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Diffstat (limited to 'gcc-4.9/gcc/ada/g-souinf.ads')
| -rw-r--r-- | gcc-4.9/gcc/ada/g-souinf.ads | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/ada/g-souinf.ads b/gcc-4.9/gcc/ada/g-souinf.ads new file mode 100644 index 000000000..8810f4db0 --- /dev/null +++ b/gcc-4.9/gcc/ada/g-souinf.ads @@ -0,0 +1,83 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- G N A T . S O U R C E _ I N F O -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2000-2013, 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; + -- 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; + -- Return the current input line number. The result is considered to be a + -- static expression. + + function Source_Location return String; + -- 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; + -- 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. + +private + pragma Import (Intrinsic, File); + pragma Import (Intrinsic, Line); + pragma Import (Intrinsic, Source_Location); + pragma Import (Intrinsic, Enclosing_Entity); +end GNAT.Source_Info; |