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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- X R E F _ L I B -- -- -- -- S p e c -- -- -- -- Copyright (C) 1998-2008, 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 3, 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 COPYING3. If not, go to -- -- http://www.gnu.org/licenses for a complete copy of the license. -- -- -- -- 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 will 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;