Module: OracleSqlParser::Grammar::Delete

Includes:
Treetop::Runtime
Included in:
DeleteParser, Grammar
Defined in:
lib/oracle-sql-parser/grammar/delete.rb

Defined Under Namespace

Modules: DeleteCondition0, DeleteCondition1, DeleteCurrentOf0, DeleteFromClause0, DeleteFromClause1, DeleteStatement0, DeleteStatement1, DeleteTarget0, DeleteTarget1, DeleteTargetSubquery0, DeleteTargetSubquery1, DeleteTargetSubquery2

Instance Method Summary collapse

Instance Method Details

#_nt_delete_condition ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/delete.rb', line 382

def _nt_delete_condition
  start_index = index
  if node_cache[:delete_condition].has_key?(index)
    cached = node_cache[:delete_condition][index]
    if cached
      node_cache[:delete_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_where_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
      i4 = index
      r5 = _nt_search_condition
      if r5
        r5 = SyntaxNode.new(input, (index-1)...index) if r5 == true
        r4 = r5
      else
        r6 = _nt_delete_current_of
        if r6
          r6 = SyntaxNode.new(input, (index-1)...index) if r6 == true
          r4 = r6
        else
          @index = i4
          r4 = nil
        end
      end
      s0 << r4
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(DeleteCondition0)
    r0.extend(DeleteCondition1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:delete_condition][start_index] = r0

  r0
end

#_nt_delete_current_of ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/delete.rb', line 443

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

  r0 = _nt_current_of
  r0.extend(DeleteCurrentOf0)
  r0.extend(DeleteCurrentOf0)

  node_cache[:delete_current_of][start_index] = r0

  r0
end

#_nt_delete_from_clause ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/delete.rb', line 123

def _nt_delete_from_clause
  start_index = index
  if node_cache[:delete_from_clause].has_key?(index)
    cached = node_cache[:delete_from_clause][index]
    if cached
      node_cache[:delete_from_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_from_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_delete_target
      s0 << r4
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(DeleteFromClause0)
    r0.extend(DeleteFromClause1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:delete_from_clause][start_index] = r0

  r0
end

#_nt_delete_statement ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/delete.rb', line 39

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

  i0, s0 = index, []
  r1 = _nt_delete_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_delete_from_clause
      s0 << r4
      if r4
        r6 = _nt_space
        if r6
          r5 = r6
        else
          r5 = instantiate_node(SyntaxNode,input, index...index)
        end
        s0 << r5
        if r5
          r8 = _nt_delete_condition
          if r8
            r7 = r8
          else
            r7 = instantiate_node(SyntaxNode,input, index...index)
          end
          s0 << r7
          if r7
            r10 = _nt_returning_clause
            if r10
              r9 = r10
            else
              r9 = instantiate_node(SyntaxNode,input, index...index)
            end
            s0 << r9
          end
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(DeleteStatement0)
    r0.extend(DeleteStatement1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:delete_statement][start_index] = r0

  r0
end

#_nt_delete_target ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/delete.rb', line 188

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

  i0, s0 = index, []
  i1 = index
  r2 = _nt_table_reference
  if r2
    r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
    r1 = r2
  else
    r3 = _nt_delete_target_subquery
    if r3
      r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
      r1 = r3
    else
      @index = i1
      r1 = nil
    end
  end
  s0 << r1
  if r1
    r5 = _nt_space
    if r5
      r4 = r5
    else
      r4 = instantiate_node(SyntaxNode,input, index...index)
    end
    s0 << r4
    if r4
      r7 = _nt_t_alias
      if r7
        r6 = r7
      else
        r6 = instantiate_node(SyntaxNode,input, index...index)
      end
      s0 << r6
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(DeleteTarget0)
    r0.extend(DeleteTarget1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:delete_target][start_index] = r0

  r0
end

#_nt_delete_target_subquery ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/delete.rb', line 278

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

  i0, s0 = index, []
  i2, s2 = index, []
  r3 = _nt_table_keyword
  s2 << r3
  if r3
    r4 = _nt_space
    s2 << r4
  end
  if s2.last
    r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
    r2.extend(DeleteTargetSubquery0)
  else
    @index = i2
    r2 = nil
  end
  if r2
    r1 = r2
  else
    r1 = instantiate_node(SyntaxNode,input, index...index)
  end
  s0 << r1
  if r1
    if (match_len = has_terminal?('(', false, index))
      r5 = true
      @index += match_len
    else
      terminal_parse_failure('\'(\'')
      r5 = nil
    end
    s0 << r5
    if r5
      r7 = _nt_space
      if r7
        r6 = r7
      else
        r6 = instantiate_node(SyntaxNode,input, index...index)
      end
      s0 << r6
      if r6
        r8 = _nt_subquery
        s0 << r8
        if r8
          r10 = _nt_space
          if r10
            r9 = r10
          else
            r9 = instantiate_node(SyntaxNode,input, index...index)
          end
          s0 << r9
          if r9
            if (match_len = has_terminal?(')', false, index))
              r11 = true
              @index += match_len
            else
              terminal_parse_failure('\')\'')
              r11 = nil
            end
            s0 << r11
          end
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(DeleteTargetSubquery1)
    r0.extend(DeleteTargetSubquery2)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:delete_target_subquery][start_index] = r0

  r0
end

#root ⇒ Object 



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

def root
  @root ||= :delete_statement
end