Module: OracleSqlParser::Grammar::Expression::Datetime

Includes:
Treetop::Runtime
Included in:
OracleSqlParser::Grammar::Expression, DatetimeParser
Defined in:
lib/oracle-sql-parser/grammar/expression/datetime.rb

Defined Under Namespace

Modules: DatetimeExpression0, DatetimeExpression1, DatetimeExpression2, DatetimeExpression3, DatetimeTimezoneClause0, DatetimeTimezoneClause1

Instance Method Summary collapse

Instance Method Details

#_nt_datetime_expression ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/expression/datetime.rb', line 53

def _nt_datetime_expression
  start_index = index
  if node_cache[:datetime_expression].has_key?(index)
    cached = node_cache[:datetime_expression][index]
    if cached
      node_cache[:datetime_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_not_loop_sql_expression
  s0 << r1
  if r1
    r3 = _nt_space
    if r3
      r2 = r3
    else
      r2 = instantiate_node(SyntaxNode,input, index...index)
    end
    s0 << r2
    if r2
      i4 = index
      i5, s5 = index, []
      r6 = _nt_at_keyword
      s5 << r6
      if r6
        r8 = _nt_space
        if r8
          r7 = r8
        else
          r7 = instantiate_node(SyntaxNode,input, index...index)
        end
        s5 << r7
        if r7
          r9 = _nt_local_keyword
          s5 << r9
        end
      end
      if s5.last
        r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
        r5.extend(DatetimeExpression0)
      else
        @index = i5
        r5 = nil
      end
      if r5
        r5 = SyntaxNode.new(input, (index-1)...index) if r5 == true
        r4 = r5
      else
        i10, s10 = index, []
        r11 = _nt_at_keyword
        s10 << r11
        if r11
          r13 = _nt_space
          if r13
            r12 = r13
          else
            r12 = instantiate_node(SyntaxNode,input, index...index)
          end
          s10 << r12
          if r12
            r14 = _nt_datetime_timezone_clause
            s10 << r14
          end
        end
        if s10.last
          r10 = instantiate_node(SyntaxNode,input, i10...index, s10)
          r10.extend(DatetimeExpression1)
        else
          @index = i10
          r10 = nil
        end
        if r10
          r10 = SyntaxNode.new(input, (index-1)...index) if r10 == true
          r4 = r10
        else
          @index = i4
          r4 = nil
        end
      end
      s0 << r4
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(DatetimeExpression2)
    r0.extend(DatetimeExpression3)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:datetime_expression][start_index] = r0

  r0
end

#_nt_datetime_timezone_clause ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/expression/datetime.rb', line 176

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

  i0, s0 = index, []
  r1 = _nt_time_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
      r4 = _nt_zone_keyword
      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 = index
          r8 = _nt_text_literal
          if r8
            r8 = SyntaxNode.new(input, (index-1)...index) if r8 == true
            r7 = r8
          else
            r9 = _nt_dbtimezone_keyword
            if r9
              r9 = SyntaxNode.new(input, (index-1)...index) if r9 == true
              r7 = r9
            else
              r10 = _nt_sessiontimezone_keyword
              if r10
                r10 = SyntaxNode.new(input, (index-1)...index) if r10 == true
                r7 = r10
              else
                r11 = _nt_expr
                if r11
                  r11 = SyntaxNode.new(input, (index-1)...index) if r11 == true
                  r7 = r11
                else
                  @index = i7
                  r7 = nil
                end
              end
            end
          end
          s0 << r7
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(DatetimeTimezoneClause0)
    r0.extend(DatetimeTimezoneClause1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:datetime_timezone_clause][start_index] = r0

  r0
end

#root ⇒ Object 



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

def root
  @root ||= :datetime_expression
end