Module: CEML::Instructions

Includes:
Lexer, Treetop::Runtime
Included in:
InstructionsParser, Scripts
Defined in:
lib/ceml/instructions.rb,
lib/ceml/tt/instructions.rb

Defined Under Namespace

Modules: AskStmt0, AskStmt1, AssignStmt0, Instruction0, TellStmt0

Instance Method Summary collapse

Methods included from Lexer

#_nt_comment, #_nt_eol, #_nt_id, #_nt_nl, #_nt_number, #_nt_text, #_nt_ws

Instance Method Details

#_nt_ask_stmt ⇒ Object 



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# File 'lib/ceml/tt/instructions.rb', line 302

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

  i0, s0 = index, []
  if has_terminal?('ask', false, index)
    r1 = instantiate_node(SyntaxNode,input, index...(index + 3))
    @index += 3
  else
    terminal_parse_failure('ask')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_ws
    s0 << r2
    if r2
      r3 = _nt_id
      s0 << r3
      if r3
        i5, s5 = index, []
        r6 = _nt_ws
        s5 << r6
        if r6
          if has_terminal?('re', false, index)
            r7 = instantiate_node(SyntaxNode,input, index...(index + 2))
            @index += 2
          else
            terminal_parse_failure('re')
            r7 = nil
          end
          s5 << r7
          if r7
            r8 = _nt_ws
            s5 << r8
            if r8
              r9 = _nt_id
              s5 << r9
            end
          end
        end
        if s5.last
          r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
          r5.extend(AskStmt0)
        else
          @index = i5
          r5 = nil
        end
        if r5
          r4 = r5
        else
          r4 = instantiate_node(SyntaxNode,input, index...index)
        end
        s0 << r4
        if r4
          if has_terminal?(':', false, index)
            r10 = instantiate_node(SyntaxNode,input, index...(index + 1))
            @index += 1
          else
            terminal_parse_failure(':')
            r10 = nil
          end
          s0 << r10
          if r10
            r12 = _nt_ws
            if r12
              r11 = r12
            else
              r11 = instantiate_node(SyntaxNode,input, index...index)
            end
            s0 << r11
            if r11
              r13 = _nt_text
              s0 << r13
              if r13
                r14 = _nt_nl
                s0 << r14
              end
            end
          end
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(AskStmt1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:ask_stmt][start_index] = r0

  r0
end

#_nt_assign_stmt ⇒ Object 



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# File 'lib/ceml/tt/instructions.rb', line 201

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

  i0, s0 = index, []
  if has_terminal?('assign', false, index)
    r1 = instantiate_node(SyntaxNode,input, index...(index + 6))
    @index += 6
  else
    terminal_parse_failure('assign')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_ws
    s0 << r2
    if r2
      r3 = _nt_id
      s0 << 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
        s0 << r4
        if r4
          r6 = _nt_ws
          if r6
            r5 = r6
          else
            r5 = instantiate_node(SyntaxNode,input, index...index)
          end
          s0 << r5
          if r5
            r7 = _nt_text
            s0 << r7
            if r7
              r8 = _nt_nl
              s0 << r8
            end
          end
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(AssignStmt0)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:assign_stmt][start_index] = r0

  r0
end

#_nt_instruction ⇒ Object 



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# File 'lib/ceml/tt/instructions.rb', line 65

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

  i0 = index
  r1 = _nt_ask_stmt
  if r1
    r0 = r1
    r0.extend(Instruction0)
  else
    r2 = _nt_tell_stmt
    if r2
      r0 = r2
      r0.extend(Instruction0)
    else
      r3 = _nt_assign_stmt
      if r3
        r0 = r3
        r0.extend(Instruction0)
      else
        @index = i0
        r0 = nil
      end
    end
  end

  node_cache[:instruction][start_index] = r0

  r0
end

#_nt_instructions ⇒ Object 



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# File 'lib/ceml/tt/instructions.rb', line 14

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

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

  node_cache[:instructions][start_index] = r0

  r0
end

#_nt_tell_stmt ⇒ Object 



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# File 'lib/ceml/tt/instructions.rb', line 118

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

  i0, s0 = index, []
  if has_terminal?('tell', false, index)
    r1 = instantiate_node(SyntaxNode,input, index...(index + 4))
    @index += 4
  else
    terminal_parse_failure('tell')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_ws
    s0 << r2
    if r2
      r3 = _nt_id
      s0 << 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
        s0 << r4
        if r4
          r6 = _nt_ws
          if r6
            r5 = r6
          else
            r5 = instantiate_node(SyntaxNode,input, index...index)
          end
          s0 << r5
          if r5
            r7 = _nt_text
            s0 << r7
            if r7
              r8 = _nt_nl
              s0 << r8
            end
          end
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(TellStmt0)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:tell_stmt][start_index] = r0

  r0
end

#asks(roles) ⇒ Object 



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# File 'lib/ceml/instructions.rb', line 19

def asks(roles)
  elements.select do |s|
    s.text_value =~ /^ask/ && roles.include?(s.role.to_sym)
  end
end

#for(roles) ⇒ Object 



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# File 'lib/ceml/instructions.rb', line 15

def for(roles)
  elements.select{ |s| roles.include?(s.role.to_sym) }
end

#roles ⇒ Object 



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# File 'lib/ceml/instructions.rb', line 11

def roles
  elements.map{ |s| s.role.to_sym }.uniq
end

#root ⇒ Object 



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# File 'lib/ceml/tt/instructions.rb', line 8

def root
  @root || :instructions
end

#tell(roles) ⇒ Object 



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# File 'lib/ceml/instructions.rb', line 25

def tell(roles)
  ss = elements.select{ |s| s.text_value =~ /^tell/ && roles.include?(s.role.to_sym) }
  raise "multiple assignments for role: #{role}" if ss.size > 1
  ss.first
end

#validate!(allowed_roles) ⇒ Object 



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# File 'lib/ceml/instructions.rb', line 3

def validate!(allowed_roles)
  extra_roles = roles - allowed_roles
  raise "unrecognized rolenames: #{extra_roles.inspect}" unless extra_roles.empty?

  # max one tell per role
  roles.each{ |r| tell([r]) }
end