Module: OracleSqlParser::Grammar::Condition::Exists

Includes:
Treetop::Runtime
Included in:
OracleSqlParser::Grammar::Condition, ExistsParser
Defined in:
lib/oracle-sql-parser/grammar/condition/exists.rb

Defined Under Namespace

Modules: ExistsCondition0, ExistsCondition1

Instance Method Summary collapse

Instance Method Details

#_nt_exists_condition ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/condition/exists.rb', line 31

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

  i0, s0 = index, []
  r1 = _nt_exists_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
          r7 = _nt_subquery
          s0 << r7
          if r7
            r9 = _nt_space
            if r9
              r8 = r9
            else
              r8 = instantiate_node(SyntaxNode,input, index...index)
            end
            s0 << r8
            if r8
              if (match_len = has_terminal?(')', false, index))
                r10 = true
                @index += match_len
              else
                terminal_parse_failure('\')\'')
                r10 = nil
              end
              s0 << r10
            end
          end
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(ExistsCondition0)
    r0.extend(ExistsCondition1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:exists_condition][start_index] = r0

  r0
end

#root ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/condition/exists.rb', line 8

def root
  @root ||= :exists_condition
end