File : prj-pars.adb
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- P R J . P A R S --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 2001-2014, Free Software Foundation, Inc. --
10 -- --
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. --
20 -- --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
23 -- --
24 ------------------------------------------------------------------------------
25
26 with Ada.Exceptions; use Ada.Exceptions;
27 with GNAT.Directory_Operations; use GNAT.Directory_Operations;
28
29 with Output; use Output;
30 with Prj.Conf; use Prj.Conf;
31 with Prj.Err; use Prj.Err;
32 with Prj.Part;
33 with Prj.Tree; use Prj.Tree;
34 with Sinput.P;
35
36 package body Prj.Pars is
37
38 -----------
39 -- Parse --
40 -----------
41
42 procedure Parse
43 (In_Tree : Project_Tree_Ref;
44 Project : out Project_Id;
45 Project_File_Name : String;
46 Packages_To_Check : String_List_Access;
47 Reset_Tree : Boolean := True;
48 In_Node_Tree : Prj.Tree.Project_Node_Tree_Ref := null;
49 Env : in out Prj.Tree.Environment)
50 is
51 Project_Node : Project_Node_Id := Empty_Node;
52 The_Project : Project_Id := No_Project;
53 Success : Boolean := True;
54 Current_Dir : constant String := Get_Current_Dir;
55 Project_Node_Tree : Prj.Tree.Project_Node_Tree_Ref := In_Node_Tree;
56 Automatically_Generated : Boolean;
57 Config_File_Path : String_Access;
58
59 begin
60 if Project_Node_Tree = null then
61 Project_Node_Tree := new Project_Node_Tree_Data;
62 Prj.Tree.Initialize (Project_Node_Tree);
63 end if;
64
65 -- Parse the main project file into a tree
66
67 Sinput.P.Reset_First;
68 Prj.Part.Parse
69 (In_Tree => Project_Node_Tree,
70 Project => Project_Node,
71 Project_File_Name => Project_File_Name,
72 Errout_Handling => Prj.Part.Finalize_If_Error,
73 Packages_To_Check => Packages_To_Check,
74 Current_Directory => Current_Dir,
75 Env => Env,
76 Is_Config_File => False);
77
78 -- If there were no error, process the tree
79
80 if Project_Node /= Empty_Node then
81 begin
82 -- No config file should be read from the disk for gnatmake.
83 -- However, we will simulate one that only contains the default
84 -- GNAT naming scheme.
85
86 Process_Project_And_Apply_Config
87 (Main_Project => The_Project,
88 User_Project_Node => Project_Node,
89 Config_File_Name => No_Configuration_File,
90 Autoconf_Specified => False,
91 Project_Tree => In_Tree,
92 Project_Node_Tree => Project_Node_Tree,
93 Packages_To_Check => null,
94 Allow_Automatic_Generation => False,
95 Automatically_Generated => Automatically_Generated,
96 Config_File_Path => Config_File_Path,
97 Env => Env,
98 Normalized_Hostname => "",
99 On_Load_Config =>
100 Add_Default_GNAT_Naming_Scheme'Access,
101 Reset_Tree => Reset_Tree);
102
103 Success := The_Project /= No_Project;
104
105 exception
106 when E : Invalid_Config =>
107 Osint.Fail (Exception_Message (E));
108 end;
109
110 Prj.Err.Finalize;
111
112 if not Success then
113 The_Project := No_Project;
114 end if;
115 end if;
116
117 Project := The_Project;
118
119 -- ??? Should free the project_node_tree, no longer useful
120
121 exception
122 when X : others =>
123
124 -- Internal error
125
126 Write_Line (Exception_Information (X));
127 Write_Str ("Exception ");
128 Write_Str (Exception_Name (X));
129 Write_Line (" raised, while processing project file");
130 Project := No_Project;
131 end Parse;
132
133 -------------------
134 -- Set_Verbosity --
135 -------------------
136
137 procedure Set_Verbosity (To : Verbosity) is
138 begin
139 Current_Verbosity := To;
140 end Set_Verbosity;
141
142 end Prj.Pars;