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sinput-l.ads, [...]: implement a new pragma No_Body 

2007-04-20  Robert Dewar  <dewar@adacore.com>

	* sinput-l.ads, sinput-l.adb: implement a new pragma No_Body

From-SVN: r125462
This commit is contained in:
Robert Dewar 2007-06-06 12:47:30 +02:00 committed by Arnaud Charlet
parent ff68219171
commit 0600d9bc83
2 changed files with 39 additions and 3 deletions
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35
gcc/ada/sinput-l.adb
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@ -6,7 +6,7 @@
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2006, Free Software Foundation, Inc. --
-- Copyright (C) 1992-2007, 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- --
@ -29,7 +29,6 @@ with Atree; use Atree;
with Debug; use Debug;
with Einfo; use Einfo;
with Errout; use Errout;
with Namet; use Namet;
with Opt; use Opt;
with Osint; use Osint;
with Output; use Output;
@ -38,6 +37,7 @@ with Prepcomp; use Prepcomp;
with Scans; use Scans;
with Scn; use Scn;
with Sinfo; use Sinfo;
with Snames; use Snames;
with System; use System;
with Unchecked_Conversion;
@ -641,6 +641,37 @@ package body Sinput.L is
Prep_Buffer (Prep_Buffer_Last) := C;
end Put_Char_In_Prep_Buffer;
-----------------------------------
-- Source_File_Is_Pragma_No_Body --
-----------------------------------
function Source_File_Is_No_Body (X : Source_File_Index) return Boolean is
begin
Initialize_Scanner (No_Unit, X);
if Token /= Tok_Pragma then
return False;
end if;
Scan; -- past pragma
if Token /= Tok_Identifier
or else Chars (Token_Node) /= Name_No_Body
then
return False;
end if;
Scan; -- past No_Body
if Token /= Tok_Semicolon then
return False;
end if;
Scan; -- past semicolon
return Token = Tok_EOF;
end Source_File_Is_No_Body;
----------------------------
-- Source_File_Is_Subunit --
----------------------------

7
gcc/ada/sinput-l.ads
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@ -6,7 +6,7 @@
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2005, Free Software Foundation, Inc. --
-- Copyright (C) 1992-2007, 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- --
@ -65,6 +65,11 @@ package Sinput.L is
-- Called on completing the parsing of a source file. This call completes
-- the source file table entry for the current source file.
function Source_File_Is_No_Body (X : Source_File_Index) return Boolean;
-- Returns true if the designated source file contains pragma No_Body;
-- and no other tokens. If the source file contains anything other than
-- this sequence of three tokens, then False is returned.
function Source_File_Is_Subunit (X : Source_File_Index) return Boolean;
-- This function determines if a source file represents a subunit. It
-- works by scanning for the first compilation unit token, and returning