diff options
| -rw-r--r-- | decl.c | 9 |
1 files changed, 8 insertions, 1 deletions
@@ -450,6 +450,7 @@ declaratortypes(struct scope *s, struct list *result, char **name, bool allowabs struct list *ptr; struct type *t; struct param **p; + struct expr *e; uint64_t i; enum typequal tq; @@ -547,7 +548,13 @@ declaratortypes(struct scope *s, struct list *result, char **name, bool allowabs i = 0; next(); } else { - i = intconstexpr(s, false); + e = constexpr(s); + if (e->kind != EXPRCONST || !(e->type->prop & PROPINT)) + error(&tok.loc, "VLAs are not yet supported"); + i = e->constant.i; + if (i == 0 || e->type->basic.issigned && i > INT64_MAX) + error(&tok.loc, "array length must be positive"); + delexpr(e); expect(TRBRACK, "after array length"); } t = mkarraytype(NULL, tq, i); |