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Diffstat (limited to 'gcc-4.9/gcc/ada/switch-m.ads')
| -rw-r--r-- | gcc-4.9/gcc/ada/switch-m.ads | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/ada/switch-m.ads b/gcc-4.9/gcc/ada/switch-m.ads new file mode 100644 index 000000000..b1daf1491 --- /dev/null +++ b/gcc-4.9/gcc/ada/switch-m.ads @@ -0,0 +1,81 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- S W I T C H - M -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2001-2011, 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- -- +-- 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. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING3. If not, go to -- +-- http://www.gnu.org/licenses for a complete copy of the license. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +-- This package scans make switches. Note that the body of Usage must be +-- coordinated with the switches that are recognized by this package. +-- The Usage package also acts as the official documentation for the +-- switches that are recognized. In addition, package Debug documents +-- the otherwise undocumented debug switches that are also recognized. + +pragma Warnings (Off); +-- This package is used also by gnatcoll +with System.OS_Lib; use System.OS_Lib; +pragma Warnings (On); + +with Prj.Tree; + +package Switch.M is + + procedure Scan_Make_Switches + (Env : in out Prj.Tree.Environment; + Switch_Chars : String; + Success : out Boolean); + -- Scan a gnatmake switch and act accordingly. For switches that are + -- recognized, Success is set to True. A switch that is not recognized and + -- consists of one small letter causes a fatal error exit and control does + -- not return. For all other not recognized switches, Success is set to + -- False, so that the switch may be passed to the compiler. + -- + -- Project_Node_Tree is used to store tree-specific parameters like the + -- project path. + + procedure Normalize_Compiler_Switches + (Switch_Chars : String; + Switches : in out Argument_List_Access; + Last : out Natural); + -- Takes a compiler switch which potentially is equivalent to more + -- that one simple switches and returns the equivalent list of simple + -- switches that are stored in an ALI file. Switches will be extended + -- if initially null or too short. Last indicates the index in Switches + -- of the last simple switch. Last is equal to zero, if it has been + -- determined that Switch_Chars is ill-formed or does not contain any + -- switch that should be stored in an ALI file. Otherwise, the list of + -- simple switches is Switches (Switches'First .. Last). + -- + -- Example: if Switch_Chars is equal to "-gnatAwue", then the list of + -- simple switches will have 3 components: -gnatA, -gnatwu, -gnatwe. + -- + -- The String_Access components of Switches should not be deallocated: + -- they are shallow copies of components in a table in the body. + + function Normalize_Compiler_Switches + (Switch_Chars : String) return Argument_List; + -- Similar to the previous procedure. The return value is the list of + -- simple switches. It may be an empty array if it has been determined + -- that Switch_Chars is ill-formed or does not contain any switch that + -- should be stored in an ALI file. The String_Access components of the + -- returned value should not be deallocated. + +end Switch.M; |