authorgravatar for git@vexu.euVeikka Tuominen <git@vexu.eu> 2022-12-11 19:02:18+02:00
committergravatar for git@vexu.euVeikka Tuominen <git@vexu.eu> 2022-12-14 14:08:21+02:00
log927d20b46b5e959aeaa92cb6a1e782ad13c25e01
tree8dfd033bfd8fc158ab90d0d0270cc883a9724e82
parent423d7a74a479c1fae16024daed8edfbb2cf1b857

Sema: implement missing stage1 errors

64 files changed, 680 insertions(+), 514 deletions(-)

src/Sema.zig+233-50
......@@ -4109,6 +4109,8 @@ fn validateUnionInit(
41094109 const union_init = try sema.addConstant(union_ty, union_val);
41104110 try sema.storePtr2(block, init_src, union_ptr, init_src, union_init, init_src, .store);
41114111 return;
4112 } else if (try sema.typeRequiresComptime(union_ty)) {
4113 return sema.failWithNeededComptime(block, field_ptr_data.src(), "initializer of comptime only union must be comptime-known");
41124114 }
41134115
41144116 const new_tag = try sema.addConstant(tag_ty, tag_val);
......@@ -4226,6 +4228,7 @@ fn validateStructInit(
42264228 var first_block_index = block.instructions.items.len;
42274229 var make_runtime = false;
42284230
4231 const require_comptime = try sema.typeRequiresComptime(struct_ty);
42294232 const air_tags = sema.air_instructions.items(.tag);
42304233 const air_datas = sema.air_instructions.items(.data);
42314234
......@@ -4301,6 +4304,9 @@ fn validateStructInit(
43014304 }
43024305 if (try sema.resolveMaybeUndefValAllowVariablesMaybeRuntime(bin_op.rhs, &make_runtime)) |val| {
43034306 field_values[i] = val;
4307 } else if (require_comptime) {
4308 const field_ptr_data = sema.code.instructions.items(.data)[field_ptr].pl_node;
4309 return sema.failWithNeededComptime(block, field_ptr_data.src(), "initializer of comptime only struct must be comptime-known");
43044310 } else {
43054311 struct_is_comptime = false;
43064312 }
......@@ -5402,7 +5408,7 @@ fn zirExport(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError!void
54025408 const options = sema.resolveExportOptions(block, .unneeded, extra.options) catch |err| switch (err) {
54035409 error.NeededSourceLocation => {
54045410 _ = try sema.resolveExportOptions(block, options_src, extra.options);
5405 return error.AnalysisFail;
5411 unreachable;
54065412 },
54075413 else => |e| return e,
54085414 };
......@@ -5429,7 +5435,7 @@ fn zirExportValue(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError
54295435 const options = sema.resolveExportOptions(block, .unneeded, extra.options) catch |err| switch (err) {
54305436 error.NeededSourceLocation => {
54315437 _ = try sema.resolveExportOptions(block, options_src, extra.options);
5432 return error.AnalysisFail;
5438 unreachable;
54335439 },
54345440 else => |e| return e,
54355441 };
......@@ -6512,7 +6518,7 @@ fn analyzeCall(
65126518 func_ty_info.param_types,
65136519 func,
65146520 );
6515 return error.AnalysisFail;
6521 unreachable;
65166522 },
65176523 else => |e| return e,
65186524 };
......@@ -6674,7 +6680,7 @@ fn analyzeCall(
66746680 uncasted_arg,
66756681 opts,
66766682 );
6677 return error.AnalysisFail;
6683 unreachable;
66786684 },
66796685 else => |e| return e,
66806686 };
......@@ -6687,7 +6693,7 @@ fn analyzeCall(
66876693 uncasted_arg,
66886694 Module.argSrc(call_src.node_offset.x, sema.gpa, decl, i, bound_arg_src),
66896695 );
6690 return error.AnalysisFail;
6696 unreachable;
66916697 },
66926698 else => |e| return e,
66936699 };
......@@ -6991,7 +6997,7 @@ fn instantiateGenericCall(
69916997 const decl = sema.mod.declPtr(block.src_decl);
69926998 const arg_src = Module.argSrc(call_src.node_offset.x, sema.gpa, decl, i, bound_arg_src);
69936999 _ = try sema.analyzeGenericCallArgVal(block, arg_src, uncasted_args[i]);
6994 return error.AnalysisFail;
7000 unreachable;
69957001 },
69967002 else => |e| return e,
69977003 };
......@@ -7174,7 +7180,7 @@ fn instantiateGenericCall(
71747180 const decl = sema.mod.declPtr(block.src_decl);
71757181 const arg_src = Module.argSrc(call_src.node_offset.x, sema.gpa, decl, arg_i, bound_arg_src);
71767182 _ = try sema.resolveConstValue(block, arg_src, arg, "argument to parameter with comptime-only type must be comptime-known");
7177 return error.AnalysisFail;
7183 unreachable;
71787184 },
71797185 else => |e| return e,
71807186 };
......@@ -7330,7 +7336,7 @@ fn instantiateGenericCall(
73307336 new_fn_info,
73317337 &runtime_i,
73327338 );
7333 return error.AnalysisFail;
7339 unreachable;
73347340 },
73357341 else => |e| return e,
73367342 };
......@@ -8417,6 +8423,10 @@ fn funcCommon(
84178423 const param_types = try sema.arena.alloc(Type, block.params.items.len);
84188424 const comptime_params = try sema.arena.alloc(bool, block.params.items.len);
84198425 for (block.params.items) |param, i| {
8426 const is_noalias = blk: {
8427 const index = std.math.cast(u5, i) orelse break :blk false;
8428 break :blk @truncate(u1, noalias_bits >> index) != 0;
8429 };
84208430 param_types[i] = param.ty;
84218431 sema.analyzeParameter(
84228432 block,
......@@ -8427,6 +8437,7 @@ fn funcCommon(
84278437 &is_generic,
84288438 cc_resolved,
84298439 has_body,
8440 is_noalias,
84308441 ) catch |err| switch (err) {
84318442 error.NeededSourceLocation => {
84328443 const decl = sema.mod.declPtr(block.src_decl);
......@@ -8439,8 +8450,9 @@ fn funcCommon(
84398450 &is_generic,
84408451 cc_resolved,
84418452 has_body,
8453 is_noalias,
84428454 );
8443 return error.AnalysisFail;
8455 unreachable;
84448456 },
84458457 else => |e| return e,
84468458 };
......@@ -8689,6 +8701,7 @@ fn analyzeParameter(
86898701 is_generic: *bool,
86908702 cc: std.builtin.CallingConvention,
86918703 has_body: bool,
8704 is_noalias: bool,
86928705) !void {
86938706 const requires_comptime = try sema.typeRequiresComptime(param.ty);
86948707 comptime_params[i] = param.is_comptime or requires_comptime;
......@@ -8743,6 +8756,9 @@ fn analyzeParameter(
87438756 };
87448757 return sema.failWithOwnedErrorMsg(msg);
87458758 }
8759 if (!this_generic and is_noalias and !param.ty.isPtrAtRuntime()) {
8760 return sema.fail(block, param_src, "non-pointer parameter declared noalias", .{});
8761 }
87468762}
87478763
87488764fn zirParam(
......@@ -10633,7 +10649,7 @@ fn zirSwitchBlock(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError
1063310649 const case_src = Module.SwitchProngSrc{ .range = .{ .prong = multi_i, .item = range_i } };
1063410650 const decl = sema.mod.declPtr(case_block.src_decl);
1063510651 try sema.emitBackwardBranch(block, case_src.resolve(sema.gpa, decl, src_node_offset, .none));
10636 return error.AnalysisFail;
10652 unreachable;
1063710653 },
1063810654 else => return err,
1063910655 };
......@@ -10669,7 +10685,7 @@ fn zirSwitchBlock(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError
1066910685 const case_src = Module.SwitchProngSrc{ .multi = .{ .prong = multi_i, .item = @intCast(u32, item_i) } };
1067010686 const decl = sema.mod.declPtr(case_block.src_decl);
1067110687 try sema.emitBackwardBranch(block, case_src.resolve(sema.gpa, decl, src_node_offset, .none));
10672 return error.AnalysisFail;
10688 unreachable;
1067310689 },
1067410690 else => return err,
1067510691 };
......@@ -11101,10 +11117,8 @@ fn resolveSwitchItemVal(
1110111117 } else |err| switch (err) {
1110211118 error.NeededSourceLocation => {
1110311119 const src = switch_prong_src.resolve(sema.gpa, sema.mod.declPtr(block.src_decl), switch_node_offset, range_expand);
11104 return TypedValue{
11105 .ty = item_ty,
11106 .val = try sema.resolveConstValue(block, src, item, "switch prong values must be comptime-known"),
11107 };
11120 _ = try sema.resolveConstValue(block, src, item, "switch prong values must be comptime-known");
11121 unreachable;
1110811122 },
1110911123 else => |e| return e,
1111011124 }
......@@ -11618,6 +11632,21 @@ fn zirShl(
1161811632 });
1161911633 }
1162011634 }
11635 if (rhs_ty.zigTypeTag() == .Vector) {
11636 var i: usize = 0;
11637 while (i < rhs_ty.vectorLen()) : (i += 1) {
11638 if (rhs_val.indexVectorlike(i).compareHetero(.lt, Value.zero, target)) {
11639 return sema.fail(block, rhs_src, "shift by negative amount '{}' at index '{d}'", .{
11640 rhs_val.indexVectorlike(i).fmtValue(scalar_ty, sema.mod),
11641 i,
11642 });
11643 }
11644 }
11645 } else if (rhs_val.compareHetero(.lt, Value.zero, target)) {
11646 return sema.fail(block, rhs_src, "shift by negative amount '{}'", .{
11647 rhs_val.fmtValue(scalar_ty, sema.mod),
11648 });
11649 }
1162111650 }
1162211651
1162311652 const runtime_src = if (maybe_lhs_val) |lhs_val| rs: {
......@@ -11787,6 +11816,21 @@ fn zirShr(
1178711816 });
1178811817 }
1178911818 }
11819 if (rhs_ty.zigTypeTag() == .Vector) {
11820 var i: usize = 0;
11821 while (i < rhs_ty.vectorLen()) : (i += 1) {
11822 if (rhs_val.indexVectorlike(i).compareHetero(.lt, Value.zero, target)) {
11823 return sema.fail(block, rhs_src, "shift by negative amount '{}' at index '{d}'", .{
11824 rhs_val.indexVectorlike(i).fmtValue(scalar_ty, sema.mod),
11825 i,
11826 });
11827 }
11828 }
11829 } else if (rhs_val.compareHetero(.lt, Value.zero, target)) {
11830 return sema.fail(block, rhs_src, "shift by negative amount '{}'", .{
11831 rhs_val.fmtValue(scalar_ty, sema.mod),
11832 });
11833 }
1179011834 if (maybe_lhs_val) |lhs_val| {
1179111835 if (lhs_val.isUndef()) {
1179211836 return sema.addConstUndef(lhs_ty);
......@@ -14721,7 +14765,9 @@ fn analyzeCmp(
1472114765) CompileError!Air.Inst.Ref {
1472214766 const lhs_ty = sema.typeOf(lhs);
1472314767 const rhs_ty = sema.typeOf(rhs);
14724 try sema.checkVectorizableBinaryOperands(block, src, lhs_ty, rhs_ty, lhs_src, rhs_src);
14768 if (lhs_ty.zigTypeTag() != .Optional and rhs_ty.zigTypeTag() != .Optional) {
14769 try sema.checkVectorizableBinaryOperands(block, src, lhs_ty, rhs_ty, lhs_src, rhs_src);
14770 }
1472514771
1472614772 if (lhs_ty.zigTypeTag() == .Vector and rhs_ty.zigTypeTag() == .Vector) {
1472714773 return sema.cmpVector(block, src, lhs, rhs, op, lhs_src, rhs_src);
......@@ -15217,12 +15263,17 @@ fn zirTypeInfo(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError!Ai
1521715263 try Value.Tag.ty.create(params_anon_decl.arena(), try param_ty.copy(params_anon_decl.arena())),
1521815264 );
1521915265
15266 const is_noalias = blk: {
15267 const index = std.math.cast(u5, i) orelse break :blk false;
15268 break :blk @truncate(u1, info.noalias_bits >> index) != 0;
15269 };
15270
1522015271 const param_fields = try params_anon_decl.arena().create([3]Value);
1522115272 param_fields.* = .{
1522215273 // is_generic: bool,
1522315274 Value.makeBool(is_generic),
1522415275 // is_noalias: bool,
15225 Value.false, // TODO
15276 Value.makeBool(is_noalias),
1522615277 // arg_type: ?type,
1522715278 param_ty_val,
1522815279 };
......@@ -17409,7 +17460,7 @@ fn zirStructInitAnon(
1740917460 const decl = sema.mod.declPtr(block.src_decl);
1741017461 const field_src = Module.initSrc(src.node_offset.x, sema.gpa, decl, runtime_index);
1741117462 try sema.requireRuntimeBlock(block, src, field_src);
17412 return error.AnalysisFail;
17463 unreachable;
1741317464 },
1741417465 else => |e| return e,
1741517466 };
......@@ -17474,25 +17525,31 @@ fn zirArrayInit(
1747417525 defer gpa.free(resolved_args);
1747517526 for (args[1..]) |arg, i| {
1747617527 const resolved_arg = try sema.resolveInst(arg);
17477 const arg_src = src; // TODO better source location
1747817528 const elem_ty = if (array_ty.zigTypeTag() == .Struct)
1747917529 array_ty.structFieldType(i)
1748017530 else
1748117531 array_ty.elemType2();
17482 resolved_args[i] = try sema.coerce(block, elem_ty, resolved_arg, arg_src);
17532 resolved_args[i] = sema.coerce(block, elem_ty, resolved_arg, .unneeded) catch |err| switch (err) {
17533 error.NeededSourceLocation => {
17534 const decl = sema.mod.declPtr(block.src_decl);
17535 const elem_src = Module.initSrc(src.node_offset.x, sema.gpa, decl, i);
17536 _ = try sema.coerce(block, elem_ty, resolved_arg, elem_src);
17537 unreachable;
17538 },
17539 else => return err,
17540 };
1748317541 }
1748417542
1748517543 if (sentinel_val) |some| {
1748617544 resolved_args[resolved_args.len - 1] = try sema.addConstant(array_ty.elemType2(), some);
1748717545 }
1748817546
17489 const opt_runtime_src: ?LazySrcLoc = for (resolved_args) |arg| {
17490 const arg_src = src; // TODO better source location
17547 const opt_runtime_index: ?u32 = for (resolved_args) |arg, i| {
1749117548 const comptime_known = try sema.isComptimeKnown(arg);
17492 if (!comptime_known) break arg_src;
17549 if (!comptime_known) break @intCast(u32, i);
1749317550 } else null;
1749417551
17495 const runtime_src = opt_runtime_src orelse {
17552 const runtime_index = opt_runtime_index orelse {
1749617553 const elem_vals = try sema.arena.alloc(Value, resolved_args.len);
1749717554
1749817555 for (resolved_args) |arg, i| {
......@@ -17504,7 +17561,15 @@ fn zirArrayInit(
1750417561 return sema.addConstantMaybeRef(block, array_ty, array_val, is_ref);
1750517562 };
1750617563
17507 try sema.requireRuntimeBlock(block, src, runtime_src);
17564 sema.requireRuntimeBlock(block, src, .unneeded) catch |err| switch (err) {
17565 error.NeededSourceLocation => {
17566 const decl = sema.mod.declPtr(block.src_decl);
17567 const elem_src = Module.initSrc(src.node_offset.x, sema.gpa, decl, runtime_index);
17568 try sema.requireRuntimeBlock(block, src, elem_src);
17569 unreachable;
17570 },
17571 else => return err,
17572 };
1750817573 try sema.queueFullTypeResolution(array_ty);
1750917574
1751017575 if (is_ref) {
......@@ -18502,10 +18567,47 @@ fn zirReify(sema: *Sema, block: *Block, extended: Zir.Inst.Extended.InstData, in
1850218567 }
1850318568
1850418569 var buffer: Value.ToTypeBuffer = undefined;
18570 const field_ty = try field_type_val.toType(&buffer).copy(new_decl_arena_allocator);
1850518571 gop.value_ptr.* = .{
18506 .ty = try field_type_val.toType(&buffer).copy(new_decl_arena_allocator),
18572 .ty = field_ty,
1850718573 .abi_align = @intCast(u32, (try alignment_val.getUnsignedIntAdvanced(target, sema)).?),
1850818574 };
18575
18576 if (field_ty.zigTypeTag() == .Opaque) {
18577 const msg = msg: {
18578 const msg = try sema.errMsg(block, src, "opaque types have unknown size and therefore cannot be directly embedded in unions", .{});
18579 errdefer msg.destroy(sema.gpa);
18580
18581 try sema.addDeclaredHereNote(msg, field_ty);
18582 break :msg msg;
18583 };
18584 return sema.failWithOwnedErrorMsg(msg);
18585 }
18586 if (union_obj.layout == .Extern and !try sema.validateExternType(field_ty, .union_field)) {
18587 const msg = msg: {
18588 const msg = try sema.errMsg(block, src, "extern unions cannot contain fields of type '{}'", .{field_ty.fmt(sema.mod)});
18589 errdefer msg.destroy(sema.gpa);
18590
18591 const src_decl = sema.mod.declPtr(block.src_decl);
18592 try sema.explainWhyTypeIsNotExtern(msg, src.toSrcLoc(src_decl), field_ty, .union_field);
18593
18594 try sema.addDeclaredHereNote(msg, field_ty);
18595 break :msg msg;
18596 };
18597 return sema.failWithOwnedErrorMsg(msg);
18598 } else if (union_obj.layout == .Packed and !(validatePackedType(field_ty))) {
18599 const msg = msg: {
18600 const msg = try sema.errMsg(block, src, "packed unions cannot contain fields of type '{}'", .{field_ty.fmt(sema.mod)});
18601 errdefer msg.destroy(sema.gpa);
18602
18603 const src_decl = sema.mod.declPtr(block.src_decl);
18604 try sema.explainWhyTypeIsNotPacked(msg, src.toSrcLoc(src_decl), field_ty);
18605
18606 try sema.addDeclaredHereNote(msg, field_ty);
18607 break :msg msg;
18608 };
18609 return sema.failWithOwnedErrorMsg(msg);
18610 }
1850918611 }
1851018612
1851118613 if (tag_ty_field_names) |names| {
......@@ -18587,21 +18689,25 @@ fn zirReify(sema: *Sema, block: *Block, extended: Zir.Inst.Extended.InstData, in
1858718689 // is_noalias: bool,
1858818690 const arg_is_noalias = arg_val[1].toBool();
1858918691 // arg_type: ?type,
18590 const param_type_val = arg_val[2];
18692 const param_type_opt_val = arg_val[2];
1859118693
1859218694 if (arg_is_generic) {
1859318695 return sema.fail(block, src, "Type.Fn.Param.is_generic must be false for @Type", .{});
1859418696 }
1859518697
18698 const param_type_val = param_type_opt_val.optionalValue() orelse
18699 return sema.fail(block, src, "Type.Fn.Param.arg_type must be non-null for @Type", .{});
18700 const param_type = try param_type_val.toType(&buf).copy(sema.arena);
18701
1859618702 if (arg_is_noalias) {
18597 noalias_bits = @as(u32, 1) << (std.math.cast(u5, i) orelse
18703 if (!param_type.isPtrAtRuntime()) {
18704 return sema.fail(block, src, "non-pointer parameter declared noalias", .{});
18705 }
18706 noalias_bits |= @as(u32, 1) << (std.math.cast(u5, i) orelse
1859818707 return sema.fail(block, src, "this compiler implementation only supports 'noalias' on the first 32 parameters", .{}));
1859918708 }
1860018709
18601 const param_type = param_type_val.optionalValue() orelse
18602 return sema.fail(block, src, "Type.Fn.Param.arg_type must be non-null for @Type", .{});
18603
18604 param_types[i] = try param_type.toType(&buf).copy(sema.arena);
18710 param_types[i] = param_type;
1860518711 comptime_params[i] = false;
1860618712 }
1860718713
......@@ -18745,13 +18851,60 @@ fn reifyStruct(
1874518851 }
1874618852
1874718853 var buffer: Value.ToTypeBuffer = undefined;
18854 const field_ty = try field_type_val.toType(&buffer).copy(new_decl_arena_allocator);
1874818855 gop.value_ptr.* = .{
18749 .ty = try field_type_val.toType(&buffer).copy(new_decl_arena_allocator),
18856 .ty = field_ty,
1875018857 .abi_align = abi_align,
1875118858 .default_val = default_val,
1875218859 .is_comptime = is_comptime_val.toBool(),
1875318860 .offset = undefined,
1875418861 };
18862
18863 if (field_ty.zigTypeTag() == .Opaque) {
18864 const msg = msg: {
18865 const msg = try sema.errMsg(block, src, "opaque types have unknown size and therefore cannot be directly embedded in structs", .{});
18866 errdefer msg.destroy(sema.gpa);
18867
18868 try sema.addDeclaredHereNote(msg, field_ty);
18869 break :msg msg;
18870 };
18871 return sema.failWithOwnedErrorMsg(msg);
18872 }
18873 if (field_ty.zigTypeTag() == .NoReturn) {
18874 const msg = msg: {
18875 const msg = try sema.errMsg(block, src, "struct fields cannot be 'noreturn'", .{});
18876 errdefer msg.destroy(sema.gpa);
18877
18878 try sema.addDeclaredHereNote(msg, field_ty);
18879 break :msg msg;
18880 };
18881 return sema.failWithOwnedErrorMsg(msg);
18882 }
18883 if (struct_obj.layout == .Extern and !try sema.validateExternType(field_ty, .struct_field)) {
18884 const msg = msg: {
18885 const msg = try sema.errMsg(block, src, "extern structs cannot contain fields of type '{}'", .{field_ty.fmt(sema.mod)});
18886 errdefer msg.destroy(sema.gpa);
18887
18888 const src_decl = sema.mod.declPtr(block.src_decl);
18889 try sema.explainWhyTypeIsNotExtern(msg, src.toSrcLoc(src_decl), field_ty, .struct_field);
18890
18891 try sema.addDeclaredHereNote(msg, field_ty);
18892 break :msg msg;
18893 };
18894 return sema.failWithOwnedErrorMsg(msg);
18895 } else if (struct_obj.layout == .Packed and !(validatePackedType(field_ty))) {
18896 const msg = msg: {
18897 const msg = try sema.errMsg(block, src, "packed structs cannot contain fields of type '{}'", .{field_ty.fmt(sema.mod)});
18898 errdefer msg.destroy(sema.gpa);
18899
18900 const src_decl = sema.mod.declPtr(block.src_decl);
18901 try sema.explainWhyTypeIsNotPacked(msg, src.toSrcLoc(src_decl), field_ty);
18902
18903 try sema.addDeclaredHereNote(msg, field_ty);
18904 break :msg msg;
18905 };
18906 return sema.failWithOwnedErrorMsg(msg);
18907 }
1875518908 }
1875618909
1875718910 if (layout == .Packed) {
......@@ -21544,7 +21697,7 @@ fn zirPrefetch(
2154421697 const options = sema.resolvePrefetchOptions(block, .unneeded, extra.rhs) catch |err| switch (err) {
2154521698 error.NeededSourceLocation => {
2154621699 _ = try sema.resolvePrefetchOptions(block, opts_src, extra.rhs);
21547 return error.AnalysisFail;
21700 unreachable;
2154821701 },
2154921702 else => |e| return e,
2155021703 };
......@@ -21637,7 +21790,7 @@ fn zirBuiltinExtern(
2163721790 const options = sema.resolveExternOptions(block, .unneeded, extra.rhs) catch |err| switch (err) {
2163821791 error.NeededSourceLocation => {
2163921792 _ = try sema.resolveExternOptions(block, options_src, extra.rhs);
21640 return error.AnalysisFail;
21793 unreachable;
2164121794 },
2164221795 else => |e| return e,
2164321796 };
......@@ -24493,7 +24646,7 @@ fn coerceExtra(
2449324646 }
2449424647 if (try sema.resolveMaybeUndefVal(inst)) |val| {
2449524648 const result_val = try val.floatCast(sema.arena, dest_ty, target);
24496 if (!val.eql(result_val, dest_ty, sema.mod)) {
24649 if (!val.eql(result_val, inst_ty, sema.mod)) {
2449724650 return sema.fail(
2449824651 block,
2449924652 inst_src,
......@@ -24987,7 +25140,7 @@ const InMemoryCoercionResult = union(enum) {
2498725140 cur = param.child;
2498825141 },
2498925142 .fn_cc => |cc| {
24990 try sema.errNote(block, src, msg, "calling convention {s} cannot cast into calling convention {s}", .{ @tagName(cc.actual), @tagName(cc.wanted) });
25143 try sema.errNote(block, src, msg, "calling convention '{s}' cannot cast into calling convention '{s}'", .{ @tagName(cc.actual), @tagName(cc.wanted) });
2499125144 break;
2499225145 },
2499325146 .fn_return_type => |pair| {
......@@ -26842,6 +26995,9 @@ fn coerceCompatiblePtrs(
2684226995) !Air.Inst.Ref {
2684326996 const inst_ty = sema.typeOf(inst);
2684426997 if (try sema.resolveMaybeUndefVal(inst)) |val| {
26998 if (!val.isUndef() and val.isNull() and !dest_ty.isAllowzeroPtr()) {
26999 return sema.fail(block, inst_src, "null pointer casted to type '{}'", .{dest_ty.fmt(sema.mod)});
27000 }
2684527001 // The comptime Value representation is compatible with both types.
2684627002 return sema.addConstant(dest_ty, val);
2684727003 }
......@@ -30177,7 +30333,7 @@ fn semaStructFields(mod: *Module, struct_obj: *Module.Struct) CompileError!void
3017730333 const tree = try sema.getAstTree(&block_scope);
3017830334 const init_src = containerFieldInitSrcLoc(decl, tree.*, 0, i);
3017930335 _ = try sema.coerce(&block_scope, field.ty, init, init_src);
30180 return error.AnalysisFail;
30336 unreachable;
3018130337 },
3018230338 else => |e| return e,
3018330339 };
......@@ -30304,6 +30460,25 @@ fn semaUnionFields(mod: *Module, union_obj: *Module.Union) CompileError!void {
3030430460 if (int_tag_ty.zigTypeTag() != .Int and int_tag_ty.zigTypeTag() != .ComptimeInt) {
3030530461 return sema.fail(&block_scope, tag_ty_src, "expected integer tag type, found '{}'", .{int_tag_ty.fmt(sema.mod)});
3030630462 }
30463
30464 if (fields_len > 0) {
30465 var field_count_val: Value.Payload.U64 = .{
30466 .base = .{ .tag = .int_u64 },
30467 .data = fields_len - 1,
30468 };
30469 if (!(try sema.intFitsInType(Value.initPayload(&field_count_val.base), int_tag_ty, null))) {
30470 const msg = msg: {
30471 const msg = try sema.errMsg(&block_scope, tag_ty_src, "specified integer tag type cannot represent every field", .{});
30472 errdefer msg.destroy(sema.gpa);
30473 try sema.errNote(&block_scope, tag_ty_src, msg, "type '{}' cannot fit values in range 0...{d}", .{
30474 int_tag_ty.fmt(sema.mod),
30475 fields_len - 1,
30476 });
30477 break :msg msg;
30478 };
30479 return sema.failWithOwnedErrorMsg(msg);
30480 }
30481 }
3030730482 union_obj.tag_ty = try sema.generateUnionTagTypeNumbered(&block_scope, fields_len, provided_ty, union_obj);
3030830483 const enum_obj = union_obj.tag_ty.castTag(.enum_numbered).?.data;
3030930484 enum_field_names = &enum_obj.fields;
......@@ -30379,7 +30554,7 @@ fn semaUnionFields(mod: *Module, union_obj: *Module.Union) CompileError!void {
3037930554 } else .none;
3038030555
3038130556 if (enum_value_map) |map| {
30382 if (tag_ref != .none) {
30557 const copied_val = if (tag_ref != .none) blk: {
3038330558 const tag_src = src; // TODO better source location
3038430559 const coerced = try sema.coerce(&block_scope, int_tag_ty, tag_ref, tag_src);
3038530560 const val = try sema.resolveConstValue(&block_scope, tag_src, coerced, "enum tag value must be comptime-known");
......@@ -30387,23 +30562,31 @@ fn semaUnionFields(mod: *Module, union_obj: *Module.Union) CompileError!void {
3038730562
3038830563 // This puts the memory into the union arena, not the enum arena, but
3038930564 // it is OK since they share the same lifetime.
30390 const copied_val = try val.copy(decl_arena_allocator);
30391 map.putAssumeCapacityContext(copied_val, {}, .{
30392 .ty = int_tag_ty,
30393 .mod = mod,
30394 });
30395 } else {
30565 break :blk try val.copy(decl_arena_allocator);
30566 } else blk: {
3039630567 const val = if (last_tag_val) |val|
3039730568 try sema.intAdd(val, Value.one, int_tag_ty)
3039830569 else
3039930570 Value.zero;
3040030571 last_tag_val = val;
3040130572
30402 const copied_val = try val.copy(decl_arena_allocator);
30403 map.putAssumeCapacityContext(copied_val, {}, .{
30404 .ty = int_tag_ty,
30405 .mod = mod,
30406 });
30573 break :blk try val.copy(decl_arena_allocator);
30574 };
30575 const gop = map.getOrPutAssumeCapacityContext(copied_val, .{
30576 .ty = int_tag_ty,
30577 .mod = mod,
30578 });
30579 if (gop.found_existing) {
30580 const tree = try sema.getAstTree(&block_scope);
30581 const field_src = enumFieldSrcLoc(sema.mod.declPtr(block_scope.src_decl), tree.*, src.node_offset.x, field_i);
30582 const other_field_src = enumFieldSrcLoc(sema.mod.declPtr(block_scope.src_decl), tree.*, src.node_offset.x, gop.index);
30583 const msg = msg: {
30584 const msg = try sema.errMsg(&block_scope, field_src, "enum tag value {} already taken", .{copied_val.fmtValue(int_tag_ty, sema.mod)});
30585 errdefer msg.destroy(gpa);
30586 try sema.errNote(&block_scope, other_field_src, msg, "other occurrence here", .{});
30587 break :msg msg;
30588 };
30589 return sema.failWithOwnedErrorMsg(msg);
3040730590 }
3040830591 }
3040930592
src/type.zig+2-1
......@@ -177,9 +177,10 @@ pub const Type = extern union {
177177 .Float,
178178 .ComptimeFloat,
179179 .ComptimeInt,
180 .Vector, // TODO some vectors require is_equality_cmp==true
181180 => true,
182181
182 .Vector => ty.elemType2().isSelfComparable(is_equality_cmp),
183
183184 .Bool,
184185 .Type,
185186 .Void,
test/cases/compile_errors/bad_alignment_in_implicit_cast_from_array_pointer_to_slice.zig created+12
......@@ -0,0 +1,12 @@
1export fn a() void {
2 var x: [10]u8 = undefined;
3 var y: []align(16) u8 = &x;
4 _ = y;
5}
6
7// error
8// backend=stage2
9// target=native
10//
11// :3:29: error: expected type '[]align(16) u8', found '*[10]u8'
12// :3:29: note: pointer alignment '1' cannot cast into pointer alignment '16'
test/cases/compile_errors/bad_alignment_type.zig created+15
......@@ -0,0 +1,15 @@
1export fn entry1() void {
2 var x: []align(true) i32 = undefined;
3 _ = x;
4}
5export fn entry2() void {
6 var x: *align(@as(f64, 12.34)) i32 = undefined;
7 _ = x;
8}
9
10// error
11// backend=stage2
12// target=native
13//
14// :2:20: error: expected type 'u32', found 'bool'
15// :6:19: error: fractional component prevents float value '12.34' from coercion to type 'u32'
test/cases/compile_errors/compare_optional_to_non-optional_with_invalid_types.zig created+37
......@@ -0,0 +1,37 @@
1export fn inconsistentChildType() void {
2 var x: ?i32 = undefined;
3 const y: comptime_int = 10;
4 _ = (x == y);
5}
6export fn optionalToOptional() void {
7 var x: ?i32 = undefined;
8 var y: ?i32 = undefined;
9 _ = (x == y);
10}
11export fn optionalVector() void {
12 var x: ?@Vector(10, i32) = undefined;
13 var y: @Vector(10, i32) = undefined;
14 _ = (x == y);
15}
16export fn optionalVector2() void {
17 var x: ?@Vector(10, i32) = undefined;
18 var y: @Vector(11, i32) = undefined;
19 _ = (x == y);
20}
21export fn invalidChildType() void {
22 var x: ?[3]i32 = undefined;
23 var y: [3]i32 = undefined;
24 _ = (x == y);
25}
26
27// error
28// backend=llvm
29// target=native
30//
31// :4:12: error: incompatible types: '?i32' and 'comptime_int'
32// :4:10: note: type '?i32' here
33// :4:15: note: type 'comptime_int' here
34// :19:12: error: incompatible types: '?@Vector(10, i32)' and '@Vector(11, i32)'
35// :19:10: note: type '?@Vector(10, i32)' here
36// :19:15: note: type '@Vector(11, i32)' here
37// :24:12: error: operator == not allowed for type '?[3]i32'
test/cases/compile_errors/comptime_implicit_cast_f64_to_f32.zig created+11
......@@ -0,0 +1,11 @@
1export fn entry() void {
2 const x: f64 = 16777217;
3 const y: f32 = x;
4 _ = y;
5}
6
7// error
8// backend=stage2
9// target=native
10//
11// :3:20: error: type 'f32' cannot represent float value '16777217'
test/cases/compile_errors/error_when_evaluating_return_type.zig created+17
......@@ -0,0 +1,17 @@
1const Foo = struct {
2 map: @as(i32, i32),
3
4 fn init() Foo {
5 return undefined;
6 }
7};
8export fn entry() void {
9 var rule_set = try Foo.init();
10 _ = rule_set;
11}
12
13// error
14// backend=stage2
15// target=native
16//
17// :2:19: error: expected type 'i32', found 'type'
test/cases/compile_errors/extern_function_pointer_mismatch.zig created+13
......@@ -0,0 +1,13 @@
1const fns = [_](fn(i32)i32) { a, b, c };
2pub fn a(x: i32) i32 {return x + 0;}
3pub fn b(x: i32) i32 {return x + 1;}
4export fn c(x: i32) i32 {return x + 2;}
5
6export fn entry() usize { return @sizeOf(@TypeOf(fns)); }
7
8// error
9// backend=stage2
10// target=native
11//
12// :1:37: error: expected type 'fn(i32) i32', found 'fn(i32) callconv(.C) i32'
13// :1:37: note: calling convention 'C' cannot cast into calling convention 'Unspecified'
test/cases/compile_errors/floatToInt_comptime_safety.zig created+17
......@@ -0,0 +1,17 @@
1comptime {
2 _ = @floatToInt(i8, @as(f32, -129.1));
3}
4comptime {
5 _ = @floatToInt(u8, @as(f32, -1.1));
6}
7comptime {
8 _ = @floatToInt(u8, @as(f32, 256.1));
9}
10
11// error
12// backend=stage2
13// target=native
14//
15// :2:25: error: float value '-129.10000610351562' cannot be stored in integer type 'i8'
16// :5:25: error: float value '-1.100000023841858' cannot be stored in integer type 'u8'
17// :8:25: error: float value '256.1000061035156' cannot be stored in integer type 'u8'
test/cases/compile_errors/implicit_casting_null_c_pointer_to_zig_pointer.zig created+11
......@@ -0,0 +1,11 @@
1comptime {
2 var c_ptr: [*c]u8 = 0;
3 var zig_ptr: *u8 = c_ptr;
4 _ = zig_ptr;
5}
6
7// error
8// backend=stage2
9// target=native
10//
11// :3:24: error: null pointer casted to type '*u8'
test/cases/compile_errors/implicit_dependency_on_libc.zig created+10
......@@ -0,0 +1,10 @@
1extern "c" fn exit(u8) void;
2export fn entry() void {
3 exit(0);
4}
5
6// error
7// backend=stage2
8// target=native-linux
9//
10// :1:8: error: dependency on libc must be explicitly specified in the build command
test/cases/compile_errors/indexing_a_undefined_slice_at_comptime.zig created+10
......@@ -0,0 +1,10 @@
1comptime {
2 var slice: []u8 = undefined;
3 slice[0] = 2;
4}
5
6// error
7// backend=stage2
8// target=native
9//
10// :3:10: error: use of undefined value here causes undefined behavior
test/cases/compile_errors/integer_cast_truncates_bits.zig created+31
......@@ -0,0 +1,31 @@
1export fn entry1() void {
2 const spartan_count: u16 = 300;
3 const byte = @intCast(u8, spartan_count);
4 _ = byte;
5}
6export fn entry2() void {
7 const spartan_count: u16 = 300;
8 const byte: u8 = spartan_count;
9 _ = byte;
10}
11export fn entry3() void {
12 var spartan_count: u16 = 300;
13 var byte: u8 = spartan_count;
14 _ = byte;
15}
16export fn entry4() void {
17 var signed: i8 = -1;
18 var unsigned: u64 = signed;
19 _ = unsigned;
20}
21
22// error
23// backend=stage2
24// target=native
25//
26// :3:31: error: type 'u8' cannot represent integer value '300'
27// :8:22: error: type 'u8' cannot represent integer value '300'
28// :13:20: error: expected type 'u8', found 'u16'
29// :13:20: note: unsigned 8-bit int cannot represent all possible unsigned 16-bit values
30// :18:25: error: expected type 'u64', found 'i8'
31// :18:25: note: unsigned 64-bit int cannot represent all possible signed 8-bit values
test/cases/compile_errors/issue_4207_coerce_from_non-terminated-slice_to_terminated-pointer.zig created+12
......@@ -0,0 +1,12 @@
1export fn foo() [*:0]const u8 {
2 var buffer: [64]u8 = undefined;
3 return buffer[0..];
4}
5
6// error
7// backend=stage2
8// target=native
9//
10// :3:18: error: expected type '[*:0]const u8', found '*[64]u8'
11// :3:18: note: destination pointer requires '0' sentinel
12// :1:18: note: function return type declared here
test/cases/compile_errors/issue_7810-comptime_slice-len_increment_beyond_bounds.zig created+14
......@@ -0,0 +1,14 @@
1export fn foo_slice_len_increment_beyond_bounds() void {
2 comptime {
3 var buf_storage: [8]u8 = undefined;
4 var buf: []u8 = buf_storage[0..];
5 buf.len += 1;
6 buf[8] = 42;
7 }
8}
9
10// error
11// backend=stage2
12// target=native
13//
14// :6:16: error: comptime store of index 8 out of bounds of array length 8
test/cases/compile_errors/lazy_pointer_with_undefined_element_type.zig created+12
......@@ -0,0 +1,12 @@
1export fn foo() void {
2 comptime var T: type = undefined;
3 const S = struct { x: *T };
4 const I = @typeInfo(S);
5 _ = I;
6}
7
8// error
9// backend=stage2
10// target=native
11//
12// :3:28: error: use of undefined value here causes undefined behavior
test/cases/compile_errors/missing_result_type_for_phi_node.zig created+12
......@@ -0,0 +1,12 @@
1fn foo() !void {
2 return anyerror.Foo;
3}
4export fn entry() void {
5 foo() catch 0;
6}
7
8// error
9// backend=stage2
10// target=native
11//
12// :5:11: error: incompatible types: 'void' and 'comptime_int'
test/cases/compile_errors/noalias_on_non_pointer_param.zig created+8
......@@ -0,0 +1,8 @@
1fn f(noalias x: i32) void { _ = x; }
2export fn entry() void { f(1234); }
3
4// error
5// backend=stage2
6// target=native
7//
8// :1:6: error: non-pointer parameter declared noalias
test/cases/compile_errors/passing_an_under-aligned_function_pointer.zig created+14
......@@ -0,0 +1,14 @@
1export fn entry() void {
2 testImplicitlyDecreaseFnAlign(alignedSmall, 1234);
3}
4fn testImplicitlyDecreaseFnAlign(ptr: *const fn () align(8) i32, answer: i32) void {
5 if (ptr() != answer) unreachable;
6}
7fn alignedSmall() align(4) i32 { return 1234; }
8
9// error
10// backend=stage2
11// target=x86_64-linux
12//
13// :2:35: error: expected type '*const fn() align(8) i32', found '*const fn() align(4) i32'
14// :2:35: note: pointer alignment '4' cannot cast into pointer alignment '8'
test/cases/compile_errors/reify_type_for_union_with_opaque_field.zig created+20
......@@ -0,0 +1,20 @@
1const Untagged = @Type(.{
2 .Union = .{
3 .layout = .Auto,
4 .tag_type = null,
5 .fields = &.{
6 .{ .name = "foo", .field_type = opaque {}, .alignment = 1 },
7 },
8 .decls = &.{},
9 },
10});
11export fn entry() usize {
12 return @sizeOf(Untagged);
13}
14
15// error
16// backend=stage2
17// target=native
18//
19// :1:18: error: opaque types have unknown size and therefore cannot be directly embedded in unions
20// :6:45: note: opaque declared here
test/cases/compile_errors/runtime_assignment_to_comptime_struct_type.zig created+16
......@@ -0,0 +1,16 @@
1const Foo = struct {
2 Bar: u8,
3 Baz: type,
4};
5export fn f() void {
6 var x: u8 = 0;
7 const foo = Foo { .Bar = x, .Baz = u8 };
8 _ = foo;
9}
10
11// error
12// backend=stage2
13// target=native
14//
15// :7:30: error: unable to resolve comptime value
16// :7:30: note: initializer of comptime only struct must be comptime-known
test/cases/compile_errors/runtime_assignment_to_comptime_union_type.zig created+16
......@@ -0,0 +1,16 @@
1const Foo = union {
2 Bar: u8,
3 Baz: type,
4};
5export fn f() void {
6 var x: u8 = 0;
7 const foo = Foo { .Bar = x };
8 _ = foo;
9}
10
11// error
12// backend=stage2
13// target=native
14//
15// :7:30: error: unable to resolve comptime value
16// :7:30: note: initializer of comptime only union must be comptime-known
test/cases/compile_errors/saturating_shl_assign_does_not_allow_negative_rhs_at_comptime.zig created+12
......@@ -0,0 +1,12 @@
1export fn a() void {
2 comptime {
3 var x = @as(i32, 1);
4 x <<|= @as(i32, -2);
5 }
6}
7
8// error
9// backend=stage2
10// target=native
11//
12// :4:14: error: shift by negative amount '-2'
test/cases/compile_errors/saturating_shl_does_not_allow_negative_rhs_at_comptime.zig created+9
......@@ -0,0 +1,9 @@
1export fn a() void {
2 _ = @as(i32, 1) <<| @as(i32, -2);
3}
4
5// error
6// backend=stage2
7// target=native
8//
9// :2:25: error: shift by negative amount '-2'
test/cases/compile_errors/shift_amount_has_to_be_an_integer_type.zig created+10
......@@ -0,0 +1,10 @@
1export fn entry() void {
2 const x = 1 << &@as(u8, 10);
3 _ = x;
4}
5
6// error
7// backend=stage2
8// target=native
9//
10// :2:20: error: expected type 'comptime_int', found '*const u8'
test/cases/compile_errors/shift_by_negative_comptime_integer.zig created+10
......@@ -0,0 +1,10 @@
1comptime {
2 var a = 1 >> -1;
3 _ = a;
4}
5
6// error
7// backend=stage2
8// target=native
9//
10// :2:18: error: shift by negative amount '-1'
test/cases/compile_errors/slice_sentinel_mismatch-1.zig created+11
......@@ -0,0 +1,11 @@
1export fn entry() void {
2 const y: [:1]const u8 = &[_:2]u8{ 1, 2 };
3 _ = y;
4}
5
6// error
7// backend=stage2
8// target=native
9//
10// :2:29: error: expected type '[:1]const u8', found '*const [2:2]u8'
11// :2:29: note: pointer sentinel '2' cannot cast into pointer sentinel '1'
test/cases/compile_errors/stage1/obj/bad_alignment_in_implicit_cast_from_array_pointer_to_slice.zig deleted-11
......@@ -1,11 +0,0 @@
1export fn a() void {
2 var x: [10]u8 = undefined;
3 var y: []align(16) u8 = &x;
4 _ = y;
5}
6
7// error
8// backend=stage1
9// target=native
10//
11// tmp.zig:3:30: error: expected type '[]align(16) u8', found '*[10]u8'
test/cases/compile_errors/stage1/obj/bad_alignment_type.zig deleted-15
......@@ -1,15 +0,0 @@
1export fn entry1() void {
2 var x: []align(true) i32 = undefined;
3 _ = x;
4}
5export fn entry2() void {
6 var x: *align(@as(f64, 12.34)) i32 = undefined;
7 _ = x;
8}
9
10// error
11// backend=stage1
12// target=native
13//
14// tmp.zig:2:20: error: expected type 'u29', found 'bool'
15// tmp.zig:6:19: error: fractional component prevents float value 12.340000 from being casted to type 'u29'
test/cases/compile_errors/stage1/obj/compare_optional_to_non-optional_with_invalid_types.zig deleted-35
......@@ -1,35 +0,0 @@
1export fn inconsistentChildType() void {
2 var x: ?i32 = undefined;
3 const y: comptime_int = 10;
4 _ = (x == y);
5}
6
7export fn optionalToOptional() void {
8 var x: ?i32 = undefined;
9 var y: ?i32 = undefined;
10 _ = (x == y);
11}
12
13export fn optionalVector() void {
14 var x: ?@Vector(10, i32) = undefined;
15 var y: @Vector(10, i32) = undefined;
16 _ = (x == y);
17}
18
19export fn invalidChildType() void {
20 var x: ?[3]i32 = undefined;
21 var y: [3]i32 = undefined;
22 _ = (x == y);
23}
24
25// error
26// backend=stage1
27// target=native
28//
29// :4:12: error: cannot compare types '?i32' and 'comptime_int'
30// :4:12: note: optional child type 'i32' must be the same as non-optional type 'comptime_int'
31// :10:12: error: cannot compare types '?i32' and '?i32'
32// :10:12: note: optional to optional comparison is only supported for optional pointer types
33// :16:12: error: TODO add comparison of optional vector
34// :22:12: error: cannot compare types '?[3]i32' and '[3]i32'
35// :22:12: note: operator not supported for type '[3]i32'
test/cases/compile_errors/stage1/obj/comptime_implicit_cast_f64_to_f32.zig deleted-11
......@@ -1,11 +0,0 @@
1export fn entry() void {
2 const x: f64 = 16777217;
3 const y: f32 = x;
4 _ = y;
5}
6
7// error
8// backend=stage1
9// target=native
10//
11// tmp.zig:3:20: error: cast of value 16777217.000000 to type 'f32' loses information
test/cases/compile_errors/stage1/obj/error_when_evaluating_return_type.zig deleted-17
......@@ -1,17 +0,0 @@
1const Foo = struct {
2 map: @as(i32, i32),
3
4 fn init() Foo {
5 return undefined;
6 }
7};
8export fn entry() void {
9 var rule_set = try Foo.init();
10 _ = rule_set;
11}
12
13// error
14// backend=stage1
15// target=native
16//
17// tmp.zig:2:19: error: expected type 'i32', found 'type'
test/cases/compile_errors/stage1/obj/extern_function_pointer_mismatch.zig deleted-12
......@@ -1,12 +0,0 @@
1const fns = [_](fn(i32)i32) { a, b, c };
2pub fn a(x: i32) i32 {return x + 0;}
3pub fn b(x: i32) i32 {return x + 1;}
4export fn c(x: i32) i32 {return x + 2;}
5
6export fn entry() usize { return @sizeOf(@TypeOf(fns)); }
7
8// error
9// backend=stage1
10// target=native
11//
12// tmp.zig:1:37: error: expected type 'fn(i32) i32', found 'fn(i32) callconv(.C) i32'
test/cases/compile_errors/stage1/obj/floatToInt_comptime_safety.zig deleted-17
......@@ -1,17 +0,0 @@
1comptime {
2 _ = @floatToInt(i8, @as(f32, -129.1));
3}
4comptime {
5 _ = @floatToInt(u8, @as(f32, -1.1));
6}
7comptime {
8 _ = @floatToInt(u8, @as(f32, 256.1));
9}
10
11// error
12// backend=stage1
13// target=native
14//
15// tmp.zig:2:9: error: integer value '-129' cannot be stored in type 'i8'
16// tmp.zig:5:9: error: integer value '-1' cannot be stored in type 'u8'
17// tmp.zig:8:9: error: integer value '256' cannot be stored in type 'u8'
test/cases/compile_errors/stage1/obj/implicit_casting_null_c_pointer_to_zig_pointer.zig deleted-11
......@@ -1,11 +0,0 @@
1comptime {
2 var c_ptr: [*c]u8 = 0;
3 var zig_ptr: *u8 = c_ptr;
4 _ = zig_ptr;
5}
6
7// error
8// backend=stage1
9// target=native
10//
11// tmp.zig:3:24: error: null pointer casted to type '*u8'
test/cases/compile_errors/stage1/obj/implicit_casting_too_big_integers_to_C_pointers.zig deleted-16
......@@ -1,16 +0,0 @@
1export fn a() void {
2 var ptr: [*c]u8 = (1 << 64) + 1;
3 _ = ptr;
4}
5export fn b() void {
6 var x: u65 = 0x1234;
7 var ptr: [*c]u8 = x;
8 _ = ptr;
9}
10
11// error
12// backend=stage1
13// target=native
14//
15// tmp.zig:2:33: error: integer value 18446744073709551617 cannot be coerced to type 'usize'
16// tmp.zig:7:23: error: integer type 'u65' too big for implicit @intToPtr to type '[*c]u8'
test/cases/compile_errors/stage1/obj/implicit_dependency_on_libc.zig deleted-11
......@@ -1,11 +0,0 @@
1extern "c" fn exit(u8) void;
2export fn entry() void {
3 exit(0);
4}
5
6// error
7// backend=stage1
8// target=native-linux
9// is_test=1
10//
11// tmp.zig:3:5: error: dependency on libc must be explicitly specified in the build command
test/cases/compile_errors/stage1/obj/indexing_a_undefined_slice_at_comptime.zig deleted-10
......@@ -1,10 +0,0 @@
1comptime {
2 var slice: []u8 = undefined;
3 slice[0] = 2;
4}
5
6// error
7// backend=stage1
8// target=native
9//
10// tmp.zig:3:10: error: index 0 outside slice of size 0
test/cases/compile_errors/stage1/obj/integer_cast_truncates_bits.zig deleted-31
......@@ -1,31 +0,0 @@
1export fn entry1() void {
2 const spartan_count: u16 = 300;
3 const byte = @intCast(u8, spartan_count);
4 _ = byte;
5}
6export fn entry2() void {
7 const spartan_count: u16 = 300;
8 const byte: u8 = spartan_count;
9 _ = byte;
10}
11export fn entry3() void {
12 var spartan_count: u16 = 300;
13 var byte: u8 = spartan_count;
14 _ = byte;
15}
16export fn entry4() void {
17 var signed: i8 = -1;
18 var unsigned: u64 = signed;
19 _ = unsigned;
20}
21
22// error
23// backend=stage1
24// target=native
25//
26// tmp.zig:3:18: error: cast from 'u16' to 'u8' truncates bits
27// tmp.zig:8:22: error: integer value 300 cannot be coerced to type 'u8'
28// tmp.zig:13:20: error: expected type 'u8', found 'u16'
29// tmp.zig:13:20: note: unsigned 8-bit int cannot represent all possible unsigned 16-bit values
30// tmp.zig:18:25: error: expected type 'u64', found 'i8'
31// tmp.zig:18:25: note: unsigned 64-bit int cannot represent all possible signed 8-bit values
test/cases/compile_errors/stage1/obj/issue_4207_coerce_from_non-terminated-slice_to_terminated-pointer.zig deleted-11
......@@ -1,11 +0,0 @@
1export fn foo() [*:0]const u8 {
2 var buffer: [64]u8 = undefined;
3 return buffer[0..];
4}
5
6// error
7// backend=stage1
8// target=native
9//
10// :3:18: error: expected type '[*:0]const u8', found '*[64]u8'
11// :3:18: note: destination pointer requires a terminating '0' sentinel
test/cases/compile_errors/stage1/obj/issue_7810-comptime_slice-len_increment_beyond_bounds.zig deleted-14
......@@ -1,14 +0,0 @@
1export fn foo_slice_len_increment_beyond_bounds() void {
2 comptime {
3 var buf_storage: [8]u8 = undefined;
4 var buf: []const u8 = buf_storage[0..];
5 buf.len += 1;
6 buf[8] = 42;
7 }
8}
9
10// error
11// backend=stage1
12// target=native
13//
14// :6:12: error: out of bounds slice
test/cases/compile_errors/stage1/obj/lazy_pointer_with_undefined_element_type.zig deleted-12
......@@ -1,12 +0,0 @@
1export fn foo() void {
2 comptime var T: type = undefined;
3 const S = struct { x: *T };
4 const I = @typeInfo(S);
5 _ = I;
6}
7
8// error
9// backend=stage1
10// target=native
11//
12// :3:28: error: use of undefined value here causes undefined behavior
test/cases/compile_errors/stage1/obj/libc_headers_note.zig deleted-12
......@@ -1,12 +0,0 @@
1const c = @cImport(@cInclude("stdio.h"));
2export fn entry() void {
3 _ = c.printf("hello, world!\n");
4}
5
6// error
7// backend=stage1
8// is_test=1
9// target=native-linux
10//
11// tmp.zig:1:11: error: C import failed
12// tmp.zig:1:11: note: libc headers not available; compilation does not link against libc
test/cases/compile_errors/stage1/obj/missing_result_type_for_phi_node.zig deleted-12
......@@ -1,12 +0,0 @@
1fn foo() !void {
2 return anyerror.Foo;
3}
4export fn entry() void {
5 foo() catch 0;
6}
7
8// error
9// backend=stage1
10// target=native
11//
12// tmp.zig:5:17: error: integer value 0 cannot be coerced to type 'void'
test/cases/compile_errors/stage1/obj/noalias_on_non_pointer_param.zig deleted-8
......@@ -1,8 +0,0 @@
1fn f(noalias x: i32) void { _ = x; }
2export fn entry() void { f(1234); }
3
4// error
5// backend=stage1
6// target=native
7//
8// tmp.zig:1:6: error: noalias on non-pointer parameter
test/cases/compile_errors/stage1/obj/passing_an_under-aligned_function_pointer.zig deleted-13
......@@ -1,13 +0,0 @@
1export fn entry() void {
2 testImplicitlyDecreaseFnAlign(alignedSmall, 1234);
3}
4fn testImplicitlyDecreaseFnAlign(ptr: fn () align(8) i32, answer: i32) void {
5 if (ptr() != answer) unreachable;
6}
7fn alignedSmall() align(4) i32 { return 1234; }
8
9// error
10// backend=stage1
11// target=native
12//
13// tmp.zig:2:35: error: expected type 'fn() align(8) i32', found 'fn() align(4) i32'
test/cases/compile_errors/stage1/obj/reify_type_for_union_with_opaque_field.zig deleted-19
......@@ -1,19 +0,0 @@
1const Untagged = @Type(.{
2 .Union = .{
3 .layout = .Auto,
4 .tag_type = null,
5 .fields = &.{
6 .{ .name = "foo", .field_type = opaque {}, .alignment = 1 },
7 },
8 .decls = &.{},
9 },
10});
11export fn entry() usize {
12 return @sizeOf(Untagged);
13}
14
15// error
16// backend=stage1
17// target=native
18//
19// tmp.zig:1:25: error: opaque types have unknown size and therefore cannot be directly embedded in unions
test/cases/compile_errors/stage1/obj/runtime_assignment_to_comptime_struct_type.zig deleted-15
......@@ -1,15 +0,0 @@
1const Foo = struct {
2 Bar: u8,
3 Baz: type,
4};
5export fn f() void {
6 var x: u8 = 0;
7 const foo = Foo { .Bar = x, .Baz = u8 };
8 _ = foo;
9}
10
11// error
12// backend=stage1
13// target=native
14//
15// tmp.zig:7:23: error: unable to evaluate constant expression
test/cases/compile_errors/stage1/obj/runtime_assignment_to_comptime_union_type.zig deleted-15
......@@ -1,15 +0,0 @@
1const Foo = union {
2 Bar: u8,
3 Baz: type,
4};
5export fn f() void {
6 var x: u8 = 0;
7 const foo = Foo { .Bar = x };
8 _ = foo;
9}
10
11// error
12// backend=stage1
13// target=native
14//
15// tmp.zig:7:23: error: unable to evaluate constant expression
test/cases/compile_errors/stage1/obj/saturating_shl_assign_does_not_allow_negative_rhs_at_comptime.zig deleted-12
......@@ -1,12 +0,0 @@
1export fn a() void {
2 comptime {
3 var x = @as(i32, 1);
4 x <<|= @as(i32, -2);
5 }
6}
7
8// error
9// backend=stage1
10// target=native
11//
12// error: shift by negative value -2
test/cases/compile_errors/stage1/obj/saturating_shl_does_not_allow_negative_rhs_at_comptime.zig deleted-9
......@@ -1,9 +0,0 @@
1export fn a() void {
2 _ = @as(i32, 1) <<| @as(i32, -2);
3}
4
5// error
6// backend=stage1
7// target=native
8//
9// error: shift by negative value -2
test/cases/compile_errors/stage1/obj/shift_amount_has_to_be_an_integer_type.zig deleted-10
......@@ -1,10 +0,0 @@
1export fn entry() void {
2 const x = 1 << &@as(u8, 10);
3 _ = x;
4}
5
6// error
7// backend=stage1
8// target=native
9//
10// tmp.zig:2:21: error: shift amount has to be an integer type, but found '*const u8'
test/cases/compile_errors/stage1/obj/shift_by_negative_comptime_integer.zig deleted-10
......@@ -1,10 +0,0 @@
1comptime {
2 var a = 1 >> -1;
3 _ = a;
4}
5
6// error
7// backend=stage1
8// target=native
9//
10// tmp.zig:2:18: error: shift by negative value -1
test/cases/compile_errors/stage1/obj/slice_sentinel_mismatch-1.zig deleted-10
......@@ -1,10 +0,0 @@
1export fn entry() void {
2 const y: [:1]const u8 = &[_:2]u8{ 1, 2 };
3 _ = y;
4}
5
6// error
7// backend=stage1
8// target=native
9//
10// tmp.zig:2:37: error: expected type '[:1]const u8', found '*const [2:2]u8'
test/cases/compile_errors/stage1/obj/union_auto-enum_value_already_taken.zig deleted-18
......@@ -1,18 +0,0 @@
1const MultipleChoice = union(enum(u32)) {
2 A = 20,
3 B = 40,
4 C = 60,
5 D = 1000,
6 E = 60,
7};
8export fn entry() void {
9 var x = MultipleChoice { .C = {} };
10 _ = x;
11}
12
13// error
14// backend=stage1
15// target=native
16//
17// tmp.zig:6:9: error: enum tag value 60 already taken
18// tmp.zig:4:9: note: other occurrence here
test/cases/compile_errors/stage1/obj/union_enum_field_does_not_match_enum.zig deleted-22
......@@ -1,22 +0,0 @@
1const Letter = enum {
2 A,
3 B,
4 C,
5};
6const Payload = union(Letter) {
7 A: i32,
8 B: f64,
9 C: bool,
10 D: bool,
11};
12export fn entry() void {
13 var a = Payload {.A = 1234};
14 _ = a;
15}
16
17// error
18// backend=stage1
19// target=native
20//
21// tmp.zig:10:5: error: enum field not found: 'D'
22// tmp.zig:1:16: note: enum declared here
test/cases/compile_errors/stage1/obj/union_with_too_small_explicit_signed_tag_type.zig deleted-16
......@@ -1,16 +0,0 @@
1const U = union(enum(i2)) {
2 A: u8,
3 B: u8,
4 C: u8,
5 D: u8,
6};
7export fn entry() void {
8 _ = U{ .D = 1 };
9}
10
11// error
12// backend=stage1
13// target=native
14//
15// tmp.zig:1:22: error: specified integer tag type cannot represent every field
16// tmp.zig:1:22: note: type i2 cannot fit values in range 0...3
test/cases/compile_errors/stage1/obj/union_with_too_small_explicit_unsigned_tag_type.zig deleted-17
......@@ -1,17 +0,0 @@
1const U = union(enum(u2)) {
2 A: u8,
3 B: u8,
4 C: u8,
5 D: u8,
6 E: u8,
7};
8export fn entry() void {
9 _ = U{ .E = 1 };
10}
11
12// error
13// backend=stage1
14// target=native
15//
16// tmp.zig:1:22: error: specified integer tag type cannot represent every field
17// tmp.zig:1:22: note: type u2 cannot fit values in range 0...4
test/cases/compile_errors/stage1/obj/wrong_function_type.zig deleted-11
......@@ -1,11 +0,0 @@
1const fns = [_]fn() void { a, b, c };
2fn a() i32 {return 0;}
3fn b() i32 {return 1;}
4fn c() i32 {return 2;}
5export fn entry() usize { return @sizeOf(@TypeOf(fns)); }
6
7// error
8// backend=stage1
9// target=native
10//
11// tmp.zig:1:28: error: expected type 'fn() void', found 'fn() i32'
test/cases/compile_errors/union_auto-enum_value_already_taken.zig created+18
......@@ -0,0 +1,18 @@
1const MultipleChoice = union(enum(u32)) {
2 A = 20,
3 B = 40,
4 C = 60,
5 D = 1000,
6 E = 60,
7};
8export fn entry() void {
9 var x = MultipleChoice { .C = {} };
10 _ = x;
11}
12
13// error
14// backend=stage2
15// target=native
16//
17// :6:5: error: enum tag value 60 already taken
18// :4:5: note: other occurrence here
test/cases/compile_errors/union_enum_field_does_not_match_enum.zig created+22
......@@ -0,0 +1,22 @@
1const Letter = enum {
2 A,
3 B,
4 C,
5};
6const Payload = union(Letter) {
7 A: i32,
8 B: f64,
9 C: bool,
10 D: bool,
11};
12export fn entry() void {
13 var a = Payload {.A = 1234};
14 _ = a;
15}
16
17// error
18// backend=stage2
19// target=native
20//
21// :10:5: error: no field named 'D' in enum 'tmp.Letter'
22// :1:16: note: enum declared here
test/cases/compile_errors/union_with_too_small_explicit_signed_tag_type.zig created+16
......@@ -0,0 +1,16 @@
1const U = union(enum(i2)) {
2 A: u8,
3 B: u8,
4 C: u8,
5 D: u8,
6};
7export fn entry() void {
8 _ = U{ .D = 1 };
9}
10
11// error
12// backend=stage2
13// target=native
14//
15// :1:22: error: specified integer tag type cannot represent every field
16// :1:22: note: type 'i2' cannot fit values in range 0...3
test/cases/compile_errors/union_with_too_small_explicit_unsigned_tag_type.zig created+17
......@@ -0,0 +1,17 @@
1const U = union(enum(u2)) {
2 A: u8,
3 B: u8,
4 C: u8,
5 D: u8,
6 E: u8,
7};
8export fn entry() void {
9 _ = U{ .E = 1 };
10}
11
12// error
13// backend=stage2
14// target=native
15//
16// :1:22: error: specified integer tag type cannot represent every field
17// :1:22: note: type 'u2' cannot fit values in range 0...4
test/cases/compile_errors/wrong_function_type.zig created+12
......@@ -0,0 +1,12 @@
1const fns = [_]fn() void { a, b, c };
2fn a() i32 {return 0;}
3fn b() i32 {return 1;}
4fn c() i32 {return 2;}
5export fn entry() usize { return @sizeOf(@TypeOf(fns)); }
6
7// error
8// backend=stage2
9// target=native
10//
11// :1:28: error: expected type 'fn() void', found 'fn() i32'
12// :1:28: note: return type 'i32' cannot cast into return type 'void'