From d3480dd58211d9d8c06ec7ef00089262603003ff Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Wed, 14 Jul 2021 14:33:37 +0200 Subject: awk: disallow break/continue outside of loops function old new delta .rodata 104139 104186 +47 chain_group 610 633 +23 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 70/0) Total: 70 bytes Signed-off-by: Denys Vlasenko --- editors/awk.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'editors/awk.c') diff --git a/editors/awk.c b/editors/awk.c index 2f8a18c..607d694 100644 --- a/editors/awk.c +++ b/editors/awk.c @@ -1671,16 +1671,18 @@ static void chain_group(void) case OC_BREAK: debug_printf_parse("%s: OC_BREAK\n", __func__); n = chain_node(OC_EXEC); + if (!break_ptr) + syntax_error("'break' not in a loop"); n->a.n = break_ptr; -//TODO: if break_ptr is NULL, syntax error (not in the loop)? chain_expr(t_info); break; case OC_CONTINUE: debug_printf_parse("%s: OC_CONTINUE\n", __func__); n = chain_node(OC_EXEC); + if (!continue_ptr) + syntax_error("'continue' not in a loop"); n->a.n = continue_ptr; -//TODO: if continue_ptr is NULL, syntax error (not in the loop)? chain_expr(t_info); break; -- cgit v1.1