Module: OracleSqlParser::Grammar::Expression::Simple

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

Defined Under Namespace

Modules: SimpleExpression0, SimpleExpressionColumn0, SimpleExpressionColumn1, SimpleExpressionColumn2, SimpleExpressionColumn3, SimpleExpressionColumn4

Instance Method Summary collapse

Instance Method Details

#_nt_simple_expression ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/expression/simple.rb', line 18

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

  i0 = index
  r1 = _nt_rownum_keyword
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    r2 = _nt_sysdate_keyword
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      r3 = _nt_systimestamp_keyword
      if r3
        r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
        r0 = r3
      else
        r4 = _nt_null_keyword
        if r4
          r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
          r0 = r4
        else
          r5 = _nt_text_literal
          if r5
            r5 = SyntaxNode.new(input, (index-1)...index) if r5 == true
            r0 = r5
          else
            r6 = _nt_number_literal
            if r6
              r6 = SyntaxNode.new(input, (index-1)...index) if r6 == true
              r0 = r6
            else
              r7 = _nt_sequence
              if r7
                r7 = SyntaxNode.new(input, (index-1)...index) if r7 == true
                r0 = r7
              else
                r8 = _nt_simple_expression_column
                r8.extend(SimpleExpression0)
                r8.extend(SimpleExpression0)
                if r8
                  r8 = SyntaxNode.new(input, (index-1)...index) if r8 == true
                  r0 = r8
                else
                  @index = i0
                  r0 = nil
                end
              end
            end
          end
        end
      end
    end
  end

  node_cache[:simple_expression][start_index] = r0

  r0
end

#_nt_simple_expression_column ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/expression/simple.rb', line 121

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

  i0, s0 = index, []
  i1, s1 = index, []
  i3 = index
  i4, s4 = index, []
  r5 = _nt_schema_name
  s4 << r5
  if r5
    r7 = _nt_space
    if r7
      r6 = r7
    else
      r6 = instantiate_node(SyntaxNode,input, index...index)
    end
    s4 << r6
    if r6
      if (match_len = has_terminal?('.', false, index))
        r8 = true
        @index += match_len
      else
        terminal_parse_failure('\'.\'')
        r8 = nil
      end
      s4 << r8
      if r8
        r10 = _nt_space
        if r10
          r9 = r10
        else
          r9 = instantiate_node(SyntaxNode,input, index...index)
        end
        s4 << r9
        if r9
          r11 = _nt_table_name
          s4 << r11
          if r11
            if (match_len = has_terminal?('.', false, index))
              r12 = true
              @index += match_len
            else
              terminal_parse_failure('\'.\'')
              r12 = nil
            end
            s4 << r12
          end
        end
      end
    end
  end
  if s4.last
    r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
    r4.extend(SimpleExpressionColumn0)
  else
    @index = i4
    r4 = nil
  end
  if r4
    r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
    r3 = r4
  else
    i13, s13 = index, []
    r14 = _nt_table_name
    s13 << r14
    if r14
      r16 = _nt_space
      if r16
        r15 = r16
      else
        r15 = instantiate_node(SyntaxNode,input, index...index)
      end
      s13 << r15
      if r15
        if (match_len = has_terminal?('.', false, index))
          r17 = true
          @index += match_len
        else
          terminal_parse_failure('\'.\'')
          r17 = nil
        end
        s13 << r17
        if r17
          r19 = _nt_space
          if r19
            r18 = r19
          else
            r18 = instantiate_node(SyntaxNode,input, index...index)
          end
          s13 << r18
        end
      end
    end
    if s13.last
      r13 = instantiate_node(SyntaxNode,input, i13...index, s13)
      r13.extend(SimpleExpressionColumn1)
    else
      @index = i13
      r13 = nil
    end
    if r13
      r13 = SyntaxNode.new(input, (index-1)...index) if r13 == true
      r3 = r13
    else
      @index = i3
      r3 = nil
    end
  end
  if r3
    r2 = r3
  else
    r2 = instantiate_node(SyntaxNode,input, index...index)
  end
  s1 << r2
  if r2
    i20 = index
    r21 = _nt_rowid_keyword
    if r21
      r21 = SyntaxNode.new(input, (index-1)...index) if r21 == true
      r20 = r21
    else
      r22 = _nt_column_name
      if r22
        r22 = SyntaxNode.new(input, (index-1)...index) if r22 == true
        r20 = r22
      else
        @index = i20
        r20 = nil
      end
    end
    s1 << r20
  end
  if s1.last
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
    r1.extend(SimpleExpressionColumn2)
  else
    @index = i1
    r1 = nil
  end
  s0 << r1
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(SimpleExpressionColumn3)
    r0.extend(SimpleExpressionColumn4)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:simple_expression_column][start_index] = r0

  r0
end

#root ⇒ Object 



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

def root
  @root ||= :simple_expression
end