* s-os_lib.ads (Spawn): Minor documentation clarification,
Success is True for a zero exit status.
2011-09-06 Ed Schonberg <schonberg@adacore.com>
* sem_ch5.adb: Add message for common iterator error.
2011-09-06 Ed Schonberg <schonberg@adacore.com>
* exp_ch3.adb (Build_Initialization_Call): If the target is a
selected component discriminated by a current instance, replace
the constraint with a reference to the target object, regardless
of whether the context is an init_proc.
2011-09-06 Robert Dewar <dewar@adacore.com>
* exp_attr.adb: Descriptor_Size is never static.
2011-09-06 Robert Dewar <dewar@adacore.com>
* gnat_ugn.texi: Add documentation for LSLOC metric in gnatmetric
2011-09-06 Hristian Kirtchev <kirtchev@adacore.com>
* gnat_rm.texi: Clarify that attribute Descriptor_Size is
non-static.
2011-09-06 Ed Schonberg <schonberg@adacore.com>
* sem_res.adb (Resolve): An expression that is the body of an
expression function does not freeze.
2011-09-06 Matthew Heaney <heaney@adacore.com>
* a-csquin.ads, a-cusyqu.adb, a-cbprqu.adb, a-cbsyqu.adb,
a-cuprqu.adb: Changed copyright notice to indicate current
year only.
2011-09-06 Vincent Celier <celier@adacore.com>
* prj.adb: Minor spelling error fix in comment
* sem_res.adb: Minor reformatting
2011-09-06 Pascal Obry <obry@adacore.com>
* sysdep.c (winflush_nt): Removed as not needed anymore.
(winflush_95): Likewise.
(winflush_init): Likewise.
(winflush_function): Likewise.
(getc_immediate_common): Remove call to winflush_function.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178591
138bc75d-0d04-0410-961f-
82ee72b054a4
+2011-09-06 Thomas Quinot <quinot@adacore.com>
+
+ * s-os_lib.ads (Spawn): Minor documentation clarification,
+ Success is True for a zero exit status.
+
+2011-09-06 Ed Schonberg <schonberg@adacore.com>
+
+ * sem_ch5.adb: Add message for common iterator error.
+
+2011-09-06 Ed Schonberg <schonberg@adacore.com>
+
+ * exp_ch3.adb (Build_Initialization_Call): If the target is a
+ selected component discriminated by a current instance, replace
+ the constraint with a reference to the target object, regardless
+ of whether the context is an init_proc.
+
+2011-09-06 Robert Dewar <dewar@adacore.com>
+
+ * exp_attr.adb: Descriptor_Size is never static.
+
+2011-09-06 Robert Dewar <dewar@adacore.com>
+
+ * gnat_ugn.texi: Add documentation for LSLOC metric in gnatmetric
+
+2011-09-06 Hristian Kirtchev <kirtchev@adacore.com>
+
+ * gnat_rm.texi: Clarify that attribute Descriptor_Size is
+ non-static.
+
+2011-09-06 Ed Schonberg <schonberg@adacore.com>
+
+ * sem_res.adb (Resolve): An expression that is the body of an
+ expression function does not freeze.
+
+2011-09-06 Matthew Heaney <heaney@adacore.com>
+
+ * a-csquin.ads, a-cusyqu.adb, a-cbprqu.adb, a-cbsyqu.adb,
+ a-cuprqu.adb: Changed copyright notice to indicate current
+ year only.
+
+2011-09-06 Vincent Celier <celier@adacore.com>
+
+ * prj.adb: Minor spelling error fix in comment
+ * sem_res.adb: Minor reformatting
+
+2011-09-06 Pascal Obry <obry@adacore.com>
+
+ * sysdep.c (winflush_nt): Removed as not needed anymore.
+ (winflush_95): Likewise.
+ (winflush_init): Likewise.
+ (winflush_function): Likewise.
+ (getc_immediate_common): Remove call to winflush_function.
+
2011-09-06 Hristian Kirtchev <kirtchev@adacore.com>
* exp_attr.adb (Expand_N_Attribute_Reference): Rewrite the
-- --
-- B o d y --
-- --
--- Copyright (C) 2004-2011, Free Software Foundation, Inc. --
+-- Copyright (C) 2011, 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- --
-- --
-- B o d y --
-- --
--- Copyright (C) 2004-2011, Free Software Foundation, Inc. --
+-- Copyright (C) 2011, 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- --
-- --
-- S p e c --
-- --
--- Copyright (C) 2004-2011, Free Software Foundation, Inc. --
+-- Copyright (C) 2011, Free Software Foundation, Inc. --
-- --
-- This specification is derived from the Ada Reference Manual for use with --
-- GNAT. The copyright notice above, and the license provisions that follow --
-- --
-- B o d y --
-- --
--- Copyright (C) 2004-2011, Free Software Foundation, Inc. --
+-- Copyright (C) 2011, 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- --
-- --
-- B o d y --
-- --
--- Copyright (C) 2004-2011, Free Software Foundation, Inc. --
+-- Copyright (C) 2011, 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- --
Apply_Universal_Integer_Attribute_Checks (N);
-- For any other type, the descriptor size is 0 because there is no
- -- actual descriptor.
+ -- actual descriptor, but the result is not formally static.
else
Rewrite (N, Make_Integer_Literal (Loc, 0));
Analyze (N);
+ Set_Is_Static_Expression (N, False);
end if;
---------------
Discriminant_Constraint (Full_Type));
end;
- if In_Init_Proc then
+ -- If the target has access discriminants, and is constrained by
+ -- an access to the enclosing construct, i.e. a current instance,
+ -- replace the reference to the type by a reference to the object.
+
+ if Nkind (Arg) = N_Attribute_Reference
+ and then Is_Access_Type (Etype (Arg))
+ and then Is_Entity_Name (Prefix (Arg))
+ and then Is_Type (Entity (Prefix (Arg)))
+ then
+ Arg :=
+ Make_Attribute_Reference (Loc,
+ Prefix => New_Copy (Prefix (Id_Ref)),
+ Attribute_Name => Name_Unrestricted_Access);
+
+ elsif In_Init_Proc then
-- Replace any possible references to the discriminant in the
-- call to the record initialization procedure with references
then
Arg := New_Reference_To (Discriminal (Entity (Arg)), Loc);
- -- Case of access discriminants. We replace the reference
- -- to the type by a reference to the actual object
-
- elsif Nkind (Arg) = N_Attribute_Reference
- and then Is_Access_Type (Etype (Arg))
- and then Is_Entity_Name (Prefix (Arg))
- and then Is_Type (Entity (Prefix (Arg)))
- then
- Arg :=
- Make_Attribute_Reference (Loc,
- Prefix => New_Copy (Prefix (Id_Ref)),
- Attribute_Name => Name_Unrestricted_Access);
-
-- Otherwise make a copy of the default expression. Note that
-- we use the current Sloc for this, because we do not want the
-- call to appear to be at the declaration point. Within the
@cindex Dope vector
@findex Descriptor_Size
@noindent
-Attribute @code{Descriptor_Size} returns the size in bits of the descriptor
-allocated for a type. The result is non-zero only for unconstrained array
-types and the returned value is of type universal integer. In GNAT, an array
-descriptor contains bounds information and is located immediately before the
-first element of the array.
+Non-static attribute @code{Descriptor_Size} returns the size in bits of the
+descriptor allocated for a type. The result is non-zero only for unconstrained
+array types and the returned value is of type universal integer. In GNAT, an
+array descriptor contains bounds information and is located immediately before
+the first element of the array.
@smallexample @c ada
type Unconstr_Array is array (Positive range <>) of Boolean;
@table @emph
@item LSLOC (``Logical Source Lines Of Code'')
-The total number of declarations and the total number of statements
+The total number of declarations and the total number of statements. Note
+that the definition of declarations is the one given in the reference
+manual:
+
+@noindent
+``Each of the following is defined to be a declaration: any basic_declaration;
+an enumeration_literal_specification; a discriminant_specification;
+a component_declaration; a loop_parameter_specification; a
+parameter_specification; a subprogram_body; an entry_declaration;
+an entry_index_specification; a choice_parameter_specification;
+a generic_formal_parameter_declaration.''
+
+This means for example that each enumeration literal adds one to the count,
+as well as each subprogram parameter.
+
+Thus the results from this metric will be significantly greater than might
+be expected from a naive view of counting semicolons.
@item Maximal static nesting level of inner program units
According to
--
-- This function will always set Success to False under VxWorks and other
-- similar operating systems which have no notion of the concept of
- -- dynamically executable file.
+ -- dynamically executable file. Otherwise Success is set True if the exit
+ -- status of the spawned process is zero.
function Spawn
(Program_Name : String;
Entity (Find_Aspect (Typ, Aspect_Iterator_Element)));
else
+ -- For an iteration of the form IN, the name must denote an
+ -- iterator, typically the result of a call to Iterate. Give a
+ -- useful error message when the name is a container by itself.
+
+ if Is_Entity_Name (Original_Node (Name (N)))
+ and then not Is_Iterator (Typ)
+ then
+ Error_Msg_N
+ ("name must be an iterator, not a container", Name (N));
+
+ Error_Msg_NE
+ ("\to iterate directly over a container, write `of &`",
+ Name (N), Original_Node (Name (N)));
+ end if;
+
-- The result type of Iterate function is the classwide type of
-- the interface parent. We need the specific Cursor type defined
-- in the container package.
-- default expression mode (the Freeze_Expression routine tests this
-- flag and only freezes static types if it is set).
- Freeze_Expression (N);
+ -- AI05-177 (Ada2012): Expression functions do not freeze. Only
+ -- their use (in an expanded call) freezes.
+
+ if Ekind (Current_Scope) /= E_Function
+ or else
+ Nkind (Original_Node (Unit_Declaration_Node (Current_Scope))) /=
+ N_Expression_Function
+ then
+ Freeze_Expression (N);
+ end if;
-- Now we can do the expansion
return NULL;
}
-/* This function is needed to fix a bug under Win95/98. Under these platforms
- doing :
- ch1 = getch();
- ch2 = fgetc (stdin);
-
- will put the same character into ch1 and ch2. It seem that the character
- read by getch() is not correctly removed from the buffer. Even a
- fflush(stdin) does not fix the bug. This bug does not appear under Window
- NT. So we have two version of this routine below one for 95/98 and one for
- NT/2000 version of Windows. There is also a special routine (winflushinit)
- that will be called only the first time to check which version of Windows
- we are running running on to set the right routine to use.
-
- This problem occurs when using Text_IO.Get_Line after Text_IO.Get_Immediate
- for example.
-
- Calling FlushConsoleInputBuffer just after getch() fix the bug under
- 95/98. */
-
-#ifdef RTX
-
-static void winflush_nt (void);
-
-/* winflush_function will do nothing since we only have problems with Windows
- 95/98 which are not supported by RTX. */
-
-static void (*winflush_function) (void) = winflush_nt;
-
-static void
-winflush_nt (void)
-{
- /* Does nothing as there is no problem under NT. */
-}
-
-#else /* !RTX */
-
-static void winflush_init (void);
-
-static void winflush_95 (void);
-
-static void winflush_nt (void);
+#ifndef RTX
int __gnat_is_windows_xp (void);
-/* winflusfunction is set first to the winflushinit function which will check
- the OS version 95/98 or NT/2000 */
-
-static void (*winflush_function) (void) = winflush_init;
-
-/* This function does the runtime check of the OS version and then sets
- winflush_function to the appropriate function and then call it. */
-
-static void
-winflush_init (void)
-{
- DWORD dwVersion = GetVersion();
-
- if (dwVersion < 0x80000000) /* Windows NT/2000 */
- winflush_function = winflush_nt;
- else /* Windows 95/98 */
- winflush_function = winflush_95;
-
- (*winflush_function)(); /* Perform the 'flush' */
-
-}
-
-static void
-winflush_95 (void)
-{
- FlushConsoleInputBuffer (GetStdHandle (STD_INPUT_HANDLE));
-}
-
-static void
-winflush_nt (void)
-{
- /* Does nothing as there is no problem under NT. */
-}
-
int
__gnat_is_windows_xp (void)
{
return is_win_xp;
}
-#endif /* !RTX */
+#endif
/* Get the bounds of the stack. The stack pointer is supposed to be
initialized to BASE when a thread is created and the stack can be extended
if (waiting)
{
*ch = getch ();
- (*winflush_function) ();
if (*ch == eot_ch)
*end_of_file = 1;
{
*avail = 1;
*ch = getch ();
- (*winflush_function) ();
if (*ch == eot_ch)
*end_of_file = 1;
projects / platform / upstream / linaro-gcc.git / commitdiff