-- --
-- B o d y --
-- --
--- Copyright (C) 1992-2001 Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2003 Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
with Exp_Ch13; use Exp_Ch13;
with Exp_Prag; use Exp_Prag;
with Opt; use Opt;
+with Rtsfind; use Rtsfind;
with Sem; use Sem;
with Sem_Ch8; use Sem_Ch8;
with Sem_Util; use Sem_Util;
-- activity required in each case, see bodies of corresponding
-- expand routines
- case Nkind (N) is
+ begin
+ case Nkind (N) is
+
+ when N_Abort_Statement =>
+ Expand_N_Abort_Statement (N);
- when N_Abort_Statement =>
- Expand_N_Abort_Statement (N);
+ when N_Accept_Statement =>
+ Expand_N_Accept_Statement (N);
- when N_Accept_Statement =>
- Expand_N_Accept_Statement (N);
+ when N_Aggregate =>
+ Expand_N_Aggregate (N);
- when N_Aggregate =>
- Expand_N_Aggregate (N);
+ when N_Allocator =>
+ Expand_N_Allocator (N);
- when N_Allocator =>
- Expand_N_Allocator (N);
+ when N_And_Then =>
+ Expand_N_And_Then (N);
- when N_And_Then =>
- Expand_N_And_Then (N);
+ when N_Assignment_Statement =>
+ Expand_N_Assignment_Statement (N);
- when N_Assignment_Statement =>
- Expand_N_Assignment_Statement (N);
+ when N_Asynchronous_Select =>
+ Expand_N_Asynchronous_Select (N);
- when N_Asynchronous_Select =>
- Expand_N_Asynchronous_Select (N);
+ when N_Attribute_Definition_Clause =>
+ Expand_N_Attribute_Definition_Clause (N);
- when N_Attribute_Definition_Clause =>
- Expand_N_Attribute_Definition_Clause (N);
+ when N_Attribute_Reference =>
+ Expand_N_Attribute_Reference (N);
- when N_Attribute_Reference =>
- Expand_N_Attribute_Reference (N);
+ when N_Block_Statement =>
+ Expand_N_Block_Statement (N);
- when N_Block_Statement =>
- Expand_N_Block_Statement (N);
+ when N_Case_Statement =>
+ Expand_N_Case_Statement (N);
- when N_Case_Statement =>
- Expand_N_Case_Statement (N);
+ when N_Conditional_Entry_Call =>
+ Expand_N_Conditional_Entry_Call (N);
- when N_Conditional_Entry_Call =>
- Expand_N_Conditional_Entry_Call (N);
+ when N_Conditional_Expression =>
+ Expand_N_Conditional_Expression (N);
- when N_Conditional_Expression =>
- Expand_N_Conditional_Expression (N);
+ when N_Delay_Relative_Statement =>
+ Expand_N_Delay_Relative_Statement (N);
- when N_Delay_Relative_Statement =>
- Expand_N_Delay_Relative_Statement (N);
+ when N_Delay_Until_Statement =>
+ Expand_N_Delay_Until_Statement (N);
- when N_Delay_Until_Statement =>
- Expand_N_Delay_Until_Statement (N);
+ when N_Entry_Body =>
+ Expand_N_Entry_Body (N);
- when N_Entry_Body =>
- Expand_N_Entry_Body (N);
+ when N_Entry_Call_Statement =>
+ Expand_N_Entry_Call_Statement (N);
- when N_Entry_Call_Statement =>
- Expand_N_Entry_Call_Statement (N);
+ when N_Entry_Declaration =>
+ Expand_N_Entry_Declaration (N);
- when N_Entry_Declaration =>
- Expand_N_Entry_Declaration (N);
+ when N_Exception_Declaration =>
+ Expand_N_Exception_Declaration (N);
- when N_Exception_Declaration =>
- Expand_N_Exception_Declaration (N);
+ when N_Exception_Renaming_Declaration =>
+ Expand_N_Exception_Renaming_Declaration (N);
- when N_Exception_Renaming_Declaration =>
- Expand_N_Exception_Renaming_Declaration (N);
+ when N_Exit_Statement =>
+ Expand_N_Exit_Statement (N);
- when N_Exit_Statement =>
- Expand_N_Exit_Statement (N);
+ when N_Expanded_Name =>
+ Expand_N_Expanded_Name (N);
- when N_Expanded_Name =>
- Expand_N_Expanded_Name (N);
+ when N_Explicit_Dereference =>
+ Expand_N_Explicit_Dereference (N);
- when N_Explicit_Dereference =>
- Expand_N_Explicit_Dereference (N);
+ when N_Extension_Aggregate =>
+ Expand_N_Extension_Aggregate (N);
- when N_Extension_Aggregate =>
- Expand_N_Extension_Aggregate (N);
+ when N_Freeze_Entity =>
+ Expand_N_Freeze_Entity (N);
- when N_Freeze_Entity =>
- Expand_N_Freeze_Entity (N);
+ when N_Full_Type_Declaration =>
+ Expand_N_Full_Type_Declaration (N);
- when N_Full_Type_Declaration =>
- Expand_N_Full_Type_Declaration (N);
+ when N_Function_Call =>
+ Expand_N_Function_Call (N);
- when N_Function_Call =>
- Expand_N_Function_Call (N);
+ when N_Generic_Instantiation =>
+ Expand_N_Generic_Instantiation (N);
- when N_Generic_Instantiation =>
- Expand_N_Generic_Instantiation (N);
+ when N_Goto_Statement =>
+ Expand_N_Goto_Statement (N);
- when N_Goto_Statement =>
- Expand_N_Goto_Statement (N);
+ when N_Handled_Sequence_Of_Statements =>
+ Expand_N_Handled_Sequence_Of_Statements (N);
- when N_Handled_Sequence_Of_Statements =>
- Expand_N_Handled_Sequence_Of_Statements (N);
+ when N_Identifier =>
+ Expand_N_Identifier (N);
- when N_Identifier =>
- Expand_N_Identifier (N);
+ when N_Indexed_Component =>
+ Expand_N_Indexed_Component (N);
- when N_Indexed_Component =>
- Expand_N_Indexed_Component (N);
+ when N_If_Statement =>
+ Expand_N_If_Statement (N);
- when N_If_Statement =>
- Expand_N_If_Statement (N);
+ when N_In =>
+ Expand_N_In (N);
- when N_In =>
- Expand_N_In (N);
+ when N_Loop_Statement =>
+ Expand_N_Loop_Statement (N);
- when N_Loop_Statement =>
- Expand_N_Loop_Statement (N);
+ when N_Not_In =>
+ Expand_N_Not_In (N);
- when N_Not_In =>
- Expand_N_Not_In (N);
+ when N_Null =>
+ Expand_N_Null (N);
- when N_Null =>
- Expand_N_Null (N);
+ when N_Object_Declaration =>
+ Expand_N_Object_Declaration (N);
- when N_Object_Declaration =>
- Expand_N_Object_Declaration (N);
+ when N_Object_Renaming_Declaration =>
+ Expand_N_Object_Renaming_Declaration (N);
- when N_Object_Renaming_Declaration =>
- Expand_N_Object_Renaming_Declaration (N);
+ when N_Op_Add =>
+ Expand_N_Op_Add (N);
- when N_Op_Add =>
- Expand_N_Op_Add (N);
+ when N_Op_Abs =>
+ Expand_N_Op_Abs (N);
- when N_Op_Abs =>
- Expand_N_Op_Abs (N);
+ when N_Op_And =>
+ Expand_N_Op_And (N);
- when N_Op_And =>
- Expand_N_Op_And (N);
+ when N_Op_Concat =>
+ Expand_N_Op_Concat (N);
- when N_Op_Concat =>
- Expand_N_Op_Concat (N);
+ when N_Op_Divide =>
+ Expand_N_Op_Divide (N);
- when N_Op_Divide =>
- Expand_N_Op_Divide (N);
+ when N_Op_Eq =>
+ Expand_N_Op_Eq (N);
- when N_Op_Eq =>
- Expand_N_Op_Eq (N);
+ when N_Op_Expon =>
+ Expand_N_Op_Expon (N);
- when N_Op_Expon =>
- Expand_N_Op_Expon (N);
+ when N_Op_Ge =>
+ Expand_N_Op_Ge (N);
- when N_Op_Ge =>
- Expand_N_Op_Ge (N);
+ when N_Op_Gt =>
+ Expand_N_Op_Gt (N);
- when N_Op_Gt =>
- Expand_N_Op_Gt (N);
+ when N_Op_Le =>
+ Expand_N_Op_Le (N);
- when N_Op_Le =>
- Expand_N_Op_Le (N);
+ when N_Op_Lt =>
+ Expand_N_Op_Lt (N);
- when N_Op_Lt =>
- Expand_N_Op_Lt (N);
+ when N_Op_Minus =>
+ Expand_N_Op_Minus (N);
- when N_Op_Minus =>
- Expand_N_Op_Minus (N);
+ when N_Op_Mod =>
+ Expand_N_Op_Mod (N);
- when N_Op_Mod =>
- Expand_N_Op_Mod (N);
+ when N_Op_Multiply =>
+ Expand_N_Op_Multiply (N);
- when N_Op_Multiply =>
- Expand_N_Op_Multiply (N);
+ when N_Op_Ne =>
+ Expand_N_Op_Ne (N);
- when N_Op_Ne =>
- Expand_N_Op_Ne (N);
+ when N_Op_Not =>
+ Expand_N_Op_Not (N);
- when N_Op_Not =>
- Expand_N_Op_Not (N);
+ when N_Op_Or =>
+ Expand_N_Op_Or (N);
- when N_Op_Or =>
- Expand_N_Op_Or (N);
+ when N_Op_Plus =>
+ Expand_N_Op_Plus (N);
- when N_Op_Plus =>
- Expand_N_Op_Plus (N);
+ when N_Op_Rem =>
+ Expand_N_Op_Rem (N);
- when N_Op_Rem =>
- Expand_N_Op_Rem (N);
+ when N_Op_Rotate_Left =>
+ Expand_N_Op_Rotate_Left (N);
- when N_Op_Rotate_Left =>
- Expand_N_Op_Rotate_Left (N);
+ when N_Op_Rotate_Right =>
+ Expand_N_Op_Rotate_Right (N);
- when N_Op_Rotate_Right =>
- Expand_N_Op_Rotate_Right (N);
+ when N_Op_Shift_Left =>
+ Expand_N_Op_Shift_Left (N);
- when N_Op_Shift_Left =>
- Expand_N_Op_Shift_Left (N);
+ when N_Op_Shift_Right =>
+ Expand_N_Op_Shift_Right (N);
- when N_Op_Shift_Right =>
- Expand_N_Op_Shift_Right (N);
+ when N_Op_Shift_Right_Arithmetic =>
+ Expand_N_Op_Shift_Right_Arithmetic (N);
- when N_Op_Shift_Right_Arithmetic =>
- Expand_N_Op_Shift_Right_Arithmetic (N);
+ when N_Op_Subtract =>
+ Expand_N_Op_Subtract (N);
- when N_Op_Subtract =>
- Expand_N_Op_Subtract (N);
+ when N_Op_Xor =>
+ Expand_N_Op_Xor (N);
- when N_Op_Xor =>
- Expand_N_Op_Xor (N);
+ when N_Or_Else =>
+ Expand_N_Or_Else (N);
- when N_Or_Else =>
- Expand_N_Or_Else (N);
+ when N_Package_Body =>
+ Expand_N_Package_Body (N);
- when N_Package_Body =>
- Expand_N_Package_Body (N);
+ when N_Package_Declaration =>
+ Expand_N_Package_Declaration (N);
- when N_Package_Declaration =>
- Expand_N_Package_Declaration (N);
+ when N_Package_Renaming_Declaration =>
+ Expand_N_Package_Renaming_Declaration (N);
- when N_Package_Renaming_Declaration =>
- Expand_N_Package_Renaming_Declaration (N);
+ when N_Pragma =>
+ Expand_N_Pragma (N);
- when N_Pragma =>
- Expand_N_Pragma (N);
+ when N_Procedure_Call_Statement =>
+ Expand_N_Procedure_Call_Statement (N);
- when N_Procedure_Call_Statement =>
- Expand_N_Procedure_Call_Statement (N);
+ when N_Protected_Type_Declaration =>
+ Expand_N_Protected_Type_Declaration (N);
- when N_Protected_Type_Declaration =>
- Expand_N_Protected_Type_Declaration (N);
+ when N_Protected_Body =>
+ Expand_N_Protected_Body (N);
- when N_Protected_Body =>
- Expand_N_Protected_Body (N);
+ when N_Qualified_Expression =>
+ Expand_N_Qualified_Expression (N);
- when N_Qualified_Expression =>
- Expand_N_Qualified_Expression (N);
+ when N_Raise_Statement =>
+ Expand_N_Raise_Statement (N);
- when N_Raise_Statement =>
- Expand_N_Raise_Statement (N);
+ when N_Raise_Constraint_Error =>
+ Expand_N_Raise_Constraint_Error (N);
- when N_Raise_Constraint_Error =>
- Expand_N_Raise_Constraint_Error (N);
+ when N_Raise_Program_Error =>
+ Expand_N_Raise_Program_Error (N);
- when N_Raise_Program_Error =>
- Expand_N_Raise_Program_Error (N);
+ when N_Raise_Storage_Error =>
+ Expand_N_Raise_Storage_Error (N);
- when N_Raise_Storage_Error =>
- Expand_N_Raise_Storage_Error (N);
+ when N_Real_Literal =>
+ Expand_N_Real_Literal (N);
- when N_Real_Literal =>
- Expand_N_Real_Literal (N);
+ when N_Record_Representation_Clause =>
+ Expand_N_Record_Representation_Clause (N);
- when N_Record_Representation_Clause =>
- Expand_N_Record_Representation_Clause (N);
+ when N_Requeue_Statement =>
+ Expand_N_Requeue_Statement (N);
- when N_Requeue_Statement =>
- Expand_N_Requeue_Statement (N);
+ when N_Return_Statement =>
+ Expand_N_Return_Statement (N);
- when N_Return_Statement =>
- Expand_N_Return_Statement (N);
+ when N_Selected_Component =>
+ Expand_N_Selected_Component (N);
- when N_Selected_Component =>
- Expand_N_Selected_Component (N);
+ when N_Selective_Accept =>
+ Expand_N_Selective_Accept (N);
- when N_Selective_Accept =>
- Expand_N_Selective_Accept (N);
+ when N_Single_Task_Declaration =>
+ Expand_N_Single_Task_Declaration (N);
- when N_Single_Task_Declaration =>
- Expand_N_Single_Task_Declaration (N);
+ when N_Slice =>
+ Expand_N_Slice (N);
- when N_Slice =>
- Expand_N_Slice (N);
+ when N_Subtype_Indication =>
+ Expand_N_Subtype_Indication (N);
- when N_Subtype_Indication =>
- Expand_N_Subtype_Indication (N);
+ when N_Subprogram_Body =>
+ Expand_N_Subprogram_Body (N);
- when N_Subprogram_Body =>
- Expand_N_Subprogram_Body (N);
+ when N_Subprogram_Body_Stub =>
+ Expand_N_Subprogram_Body_Stub (N);
- when N_Subprogram_Body_Stub =>
- Expand_N_Subprogram_Body_Stub (N);
+ when N_Subprogram_Declaration =>
+ Expand_N_Subprogram_Declaration (N);
- when N_Subprogram_Declaration =>
- Expand_N_Subprogram_Declaration (N);
+ when N_Subprogram_Info =>
+ Expand_N_Subprogram_Info (N);
- when N_Subprogram_Info =>
- Expand_N_Subprogram_Info (N);
+ when N_Task_Body =>
+ Expand_N_Task_Body (N);
- when N_Task_Body =>
- Expand_N_Task_Body (N);
+ when N_Task_Type_Declaration =>
+ Expand_N_Task_Type_Declaration (N);
- when N_Task_Type_Declaration =>
- Expand_N_Task_Type_Declaration (N);
+ when N_Timed_Entry_Call =>
+ Expand_N_Timed_Entry_Call (N);
- when N_Timed_Entry_Call =>
- Expand_N_Timed_Entry_Call (N);
+ when N_Type_Conversion =>
+ Expand_N_Type_Conversion (N);
- when N_Type_Conversion =>
- Expand_N_Type_Conversion (N);
+ when N_Unchecked_Expression =>
+ Expand_N_Unchecked_Expression (N);
- when N_Unchecked_Expression =>
- Expand_N_Unchecked_Expression (N);
+ when N_Unchecked_Type_Conversion =>
+ Expand_N_Unchecked_Type_Conversion (N);
- when N_Unchecked_Type_Conversion =>
- Expand_N_Unchecked_Type_Conversion (N);
+ when N_Variant_Part =>
+ Expand_N_Variant_Part (N);
- when N_Variant_Part =>
- Expand_N_Variant_Part (N);
+ -- For all other node kinds, no expansion activity is required
- -- For all other node kinds, no expansion activity is required
+ when others => null;
- when others => null;
+ end case;
- end case;
+ exception
+ when RE_Not_Available =>
+ return;
+ end;
-- Set result as analyzed and then do a possible transient wrap. The
-- transient wrap must be done after the Analyzed flag is set on, so
Debug_A_Exit ("expanding ", N, " (done)");
end if;
+
end Expand;
---------------------------
procedure Expander_Mode_Restore is
begin
+ -- Not active (has no effect) in ASIS mode (see comments in spec of
+ -- Expander_Mode_Save_And_Set).
+
+ if ASIS_Mode then
+ return;
+ end if;
+
+ -- Otherwise restore the flag
+
Expander_Active := Expander_Flags.Table (Expander_Flags.Last);
Expander_Flags.Decrement_Last;
+ -- Keep expander off if serious errors detected. In this case we do
+ -- not need expansion, and continued expansion may cause cascaded
+ -- errors or compiler bombs.
+
if Serious_Errors_Detected /= 0 then
Expander_Active := False;
end if;
procedure Expander_Mode_Save_And_Set (Status : Boolean) is
begin
+ -- Not active (has no effect) in ASIS mode (see comments in spec of
+ -- Expander_Mode_Save_And_Set).
+
+ if ASIS_Mode then
+ return;
+ end if;
+
+ -- Otherwise save and set the flag
+
Expander_Flags.Increment_Last;
Expander_Flags.Table (Expander_Flags.Last) := Expander_Active;
Expander_Active := Status;
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