ba1cbfb946
2006-10-31 Robert Dewar <dewar@adacore.com>
Cyrille Comar <comar@adacore.com>
Ben Brosgol <brosgol@adacore.com>
* debug.adb: Update flags documentation
* gnat_ugn.texi: Add documentation for new -gnatwq switch
Clean up documentation for several other warning switches
Clarify how task stack size can be specified with various
versions of Windows.
Add note that -gnatVo includes ranges including loops
Add documentation for -gnatL switch
Add note on elaboration warning for initializing variables
Add documentation for new -gnatwt warning switch
Document new form of pragma Warnings (On|Off, string)
Add comment on use of pragma Warnings to control warnings
Add documentation for -gnatjnn switch
Modify section on interfacing with C for VMS 64-bit.
Add doc for -gnatVe/E
Add documentation of new warning flags -gnatww/-gnatwW
Add warnings about address clause overlays to list of warnings
(Exception Handling Control): Document that the option --RTS must be
used consistently for gcc and gnatbind.
Clarify that inlining is not always possible
Update documentation on pragma Unchecked_Union.
* gnat_rm.texi:
Add documentation for new extended version of pragma Obsolescent
Add documentation for implementation defined attribute 'Stub_Type.
Add note on use of Volatile in asm statements
Add documentation on use of pragma Unreferenced in context clause
Document new form of pragma Warnings (On|Off, pattern)
Document pragma Wide_Character_Encoding
Add note that pragma Restrictions (No_Elaboration_Code) is only fully
enforced if code generation is active.
Add section on pragma Suppress to document GNAT specific check
Alignment_Check
Clarify difference between No_Dispatching_Calls & No_Dispatch.
Add documentation for pragma Restrictions (No_Elaboration_Code)
* gnat-style.texi:
Add comments on layout of subprogram local variables in the
presence of nested subprograms.
* ug_words: Resync.
* elists.ads: Minor reformatting
Node returns Node_Or_Entity_Id (doc change only)
* xgnatugn.adb: Replace ACADEMICEDITION with GPLEDITION
* g-arrspl.ads (Create): Update comments.
* sem.ads: Add details on the handling of the scope stack.
* usage.adb: Update documentation.
* validsw.ads, validsw.adb:
Add definition of Validity_Check_Components and implement -gnatVe/E
* vms_data.ads: Add missing VMS qualifiers.
* s-addope.ads: Add documentation on overflow and divide by zero
From-SVN: r118328
243 lines
8.1 KiB
Ada
243 lines
8.1 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- V A L I D S W --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 2001-2006, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 2, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING. If not, write --
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-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
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-- Boston, MA 02110-1301, USA. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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with Opt; use Opt;
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package body Validsw is
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----------------------------------
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-- Reset_Validity_Check_Options --
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----------------------------------
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procedure Reset_Validity_Check_Options is
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begin
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Validity_Check_Components := False;
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Validity_Check_Copies := False;
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Validity_Check_Default := True;
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Validity_Check_Floating_Point := False;
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Validity_Check_In_Out_Params := False;
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Validity_Check_In_Params := False;
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Validity_Check_Operands := False;
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Validity_Check_Returns := False;
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Validity_Check_Subscripts := False;
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Validity_Check_Tests := False;
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end Reset_Validity_Check_Options;
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---------------------------------
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-- Save_Validity_Check_Options --
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---------------------------------
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procedure Save_Validity_Check_Options
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(Options : out Validity_Check_Options)
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is
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P : Natural := 0;
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procedure Add (C : Character; S : Boolean);
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-- Add given character C to string if switch S is true
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procedure Add (C : Character; S : Boolean) is
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begin
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if S then
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P := P + 1;
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Options (P) := C;
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end if;
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end Add;
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-- Start of processing for Save_Validity_Check_Options
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begin
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for K in Options'Range loop
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Options (K) := ' ';
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end loop;
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Add ('n', not Validity_Check_Default);
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Add ('c', Validity_Check_Copies);
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Add ('e', Validity_Check_Components);
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Add ('f', Validity_Check_Floating_Point);
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Add ('i', Validity_Check_In_Params);
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Add ('m', Validity_Check_In_Out_Params);
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Add ('o', Validity_Check_Operands);
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Add ('r', Validity_Check_Returns);
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Add ('s', Validity_Check_Subscripts);
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Add ('t', Validity_Check_Tests);
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end Save_Validity_Check_Options;
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----------------------------------------
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-- Set_Default_Validity_Check_Options --
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----------------------------------------
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procedure Set_Default_Validity_Check_Options is
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begin
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Reset_Validity_Check_Options;
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Set_Validity_Check_Options ("d");
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end Set_Default_Validity_Check_Options;
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--------------------------------
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-- Set_Validity_Check_Options --
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--------------------------------
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-- Version used when no error checking is required
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procedure Set_Validity_Check_Options (Options : String) is
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OK : Boolean;
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EC : Natural;
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begin
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Set_Validity_Check_Options (Options, OK, EC);
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end Set_Validity_Check_Options;
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-- Normal version with error checking
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procedure Set_Validity_Check_Options
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(Options : String;
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OK : out Boolean;
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Err_Col : out Natural)
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is
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J : Natural;
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C : Character;
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begin
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J := Options'First;
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while J <= Options'Last loop
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C := Options (J);
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J := J + 1;
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-- Turn on validity checking (gets turned off by Vn)
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Validity_Checks_On := True;
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case C is
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when 'c' =>
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Validity_Check_Copies := True;
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when 'd' =>
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Validity_Check_Default := True;
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when 'e' =>
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Validity_Check_Components := True;
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when 'f' =>
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Validity_Check_Floating_Point := True;
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when 'i' =>
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Validity_Check_In_Params := True;
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when 'm' =>
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Validity_Check_In_Out_Params := True;
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when 'o' =>
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Validity_Check_Operands := True;
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when 'p' =>
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Validity_Check_Parameters := True;
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when 'r' =>
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Validity_Check_Returns := True;
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when 's' =>
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Validity_Check_Subscripts := True;
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when 't' =>
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Validity_Check_Tests := True;
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when 'C' =>
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Validity_Check_Copies := False;
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when 'D' =>
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Validity_Check_Default := False;
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when 'E' =>
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Validity_Check_Components := False;
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when 'I' =>
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Validity_Check_In_Params := False;
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when 'F' =>
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Validity_Check_Floating_Point := False;
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when 'M' =>
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Validity_Check_In_Out_Params := False;
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when 'O' =>
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Validity_Check_Operands := False;
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when 'P' =>
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Validity_Check_Parameters := False;
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when 'R' =>
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Validity_Check_Returns := False;
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when 'S' =>
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Validity_Check_Subscripts := False;
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when 'T' =>
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Validity_Check_Tests := False;
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when 'a' =>
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Validity_Check_Components := True;
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Validity_Check_Copies := True;
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Validity_Check_Default := True;
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Validity_Check_Floating_Point := True;
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Validity_Check_In_Out_Params := True;
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Validity_Check_In_Params := True;
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Validity_Check_Operands := True;
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Validity_Check_Parameters := True;
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Validity_Check_Returns := True;
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Validity_Check_Subscripts := True;
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Validity_Check_Tests := True;
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when 'n' =>
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Validity_Check_Components := False;
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Validity_Check_Copies := False;
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Validity_Check_Default := False;
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Validity_Check_Floating_Point := False;
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Validity_Check_In_Out_Params := False;
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Validity_Check_In_Params := False;
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Validity_Check_Operands := False;
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Validity_Check_Parameters := False;
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Validity_Check_Returns := False;
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Validity_Check_Subscripts := False;
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Validity_Check_Tests := False;
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Validity_Checks_On := False;
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when ' ' =>
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null;
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when others =>
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OK := False;
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Err_Col := J - 1;
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return;
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end case;
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end loop;
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OK := True;
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Err_Col := Options'Last + 1;
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end Set_Validity_Check_Options;
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end Validsw;
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