1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1998-2009, 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 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. --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
24 ------------------------------------------------------------------------------
26 with Types; use Types;
30 with Ada.Unchecked_Conversion;
31 with Ada.Unchecked_Deallocation;
32 with Ada.Strings.Fixed;
35 with Ada.Characters.Handling; use Ada.Characters.Handling;
36 with Ada.Strings.Unbounded; use Ada.Strings.Unbounded;
38 with GNAT.OS_Lib; use GNAT.OS_Lib;
39 with GNAT.Directory_Operations; use GNAT.Directory_Operations;
40 with GNAT.HTable; use GNAT.HTable;
41 with GNAT.Heap_Sort_G;
43 package body Xr_Tabls is
45 type HTable_Headers is range 1 .. 10000;
47 procedure Set_Next (E : File_Reference; Next : File_Reference);
48 function Next (E : File_Reference) return File_Reference;
49 function Get_Key (E : File_Reference) return Cst_String_Access;
50 function Hash (F : Cst_String_Access) return HTable_Headers;
51 function Equal (F1, F2 : Cst_String_Access) return Boolean;
52 -- The five subprograms above are used to instantiate the static
53 -- htable to store the files that should be processed.
55 package File_HTable is new GNAT.HTable.Static_HTable
56 (Header_Num => HTable_Headers,
57 Element => File_Record,
58 Elmt_Ptr => File_Reference,
62 Key => Cst_String_Access,
66 -- A hash table to store all the files referenced in the
67 -- application. The keys in this htable are the name of the files
68 -- themselves, therefore it is assumed that the source path
69 -- doesn't contain twice the same source or ALI file name
71 type Unvisited_Files_Record;
72 type Unvisited_Files_Access is access Unvisited_Files_Record;
73 type Unvisited_Files_Record is record
74 File : File_Reference;
75 Next : Unvisited_Files_Access;
77 -- A special list, in addition to File_HTable, that only stores
78 -- the files that haven't been visited so far. Note that the File
79 -- list points to some data in File_HTable, and thus should never be freed.
81 function Next (E : Declaration_Reference) return Declaration_Reference;
82 procedure Set_Next (E, Next : Declaration_Reference);
83 function Get_Key (E : Declaration_Reference) return Cst_String_Access;
84 -- The subprograms above are used to instantiate the static
85 -- htable to store the entities that have been found in the application
87 package Entities_HTable is new GNAT.HTable.Static_HTable
88 (Header_Num => HTable_Headers,
89 Element => Declaration_Record,
90 Elmt_Ptr => Declaration_Reference,
94 Key => Cst_String_Access,
98 -- A hash table to store all the entities defined in the
99 -- application. For each entity, we store a list of its reference
100 -- locations as well.
101 -- The keys in this htable should be created with Key_From_Ref,
102 -- and are the file, line and column of the declaration, which are
103 -- unique for every entity.
105 Entities_Count : Natural := 0;
106 -- Number of entities in Entities_HTable. This is used in the end
107 -- when sorting the table.
109 Longest_File_Name_In_Table : Natural := 0;
110 Unvisited_Files : Unvisited_Files_Access := null;
111 Directories : Project_File_Ptr;
112 Default_Match : Boolean := False;
113 -- The above need commenting ???
115 function Parse_Gnatls_Src return String;
116 -- Return the standard source directories (taking into account the
117 -- ADA_INCLUDE_PATH environment variable, if Osint.Add_Default_Search_Dirs
118 -- was called first).
120 function Parse_Gnatls_Obj return String;
121 -- Return the standard object directories (taking into account the
122 -- ADA_OBJECTS_PATH environment variable).
124 function Key_From_Ref
125 (File_Ref : File_Reference;
129 -- Return a key for the symbol declared at File_Ref, Line,
130 -- Column. This key should be used for lookup in Entity_HTable
132 function Is_Less_Than (Decl1, Decl2 : Declaration_Reference) return Boolean;
133 -- Compare two declarations (the comparison is case-insensitive)
135 function Is_Less_Than (Ref1, Ref2 : Reference) return Boolean;
136 -- Compare two references
138 procedure Store_References
139 (Decl : Declaration_Reference;
140 Get_Writes : Boolean := False;
141 Get_Reads : Boolean := False;
142 Get_Bodies : Boolean := False;
143 Get_Declaration : Boolean := False;
144 Arr : in out Reference_Array;
145 Index : in out Natural);
146 -- Store in Arr, starting at Index, all the references to Decl. The Get_*
147 -- parameters can be used to indicate which references should be stored.
148 -- Constraint_Error will be raised if Arr is not big enough.
150 procedure Sort (Arr : in out Reference_Array);
151 -- Sort an array of references (Arr'First must be 1)
157 procedure Set_Next (E : File_Reference; Next : File_Reference) is
163 (E : Declaration_Reference; Next : Declaration_Reference) is
172 function Get_Key (E : File_Reference) return Cst_String_Access is
177 function Get_Key (E : Declaration_Reference) return Cst_String_Access is
186 function Hash (F : Cst_String_Access) return HTable_Headers is
187 function H is new GNAT.HTable.Hash (HTable_Headers);
197 function Equal (F1, F2 : Cst_String_Access) return Boolean is
199 return F1.all = F2.all;
206 function Key_From_Ref
207 (File_Ref : File_Reference;
213 return File_Ref.File.all & Natural'Image (Line) & Natural'Image (Column);
216 ---------------------
217 -- Add_Declaration --
218 ---------------------
220 function Add_Declaration
221 (File_Ref : File_Reference;
225 Decl_Type : Character;
226 Remove_Only : Boolean := False;
227 Symbol_Match : Boolean := True)
228 return Declaration_Reference
230 procedure Unchecked_Free is new Ada.Unchecked_Deallocation
231 (Declaration_Record, Declaration_Reference);
233 Key : aliased constant String := Key_From_Ref (File_Ref, Line, Column);
235 New_Decl : Declaration_Reference :=
236 Entities_HTable.Get (Key'Unchecked_Access);
238 Is_Parameter : Boolean := False;
241 -- Insert the Declaration in the table. There might already be a
242 -- declaration in the table if the entity is a parameter, so we
243 -- need to check that first.
245 if New_Decl /= null and then New_Decl.Symbol_Length = 0 then
246 Is_Parameter := New_Decl.Is_Parameter;
247 Entities_HTable.Remove (Key'Unrestricted_Access);
248 Entities_Count := Entities_Count - 1;
250 Unchecked_Free (New_Decl);
254 -- The declaration might also already be there for parent types. In
255 -- this case, we should keep the entry, since some other entries are
259 and then not Remove_Only
262 new Declaration_Record'
263 (Symbol_Length => Symbol'Length,
265 Key => new String'(Key),
266 Decl => new Reference_Record'
272 Is_Parameter => Is_Parameter,
273 Decl_Type => Decl_Type,
277 Match => Symbol_Match
280 or else Match (File_Ref, Line, Column)),
284 Entities_HTable.Set (New_Decl);
285 Entities_Count := Entities_Count + 1;
287 if New_Decl.Match then
288 Longest_File_Name_In_Table :=
289 Natural'Max (File_Ref.File'Length, Longest_File_Name_In_Table);
292 elsif New_Decl /= null
293 and then not New_Decl.Match
295 New_Decl.Match := Default_Match
296 or else Match (File_Ref, Line, Column);
302 ----------------------
303 -- Add_To_Xref_File --
304 ----------------------
306 function Add_To_Xref_File
308 Visited : Boolean := True;
309 Emit_Warning : Boolean := False;
310 Gnatchop_File : String := "";
311 Gnatchop_Offset : Integer := 0) return File_Reference
313 Base : aliased constant String := Base_Name (File_Name);
314 Dir : constant String := Dir_Name (File_Name);
315 Dir_Acc : GNAT.OS_Lib.String_Access := null;
316 Ref : File_Reference;
319 -- Do we have a directory name as well?
321 if File_Name /= Base then
322 Dir_Acc := new String'(Dir);
325 Ref := File_HTable.Get (Base'Unchecked_Access);
327 Ref := new File_Record'
328 (File => new String'(Base),
332 Emit_Warning => Emit_Warning,
333 Gnatchop_File => new String'(Gnatchop_File),
334 Gnatchop_Offset => Gnatchop_Offset,
336 File_HTable.Set (Ref);
340 -- Keep a separate list for faster access
346 end Add_To_Xref_File;
353 (File : File_Reference;
358 File.Lines := new Ref_In_File'(Line => Line,
368 (Declaration : in out Declaration_Reference;
372 File_Ref : File_Reference)
375 Declaration.Par_Symbol :=
377 (File_Ref, Symbol, Line, Column,
379 Symbol_Match => False);
386 procedure Add_Reference
387 (Declaration : Declaration_Reference;
388 File_Ref : File_Reference;
391 Ref_Type : Character;
392 Labels_As_Ref : Boolean)
398 when 'b' | 'c' | 'm' | 'r' | 'R' | 'i' | ' ' | 'x' =>
402 if not Labels_As_Ref then
406 when '=' | '<' | '>' | '^' =>
408 -- Create a dummy declaration in the table to report it as a
409 -- parameter. Note that the current declaration for the subprogram
410 -- comes before the declaration of the parameter.
413 Key : constant String :=
414 Key_From_Ref (File_Ref, Line, Column);
415 New_Decl : Declaration_Reference;
418 New_Decl := new Declaration_Record'
421 Key => new String'(Key),
423 Is_Parameter => True,
431 Entities_HTable.Set (New_Decl);
432 Entities_Count := Entities_Count + 1;
435 when 'e' | 'z' | 't' | 'p' | 'P' | 'k' | 'd' =>
439 Ada.Text_IO.Put_Line ("Unknown reference type: " & Ref_Type);
443 New_Ref := new Reference_Record'
450 -- We can insert the reference in the list directly, since all
451 -- the references will appear only once in the ALI file
452 -- corresponding to the file where they are referenced.
453 -- This saves a lot of time compared to checking the list to check
458 New_Ref.Next := Declaration.Body_Ref;
459 Declaration.Body_Ref := New_Ref;
461 when 'r' | 'R' | 'i' | 'l' | ' ' | 'x' | 'w' =>
462 New_Ref.Next := Declaration.Ref_Ref;
463 Declaration.Ref_Ref := New_Ref;
466 New_Ref.Next := Declaration.Modif_Ref;
467 Declaration.Modif_Ref := New_Ref;
473 if not Declaration.Match then
474 Declaration.Match := Match (File_Ref, Line, Column);
477 if Declaration.Match then
478 Longest_File_Name_In_Table :=
479 Natural'Max (File_Ref.File'Length, Longest_File_Name_In_Table);
487 function ALI_File_Name (Ada_File_Name : String) return String is
489 -- ??? Should ideally be based on the naming scheme defined in
492 Index : constant Natural :=
493 Ada.Strings.Fixed.Index
494 (Ada_File_Name, ".", Going => Ada.Strings.Backward);
498 return Ada_File_Name (Ada_File_Name'First .. Index)
499 & Osint.ALI_Suffix.all;
501 return Ada_File_Name & "." & Osint.ALI_Suffix.all;
509 function Is_Less_Than (Ref1, Ref2 : Reference) return Boolean is
513 elsif Ref2 = null then
517 if Ref1.File.File.all < Ref2.File.File.all then
520 elsif Ref1.File.File.all = Ref2.File.File.all then
521 return (Ref1.Line < Ref2.Line
522 or else (Ref1.Line = Ref2.Line
523 and then Ref1.Column < Ref2.Column));
533 function Is_Less_Than (Decl1, Decl2 : Declaration_Reference) return Boolean
535 -- We cannot store the data case-insensitive in the table,
536 -- since we wouldn't be able to find the right casing for the
539 S1 : constant String := To_Lower (Decl1.Symbol);
540 S2 : constant String := To_Lower (Decl2.Symbol);
549 return Decl1.Key.all < Decl2.Key.all;
552 -------------------------
553 -- Create_Project_File --
554 -------------------------
556 procedure Create_Project_File (Name : String) is
557 Obj_Dir : Unbounded_String := Null_Unbounded_String;
558 Src_Dir : Unbounded_String := Null_Unbounded_String;
559 Build_Dir : GNAT.OS_Lib.String_Access := new String'("");
563 File_Name : aliased String := Name & ASCII.NUL;
566 -- Read the size of the file
568 F := Open_Read (File_Name'Address, Text);
570 -- Project file not found
572 if F /= Invalid_FD then
573 Len := Positive (File_Length (F));
576 Buffer : String (1 .. Len);
577 Index : Positive := Buffer'First;
581 Len := Read (F, Buffer'Address, Len);
584 -- First, look for Build_Dir, since all the source and object
585 -- path are relative to it.
587 while Index <= Buffer'Last loop
589 -- Find the end of line
592 while Last <= Buffer'Last
593 and then Buffer (Last) /= ASCII.LF
594 and then Buffer (Last) /= ASCII.CR
599 if Index <= Buffer'Last - 9
600 and then Buffer (Index .. Index + 9) = "build_dir="
604 and then (Buffer (Index) = ' '
605 or else Buffer (Index) = ASCII.HT)
611 Build_Dir := new String'(Buffer (Index .. Last - 1));
616 -- In case we had a ASCII.CR/ASCII.LF end of line, skip the
619 if Index <= Buffer'Last
620 and then Buffer (Index) = ASCII.LF
626 -- Now parse the source and object paths
628 Index := Buffer'First;
629 while Index <= Buffer'Last loop
631 -- Find the end of line
634 while Last <= Buffer'Last
635 and then Buffer (Last) /= ASCII.LF
636 and then Buffer (Last) /= ASCII.CR
641 if Index <= Buffer'Last - 7
642 and then Buffer (Index .. Index + 7) = "src_dir="
644 Append (Src_Dir, Normalize_Pathname
645 (Name => Ada.Strings.Fixed.Trim
646 (Buffer (Index + 8 .. Last - 1), Ada.Strings.Both),
647 Directory => Build_Dir.all) & Path_Separator);
649 elsif Index <= Buffer'Last - 7
650 and then Buffer (Index .. Index + 7) = "obj_dir="
652 Append (Obj_Dir, Normalize_Pathname
653 (Name => Ada.Strings.Fixed.Trim
654 (Buffer (Index + 8 .. Last - 1), Ada.Strings.Both),
655 Directory => Build_Dir.all) & Path_Separator);
658 -- In case we had a ASCII.CR/ASCII.LF end of line, skip the
662 if Index <= Buffer'Last
663 and then Buffer (Index) = ASCII.LF
671 Osint.Add_Default_Search_Dirs;
674 Src : constant String := Parse_Gnatls_Src;
675 Obj : constant String := Parse_Gnatls_Obj;
678 Directories := new Project_File'
679 (Src_Dir_Length => Length (Src_Dir) + Src'Length,
680 Obj_Dir_Length => Length (Obj_Dir) + Obj'Length,
681 Src_Dir => To_String (Src_Dir) & Src,
682 Obj_Dir => To_String (Obj_Dir) & Obj,
685 Last_Obj_Dir_Start => 0);
689 end Create_Project_File;
691 ---------------------
692 -- Current_Obj_Dir --
693 ---------------------
695 function Current_Obj_Dir return String is
697 return Directories.Obj_Dir
698 (Directories.Last_Obj_Dir_Start .. Directories.Obj_Dir_Index - 2);
705 function Get_Column (Decl : Declaration_Reference) return String is
707 return Ada.Strings.Fixed.Trim (Natural'Image (Decl.Decl.Column),
711 function Get_Column (Ref : Reference) return String is
713 return Ada.Strings.Fixed.Trim (Natural'Image (Ref.Column),
717 ---------------------
718 -- Get_Declaration --
719 ---------------------
721 function Get_Declaration
722 (File_Ref : File_Reference;
725 return Declaration_Reference
727 Key : aliased constant String := Key_From_Ref (File_Ref, Line, Column);
730 return Entities_HTable.Get (Key'Unchecked_Access);
733 ----------------------
734 -- Get_Emit_Warning --
735 ----------------------
737 function Get_Emit_Warning (File : File_Reference) return Boolean is
739 return File.Emit_Warning;
740 end Get_Emit_Warning;
747 (Decl : Declaration_Reference;
748 With_Dir : Boolean := False) return String
751 return Get_File (Decl.Decl.File, With_Dir);
756 With_Dir : Boolean := False) return String
759 return Get_File (Ref.File, With_Dir);
763 (File : File_Reference;
764 With_Dir : Boolean := False;
765 Strip : Natural := 0) return String
767 Tmp : GNAT.OS_Lib.String_Access;
769 function Internal_Strip (Full_Name : String) return String;
770 -- Internal function to process the Strip parameter
776 function Internal_Strip (Full_Name : String) return String is
778 Extension_Start : Natural;
786 -- Isolate the file extension
788 Extension_Start := Full_Name'Last;
789 while Extension_Start >= Full_Name'First
790 and then Full_Name (Extension_Start) /= '.'
792 Extension_Start := Extension_Start - 1;
795 -- Strip the right number of subunit_names
798 Unit_End := Extension_Start - 1;
799 while Unit_End >= Full_Name'First
802 if Full_Name (Unit_End) = '-' then
806 Unit_End := Unit_End - 1;
809 if Unit_End < Full_Name'First then
812 return Full_Name (Full_Name'First .. Unit_End)
813 & Full_Name (Extension_Start .. Full_Name'Last);
817 -- Start of processing for Get_File;
820 -- If we do not want the full path name
823 return Internal_Strip (File.File.all);
826 if File.Dir = null then
827 if Ada.Strings.Fixed.Tail (File.File.all, 3) =
830 Tmp := Locate_Regular_File
831 (Internal_Strip (File.File.all), Directories.Obj_Dir);
833 Tmp := Locate_Regular_File
834 (File.File.all, Directories.Src_Dir);
838 File.Dir := new String'("");
840 File.Dir := new String'(Dir_Name (Tmp.all));
845 return Internal_Strip (File.Dir.all & File.File.all);
852 function Get_File_Ref (Ref : Reference) return File_Reference is
857 -----------------------
858 -- Get_Gnatchop_File --
859 -----------------------
861 function Get_Gnatchop_File
862 (File : File_Reference;
863 With_Dir : Boolean := False)
867 if File.Gnatchop_File.all = "" then
868 return Get_File (File, With_Dir);
870 return File.Gnatchop_File.all;
872 end Get_Gnatchop_File;
874 function Get_Gnatchop_File
876 With_Dir : Boolean := False)
880 return Get_Gnatchop_File (Ref.File, With_Dir);
881 end Get_Gnatchop_File;
883 function Get_Gnatchop_File
884 (Decl : Declaration_Reference;
885 With_Dir : Boolean := False)
889 return Get_Gnatchop_File (Decl.Decl.File, With_Dir);
890 end Get_Gnatchop_File;
896 function Get_Line (Decl : Declaration_Reference) return String is
898 return Ada.Strings.Fixed.Trim (Natural'Image (Decl.Decl.Line),
902 function Get_Line (Ref : Reference) return String is
904 return Ada.Strings.Fixed.Trim (Natural'Image (Ref.Line),
913 (Decl : Declaration_Reference)
914 return Declaration_Reference
917 return Decl.Par_Symbol;
920 ---------------------
921 -- Get_Source_Line --
922 ---------------------
924 function Get_Source_Line (Ref : Reference) return String is
926 if Ref.Source_Line /= null then
927 return Ref.Source_Line.all;
933 function Get_Source_Line (Decl : Declaration_Reference) return String is
935 if Decl.Decl.Source_Line /= null then
936 return Decl.Decl.Source_Line.all;
946 function Get_Symbol (Decl : Declaration_Reference) return String is
955 function Get_Type (Decl : Declaration_Reference) return Character is
957 return Decl.Decl_Type;
964 procedure Sort (Arr : in out Reference_Array) is
967 function Lt (Op1, Op2 : Natural) return Boolean;
968 procedure Move (From, To : Natural);
969 -- See GNAT.Heap_Sort_G
975 function Lt (Op1, Op2 : Natural) return Boolean is
978 return Is_Less_Than (Tmp, Arr (Op2));
980 return Is_Less_Than (Arr (Op1), Tmp);
982 return Is_Less_Than (Arr (Op1), Arr (Op2));
990 procedure Move (From, To : Natural) is
997 Arr (To) := Arr (From);
1001 package Ref_Sort is new GNAT.Heap_Sort_G (Move, Lt);
1003 -- Start of processing for Sort
1006 Ref_Sort.Sort (Arr'Last);
1009 -----------------------
1010 -- Grep_Source_Files --
1011 -----------------------
1013 procedure Grep_Source_Files is
1014 Length : Natural := 0;
1015 Decl : Declaration_Reference := Entities_HTable.Get_First;
1016 Arr : Reference_Array_Access;
1018 End_Index : Natural;
1019 Current_File : File_Reference;
1020 Current_Line : Cst_String_Access;
1021 Buffer : GNAT.OS_Lib.String_Access;
1026 -- Create a temporary array, where all references will be
1027 -- sorted by files. This way, we only have to read the source
1030 while Decl /= null loop
1032 -- Add 1 for the declaration itself
1034 Length := Length + References_Count (Decl, True, True, True) + 1;
1035 Decl := Entities_HTable.Get_Next;
1038 Arr := new Reference_Array (1 .. Length);
1041 Decl := Entities_HTable.Get_First;
1042 while Decl /= null loop
1043 Store_References (Decl, True, True, True, True, Arr.all, Index);
1044 Decl := Entities_HTable.Get_Next;
1049 -- Now traverse the whole array and find the appropriate source
1052 for R in Arr'Range loop
1055 if Ref.File /= Current_File then
1058 Read_File (Get_File (Ref.File, With_Dir => True), Buffer);
1059 End_Index := Buffer'First - 1;
1062 when Ada.Text_IO.Name_Error | Ada.Text_IO.End_Error =>
1063 Line := Natural'Last;
1065 Current_File := Ref.File;
1068 if Ref.Line > Line then
1070 -- Do not free Current_Line, it is referenced by the last
1071 -- Ref we processed.
1074 Index := End_Index + 1;
1077 End_Index := End_Index + 1;
1078 exit when End_Index > Buffer'Last
1079 or else Buffer (End_Index) = ASCII.LF;
1082 -- Skip spaces at beginning of line
1084 while Index < End_Index and then
1085 (Buffer (Index) = ' ' or else Buffer (Index) = ASCII.HT)
1091 exit when Ref.Line = Line;
1094 Current_Line := new String'(Buffer (Index .. End_Index - 1));
1097 Ref.Source_Line := Current_Line;
1102 end Grep_Source_Files;
1109 (File_Name : String;
1110 Contents : out GNAT.OS_Lib.String_Access)
1112 Name_0 : constant String := File_Name & ASCII.NUL;
1113 FD : constant File_Descriptor := Open_Read (Name_0'Address, Binary);
1117 if FD = Invalid_FD then
1118 raise Ada.Text_IO.Name_Error;
1121 -- Include room for EOF char
1123 Length := Natural (File_Length (FD));
1126 Buffer : String (1 .. Length + 1);
1127 This_Read : Integer;
1128 Read_Ptr : Natural := 1;
1132 This_Read := Read (FD,
1133 A => Buffer (Read_Ptr)'Address,
1134 N => Length + 1 - Read_Ptr);
1135 Read_Ptr := Read_Ptr + Integer'Max (This_Read, 0);
1136 exit when This_Read <= 0;
1139 Buffer (Read_Ptr) := EOF;
1140 Contents := new String'(Buffer (1 .. Read_Ptr));
1142 -- Things are not simple on VMS due to the plethora of file types
1143 -- and organizations. It seems clear that there shouldn't be more
1144 -- bytes read than are contained in the file though.
1146 if (Hostparm.OpenVMS and then Read_Ptr > Length + 1)
1147 or else (not Hostparm.OpenVMS and then Read_Ptr /= Length + 1)
1149 raise Ada.Text_IO.End_Error;
1156 -----------------------
1157 -- Longest_File_Name --
1158 -----------------------
1160 function Longest_File_Name return Natural is
1162 return Longest_File_Name_In_Table;
1163 end Longest_File_Name;
1170 (File : File_Reference;
1175 Ref : Ref_In_File_Ptr := File.Lines;
1178 while Ref /= null loop
1179 if (Ref.Line = 0 or else Ref.Line = Line)
1180 and then (Ref.Column = 0 or else Ref.Column = Column)
1195 function Match (Decl : Declaration_Reference) return Boolean is
1204 function Next (E : File_Reference) return File_Reference is
1209 function Next (E : Declaration_Reference) return Declaration_Reference is
1218 function Next_Obj_Dir return String is
1219 First : constant Integer := Directories.Obj_Dir_Index;
1223 Last := Directories.Obj_Dir_Index;
1225 if Last > Directories.Obj_Dir_Length then
1226 return String'(1 .. 0 => ' ');
1229 while Directories.Obj_Dir (Last) /= Path_Separator loop
1233 Directories.Obj_Dir_Index := Last + 1;
1234 Directories.Last_Obj_Dir_Start := First;
1235 return Directories.Obj_Dir (First .. Last - 1);
1238 -------------------------
1239 -- Next_Unvisited_File --
1240 -------------------------
1242 function Next_Unvisited_File return File_Reference is
1243 procedure Unchecked_Free is new Ada.Unchecked_Deallocation
1244 (Unvisited_Files_Record, Unvisited_Files_Access);
1246 Ref : File_Reference;
1247 Tmp : Unvisited_Files_Access;
1250 if Unvisited_Files = null then
1253 Tmp := Unvisited_Files;
1254 Ref := Unvisited_Files.File;
1255 Unvisited_Files := Unvisited_Files.Next;
1256 Unchecked_Free (Tmp);
1259 end Next_Unvisited_File;
1261 ----------------------
1262 -- Parse_Gnatls_Src --
1263 ----------------------
1265 function Parse_Gnatls_Src return String is
1270 for J in 1 .. Osint.Nb_Dir_In_Src_Search_Path loop
1271 if Osint.Dir_In_Src_Search_Path (J)'Length = 0 then
1272 Length := Length + 2;
1274 Length := Length + Osint.Dir_In_Src_Search_Path (J)'Length + 1;
1279 Result : String (1 .. Length);
1284 for J in 1 .. Osint.Nb_Dir_In_Src_Search_Path loop
1285 if Osint.Dir_In_Src_Search_Path (J)'Length = 0 then
1286 Result (L .. L + 1) := "." & Path_Separator;
1290 Result (L .. L + Osint.Dir_In_Src_Search_Path (J)'Length - 1) :=
1291 Osint.Dir_In_Src_Search_Path (J).all;
1292 L := L + Osint.Dir_In_Src_Search_Path (J)'Length;
1293 Result (L) := Path_Separator;
1300 end Parse_Gnatls_Src;
1302 ----------------------
1303 -- Parse_Gnatls_Obj --
1304 ----------------------
1306 function Parse_Gnatls_Obj return String is
1311 for J in 1 .. Osint.Nb_Dir_In_Obj_Search_Path loop
1312 if Osint.Dir_In_Obj_Search_Path (J)'Length = 0 then
1313 Length := Length + 2;
1315 Length := Length + Osint.Dir_In_Obj_Search_Path (J)'Length + 1;
1320 Result : String (1 .. Length);
1325 for J in 1 .. Osint.Nb_Dir_In_Obj_Search_Path loop
1326 if Osint.Dir_In_Obj_Search_Path (J)'Length = 0 then
1327 Result (L .. L + 1) := "." & Path_Separator;
1330 Result (L .. L + Osint.Dir_In_Obj_Search_Path (J)'Length - 1) :=
1331 Osint.Dir_In_Obj_Search_Path (J).all;
1332 L := L + Osint.Dir_In_Obj_Search_Path (J)'Length;
1333 Result (L) := Path_Separator;
1340 end Parse_Gnatls_Obj;
1346 procedure Reset_Obj_Dir is
1348 Directories.Obj_Dir_Index := 1;
1351 -----------------------
1352 -- Set_Default_Match --
1353 -----------------------
1355 procedure Set_Default_Match (Value : Boolean) is
1357 Default_Match := Value;
1358 end Set_Default_Match;
1364 procedure Free (Str : in out Cst_String_Access) is
1365 function Convert is new Ada.Unchecked_Conversion
1366 (Cst_String_Access, GNAT.OS_Lib.String_Access);
1368 S : GNAT.OS_Lib.String_Access := Convert (Str);
1375 ---------------------
1376 -- Reset_Directory --
1377 ---------------------
1379 procedure Reset_Directory (File : File_Reference) is
1382 end Reset_Directory;
1388 procedure Set_Unvisited (File_Ref : File_Reference) is
1389 F : constant String := Get_File (File_Ref, With_Dir => False);
1392 File_Ref.Visited := False;
1394 -- ??? Do not add a source file to the list. This is true at
1395 -- least for gnatxref, and probably for gnatfind as well
1398 and then F (F'Last - 3 .. F'Last) = "." & Osint.ALI_Suffix.all
1400 Unvisited_Files := new Unvisited_Files_Record'
1402 Next => Unvisited_Files);
1406 ----------------------
1407 -- Get_Declarations --
1408 ----------------------
1410 function Get_Declarations
1411 (Sorted : Boolean := True)
1412 return Declaration_Array_Access
1414 Arr : constant Declaration_Array_Access :=
1415 new Declaration_Array (1 .. Entities_Count);
1416 Decl : Declaration_Reference := Entities_HTable.Get_First;
1417 Index : Natural := Arr'First;
1418 Tmp : Declaration_Reference;
1420 procedure Move (From : Natural; To : Natural);
1421 function Lt (Op1, Op2 : Natural) return Boolean;
1422 -- See GNAT.Heap_Sort_G
1428 function Lt (Op1, Op2 : Natural) return Boolean is
1431 return Is_Less_Than (Tmp, Arr (Op2));
1433 return Is_Less_Than (Arr (Op1), Tmp);
1435 return Is_Less_Than (Arr (Op1), Arr (Op2));
1443 procedure Move (From : Natural; To : Natural) is
1450 Arr (To) := Arr (From);
1454 package Decl_Sort is new GNAT.Heap_Sort_G (Move, Lt);
1456 -- Start of processing for Get_Declarations
1459 while Decl /= null loop
1460 Arr (Index) := Decl;
1462 Decl := Entities_HTable.Get_Next;
1465 if Sorted and then Arr'Length /= 0 then
1466 Decl_Sort.Sort (Entities_Count);
1470 end Get_Declarations;
1472 ----------------------
1473 -- References_Count --
1474 ----------------------
1476 function References_Count
1477 (Decl : Declaration_Reference;
1478 Get_Reads : Boolean := False;
1479 Get_Writes : Boolean := False;
1480 Get_Bodies : Boolean := False)
1483 function List_Length (E : Reference) return Natural;
1484 -- Return the number of references in E
1490 function List_Length (E : Reference) return Natural is
1492 E1 : Reference := E;
1495 while E1 /= null loop
1503 Length : Natural := 0;
1505 -- Start of processing for References_Count
1509 Length := List_Length (Decl.Ref_Ref);
1513 Length := Length + List_Length (Decl.Modif_Ref);
1517 Length := Length + List_Length (Decl.Body_Ref);
1521 end References_Count;
1523 ----------------------
1524 -- Store_References --
1525 ----------------------
1527 procedure Store_References
1528 (Decl : Declaration_Reference;
1529 Get_Writes : Boolean := False;
1530 Get_Reads : Boolean := False;
1531 Get_Bodies : Boolean := False;
1532 Get_Declaration : Boolean := False;
1533 Arr : in out Reference_Array;
1534 Index : in out Natural)
1536 procedure Add (List : Reference);
1537 -- Add all the references in List to Arr
1543 procedure Add (List : Reference) is
1544 E : Reference := List;
1546 while E /= null loop
1553 -- Start of processing for Store_References
1556 if Get_Declaration then
1565 Add (Decl.Modif_Ref);
1569 Add (Decl.Body_Ref);
1571 end Store_References;
1573 --------------------
1574 -- Get_References --
1575 --------------------
1577 function Get_References
1578 (Decl : Declaration_Reference;
1579 Get_Reads : Boolean := False;
1580 Get_Writes : Boolean := False;
1581 Get_Bodies : Boolean := False)
1582 return Reference_Array_Access
1584 Length : constant Natural :=
1585 References_Count (Decl, Get_Reads, Get_Writes, Get_Bodies);
1587 Arr : constant Reference_Array_Access :=
1588 new Reference_Array (1 .. Length);
1590 Index : Natural := Arr'First;
1595 Get_Writes => Get_Writes,
1596 Get_Reads => Get_Reads,
1597 Get_Bodies => Get_Bodies,
1598 Get_Declaration => False,
1602 if Arr'Length /= 0 then
1613 procedure Free (Arr : in out Reference_Array_Access) is
1614 procedure Internal is new Ada.Unchecked_Deallocation
1615 (Reference_Array, Reference_Array_Access);
1624 function Is_Parameter (Decl : Declaration_Reference) return Boolean is
1626 return Decl.Is_Parameter;