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;
47 (Option : String_Access;
48 To : in out String_List_Access;
49 Last : in out Natural);
52 To : in out String_List_Access;
53 Last : in out Natural);
54 -- Add a string to a list of strings
56 function Create_Name (Name : String) return File_Name_Type;
57 function Create_Name (Name : String) return Name_Id;
58 function Create_Name (Name : String) return Path_Name_Type;
59 -- Get the Name_Id of a name
61 function Executable_Prefix_Path return String;
62 -- Return the absolute path parent directory of the directory where the
63 -- current executable resides, if its directory is named "bin", otherwise
64 -- return an empty string.
66 procedure Inform (N : Name_Id := No_Name; Msg : String);
67 procedure Inform (N : File_Name_Type; Msg : String);
68 -- Prints out the program name followed by a colon, N and S
70 function Is_External_Assignment (Argv : String) return Boolean;
71 -- Verify that an external assignment switch is syntactically correct
76 -- -X"name=other value"
78 -- Assumptions: 'First = 1, Argv (1 .. 2) = "-X"
79 -- When this function returns True, the external assignment has
80 -- been entered by a call to Prj.Ext.Add, so that in a project
81 -- file, External ("name") will return "value".
83 function Linker_Options_Switches
84 (Project : Project_Id;
85 In_Tree : Project_Tree_Ref) return String_List;
86 -- Collect the options specified in the Linker'Linker_Options attributes
87 -- of project Project, in project tree In_Tree, and in the projects that
88 -- it imports directly or indirectly, and returns the result.
90 -- Package Mains is used to store the mains specified on the command line
91 -- and to retrieve them when a project file is used, to verify that the
92 -- files exist and that they belong to a project file.
94 function Unit_Index_Of (ALI_File : File_Name_Type) return Int;
95 -- Find the index of a unit in a source file. Return zero if the file
96 -- is not a multi-unit source file.
100 -- Mains are stored in a table. An index is used to retrieve the mains
103 procedure Add_Main (Name : String);
104 -- Add one main to the table
110 -- Reset the index to the beginning of the table
112 function Next_Main return String;
113 -- Increase the index and return the next main.
114 -- If table is exhausted, return an empty string.
116 function Number_Of_Mains return Natural;
117 -- Returns the number of mains added with Add_Main since the last call
122 procedure Test_If_Relative_Path
123 (Switch : in out String_Access;
124 Parent : String_Access;
125 Including_L_Switch : Boolean := True;
126 Including_Non_Switch : Boolean := True);
127 -- Test if Switch is a relative search path switch.
128 -- If it is, fail if Parent is null, otherwise prepend the path with
129 -- Parent. This subprogram is only called when using project files.
130 -- For gnatbind switches, Including_L_Switch is False, because the
131 -- argument of the -L switch is not a path.
133 ----------------------
134 -- Marking Routines --
135 ----------------------
137 procedure Mark (Source_File : File_Name_Type; Index : Int := 0);
138 -- Mark a unit, identified by its source file and, when Index is not 0,
139 -- the index of the unit in the source file. Marking is used to signal
140 -- that the unit has already been inserted in the Q.
143 (Source_File : File_Name_Type;
144 Index : Int := 0) return Boolean;
145 -- Returns True if the unit was previously marked
147 procedure Delete_All_Marks;
148 -- Remove all file/index couples marked