Module: ActiveFacts::CQL::Expressions

Includes:
Treetop::Runtime
Included in:
CQL, ExpressionsParser
Defined in:
lib/activefacts/cql/parser/Expressions.rb

Defined Under Namespace

Modules: DerivedVariable0, DerivedVariable1, Factor0, Factor1, Factor2, Factor3, Product0, Product1, Product2, Sum0, Sum1, Sum2

Instance Method Summary collapse

Instance Method Details

#_nt_add_op ⇒ Object 



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# File 'lib/activefacts/cql/parser/Expressions.rb', line 145

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

  i0 = index
  if (match_len = has_terminal?('+', false, index))
    r1 = true
    @index += match_len
  else
    terminal_parse_failure('\'+\'')
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    if (match_len = has_terminal?('-', false, index))
      r2 = true
      @index += match_len
    else
      terminal_parse_failure('\'-\'')
      r2 = nil
    end
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:add_op][start_index] = r0

  r0
end

#_nt_derived_variable ⇒ Object 



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# File 'lib/activefacts/cql/parser/Expressions.rb', line 475

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

  i0, s0 = index, []
  r1 = _nt_term
  s0 << r1
  if r1
    r2 = _nt_s
    s0 << r2
    if r2
      i4 = index
      r5 = _nt_role_name
      if r5
        r5 = SyntaxNode.new(input, (index-1)...index) if r5 == true
        r4 = r5
      else
        r6 = _nt_subscript
        if r6
          r6 = SyntaxNode.new(input, (index-1)...index) if r6 == true
          r4 = r6
        else
          @index = i4
          r4 = nil
        end
      end
      if r4
        r3 = r4
      else
        r3 = instantiate_node(SyntaxNode,input, index...index)
      end
      s0 << r3
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(DerivedVariable0)
    r0.extend(DerivedVariable1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:derived_variable][start_index] = r0

  r0
end

#_nt_expression ⇒ Object 



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# File 'lib/activefacts/cql/parser/Expressions.rb', line 19

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

  r0 = _nt_sum

  node_cache[:expression][start_index] = r0

  r0
end

#_nt_factor ⇒ Object 



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# File 'lib/activefacts/cql/parser/Expressions.rb', line 339

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

  i0 = index
  i1, s1 = index, []
  r2 = _nt_literal
  s1 << r2
  if r2
    r4 = _nt_unit
    if r4
      r3 = r4
    else
      r3 = instantiate_node(SyntaxNode,input, index...index)
    end
    s1 << r3
    if r3
      r5 = _nt_s
      s1 << r5
    end
  end
  if s1.last
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
    r1.extend(Factor0)
    r1.extend(Factor1)
  else
    @index = i1
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    r6 = _nt_derived_variable
    if r6
      r6 = SyntaxNode.new(input, (index-1)...index) if r6 == true
      r0 = r6
    else
      i7, s7 = index, []
      i8 = index
      r9 = _nt_context_note
      if r9
        @index = i8
        r8 = nil
      else
        @index = i8
        r8 = instantiate_node(SyntaxNode,input, index...index)
      end
      s7 << r8
      if r8
        if (match_len = has_terminal?('(', false, index))
          r10 = true
          @index += match_len
        else
          terminal_parse_failure('\'(\'')
          r10 = nil
        end
        s7 << r10
        if r10
          r11 = _nt_s
          s7 << r11
          if r11
            r12 = _nt_sum
            s7 << r12
            if r12
              r13 = _nt_s
              s7 << r13
              if r13
                if (match_len = has_terminal?(')', false, index))
                  r14 = true
                  @index += match_len
                else
                  terminal_parse_failure('\')\'')
                  r14 = nil
                end
                s7 << r14
                if r14
                  r15 = _nt_s
                  s7 << r15
                end
              end
            end
          end
        end
      end
      if s7.last
        r7 = instantiate_node(SyntaxNode,input, i7...index, s7)
        r7.extend(Factor2)
        r7.extend(Factor3)
      else
        @index = i7
        r7 = nil
      end
      if r7
        r7 = SyntaxNode.new(input, (index-1)...index) if r7 == true
        r0 = r7
      else
        @index = i0
        r0 = nil
      end
    end
  end

  node_cache[:factor][start_index] = r0

  r0
end

#_nt_product ⇒ Object 



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# File 'lib/activefacts/cql/parser/Expressions.rb', line 231

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

  i0, s0 = index, []
  r1 = _nt_factor
  s0 << r1
  if r1
    r2 = _nt_s
    s0 << r2
    if r2
      s3, i3 = [], index
      loop do
        i4, s4 = index, []
        r5 = _nt_mul_op
        s4 << r5
        if r5
          r6 = _nt_s
          s4 << r6
          if r6
            r7 = _nt_factor
            s4 << r7
            if r7
              r8 = _nt_s
              s4 << r8
            end
          end
        end
        if s4.last
          r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
          r4.extend(Product0)
        else
          @index = i4
          r4 = nil
        end
        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(SyntaxNode,input, i0...index, s0)
    r0.extend(Product1)
    r0.extend(Product2)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:product][start_index] = r0

  r0
end

#_nt_sum ⇒ Object 



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# File 'lib/activefacts/cql/parser/Expressions.rb', line 79

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

  i0, s0 = index, []
  r1 = _nt_product
  s0 << r1
  if r1
    r2 = _nt_s
    s0 << r2
    if r2
      s3, i3 = [], index
      loop do
        i4, s4 = index, []
        r5 = _nt_add_op
        s4 << r5
        if r5
          r6 = _nt_s
          s4 << r6
          if r6
            r7 = _nt_product
            s4 << r7
            if r7
              r8 = _nt_s
              s4 << r8
            end
          end
        end
        if s4.last
          r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
          r4.extend(Sum0)
        else
          @index = i4
          r4 = nil
        end
        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(SyntaxNode,input, i0...index, s0)
    r0.extend(Sum1)
    r0.extend(Sum2)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:sum][start_index] = r0

  r0
end

#root ⇒ Object 



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# File 'lib/activefacts/cql/parser/Expressions.rb', line 15

def root
  @root ||= :expression
end