Module: OracleSqlParser::Grammar::Expression

Includes:
Case, Compound, Cursor, Datetime, Function, Interval, Simple, Treetop::Runtime
Included in:
ExpressionParser, Grammar
Defined in:
lib/oracle-sql-parser/grammar/expression.rb,
lib/oracle-sql-parser/grammar/expression/case.rb,
lib/oracle-sql-parser/grammar/expression/cursor.rb,
lib/oracle-sql-parser/grammar/expression/simple.rb,
lib/oracle-sql-parser/grammar/expression/compound.rb,
lib/oracle-sql-parser/grammar/expression/datetime.rb,
lib/oracle-sql-parser/grammar/expression/function.rb,
lib/oracle-sql-parser/grammar/expression/interval.rb

Defined Under Namespace

Modules: Case, Compound, Cursor, Datetime, Expr0, ExpressionList0, ExpressionList1, ExpressionList2, Exprs0, Exprs1, Exprs2, Function, Interval, NotLoopSqlExpression0, NotLoopSqlExpression1, Simple, SqlExpression0, SqlExpression1 Classes: CaseParser, CompoundParser, CursorParser, DatetimeParser, FunctionParser, IntervalParser, SimpleParser

Instance Method Summary collapse

Methods included from Interval

#_nt_fractional_second_precision, #_nt_interval_expression, #_nt_leading_field_precision

Methods included from Datetime

#_nt_datetime_expression, #_nt_datetime_timezone_clause

Methods included from Cursor

#_nt_cursor_expression

Methods included from Simple

#_nt_simple_expression, #_nt_simple_expression_column

Methods included from Case

#_nt_case_expression, #_nt_comparison_expr, #_nt_else_clause, #_nt_else_expr, #_nt_return_expr, #_nt_searched_case_expression, #_nt_simple_case_expression

Methods included from Function

#_nt_function_arg, #_nt_function_args, #_nt_function_expression, #_nt_function_name

Methods included from Compound

#_nt_compound_expression

Instance Method Details

#_nt_column_expression ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/expression.rb', line 374

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

  if (match_len = has_terminal?('column_expression', false, index))
    r0 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'column_expression\'')
    r0 = nil
  end

  node_cache[:column_expression][start_index] = r0

  r0
end

#_nt_expr ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/expression.rb', line 625

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

  r0 = _nt_sql_expression
  r0.extend(Expr0)
  r0.extend(Expr0)

  node_cache[:expr][start_index] = r0

  r0
end

#_nt_expression_list ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/expression.rb', line 441

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

  i0 = index
  i1, s1 = index, []
  if (match_len = has_terminal?('(', false, index))
    r2 = true
    @index += match_len
  else
    terminal_parse_failure('\'(\'')
    r2 = nil
  end
  s1 << r2
  if r2
    r3 = _nt_exprs
    s1 << r3
    if r3
      if (match_len = has_terminal?(')', false, index))
        r4 = true
        @index += match_len
      else
        terminal_parse_failure('\')\'')
        r4 = nil
      end
      s1 << r4
    end
  end
  if s1.last
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
    r1.extend(ExpressionList0)
  else
    @index = i1
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
    r0.extend(ExpressionList2)
    r0.extend(ExpressionList2)
  else
    i5, s5 = index, []
    r6 = _nt_exprs
    s5 << r6
    if s5.last
      r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
      r5.extend(ExpressionList1)
    else
      @index = i5
      r5 = nil
    end
    if r5
      r5 = SyntaxNode.new(input, (index-1)...index) if r5 == true
      r0 = r5
      r0.extend(ExpressionList2)
      r0.extend(ExpressionList2)
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:expression_list][start_index] = r0

  r0
end

#_nt_exprs ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/expression.rb', line 541

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

  i0, s0 = index, []
  r1 = _nt_expr
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      i3, s3 = index, []
      r5 = _nt_space
      if r5
        r4 = r5
      else
        r4 = instantiate_node(SyntaxNode,input, index...index)
      end
      s3 << r4
      if r4
        if (match_len = has_terminal?(',', false, index))
          r6 = true
          @index += match_len
        else
          terminal_parse_failure('\',\'')
          r6 = nil
        end
        s3 << r6
        if r6
          r8 = _nt_space
          if r8
            r7 = r8
          else
            r7 = instantiate_node(SyntaxNode,input, index...index)
          end
          s3 << r7
          if r7
            r9 = _nt_expr
            s3 << r9
          end
        end
      end
      if s3.last
        r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
        r3.extend(Exprs0)
      else
        @index = i3
        r3 = nil
      end
      if r3
        s2 << r3
      else
        break
      end
    end
    r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(Exprs1)
    r0.extend(Exprs2)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:exprs][start_index] = r0

  r0
end

#_nt_json_object_access_expression ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/expression.rb', line 398

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

  if (match_len = has_terminal?('json_object_access_expression', false, index))
    r0 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'json_object_access_expression\'')
    r0 = nil
  end

  node_cache[:json_object_access_expression][start_index] = r0

  r0
end

#_nt_model_expression ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/expression.rb', line 302

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

  if (match_len = has_terminal?('model_expression', false, index))
    r0 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'model_expression\'')
    r0 = nil
  end

  node_cache[:model_expression][start_index] = r0

  r0
end

#_nt_not_loop_sql_expression ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/expression.rb', line 170

def _nt_not_loop_sql_expression
  start_index = index
  if node_cache[:not_loop_sql_expression].has_key?(index)
    cached = node_cache[:not_loop_sql_expression][index]
    if cached
      node_cache[:not_loop_sql_expression][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_function_expression
  if r2
    r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
    r1 = r2
  else
    r3 = _nt_case_expression
    if r3
      r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
      r1 = r3
    else
      r4 = _nt_cursor_expression
      if r4
        r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
        r1 = r4
      else
        r5 = _nt_object_access_expression
        if r5
          r5 = SyntaxNode.new(input, (index-1)...index) if r5 == true
          r1 = r5
        else
          r6 = _nt_scalar_subquery_expression
          if r6
            r6 = SyntaxNode.new(input, (index-1)...index) if r6 == true
            r1 = r6
          else
            r7 = _nt_model_expression
            if r7
              r7 = SyntaxNode.new(input, (index-1)...index) if r7 == true
              r1 = r7
            else
              r8 = _nt_type_constructor_expression
              if r8
                r8 = SyntaxNode.new(input, (index-1)...index) if r8 == true
                r1 = r8
              else
                r9 = _nt_simple_expression
                if r9
                  r9 = SyntaxNode.new(input, (index-1)...index) if r9 == true
                  r1 = r9
                else
                  r10 = _nt_variable_expression
                  if r10
                    r10 = SyntaxNode.new(input, (index-1)...index) if r10 == true
                    r1 = r10
                  else
                    @index = i1
                    r1 = nil
                  end
                end
              end
            end
          end
        end
      end
    end
  end
  s0 << r1
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(NotLoopSqlExpression0)
    r0.extend(NotLoopSqlExpression1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:not_loop_sql_expression][start_index] = r0

  r0
end

#_nt_object_access_expression ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/expression.rb', line 254

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

  if (match_len = has_terminal?('object_access_expression', false, index))
    r0 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'object_access_expression\'')
    r0 = nil
  end

  node_cache[:object_access_expression][start_index] = r0

  r0
end

#_nt_scalar_subquery_expression ⇒ Object 



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

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

  if (match_len = has_terminal?('scalar_subquery_expression', false, index))
    r0 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'scalar_subquery_expression\'')
    r0 = nil
  end

  node_cache[:scalar_subquery_expression][start_index] = r0

  r0
end

#_nt_sql_expression ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/expression.rb', line 38

def _nt_sql_expression
  start_index = index
  if node_cache[:sql_expression].has_key?(index)
    cached = node_cache[:sql_expression][index]
    if cached
      node_cache[:sql_expression][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_interval_expression
  if r2
    r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
    r1 = r2
  else
    r3 = _nt_compound_expression
    if r3
      r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
      r1 = r3
    else
      r4 = _nt_function_expression
      if r4
        r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
        r1 = r4
      else
        r5 = _nt_case_expression
        if r5
          r5 = SyntaxNode.new(input, (index-1)...index) if r5 == true
          r1 = r5
        else
          r6 = _nt_cursor_expression
          if r6
            r6 = SyntaxNode.new(input, (index-1)...index) if r6 == true
            r1 = r6
          else
            r7 = _nt_datetime_expression
            if r7
              r7 = SyntaxNode.new(input, (index-1)...index) if r7 == true
              r1 = r7
            else
              r8 = _nt_object_access_expression
              if r8
                r8 = SyntaxNode.new(input, (index-1)...index) if r8 == true
                r1 = r8
              else
                r9 = _nt_scalar_subquery_expression
                if r9
                  r9 = SyntaxNode.new(input, (index-1)...index) if r9 == true
                  r1 = r9
                else
                  r10 = _nt_model_expression
                  if r10
                    r10 = SyntaxNode.new(input, (index-1)...index) if r10 == true
                    r1 = r10
                  else
                    r11 = _nt_type_constructor_expression
                    if r11
                      r11 = SyntaxNode.new(input, (index-1)...index) if r11 == true
                      r1 = r11
                    else
                      r12 = _nt_simple_expression
                      if r12
                        r12 = SyntaxNode.new(input, (index-1)...index) if r12 == true
                        r1 = r12
                      else
                        r13 = _nt_variable_expression
                        if r13
                          r13 = SyntaxNode.new(input, (index-1)...index) if r13 == true
                          r1 = r13
                        else
                          r14 = _nt_column_expression
                          if r14
                            r14 = SyntaxNode.new(input, (index-1)...index) if r14 == true
                            r1 = r14
                          else
                            r15 = _nt_json_object_access_expression
                            if r15
                              r15 = SyntaxNode.new(input, (index-1)...index) if r15 == true
                              r1 = r15
                            else
                              r16 = _nt_object_access_expression
                              if r16
                                r16 = SyntaxNode.new(input, (index-1)...index) if r16 == true
                                r1 = r16
                              else
                                @index = i1
                                r1 = nil
                              end
                            end
                          end
                        end
                      end
                    end
                  end
                end
              end
            end
          end
        end
      end
    end
  end
  s0 << r1
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(SqlExpression0)
    r0.extend(SqlExpression1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:sql_expression][start_index] = r0

  r0
end

#_nt_type_constructor_expression ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/expression.rb', line 326

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

  if (match_len = has_terminal?('type_constructor_expression', false, index))
    r0 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'type_constructor_expression\'')
    r0 = nil
  end

  node_cache[:type_constructor_expression][start_index] = r0

  r0
end

#_nt_variable_expression ⇒ Object 



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# File 'lib/oracle-sql-parser/grammar/expression.rb', line 350

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

  if (match_len = has_terminal?('variable_expression', false, index))
    r0 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'variable_expression\'')
    r0 = nil
  end

  node_cache[:variable_expression][start_index] = r0

  r0
end

#root ⇒ Object 



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

def root
  @root ||= :sql_expression
end