diff options
| -rw-r--r-- | parse.c | 5 | ||||
| -rw-r--r-- | validation/label-positioning.c | 22 |
2 files changed, 27 insertions, 0 deletions
@@ -2329,6 +2329,11 @@ static inline struct token *case_statement(struct token *token, struct statement stmt->type = STMT_CASE; token = expect(token, ':', "after default/case"); add_case_statement(stmt); + if (match_op(token, '}')) { + warning(token->pos, "statement expected after case label"); + stmt->case_statement = alloc_statement(token->pos, STMT_NONE); + return token; + } return statement(token, &stmt->case_statement); } diff --git a/validation/label-positioning.c b/validation/label-positioning.c new file mode 100644 index 00000000..583661ca --- /dev/null +++ b/validation/label-positioning.c @@ -0,0 +1,22 @@ +extern int someval(void); + +static void func (int x) +{ + if (x > someval()) + goto end; + switch (x) { case 0: } + switch (x) { case 1 ... 9: } + switch (x) { default: } +end: +} + +/* + * check-name: label-positioning + * + * check-error-start +label-positioning.c:7:30: warning: statement expected after case label +label-positioning.c:8:36: warning: statement expected after case label +label-positioning.c:9:31: warning: statement expected after case label +label-positioning.c:11:1: warning: statement expected after label + * check-error-end + */ |