authorgravatar for git@vexu.euVeikka Tuominen <git@vexu.eu> 2020-01-16 09:23:26+02:00
committergravatar for git@vexu.euVeikka Tuominen <git@vexu.eu> 2020-01-16 09:23:26+02:00
logcb257b4e11768ccce93d7cf11c416fa8e745f206
treeb6bab13b2c8ebb11ed12cc028827aa98a5459e8a
parentd84569895c80136d9b081a319301a737f342d251
signature Commit is signed but in an unrecognized format.

allow non-exhaustive enums with no fields

1 files changed, 2 insertions(+), 3 deletions(-)

src/analyze.cpp+2-3
......@@ -2560,8 +2560,7 @@ static Error resolve_enum_zero_bits(CodeGen *g, ZigType *enum_type) {
25602560
25612561 assert(!enum_type->data.enumeration.fields);
25622562 uint32_t field_count = (uint32_t)decl_node->data.container_decl.fields.length;
2563 if (field_count == 0 || (field_count == 1 &&
2564 buf_eql_str(decl_node->data.container_decl.fields.at(0)->data.struct_field.name, "_"))) {
2563 if (field_count == 0) {
25652564 add_node_error(g, decl_node, buf_sprintf("enums must have 1 or more fields"));
25662565
25672566 enum_type->data.enumeration.src_field_count = field_count;
......@@ -2657,7 +2656,7 @@ static Error resolve_enum_zero_bits(CodeGen *g, ZigType *enum_type) {
26572656 add_node_error(g, field_node, buf_sprintf("non-exhaustive enum must specify size"));
26582657 enum_type->data.enumeration.resolve_status = ResolveStatusInvalid;
26592658 }
2660 if (log2_u64(field_count - 1) == enum_type->size_in_bits) {
2659 if (field_count > 1 && log2_u64(field_count - 1) == enum_type->size_in_bits) {
26612660 add_node_error(g, field_node, buf_sprintf("non-exhaustive enum specifies every value"));
26622661 enum_type->data.enumeration.resolve_status = ResolveStatusInvalid;
26632662 }