt][start_index] = r0

  return r0
end

#_nt_jumpt_stmt ⇒ Object 



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# File 'lib/simplesem/simple_sem.rb', line 542

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

  i0, s0 = index, []
  if input.index('jumpt', index) == index
    r1 = (SyntaxNode).new(input, index...(index + 5))
    @index += 5
  else
    terminal_parse_failure('jumpt')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_space
    s0 << r2
    if r2
      r3 = _nt_additive
      s0 << r3
      if r3
        r4 = _nt_comma
        s0 << r4
        if r4
          r5 = _nt_expression
          s0 << r5
        end
      end
    end
  end
  if s0.last
    r0 = (SyntaxNode).new(input, i0...index, s0)
    r0.extend(JumptStmt0)
    r0.extend(JumptStmt1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:jumpt_stmt][start_index] = r0

  return r0
end

#_nt_primary ⇒ Object 



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# File 'lib/simplesem/simple_sem.rb', line 610

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

  i0 = index
  r1 = _nt_ip
  if r1
    r0 = r1
  else
    r2 = _nt_data_lookup
    if r2
      r0 = r2
    else
      r3 = _nt_number
      if r3
        r0 = r3
      else
        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
          r6 = _nt_space
          s4 << r6
          if r6
            r7 = _nt_expression
            s4 << r7
            if r7
              r8 = _nt_space
              s4 << r8
              if r8
                if input.index(')', index) == index
                  r9 = (SyntaxNode).new(input, index...(index + 1))
                  @index += 1
                else
                  terminal_parse_failure(')')
                  r9 = nil
                end
                s4 << r9
              end
            end
          end
        end
        if s4.last
          r4 = (SyntaxNode).new(input, i4...index, s4)
          r4.extend(Primary0)
          r4.extend(Primary1)
        else
          self.index = i4
          r4 = nil
        end
        if r4
          r0 = r4
        else
          self.index = i0
          r0 = nil
        end
      end
    end
  end

  node_cache[:primary][start_index] = r0

  return r0
end

#_nt_set_stmt ⇒ Object 



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# File 'lib/simplesem/simple_sem.rb', line 75

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

  i0 = index
  r1 = _nt_set_stmt_assign
  if r1
    r0 = r1
  else
    r2 = _nt_set_stmt_write
    if r2
      r0 = r2
    else
      r3 = _nt_set_stmt_read
      if r3
        r0 = r3
      else
        self.index = i0
        r0 = nil
      end
    end
  end

  node_cache[:set_stmt][start_index] = r0

  return r0
end

#_nt_set_stmt_assign ⇒ Object 



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# File 'lib/simplesem/simple_sem.rb', line 131

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

  i0, s0 = index, []
  if input.index('set', index) == index
    r1 = (SyntaxNode).new(input, index...(index + 3))
    @index += 3
  else
    terminal_parse_failure('set')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_space
    s0 << r2
    if r2
      r3 = _nt_additive
      s0 << r3
      if r3
        r4 = _nt_comma
        s0 << r4
        if r4
          r5 = _nt_additive
          s0 << r5
        end
      end
    end
  end
  if s0.last
    r0 = (SyntaxNode).new(input, i0...index, s0)
    r0.extend(SetStmtAssign0)
    r0.extend(SetStmtAssign1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:set_stmt_assign][start_index] = r0

  return r0
end

#_nt_set_stmt_read ⇒ Object 



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# File 'lib/simplesem/simple_sem.rb', line 408

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

  i0, s0 = index, []
  if input.index('set', index) == index
    r1 = (SyntaxNode).new(input, index...(index + 3))
    @index += 3
  else
    terminal_parse_failure('set')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_space
    s0 << r2
    if r2
      r3 = _nt_additive
      s0 << r3
      if r3
        r4 = _nt_comma
        s0 << r4
        if r4
          if input.index('read', index) == index
            r5 = (SyntaxNode).new(input, index...(index + 4))
            @index += 4
          else
            terminal_parse_failure('read')
            r5 = nil
          end
          s0 << r5
        end
      end
    end
  end
  if s0.last
    r0 = (SyntaxNode).new(input, i0...index, s0)
    r0.extend(SetStmtRead0)
    r0.extend(SetStmtRead1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:set_stmt_read][start_index] = r0

  return r0
end

#_nt_set_stmt_write ⇒ Object 



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# File 'lib/simplesem/simple_sem.rb', line 222

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

  i0 = index
  i1, s1 = index, []
  if input.index('set', index) == index
    r2 = (SyntaxNode).new(input, index...(index + 3))
    @index += 3
  else
    terminal_parse_failure('set')
    r2 = nil
  end
  s1 << r2
  if r2
    r3 = _nt_space
    s1 << r3
    if r3
      if input.index('write', index) == index
        r4 = (SyntaxNode).new(input, index...(index + 5))
        @index += 5
      else
        terminal_parse_failure('write')
        r4 = nil
      end
      s1 << r4
      if r4
        r5 = _nt_comma
        s1 << r5
        if r5
          r6 = _nt_expression
          s1 << r6
        end
      end
    end
  end
  if s1.last
    r1 = (SyntaxNode).new(input, i1...index, s1)
    r1.extend(SetStmtWrite0)
    r1.extend(SetStmtWrite1)
  else
    self.index = i1
    r1 = nil
  end
  if r1
    r0 = r1
  else
    i7, s7 = index, []
    if input.index('set', index) == index
      r8 = (SyntaxNode).new(input, index...(index + 3))
      @index += 3
    else
      terminal_parse_failure('set')
      r8 = nil
    end
    s7 << r8
    if r8
      r9 = _nt_space
      s7 << r9
      if r9
        if input.index('write', index) == index
          r10 = (SyntaxNode).new(input, index...(index + 5))
          @index += 5
        else
          terminal_parse_failure('write')
          r10 = nil
        end
        s7 << r10
        if r10
          r11 = _nt_comma
          s7 << r11
          if r11
            if input.index('"', index) == index
              r12 = (SyntaxNode).new(input, index...(index + 1))
              @index += 1
            else
              terminal_parse_failure('"')
              r12 = nil
            end
            s7 << r12
            if r12
              s13, i13 = [], index
              loop do
                i14, s14 = index, []
                i15 = index
                if input.index('"', index) == index
                  r16 = (SyntaxNode).new(input, index...(index + 1))
                  @index += 1
                else
                  terminal_parse_failure('"')
                  r16 = nil
                end
                if r16
                  r15 = nil
                else
                  self.index = i15
                  r15 = SyntaxNode.new(input, index...index)
                end
                s14 << r15
                if r15
                  if index < input_length
                    r17 = (SyntaxNode).new(input, index...(index + 1))
                    @index += 1
                  else
                    terminal_parse_failure("any character")
                    r17 = nil
                  end
                  s14 << r17
                end
                if s14.last
                  r14 = (SyntaxNode).new(input, i14...index, s14)
                  r14.extend(SetStmtWrite2)
                else
                  self.index = i14
                  r14 = nil
                end
                if r14
                  s13 << r14
                else
                  break
                end
              end
              r13 = SyntaxNode.new(input, i13...index, s13)
              s7 << r13
              if r13
                if input.index('"', index) == index
                  r18 = (SyntaxNode).new(input, index...(index + 1))
                  @index += 1
                else
                  terminal_parse_failure('"')
                  r18 = nil
                end
                s7 << r18
              end
            end
          end
        end
      end
    end
    if s7.last
      r7 = (SyntaxNode).new(input, i7...index, s7)
      r7.extend(SetStmtWrite3)
      r7.extend(SetStmtWrite4)
    else
      self.index = i7
      r7 = nil
    end
    if r7
      r0 = r7
    else
      self.index = i0
      r0 = nil
    end
  end

  node_cache[:set_stmt_write][start_index] = r0

  return r0
end

#_nt_statement ⇒ Object 



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# File 'lib/simplesem/simple_sem.rb', line 10

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

  i0 = index
  r1 = _nt_set_stmt
  if r1
    r0 = r1
  else
    r2 = _nt_jump_stmt
    if r2
      r0 = r2
    else
      r3 = _nt_jumpt_stmt
      if r3
        r0 = r3
      else
        r4 = _nt_halt
        if r4
          r0 = r4
        else
          self.index = i0
          r0 = nil
        end
      end
    end
  end

  node_cache[:statement][start_index] = r0

  return r0
end

#root ⇒ Object 



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# File 'lib/simplesem/simple_sem.rb', line 4

def root
  @root || :statement
end