diff mbox series

[6/6] allow [*] in array declarators

Message ID 20200723234641.78462-7-luc.vanoostenryck@gmail.com (mailing list archive)
State Mainlined, archived
Headers show
Series fix parsing of C99's array declarators | expand

Commit Message

Luc Van Oostenryck July 23, 2020, 11:46 p.m. UTC 
Since C99, a '*' is allowed in an abstract array declarator to
specify that the array is a VLA with a yet-to-be-determined size.

So, accept this construction (but still ignore it for now).

Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
---
 parse.c                                     | 7 ++++++-
 validation/abstract-array-declarator-star.c | 1 -
 2 files changed, 6 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/parse.c b/parse.c
index c7ca3dce7f6b..6db70f1a95e9 100644
--- a/parse.c
+++ b/parse.c
@@ -1717,7 +1717,12 @@  static struct token *abstract_array_declarator(struct token *token, struct symbo
 		has_static |= (sym->op->type & KW_STATIC);
 		token = token->next;
 	}
-	token = assignment_expression(token, &expr);
+	if (match_op(token, '*') && match_op(token->next, ']')) {
+		// FIXME: '[*]' is treated like '[]'
+		token = token->next;
+	} else {
+		token = assignment_expression(token, &expr);
+	}
 	sym->array_size = expr;
 	return token;
 }
diff --git a/validation/abstract-array-declarator-star.c b/validation/abstract-array-declarator-star.c
index fdbdff19840d..fc42da3ae6c9 100644
--- a/validation/abstract-array-declarator-star.c
+++ b/validation/abstract-array-declarator-star.c
@@ -5,5 +5,4 @@  void ok9(int a[const volatile restrict *]);
 
 /*
  * check-name: abstract-array-declarator-star
- * check-known-to-fail
  */