gcc/ada/par_sco.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                              P A R _ S C O                               --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 2009-2014, 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 --  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
  30 with Types; use Types;
  31
  32 package 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_Raw (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_Logical_Operator (Op : Node_Id);
  53    --  Mark some putative logical operator as a short circuit one
  54
  55    procedure Set_SCO_Pragma_Enabled (Loc : Source_Ptr);
  56    --  This procedure is called from Sem_Prag when a pragma is enabled (i.e.
  57    --  when the Pragma_Enabled flag is set). Loc is the Sloc of the N_Pragma
  58    --  node. This is used to enable the corresponding statement SCO entry. Note
  59    --  that we use the Sloc as the key here, since in the generic case, the
  60    --  analysis is on a copy of the node, which is different from the node
  61    --  seen by Par_SCO in the parse tree (but the Sloc values are the same).
  62
  63    function SCO_Pragma_Disabled (Loc : Source_Ptr) return Boolean;
  64    --  True if Loc is the source location of a disabled pragma
  65
  66    procedure SCO_Record_Filtered;
  67    --  This procedure filters remaining putative AND/OR short-circuit operators
  68    --  from the internal SCO raw table after the semantic analysis and fills
  69    --  the filtered SCO table.
  70
  71    procedure SCO_Output;
  72    --  Outputs SCO lines for all units, with appropriate section headers, as
  73    --  recorded by previous calls to SCO_Record, possibly modified by calls to
  74    --  Set_SCO_Condition.
  75
  76    procedure dsco;
  77    --  Debug routine to dump internal SCO tables. This is a raw format dump
  78    --  showing exactly what the tables contain.
  79
  80    procedure pscos;
  81    --  Debugging procedure to output contents of SCO binary tables in the
  82    --  format in which they appear in an ALI file.
  83
  84 end Par_SCO;