1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 2004-2007, 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 Namet; use Namet;
29 with Types; use Types;
31 with GNAT.OS_Lib; use GNAT.OS_Lib;
35 type Fail_Proc is access procedure
39 Do_Fail : Fail_Proc := Osint.Fail'Access;
40 -- Failing procedure called from procedure Test_If_Relative_Path below.
43 Project_Tree : constant Project_Tree_Ref := new Project_Tree_Data;
46 Main_Config_Project : Project_Id;
47 -- The project id of the main configuration project
50 (Option : String_Access;
51 To : in out String_List_Access;
52 Last : in out Natural);
55 To : in out String_List_Access;
56 Last : in out Natural);
57 -- Add a string to a list of strings
59 function Create_Name (Name : String) return File_Name_Type;
60 function Create_Name (Name : String) return Name_Id;
61 function Create_Name (Name : String) return Path_Name_Type;
62 -- Get the Name_Id of a name
64 function Executable_Prefix_Path return String;
65 -- Return the absolute path parent directory of the directory where the
66 -- current executable resides, if its directory is named "bin", otherwise
67 -- return an empty string.
69 procedure Inform (N : Name_Id := No_Name; Msg : String);
70 procedure Inform (N : File_Name_Type; Msg : String);
71 -- Prints out the program name followed by a colon, N and S
73 function Is_External_Assignment (Argv : String) return Boolean;
74 -- Verify that an external assignment switch is syntactically correct
79 -- -X"name=other value"
81 -- Assumptions: 'First = 1, Argv (1 .. 2) = "-X"
82 -- When this function returns True, the external assignment has
83 -- been entered by a call to Prj.Ext.Add, so that in a project
84 -- file, External ("name") will return "value".
86 function Linker_Options_Switches
87 (Project : Project_Id;
88 In_Tree : Project_Tree_Ref) return String_List;
89 -- Collect the options specified in the Linker'Linker_Options attributes
90 -- of project Project, in project tree In_Tree, and in the projects that
91 -- it imports directly or indirectly, and returns the result.
93 -- Package Mains is used to store the mains specified on the command line
94 -- and to retrieve them when a project file is used, to verify that the
95 -- files exist and that they belong to a project file.
97 function Unit_Index_Of (ALI_File : File_Name_Type) return Int;
98 -- Find the index of a unit in a source file. Return zero if the file
99 -- is not a multi-unit source file.
103 -- Mains are stored in a table. An index is used to retrieve the mains
106 procedure Add_Main (Name : String);
107 -- Add one main to the table
113 -- Reset the index to the beginning of the table
115 function Next_Main return String;
116 -- Increase the index and return the next main.
117 -- If table is exhausted, return an empty string.
119 function Number_Of_Mains return Natural;
120 -- Returns the number of mains added with Add_Main since the last call
125 procedure Test_If_Relative_Path
126 (Switch : in out String_Access;
127 Parent : String_Access;
128 Including_L_Switch : Boolean := True;
129 Including_Non_Switch : Boolean := True);
130 -- Test if Switch is a relative search path switch.
131 -- If it is, fail if Parent is null, otherwise prepend the path with
132 -- Parent. This subprogram is only called when using project files.
133 -- For gnatbind switches, Including_L_Switch is False, because the
134 -- argument of the -L switch is not a path.
136 ----------------------
137 -- Marking Routines --
138 ----------------------
140 procedure Mark (Source_File : File_Name_Type; Index : Int := 0);
141 -- Mark a unit, identified by its source file and, when Index is not 0,
142 -- the index of the unit in the source file. Marking is used to signal
143 -- that the unit has already been inserted in the Q.
146 (Source_File : File_Name_Type;
147 Index : Int := 0) return Boolean;
148 -- Returns True if the unit was previously marked
150 procedure Delete_All_Marks;
151 -- Remove all file/index couples marked