93 lines
5.4 KiB
Ada
93 lines
5.4 KiB
Ada
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------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- G N A T . S O U R C E _ I N F O --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 2000-2014, 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 3, 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. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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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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-- This package provides some useful utility subprograms that provide access
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-- to source code information known at compile time. These subprograms are
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-- intrinsic operations that provide information known to the compiler in
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-- a form that can be embedded into the source program for identification
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-- and logging purposes. For example, an exception handler can print out
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-- the name of the source file in which the exception is handled.
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package GNAT.Source_Info is
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pragma Preelaborate;
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-- Note that this unit is Preelaborate, but not Pure, that's because the
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-- functions here such as Line are clearly not pure functions, and normally
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-- we mark intrinsic functions in a Pure unit as Pure, even though they are
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-- imported.
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--
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-- Historical note: this used to be Pure, but that was when we marked all
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-- intrinsics as not Pure, even in Pure units, so no problems arose.
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function File return String with
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Import, Convention => Intrinsic;
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-- Return the name of the current file, not including the path information.
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-- The result is considered to be a static string constant.
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function Line return Positive with
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Import, Convention => Intrinsic;
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-- Return the current input line number. The result is considered to be a
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-- static expression.
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function Source_Location return String with
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Import, Convention => Intrinsic;
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-- Return a string literal of the form "name:line", where name is the
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-- current source file name without path information, and line is the
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-- current line number. In the event that instantiations are involved,
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-- additional suffixes of the same form are appended after the separating
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-- string " instantiated at ". The result is considered to be a static
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-- string constant.
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function Enclosing_Entity return String with
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Import, Convention => Intrinsic;
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-- Return the name of the current subprogram, package, task, entry or
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-- protected subprogram. The string is in exactly the form used for the
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-- declaration of the entity (casing and encoding conventions), and is
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-- considered to be a static string constant. The name is fully qualified
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-- using periods where possible (this is not always possible, notably in
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-- the case of entities appearing in unnamed block statements.)
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--
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-- Note: if this function is used at the outer level of a generic package,
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-- the string returned will be the name of the instance, not the generic
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-- package itself. This is useful in identifying and logging information
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-- from within generic templates.
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function Compilation_Date return String with
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Import, Convention => Intrinsic;
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-- Returns date of compilation as a static string "mmm dd yyyy". This is
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-- in local time form, and is exactly compatible with C macro __DATE__.
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function Compilation_Time return String with
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Import, Convention => Intrinsic;
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-- Returns GMT time of compilation as a static string "hh:mm:ss". This is
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-- in local time form, and is exactly compatible with C macro __TIME__.
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end GNAT.Source_Info;
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