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-rw-r--r--gcc/fortran/ChangeLog6
-rw-r--r--gcc/fortran/match.c15
2 files changed, 15 insertions, 6 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 4ed7899..a787c9d 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -6,6 +6,12 @@
PR fortran/16404
* io.c (match_io): Flag 'WRITE(...), ...' as extension.
+
+ PR fortran/16404
+ * match.c (gfc_match_program): A program name is obligatory.
+ (gfc_match_return): RETURN in main program is an extension.
+ (gfc_match_block_data): A space is required before a block data
+ name.
2004-07-11 Joseph S. Myers <jsm@polyomino.org.uk>
diff --git a/gcc/fortran/match.c b/gcc/fortran/match.c
index 040142f..0b9dc73 100644
--- a/gcc/fortran/match.c
+++ b/gcc/fortran/match.c
@@ -791,7 +791,7 @@ not_yes:
/*********************** Statement level matching **********************/
/* Matches the start of a program unit, which is the program keyword
- followed by an optional symbol. */
+ followed by an obligatory symbol. */
match
gfc_match_program (void)
@@ -799,10 +799,6 @@ gfc_match_program (void)
gfc_symbol *sym;
match m;
- m = gfc_match_eos ();
- if (m == MATCH_YES)
- return m;
-
m = gfc_match ("% %s%t", &sym);
if (m == MATCH_NO)
@@ -1897,6 +1893,13 @@ gfc_match_return (void)
{
gfc_expr *e;
match m;
+ gfc_compile_state s;
+
+ gfc_enclosing_unit (&s);
+ if (s == COMP_PROGRAM
+ && gfc_notify_std (GFC_STD_GNU, "RETURN statement in a main "
+ "program at %C is an extension.") == FAILURE)
+ return MATCH_ERROR;
e = NULL;
if (gfc_match_eos () == MATCH_YES)
@@ -2295,7 +2298,7 @@ gfc_match_block_data (void)
return MATCH_YES;
}
- m = gfc_match (" %n%t", name);
+ m = gfc_match ("% %n%t", name);
if (m != MATCH_YES)
return MATCH_ERROR;