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-------------------------------------------------------------------------------
--- --
--- GNAT RUN-TIME COMPONENTS --
--- --
--- G N A T . S O U R C E _ I N F O --
--- --
--- S p e c --
--- --
--- Copyright (C) 2000-2015, 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. --
--- --
-------------------------------------------------------------------------------
-
--- This package provides some useful utility subprograms that provide access
--- to source code information known at compile time. These subprograms are
--- intrinsic operations that provide information known to the compiler in
--- a form that can be embedded into the source program for identification
--- and logging purposes. For example, an exception handler can print out
--- the name of the source file in which the exception is handled.
-
-package GNAT.Source_Info is
- pragma Preelaborate;
- -- Note that this unit is Preelaborate, but not Pure, that's because the
- -- functions here such as Line are clearly not pure functions, and normally
- -- we mark intrinsic functions in a Pure unit as Pure, even though they are
- -- imported.
- --
- -- Historical note: this used to be Pure, but that was when we marked all
- -- intrinsics as not Pure, even in Pure units, so no problems arose.
-
- function File return String with
- Import, Convention => Intrinsic;
- -- Return the name of the current file, not including the path information.
- -- The result is considered to be a static string constant.
-
- function Line return Positive with
- Import, Convention => Intrinsic;
- -- Return the current input line number. The result is considered to be a
- -- static expression.
-
- function Source_Location return String with
- Import, Convention => Intrinsic;
- -- Return a string literal of the form "name:line", where name is the
- -- current source file name without path information, and line is the
- -- current line number. In the event that instantiations are involved,
- -- additional suffixes of the same form are appended after the separating
- -- string " instantiated at ". The result is considered to be a static
- -- string constant.
-
- function Enclosing_Entity return String with
- Import, Convention => Intrinsic;
- -- Return the name of the current subprogram, package, task, entry or
- -- protected subprogram. The string is in exactly the form used for the
- -- declaration of the entity (casing and encoding conventions), and is
- -- considered to be a static string constant. The name is fully qualified
- -- using periods where possible (this is not always possible, notably in
- -- the case of entities appearing in unnamed block statements.)
- --
- -- Note: if this function is used at the outer level of a generic package,
- -- the string returned will be the name of the instance, not the generic
- -- package itself. This is useful in identifying and logging information
- -- from within generic templates.
-
- function Compilation_ISO_Date return String with
- Import, Convention => Intrinsic;
- -- Returns date of compilation as a static string "yyyy-mm-dd".
-
- function Compilation_Date return String with
- Import, Convention => Intrinsic;
- -- Returns date of compilation as a static string "mmm dd yyyy". This is
- -- in local time form, and is exactly compatible with C macro __DATE__.
-
- function Compilation_Time return String with
- Import, Convention => Intrinsic;
- -- Returns GMT time of compilation as a static string "hh:mm:ss". This is
- -- in local time form, and is exactly compatible with C macro __TIME__.
-
-end GNAT.Source_Info;