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[multiple changes] 

2009-11-30  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Add documentation for attribute Result.

2009-11-30  Arnaud Charlet  <charlet@adacore.com>

	* s-osinte-hpux.ads, s-osinte-aix.ads, s-osinte-solaris-posix.ads,
	s-osinte-tru64.ads, s-osinte-darwin.ads, s-osinte-freebsd.ads
	(Get_Page_Size): Update comment since Get_Page_Size is now required.

2009-11-30  Jerome Lambourg  <lambourg@adacore.com>

	* freeze.adb: Disable Warning on VM targets concerning C Imports, not
	relevant.

2009-11-30  Bob Duff  <duff@adacore.com>

	* sprint.adb (Source_Dump): Minor comment fix.
	(Write_Itype): When writing a string literal subtype, use Expr_Value
	instead of Intval to get the low bound.

2009-11-30  Vincent Celier  <celier@adacore.com>

	* gnatlink.adb (Process_Args): Do not call Executable_Name on arguments
	of switch -o.

2009-11-30  Robert Dewar  <dewar@adacore.com>

	* exp_ch4.adb (Expand_N_Op_And): Implement pragma Short_Circuit_And_Or
	(Expand_N_Op_Or): Implement pragma Short_Circuit_And_Or
	* opt.ads (Short_Circuit_And_Or): New flag
	* par-prag.adb: Add dummy entry for pragma Short_Circuit_And_Or
	* sem_prag.adb: Implement pragma Short_Circuit_And_Or
	* snames.ads-tmpl: Add entries for pragma Short_Circuit_And_Or

From-SVN: r154786
This commit is contained in:
Arnaud Charlet 2009-11-30 12:15:51 +01:00
parent 1c6b661582
commit 6a2afd139d
16 changed files with 128 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
gcc/ada/ChangeLog
View File

@ -1,3 +1,38 @@
2009-11-30 Robert Dewar <dewar@adacore.com>
* gnat_rm.texi: Add documentation for attribute Result.
2009-11-30 Arnaud Charlet <charlet@adacore.com>
* s-osinte-hpux.ads, s-osinte-aix.ads, s-osinte-solaris-posix.ads,
s-osinte-tru64.ads, s-osinte-darwin.ads, s-osinte-freebsd.ads
(Get_Page_Size): Update comment since Get_Page_Size is now required.
2009-11-30 Jerome Lambourg <lambourg@adacore.com>
* freeze.adb: Disable Warning on VM targets concerning C Imports, not
relevant.
2009-11-30 Bob Duff <duff@adacore.com>
* sprint.adb (Source_Dump): Minor comment fix.
(Write_Itype): When writing a string literal subtype, use Expr_Value
instead of Intval to get the low bound.
2009-11-30 Vincent Celier <celier@adacore.com>
* gnatlink.adb (Process_Args): Do not call Executable_Name on arguments
of switch -o.
2009-11-30 Robert Dewar <dewar@adacore.com>
* exp_ch4.adb (Expand_N_Op_And): Implement pragma Short_Circuit_And_Or
(Expand_N_Op_Or): Implement pragma Short_Circuit_And_Or
* opt.ads (Short_Circuit_And_Or): New flag
* par-prag.adb: Add dummy entry for pragma Short_Circuit_And_Or
* sem_prag.adb: Implement pragma Short_Circuit_And_Or
* snames.ads-tmpl: Add entries for pragma Short_Circuit_And_Or
2009-11-30 Arnaud Charlet <charlet@adacore.com>
* s-taprop-posix.adb: Fix casing.

48
gcc/ada/exp_ch4.adb
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@ -5025,10 +5025,26 @@ package body Exp_Ch4 is
Expand_Boolean_Operator (N);
elsif Is_Boolean_Type (Etype (N)) then
Adjust_Condition (Left_Opnd (N));
Adjust_Condition (Right_Opnd (N));
Set_Etype (N, Standard_Boolean);
Adjust_Result_Type (N, Typ);
-- Replace AND by AND THEN if Short_Circuit_And_Or active and the
-- type is standard Boolean (do not mess with AND that uses a non-
-- standard Boolean type, because something strange is going on).
if Short_Circuit_And_Or and then Typ = Standard_Boolean then
Rewrite (N,
Make_And_Then (Sloc (N),
Left_Opnd => Relocate_Node (Left_Opnd (N)),
Right_Opnd => Relocate_Node (Right_Opnd (N))));
Analyze_And_Resolve (N, Typ);
-- Otherwise, adjust conditions
else
Adjust_Condition (Left_Opnd (N));
Adjust_Condition (Right_Opnd (N));
Set_Etype (N, Standard_Boolean);
Adjust_Result_Type (N, Typ);
end if;
end if;
end Expand_N_Op_And;
@ -6913,10 +6929,26 @@ package body Exp_Ch4 is
Expand_Boolean_Operator (N);
elsif Is_Boolean_Type (Etype (N)) then
Adjust_Condition (Left_Opnd (N));
Adjust_Condition (Right_Opnd (N));
Set_Etype (N, Standard_Boolean);
Adjust_Result_Type (N, Typ);
-- Replace OR by OR ELSE if Short_Circuit_And_Or active and the
-- type is standard Boolean (do not mess with AND that uses a non-
-- standard Boolean type, because something strange is going on).
if Short_Circuit_And_Or and then Typ = Standard_Boolean then
Rewrite (N,
Make_Or_Else (Sloc (N),
Left_Opnd => Relocate_Node (Left_Opnd (N)),
Right_Opnd => Relocate_Node (Right_Opnd (N))));
Analyze_And_Resolve (N, Typ);
-- Otherwise, adjust conditions
else
Adjust_Condition (Left_Opnd (N));
Adjust_Condition (Right_Opnd (N));
Set_Etype (N, Standard_Boolean);
Adjust_Result_Type (N, Typ);
end if;
end if;
end Expand_N_Op_Or;

2
gcc/ada/freeze.adb
View File

@ -2554,6 +2554,7 @@ package body Freeze is
and then Convention (F_Type) = Convention_Ada
and then not Has_Warnings_Off (F_Type)
and then not Has_Size_Clause (F_Type)
and then VM_Target = No_VM
then
Error_Msg_N
("& is an 8-bit Ada Boolean?", Formal);
@ -2682,6 +2683,7 @@ package body Freeze is
elsif Root_Type (R_Type) = Standard_Boolean
and then Convention (R_Type) = Convention_Ada
and then VM_Target = No_VM
and then not Has_Warnings_Off (E)
and then not Has_Warnings_Off (R_Type)
and then not Has_Size_Clause (R_Type)

12
gcc/ada/gnat_rm.texi
View File

@ -253,6 +253,7 @@ Implementation Defined Attributes
* Passed_By_Reference::
* Pool_Address::
* Range_Length::
* Result::
* Safe_Emax::
* Safe_Large::
* Small::
@ -5423,6 +5424,7 @@ consideration, you should minimize the use of these attributes.
* Passed_By_Reference::
* Pool_Address::
* Range_Length::
* Result::
* Safe_Emax::
* Safe_Large::
* Small::
@ -6074,6 +6076,16 @@ range). The result is static for static subtypes. @code{Range_Length}
applied to the index subtype of a one dimensional array always gives the
same result as @code{Range} applied to the array itself.
@node Result
@unnumberedsec Result
@findex Result
@noindent
@code{@var{function}'Result} can only be used with in a Postcondition pragma
for a function. The prefix must be the name of the corresponding function. This
is used to refer to the result of the function in the postcondition expression.
For a further discussion of the use of this attribute and examples of its use,
see the description of pragma Postcondition.
@node Safe_Emax
@unnumberedsec Safe_Emax
@cindex Ada 83 attributes

3
gcc/ada/gnatlink.adb
View File

@ -445,8 +445,7 @@ procedure Gnatlink is
Exit_With_Error ("Missing argument for -o");
end if;
Output_File_Name :=
new String'(Executable_Name (Argument (Next_Arg)));
Output_File_Name := new String'(Argument (Next_Arg));
when 'R' =>
Opt.Run_Path_Option := False;

4
gcc/ada/opt.ads
View File

@ -1042,6 +1042,10 @@ package Opt is
-- for GNATBIND and to False when using the -static option. The value of
-- this flag is set by Gnatbind.Scan_Bind_Arg.
Short_Circuit_And_Or : Boolean := False;
-- GNAT
-- Set True if a pragma Short_Circuit_And_Or applies to the current unit.
Sprint_Line_Limit : Nat := 72;
-- Limit values for chopping long lines in Sprint output, can be reset
-- by use of NNN parameter with -gnatG or -gnatD switches.

1
gcc/ada/par-prag.adb
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@ -1171,6 +1171,7 @@ begin
Pragma_Share_Generic |
Pragma_Shared |
Pragma_Shared_Passive |
Pragma_Short_Circuit_And_Or |
Pragma_Storage_Size |
Pragma_Storage_Unit |
Pragma_Static_Elaboration_Desired |

4
gcc/ada/s-osinte-aix.ads
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@ -7,7 +7,7 @@
-- S p e c --
-- --
-- Copyright (C) 1991-1994, Florida State University --
-- Copyright (C) 1995-2008, Free Software Foundation, Inc. --
-- Copyright (C) 1995-2009, Free Software Foundation, Inc. --
-- --
-- GNARL 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- --
@ -310,7 +310,7 @@ package System.OS_Interface is
function Get_Page_Size return size_t;
function Get_Page_Size return Address;
pragma Import (C, Get_Page_Size, "getpagesize");
-- Returns the size of a page, or 0 if this is not relevant on this target
-- Returns the size of a page
PROT_NONE : constant := 0;
PROT_READ : constant := 1;

2
gcc/ada/s-osinte-darwin.ads
View File

@ -294,7 +294,7 @@ package System.OS_Interface is
function Get_Page_Size return size_t;
function Get_Page_Size return System.Address;
pragma Import (C, Get_Page_Size, "getpagesize");
-- Returns the size of a page, or 0 if this is not relevant on this target
-- Returns the size of a page
PROT_NONE : constant := 0;
PROT_READ : constant := 1;

4
gcc/ada/s-osinte-freebsd.ads
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@ -7,7 +7,7 @@
-- S p e c --
-- --
-- Copyright (C) 1991-1994, Florida State University --
-- Copyright (C) 1995-2008, Free Software Foundation, Inc. --
-- Copyright (C) 1995-2009, Free Software Foundation, Inc. --
-- --
-- GNARL 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- --
@ -326,7 +326,7 @@ package System.OS_Interface is
function Get_Page_Size return size_t;
function Get_Page_Size return Address;
pragma Import (C, Get_Page_Size, "getpagesize");
-- returns the size of a page, or 0 if this is not relevant on this target
-- Returns the size of a page
PROT_NONE : constant := 0;
PROT_READ : constant := 1;

4
gcc/ada/s-osinte-hpux.ads
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@ -7,7 +7,7 @@
-- S p e c --
-- --
-- Copyright (C) 1991-1994, Florida State University --
-- Copyright (C) 1995-2008, Free Software Foundation, Inc. --
-- Copyright (C) 1995-2009, Free Software Foundation, Inc. --
-- --
-- GNARL 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- --
@ -300,7 +300,7 @@ package System.OS_Interface is
function Get_Page_Size return size_t;
function Get_Page_Size return Address;
pragma Import (C, Get_Page_Size, "getpagesize");
-- Returns the size of a page, or 0 if this is not relevant on this target
-- Returns the size of a page
PROT_NONE : constant := 0;
PROT_READ : constant := 1;

4
gcc/ada/s-osinte-solaris-posix.ads
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@ -7,7 +7,7 @@
-- S p e c --
-- --
-- Copyright (C) 1991-1994, Florida State University --
-- Copyright (C) 1995-2008, Free Software Foundation, Inc. --
-- Copyright (C) 1995-2009, Free Software Foundation, Inc. --
-- --
-- GNARL 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- --
@ -294,7 +294,7 @@ package System.OS_Interface is
function Get_Page_Size return size_t;
function Get_Page_Size return Address;
pragma Import (C, Get_Page_Size, "getpagesize");
-- Returns the size of a page, or 0 if this is not relevant on this target
-- Returns the size of a page
PROT_NONE : constant := 0;
PROT_READ : constant := 1;

4
gcc/ada/s-osinte-tru64.ads
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@ -7,7 +7,7 @@
-- S p e c --
-- --
-- Copyright (C) 1991-1994, Florida State University --
-- Copyright (C) 1995-2008, Free Software Foundation, Inc. --
-- Copyright (C) 1995-2009, Free Software Foundation, Inc. --
-- --
-- GNARL 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- --
@ -286,7 +286,7 @@ package System.OS_Interface is
function Get_Page_Size return size_t;
function Get_Page_Size return Address;
pragma Import (C, Get_Page_Size, "getpagesize");
-- Returns the size of a page, or 0 if this is not relevant on this target
-- Returns the size of a page
PROT_NONE : constant := 0;
PROT_READ : constant := 1;

17
gcc/ada/sem_prag.adb
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@ -10658,8 +10658,24 @@ package body Sem_Prag is
when Pragma_Reviewable =>
Check_Ada_83_Warning;
Check_Arg_Count (0);
-- Call dummy debugging function rv. This is done to assist front
-- end debugging. By placing a Reviewable pragma in the source
-- program, a breakpoint on rv catches this place in the source,
-- allowing convenient stepping to the point of interest.
rv;
--------------------------
-- Short_Circuit_And_Or --
--------------------------
when Pragma_Short_Circuit_And_Or =>
GNAT_Pragma;
Check_Arg_Count (0);
Check_Valid_Configuration_Pragma;
Short_Circuit_And_Or := True;
-------------------
-- Share_Generic --
-------------------
@ -12522,6 +12538,7 @@ package body Sem_Prag is
Pragma_Restriction_Warnings => -1,
Pragma_Restrictions => -1,
Pragma_Reviewable => -1,
Pragma_Short_Circuit_And_Or => -1,
Pragma_Share_Generic => -1,
Pragma_Shared => -1,
Pragma_Shared_Passive => -1,

2
gcc/ada/snames.ads-tmpl
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@ -383,6 +383,7 @@ package Snames is
Name_Restrictions : constant Name_Id := N + $;
Name_Restriction_Warnings : constant Name_Id := N + $; -- GNAT
Name_Reviewable : constant Name_Id := N + $;
Name_Short_Circuit_And_Or : constant Name_Id := N + $; -- GNAT
Name_Source_File_Name : constant Name_Id := N + $; -- GNAT
Name_Source_File_Name_Project : constant Name_Id := N + $; -- GNAT
Name_Style_Checks : constant Name_Id := N + $; -- GNAT
@ -1454,6 +1455,7 @@ package Snames is
Pragma_Restrictions,
Pragma_Restriction_Warnings,
Pragma_Reviewable,
Pragma_Short_Circuit_And_Or,
Pragma_Source_File_Name,
Pragma_Source_File_Name_Project,
Pragma_Style_Checks,

5
gcc/ada/sprint.adb
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@ -35,6 +35,7 @@ with Nlists; use Nlists;
with Opt; use Opt;
with Output; use Output;
with Rtsfind; use Rtsfind;
with Sem_Eval; use Sem_Eval;
with Sem_Util; use Sem_Util;
with Sinfo; use Sinfo;
with Sinput; use Sinput;
@ -526,7 +527,7 @@ package body Sprint is
Write_Eol;
end Underline;
-- Start of processing for Tree_Dump
-- Start of processing for Source_Dump
begin
Dump_Generated_Only := Debug_Flag_G or
@ -3961,7 +3962,7 @@ package body Sprint is
when E_String_Literal_Subtype =>
declare
LB : constant Uint :=
Intval (String_Literal_Low_Bound (Typ));
Expr_Value (String_Literal_Low_Bound (Typ));
Len : constant Uint :=
String_Literal_Length (Typ);
begin