Module: OracleSqlParser::Grammar::Expression::Cast

Includes:
Treetop::Runtime
Included in:
CastParser
Defined in:
lib/oracle-sql-parser/grammar/expression/cast.rb

Defined Under Namespace

Modules: CastExpression0, CastExpression1

Instance Method Summary collapse

Instance Method Details

#_nt_cast_expressionObject



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# File 'lib/oracle-sql-parser/grammar/expression/cast.rb', line 42

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

  i0, s0 = index, []
  r1 = _nt_cast_keyword
  s0 << r1
  if r1
    r3 = _nt_space
    if r3
      r2 = r3
    else
      r2 = instantiate_node(SyntaxNode,input, index...index)
    end
    s0 << r2
    if r2
      if (match_len = has_terminal?('(', false, index))
        r4 = true
        @index += match_len
      else
        terminal_parse_failure('\'(\'')
        r4 = nil
      end
      s0 << r4
      if r4
        r6 = _nt_space
        if r6
          r5 = r6
        else
          r5 = instantiate_node(SyntaxNode,input, index...index)
        end
        s0 << r5
        if r5
          i7, s7 = index, []
          r8 = _nt_expr
          s7 << r8
          if r8
            r9 = _nt_multiset_keyword
            s7 << r9
            if r9
              r11 = _nt_space
              if r11
                r10 = r11
              else
                r10 = instantiate_node(SyntaxNode,input, index...index)
              end
              s7 << r10
              if r10
                if (match_len = has_terminal?('(', false, index))
                  r12 = true
                  @index += match_len
                else
                  terminal_parse_failure('\'(\'')
                  r12 = nil
                end
                s7 << r12
                if r12
                  r14 = _nt_space
                  if r14
                    r13 = r14
                  else
                    r13 = instantiate_node(SyntaxNode,input, index...index)
                  end
                  s7 << r13
                  if r13
                    r15 = _nt_subquery
                    s7 << r15
                    if r15
                      r17 = _nt_space
                      if r17
                        r16 = r17
                      else
                        r16 = instantiate_node(SyntaxNode,input, index...index)
                      end
                      s7 << r16
                      if r16
                        if (match_len = has_terminal?(')', false, index))
                          r18 = true
                          @index += match_len
                        else
                          terminal_parse_failure('\')\'')
                          r18 = nil
                        end
                        s7 << r18
                      end
                    end
                  end
                end
              end
            end
          end
          if s7.last
            r7 = instantiate_node(SyntaxNode,input, i7...index, s7)
            r7.extend(CastExpression0)
          else
            @index = i7
            r7 = nil
          end
          s0 << r7
          if r7
            r19 = _nt_as_keyword
            s0 << r19
            if r19
              r20 = _nt_type_name
              s0 << r20
              if r20
                if (match_len = has_terminal?(')', false, index))
                  r21 = true
                  @index += match_len
                else
                  terminal_parse_failure('\')\'')
                  r21 = nil
                end
                s0 << r21
              end
            end
          end
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(CastExpression1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:cast_expression][start_index] = r0

  r0
end

#rootObject



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# File 'lib/oracle-sql-parser/grammar/expression/cast.rb', line 8

def root
  @root ||= :cast_expression
end