parse.c (gfc_statement_next_fixed): (Change from Andy's tree) Detect bad…

parse.c (gfc_statement_next_fixed): (Change from Andy's tree) Detect bad continuation line in fixed form sources.

fortran:
* parse.c (gfc_statement_next_fixed): (Change from Andy's tree)
Detect bad continuation line in fixed form sources.

testsuite:
* gfortran.fortran-torture/compile/noncontinuation_1.f90: New
test.

From-SVN: r81845

gcc/fortran/ChangeLog

 2004-05-14  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
 
+	* parse.c (gfc_statement_next_fixed): (Change from Andy's tree)
+	Detect bad continuation line in fixed form sources.
+
+2004-05-14  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
+
 	PR fortran/15205
 	* iresolve.c (gfc_resolve_nearest): Add new function.
 	* intrinsic.h: ... declare it here.

gcc/fortran/parse.c

@@ -420,11 +420,20 @@ next_fixed (void)
     }
 
   /* Since this line starts a statement, it cannot be a continuation
-     of a previous statement.  Hence we mostly ignore column 6.  */
+     of a previous statement.  If we see something here besides a
+     space or zero, it must be a bad continuation line.  */
 
-  if (gfc_next_char_literal (0) == '\n')
+  c = gfc_next_char_literal (0);
+  if (c == '\n')
     goto blank_line;
 
+  if (c != ' ' && c!= '0')
+    {
+      gfc_buffer_error (0);
+      gfc_error ("Bad continuation line at %C");
+      return ST_NONE;
+    }
+
   /* Now that we've taken care of the statement label columns, we have
      to make sure that the first nonblank character is not a '!'.  If
      it is, the rest of the line is a comment.  */

gcc/testsuite/ChangeLog

 2004-05-14  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
 
+	* gfortran.fortran-torture/compile/noncontinuation_1.f90: New 
+	test.
+
+2004-05-14  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
+
 	PR fortran/14066
 	* gfortran.fortran-torture/compile/do_1.f90: New test.
 

gcc/testsuite/gfortran.fortran-torture/compile/noncontinuation_1.f90

+! verifies that 0 in column six doesn't start a continuation line
+!234567890
+     0 END