1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
11 -- Copyright (C) 2001 Free Software Foundation, Inc. --
13 -- GNAT is free software; you can redistribute it and/or modify it under --
14 -- terms of the GNU General Public License as published by the Free Soft- --
15 -- ware Foundation; either version 2, or (at your option) any later ver- --
16 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
17 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
18 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
19 -- for more details. You should have received a copy of the GNU General --
20 -- Public License distributed with GNAT; see file COPYING. If not, write --
21 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
22 -- MA 02111-1307, USA. --
24 -- GNAT was originally developed by the GNAT team at New York University. --
25 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
27 ------------------------------------------------------------------------------
29 with Ada.Characters.Handling; use Ada.Characters.Handling;
30 with Errout; use Errout;
31 with GNAT.OS_Lib; use GNAT.OS_Lib;
32 with Namet; use Namet;
36 with Scans; use Scans;
38 with Stringt; use Stringt;
40 with Snames; use Snames;
44 The_Empty_String : String_Id;
46 Default_Ada_Spec_Suffix : Name_Id := No_Name;
47 Default_Ada_Impl_Suffix : Name_Id := No_Name;
49 subtype Known_Casing is Casing_Type range All_Upper_Case .. Mixed_Case;
51 The_Casing_Images : array (Known_Casing) of String_Access :=
52 (All_Lower_Case => new String'("lowercase"),
53 All_Upper_Case => new String'("UPPERCASE"),
54 Mixed_Case => new String'("MixedCase"));
56 Initialized : Boolean := False;
58 Standard_Dot_Replacement : constant Name_Id :=
59 First_Name_Id + Character'Pos ('-');
61 Std_Naming_Data : Naming_Data :=
62 (Current_Language => No_Name,
63 Dot_Replacement => Standard_Dot_Replacement,
64 Dot_Repl_Loc => No_Location,
65 Casing => All_Lower_Case,
66 Specification_Suffix => No_Array_Element,
67 Current_Spec_Suffix => No_Name,
68 Spec_Suffix_Loc => No_Location,
69 Implementation_Suffix => No_Array_Element,
70 Current_Impl_Suffix => No_Name,
71 Impl_Suffix_Loc => No_Location,
72 Separate_Suffix => No_Name,
73 Sep_Suffix_Loc => No_Location,
74 Specifications => No_Array_Element,
75 Bodies => No_Array_Element,
76 Specification_Exceptions => No_Array_Element,
77 Implementation_Exceptions => No_Array_Element);
79 Project_Empty : constant Project_Data :=
80 (First_Referred_By => No_Project,
83 Location => No_Location,
86 Library_Dir => No_Name,
87 Library_Name => No_Name,
88 Library_Kind => Static,
89 Lib_Internal_Name => No_Name,
90 Lib_Elaboration => False,
91 Sources_Present => True,
92 Sources => Nil_String,
93 Source_Dirs => Nil_String,
94 Object_Directory => No_Name,
95 Modifies => No_Project,
96 Modified_By => No_Project,
97 Naming => Std_Naming_Data,
98 Decl => No_Declarations,
99 Imported_Projects => Empty_Project_List,
100 Include_Path => null,
101 Objects_Path => null,
102 Config_File_Name => No_Name,
103 Config_File_Temp => False,
104 Config_Checked => False,
105 Language_Independent_Checked => False,
111 -----------------------------
112 -- Ada_Default_Spec_Suffix --
113 -----------------------------
115 function Ada_Default_Spec_Suffix return Name_Id is
117 return Default_Ada_Spec_Suffix;
118 end Ada_Default_Spec_Suffix;
120 -----------------------------
121 -- Ada_Default_Impl_Suffix --
122 -----------------------------
124 function Ada_Default_Impl_Suffix return Name_Id is
126 return Default_Ada_Impl_Suffix;
127 end Ada_Default_Impl_Suffix;
133 function Empty_Project return Project_Data is
136 return Project_Empty;
143 function Empty_String return String_Id is
145 return The_Empty_String;
152 procedure Expect (The_Token : Token_Type; Token_Image : String) is
154 if Token /= The_Token then
155 Error_Msg ("""" & Token_Image & """ expected", Token_Ptr);
159 --------------------------------
160 -- For_Every_Project_Imported --
161 --------------------------------
163 procedure For_Every_Project_Imported
165 With_State : in out State)
168 procedure Check (Project : Project_Id);
169 -- Check if a project has already been seen.
170 -- If not seen, mark it as seen, call Action,
171 -- and check all its imported projects.
173 procedure Check (Project : Project_Id) is
177 if not Projects.Table (Project).Seen then
178 Projects.Table (Project).Seen := False;
179 Action (Project, With_State);
181 List := Projects.Table (Project).Imported_Projects;
182 while List /= Empty_Project_List loop
183 Check (Project_Lists.Table (List).Project);
184 List := Project_Lists.Table (List).Next;
190 for Project in Projects.First .. Projects.Last loop
191 Projects.Table (Project).Seen := False;
194 Check (Project => By);
195 end For_Every_Project_Imported;
201 function Image (Casing : Casing_Type) return String is
203 return The_Casing_Images (Casing).all;
210 procedure Initialize is
212 if not Initialized then
216 The_Empty_String := End_String;
218 Name_Buffer (1 .. 4) := ".ads";
219 Default_Ada_Spec_Suffix := Name_Find;
221 Name_Buffer (1 .. 4) := ".adb";
222 Default_Ada_Impl_Suffix := Name_Find;
223 Std_Naming_Data.Current_Spec_Suffix := Default_Ada_Spec_Suffix;
224 Std_Naming_Data.Current_Impl_Suffix := Default_Ada_Impl_Suffix;
225 Std_Naming_Data.Separate_Suffix := Default_Ada_Impl_Suffix;
228 Set_Name_Table_Byte (Name_Project, Token_Type'Pos (Tok_Project));
229 Set_Name_Table_Byte (Name_Extends, Token_Type'Pos (Tok_Extends));
230 Set_Name_Table_Byte (Name_External, Token_Type'Pos (Tok_External));
244 Variable_Elements.Init;
245 String_Elements.Init;
247 Prj.Com.Units_Htable.Reset;
250 ------------------------
251 -- Same_Naming_Scheme --
252 ------------------------
254 function Same_Naming_Scheme
255 (Left, Right : Naming_Data)
259 return Left.Dot_Replacement = Right.Dot_Replacement
260 and then Left.Casing = Right.Casing
261 and then Left.Current_Spec_Suffix = Right.Current_Spec_Suffix
262 and then Left.Current_Impl_Suffix = Right.Current_Impl_Suffix
263 and then Left.Separate_Suffix = Right.Separate_Suffix;
264 end Same_Naming_Scheme;
274 -- Change operator symbol to literal strings, since that's the way
275 -- we treat all strings in a project file.
277 if Token = Tok_Operator_Symbol then
278 Sinfo.CN.Change_Operator_Symbol_To_String_Literal (Token_Node);
279 Token := Tok_String_Literal;
283 --------------------------
284 -- Standard_Naming_Data --
285 --------------------------
287 function Standard_Naming_Data return Naming_Data is
290 return Std_Naming_Data;
291 end Standard_Naming_Data;
297 function Value (Image : String) return Casing_Type is
299 for Casing in The_Casing_Images'Range loop
300 if To_Lower (Image) = To_Lower (The_Casing_Images (Casing).all) then
305 raise Constraint_Error;