diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Sema.zig | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/Sema.zig b/src/Sema.zig index a49aec871b..1ee5bf71b1 100644 --- a/src/Sema.zig +++ b/src/Sema.zig @@ -2586,6 +2586,7 @@ fn zirEnumDecl( var cur_bit_bag: u32 = undefined; var field_i: u32 = 0; var last_tag_val: ?Value = null; + var tag_val_buf: Value.Payload.U64 = undefined; while (field_i < fields_len) : (field_i += 1) { if (field_i % 32 == 0) { cur_bit_bag = sema.code.extra[bit_bag_index]; @@ -2641,6 +2642,21 @@ fn zirEnumDecl( .ty = enum_obj.tag_ty, .mod = mod, }); + } else { + tag_val_buf = .{ + .base = .{ .tag = .int_u64 }, + .data = field_i, + }; + last_tag_val = Value.initPayload(&tag_val_buf.base); + } + + if (!(try sema.intFitsInType(block, src, last_tag_val.?, enum_obj.tag_ty, null))) { + const tree = try sema.getAstTree(block); + const field_src = enumFieldSrcLoc(sema.mod.declPtr(block.src_decl), tree.*, src.node_offset.x, field_i); + const msg = try sema.errMsg(block, field_src, "enumeration value '{}' too large for type '{}'", .{ + last_tag_val.?.fmtValue(enum_obj.tag_ty, mod), enum_obj.tag_ty.fmt(mod), + }); + return sema.failWithOwnedErrorMsg(msg); } } return decl_val; |