1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 2001-2004 Free Software Foundation, Inc. --
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 2, 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 COPYING. If not, write --
19 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
20 -- MA 02111-1307, USA. --
22 -- GNAT was originally developed by the GNAT team at New York University. --
23 -- Extensive contributions were provided by Ada Core Technologies Inc. --
25 ------------------------------------------------------------------------------
27 with Ada.Characters.Handling; use Ada.Characters.Handling;
29 with Namet; use Namet;
30 with Osint; use Osint;
34 with Prj.Err; use Prj.Err;
35 with Scans; use Scans;
36 with Snames; use Snames;
38 with GNAT.OS_Lib; use GNAT.OS_Lib;
42 The_Empty_String : Name_Id;
44 Ada_Language : constant Name_Id := Name_Ada;
46 subtype Known_Casing is Casing_Type range All_Upper_Case .. Mixed_Case;
48 The_Casing_Images : constant array (Known_Casing) of String_Access :=
49 (All_Lower_Case => new String'("lowercase"),
50 All_Upper_Case => new String'("UPPERCASE"),
51 Mixed_Case => new String'("MixedCase"));
53 Initialized : Boolean := False;
55 Standard_Dot_Replacement : constant Name_Id :=
56 First_Name_Id + Character'Pos ('-');
58 Std_Naming_Data : Naming_Data :=
59 (Current_Language => No_Name,
60 Dot_Replacement => Standard_Dot_Replacement,
61 Dot_Repl_Loc => No_Location,
62 Casing => All_Lower_Case,
63 Spec_Suffix => No_Array_Element,
64 Current_Spec_Suffix => No_Name,
65 Spec_Suffix_Loc => No_Location,
66 Body_Suffix => No_Array_Element,
67 Current_Body_Suffix => No_Name,
68 Body_Suffix_Loc => No_Location,
69 Separate_Suffix => No_Name,
70 Sep_Suffix_Loc => No_Location,
71 Specs => No_Array_Element,
72 Bodies => No_Array_Element,
73 Specification_Exceptions => No_Array_Element,
74 Implementation_Exceptions => No_Array_Element);
76 Project_Empty : constant Project_Data :=
77 (First_Referred_By => No_Project,
81 Display_Path_Name => No_Name,
82 Location => No_Location,
85 Display_Directory => No_Name,
88 Library_Dir => No_Name,
89 Display_Library_Dir => No_Name,
90 Library_Src_Dir => No_Name,
91 Display_Library_Src_Dir => No_Name,
92 Library_Name => No_Name,
93 Library_Kind => Static,
94 Lib_Internal_Name => No_Name,
95 Lib_Elaboration => False,
96 Standalone_Library => False,
97 Lib_Interface_ALIs => Nil_String,
98 Lib_Auto_Init => False,
99 Symbol_Data => No_Symbols,
100 Sources_Present => True,
101 Sources => Nil_String,
102 Source_Dirs => Nil_String,
103 Known_Order_Of_Source_Dirs => True,
104 Object_Directory => No_Name,
105 Display_Object_Dir => No_Name,
106 Exec_Directory => No_Name,
107 Display_Exec_Dir => No_Name,
108 Extends => No_Project,
109 Extended_By => No_Project,
110 Naming => Std_Naming_Data,
111 Decl => No_Declarations,
112 Imported_Projects => Empty_Project_List,
113 Ada_Include_Path => null,
114 Ada_Objects_Path => null,
115 Include_Path_File => No_Name,
116 Objects_Path_File_With_Libs => No_Name,
117 Objects_Path_File_Without_Libs => No_Name,
118 Config_File_Name => No_Name,
119 Config_File_Temp => False,
120 Config_Checked => False,
121 Language_Independent_Checked => False,
127 Unkept_Comments => False);
133 procedure Add_To_Buffer (S : String) is
135 -- If Buffer is too small, double its size
137 if Buffer_Last + S'Length > Buffer'Last then
139 New_Buffer : constant String_Access :=
140 new String (1 .. 2 * Buffer'Last);
143 New_Buffer (1 .. Buffer_Last) := Buffer (1 .. Buffer_Last);
145 Buffer := New_Buffer;
149 Buffer (Buffer_Last + 1 .. Buffer_Last + S'Length) := S;
150 Buffer_Last := Buffer_Last + S'Length;
157 function Empty_Project return Project_Data is
160 return Project_Empty;
167 function Empty_String return Name_Id is
169 return The_Empty_String;
176 procedure Expect (The_Token : Token_Type; Token_Image : String) is
178 if Token /= The_Token then
179 Error_Msg (Token_Image & " expected", Token_Ptr);
183 --------------------------------
184 -- For_Every_Project_Imported --
185 --------------------------------
187 procedure For_Every_Project_Imported
189 With_State : in out State)
192 procedure Check (Project : Project_Id);
193 -- Check if a project has already been seen.
194 -- If not seen, mark it as seen, call Action,
195 -- and check all its imported projects.
197 procedure Check (Project : Project_Id) is
201 if not Projects.Table (Project).Seen then
202 Projects.Table (Project).Seen := True;
203 Action (Project, With_State);
205 List := Projects.Table (Project).Imported_Projects;
206 while List /= Empty_Project_List loop
207 Check (Project_Lists.Table (List).Project);
208 List := Project_Lists.Table (List).Next;
214 for Project in Projects.First .. Projects.Last loop
215 Projects.Table (Project).Seen := False;
218 Check (Project => By);
219 end For_Every_Project_Imported;
225 function Image (Casing : Casing_Type) return String is
227 return The_Casing_Images (Casing).all;
234 procedure Initialize is
236 if not Initialized then
239 The_Empty_String := Name_Find;
240 Empty_Name := The_Empty_String;
242 Name_Buffer (1 .. 4) := ".ads";
243 Default_Ada_Spec_Suffix := Name_Find;
245 Name_Buffer (1 .. 4) := ".adb";
246 Default_Ada_Body_Suffix := Name_Find;
248 Name_Buffer (1) := '/';
250 Std_Naming_Data.Current_Spec_Suffix := Default_Ada_Spec_Suffix;
251 Std_Naming_Data.Current_Body_Suffix := Default_Ada_Body_Suffix;
252 Std_Naming_Data.Separate_Suffix := Default_Ada_Body_Suffix;
253 Register_Default_Naming_Scheme
254 (Language => Ada_Language,
255 Default_Spec_Suffix => Default_Ada_Spec_Suffix,
256 Default_Body_Suffix => Default_Ada_Body_Suffix);
259 Set_Name_Table_Byte (Name_Project, Token_Type'Pos (Tok_Project));
260 Set_Name_Table_Byte (Name_Extends, Token_Type'Pos (Tok_Extends));
261 Set_Name_Table_Byte (Name_External, Token_Type'Pos (Tok_External));
265 ------------------------------------
266 -- Register_Default_Naming_Scheme --
267 ------------------------------------
269 procedure Register_Default_Naming_Scheme
271 Default_Spec_Suffix : Name_Id;
272 Default_Body_Suffix : Name_Id)
275 Suffix : Array_Element_Id;
276 Found : Boolean := False;
277 Element : Array_Element;
280 -- Get the language name in small letters
282 Get_Name_String (Language);
283 Name_Buffer (1 .. Name_Len) := To_Lower (Name_Buffer (1 .. Name_Len));
286 Suffix := Std_Naming_Data.Spec_Suffix;
289 -- Look for an element of the spec sufix array indexed by the language
290 -- name. If one is found, put the default value.
292 while Suffix /= No_Array_Element and then not Found loop
293 Element := Array_Elements.Table (Suffix);
295 if Element.Index = Lang then
297 Element.Value.Value := Default_Spec_Suffix;
298 Array_Elements.Table (Suffix) := Element;
301 Suffix := Element.Next;
305 -- If none can be found, create a new one.
310 Index_Case_Sensitive => False,
311 Value => (Project => No_Project,
313 Location => No_Location,
315 Value => Default_Spec_Suffix),
316 Next => Std_Naming_Data.Spec_Suffix);
317 Array_Elements.Increment_Last;
318 Array_Elements.Table (Array_Elements.Last) := Element;
319 Std_Naming_Data.Spec_Suffix := Array_Elements.Last;
322 Suffix := Std_Naming_Data.Body_Suffix;
325 -- Look for an element of the body sufix array indexed by the language
326 -- name. If one is found, put the default value.
328 while Suffix /= No_Array_Element and then not Found loop
329 Element := Array_Elements.Table (Suffix);
331 if Element.Index = Lang then
333 Element.Value.Value := Default_Body_Suffix;
334 Array_Elements.Table (Suffix) := Element;
337 Suffix := Element.Next;
341 -- If none can be found, create a new one.
346 Index_Case_Sensitive => False,
347 Value => (Project => No_Project,
349 Location => No_Location,
351 Value => Default_Body_Suffix),
352 Next => Std_Naming_Data.Body_Suffix);
353 Array_Elements.Increment_Last;
354 Array_Elements.Table (Array_Elements.Last) := Element;
355 Std_Naming_Data.Body_Suffix := Array_Elements.Last;
357 end Register_Default_Naming_Scheme;
369 Variable_Elements.Init;
370 String_Elements.Init;
372 Prj.Com.Units_Htable.Reset;
373 Prj.Com.Files_Htable.Reset;
376 ------------------------
377 -- Same_Naming_Scheme --
378 ------------------------
380 function Same_Naming_Scheme
381 (Left, Right : Naming_Data)
385 return Left.Dot_Replacement = Right.Dot_Replacement
386 and then Left.Casing = Right.Casing
387 and then Left.Current_Spec_Suffix = Right.Current_Spec_Suffix
388 and then Left.Current_Body_Suffix = Right.Current_Body_Suffix
389 and then Left.Separate_Suffix = Right.Separate_Suffix;
390 end Same_Naming_Scheme;
392 --------------------------
393 -- Standard_Naming_Data --
394 --------------------------
396 function Standard_Naming_Data return Naming_Data is
399 return Std_Naming_Data;
400 end Standard_Naming_Data;
406 function Value (Image : String) return Casing_Type is
408 for Casing in The_Casing_Images'Range loop
409 if To_Lower (Image) = To_Lower (The_Casing_Images (Casing).all) then
414 raise Constraint_Error;
418 -- Make sure that the standard project file extension is compatible
419 -- with canonical case file naming.
421 Canonical_Case_File_Name (Project_File_Extension);