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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- P U T _ S C O S --
-- --
-- B o d y --
-- --
-- Copyright (C) 2009-2019, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING3. If not, go to --
-- http://www.gnu.org/licenses for a complete copy of the license. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
with Namet;
with Opt;
with SCOs; use SCOs;
procedure Put_SCOs is
Current_SCO_Unit : SCO_Unit_Index := 0;
-- Initial value must not be a valid unit index
procedure Write_SCO_Initiate (SU : SCO_Unit_Index);
-- Start SCO line for unit SU, also emitting SCO unit header if necessary
procedure Write_Instance_Table;
-- Output the SCO table of instances
procedure Output_Range (T : SCO_Table_Entry);
-- Outputs T.From and T.To in line:col-line:col format
procedure Output_Source_Location (Loc : Source_Location);
-- Output source location in line:col format
procedure Output_String (S : String);
-- Output S
------------------
-- Output_Range --
------------------
procedure Output_Range (T : SCO_Table_Entry) is
begin
Output_Source_Location (T.From);
Write_Info_Char ('-');
Output_Source_Location (T.To);
end Output_Range;
----------------------------
-- Output_Source_Location --
----------------------------
procedure Output_Source_Location (Loc : Source_Location) is
begin
Write_Info_Nat (Nat (Loc.Line));
Write_Info_Char (':');
Write_Info_Nat (Nat (Loc.Col));
end Output_Source_Location;
-------------------
-- Output_String --
-------------------
procedure Output_String (S : String) is
begin
for J in S'Range loop
Write_Info_Char (S (J));
end loop;
end Output_String;
--------------------------
-- Write_Instance_Table --
--------------------------
procedure Write_Instance_Table is
begin
for J in 1 .. SCO_Instance_Table.Last loop
declare
SIE : SCO_Instance_Table_Entry
renames SCO_Instance_Table.Table (J);
begin
Output_String ("C i ");
Write_Info_Nat (Nat (J));
Write_Info_Char (' ');
Write_Info_Nat (SIE.Inst_Dep_Num);
Write_Info_Char ('|');
Output_Source_Location (SIE.Inst_Loc);
if SIE.Enclosing_Instance > 0 then
Write_Info_Char (' ');
Write_Info_Nat (Nat (SIE.Enclosing_Instance));
end if;
Write_Info_Terminate;
end;
end loop;
end Write_Instance_Table;
------------------------
-- Write_SCO_Initiate --
------------------------
procedure Write_SCO_Initiate (SU : SCO_Unit_Index) is
SUT : SCO_Unit_Table_Entry renames SCO_Unit_Table.Table (SU);
begin
if Current_SCO_Unit /= SU then
Write_Info_Initiate ('C');
Write_Info_Char (' ');
Write_Info_Nat (SUT.Dep_Num);
Write_Info_Char (' ');
Output_String (SUT.File_Name.all);
Write_Info_Terminate;
Current_SCO_Unit := SU;
end if;
Write_Info_Initiate ('C');
end Write_SCO_Initiate;
-- Start of processing for Put_SCOs
begin
-- Loop through entries in SCO_Unit_Table. Note that entry 0 is by
-- convention present but unused.
for U in 1 .. SCO_Unit_Table.Last loop
declare
SUT : SCO_Unit_Table_Entry renames SCO_Unit_Table.Table (U);
Start : Nat;
Stop : Nat;
begin
Start := SUT.From;
Stop := SUT.To;
-- Loop through SCO entries for this unit
loop
exit when Start = Stop + 1;
pragma Assert (Start <= Stop);
Output_SCO_Line : declare
T : SCO_Table_Entry renames SCO_Table.Table (Start);
Continuation : Boolean;
Ctr : Nat;
-- Counter for statement entries
begin
case T.C1 is
-- Statements (and dominance markers)
when 'S' | '>' =>
Ctr := 0;
Continuation := False;
loop
if Ctr = 0 then
Write_SCO_Initiate (U);
if not Continuation then
Write_Info_Char ('S');
Continuation := True;
else
Write_Info_Char ('s');
end if;
end if;
Write_Info_Char (' ');
declare
Sent : SCO_Table_Entry
renames SCO_Table.Table (Start);
begin
if Sent.C1 = '>' then
Write_Info_Char (Sent.C1);
end if;
if Sent.C2 /= ' ' then
Write_Info_Char (Sent.C2);
if Sent.C1 = 'S'
and then (Sent.C2 = 'P' or else Sent.C2 = 'p')
and then Sent.Pragma_Aspect_Name /= No_Name
then
Write_Info_Name (Sent.Pragma_Aspect_Name);
Write_Info_Char (':');
end if;
end if;
-- For dependence markers (except E), output sloc.
-- For >E and all statement entries, output sloc
-- range.
if Sent.C1 = '>' and then Sent.C2 /= 'E' then
Output_Source_Location (Sent.From);
else
Output_Range (Sent);
end if;
end;
-- Increment entry counter (up to 6 entries per line,
-- continuation lines are marked Cs).
Ctr := Ctr + 1;
if Ctr = 6 then
Write_Info_Terminate;
Ctr := 0;
end if;
exit when SCO_Table.Table (Start).Last;
Start := Start + 1;
end loop;
if Ctr > 0 then
Write_Info_Terminate;
end if;
-- Decision
when 'E' | 'G' | 'I' | 'P' | 'W' | 'X' | 'A' =>
Start := Start + 1;
Write_SCO_Initiate (U);
Write_Info_Char (T.C1);
if T.C1 = 'A' then
Write_Info_Name (T.Pragma_Aspect_Name);
end if;
if T.C1 /= 'X' then
Write_Info_Char (' ');
Output_Source_Location (T.From);
end if;
-- Loop through table entries for this decision
loop
declare
T : SCO_Table_Entry renames SCO_Table.Table (Start);
begin
Write_Info_Char (' ');
if T.C1 = '!' or else
T.C1 = '&' or else
T.C1 = '|'
then
Write_Info_Char (T.C1);
pragma Assert (T.C2 /= '?');
Output_Source_Location (T.From);
else
Write_Info_Char (T.C2);
Output_Range (T);
end if;
exit when T.Last;
Start := Start + 1;
end;
end loop;
Write_Info_Terminate;
when ASCII.NUL =>
-- Nullified entry: skip
null;
when others =>
raise Program_Error;
end case;
end Output_SCO_Line;
Start := Start + 1;
end loop;
end;
end loop;
if Opt.Generate_SCO_Instance_Table then
Write_Instance_Table;
end if;
end Put_SCOs;
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