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-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- X R E F _ L I B --
--- --
--- S p e c --
--- --
--- Copyright (C) 1998-2006, 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, 51 Franklin Street, Fifth Floor, --
--- Boston, MA 02110-1301, USA. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
--- Miscellaneous utilities for the cross-referencing tool
-
-with Hostparm;
-with Xr_Tabls; use Xr_Tabls;
-
-with GNAT.Directory_Operations; use GNAT.Directory_Operations;
-with GNAT.OS_Lib; use GNAT.OS_Lib;
-with GNAT.Dynamic_Tables;
-with GNAT.Regexp; use GNAT.Regexp;
-
-package Xref_Lib is
-
- subtype File_Name_String is String (1 .. Hostparm.Max_Name_Length);
- subtype Line_String is String (1 .. Hostparm.Max_Line_Length);
-
- type ALI_File is limited private;
-
- ---------------------
- -- Directory Input --
- ---------------------
-
- type Rec_DIR is limited private;
- -- This one is used for recursive search of .ali files
-
- procedure Find_ALI_Files;
- -- Find all the ali files that we will have to parse, and have them to
- -- the file list
-
- ---------------------
- -- Search patterns --
- ---------------------
-
- type Search_Pattern is private;
- type Search_Pattern_Ptr is access all Search_Pattern;
-
- procedure Add_Entity
- (Pattern : in out Search_Pattern;
- Entity : String;
- Glob : Boolean := False);
- -- Add a new entity to the search pattern (the entity should have the
- -- form pattern[:file[:line[:column]]], and it is parsed entirely in
- -- this procedure. Glob indicates if we should use the 'globbing
- -- patterns' (True) or the full regular expressions (False)
-
- procedure Add_Xref_File (File : String);
- -- Add a new file in the list of files to search for references. File
- -- is interpreted as a globbing regular expression, which is expanded.
-
- Invalid_Argument : exception;
- -- Exception raised when there is a syntax error in the command line
-
- -----------------------
- -- Output Algorithms --
- -----------------------
-
- procedure Print_Gnatfind
- (References : Boolean;
- Full_Path_Name : Boolean);
- procedure Print_Unused (Full_Path_Name : Boolean);
- procedure Print_Vi (Full_Path_Name : Boolean);
- procedure Print_Xref (Full_Path_Name : Boolean);
- -- The actual print procedures. These functions step through the symbol
- -- table and print all the symbols if they match the files given on the
- -- command line (they already match the entities if they are in the
- -- symbol table)
-
- ------------------------
- -- General Algorithms --
- ------------------------
-
- function Default_Project_File (Dir_Name : String) return String;
- -- Returns the default Project file name for the directory Dir_Name
-
- procedure Search
- (Pattern : Search_Pattern;
- Local_Symbols : Boolean;
- Wide_Search : Boolean;
- Read_Only : Boolean;
- Der_Info : Boolean;
- Type_Tree : Boolean);
- -- Search every ALI file for entities matching Pattern, and add
- -- these entities to the internal symbol tables.
- --
- -- If Wide_Search is True, all ALI files found in the object path
- -- are searched.
- --
- -- If Read_Only is True, read-only ALI files will also be parsed,
- -- similar to gnatmake -a.
- --
- -- If Der_Info is true, then the derived type information will be
- -- processed.
- --
- -- If Type_Tree is true, then the type hierarchy wil be searched
- -- going from the pattern to the parent type.
-
- procedure Search_Xref
- (Local_Symbols : Boolean;
- Read_Only : Boolean;
- Der_Info : Boolean);
- -- Search every ali file given in the command line and all their
- -- dependencies. If Read_Only is True, we parse the read-only ali
- -- files too. If Der_Mode is true then the derived type information will
- -- be processed
-
-private
- type Rec_DIR is limited record
- Dir : GNAT.Directory_Operations.Dir_Type;
- end record;
-
- package Dependencies_Tables is new GNAT.Dynamic_Tables
- (Table_Component_Type => Xr_Tabls.File_Reference,
- Table_Index_Type => Positive,
- Table_Low_Bound => 1,
- Table_Initial => 400,
- Table_Increment => 100);
- use Dependencies_Tables;
-
- type Dependencies is new Dependencies_Tables.Instance;
-
- type ALI_File is limited record
- Buffer : String_Access := null;
- -- Buffer used to read the whole file at once
-
- Current_Line : Positive;
- -- Start of the current line in Buffer
-
- Xref_Line : Positive;
- -- Start of the xref lines in Buffer
-
- X_File : Xr_Tabls.File_Reference;
- -- Stores the cross-referencing file-name ("X..." lines), as an
- -- index into the dependencies table
-
- Dep : Dependencies;
- -- Store file name associated with each number ("D..." lines)
- end record;
-
- -- The following record type stores all the patterns that are searched for
-
- type Search_Pattern is record
- Entity : GNAT.Regexp.Regexp;
- -- A regular expression matching the entities we are looking for.
- -- File is a list of the places where the declaration of the entities
- -- has to be. When the user enters a file:line:column on the command
- -- line, it is stored as "Entity_Name Declaration_File:line:column"
-
- File_Ref : Xr_Tabls.File_Reference;
- -- A reference to the source file, if any
-
- Initialized : Boolean := False;
- -- Set to True when Entity has been initialized
- end record;
-
-end Xref_Lib;