1655 lines
63 KiB
Ada
1655 lines
63 KiB
Ada
------------------------------------------------------------------------------
|
|
-- --
|
|
-- GNAT COMPILER COMPONENTS --
|
|
-- --
|
|
-- A D A . E X C E P T I O N S --
|
|
-- --
|
|
-- B o d y --
|
|
-- --
|
|
-- Copyright (C) 1992-2015, 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- --
|
|
-- ware Foundation; either version 3, or (at your option) any later ver- --
|
|
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
|
|
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
|
|
-- or FITNESS FOR A PARTICULAR PURPOSE. --
|
|
-- --
|
|
-- As a special exception under Section 7 of GPL version 3, you are granted --
|
|
-- additional permissions described in the GCC Runtime Library Exception, --
|
|
-- version 3.1, as published by the Free Software Foundation. --
|
|
-- --
|
|
-- You should have received a copy of the GNU General Public License and --
|
|
-- a copy of the GCC Runtime Library Exception along with this program; --
|
|
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
|
|
-- <http://www.gnu.org/licenses/>. --
|
|
-- --
|
|
-- GNAT was originally developed by the GNAT team at New York University. --
|
|
-- Extensive contributions were provided by Ada Core Technologies Inc. --
|
|
-- --
|
|
------------------------------------------------------------------------------
|
|
|
|
pragma Compiler_Unit_Warning;
|
|
|
|
pragma Style_Checks (All_Checks);
|
|
-- No subprogram ordering check, due to logical grouping
|
|
|
|
pragma Polling (Off);
|
|
-- We must turn polling off for this unit, because otherwise we get
|
|
-- elaboration circularities with System.Exception_Tables.
|
|
|
|
with System; use System;
|
|
with System.Exceptions_Debug; use System.Exceptions_Debug;
|
|
with System.Standard_Library; use System.Standard_Library;
|
|
with System.Soft_Links; use System.Soft_Links;
|
|
|
|
package body Ada.Exceptions is
|
|
|
|
pragma Suppress (All_Checks);
|
|
-- We definitely do not want exceptions occurring within this unit, or we
|
|
-- are in big trouble. If an exceptional situation does occur, better that
|
|
-- it not be raised, since raising it can cause confusing chaos.
|
|
|
|
-----------------------
|
|
-- Local Subprograms --
|
|
-----------------------
|
|
|
|
-- Note: the exported subprograms in this package body are called directly
|
|
-- from C clients using the given external name, even though they are not
|
|
-- technically visible in the Ada sense.
|
|
|
|
procedure Process_Raise_Exception (E : Exception_Id);
|
|
pragma No_Return (Process_Raise_Exception);
|
|
-- This is the lowest level raise routine. It raises the exception
|
|
-- referenced by Current_Excep.all in the TSD, without deferring abort
|
|
-- (the caller must ensure that abort is deferred on entry).
|
|
|
|
procedure To_Stderr (S : String);
|
|
pragma Export (Ada, To_Stderr, "__gnat_to_stderr");
|
|
-- Little routine to output string to stderr that is also used in the
|
|
-- tasking run time.
|
|
|
|
procedure To_Stderr (C : Character);
|
|
pragma Inline (To_Stderr);
|
|
pragma Export (Ada, To_Stderr, "__gnat_to_stderr_char");
|
|
-- Little routine to output a character to stderr, used by some of the
|
|
-- separate units below.
|
|
|
|
package Exception_Data is
|
|
|
|
-----------------------------------
|
|
-- Exception Message Subprograms --
|
|
-----------------------------------
|
|
|
|
procedure Set_Exception_C_Msg
|
|
(Excep : EOA;
|
|
Id : Exception_Id;
|
|
Msg1 : System.Address;
|
|
Line : Integer := 0;
|
|
Column : Integer := 0;
|
|
Msg2 : System.Address := System.Null_Address);
|
|
-- This routine is called to setup the exception referenced by the
|
|
-- Current_Excep field in the TSD to contain the indicated Id value
|
|
-- and message. Msg1 is a null terminated string which is generated
|
|
-- as the exception message. If line is non-zero, then a colon and
|
|
-- the decimal representation of this integer is appended to the
|
|
-- message. Ditto for Column. When Msg2 is non-null, a space and this
|
|
-- additional null terminated string is added to the message.
|
|
|
|
procedure Set_Exception_Msg
|
|
(Excep : EOA;
|
|
Id : Exception_Id;
|
|
Message : String);
|
|
-- This routine is called to setup the exception referenced by the
|
|
-- Current_Excep field in the TSD to contain the indicated Id value and
|
|
-- message. Message is a string which is generated as the exception
|
|
-- message.
|
|
|
|
---------------------------------------
|
|
-- Exception Information Subprograms --
|
|
---------------------------------------
|
|
|
|
function Untailored_Exception_Information
|
|
(X : Exception_Occurrence) return String;
|
|
-- This is used by Stream_Attributes.EO_To_String to convert an
|
|
-- Exception_Occurrence to a String for the stream attributes.
|
|
-- String_To_EO understands the format, as documented here.
|
|
--
|
|
-- The format of the string is as follows:
|
|
--
|
|
-- raised <exception name> : <message>
|
|
-- (" : <message>" is present only if Exception_Message is not empty)
|
|
-- PID=nnnn (only if nonzero)
|
|
-- Call stack traceback locations: (only if at least one location)
|
|
-- <0xyyyyyyyy 0xyyyyyyyy ...> (is recorded)
|
|
--
|
|
-- The lines are separated by a ASCII.LF character.
|
|
-- The nnnn is the partition Id given as decimal digits.
|
|
-- The 0x... line represents traceback program counter locations, in
|
|
-- execution order with the first one being the exception location.
|
|
--
|
|
-- The Exception_Name and Message lines are omitted in the abort
|
|
-- signal case, since this is not really an exception.
|
|
--
|
|
-- Note: If the format of the generated string is changed, please note
|
|
-- that an equivalent modification to the routine String_To_EO must be
|
|
-- made to preserve proper functioning of the stream attributes.
|
|
|
|
function Exception_Information (X : Exception_Occurrence) return String;
|
|
-- This is the implementation of Ada.Exceptions.Exception_Information,
|
|
-- as defined in the Ada RM.
|
|
--
|
|
-- If no traceback decorator (see GNAT.Exception_Traces) is currently
|
|
-- in place, this is the same as Untailored_Exception_Information.
|
|
-- Otherwise, the decorator is used to produce a symbolic traceback
|
|
-- instead of hexadecimal addresses.
|
|
--
|
|
-- Note that unlike Untailored_Exception_Information, there is no need
|
|
-- to keep the output of Exception_Information stable for streaming
|
|
-- purposes, and in fact the output differs across platforms.
|
|
|
|
end Exception_Data;
|
|
|
|
package Exception_Traces is
|
|
|
|
-------------------------------------------------
|
|
-- Run-Time Exception Notification Subprograms --
|
|
-------------------------------------------------
|
|
|
|
-- These subprograms provide a common run-time interface to trigger the
|
|
-- actions required when an exception is about to be propagated (e.g.
|
|
-- user specified actions or output of exception information). They are
|
|
-- exported to be usable by the Ada exception handling personality
|
|
-- routine when the GCC 3 mechanism is used.
|
|
|
|
procedure Notify_Handled_Exception (Excep : EOA);
|
|
pragma Export
|
|
(C, Notify_Handled_Exception, "__gnat_notify_handled_exception");
|
|
-- This routine is called for a handled occurrence is about to be
|
|
-- propagated.
|
|
|
|
procedure Notify_Unhandled_Exception (Excep : EOA);
|
|
pragma Export
|
|
(C, Notify_Unhandled_Exception, "__gnat_notify_unhandled_exception");
|
|
-- This routine is called when an unhandled occurrence is about to be
|
|
-- propagated.
|
|
|
|
procedure Unhandled_Exception_Terminate (Excep : EOA);
|
|
pragma No_Return (Unhandled_Exception_Terminate);
|
|
-- This procedure is called to terminate program execution following an
|
|
-- unhandled exception. The exception information, including traceback
|
|
-- if available is output, and execution is then terminated. Note that
|
|
-- at the point where this routine is called, the stack has typically
|
|
-- been destroyed.
|
|
|
|
end Exception_Traces;
|
|
|
|
package Stream_Attributes is
|
|
|
|
----------------------------------
|
|
-- Stream Attribute Subprograms --
|
|
----------------------------------
|
|
|
|
function EId_To_String (X : Exception_Id) return String;
|
|
function String_To_EId (S : String) return Exception_Id;
|
|
-- Functions for implementing Exception_Id stream attributes
|
|
|
|
function EO_To_String (X : Exception_Occurrence) return String;
|
|
function String_To_EO (S : String) return Exception_Occurrence;
|
|
-- Functions for implementing Exception_Occurrence stream
|
|
-- attributes
|
|
|
|
end Stream_Attributes;
|
|
|
|
procedure Raise_Current_Excep (E : Exception_Id);
|
|
pragma No_Return (Raise_Current_Excep);
|
|
pragma Export (C, Raise_Current_Excep, "__gnat_raise_nodefer_with_msg");
|
|
-- This is a simple wrapper to Process_Raise_Exception.
|
|
--
|
|
-- This external name for Raise_Current_Excep is historical, and probably
|
|
-- should be changed but for now we keep it, because gdb and gigi know
|
|
-- about it.
|
|
|
|
procedure Raise_Exception_No_Defer
|
|
(E : Exception_Id;
|
|
Message : String := "");
|
|
pragma Export
|
|
(Ada, Raise_Exception_No_Defer,
|
|
"ada__exceptions__raise_exception_no_defer");
|
|
pragma No_Return (Raise_Exception_No_Defer);
|
|
-- Similar to Raise_Exception, but with no abort deferral
|
|
|
|
procedure Raise_With_Msg (E : Exception_Id);
|
|
pragma No_Return (Raise_With_Msg);
|
|
pragma Export (C, Raise_With_Msg, "__gnat_raise_with_msg");
|
|
-- Raises an exception with given exception id value. A message is
|
|
-- associated with the raise, and has already been stored in the exception
|
|
-- occurrence referenced by the Current_Excep in the TSD. Abort is deferred
|
|
-- before the raise call.
|
|
|
|
procedure Raise_With_Location_And_Msg
|
|
(E : Exception_Id;
|
|
F : System.Address;
|
|
L : Integer;
|
|
M : System.Address := System.Null_Address);
|
|
pragma No_Return (Raise_With_Location_And_Msg);
|
|
-- Raise an exception with given exception id value. A filename and line
|
|
-- number is associated with the raise and is stored in the exception
|
|
-- occurrence and in addition a string message M is appended to this
|
|
-- if M is not null.
|
|
|
|
procedure Raise_Constraint_Error
|
|
(File : System.Address;
|
|
Line : Integer);
|
|
pragma No_Return (Raise_Constraint_Error);
|
|
pragma Export
|
|
(C, Raise_Constraint_Error, "__gnat_raise_constraint_error");
|
|
-- Raise constraint error with file:line information
|
|
|
|
procedure Raise_Constraint_Error_Msg
|
|
(File : System.Address;
|
|
Line : Integer;
|
|
Msg : System.Address);
|
|
pragma No_Return (Raise_Constraint_Error_Msg);
|
|
pragma Export
|
|
(C, Raise_Constraint_Error_Msg, "__gnat_raise_constraint_error_msg");
|
|
-- Raise constraint error with file:line + msg information
|
|
|
|
procedure Raise_Program_Error
|
|
(File : System.Address;
|
|
Line : Integer);
|
|
pragma No_Return (Raise_Program_Error);
|
|
pragma Export
|
|
(C, Raise_Program_Error, "__gnat_raise_program_error");
|
|
-- Raise program error with file:line information
|
|
|
|
procedure Raise_Program_Error_Msg
|
|
(File : System.Address;
|
|
Line : Integer;
|
|
Msg : System.Address);
|
|
pragma No_Return (Raise_Program_Error_Msg);
|
|
pragma Export
|
|
(C, Raise_Program_Error_Msg, "__gnat_raise_program_error_msg");
|
|
-- Raise program error with file:line + msg information
|
|
|
|
procedure Raise_Storage_Error
|
|
(File : System.Address;
|
|
Line : Integer);
|
|
pragma No_Return (Raise_Storage_Error);
|
|
pragma Export
|
|
(C, Raise_Storage_Error, "__gnat_raise_storage_error");
|
|
-- Raise storage error with file:line information
|
|
|
|
procedure Raise_Storage_Error_Msg
|
|
(File : System.Address;
|
|
Line : Integer;
|
|
Msg : System.Address);
|
|
pragma No_Return (Raise_Storage_Error_Msg);
|
|
pragma Export
|
|
(C, Raise_Storage_Error_Msg, "__gnat_raise_storage_error_msg");
|
|
-- Raise storage error with file:line + reason msg information
|
|
|
|
-- The exception raising process and the automatic tracing mechanism rely
|
|
-- on some careful use of flags attached to the exception occurrence. The
|
|
-- graph below illustrates the relations between the Raise_ subprograms
|
|
-- and identifies the points where basic flags such as Exception_Raised
|
|
-- are initialized.
|
|
--
|
|
-- (i) signs indicate the flags initialization points. R stands for Raise,
|
|
-- W for With, and E for Exception.
|
|
--
|
|
-- R_No_Msg R_E R_Pe R_Ce R_Se
|
|
-- | | | | |
|
|
-- +--+ +--+ +---+ | +---+
|
|
-- | | | | |
|
|
-- R_E_No_Defer(i) R_W_Msg(i) R_W_Loc
|
|
-- | | | |
|
|
-- +------------+ | +-----------+ +--+
|
|
-- | | | |
|
|
-- | | | Set_E_C_Msg(i)
|
|
-- | | |
|
|
-- Raise_Current_Excep
|
|
|
|
procedure Reraise;
|
|
pragma No_Return (Reraise);
|
|
pragma Export (C, Reraise, "__gnat_reraise");
|
|
-- Reraises the exception referenced by the Current_Excep field of the TSD
|
|
-- (all fields of this exception occurrence are set). Abort is deferred
|
|
-- before the reraise operation.
|
|
|
|
procedure Transfer_Occurrence
|
|
(Target : Exception_Occurrence_Access;
|
|
Source : Exception_Occurrence);
|
|
pragma Export (C, Transfer_Occurrence, "__gnat_transfer_occurrence");
|
|
-- Called from System.Tasking.RendezVous.Exceptional_Complete_RendezVous
|
|
-- to setup Target from Source as an exception to be propagated in the
|
|
-- caller task. Target is expected to be a pointer to the fixed TSD
|
|
-- occurrence for this task.
|
|
|
|
--------------------------------
|
|
-- Run-Time Check Subprograms --
|
|
--------------------------------
|
|
|
|
-- These subprograms raise a specific exception with a reason message
|
|
-- attached. The parameters are the file name and line number in each
|
|
-- case. The names are defined by Exp_Ch11.Get_RT_Exception_Name.
|
|
|
|
-- Note on ordering of these subprograms. Normally in the Ada.Exceptions
|
|
-- units we do not care about the ordering of entries for Rcheck
|
|
-- subprograms, and the normal approach is to keep them in the same
|
|
-- order as declarations in Types.
|
|
|
|
-- This section is an IMPORTANT EXCEPTION. It is required by the .Net
|
|
-- runtime that the routine Rcheck_PE_Finalize_Raise_Exception is at the
|
|
-- end of the list (for reasons that are documented in the exceptmsg.awk
|
|
-- script which takes care of generating the required exception data).
|
|
|
|
procedure Rcheck_CE_Access_Check -- 00
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_CE_Null_Access_Parameter -- 01
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_CE_Discriminant_Check -- 02
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_CE_Divide_By_Zero -- 03
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_CE_Explicit_Raise -- 04
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_CE_Index_Check -- 05
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_CE_Invalid_Data -- 06
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_CE_Length_Check -- 07
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_CE_Null_Exception_Id -- 08
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_CE_Null_Not_Allowed -- 09
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_CE_Overflow_Check -- 10
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_CE_Partition_Check -- 11
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_CE_Range_Check -- 12
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_CE_Tag_Check -- 13
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_PE_Access_Before_Elaboration -- 14
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_PE_Accessibility_Check -- 15
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_PE_Address_Of_Intrinsic -- 16
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_PE_Aliased_Parameters -- 17
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_PE_All_Guards_Closed -- 18
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_PE_Bad_Predicated_Generic_Type -- 19
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_PE_Current_Task_In_Entry_Body -- 20
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_PE_Duplicated_Entry_Address -- 21
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_PE_Explicit_Raise -- 22
|
|
(File : System.Address; Line : Integer);
|
|
|
|
procedure Rcheck_PE_Implicit_Return -- 24
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_PE_Misaligned_Address_Value -- 25
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_PE_Missing_Return -- 26
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_PE_Overlaid_Controlled_Object -- 27
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_PE_Potentially_Blocking_Operation -- 28
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_PE_Stubbed_Subprogram_Called -- 29
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_PE_Unchecked_Union_Restriction -- 30
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_PE_Non_Transportable_Actual -- 31
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_SE_Empty_Storage_Pool -- 32
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_SE_Explicit_Raise -- 33
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_SE_Infinite_Recursion -- 34
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_SE_Object_Too_Large -- 35
|
|
(File : System.Address; Line : Integer);
|
|
procedure Rcheck_PE_Stream_Operation_Not_Allowed -- 36
|
|
(File : System.Address; Line : Integer);
|
|
|
|
procedure Rcheck_PE_Finalize_Raised_Exception -- 23
|
|
(File : System.Address; Line : Integer);
|
|
-- This routine is separated out because it has quite different behavior
|
|
-- from the others. This is the "finalize/adjust raised exception". This
|
|
-- subprogram is always called with abort deferred, unlike all other
|
|
-- Rcheck_* subprograms, it needs to call Raise_Exception_No_Defer.
|
|
|
|
pragma Export (C, Rcheck_CE_Access_Check,
|
|
"__gnat_rcheck_CE_Access_Check");
|
|
pragma Export (C, Rcheck_CE_Null_Access_Parameter,
|
|
"__gnat_rcheck_CE_Null_Access_Parameter");
|
|
pragma Export (C, Rcheck_CE_Discriminant_Check,
|
|
"__gnat_rcheck_CE_Discriminant_Check");
|
|
pragma Export (C, Rcheck_CE_Divide_By_Zero,
|
|
"__gnat_rcheck_CE_Divide_By_Zero");
|
|
pragma Export (C, Rcheck_CE_Explicit_Raise,
|
|
"__gnat_rcheck_CE_Explicit_Raise");
|
|
pragma Export (C, Rcheck_CE_Index_Check,
|
|
"__gnat_rcheck_CE_Index_Check");
|
|
pragma Export (C, Rcheck_CE_Invalid_Data,
|
|
"__gnat_rcheck_CE_Invalid_Data");
|
|
pragma Export (C, Rcheck_CE_Length_Check,
|
|
"__gnat_rcheck_CE_Length_Check");
|
|
pragma Export (C, Rcheck_CE_Null_Exception_Id,
|
|
"__gnat_rcheck_CE_Null_Exception_Id");
|
|
pragma Export (C, Rcheck_CE_Null_Not_Allowed,
|
|
"__gnat_rcheck_CE_Null_Not_Allowed");
|
|
pragma Export (C, Rcheck_CE_Overflow_Check,
|
|
"__gnat_rcheck_CE_Overflow_Check");
|
|
pragma Export (C, Rcheck_CE_Partition_Check,
|
|
"__gnat_rcheck_CE_Partition_Check");
|
|
pragma Export (C, Rcheck_CE_Range_Check,
|
|
"__gnat_rcheck_CE_Range_Check");
|
|
pragma Export (C, Rcheck_CE_Tag_Check,
|
|
"__gnat_rcheck_CE_Tag_Check");
|
|
pragma Export (C, Rcheck_PE_Access_Before_Elaboration,
|
|
"__gnat_rcheck_PE_Access_Before_Elaboration");
|
|
pragma Export (C, Rcheck_PE_Accessibility_Check,
|
|
"__gnat_rcheck_PE_Accessibility_Check");
|
|
pragma Export (C, Rcheck_PE_Address_Of_Intrinsic,
|
|
"__gnat_rcheck_PE_Address_Of_Intrinsic");
|
|
pragma Export (C, Rcheck_PE_Aliased_Parameters,
|
|
"__gnat_rcheck_PE_Aliased_Parameters");
|
|
pragma Export (C, Rcheck_PE_All_Guards_Closed,
|
|
"__gnat_rcheck_PE_All_Guards_Closed");
|
|
pragma Export (C, Rcheck_PE_Bad_Predicated_Generic_Type,
|
|
"__gnat_rcheck_PE_Bad_Predicated_Generic_Type");
|
|
pragma Export (C, Rcheck_PE_Current_Task_In_Entry_Body,
|
|
"__gnat_rcheck_PE_Current_Task_In_Entry_Body");
|
|
pragma Export (C, Rcheck_PE_Duplicated_Entry_Address,
|
|
"__gnat_rcheck_PE_Duplicated_Entry_Address");
|
|
pragma Export (C, Rcheck_PE_Explicit_Raise,
|
|
"__gnat_rcheck_PE_Explicit_Raise");
|
|
pragma Export (C, Rcheck_PE_Finalize_Raised_Exception,
|
|
"__gnat_rcheck_PE_Finalize_Raised_Exception");
|
|
pragma Export (C, Rcheck_PE_Implicit_Return,
|
|
"__gnat_rcheck_PE_Implicit_Return");
|
|
pragma Export (C, Rcheck_PE_Misaligned_Address_Value,
|
|
"__gnat_rcheck_PE_Misaligned_Address_Value");
|
|
pragma Export (C, Rcheck_PE_Missing_Return,
|
|
"__gnat_rcheck_PE_Missing_Return");
|
|
pragma Export (C, Rcheck_PE_Non_Transportable_Actual,
|
|
"__gnat_rcheck_PE_Non_Transportable_Actual");
|
|
pragma Export (C, Rcheck_PE_Overlaid_Controlled_Object,
|
|
"__gnat_rcheck_PE_Overlaid_Controlled_Object");
|
|
pragma Export (C, Rcheck_PE_Potentially_Blocking_Operation,
|
|
"__gnat_rcheck_PE_Potentially_Blocking_Operation");
|
|
pragma Export (C, Rcheck_PE_Stream_Operation_Not_Allowed,
|
|
"__gnat_rcheck_PE_Stream_Operation_Not_Allowed");
|
|
pragma Export (C, Rcheck_PE_Stubbed_Subprogram_Called,
|
|
"__gnat_rcheck_PE_Stubbed_Subprogram_Called");
|
|
pragma Export (C, Rcheck_PE_Unchecked_Union_Restriction,
|
|
"__gnat_rcheck_PE_Unchecked_Union_Restriction");
|
|
pragma Export (C, Rcheck_SE_Empty_Storage_Pool,
|
|
"__gnat_rcheck_SE_Empty_Storage_Pool");
|
|
pragma Export (C, Rcheck_SE_Explicit_Raise,
|
|
"__gnat_rcheck_SE_Explicit_Raise");
|
|
pragma Export (C, Rcheck_SE_Infinite_Recursion,
|
|
"__gnat_rcheck_SE_Infinite_Recursion");
|
|
pragma Export (C, Rcheck_SE_Object_Too_Large,
|
|
"__gnat_rcheck_SE_Object_Too_Large");
|
|
|
|
-- None of these procedures ever returns (they raise an exception). By
|
|
-- using pragma No_Return, we ensure that any junk code after the call,
|
|
-- such as normal return epilogue stuff, can be eliminated).
|
|
|
|
pragma No_Return (Rcheck_CE_Access_Check);
|
|
pragma No_Return (Rcheck_CE_Null_Access_Parameter);
|
|
pragma No_Return (Rcheck_CE_Discriminant_Check);
|
|
pragma No_Return (Rcheck_CE_Divide_By_Zero);
|
|
pragma No_Return (Rcheck_CE_Explicit_Raise);
|
|
pragma No_Return (Rcheck_CE_Index_Check);
|
|
pragma No_Return (Rcheck_CE_Invalid_Data);
|
|
pragma No_Return (Rcheck_CE_Length_Check);
|
|
pragma No_Return (Rcheck_CE_Null_Exception_Id);
|
|
pragma No_Return (Rcheck_CE_Null_Not_Allowed);
|
|
pragma No_Return (Rcheck_CE_Overflow_Check);
|
|
pragma No_Return (Rcheck_CE_Partition_Check);
|
|
pragma No_Return (Rcheck_CE_Range_Check);
|
|
pragma No_Return (Rcheck_CE_Tag_Check);
|
|
pragma No_Return (Rcheck_PE_Access_Before_Elaboration);
|
|
pragma No_Return (Rcheck_PE_Accessibility_Check);
|
|
pragma No_Return (Rcheck_PE_Address_Of_Intrinsic);
|
|
pragma No_Return (Rcheck_PE_Aliased_Parameters);
|
|
pragma No_Return (Rcheck_PE_All_Guards_Closed);
|
|
pragma No_Return (Rcheck_PE_Bad_Predicated_Generic_Type);
|
|
pragma No_Return (Rcheck_PE_Current_Task_In_Entry_Body);
|
|
pragma No_Return (Rcheck_PE_Duplicated_Entry_Address);
|
|
pragma No_Return (Rcheck_PE_Explicit_Raise);
|
|
pragma No_Return (Rcheck_PE_Implicit_Return);
|
|
pragma No_Return (Rcheck_PE_Misaligned_Address_Value);
|
|
pragma No_Return (Rcheck_PE_Missing_Return);
|
|
pragma No_Return (Rcheck_PE_Overlaid_Controlled_Object);
|
|
pragma No_Return (Rcheck_PE_Non_Transportable_Actual);
|
|
pragma No_Return (Rcheck_PE_Potentially_Blocking_Operation);
|
|
pragma No_Return (Rcheck_PE_Stream_Operation_Not_Allowed);
|
|
pragma No_Return (Rcheck_PE_Stubbed_Subprogram_Called);
|
|
pragma No_Return (Rcheck_PE_Unchecked_Union_Restriction);
|
|
pragma No_Return (Rcheck_PE_Finalize_Raised_Exception);
|
|
pragma No_Return (Rcheck_SE_Empty_Storage_Pool);
|
|
pragma No_Return (Rcheck_SE_Explicit_Raise);
|
|
pragma No_Return (Rcheck_SE_Infinite_Recursion);
|
|
pragma No_Return (Rcheck_SE_Object_Too_Large);
|
|
|
|
-- For compatibility with previous version of GNAT, to preserve bootstrap
|
|
|
|
procedure Rcheck_00 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_01 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_02 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_03 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_04 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_05 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_06 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_07 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_08 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_09 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_10 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_11 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_12 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_13 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_14 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_15 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_16 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_17 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_18 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_19 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_20 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_21 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_22 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_23 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_24 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_25 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_26 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_27 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_28 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_29 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_30 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_31 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_32 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_33 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_34 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_35 (File : System.Address; Line : Integer);
|
|
procedure Rcheck_36 (File : System.Address; Line : Integer);
|
|
|
|
pragma Export (C, Rcheck_00, "__gnat_rcheck_00");
|
|
pragma Export (C, Rcheck_01, "__gnat_rcheck_01");
|
|
pragma Export (C, Rcheck_02, "__gnat_rcheck_02");
|
|
pragma Export (C, Rcheck_03, "__gnat_rcheck_03");
|
|
pragma Export (C, Rcheck_04, "__gnat_rcheck_04");
|
|
pragma Export (C, Rcheck_05, "__gnat_rcheck_05");
|
|
pragma Export (C, Rcheck_06, "__gnat_rcheck_06");
|
|
pragma Export (C, Rcheck_07, "__gnat_rcheck_07");
|
|
pragma Export (C, Rcheck_08, "__gnat_rcheck_08");
|
|
pragma Export (C, Rcheck_09, "__gnat_rcheck_09");
|
|
pragma Export (C, Rcheck_10, "__gnat_rcheck_10");
|
|
pragma Export (C, Rcheck_11, "__gnat_rcheck_11");
|
|
pragma Export (C, Rcheck_12, "__gnat_rcheck_12");
|
|
pragma Export (C, Rcheck_13, "__gnat_rcheck_13");
|
|
pragma Export (C, Rcheck_14, "__gnat_rcheck_14");
|
|
pragma Export (C, Rcheck_15, "__gnat_rcheck_15");
|
|
pragma Export (C, Rcheck_16, "__gnat_rcheck_16");
|
|
pragma Export (C, Rcheck_17, "__gnat_rcheck_17");
|
|
pragma Export (C, Rcheck_18, "__gnat_rcheck_18");
|
|
pragma Export (C, Rcheck_19, "__gnat_rcheck_19");
|
|
pragma Export (C, Rcheck_20, "__gnat_rcheck_20");
|
|
pragma Export (C, Rcheck_21, "__gnat_rcheck_21");
|
|
pragma Export (C, Rcheck_22, "__gnat_rcheck_22");
|
|
pragma Export (C, Rcheck_23, "__gnat_rcheck_23");
|
|
pragma Export (C, Rcheck_24, "__gnat_rcheck_24");
|
|
pragma Export (C, Rcheck_25, "__gnat_rcheck_25");
|
|
pragma Export (C, Rcheck_26, "__gnat_rcheck_26");
|
|
pragma Export (C, Rcheck_27, "__gnat_rcheck_27");
|
|
pragma Export (C, Rcheck_28, "__gnat_rcheck_28");
|
|
pragma Export (C, Rcheck_29, "__gnat_rcheck_29");
|
|
pragma Export (C, Rcheck_30, "__gnat_rcheck_30");
|
|
pragma Export (C, Rcheck_31, "__gnat_rcheck_31");
|
|
pragma Export (C, Rcheck_32, "__gnat_rcheck_32");
|
|
pragma Export (C, Rcheck_33, "__gnat_rcheck_33");
|
|
pragma Export (C, Rcheck_34, "__gnat_rcheck_34");
|
|
pragma Export (C, Rcheck_35, "__gnat_rcheck_35");
|
|
pragma Export (C, Rcheck_36, "__gnat_rcheck_36");
|
|
|
|
-- None of these procedures ever returns (they raise an exception). By
|
|
-- using pragma No_Return, we ensure that any junk code after the call,
|
|
-- such as normal return epilogue stuff, can be eliminated).
|
|
|
|
pragma No_Return (Rcheck_00);
|
|
pragma No_Return (Rcheck_01);
|
|
pragma No_Return (Rcheck_02);
|
|
pragma No_Return (Rcheck_03);
|
|
pragma No_Return (Rcheck_04);
|
|
pragma No_Return (Rcheck_05);
|
|
pragma No_Return (Rcheck_06);
|
|
pragma No_Return (Rcheck_07);
|
|
pragma No_Return (Rcheck_08);
|
|
pragma No_Return (Rcheck_09);
|
|
pragma No_Return (Rcheck_10);
|
|
pragma No_Return (Rcheck_11);
|
|
pragma No_Return (Rcheck_12);
|
|
pragma No_Return (Rcheck_13);
|
|
pragma No_Return (Rcheck_14);
|
|
pragma No_Return (Rcheck_15);
|
|
pragma No_Return (Rcheck_16);
|
|
pragma No_Return (Rcheck_17);
|
|
pragma No_Return (Rcheck_18);
|
|
pragma No_Return (Rcheck_19);
|
|
pragma No_Return (Rcheck_20);
|
|
pragma No_Return (Rcheck_21);
|
|
pragma No_Return (Rcheck_22);
|
|
pragma No_Return (Rcheck_23);
|
|
pragma No_Return (Rcheck_24);
|
|
pragma No_Return (Rcheck_25);
|
|
pragma No_Return (Rcheck_26);
|
|
pragma No_Return (Rcheck_27);
|
|
pragma No_Return (Rcheck_28);
|
|
pragma No_Return (Rcheck_29);
|
|
pragma No_Return (Rcheck_30);
|
|
pragma No_Return (Rcheck_32);
|
|
pragma No_Return (Rcheck_33);
|
|
pragma No_Return (Rcheck_34);
|
|
pragma No_Return (Rcheck_35);
|
|
pragma No_Return (Rcheck_36);
|
|
|
|
---------------------------------------------
|
|
-- Reason Strings for Run-Time Check Calls --
|
|
---------------------------------------------
|
|
|
|
-- These strings are null-terminated and are used by Rcheck_nn. The
|
|
-- strings correspond to the definitions for Types.RT_Exception_Code.
|
|
|
|
use ASCII;
|
|
|
|
Rmsg_00 : constant String := "access check failed" & NUL;
|
|
Rmsg_01 : constant String := "access parameter is null" & NUL;
|
|
Rmsg_02 : constant String := "discriminant check failed" & NUL;
|
|
Rmsg_03 : constant String := "divide by zero" & NUL;
|
|
Rmsg_04 : constant String := "explicit raise" & NUL;
|
|
Rmsg_05 : constant String := "index check failed" & NUL;
|
|
Rmsg_06 : constant String := "invalid data" & NUL;
|
|
Rmsg_07 : constant String := "length check failed" & NUL;
|
|
Rmsg_08 : constant String := "null Exception_Id" & NUL;
|
|
Rmsg_09 : constant String := "null-exclusion check failed" & NUL;
|
|
Rmsg_10 : constant String := "overflow check failed" & NUL;
|
|
Rmsg_11 : constant String := "partition check failed" & NUL;
|
|
Rmsg_12 : constant String := "range check failed" & NUL;
|
|
Rmsg_13 : constant String := "tag check failed" & NUL;
|
|
Rmsg_14 : constant String := "access before elaboration" & NUL;
|
|
Rmsg_15 : constant String := "accessibility check failed" & NUL;
|
|
Rmsg_16 : constant String := "attempt to take address of" &
|
|
" intrinsic subprogram" & NUL;
|
|
Rmsg_17 : constant String := "aliased parameters" & NUL;
|
|
Rmsg_18 : constant String := "all guards closed" & NUL;
|
|
Rmsg_19 : constant String := "improper use of generic subtype" &
|
|
" with predicate" & NUL;
|
|
Rmsg_20 : constant String := "Current_Task referenced in entry" &
|
|
" body" & NUL;
|
|
Rmsg_21 : constant String := "duplicated entry address" & NUL;
|
|
Rmsg_22 : constant String := "explicit raise" & NUL;
|
|
Rmsg_23 : constant String := "finalize/adjust raised exception" & NUL;
|
|
Rmsg_24 : constant String := "implicit return with No_Return" & NUL;
|
|
Rmsg_25 : constant String := "misaligned address value" & NUL;
|
|
Rmsg_26 : constant String := "missing return" & NUL;
|
|
Rmsg_27 : constant String := "overlaid controlled object" & NUL;
|
|
Rmsg_28 : constant String := "potentially blocking operation" & NUL;
|
|
Rmsg_29 : constant String := "stubbed subprogram called" & NUL;
|
|
Rmsg_30 : constant String := "unchecked union restriction" & NUL;
|
|
Rmsg_31 : constant String := "actual/returned class-wide" &
|
|
" value not transportable" & NUL;
|
|
Rmsg_32 : constant String := "empty storage pool" & NUL;
|
|
Rmsg_33 : constant String := "explicit raise" & NUL;
|
|
Rmsg_34 : constant String := "infinite recursion" & NUL;
|
|
Rmsg_35 : constant String := "object too large" & NUL;
|
|
Rmsg_36 : constant String := "stream operation not allowed" & NUL;
|
|
|
|
-----------------------
|
|
-- Polling Interface --
|
|
-----------------------
|
|
|
|
type Unsigned is mod 2 ** 32;
|
|
|
|
Counter : Unsigned := 0;
|
|
pragma Warnings (Off, Counter);
|
|
-- This counter is provided for convenience. It can be used in Poll to
|
|
-- perform periodic but not systematic operations.
|
|
|
|
procedure Poll is separate;
|
|
-- The actual polling routine is separate, so that it can easily be
|
|
-- replaced with a target dependent version.
|
|
|
|
-------------------
|
|
-- EId_To_String --
|
|
-------------------
|
|
|
|
function EId_To_String (X : Exception_Id) return String
|
|
renames Stream_Attributes.EId_To_String;
|
|
|
|
------------------
|
|
-- EO_To_String --
|
|
------------------
|
|
|
|
-- We use the null string to represent the null occurrence, otherwise we
|
|
-- output the Untailored_Exception_Information string for the occurrence.
|
|
|
|
function EO_To_String (X : Exception_Occurrence) return String
|
|
renames Stream_Attributes.EO_To_String;
|
|
|
|
------------------------
|
|
-- Exception_Identity --
|
|
------------------------
|
|
|
|
function Exception_Identity
|
|
(X : Exception_Occurrence) return Exception_Id
|
|
is
|
|
begin
|
|
-- Note that the following test used to be here for the original Ada 95
|
|
-- semantics, but these were modified by AI-241 to require returning
|
|
-- Null_Id instead of raising Constraint_Error.
|
|
|
|
-- if X.Id = Null_Id then
|
|
-- raise Constraint_Error;
|
|
-- end if;
|
|
|
|
return X.Id;
|
|
end Exception_Identity;
|
|
|
|
---------------------------
|
|
-- Exception_Information --
|
|
---------------------------
|
|
|
|
function Exception_Information (X : Exception_Occurrence) return String is
|
|
begin
|
|
if X.Id = Null_Id then
|
|
raise Constraint_Error;
|
|
else
|
|
return Exception_Data.Exception_Information (X);
|
|
end if;
|
|
end Exception_Information;
|
|
|
|
-----------------------
|
|
-- Exception_Message --
|
|
-----------------------
|
|
|
|
function Exception_Message (X : Exception_Occurrence) return String is
|
|
begin
|
|
if X.Id = Null_Id then
|
|
raise Constraint_Error;
|
|
end if;
|
|
|
|
return X.Msg (1 .. X.Msg_Length);
|
|
end Exception_Message;
|
|
|
|
--------------------
|
|
-- Exception_Name --
|
|
--------------------
|
|
|
|
function Exception_Name (Id : Exception_Id) return String is
|
|
begin
|
|
if Id = null then
|
|
raise Constraint_Error;
|
|
end if;
|
|
|
|
return To_Ptr (Id.Full_Name) (1 .. Id.Name_Length - 1);
|
|
end Exception_Name;
|
|
|
|
function Exception_Name (X : Exception_Occurrence) return String is
|
|
begin
|
|
return Exception_Name (X.Id);
|
|
end Exception_Name;
|
|
|
|
---------------------------
|
|
-- Exception_Name_Simple --
|
|
---------------------------
|
|
|
|
function Exception_Name_Simple (X : Exception_Occurrence) return String is
|
|
Name : constant String := Exception_Name (X);
|
|
P : Natural;
|
|
|
|
begin
|
|
P := Name'Length;
|
|
while P > 1 loop
|
|
exit when Name (P - 1) = '.';
|
|
P := P - 1;
|
|
end loop;
|
|
|
|
-- Return result making sure lower bound is 1
|
|
|
|
declare
|
|
subtype Rname is String (1 .. Name'Length - P + 1);
|
|
begin
|
|
return Rname (Name (P .. Name'Length));
|
|
end;
|
|
end Exception_Name_Simple;
|
|
|
|
--------------------
|
|
-- Exception_Data --
|
|
--------------------
|
|
|
|
package body Exception_Data is separate;
|
|
-- This package can be easily dummied out if we do not want the basic
|
|
-- support for exception messages (such as in Ada 83).
|
|
|
|
----------------------
|
|
-- Exception_Traces --
|
|
----------------------
|
|
|
|
package body Exception_Traces is separate;
|
|
-- Depending on the underlying support for IO the implementation will
|
|
-- differ. Moreover we would like to dummy out this package in case we do
|
|
-- not want any exception tracing support. This is why this package is
|
|
-- separated.
|
|
|
|
-----------------------
|
|
-- Stream Attributes --
|
|
-----------------------
|
|
|
|
package body Stream_Attributes is separate;
|
|
-- This package can be easily dummied out if we do not want the
|
|
-- support for streaming Exception_Ids and Exception_Occurrences.
|
|
|
|
-----------------------------
|
|
-- Process_Raise_Exception --
|
|
-----------------------------
|
|
|
|
procedure Process_Raise_Exception (E : Exception_Id) is
|
|
pragma Inspection_Point (E);
|
|
-- This is so the debugger can reliably inspect the parameter
|
|
|
|
Jumpbuf_Ptr : constant Address := Get_Jmpbuf_Address.all;
|
|
Excep : constant EOA := Get_Current_Excep.all;
|
|
|
|
procedure builtin_longjmp (buffer : Address; Flag : Integer);
|
|
pragma No_Return (builtin_longjmp);
|
|
pragma Import (C, builtin_longjmp, "_gnat_builtin_longjmp");
|
|
|
|
begin
|
|
-- WARNING: There should be no exception handler for this body because
|
|
-- this would cause gigi to prepend a setup for a new jmpbuf to the
|
|
-- sequence of statements in case of built-in sjljl. We would then
|
|
-- always get this new buf in Jumpbuf_Ptr instead of the one for the
|
|
-- exception we are handling, which would completely break the whole
|
|
-- design of this procedure.
|
|
|
|
-- If the jump buffer pointer is non-null, transfer control using it.
|
|
-- Otherwise announce an unhandled exception (note that this means that
|
|
-- we have no finalizations to do other than at the outer level).
|
|
-- Perform the necessary notification tasks in both cases.
|
|
|
|
if Jumpbuf_Ptr /= Null_Address then
|
|
if not Excep.Exception_Raised then
|
|
Excep.Exception_Raised := True;
|
|
Exception_Traces.Notify_Handled_Exception (Excep);
|
|
end if;
|
|
|
|
builtin_longjmp (Jumpbuf_Ptr, 1);
|
|
|
|
else
|
|
Exception_Traces.Notify_Unhandled_Exception (Excep);
|
|
Exception_Traces.Unhandled_Exception_Terminate (Excep);
|
|
end if;
|
|
end Process_Raise_Exception;
|
|
|
|
----------------------------
|
|
-- Raise_Constraint_Error --
|
|
----------------------------
|
|
|
|
procedure Raise_Constraint_Error
|
|
(File : System.Address;
|
|
Line : Integer)
|
|
is
|
|
begin
|
|
Raise_With_Location_And_Msg
|
|
(Constraint_Error_Def'Access, File, Line);
|
|
end Raise_Constraint_Error;
|
|
|
|
--------------------------------
|
|
-- Raise_Constraint_Error_Msg --
|
|
--------------------------------
|
|
|
|
procedure Raise_Constraint_Error_Msg
|
|
(File : System.Address;
|
|
Line : Integer;
|
|
Msg : System.Address)
|
|
is
|
|
begin
|
|
Raise_With_Location_And_Msg
|
|
(Constraint_Error_Def'Access, File, Line, Msg);
|
|
end Raise_Constraint_Error_Msg;
|
|
|
|
-------------------------
|
|
-- Raise_Current_Excep --
|
|
-------------------------
|
|
|
|
procedure Raise_Current_Excep (E : Exception_Id) is
|
|
|
|
pragma Inspection_Point (E);
|
|
-- This is so the debugger can reliably inspect the parameter when
|
|
-- inserting a breakpoint at the start of this procedure.
|
|
|
|
Id : Exception_Id := E;
|
|
pragma Volatile (Id);
|
|
pragma Warnings (Off, Id);
|
|
-- In order to provide support for breakpoints on unhandled exceptions,
|
|
-- the debugger will also need to be able to inspect the value of E from
|
|
-- another (inner) frame. So we need to make sure that if E is passed in
|
|
-- a register, its value is also spilled on stack. For this, we store
|
|
-- the parameter value in a local variable, and add a pragma Volatile to
|
|
-- make sure it is spilled. The pragma Warnings (Off) is needed because
|
|
-- the compiler knows that Id is not referenced and that this use of
|
|
-- pragma Volatile is peculiar.
|
|
|
|
begin
|
|
Debug_Raise_Exception (E => SSL.Exception_Data_Ptr (E), Message => "");
|
|
Process_Raise_Exception (E);
|
|
end Raise_Current_Excep;
|
|
|
|
---------------------
|
|
-- Raise_Exception --
|
|
---------------------
|
|
|
|
procedure Raise_Exception
|
|
(E : Exception_Id;
|
|
Message : String := "")
|
|
is
|
|
EF : Exception_Id := E;
|
|
Excep : constant EOA := Get_Current_Excep.all;
|
|
begin
|
|
-- Raise CE if E = Null_ID (AI-446)
|
|
|
|
if E = null then
|
|
EF := Constraint_Error'Identity;
|
|
end if;
|
|
|
|
-- Go ahead and raise appropriate exception
|
|
|
|
Exception_Data.Set_Exception_Msg (Excep, EF, Message);
|
|
Abort_Defer.all;
|
|
Raise_Current_Excep (EF);
|
|
end Raise_Exception;
|
|
|
|
----------------------------
|
|
-- Raise_Exception_Always --
|
|
----------------------------
|
|
|
|
procedure Raise_Exception_Always
|
|
(E : Exception_Id;
|
|
Message : String := "")
|
|
is
|
|
Excep : constant EOA := Get_Current_Excep.all;
|
|
begin
|
|
Exception_Data.Set_Exception_Msg (Excep, E, Message);
|
|
Abort_Defer.all;
|
|
Raise_Current_Excep (E);
|
|
end Raise_Exception_Always;
|
|
|
|
------------------------------
|
|
-- Raise_Exception_No_Defer --
|
|
------------------------------
|
|
|
|
procedure Raise_Exception_No_Defer
|
|
(E : Exception_Id;
|
|
Message : String := "")
|
|
is
|
|
Excep : constant EOA := Get_Current_Excep.all;
|
|
begin
|
|
Exception_Data.Set_Exception_Msg (Excep, E, Message);
|
|
|
|
-- Do not call Abort_Defer.all, as specified by the spec
|
|
|
|
Raise_Current_Excep (E);
|
|
end Raise_Exception_No_Defer;
|
|
|
|
-------------------------------------
|
|
-- Raise_From_Controlled_Operation --
|
|
-------------------------------------
|
|
|
|
procedure Raise_From_Controlled_Operation
|
|
(X : Ada.Exceptions.Exception_Occurrence)
|
|
is
|
|
Prefix : constant String := "adjust/finalize raised ";
|
|
Orig_Msg : constant String := Exception_Message (X);
|
|
Orig_Prefix_Length : constant Natural :=
|
|
Integer'Min (Prefix'Length, Orig_Msg'Length);
|
|
Orig_Prefix : String renames Orig_Msg
|
|
(Orig_Msg'First .. Orig_Msg'First + Orig_Prefix_Length - 1);
|
|
begin
|
|
-- Message already has proper prefix, just re-reraise
|
|
|
|
if Orig_Prefix = Prefix then
|
|
Raise_Exception_No_Defer
|
|
(E => Program_Error'Identity,
|
|
Message => Orig_Msg);
|
|
|
|
else
|
|
declare
|
|
New_Msg : constant String := Prefix & Exception_Name (X);
|
|
|
|
begin
|
|
-- No message present, just provide our own
|
|
|
|
if Orig_Msg = "" then
|
|
Raise_Exception_No_Defer
|
|
(E => Program_Error'Identity,
|
|
Message => New_Msg);
|
|
|
|
-- Message present, add informational prefix
|
|
|
|
else
|
|
Raise_Exception_No_Defer
|
|
(E => Program_Error'Identity,
|
|
Message => New_Msg & ": " & Orig_Msg);
|
|
end if;
|
|
end;
|
|
end if;
|
|
end Raise_From_Controlled_Operation;
|
|
|
|
-------------------------------
|
|
-- Raise_From_Signal_Handler --
|
|
-------------------------------
|
|
|
|
procedure Raise_From_Signal_Handler
|
|
(E : Exception_Id;
|
|
M : System.Address)
|
|
is
|
|
Excep : constant EOA := Get_Current_Excep.all;
|
|
begin
|
|
Exception_Data.Set_Exception_C_Msg (Excep, E, M);
|
|
Abort_Defer.all;
|
|
Process_Raise_Exception (E);
|
|
end Raise_From_Signal_Handler;
|
|
|
|
-------------------------
|
|
-- Raise_Program_Error --
|
|
-------------------------
|
|
|
|
procedure Raise_Program_Error
|
|
(File : System.Address;
|
|
Line : Integer)
|
|
is
|
|
begin
|
|
Raise_With_Location_And_Msg
|
|
(Program_Error_Def'Access, File, Line);
|
|
end Raise_Program_Error;
|
|
|
|
-----------------------------
|
|
-- Raise_Program_Error_Msg --
|
|
-----------------------------
|
|
|
|
procedure Raise_Program_Error_Msg
|
|
(File : System.Address;
|
|
Line : Integer;
|
|
Msg : System.Address)
|
|
is
|
|
begin
|
|
Raise_With_Location_And_Msg
|
|
(Program_Error_Def'Access, File, Line, Msg);
|
|
end Raise_Program_Error_Msg;
|
|
|
|
-------------------------
|
|
-- Raise_Storage_Error --
|
|
-------------------------
|
|
|
|
procedure Raise_Storage_Error
|
|
(File : System.Address;
|
|
Line : Integer)
|
|
is
|
|
begin
|
|
Raise_With_Location_And_Msg
|
|
(Storage_Error_Def'Access, File, Line);
|
|
end Raise_Storage_Error;
|
|
|
|
-----------------------------
|
|
-- Raise_Storage_Error_Msg --
|
|
-----------------------------
|
|
|
|
procedure Raise_Storage_Error_Msg
|
|
(File : System.Address;
|
|
Line : Integer;
|
|
Msg : System.Address)
|
|
is
|
|
begin
|
|
Raise_With_Location_And_Msg
|
|
(Storage_Error_Def'Access, File, Line, Msg);
|
|
end Raise_Storage_Error_Msg;
|
|
|
|
---------------------------------
|
|
-- Raise_With_Location_And_Msg --
|
|
---------------------------------
|
|
|
|
procedure Raise_With_Location_And_Msg
|
|
(E : Exception_Id;
|
|
F : System.Address;
|
|
L : Integer;
|
|
M : System.Address := System.Null_Address)
|
|
is
|
|
Excep : constant EOA := Get_Current_Excep.all;
|
|
begin
|
|
Exception_Data.Set_Exception_C_Msg (Excep, E, F, L, Msg2 => M);
|
|
Abort_Defer.all;
|
|
Raise_Current_Excep (E);
|
|
end Raise_With_Location_And_Msg;
|
|
|
|
--------------------
|
|
-- Raise_With_Msg --
|
|
--------------------
|
|
|
|
procedure Raise_With_Msg (E : Exception_Id) is
|
|
Excep : constant EOA := Get_Current_Excep.all;
|
|
|
|
begin
|
|
Excep.Exception_Raised := False;
|
|
Excep.Id := E;
|
|
Excep.Num_Tracebacks := 0;
|
|
Excep.Pid := Local_Partition_ID;
|
|
Abort_Defer.all;
|
|
Raise_Current_Excep (E);
|
|
end Raise_With_Msg;
|
|
|
|
-----------------------------------------
|
|
-- Calls to Run-Time Check Subprograms --
|
|
-----------------------------------------
|
|
|
|
procedure Rcheck_CE_Access_Check
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Constraint_Error_Msg (File, Line, Rmsg_00'Address);
|
|
end Rcheck_CE_Access_Check;
|
|
|
|
procedure Rcheck_CE_Null_Access_Parameter
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Constraint_Error_Msg (File, Line, Rmsg_01'Address);
|
|
end Rcheck_CE_Null_Access_Parameter;
|
|
|
|
procedure Rcheck_CE_Discriminant_Check
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Constraint_Error_Msg (File, Line, Rmsg_02'Address);
|
|
end Rcheck_CE_Discriminant_Check;
|
|
|
|
procedure Rcheck_CE_Divide_By_Zero
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Constraint_Error_Msg (File, Line, Rmsg_03'Address);
|
|
end Rcheck_CE_Divide_By_Zero;
|
|
|
|
procedure Rcheck_CE_Explicit_Raise
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Constraint_Error_Msg (File, Line, Rmsg_04'Address);
|
|
end Rcheck_CE_Explicit_Raise;
|
|
|
|
procedure Rcheck_CE_Index_Check
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Constraint_Error_Msg (File, Line, Rmsg_05'Address);
|
|
end Rcheck_CE_Index_Check;
|
|
|
|
procedure Rcheck_CE_Invalid_Data
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Constraint_Error_Msg (File, Line, Rmsg_06'Address);
|
|
end Rcheck_CE_Invalid_Data;
|
|
|
|
procedure Rcheck_CE_Length_Check
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Constraint_Error_Msg (File, Line, Rmsg_07'Address);
|
|
end Rcheck_CE_Length_Check;
|
|
|
|
procedure Rcheck_CE_Null_Exception_Id
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Constraint_Error_Msg (File, Line, Rmsg_08'Address);
|
|
end Rcheck_CE_Null_Exception_Id;
|
|
|
|
procedure Rcheck_CE_Null_Not_Allowed
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Constraint_Error_Msg (File, Line, Rmsg_09'Address);
|
|
end Rcheck_CE_Null_Not_Allowed;
|
|
|
|
procedure Rcheck_CE_Overflow_Check
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Constraint_Error_Msg (File, Line, Rmsg_10'Address);
|
|
end Rcheck_CE_Overflow_Check;
|
|
|
|
procedure Rcheck_CE_Partition_Check
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Constraint_Error_Msg (File, Line, Rmsg_11'Address);
|
|
end Rcheck_CE_Partition_Check;
|
|
|
|
procedure Rcheck_CE_Range_Check
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Constraint_Error_Msg (File, Line, Rmsg_12'Address);
|
|
end Rcheck_CE_Range_Check;
|
|
|
|
procedure Rcheck_CE_Tag_Check
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Constraint_Error_Msg (File, Line, Rmsg_13'Address);
|
|
end Rcheck_CE_Tag_Check;
|
|
|
|
procedure Rcheck_PE_Access_Before_Elaboration
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_14'Address);
|
|
end Rcheck_PE_Access_Before_Elaboration;
|
|
|
|
procedure Rcheck_PE_Accessibility_Check
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_15'Address);
|
|
end Rcheck_PE_Accessibility_Check;
|
|
|
|
procedure Rcheck_PE_Address_Of_Intrinsic
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_16'Address);
|
|
end Rcheck_PE_Address_Of_Intrinsic;
|
|
|
|
procedure Rcheck_PE_Aliased_Parameters
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_17'Address);
|
|
end Rcheck_PE_Aliased_Parameters;
|
|
|
|
procedure Rcheck_PE_All_Guards_Closed
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_18'Address);
|
|
end Rcheck_PE_All_Guards_Closed;
|
|
|
|
procedure Rcheck_PE_Bad_Predicated_Generic_Type
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_19'Address);
|
|
end Rcheck_PE_Bad_Predicated_Generic_Type;
|
|
|
|
procedure Rcheck_PE_Current_Task_In_Entry_Body
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_20'Address);
|
|
end Rcheck_PE_Current_Task_In_Entry_Body;
|
|
|
|
procedure Rcheck_PE_Duplicated_Entry_Address
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_21'Address);
|
|
end Rcheck_PE_Duplicated_Entry_Address;
|
|
|
|
procedure Rcheck_PE_Explicit_Raise
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_22'Address);
|
|
end Rcheck_PE_Explicit_Raise;
|
|
|
|
procedure Rcheck_PE_Implicit_Return
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_24'Address);
|
|
end Rcheck_PE_Implicit_Return;
|
|
|
|
procedure Rcheck_PE_Misaligned_Address_Value
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_25'Address);
|
|
end Rcheck_PE_Misaligned_Address_Value;
|
|
|
|
procedure Rcheck_PE_Missing_Return
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_26'Address);
|
|
end Rcheck_PE_Missing_Return;
|
|
|
|
procedure Rcheck_PE_Overlaid_Controlled_Object
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_27'Address);
|
|
end Rcheck_PE_Overlaid_Controlled_Object;
|
|
|
|
procedure Rcheck_PE_Potentially_Blocking_Operation
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_28'Address);
|
|
end Rcheck_PE_Potentially_Blocking_Operation;
|
|
|
|
procedure Rcheck_PE_Stubbed_Subprogram_Called
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_29'Address);
|
|
end Rcheck_PE_Stubbed_Subprogram_Called;
|
|
|
|
procedure Rcheck_PE_Unchecked_Union_Restriction
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_30'Address);
|
|
end Rcheck_PE_Unchecked_Union_Restriction;
|
|
|
|
procedure Rcheck_PE_Non_Transportable_Actual
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_31'Address);
|
|
end Rcheck_PE_Non_Transportable_Actual;
|
|
|
|
procedure Rcheck_SE_Empty_Storage_Pool
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Storage_Error_Msg (File, Line, Rmsg_32'Address);
|
|
end Rcheck_SE_Empty_Storage_Pool;
|
|
|
|
procedure Rcheck_SE_Explicit_Raise
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Storage_Error_Msg (File, Line, Rmsg_33'Address);
|
|
end Rcheck_SE_Explicit_Raise;
|
|
|
|
procedure Rcheck_SE_Infinite_Recursion
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Storage_Error_Msg (File, Line, Rmsg_34'Address);
|
|
end Rcheck_SE_Infinite_Recursion;
|
|
|
|
procedure Rcheck_SE_Object_Too_Large
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Storage_Error_Msg (File, Line, Rmsg_35'Address);
|
|
end Rcheck_SE_Object_Too_Large;
|
|
|
|
procedure Rcheck_PE_Stream_Operation_Not_Allowed
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
begin
|
|
Raise_Program_Error_Msg (File, Line, Rmsg_36'Address);
|
|
end Rcheck_PE_Stream_Operation_Not_Allowed;
|
|
|
|
procedure Rcheck_PE_Finalize_Raised_Exception
|
|
(File : System.Address; Line : Integer)
|
|
is
|
|
E : constant Exception_Id := Program_Error_Def'Access;
|
|
Excep : constant EOA := Get_Current_Excep.all;
|
|
|
|
begin
|
|
-- This is "finalize/adjust raised exception". This subprogram is always
|
|
-- called with abort deferred, unlike all other Rcheck_* subprograms,
|
|
-- itneeds to call Raise_Exception_No_Defer.
|
|
|
|
-- This is consistent with Raise_From_Controlled_Operation
|
|
|
|
Exception_Data.Set_Exception_C_Msg (Excep, E, File, Line, 0,
|
|
Rmsg_23'Address);
|
|
Raise_Current_Excep (E);
|
|
end Rcheck_PE_Finalize_Raised_Exception;
|
|
|
|
procedure Rcheck_00 (File : System.Address; Line : Integer)
|
|
renames Rcheck_CE_Access_Check;
|
|
procedure Rcheck_01 (File : System.Address; Line : Integer)
|
|
renames Rcheck_CE_Null_Access_Parameter;
|
|
procedure Rcheck_02 (File : System.Address; Line : Integer)
|
|
renames Rcheck_CE_Discriminant_Check;
|
|
procedure Rcheck_03 (File : System.Address; Line : Integer)
|
|
renames Rcheck_CE_Divide_By_Zero;
|
|
procedure Rcheck_04 (File : System.Address; Line : Integer)
|
|
renames Rcheck_CE_Explicit_Raise;
|
|
procedure Rcheck_05 (File : System.Address; Line : Integer)
|
|
renames Rcheck_CE_Index_Check;
|
|
procedure Rcheck_06 (File : System.Address; Line : Integer)
|
|
renames Rcheck_CE_Invalid_Data;
|
|
procedure Rcheck_07 (File : System.Address; Line : Integer)
|
|
renames Rcheck_CE_Length_Check;
|
|
procedure Rcheck_08 (File : System.Address; Line : Integer)
|
|
renames Rcheck_CE_Null_Exception_Id;
|
|
procedure Rcheck_09 (File : System.Address; Line : Integer)
|
|
renames Rcheck_CE_Null_Not_Allowed;
|
|
procedure Rcheck_10 (File : System.Address; Line : Integer)
|
|
renames Rcheck_CE_Overflow_Check;
|
|
procedure Rcheck_11 (File : System.Address; Line : Integer)
|
|
renames Rcheck_CE_Partition_Check;
|
|
procedure Rcheck_12 (File : System.Address; Line : Integer)
|
|
renames Rcheck_CE_Range_Check;
|
|
procedure Rcheck_13 (File : System.Address; Line : Integer)
|
|
renames Rcheck_CE_Tag_Check;
|
|
procedure Rcheck_14 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Access_Before_Elaboration;
|
|
procedure Rcheck_15 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Accessibility_Check;
|
|
procedure Rcheck_16 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Address_Of_Intrinsic;
|
|
procedure Rcheck_17 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Aliased_Parameters;
|
|
procedure Rcheck_18 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_All_Guards_Closed;
|
|
procedure Rcheck_19 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Bad_Predicated_Generic_Type;
|
|
procedure Rcheck_20 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Current_Task_In_Entry_Body;
|
|
procedure Rcheck_21 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Duplicated_Entry_Address;
|
|
procedure Rcheck_22 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Explicit_Raise;
|
|
procedure Rcheck_23 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Finalize_Raised_Exception;
|
|
procedure Rcheck_24 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Implicit_Return;
|
|
procedure Rcheck_25 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Misaligned_Address_Value;
|
|
procedure Rcheck_26 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Missing_Return;
|
|
procedure Rcheck_27 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Overlaid_Controlled_Object;
|
|
procedure Rcheck_28 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Potentially_Blocking_Operation;
|
|
procedure Rcheck_29 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Stubbed_Subprogram_Called;
|
|
procedure Rcheck_30 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Unchecked_Union_Restriction;
|
|
procedure Rcheck_31 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Non_Transportable_Actual;
|
|
procedure Rcheck_32 (File : System.Address; Line : Integer)
|
|
renames Rcheck_SE_Empty_Storage_Pool;
|
|
procedure Rcheck_33 (File : System.Address; Line : Integer)
|
|
renames Rcheck_SE_Explicit_Raise;
|
|
procedure Rcheck_34 (File : System.Address; Line : Integer)
|
|
renames Rcheck_SE_Infinite_Recursion;
|
|
procedure Rcheck_35 (File : System.Address; Line : Integer)
|
|
renames Rcheck_SE_Object_Too_Large;
|
|
procedure Rcheck_36 (File : System.Address; Line : Integer)
|
|
renames Rcheck_PE_Stream_Operation_Not_Allowed;
|
|
|
|
-------------
|
|
-- Reraise --
|
|
-------------
|
|
|
|
procedure Reraise is
|
|
Excep : constant EOA := Get_Current_Excep.all;
|
|
|
|
begin
|
|
Abort_Defer.all;
|
|
Raise_Current_Excep (Excep.Id);
|
|
end Reraise;
|
|
|
|
--------------------------------------
|
|
-- Reraise_Library_Exception_If_Any --
|
|
--------------------------------------
|
|
|
|
procedure Reraise_Library_Exception_If_Any is
|
|
LE : Exception_Occurrence;
|
|
begin
|
|
if Library_Exception_Set then
|
|
LE := Library_Exception;
|
|
Raise_From_Controlled_Operation (LE);
|
|
end if;
|
|
end Reraise_Library_Exception_If_Any;
|
|
|
|
------------------------
|
|
-- Reraise_Occurrence --
|
|
------------------------
|
|
|
|
procedure Reraise_Occurrence (X : Exception_Occurrence) is
|
|
begin
|
|
if X.Id /= null then
|
|
Abort_Defer.all;
|
|
Save_Occurrence (Get_Current_Excep.all.all, X);
|
|
Raise_Current_Excep (X.Id);
|
|
end if;
|
|
end Reraise_Occurrence;
|
|
|
|
-------------------------------
|
|
-- Reraise_Occurrence_Always --
|
|
-------------------------------
|
|
|
|
procedure Reraise_Occurrence_Always (X : Exception_Occurrence) is
|
|
begin
|
|
Abort_Defer.all;
|
|
Save_Occurrence (Get_Current_Excep.all.all, X);
|
|
Raise_Current_Excep (X.Id);
|
|
end Reraise_Occurrence_Always;
|
|
|
|
---------------------------------
|
|
-- Reraise_Occurrence_No_Defer --
|
|
---------------------------------
|
|
|
|
procedure Reraise_Occurrence_No_Defer (X : Exception_Occurrence) is
|
|
begin
|
|
Save_Occurrence (Get_Current_Excep.all.all, X);
|
|
Raise_Current_Excep (X.Id);
|
|
end Reraise_Occurrence_No_Defer;
|
|
|
|
---------------------
|
|
-- Save_Occurrence --
|
|
---------------------
|
|
|
|
procedure Save_Occurrence
|
|
(Target : out Exception_Occurrence;
|
|
Source : Exception_Occurrence)
|
|
is
|
|
begin
|
|
Target.Id := Source.Id;
|
|
Target.Msg_Length := Source.Msg_Length;
|
|
Target.Num_Tracebacks := Source.Num_Tracebacks;
|
|
Target.Pid := Source.Pid;
|
|
|
|
Target.Msg (1 .. Target.Msg_Length) :=
|
|
Source.Msg (1 .. Target.Msg_Length);
|
|
|
|
Target.Tracebacks (1 .. Target.Num_Tracebacks) :=
|
|
Source.Tracebacks (1 .. Target.Num_Tracebacks);
|
|
end Save_Occurrence;
|
|
|
|
function Save_Occurrence (Source : Exception_Occurrence) return EOA is
|
|
Target : constant EOA := new Exception_Occurrence;
|
|
begin
|
|
Save_Occurrence (Target.all, Source);
|
|
return Target;
|
|
end Save_Occurrence;
|
|
|
|
-------------------
|
|
-- String_To_EId --
|
|
-------------------
|
|
|
|
function String_To_EId (S : String) return Exception_Id
|
|
renames Stream_Attributes.String_To_EId;
|
|
|
|
------------------
|
|
-- String_To_EO --
|
|
------------------
|
|
|
|
function String_To_EO (S : String) return Exception_Occurrence
|
|
renames Stream_Attributes.String_To_EO;
|
|
|
|
---------------
|
|
-- To_Stderr --
|
|
---------------
|
|
|
|
procedure To_Stderr (C : Character) is
|
|
type int is new Integer;
|
|
|
|
procedure put_char_stderr (C : int);
|
|
pragma Import (C, put_char_stderr, "put_char_stderr");
|
|
|
|
begin
|
|
put_char_stderr (Character'Pos (C));
|
|
end To_Stderr;
|
|
|
|
procedure To_Stderr (S : String) is
|
|
begin
|
|
for J in S'Range loop
|
|
if S (J) /= ASCII.CR then
|
|
To_Stderr (S (J));
|
|
end if;
|
|
end loop;
|
|
end To_Stderr;
|
|
|
|
-------------------------
|
|
-- Transfer_Occurrence --
|
|
-------------------------
|
|
|
|
procedure Transfer_Occurrence
|
|
(Target : Exception_Occurrence_Access;
|
|
Source : Exception_Occurrence)
|
|
is
|
|
begin
|
|
Save_Occurrence (Target.all, Source);
|
|
end Transfer_Occurrence;
|
|
|
|
------------------------
|
|
-- Triggered_By_Abort --
|
|
------------------------
|
|
|
|
function Triggered_By_Abort return Boolean is
|
|
Ex : constant Exception_Occurrence_Access := Get_Current_Excep.all;
|
|
begin
|
|
return Ex /= null
|
|
and then Exception_Identity (Ex.all) = Standard'Abort_Signal'Identity;
|
|
end Triggered_By_Abort;
|
|
|
|
end Ada.Exceptions;
|