OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [prj-env.ads] - Blame information for rev 706

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 706 jeremybenn
------------------------------------------------------------------------------
2
--                                                                          --
3
--                         GNAT COMPILER COMPONENTS                         --
4
--                                                                          --
5
--                              P R J . E N V                               --
6
--                                                                          --
7
--                                 S p e c                                  --
8
--                                                                          --
9
--          Copyright (C) 2001-2011, 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
with GNAT.Dynamic_HTables;
30
with GNAT.OS_Lib;
31
 
32
package Prj.Env is
33
 
34
   procedure Initialize (In_Tree : Project_Tree_Ref);
35
   --  Initialize global components relative to environment variables
36
 
37
   procedure Print_Sources (In_Tree : Project_Tree_Ref);
38
   --  Output the list of sources after Project files have been scanned
39
 
40
   procedure Create_Mapping (In_Tree : Project_Tree_Ref);
41
   --  Create in memory mapping from the sources of all the projects (in body
42
   --  of package Fmap), so that Osint.Find_File will find the correct path
43
   --  corresponding to a source.
44
 
45
   procedure Create_Temp_File
46
     (Shared    : Shared_Project_Tree_Data_Access;
47
      Path_FD   : out File_Descriptor;
48
      Path_Name : out Path_Name_Type;
49
      File_Use  : String);
50
   --  Create temporary file, fail with an error if it could not be created
51
 
52
   procedure Create_Mapping_File
53
     (Project  : Project_Id;
54
      Language : Name_Id;
55
      In_Tree  : Project_Tree_Ref;
56
      Name     : out Path_Name_Type);
57
   --  Create a temporary mapping file for project Project. For each source or
58
   --  template of Language in the Project, put the mapping of its file name
59
   --  and path name in this file. See fmap for a description of the format
60
   --  of the mapping file.
61
   --
62
   --  Implementation note: we pass a language name, not a language_index here,
63
   --  since the latter would have to match exactly the index of that language
64
   --  for the specified project, and that is not information available in
65
   --  buildgpr.adb.
66
 
67
   procedure Create_Config_Pragmas_File
68
     (For_Project : Project_Id;
69
      In_Tree     : Project_Tree_Ref);
70
   --  If we need SFN pragmas, either for non standard naming schemes or for
71
   --  individual units.
72
 
73
   procedure Create_New_Path_File
74
     (Shared    : Shared_Project_Tree_Data_Access;
75
      Path_FD   : out File_Descriptor;
76
      Path_Name : out Path_Name_Type);
77
   --  Create a new temporary path file, placing file name in Path_Name
78
 
79
   function Ada_Include_Path
80
     (Project   : Project_Id;
81
      In_Tree   : Project_Tree_Ref;
82
      Recursive : Boolean := False) return String;
83
   --  Get the source search path of a Project file. If Recursive it True, get
84
   --  all the source directories of the imported and modified project files
85
   --  (recursively). If Recursive is False, just get the path for the source
86
   --  directories of Project. Note: the resulting String may be empty if there
87
   --  is no source directory in the project file.
88
 
89
   function Ada_Objects_Path
90
     (Project             : Project_Id;
91
      In_Tree             : Project_Tree_Ref;
92
      Including_Libraries : Boolean := True) return String_Access;
93
   --  Get the ADA_OBJECTS_PATH of a Project file. For the first call, compute
94
   --  it and cache it. When Including_Libraries is False, do not include the
95
   --  object directories of the library projects, and do not cache the result.
96
 
97
   procedure Set_Ada_Paths
98
     (Project             : Project_Id;
99
      In_Tree             : Project_Tree_Ref;
100
      Including_Libraries : Boolean;
101
      Include_Path        : Boolean := True;
102
      Objects_Path        : Boolean := True);
103
   --  Set the environment variables for additional project path files, after
104
   --  creating the path files if necessary.
105
 
106
   function File_Name_Of_Library_Unit_Body
107
     (Name              : String;
108
      Project           : Project_Id;
109
      In_Tree           : Project_Tree_Ref;
110
      Main_Project_Only : Boolean := True;
111
      Full_Path         : Boolean := False) return String;
112
   --  Returns the file name of a library unit, in canonical case. Name may or
113
   --  may not have an extension (corresponding to the naming scheme of the
114
   --  project). If there is no body with this name, but there is a spec, the
115
   --  name of the spec is returned.
116
   --
117
   --  If Full_Path is False (the default), the simple file name is returned.
118
   --  If Full_Path is True, the absolute path name is returned.
119
   --
120
   --  If neither a body nor a spec can be found, an empty string is returned.
121
   --  If Main_Project_Only is True, the unit must be an immediate source of
122
   --  Project. If it is False, it may be a source of one of its imported
123
   --  projects.
124
 
125
   function Project_Of
126
     (Name         : String;
127
      Main_Project : Project_Id;
128
      In_Tree      : Project_Tree_Ref) return Project_Id;
129
   --  Get the project of a source. The source file name may be truncated
130
   --  (".adb" or ".ads" may be missing). If the source is in a project being
131
   --  extended, return the ultimate extending project. If it is not a source
132
   --  of any project, return No_Project.
133
 
134
   procedure Get_Reference
135
     (Source_File_Name : String;
136
      In_Tree          : Project_Tree_Ref;
137
      Project          : out Project_Id;
138
      Path             : out Path_Name_Type);
139
   --  Returns the project of a source and its path in displayable form
140
 
141
   generic
142
      with procedure Action (Path : String);
143
   procedure For_All_Source_Dirs
144
     (Project : Project_Id;
145
      In_Tree : Project_Tree_Ref);
146
   --  Iterate through all the source directories of a project, including those
147
   --  of imported or modified projects. Only returns those directories that
148
   --  potentially contain Ada sources (ie ignore projects that have no Ada
149
   --  sources
150
 
151
   generic
152
      with procedure Action (Path : String);
153
   procedure For_All_Object_Dirs
154
     (Project : Project_Id;
155
      Tree    : Project_Tree_Ref);
156
   --  Iterate through all the object directories of a project, including those
157
   --  of imported or modified projects.
158
 
159
   ------------------
160
   -- Project Path --
161
   ------------------
162
 
163
   type Project_Search_Path is private;
164
   --  An abstraction of the project path. This object provides subprograms
165
   --  to search for projects on the path (and caches the results to improve
166
   --  efficiency).
167
 
168
   No_Project_Search_Path : constant Project_Search_Path;
169
 
170
   procedure Initialize_Default_Project_Path
171
     (Self        : in out Project_Search_Path;
172
      Target_Name : String);
173
   --  Initialize Self. It will then contain the default project path on the
174
   --  given target (including directories specified by the environment
175
   --  variables ADA_PROJECT_PATH and GPR_PROJECT_PATH). This does nothing if
176
   --  Self has already been initialized.
177
 
178
   procedure Copy (From : Project_Search_Path; To : out Project_Search_Path);
179
   --  Copy From into To
180
 
181
   procedure Initialize_Empty (Self : in out Project_Search_Path);
182
   --  Initialize self with an empty list of directories. If Self had already
183
   --  been set, it is reset.
184
 
185
   function Is_Initialized (Self : Project_Search_Path) return Boolean;
186
   --  Whether Self has been initialized
187
 
188
   procedure Free (Self : in out Project_Search_Path);
189
   --  Free the memory used by Self
190
 
191
   procedure Add_Directories
192
     (Self : in out Project_Search_Path;
193
      Path : String);
194
   --  Add one or more directories to the path. Directories added with this
195
   --  procedure are added in order after the current directory and before the
196
   --  path given by the environment variable GPR_PROJECT_PATH. A value of "-"
197
   --  will remove the default project directory from the project path.
198
   --
199
   --  Calls to this subprogram must be performed before the first call to
200
   --  Find_Project below, or PATH will be added at the end of the search path.
201
 
202
   procedure Get_Path (Self : Project_Search_Path; Path : out String_Access);
203
   --  Return the current value of the project path, either the value set
204
   --  during elaboration of the package or, if procedure Set_Project_Path has
205
   --  been called, the value set by the last call to Set_Project_Path. The
206
   --  returned value must not be modified.
207
   --  Self must have been initialized first.
208
 
209
   procedure Set_Path (Self : in out Project_Search_Path; Path : String);
210
   --  Override the value of the project path. This also removes the implicit
211
   --  default search directories.
212
 
213
   generic
214
      with function Check_Filename (Name : String) return Boolean;
215
   function Find_Name_In_Path
216
     (Self : Project_Search_Path;
217
      Path : String) return String_Access;
218
   --  Find a name in the project search path of Self. Check_Filename is
219
   --  the predicate to valid the search.  If Path is an absolute filename,
220
   --  simply calls the predicate with Path. Otherwise, calls the predicate
221
   --  for each component of the path. Stops as soon as the predicate
222
   --  returns True and returns the name, or returns null in case of failure.
223
 
224
   procedure Find_Project
225
     (Self               : in out Project_Search_Path;
226
      Project_File_Name  : String;
227
      Directory          : String;
228
      Path               : out Namet.Path_Name_Type);
229
   --  Search for a project with the given name either in Directory (which
230
   --  often will be the directory contain the project we are currently parsing
231
   --  and which we found a reference to another project), or in the project
232
   --  path Self. Self must have been initialized first.
233
   --
234
   --  Project_File_Name can optionally contain directories, and the extension
235
   --  (.gpr) for the file name is optional.
236
   --
237
   --  Returns No_Name if no such project was found
238
 
239
   function Get_Runtime_Path
240
     (Self : Project_Search_Path;
241
      Name : String) return String_Access;
242
   --  Compute the full path for the project-based runtime name.  It first
243
   --  checks that name is not a simple name (must has a path separator in it),
244
   --  and returns null in case of failure.  This check might be removed in the
245
   --  future.  The name is simply searched on the project path.
246
 
247
private
248
   package Projects_Paths is new GNAT.Dynamic_HTables.Simple_HTable
249
     (Header_Num => Header_Num,
250
      Element    => Path_Name_Type,
251
      No_Element => No_Path,
252
      Key        => Name_Id,
253
      Hash       => Hash,
254
      Equal      => "=");
255
 
256
   type Project_Search_Path is record
257
      Path : GNAT.OS_Lib.String_Access;
258
      --  As a special case, if the first character is '#:" or this variable
259
      --  is unset, this means that the PATH has not been fully initialized
260
      --  yet (although subprograms above will properly take care of that).
261
 
262
      Cache : Projects_Paths.Instance;
263
   end record;
264
 
265
   No_Project_Search_Path : constant Project_Search_Path :=
266
                              (Path  => null,
267
                               Cache => Projects_Paths.Nil);
268
 
269
end Prj.Env;

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.