gcc/ada/prj-env.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                              P R J . E N V                               --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 2001-2008, Free Software Foundation, Inc.         --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT; see file COPYING3.  If not, go to --
  19 -- http://www.gnu.org/licenses for a complete copy of the license.          --
  20 --                                                                          --
  21 -- GNAT was originally developed  by the GNAT team at  New York University. --
  22 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  23 --                                                                          --
  24 ------------------------------------------------------------------------------
  25
  26 --  This package implements services for Project-aware tools, mostly related
  27 --  to the environment (configuration pragma files, path files, mapping files).
  28
  29 package Prj.Env is
  30
  31    procedure Initialize;
  32    --  Called by Prj.Initialize to perform required initialization steps for
  33    --  this package.
  34
  35    procedure Print_Sources (In_Tree : Project_Tree_Ref);
  36    --  Output the list of sources, after Project files have been scanned
  37
  38    procedure Create_Mapping (In_Tree : Project_Tree_Ref);
  39    --  Create in memory mapping from the sources of all the projects (in body
  40    --  of package Fmap), so that Osint.Find_File will find the correct path
  41    --  corresponding to a source.
  42
  43    procedure Create_Mapping_File
  44      (Project : Project_Id;
  45       In_Tree : Project_Tree_Ref;
  46       Name    : out Path_Name_Type);
  47    --  Create a temporary mapping file for project Project. For each unit
  48    --  in the closure of immediate sources of Project, put the mapping of
  49    --  its spec and or body to its file name and path name in this file.
  50
  51    procedure Create_Mapping_File
  52      (Project  : Project_Id;
  53       Language : Name_Id;
  54       In_Tree  : Project_Tree_Ref;
  55       Name     : out Path_Name_Type);
  56    --  Create a temporary mapping file for project Project. For each source or
  57    --  template of Language in the of Project, put the mapping of its file
  58    --  name and path name in this file.
  59
  60    procedure Set_Mapping_File_Initial_State_To_Empty;
  61    --  When creating a mapping file, create an empty map. This case occurs
  62    --  when run time source files are found in the project files.
  63
  64    procedure Create_Config_Pragmas_File
  65      (For_Project          : Project_Id;
  66       Main_Project         : Project_Id;
  67       In_Tree              : Project_Tree_Ref;
  68       Include_Config_Files : Boolean := True);
  69    --  If there needs to have SFN pragmas, either for non standard naming
  70    --  schemes or for individual units, or (when Include_Config_Files is True)
  71    --  if Global_Configuration_Pragmas has been specified in package gnatmake
  72    --  of the main project, or if Local_Configuration_Pragmas has been
  73    --  specified in package Compiler of the main project, build (if needed)
  74    --  a temporary file that contains all configuration pragmas, and specify
  75    --  the configuration pragmas file in the project data.
  76
  77    procedure Create_New_Path_File
  78      (In_Tree   : Project_Tree_Ref;
  79       Path_FD   : out File_Descriptor;
  80       Path_Name : out Path_Name_Type);
  81    --  Create a new temporary path file. Get the file name in Path_Name.
  82    --  The name is normally obtained by increasing the number in
  83    --  Temp_Path_File_Name by 1.
  84
  85    function Ada_Include_Path
  86      (Project : Project_Id;
  87       In_Tree : Project_Tree_Ref) return String_Access;
  88    --  Get the source search path of a Project file. For the first call,
  89    --  compute it and cache it.
  90
  91    function Ada_Include_Path
  92      (Project   : Project_Id;
  93       In_Tree   : Project_Tree_Ref;
  94       Recursive : Boolean) return String;
  95    --  Get the source search path of a Project file. If Recursive it True,
  96    --  get all the source directories of the imported and modified project
  97    --  files (recursively). If Recursive is False, just get the path for the
  98    --  source directories of Project. Note: the resulting String may be empty
  99    --  if there is no source directory in the project file.
 100
 101    function Ada_Objects_Path
 102      (Project             : Project_Id;
 103       In_Tree             : Project_Tree_Ref;
 104       Including_Libraries : Boolean := True) return String_Access;
 105    --  Get the ADA_OBJECTS_PATH of a Project file. For the first call, compute
 106    --  it and cache it. When Including_Libraries is False, do not include the
 107    --  object directories of the library projects, and do not cache the result.
 108
 109    procedure Set_Ada_Paths
 110      (Project             : Project_Id;
 111       In_Tree             : Project_Tree_Ref;
 112       Including_Libraries : Boolean);
 113    --  Set the env vars for additional project path files, after
 114    --  creating the path files if necessary.
 115
 116    procedure Delete_All_Path_Files (In_Tree : Project_Tree_Ref);
 117    --  Delete all temporary path files that have been created by
 118    --  calls to Set_Ada_Paths.
 119
 120    function Path_Name_Of_Library_Unit_Body
 121      (Name    : String;
 122       Project : Project_Id;
 123       In_Tree : Project_Tree_Ref) return String;
 124    --  Returns the Path of a library unit
 125
 126    function File_Name_Of_Library_Unit_Body
 127      (Name              : String;
 128       Project           : Project_Id;
 129       In_Tree           : Project_Tree_Ref;
 130       Main_Project_Only : Boolean := True;
 131       Full_Path         : Boolean := False) return String;
 132    --  Returns the file name of a library unit, in canonical case. Name may or
 133    --  may not have an extension (corresponding to the naming scheme of the
 134    --  project). If there is no body with this name, but there is a spec, the
 135    --  name of the spec is returned.
 136    --
 137    --  If Full_Path is False (the default), the simple file name is returned.
 138    --
 139    --  If Full_Path is True, the absolute path name is returned.
 140    --
 141    --  If neither a body nor a spec can be found, an empty string is returned.
 142    --  If Main_Project_Only is True, the unit must be an immediate source of
 143    --  Project. If it is False, it may be a source of one of its imported
 144    --  projects.
 145
 146    function Project_Of
 147      (Name         : String;
 148       Main_Project : Project_Id;
 149       In_Tree      : Project_Tree_Ref) return Project_Id;
 150    --  Get the project of a source. The source file name may be truncated
 151    --  (".adb" or ".ads" may be missing). If the source is in a project being
 152    --  extended, return the ultimate extending project. If it is not a source
 153    --  of any project, return No_Project.
 154
 155    procedure Get_Reference
 156      (Source_File_Name : String;
 157       In_Tree          : Project_Tree_Ref;
 158       Project          : out Project_Id;
 159       Path             : out Path_Name_Type);
 160    --  Returns the project of a source and its path in displayable form
 161
 162    generic
 163       with procedure Action (Path : String);
 164    procedure For_All_Source_Dirs
 165      (Project : Project_Id;
 166       In_Tree : Project_Tree_Ref);
 167    --  Iterate through all the source directories of a project, including
 168    --  those of imported or modified projects.
 169
 170    generic
 171       with procedure Action (Path : String);
 172    procedure For_All_Object_Dirs
 173      (Project : Project_Id;
 174       In_Tree : Project_Tree_Ref);
 175    --  Iterate through all the object directories of a project, including
 176    --  those of imported or modified projects.
 177
 178 end Prj.Env;