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authorcharlet <charlet@138bc75d-0d04-0410-961f-82ee72b054a4>2007-06-06 10:47:30 +0000
committercharlet <charlet@138bc75d-0d04-0410-961f-82ee72b054a4>2007-06-06 10:47:30 +0000
commit80aeb5828dacd765b9dded31f586b871c3cb1dd6 (patch)
treed398210e4f92106bb31f0bcbe95e1f72c3e41539 /gcc/ada
parent715e035e9477bae8708dc45e18fd2e5178ec41e6 (diff)
downloadgcc-80aeb5828dacd765b9dded31f586b871c3cb1dd6.tar.gz
2007-04-20 Robert Dewar <dewar@adacore.com>
* sinput-l.ads, sinput-l.adb: implement a new pragma No_Body git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@125462 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ada')
-rw-r--r--gcc/ada/sinput-l.adb35
-rw-r--r--gcc/ada/sinput-l.ads7
2 files changed, 39 insertions, 3 deletions
diff --git a/gcc/ada/sinput-l.adb b/gcc/ada/sinput-l.adb
index b1062b75716..03706f1c764 100644
--- a/gcc/ada/sinput-l.adb
+++ b/gcc/ada/sinput-l.adb
@@ -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 --
----------------------------
diff --git a/gcc/ada/sinput-l.ads b/gcc/ada/sinput-l.ads
index 7a4dda8f4de..4fb6ba7d2e4 100644
--- a/gcc/ada/sinput-l.ads
+++ b/gcc/ada/sinput-l.ads
@@ -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