1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT COMPILER COMPONENTS                         --
4--                                                                          --
5--                              P A R _ S C O                               --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--          Copyright (C) 2009-2012, 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--  This package contains the routines used to deal with generation and output
27--  of Source Coverage Obligations (SCO's) used for coverage analysis purposes.
28--  See package SCOs for full documentation of format of SCO information.
29
30with Types; use Types;
31
32package Par_SCO is
33
34   -----------------
35   -- Subprograms --
36   -----------------
37
38   procedure Initialize;
39   --  Initialize internal tables for a new compilation
40
41   procedure SCO_Record (U : Unit_Number_Type);
42   --  This procedure scans the tree for the unit identified by U, populating
43   --  internal tables recording the SCO information. Note that this is done
44   --  before any semantic analysis/expansion happens.
45
46   procedure Set_SCO_Condition (Cond : Node_Id; Val : Boolean);
47   --  This procedure is called during semantic analysis to record a condition
48   --  which has been identified as always True or always False, as indicated
49   --  by Val. The condition is identified by the First_Sloc value in the
50   --  original tree associated with Cond.
51
52   procedure Set_SCO_Pragma_Enabled (Loc : Source_Ptr);
53   --  This procedure is called from Sem_Prag when a pragma is enabled (i.e.
54   --  when the Pragma_Enabled flag is set). Loc is the Sloc of the N_Pragma
55   --  node. This is used to enable the corresponding statement SCO entry. Note
56   --  that we use the Sloc as the key here, since in the generic case, the
57   --  analysis is on a copy of the node, which is different from the node
58   --  seen by Par_SCO in the parse tree (but the Sloc values are the same).
59
60   function SCO_Pragma_Disabled (Loc : Source_Ptr) return Boolean;
61   --  True if Loc is the source location of a disabled pragma
62
63   procedure SCO_Output;
64   --  Outputs SCO lines for all units, with appropriate section headers, as
65   --  recorded by previous calls to SCO_Record, possibly modified by calls to
66   --  Set_SCO_Condition.
67
68   procedure dsco;
69   --  Debug routine to dump internal SCO table. This is a raw format dump
70   --  showing exactly what the table contains.
71
72   procedure pscos;
73   --  Debugging procedure to output contents of SCO binary tables in the
74   --  format in which they appear in an ALI file.
75
76end Par_SCO;
77