================================================================================
Untyped Constant
================================================================================

A : constant := 111;

--------------------------------------------------------------------------------

(compilation
  (compilation_unit
    (number_declaration
      (identifier)
      (expression
        (term
          (numeric_literal))))))

================================================================================
Factors
================================================================================

A : constant Integer := 2 + 8 * 3;

--------------------------------------------------------------------------------

(compilation
  (compilation_unit
    (object_declaration
      (identifier)
      (identifier)
      (expression
        (term
          (numeric_literal))
        (binary_adding_operator)
        (term
          (numeric_literal)
          (multiplying_operator)
          (numeric_literal))))))

================================================================================
While
================================================================================

procedure P is
begin
   while True loop
      exit;
      exit when A > 0;
   end loop;
end;

--------------------------------------------------------------------------------

(compilation
  (compilation_unit
    (subprogram_body
      (procedure_specification
        (identifier))
      (handled_sequence_of_statements
        (loop_statement
          (iteration_scheme
            (expression
              (term
                (identifier))))
          (exit_statement)
          (exit_statement
            (expression
              (term
                (identifier))
              (relational_operator)
              (term
                (numeric_literal)))))))))

================================================================================
For loops
================================================================================

procedure P is
begin
   for E in Pkg.Arr'Range loop
      goto end_loop;

      <<end_loop>>
   end loop;

   for E of reverse Arr loop
      delay 1.0;
   end loop;
end P;

--------------------------------------------------------------------------------

(compilation
  (compilation_unit
    (subprogram_body
      (procedure_specification
        (identifier))
      (handled_sequence_of_statements
        (loop_statement
          (iteration_scheme
            (loop_parameter_specification
              (identifier)
              (range_g
                (selected_component
                  (identifier)
                  (identifier))
                (tick)
                (range_attribute_designator))))
          (goto_statement
            (identifier))
          (label
            (identifier)))
        (loop_statement
          (iteration_scheme
            (iterator_specification
              (identifier)
              (identifier)))
          (delay_relative_statement
            (expression
              (term
                (numeric_literal))))))
      (identifier))))

================================================================================
Named loop
================================================================================

procedure P is
begin
    Main:
    loop
       exit Main;
    end loop Main;
end;

--------------------------------------------------------------------------------

(compilation
  (compilation_unit
    (subprogram_body
      (procedure_specification
        (identifier))
      (handled_sequence_of_statements
        (loop_statement
          (loop_label
            (identifier))
          (exit_statement
            (identifier))
          (identifier))))))

================================================================================
Return
================================================================================

function F return Boolean is
begin
   return True;
   return A : My_Rec := (F => 1) do
      null;
   end return;
end F;

--------------------------------------------------------------------------------

(compilation
  (compilation_unit
    (subprogram_body
      (function_specification
        (identifier)
        (result_profile
          (identifier)))
      (handled_sequence_of_statements
        (simple_return_statement
          (expression
            (term
              (identifier))))
        (extended_return_statement
          (extended_return_object_declaration
            (identifier)
            (identifier)
            (expression
              (term
                (record_aggregate
                  (record_component_association_list
                    (component_choice_list
                      (identifier))
                    (expression
                      (term
                        (numeric_literal))))))))
          (handled_sequence_of_statements
            (null_statement))))
      (identifier))))

================================================================================
Procedure call
================================================================================

procedure P (A : Integer) is
begin
   P2 (1, False);
end P;

--------------------------------------------------------------------------------

(compilation
  (compilation_unit
    (subprogram_body
      (procedure_specification
        (identifier)
        (formal_part
          (parameter_specification
            (identifier)
            (identifier))))
      (handled_sequence_of_statements
        (procedure_call_statement
          (identifier)
          (actual_parameter_part
            (parameter_association
              (expression
                (term
                  (numeric_literal))))
            (parameter_association
              (expression
                (term
                  (identifier)))))))
      (identifier))))

================================================================================
Raise exception
================================================================================

procedure P is
begin
   raise Constraint_Error;
   raise Constraint_Error with "msg";
end;

--------------------------------------------------------------------------------

(compilation
  (compilation_unit
    (subprogram_body
      (procedure_specification
        (identifier))
      (handled_sequence_of_statements
        (raise_statement
          (identifier))
        (raise_statement
          (identifier)
          (expression
            (term
              (string_literal))))))))

================================================================================
Function calls
================================================================================

procedure P is
  A : Integer;
begin
  A := Func (B => 1);
end;

--------------------------------------------------------------------------------

(compilation
  (compilation_unit
    (subprogram_body
      (procedure_specification
        (identifier))
      (non_empty_declarative_part
        (object_declaration
          (identifier)
          (identifier)))
      (handled_sequence_of_statements
        (assignment_statement
          (identifier)
          (expression
            (term
              (function_call
                (identifier)
                (actual_parameter_part
                  (parameter_association
                    (component_choice_list
                      (identifier))
                    (expression
                      (term
                        (numeric_literal)))))))))))))

================================================================================
if statement
================================================================================

procedure P is
begin
   if A = 0 or else B = 1 then
      declare
      begin
         null;
      end;
   elsif A = 1 then
      declare
         C : Integer;
      begin
         null;
      exception
         when Constraint_Error => null;
      end;
   else
      begin
         null;
      end;
   end if;
end P;

--------------------------------------------------------------------------------

(compilation
  (compilation_unit
    (subprogram_body
      (procedure_specification
        (identifier))
      (handled_sequence_of_statements
        (if_statement
          (expression
            (term
              (identifier))
            (relational_operator)
            (term
              (numeric_literal))
            (term
              (identifier))
            (relational_operator)
            (term
              (numeric_literal)))
          (block_statement
            (handled_sequence_of_statements
              (null_statement)))
          (elsif_statement_item
            (expression
              (term
                (identifier))
              (relational_operator)
              (term
                (numeric_literal)))
            (block_statement
              (non_empty_declarative_part
                (object_declaration
                  (identifier)
                  (identifier)))
              (handled_sequence_of_statements
                (null_statement)
                (exception_handler
                  (exception_choice_list
                    (exception_choice
                      (identifier)))
                  (null_statement)))))
          (block_statement
            (handled_sequence_of_statements
              (null_statement)))))
      (identifier))))

================================================================================
Case statement
================================================================================

procedure P is
begin
   case Func(A => 1) is
      when '1' .. '2' =>
         null;
      when '3' | '4' =>
         null;
   end case;
end;

--------------------------------------------------------------------------------

(compilation
  (compilation_unit
    (subprogram_body
      (procedure_specification
        (identifier))
      (handled_sequence_of_statements
        (case_statement
          (expression
            (term
              (function_call
                (identifier)
                (actual_parameter_part
                  (parameter_association
                    (component_choice_list
                      (identifier))
                    (expression
                      (term
                        (numeric_literal))))))))
          (case_statement_alternative
            (discrete_choice_list
              (discrete_choice
                (range_g
                  (term
                    (character_literal))
                  (term
                    (character_literal)))))
            (null_statement))
          (case_statement_alternative
            (discrete_choice_list
              (discrete_choice
                (character_literal))
              (discrete_choice
                (character_literal)))
            (null_statement)))))))

================================================================================
Allocators
================================================================================

procedure P is
begin
   A := new T;
   A := new (pkg.pool) T'((F => 1));
end;

--------------------------------------------------------------------------------

(compilation
  (compilation_unit
    (subprogram_body
      (procedure_specification
        (identifier))
      (handled_sequence_of_statements
        (assignment_statement
          (identifier)
          (expression
            (term
              (allocator
                (identifier)))))
        (assignment_statement
          (identifier)
          (expression
            (term
              (allocator
                (subpool_specification
                  (selected_component
                    (identifier)
                    (identifier)))
                (qualified_expression
                  (identifier)
                  (tick)
                  (expression
                    (term
                      (record_aggregate
                        (record_component_association_list
                          (component_choice_list
                            (identifier))
                          (expression
                            (term
                              (numeric_literal))))))))))))))))

================================================================================
Filtered for loops
================================================================================

procedure P is
begin
   for E of Some_Array when E /= 0 loop
      null;
   end loop;
end;

--------------------------------------------------------------------------------

(compilation
  (compilation_unit
    (subprogram_body
      (procedure_specification
        (identifier))
      (handled_sequence_of_statements
        (loop_statement
          (iteration_scheme
            (iterator_specification
              (identifier)
              (identifier)
              (iterator_filter
                (expression
                  (term
                    (identifier))
                  (relational_operator)
                  (term
                    (numeric_literal))))))
          (null_statement))))))

================================================================================
Assignment target name
================================================================================

procedure P is
begin
   Some_Very_Long.And_Complex (Expression) := @ + 1;
   Another_Very_Long.And_Complex (Expression) := Function_Call (@);
end;

--------------------------------------------------------------------------------

(compilation
  (compilation_unit
    (subprogram_body
      (procedure_specification
        (identifier))
      (handled_sequence_of_statements
        (assignment_statement
          (function_call
            (selected_component
              (identifier)
              (identifier))
            (actual_parameter_part
              (parameter_association
                (expression
                  (term
                    (identifier))))))
          (expression
            (term
              (target_name))
            (binary_adding_operator)
            (term
              (numeric_literal))))
        (assignment_statement
          (function_call
            (selected_component
              (identifier)
              (identifier))
            (actual_parameter_part
              (parameter_association
                (expression
                  (term
                    (identifier))))))
          (expression
            (term
              (function_call
                (identifier)
                (actual_parameter_part
                  (parameter_association
                    (expression
                      (term
                        (target_name)))))))))))))

================================================================================
if-expressions
================================================================================

procedure P is
begin
   S := new String'((if N /= "" then N else "12"));
   S := new String'(if N /= "" then N else "12");
end;

--------------------------------------------------------------------------------

(compilation
  (compilation_unit
    (subprogram_body
      (procedure_specification
        (identifier))
      (handled_sequence_of_statements
        (assignment_statement
          (identifier)
          (expression
            (term
              (allocator
                (qualified_expression
                  (identifier)
                  (tick)
                  (expression
                    (term
                      (if_expression
                        (expression
                          (term
                            (identifier))
                          (relational_operator)
                          (term
                            (string_literal)))
                        (expression
                          (term
                            (identifier)))
                        (expression
                          (term
                            (string_literal)))))))))))
        (assignment_statement
          (identifier)
          (expression
            (term
              (allocator
                (qualified_expression
                  (identifier)
                  (tick)
                  (if_expression
                    (expression
                      (term
                        (identifier))
                      (relational_operator)
                      (term
                        (string_literal)))
                    (expression
                      (term
                        (identifier)))
                    (expression
                      (term
                        (string_literal)))))))))))))

================================================================================
Re-raise
================================================================================

procedure P is
begin
   null;
exception
   when others =>
      Proc;
      pragma Assert (True);
      raise;
end;

--------------------------------------------------------------------------------

(compilation
  (compilation_unit
    (subprogram_body
      (procedure_specification
        (identifier))
      (handled_sequence_of_statements
        (null_statement)
        (exception_handler
          (exception_choice_list
            (exception_choice))
          (procedure_call_statement
            (identifier))
          (pragma_g
            (identifier)
            (pragma_argument_association
              (expression
                (term
                  (identifier)))))
          (raise_statement))))))