| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- X R E F _ L I B -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- $Revision: 1.55 $ |
| -- -- |
| -- Copyright (C) 1998-2001 Free Software Foundation, Inc. -- |
| -- -- |
| -- GNAT is free software; you can redistribute it and/or modify it under -- |
| -- terms of the GNU General Public License as published by the Free Soft- -- |
| -- ware Foundation; either version 2, or (at your option) any later ver- -- |
| -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- |
| -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- |
| -- for more details. You should have received a copy of the GNU General -- |
| -- Public License distributed with GNAT; see file COPYING. If not, write -- |
| -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- |
| -- MA 02111-1307, USA. -- |
| -- -- |
| -- GNAT is maintained by Ada Core Technologies Inc (http://www.gnat.com). -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| with Ada.Strings.Fixed; use Ada.Strings.Fixed; |
| with GNAT.Command_Line; use GNAT.Command_Line; |
| with GNAT.IO_Aux; use GNAT.IO_Aux; |
| with Osint; |
| with Output; use Output; |
| with Types; use Types; |
| with Unchecked_Deallocation; |
| |
| package body Xref_Lib is |
| |
| Type_Position : constant := 50; |
| -- Column for label identifying type of entity |
| |
| --------------------- |
| -- Local Variables -- |
| --------------------- |
| |
| D : constant Character := 'D'; |
| X : constant Character := 'X'; |
| W : constant Character := 'W'; |
| Dot : constant Character := '.'; |
| |
| Pipe : constant Character := '|'; |
| -- First character on xref lines in the .ali file |
| |
| EOF : constant Character := ASCII.SUB; |
| -- Special character to signal end of file. Not required in input file, |
| -- but should be properly treated if present. See also Read_File. |
| |
| No_Xref_Information : exception; |
| -- Exception raised when there is no cross-referencing information in |
| -- the .ali files |
| |
| subtype File_Offset is Natural; |
| |
| function End_Of_Line_Index (File : ALI_File) return Integer; |
| -- Returns the index of the last character of the current_line |
| |
| procedure Read_File |
| (FD : File_Descriptor; |
| Contents : out String_Access; |
| Success : out Boolean); |
| -- Reads file associated with FS into the newly allocated |
| -- string Contents. An EOF character will be added to the |
| -- returned Contents to simplify parsing. |
| -- [VMS] Success is true iff the number of bytes read is less than or |
| -- equal to the file size. |
| -- [Other] Success is true iff the number of bytes read is equal to |
| -- the file size. |
| |
| procedure Parse_EOL (Source : access String; Ptr : in out Positive); |
| -- On return Source (Ptr) is the first character of the next line |
| -- or EOF. Source.all must be terminated by EOF. |
| |
| procedure Parse_Identifier_Info |
| (Pattern : Search_Pattern; |
| File : in out ALI_File; |
| Local_Symbols : Boolean; |
| Der_Info : Boolean := False; |
| Type_Tree : Boolean := False; |
| Wide_Search : Boolean := True); |
| -- Output the file and the line where the identifier was referenced, |
| -- If Local_Symbols is False then only the publicly visible symbols |
| -- will be processed |
| |
| procedure Parse_Token |
| (Source : access String; |
| Ptr : in out Positive; |
| Token_Ptr : out Positive); |
| -- Skips any separators and stores the start of the token in Token_Ptr. |
| -- Then stores the position of the next separator in Ptr. |
| -- On return Source (Token_Ptr .. Ptr - 1) is the token. |
| -- Separators are space and ASCII.HT. |
| -- Parse_Token will never skip to the next line. |
| |
| procedure Parse_Number |
| (Source : access String; |
| Ptr : in out Positive; |
| Number : out Natural); |
| -- Skips any separators and parses Source upto the first character that |
| -- is not a decimal digit. Returns value of parsed digits or 0 if none. |
| |
| procedure Parse_X_Filename (File : in out ALI_File); |
| -- Reads and processes "X..." lines in the ALI file |
| -- and updates the File.X_File information. |
| |
| ---------------- |
| -- Add_Entity -- |
| ---------------- |
| |
| procedure Add_Entity |
| (Pattern : in out Search_Pattern; |
| Entity : String; |
| Glob : Boolean := False) |
| is |
| File_Start : Natural; |
| Line_Start : Natural; |
| Col_Start : Natural; |
| Line_Num : Natural := 0; |
| Col_Num : Natural := 0; |
| File_Ref : File_Reference := Empty_File; |
| File_Existed : Boolean; |
| Has_Pattern : Boolean := False; |
| |
| begin |
| -- Find the end of the first item in Entity (pattern or file?) |
| -- If there is no ':', we only have a pattern |
| |
| File_Start := Index (Entity, ":"); |
| if File_Start = 0 then |
| |
| -- If the regular expression is invalid, just consider it as a string |
| |
| begin |
| Pattern.Entity := Compile (Entity, Glob, False); |
| Pattern.Initialized := True; |
| |
| exception |
| when Error_In_Regexp => |
| |
| -- The basic idea is to insert a \ before every character |
| |
| declare |
| Tmp_Regexp : String (1 .. 2 * Entity'Length); |
| Index : Positive := 1; |
| |
| begin |
| for J in Entity'Range loop |
| Tmp_Regexp (Index) := '\'; |
| Tmp_Regexp (Index + 1) := Entity (J); |
| Index := Index + 2; |
| end loop; |
| |
| Pattern.Entity := Compile (Tmp_Regexp, True, False); |
| Pattern.Initialized := True; |
| end; |
| end; |
| |
| Set_Default_Match (True); |
| return; |
| end if; |
| |
| -- If there is a dot in the pattern, then it is a file name |
| |
| if (Glob and then |
| Index (Entity (Entity'First .. File_Start - 1), ".") /= 0) |
| or else |
| (not Glob |
| and then Index (Entity (Entity'First .. File_Start - 1), |
| "\.") /= 0) |
| then |
| Pattern.Entity := Compile (".*", False); |
| Pattern.Initialized := True; |
| File_Start := Entity'First; |
| |
| else |
| -- If the regular expression is invalid, |
| -- just consider it as a string |
| |
| begin |
| Pattern.Entity := |
| Compile (Entity (Entity'First .. File_Start - 1), Glob, False); |
| Pattern.Initialized := True; |
| |
| exception |
| when Error_In_Regexp => |
| |
| -- The basic idea is to insert a \ before every character |
| |
| declare |
| Tmp_Regexp : String (1 .. 2 * (File_Start - Entity'First)); |
| Index : Positive := 1; |
| |
| begin |
| for J in Entity'First .. File_Start - 1 loop |
| Tmp_Regexp (Index) := '\'; |
| Tmp_Regexp (Index + 1) := Entity (J); |
| Index := Index + 2; |
| end loop; |
| |
| Pattern.Entity := Compile (Tmp_Regexp, True, False); |
| Pattern.Initialized := True; |
| end; |
| end; |
| |
| File_Start := File_Start + 1; |
| Has_Pattern := True; |
| end if; |
| |
| -- Parse the file name |
| |
| Line_Start := Index (Entity (File_Start .. Entity'Last), ":"); |
| |
| -- Check if it was a disk:\directory item (for NT and OS/2) |
| |
| if File_Start = Line_Start - 1 |
| and then Line_Start < Entity'Last |
| and then Entity (Line_Start + 1) = '\' |
| then |
| Line_Start := Index (Entity (Line_Start + 1 .. Entity'Last), ":"); |
| end if; |
| |
| if Line_Start = 0 then |
| Line_Start := Entity'Length + 1; |
| |
| elsif Line_Start /= Entity'Last then |
| Col_Start := Index (Entity (Line_Start + 1 .. Entity'Last), ":"); |
| |
| if Col_Start = 0 then |
| Col_Start := Entity'Last + 1; |
| end if; |
| |
| if Col_Start > Line_Start + 1 then |
| begin |
| Line_Num := Natural'Value |
| (Entity (Line_Start + 1 .. Col_Start - 1)); |
| |
| exception |
| when Constraint_Error => |
| raise Invalid_Argument; |
| end; |
| end if; |
| |
| if Col_Start < Entity'Last then |
| begin |
| Col_Num := Natural'Value (Entity |
| (Col_Start + 1 .. Entity'Last)); |
| |
| exception |
| when Constraint_Error => raise Invalid_Argument; |
| end; |
| end if; |
| end if; |
| |
| Add_File (Entity (File_Start .. Line_Start - 1), |
| File_Existed, |
| File_Ref, |
| Visited => True); |
| Add_Line (File_Ref, Line_Num, Col_Num); |
| Add_File |
| (ALI_File_Name (Entity (File_Start .. Line_Start - 1)), |
| File_Existed, File_Ref, |
| Visited => False, |
| Emit_Warning => True); |
| end Add_Entity; |
| |
| -------------- |
| -- Add_File -- |
| -------------- |
| |
| procedure Add_File (File : String) is |
| File_Ref : File_Reference := Empty_File; |
| File_Existed : Boolean; |
| Iterator : Expansion_Iterator; |
| |
| procedure Add_File_Internal (File : String); |
| -- Do the actual addition of the file |
| |
| ----------------------- |
| -- Add_File_Internal -- |
| ----------------------- |
| |
| procedure Add_File_Internal (File : String) is |
| begin |
| -- Case where we have an ALI file, accept it even though this is |
| -- not official usage, since the intention is obvious |
| |
| if Tail (File, 4) = ".ali" then |
| Add_File |
| (File, |
| File_Existed, |
| File_Ref, |
| Visited => False, |
| Emit_Warning => True); |
| |
| -- Normal non-ali file case |
| |
| else |
| Add_File |
| (File, |
| File_Existed, |
| File_Ref, |
| Visited => True); |
| |
| Add_File |
| (ALI_File_Name (File), |
| File_Existed, |
| File_Ref, |
| Visited => False, |
| Emit_Warning => True); |
| end if; |
| end Add_File_Internal; |
| |
| -- Start of processing for Add_File |
| |
| begin |
| -- Check if we need to do the expansion |
| |
| if Ada.Strings.Fixed.Index (File, "*") /= 0 |
| or else Ada.Strings.Fixed.Index (File, "?") /= 0 |
| then |
| Start_Expansion (Iterator, File); |
| |
| loop |
| declare |
| S : constant String := Expansion (Iterator); |
| |
| begin |
| exit when S'Length = 0; |
| Add_File_Internal (S); |
| end; |
| end loop; |
| |
| else |
| Add_File_Internal (File); |
| end if; |
| end Add_File; |
| |
| ----------------------- |
| -- Current_Xref_File -- |
| ----------------------- |
| |
| function Current_Xref_File (File : ALI_File) return File_Reference is |
| begin |
| return File.X_File; |
| end Current_Xref_File; |
| |
| -------------------------- |
| -- Default_Project_File -- |
| -------------------------- |
| |
| function Default_Project_File |
| (Dir_Name : String) |
| return String |
| is |
| My_Dir : Dir_Type; |
| Dir_Ent : File_Name_String; |
| Last : Natural; |
| |
| begin |
| Open (My_Dir, Dir_Name); |
| |
| loop |
| Read (My_Dir, Dir_Ent, Last); |
| exit when Last = 0; |
| |
| if Tail (Dir_Ent (1 .. Last), 4) = ".adp" then |
| |
| -- The first project file found is the good one. |
| |
| Close (My_Dir); |
| return Dir_Ent (1 .. Last); |
| end if; |
| end loop; |
| |
| Close (My_Dir); |
| return String'(1 .. 0 => ' '); |
| |
| exception |
| when Directory_Error => return String'(1 .. 0 => ' '); |
| end Default_Project_File; |
| |
| ----------------------- |
| -- End_Of_Line_Index -- |
| ----------------------- |
| |
| function End_Of_Line_Index (File : ALI_File) return Integer is |
| Index : Integer := File.Current_Line; |
| begin |
| while Index <= File.Buffer'Last |
| and then File.Buffer (Index) /= ASCII.LF |
| loop |
| Index := Index + 1; |
| end loop; |
| |
| return Index; |
| end End_Of_Line_Index; |
| |
| --------------- |
| -- File_Name -- |
| --------------- |
| |
| function File_Name |
| (File : ALI_File; |
| Num : Positive) |
| return File_Reference |
| is |
| begin |
| return File.Dep.Table (Num); |
| end File_Name; |
| |
| -------------------- |
| -- Find_ALI_Files -- |
| -------------------- |
| |
| procedure Find_ALI_Files is |
| My_Dir : Rec_DIR; |
| Dir_Ent : File_Name_String; |
| Last : Natural; |
| File_Existed : Boolean; |
| File_Ref : File_Reference; |
| |
| function Open_Next_Dir return Boolean; |
| -- Tries to open the next object directory, and return False if |
| -- the directory cannot be opened. |
| |
| ------------------- |
| -- Open_Next_Dir -- |
| ------------------- |
| |
| function Open_Next_Dir return Boolean is |
| begin |
| -- Until we are able to open a new directory |
| |
| loop |
| declare |
| Obj_Dir : constant String := Next_Obj_Dir; |
| |
| begin |
| -- If there was no more Obj_Dir line |
| |
| if Obj_Dir'Length = 0 then |
| return False; |
| end if; |
| |
| Open (My_Dir.Dir, Obj_Dir); |
| exit; |
| |
| exception |
| -- Could not open the directory |
| |
| when Directory_Error => null; |
| end; |
| end loop; |
| |
| return True; |
| end Open_Next_Dir; |
| |
| -- Start of processing for Find_ALI_Files |
| |
| begin |
| if Open_Next_Dir then |
| loop |
| Read (My_Dir.Dir, Dir_Ent, Last); |
| |
| if Last = 0 then |
| Close (My_Dir.Dir); |
| |
| if not Open_Next_Dir then |
| return; |
| end if; |
| |
| elsif Last > 4 and then Dir_Ent (Last - 3 .. Last) = ".ali" then |
| Add_File (Dir_Ent (1 .. Last), File_Existed, File_Ref, |
| Visited => False); |
| Set_Directory (File_Ref, Current_Obj_Dir); |
| end if; |
| end loop; |
| end if; |
| end Find_ALI_Files; |
| |
| ------------------- |
| -- Get_Full_Type -- |
| ------------------- |
| |
| function Get_Full_Type (Abbrev : Character) return String is |
| begin |
| case Abbrev is |
| when 'A' => return "array type"; |
| when 'B' => return "boolean type"; |
| when 'C' => return "class-wide type"; |
| when 'D' => return "decimal type"; |
| when 'E' => return "enumeration type"; |
| when 'F' => return "float type"; |
| when 'I' => return "integer type"; |
| when 'M' => return "modular type"; |
| when 'O' => return "fixed type"; |
| when 'P' => return "access type"; |
| when 'R' => return "record type"; |
| when 'S' => return "string type"; |
| when 'T' => return "task type"; |
| when 'W' => return "protected type"; |
| |
| when 'a' => return "array type"; |
| when 'b' => return "boolean object"; |
| when 'c' => return "class-wide object"; |
| when 'd' => return "decimal object"; |
| when 'e' => return "enumeration object"; |
| when 'f' => return "float object"; |
| when 'i' => return "integer object"; |
| when 'm' => return "modular object"; |
| when 'o' => return "fixed object"; |
| when 'p' => return "access object"; |
| when 'r' => return "record object"; |
| when 's' => return "string object"; |
| when 't' => return "task object"; |
| when 'w' => return "protected object"; |
| |
| when 'K' => return "package"; |
| when 'k' => return "generic package"; |
| when 'L' => return "statement label"; |
| when 'l' => return "loop label"; |
| when 'N' => return "named number"; |
| when 'n' => return "enumeration literal"; |
| when 'q' => return "block label"; |
| when 'U' => return "procedure"; |
| when 'u' => return "generic procedure"; |
| when 'V' => return "function"; |
| when 'v' => return "generic function"; |
| when 'X' => return "exception"; |
| when 'Y' => return "entry"; |
| |
| -- The above should be the only possibilities, but for a |
| -- tool like this we don't want to bomb if we find something |
| -- else, so just return ??? when we have an unknown Abbrev value |
| |
| when others => |
| return "???"; |
| end case; |
| end Get_Full_Type; |
| |
| ----------- |
| -- Match -- |
| ----------- |
| |
| function Match |
| (Pattern : Search_Pattern; |
| Symbol : String) |
| return Boolean |
| is |
| begin |
| -- Get the entity name |
| |
| return Match (Symbol, Pattern.Entity); |
| end Match; |
| |
| ---------- |
| -- Open -- |
| ---------- |
| |
| procedure Open |
| (Name : String; |
| File : out ALI_File; |
| Dependencies : Boolean := False) |
| is |
| Name_0 : constant String := Name & ASCII.NUL; |
| Num_Dependencies : Natural := 0; |
| File_Existed : Boolean; |
| File_Ref : File_Reference; |
| FD : File_Descriptor; |
| Success : Boolean := False; |
| Ali : String_Access renames File.Buffer; |
| Token : Positive; |
| Ptr : Positive; |
| File_Start : Positive; |
| File_End : Positive; |
| Gnatchop_Offset : Integer; |
| Gnatchop_Name : Positive; |
| |
| begin |
| if File.Buffer /= null then |
| Free (File.Buffer); |
| end if; |
| |
| Init (File.Dep); |
| |
| FD := Open_Read (Name_0'Address, Binary); |
| |
| if FD = Invalid_FD then |
| raise No_Xref_Information; |
| end if; |
| |
| Read_File (FD, Ali, Success); |
| Close (FD); |
| |
| Ptr := Ali'First; |
| |
| -- Read all the lines possibly processing with-clauses and dependency |
| -- information and exit on finding the first Xref line. |
| -- A fall-through of the loop means that there is no xref information |
| -- which is an error condition. |
| |
| while Ali (Ptr) /= EOF loop |
| |
| if Ali (Ptr) = D then |
| -- Found dependency information. Format looks like: |
| -- D source-name time-stamp checksum [subunit-name] \ |
| -- [line:file-name] |
| |
| -- Skip the D and parse the filename |
| |
| Ptr := Ptr + 1; |
| Parse_Token (Ali, Ptr, Token); |
| File_Start := Token; |
| File_End := Ptr - 1; |
| |
| Num_Dependencies := Num_Dependencies + 1; |
| Set_Last (File.Dep, Num_Dependencies); |
| |
| Parse_Token (Ali, Ptr, Token); -- Skip time-stamp |
| Parse_Token (Ali, Ptr, Token); -- Skip checksum |
| Parse_Token (Ali, Ptr, Token); -- Read next entity on the line |
| |
| if not (Ali (Token) in '0' .. '9') then |
| Parse_Token (Ali, Ptr, Token); -- Was a subunit name |
| end if; |
| |
| -- Did we have a gnatchop-ed file with a pragma Source_Reference ? |
| Gnatchop_Offset := 0; |
| |
| if Ali (Token) in '0' .. '9' then |
| Gnatchop_Name := Token; |
| while Ali (Gnatchop_Name) /= ':' loop |
| Gnatchop_Name := Gnatchop_Name + 1; |
| end loop; |
| Gnatchop_Offset := |
| 2 - Natural'Value (Ali (Token .. Gnatchop_Name - 1)); |
| Token := Gnatchop_Name + 1; |
| end if; |
| |
| Add_File |
| (Ali (File_Start .. File_End), |
| File_Existed, |
| File.Dep.Table (Num_Dependencies), |
| Gnatchop_File => Ali (Token .. Ptr - 1), |
| Gnatchop_Offset => Gnatchop_Offset); |
| |
| elsif Dependencies and then Ali (Ptr) = W then |
| -- Found with-clause information. Format looks like: |
| -- "W debug%s debug.adb debug.ali" |
| |
| -- Skip the W and parse the .ali filename (3rd token) |
| |
| Parse_Token (Ali, Ptr, Token); |
| Parse_Token (Ali, Ptr, Token); |
| Parse_Token (Ali, Ptr, Token); |
| |
| Add_File |
| (Ali (Token .. Ptr - 1), |
| File_Existed, File_Ref, |
| Visited => False); |
| |
| elsif Ali (Ptr) = X then |
| -- Found a cross-referencing line - stop processing |
| |
| File.Current_Line := Ptr; |
| File.Xref_Line := Ptr; |
| return; |
| end if; |
| |
| Parse_EOL (Ali, Ptr); |
| end loop; |
| |
| raise No_Xref_Information; |
| end Open; |
| |
| --------------- |
| -- Parse_EOL -- |
| --------------- |
| |
| procedure Parse_EOL (Source : access String; Ptr : in out Positive) is |
| begin |
| -- Skip to end of line |
| |
| while Source (Ptr) /= ASCII.CR and then Source (Ptr) /= ASCII.LF |
| and then Source (Ptr) /= EOF |
| loop |
| Ptr := Ptr + 1; |
| end loop; |
| |
| if Source (Ptr) /= EOF then |
| Ptr := Ptr + 1; -- skip CR or LF |
| end if; |
| |
| -- Skip past CR/LF or LF/CR combination |
| |
| if (Source (Ptr) = ASCII.CR or else Source (Ptr) = ASCII.LF) |
| and then Source (Ptr) /= Source (Ptr - 1) |
| then |
| Ptr := Ptr + 1; |
| end if; |
| end Parse_EOL; |
| |
| --------------------------- |
| -- Parse_Identifier_Info -- |
| --------------------------- |
| |
| procedure Parse_Identifier_Info |
| (Pattern : Search_Pattern; |
| File : in out ALI_File; |
| Local_Symbols : Boolean; |
| Der_Info : Boolean := False; |
| Type_Tree : Boolean := False; |
| Wide_Search : Boolean := True) |
| is |
| Ptr : Positive renames File.Current_Line; |
| Ali : String_Access renames File.Buffer; |
| |
| E_Line : Natural; -- Line number of current entity |
| E_Col : Natural; -- Column number of current entity |
| E_Type : Character; -- Type of current entity |
| E_Name : Positive; -- Pointer to begin of entity name |
| E_Global : Boolean; -- True iff entity is global |
| |
| R_Line : Natural; -- Line number of current reference |
| R_Col : Natural; -- Column number of current reference |
| R_Type : Character; -- Type of current reference |
| |
| Decl_Ref : Declaration_Reference; |
| File_Ref : File_Reference := Current_Xref_File (File); |
| |
| function Get_Symbol_Name (Eun, Line, Col : Natural) return String; |
| -- Returns the symbol name for the entity defined at the specified |
| -- line and column in the dependent unit number Eun. For this we need |
| -- to parse the ali file again because the parent entity is not in |
| -- the declaration table if it did not match the search pattern. |
| |
| --------------------- |
| -- Get_Symbol_Name -- |
| --------------------- |
| |
| function Get_Symbol_Name (Eun, Line, Col : Natural) return String is |
| Ptr : Positive := 1; |
| E_Eun : Positive; -- Unit number of current entity |
| E_Line : Natural; -- Line number of current entity |
| E_Col : Natural; -- Column number of current entity |
| E_Name : Positive; -- Pointer to begin of entity name |
| E_Type : Character; -- Type of current entity |
| |
| procedure Skip_Line; |
| -- skip current line and continuation line |
| |
| procedure Skip_Line is |
| begin |
| loop |
| Parse_EOL (Ali, Ptr); |
| exit when Ali (Ptr) /= '.'; |
| end loop; |
| end Skip_Line; |
| |
| -- Start of processing for Get_Symbol_Name |
| |
| begin |
| -- Look for the X lines corresponding to unit Eun |
| |
| loop |
| if Ali (Ptr) = 'X' then |
| Ptr := Ptr + 1; |
| Parse_Number (Ali, Ptr, E_Eun); |
| exit when E_Eun = Eun; |
| end if; |
| |
| Skip_Line; |
| end loop; |
| |
| -- Here we are in the right Ali section, we now look for the entity |
| -- declared at position (Line, Col). |
| |
| loop |
| Parse_Number (Ali, Ptr, E_Line); |
| E_Type := Ali (Ptr); |
| Ptr := Ptr + 1; |
| Parse_Number (Ali, Ptr, E_Col); |
| Ptr := Ptr + 1; |
| |
| if Line = E_Line and then Col = E_Col then |
| Parse_Token (Ali, Ptr, E_Name); |
| return Ali (E_Name .. Ptr - 1); |
| end if; |
| |
| Skip_Line; |
| end loop; |
| |
| -- We were not able to find the symbol, this should not happend but |
| -- since we don't want to stop here we return a string of three |
| -- question marks as the symbol name. |
| |
| return "???"; |
| end Get_Symbol_Name; |
| |
| -- Start of processing for Parse_Identifier_Info |
| |
| begin |
| -- The identifier info looks like: |
| -- "38U9*Debug 12|36r6 36r19" |
| |
| -- Extract the line, column and entity name information |
| |
| Parse_Number (Ali, Ptr, E_Line); |
| |
| if Ali (Ptr) > ' ' then |
| E_Type := Ali (Ptr); |
| Ptr := Ptr + 1; |
| end if; |
| |
| Parse_Number (Ali, Ptr, E_Col); |
| |
| E_Global := False; |
| if Ali (Ptr) >= ' ' then |
| E_Global := (Ali (Ptr) = '*'); |
| Ptr := Ptr + 1; |
| end if; |
| |
| Parse_Token (Ali, Ptr, E_Name); |
| |
| -- Exit if the symbol does not match |
| -- or if we have a local symbol and we do not want it |
| |
| if (not Local_Symbols and not E_Global) |
| or else (Pattern.Initialized |
| and then not Match (Pattern, Ali (E_Name .. Ptr - 1))) |
| or else (E_Name >= Ptr) |
| then |
| -- Skip rest of this line and all continuation lines |
| |
| loop |
| Parse_EOL (Ali, Ptr); |
| exit when Ali (Ptr) /= '.'; |
| end loop; |
| return; |
| end if; |
| |
| -- Insert the declaration in the table |
| |
| Decl_Ref := Add_Declaration |
| (File.X_File, Ali (E_Name .. Ptr - 1), E_Line, E_Col, E_Type); |
| |
| if Ali (Ptr) = '<' then |
| |
| -- Here we have a type derivation information. The format is |
| -- <3|12I45> which means that the current entity is derived from the |
| -- type defined in unit number 3, line 12 column 45. The pipe and |
| -- unit number is optional. It is specified only if the parent type |
| -- is not defined in the current unit. |
| |
| Ptr := Ptr + 1; |
| |
| Parse_Derived_Info : declare |
| P_Line : Natural; -- parent entity line |
| P_Column : Natural; -- parent entity column |
| P_Type : Character; -- parent entity type |
| P_Eun : Positive; -- parent entity file number |
| |
| begin |
| Parse_Number (Ali, Ptr, P_Line); |
| |
| -- If we have a pipe then the first number was the unit number |
| |
| if Ali (Ptr) = '|' then |
| P_Eun := P_Line; |
| Ptr := Ptr + 1; |
| |
| -- Now we have the line number |
| |
| Parse_Number (Ali, Ptr, P_Line); |
| |
| else |
| -- We don't have a unit number specified, so we set P_Eun to |
| -- the current unit. |
| |
| for K in Dependencies_Tables.First .. Last (File.Dep) loop |
| P_Eun := K; |
| exit when File.Dep.Table (K) = File_Ref; |
| end loop; |
| end if; |
| |
| -- Then parse the type and column number |
| |
| P_Type := Ali (Ptr); |
| Ptr := Ptr + 1; |
| Parse_Number (Ali, Ptr, P_Column); |
| |
| -- Skip '>' |
| |
| Ptr := Ptr + 1; |
| |
| -- The derived info is needed only is the derived info mode is on |
| -- or if we want to output the type hierarchy |
| |
| if Der_Info or else Type_Tree then |
| Add_Parent |
| (Decl_Ref, |
| Get_Symbol_Name (P_Eun, P_Line, P_Column), |
| P_Line, |
| P_Column, |
| File.Dep.Table (P_Eun)); |
| end if; |
| |
| if Type_Tree then |
| Search_Parent_Tree : declare |
| Pattern : Search_Pattern; -- Parent type pattern |
| File_Pos_Backup : Positive; |
| |
| begin |
| Add_Entity |
| (Pattern, |
| Get_Symbol_Name (P_Eun, P_Line, P_Column) |
| & ':' & Get_Gnatchop_File (File.Dep.Table (P_Eun)) |
| & ':' & Get_Line (Get_Parent (Decl_Ref)) |
| & ':' & Get_Column (Get_Parent (Decl_Ref)), |
| False); |
| |
| -- No default match is needed to look for the parent type |
| -- since we are using the fully qualified symbol name: |
| -- symbol:file:line:column |
| |
| Set_Default_Match (False); |
| |
| -- The parent type is defined in the same unit as the |
| -- derived type. So we want to revisit the unit. |
| |
| File_Pos_Backup := File.Current_Line; |
| |
| if File.Dep.Table (P_Eun) = File_Ref then |
| |
| -- set file pointer at the start of the xref lines |
| |
| File.Current_Line := File.Xref_Line; |
| |
| Revisit_ALI_File : declare |
| File_Existed : Boolean; |
| File_Ref : File_Reference; |
| begin |
| Add_File |
| (ALI_File_Name (Get_File (File.Dep.Table (P_Eun))), |
| File_Existed, |
| File_Ref, |
| Visited => False); |
| Set_Unvisited (File_Ref); |
| end Revisit_ALI_File; |
| end if; |
| |
| Search (Pattern, |
| Local_Symbols, False, False, Der_Info, Type_Tree); |
| |
| File.Current_Line := File_Pos_Backup; |
| |
| -- in this mode there is no need to parse the remaining of |
| -- the lines. |
| |
| return; |
| end Search_Parent_Tree; |
| end if; |
| end Parse_Derived_Info; |
| end if; |
| |
| -- To find the body, we will have to parse the file too |
| |
| if Wide_Search then |
| declare |
| File_Existed : Boolean; |
| File_Ref : File_Reference; |
| File_Name : constant String := |
| Get_Gnatchop_File (File.X_File); |
| |
| begin |
| Add_File (ALI_File_Name (File_Name), |
| File_Existed, File_Ref, False); |
| end; |
| end if; |
| |
| -- Parse references to this entity. |
| -- Ptr points to next reference with leading blanks |
| |
| loop |
| -- Process references on current line |
| |
| while Ali (Ptr) = ' ' or Ali (Ptr) = ASCII.HT loop |
| |
| -- For every reference read the line, type and column, |
| -- optionally preceded by a file number and a pipe symbol. |
| |
| Parse_Number (Ali, Ptr, R_Line); |
| |
| if Ali (Ptr) = Pipe then |
| Ptr := Ptr + 1; |
| File_Ref := File_Name (File, R_Line); |
| |
| Parse_Number (Ali, Ptr, R_Line); |
| end if; |
| |
| if Ali (Ptr) > ' ' then |
| R_Type := Ali (Ptr); |
| Ptr := Ptr + 1; |
| end if; |
| |
| Parse_Number (Ali, Ptr, R_Col); |
| |
| -- Insert the reference or body in the table |
| |
| Add_Reference (Decl_Ref, File_Ref, R_Line, R_Col, R_Type); |
| |
| end loop; |
| |
| Parse_EOL (Ali, Ptr); |
| |
| -- Loop until new line is no continuation line |
| |
| exit when Ali (Ptr) /= '.'; |
| Ptr := Ptr + 1; |
| end loop; |
| end Parse_Identifier_Info; |
| |
| ------------------ |
| -- Parse_Number -- |
| ------------------ |
| |
| procedure Parse_Number |
| (Source : access String; |
| Ptr : in out Positive; |
| Number : out Natural) |
| is |
| begin |
| -- Skip separators |
| |
| while Source (Ptr) = ' ' or else Source (Ptr) = ASCII.HT loop |
| Ptr := Ptr + 1; |
| end loop; |
| |
| Number := 0; |
| while Source (Ptr) in '0' .. '9' loop |
| Number := 10 * Number |
| + (Character'Pos (Source (Ptr)) - Character'Pos ('0')); |
| Ptr := Ptr + 1; |
| end loop; |
| end Parse_Number; |
| |
| ----------------- |
| -- Parse_Token -- |
| ----------------- |
| |
| procedure Parse_Token |
| (Source : access String; |
| Ptr : in out Positive; |
| Token_Ptr : out Positive) |
| is |
| In_Quotes : Boolean := False; |
| |
| begin |
| -- Skip separators |
| |
| while Source (Ptr) = ' ' or else Source (Ptr) = ASCII.HT loop |
| Ptr := Ptr + 1; |
| end loop; |
| |
| Token_Ptr := Ptr; |
| |
| -- Find end-of-token |
| |
| while (In_Quotes or else |
| not (Source (Ptr) = ' ' |
| or else Source (Ptr) = ASCII.HT |
| or else Source (Ptr) = '<')) |
| and then Source (Ptr) >= ' ' |
| loop |
| if Source (Ptr) = '"' then |
| In_Quotes := not In_Quotes; |
| end if; |
| |
| Ptr := Ptr + 1; |
| end loop; |
| end Parse_Token; |
| |
| ---------------------- |
| -- Parse_X_Filename -- |
| ---------------------- |
| |
| procedure Parse_X_Filename (File : in out ALI_File) is |
| Ali : String_Access renames File.Buffer; |
| Ptr : Positive renames File.Current_Line; |
| File_Nr : Natural; |
| |
| begin |
| while Ali (Ptr) = X loop |
| |
| -- The current line is the start of a new Xref file section, |
| -- whose format looks like: |
| |
| -- " X 1 debug.ads" |
| |
| -- Skip the X and read the file number for the new X_File |
| |
| Ptr := Ptr + 1; |
| Parse_Number (Ali, Ptr, File_Nr); |
| |
| if File_Nr > 0 then |
| File.X_File := File.Dep.Table (File_Nr); |
| end if; |
| |
| Parse_EOL (Ali, Ptr); |
| end loop; |
| |
| end Parse_X_Filename; |
| |
| -------------------- |
| -- Print_Gnatfind -- |
| -------------------- |
| |
| procedure Print_Gnatfind |
| (References : Boolean; |
| Full_Path_Name : Boolean) |
| is |
| Decl : Declaration_Reference := First_Declaration; |
| Ref1 : Reference; |
| Ref2 : Reference; |
| |
| procedure Print_Ref |
| (Ref : Reference; |
| Msg : String := " "); |
| -- Print a reference, according to the extended tag of the output |
| |
| --------------- |
| -- Print_Ref -- |
| --------------- |
| |
| procedure Print_Ref |
| (Ref : Reference; |
| Msg : String := " ") |
| is |
| Buffer : constant String := |
| Osint.To_Host_File_Spec |
| (Get_Gnatchop_File (Ref, Full_Path_Name)).all |
| & ":" & Get_Line (Ref) |
| & ":" & Get_Column (Ref) |
| & ": "; |
| Num_Blanks : Integer := Longest_File_Name + 10 - Buffer'Length; |
| |
| begin |
| Num_Blanks := Integer'Max (0, Num_Blanks); |
| Write_Line |
| (Buffer |
| & String'(1 .. Num_Blanks => ' ') |
| & Msg & " " & Get_Symbol (Decl)); |
| if Get_Source_Line (Ref)'Length /= 0 then |
| Write_Line (" " & Get_Source_Line (Ref)); |
| end if; |
| end Print_Ref; |
| |
| -- Start of processing for Print_Gnatfind |
| |
| begin |
| while Decl /= Empty_Declaration loop |
| if Match (Decl) then |
| |
| -- Output the declaration |
| |
| declare |
| Parent : constant Declaration_Reference := Get_Parent (Decl); |
| Buffer : constant String := |
| Osint.To_Host_File_Spec |
| (Get_Gnatchop_File (Decl, Full_Path_Name)).all |
| & ":" & Get_Line (Decl) |
| & ":" & Get_Column (Decl) |
| & ": "; |
| Num_Blanks : Integer := Longest_File_Name + 10 - Buffer'Length; |
| |
| begin |
| Num_Blanks := Integer'Max (0, Num_Blanks); |
| Write_Line |
| (Buffer & String'(1 .. Num_Blanks => ' ') |
| & "(spec) " & Get_Symbol (Decl)); |
| |
| if Parent /= Empty_Declaration then |
| Write_Line |
| (Buffer & String'(1 .. Num_Blanks => ' ') |
| & " derived from " & Get_Symbol (Parent) |
| & " (" |
| & Osint.To_Host_File_Spec (Get_Gnatchop_File (Parent)).all |
| & ':' & Get_Line (Parent) |
| & ':' & Get_Column (Parent) & ')'); |
| end if; |
| end; |
| |
| if Get_Source_Line (Decl)'Length /= 0 then |
| Write_Line (" " & Get_Source_Line (Decl)); |
| end if; |
| |
| -- Output the body (sorted) |
| |
| Ref1 := First_Body (Decl); |
| while Ref1 /= Empty_Reference loop |
| Print_Ref (Ref1, "(body)"); |
| Ref1 := Next (Ref1); |
| end loop; |
| |
| if References then |
| Ref1 := First_Modif (Decl); |
| Ref2 := First_Reference (Decl); |
| while Ref1 /= Empty_Reference |
| or else Ref2 /= Empty_Reference |
| loop |
| if Compare (Ref1, Ref2) = LessThan then |
| Print_Ref (Ref1); |
| Ref1 := Next (Ref1); |
| else |
| Print_Ref (Ref2); |
| Ref2 := Next (Ref2); |
| end if; |
| end loop; |
| end if; |
| end if; |
| |
| Decl := Next (Decl); |
| end loop; |
| end Print_Gnatfind; |
| |
| ------------------ |
| -- Print_Unused -- |
| ------------------ |
| |
| procedure Print_Unused (Full_Path_Name : in Boolean) is |
| Decl : Declaration_Reference := First_Declaration; |
| Ref : Reference; |
| |
| begin |
| while Decl /= Empty_Declaration loop |
| if First_Modif (Decl) = Empty_Reference |
| and then First_Reference (Decl) = Empty_Reference |
| then |
| Write_Str (Get_Symbol (Decl) |
| & " " |
| & Get_Type (Decl) |
| & " " |
| & Osint.To_Host_File_Spec |
| (Get_Gnatchop_File (Decl, Full_Path_Name)).all |
| & ':' |
| & Get_Line (Decl) |
| & ':' |
| & Get_Column (Decl)); |
| |
| -- Print the body if any |
| |
| Ref := First_Body (Decl); |
| |
| if Ref /= Empty_Reference then |
| Write_Line (' ' |
| & Osint.To_Host_File_Spec |
| (Get_Gnatchop_File (Ref, Full_Path_Name)).all |
| & ':' & Get_Line (Ref) |
| & ':' & Get_Column (Ref)); |
| else |
| Write_Eol; |
| end if; |
| end if; |
| |
| Decl := Next (Decl); |
| end loop; |
| end Print_Unused; |
| |
| -------------- |
| -- Print_Vi -- |
| -------------- |
| |
| procedure Print_Vi (Full_Path_Name : in Boolean) is |
| Tab : constant Character := ASCII.HT; |
| Decl : Declaration_Reference := First_Declaration; |
| Ref : Reference; |
| |
| begin |
| while Decl /= Empty_Declaration loop |
| Write_Line (Get_Symbol (Decl) & Tab |
| & Get_File (Decl, Full_Path_Name) & Tab |
| & Get_Line (Decl)); |
| |
| -- Print the body if any |
| |
| Ref := First_Body (Decl); |
| |
| if Ref /= Empty_Reference then |
| Write_Line (Get_Symbol (Decl) & Tab |
| & Get_File (Ref, Full_Path_Name) |
| & Tab |
| & Get_Line (Ref)); |
| end if; |
| |
| -- Print the modifications |
| |
| Ref := First_Modif (Decl); |
| |
| while Ref /= Empty_Reference loop |
| Write_Line (Get_Symbol (Decl) & Tab |
| & Get_File (Ref, Full_Path_Name) |
| & Tab |
| & Get_Line (Ref)); |
| Ref := Next (Ref); |
| end loop; |
| |
| Decl := Next (Decl); |
| end loop; |
| end Print_Vi; |
| |
| ---------------- |
| -- Print_Xref -- |
| ---------------- |
| |
| procedure Print_Xref (Full_Path_Name : in Boolean) is |
| Decl : Declaration_Reference := First_Declaration; |
| Ref : Reference; |
| File : File_Reference; |
| |
| Margin : constant := 10; |
| -- Column where file names start |
| |
| procedure New_Line80; |
| -- Go to start of new line |
| |
| procedure Print80 (S : in String); |
| -- Print the text, respecting the 80 columns rule. |
| |
| procedure Print_Ref (Line, Column : String); |
| -- The beginning of the output is aligned on a column multiple of 9 |
| |
| ---------------- |
| -- New_Line80 -- |
| ---------------- |
| |
| procedure New_Line80 is |
| begin |
| Write_Eol; |
| Write_Str (String'(1 .. Margin - 1 => ' ')); |
| end New_Line80; |
| |
| ------------- |
| -- Print80 -- |
| ------------- |
| |
| procedure Print80 (S : in String) is |
| Align : Natural := Margin - (Integer (Column) mod Margin); |
| begin |
| if Align = Margin then |
| Align := 0; |
| end if; |
| |
| Write_Str (String'(1 .. Align => ' ') & S); |
| end Print80; |
| |
| --------------- |
| -- Print_Ref -- |
| --------------- |
| |
| procedure Print_Ref (Line, Column : String) is |
| Line_Align : constant Integer := 4 - Line'Length; |
| |
| S : constant String := String'(1 .. Line_Align => ' ') |
| & Line & ':' & Column; |
| |
| Align : Natural := Margin - (Integer (Output.Column) mod Margin); |
| |
| begin |
| if Align = Margin then |
| Align := 0; |
| end if; |
| |
| if Integer (Output.Column) + Align + S'Length > 79 then |
| New_Line80; |
| Align := 0; |
| end if; |
| |
| Write_Str (String'(1 .. Align => ' ') & S); |
| end Print_Ref; |
| |
| -- Start of processing for Print_Xref |
| |
| begin |
| while Decl /= Empty_Declaration loop |
| Write_Str (Get_Symbol (Decl)); |
| |
| while Column < Type_Position loop |
| Write_Char (' '); |
| end loop; |
| |
| Write_Line (Get_Full_Type (Get_Type (Decl))); |
| |
| Write_Parent_Info : declare |
| Parent : constant Declaration_Reference := Get_Parent (Decl); |
| begin |
| if Parent /= Empty_Declaration then |
| Write_Str (" Ptype: "); |
| Print80 |
| (Osint.To_Host_File_Spec (Get_Gnatchop_File (Parent)).all); |
| Print_Ref (Get_Line (Parent), Get_Column (Parent)); |
| Print80 (" " & Get_Symbol (Parent)); |
| Write_Eol; |
| end if; |
| end Write_Parent_Info; |
| |
| Write_Str (" Decl: "); |
| Print80 |
| (Osint.To_Host_File_Spec |
| (Get_Gnatchop_File (Decl, Full_Path_Name)).all & ' '); |
| Print_Ref (Get_Line (Decl), Get_Column (Decl)); |
| |
| -- Print the body if any |
| |
| Ref := First_Body (Decl); |
| |
| if Ref /= Empty_Reference then |
| Write_Eol; |
| Write_Str (" Body: "); |
| Print80 |
| (Osint.To_Host_File_Spec |
| (Get_Gnatchop_File (Ref, Full_Path_Name)).all & ' '); |
| Print_Ref (Get_Line (Ref), Get_Column (Ref)); |
| end if; |
| |
| -- Print the modifications if any |
| |
| Ref := First_Modif (Decl); |
| |
| if Ref /= Empty_Reference then |
| Write_Eol; |
| Write_Str (" Modi: "); |
| end if; |
| |
| File := Empty_File; |
| |
| while Ref /= Empty_Reference loop |
| if Get_File_Ref (Ref) /= File then |
| if File /= Empty_File then |
| New_Line80; |
| end if; |
| |
| File := Get_File_Ref (Ref); |
| Write_Str |
| (Get_Gnatchop_File (Ref, Full_Path_Name) & ' '); |
| Print_Ref (Get_Line (Ref), Get_Column (Ref)); |
| |
| else |
| Print_Ref (Get_Line (Ref), Get_Column (Ref)); |
| end if; |
| |
| Ref := Next (Ref); |
| end loop; |
| |
| -- Print the references |
| |
| Ref := First_Reference (Decl); |
| |
| if Ref /= Empty_Reference then |
| Write_Eol; |
| Write_Str (" Ref: "); |
| end if; |
| |
| File := Empty_File; |
| |
| while Ref /= Empty_Reference loop |
| if Get_File_Ref (Ref) /= File then |
| if File /= Empty_File then |
| New_Line80; |
| end if; |
| |
| File := Get_File_Ref (Ref); |
| Write_Str |
| (Osint.To_Host_File_Spec |
| (Get_Gnatchop_File (Ref, Full_Path_Name)).all & ' '); |
| Print_Ref (Get_Line (Ref), Get_Column (Ref)); |
| |
| else |
| Print_Ref (Get_Line (Ref), Get_Column (Ref)); |
| end if; |
| |
| Ref := Next (Ref); |
| end loop; |
| |
| Write_Eol; |
| Decl := Next (Decl); |
| end loop; |
| end Print_Xref; |
| |
| --------------- |
| -- Read_File -- |
| --------------- |
| |
| procedure Read_File |
| (FD : File_Descriptor; |
| Contents : out String_Access; |
| Success : out Boolean) |
| is |
| Length : constant File_Offset := File_Offset (File_Length (FD)); |
| -- Include room for EOF char |
| |
| Buffer : String (1 .. Length + 1); |
| |
| This_Read : Integer; |
| Read_Ptr : File_Offset := 1; |
| |
| begin |
| |
| loop |
| This_Read := Read (FD, |
| A => Buffer (Read_Ptr)'Address, |
| N => Length + 1 - Read_Ptr); |
| Read_Ptr := Read_Ptr + Integer'Max (This_Read, 0); |
| exit when This_Read <= 0; |
| end loop; |
| |
| Buffer (Read_Ptr) := EOF; |
| Contents := new String'(Buffer (1 .. Read_Ptr)); |
| |
| -- Things aren't simple on VMS due to the plethora of file types |
| -- and organizations. It seems clear that there shouldn't be more |
| -- bytes read than are contained in the file though. |
| |
| if Hostparm.OpenVMS then |
| Success := Read_Ptr <= Length + 1; |
| else |
| Success := Read_Ptr = Length + 1; |
| end if; |
| end Read_File; |
| |
| ------------ |
| -- Search -- |
| ------------ |
| |
| procedure Search |
| (Pattern : Search_Pattern; |
| Local_Symbols : Boolean; |
| Wide_Search : Boolean; |
| Read_Only : Boolean; |
| Der_Info : Boolean; |
| Type_Tree : Boolean) |
| is |
| type String_Access is access String; |
| procedure Free is new Unchecked_Deallocation (String, String_Access); |
| |
| ALIfile : ALI_File; |
| File_Ref : File_Reference; |
| Strip_Num : Natural := 0; |
| Ali_Name : String_Access; |
| |
| begin |
| -- If we want all the .ali files, then find them |
| |
| if Wide_Search then |
| Find_ALI_Files; |
| end if; |
| |
| loop |
| -- Get the next unread ali file |
| |
| File_Ref := Next_Unvisited_File; |
| |
| exit when File_Ref = Empty_File; |
| |
| -- Find the ALI file to use. Most of the time, it will be the unit |
| -- name, with a different extension. However, when dealing with |
| -- separates the ALI file is in fact the parent's ALI file (and this |
| -- is recursive, in case the parent itself is a separate). |
| |
| Strip_Num := 0; |
| loop |
| Free (Ali_Name); |
| Ali_Name := new String' |
| (Get_File (File_Ref, With_Dir => True, Strip => Strip_Num)); |
| |
| -- Striped too many things... |
| if Ali_Name.all = "" then |
| if Get_Emit_Warning (File_Ref) then |
| Set_Standard_Error; |
| Write_Line |
| ("warning : file " & Get_File (File_Ref, With_Dir => True) |
| & " not found"); |
| Set_Standard_Output; |
| end if; |
| Free (Ali_Name); |
| exit; |
| |
| -- If not found, try the parent's ALI file (this is needed for |
| -- separate units and subprograms). |
| elsif not File_Exists (Ali_Name.all) then |
| Strip_Num := Strip_Num + 1; |
| |
| -- Else we finally found it |
| else |
| exit; |
| end if; |
| end loop; |
| |
| -- Now that we have a file name, parse it to find any reference to |
| -- the entity. |
| |
| if Ali_Name /= null |
| and then (Read_Only or else Is_Writable_File (Ali_Name.all)) |
| then |
| begin |
| Open (Ali_Name.all, ALIfile); |
| while ALIfile.Buffer (ALIfile.Current_Line) /= EOF loop |
| Parse_X_Filename (ALIfile); |
| Parse_Identifier_Info (Pattern, ALIfile, Local_Symbols, |
| Der_Info, Type_Tree, Wide_Search); |
| end loop; |
| |
| exception |
| when No_Xref_Information => |
| if Get_Emit_Warning (File_Ref) then |
| Set_Standard_Error; |
| Write_Line |
| ("warning : No cross-referencing information in " |
| & Ali_Name.all); |
| Set_Standard_Output; |
| end if; |
| end; |
| end if; |
| end loop; |
| |
| Free (Ali_Name); |
| end Search; |
| |
| ----------------- |
| -- Search_Xref -- |
| ----------------- |
| |
| procedure Search_Xref |
| (Local_Symbols : Boolean; |
| Read_Only : Boolean; |
| Der_Info : Boolean) |
| is |
| ALIfile : ALI_File; |
| File_Ref : File_Reference; |
| Null_Pattern : Search_Pattern; |
| begin |
| loop |
| -- Find the next unvisited file |
| |
| File_Ref := Next_Unvisited_File; |
| exit when File_Ref = Empty_File; |
| |
| -- Search the object directories for the .ali file |
| |
| if Read_Only |
| or else Is_Writable_File (Get_File (File_Ref, With_Dir => True)) |
| then |
| begin |
| Open (Get_File (File_Ref, With_Dir => True), ALIfile, True); |
| |
| while ALIfile.Buffer (ALIfile.Current_Line) /= EOF loop |
| Parse_X_Filename (ALIfile); |
| Parse_Identifier_Info |
| (Null_Pattern, ALIfile, Local_Symbols, Der_Info); |
| end loop; |
| |
| exception |
| when No_Xref_Information => null; |
| end; |
| end if; |
| end loop; |
| end Search_Xref; |
| |
| end Xref_Lib; |
