a68: fix error handling in top-down parser

Signed-off-by: Jose E. Marchesi <jemarch@gnu.org>
gcc/algol68/ChangeLog

	* a68-parser-top-down.cc (a68_top_down_parser): Stop parsing after
	longjump.

gcc/testsuite/ChangeLog

	* algol68/compile/error-loop-1.a68: New test.

diff --git a/gcc/algol68/a68-parser-top-down.cc b/gcc/algol68/a68-parser-top-down.cc
index e4a3bf8c854a4a2b03e059f249d251293ecfbcf4..4a79e58217a3e0fc4692732bcc8c1b85f6b16e17 100644 (file)
--- a/gcc/algol68/a68-parser-top-down.cc
+++ b/gcc/algol68/a68-parser-top-down.cc
@@ -891,9 +891,9 @@ a68_top_down_parser (NODE_T *p)
        (void) top_down_prelude_packet (p);
       else
        (void) top_down_particular_program (p);
-    }
 
-  top_down_loops (p);
-  top_down_formats (p);
-  top_down_access (p);
+      top_down_loops (p);
+      top_down_formats (p);
+      top_down_access (p);
+    }
 }

diff --git a/gcc/testsuite/algol68/compile/error-loop-1.a68 b/gcc/testsuite/algol68/compile/error-loop-1.a68
new file mode 100644 (file)
index 0000000..bc3b2e2
--- /dev/null
+++ b/gcc/testsuite/algol68/compile/error-loop-1.a68
@@ -0,0 +1 @@
+from i from 1 to 10 do skip od { dg-error "" }