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carbon-lang/toolchain/check/testdata/for/basic.carbon
T
Jon Ross-Perkins 47e551141f Change the package namespace to use the package name (#6495) 
Instead of naming the root namespace `package` (because it's accessed by
the `package` keyword), change it to use the current package name. Note,
buried in the checksum changes,
`toolchain/check/testdata/package_expr/fail_not_found.carbon`:

```
-  // CHECK:STDERR: fail_not_found.carbon:[[@LINE+4]]:16: error: member name `x` not found in `package` [MemberNameNotFoundInInstScope]
+  // CHECK:STDERR: fail_not_found.carbon:[[@LINE+4]]:16: error: member name `x` not found in `Main` [MemberNameNotFoundInInstScope]
```

for:

```
  // CHECK:STDERR:   var y: i32 = package.x;
  // CHECK:STDERR:                ^~~~~~~~~
```

I'll leave it to you if you prefer this; the alternative I see is to
just rename `IsCorePackage` to `IsImportedCorePackage`, and/or change it
to a helper that takes a `Context` and does the right thing with
`parse_tree` (which, I need for `Destroy`-related reasons and was my
default approach).
2025-12-16 01:33:53 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/for.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/for/basic.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/for/basic.carbon
// --- fail_not_range.carbon
library "[[@TEST_NAME]]";
fn Run() {
// TODO: These diagnostics could be better. If nothing else, we should only diagnose once.
// CHECK:STDERR: fail_not_range.carbon:[[@LINE+8]]:7: error: cannot access member of interface `Core.Iterate` in type `{}` that does not implement that interface [MissingImplInMemberAccess]
// CHECK:STDERR: for (c: {} in {}) {
// CHECK:STDERR: ^~~~~~~~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_not_range.carbon:[[@LINE+4]]:7: error: cannot access member of interface `Core.Iterate` in type `{}` that does not implement that interface [MissingImplInMemberAccess]
// CHECK:STDERR: for (c: {} in {}) {
// CHECK:STDERR: ^~~~~~~~~~~~~
// CHECK:STDERR:
for (c: {} in {}) {
}
}
// --- trivial.carbon
library "[[@TEST_NAME]]";
class TrivialRange {
impl as Core.Iterate where .CursorType = () and .ElementType = () {
fn NewCursor[self: Self]() {}
fn Next[self: Self](cursor: ()*) -> Core.Optional(()) {
return Core.Optional(()).None();
}
}
}
fn Body();
fn AfterLoop();
fn Run() {
//@dump-sem-ir-begin
for (_: () in {} as TrivialRange) {
Body();
}
AfterLoop();
//@dump-sem-ir-end
}
// CHECK:STDOUT: --- trivial.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %TrivialRange: type = class_type @TrivialRange [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %Iterate.type: type = facet_type <@Iterate> [concrete]
// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT: %T.f92: %Copy.type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %Copy.impl_witness.05d: <witness> = impl_witness imports.%Copy.impl_witness_table.d19 [concrete]
// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %empty_tuple.type, (%Copy.impl_witness.05d) [concrete]
// CHECK:STDOUT: %Iterate.NewCursor.type: type = fn_type @Iterate.NewCursor [concrete]
// CHECK:STDOUT: %Iterate.Next.type: type = fn_type @Iterate.Next [concrete]
// CHECK:STDOUT: %Optional.Get.type.b87: type = fn_type @Optional.Get, @Optional(%T.f92) [symbolic]
// CHECK:STDOUT: %Optional.Get.0e5: %Optional.Get.type.b87 = struct_value () [symbolic]
// CHECK:STDOUT: %Optional.HasValue.type.c70: type = fn_type @Optional.HasValue, @Optional(%T.f92) [symbolic]
// CHECK:STDOUT: %Optional.HasValue.c68: %Optional.HasValue.type.c70 = struct_value () [symbolic]
// CHECK:STDOUT: %Iterate.impl_witness: <witness> = impl_witness @TrivialRange.%Iterate.impl_witness_table [concrete]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.NewCursor.type.b01a0a.1: type = fn_type @TrivialRange.as.Iterate.impl.NewCursor.loc6_32.1 [concrete]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.NewCursor.843a65.1: %TrivialRange.as.Iterate.impl.NewCursor.type.b01a0a.1 = struct_value () [concrete]
// CHECK:STDOUT: %ptr.843: type = ptr_type %empty_tuple.type [concrete]
// CHECK:STDOUT: %Optional.cab: type = class_type @Optional, @Optional(%Copy.facet) [concrete]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.Next.type: type = fn_type @TrivialRange.as.Iterate.impl.Next [concrete]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.Next: %TrivialRange.as.Iterate.impl.Next.type = struct_value () [concrete]
// CHECK:STDOUT: %Iterate.facet: %Iterate.type = facet_value %TrivialRange, (%Iterate.impl_witness) [concrete]
// CHECK:STDOUT: %pattern_type.cb1: type = pattern_type %empty_tuple.type [concrete]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.NewCursor.type.b01a0a.2: type = fn_type @TrivialRange.as.Iterate.impl.NewCursor.loc6_32.2 [concrete]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.NewCursor.843a65.2: %TrivialRange.as.Iterate.impl.NewCursor.type.b01a0a.2 = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %Optional.HasValue.type.bd5: type = fn_type @Optional.HasValue, @Optional(%Copy.facet) [concrete]
// CHECK:STDOUT: %Optional.HasValue.bea: %Optional.HasValue.type.bd5 = struct_value () [concrete]
// CHECK:STDOUT: %Optional.Get.type.1e9: type = fn_type @Optional.Get, @Optional(%Copy.facet) [concrete]
// CHECK:STDOUT: %Optional.Get.abe: %Optional.Get.type.1e9 = struct_value () [concrete]
// CHECK:STDOUT: %Body.type: type = fn_type @Body [concrete]
// CHECK:STDOUT: %Body: %Body.type = struct_value () [concrete]
// CHECK:STDOUT: %AfterLoop.type: type = fn_type @AfterLoop [concrete]
// CHECK:STDOUT: %AfterLoop: %AfterLoop.type = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT: %TrivialRange.val: %TrivialRange = struct_value () [concrete]
// CHECK:STDOUT: %.687: type = fn_type_with_self_type %Iterate.NewCursor.type, %Iterate.facet [concrete]
// CHECK:STDOUT: %.0cd: type = fn_type_with_self_type %Iterate.Next.type, %Iterate.facet [concrete]
// CHECK:STDOUT: %Optional.HasValue.specific_fn: <specific function> = specific_function %Optional.HasValue.bea, @Optional.HasValue(%Copy.facet) [concrete]
// CHECK:STDOUT: %Optional.Get.specific_fn: <specific function> = specific_function %Optional.Get.abe, @Optional.Get(%Copy.facet) [concrete]
// CHECK:STDOUT: %type_where: type = facet_type <type where .Self impls <CanDestroy>> [concrete]
// CHECK:STDOUT: %facet_value.ff9: %type_where = facet_value %empty_tuple.type, () [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.fb5: type = fn_type @DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value.ff9) [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.144: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.fb5 = struct_value () [concrete]
// CHECK:STDOUT: %facet_value.0bf: %type_where = facet_value %Optional.cab, () [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.3f1: type = fn_type @DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value.0bf) [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.0a1: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.3f1 = struct_value () [concrete]
// CHECK:STDOUT: %facet_value.bfb: %type_where = facet_value %TrivialRange, () [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.7ba: type = fn_type @DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value.bfb) [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.717: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.7ba = struct_value () [concrete]
// CHECK:STDOUT: %empty_tuple.type.as.Copy.impl.Op.type: type = fn_type @empty_tuple.type.as.Copy.impl.Op [concrete]
// CHECK:STDOUT: %empty_tuple.type.as.Copy.impl.Op: %empty_tuple.type.as.Copy.impl.Op.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core.import_ref.abf: %empty_tuple.type.as.Copy.impl.Op.type = import_ref Core//prelude/parts/copy, loc{{\d+_\d+}}, loaded [concrete = constants.%empty_tuple.type.as.Copy.impl.Op]
// CHECK:STDOUT: %Copy.impl_witness_table.d19 = impl_witness_table (%Core.import_ref.abf), @empty_tuple.type.as.Copy.impl [concrete]
// CHECK:STDOUT: %Core.import_ref.1b7: @Optional.%Optional.HasValue.type (%Optional.HasValue.type.c70) = import_ref Core//prelude/parts/iterate, inst{{[0-9A-F]+}} [indirect], loaded [symbolic = @Optional.%Optional.HasValue (constants.%Optional.HasValue.c68)]
// CHECK:STDOUT: %Core.import_ref.7204: @Optional.%Optional.Get.type (%Optional.Get.type.b87) = import_ref Core//prelude/parts/iterate, inst{{[0-9A-F]+}} [indirect], loaded [symbolic = @Optional.%Optional.Get (constants.%Optional.Get.0e5)]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Run() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %_.patt: %pattern_type.cb1 = value_binding_pattern _ [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc18_18.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT: %TrivialRange.ref: type = name_ref TrivialRange, file.%TrivialRange.decl [concrete = constants.%TrivialRange]
// CHECK:STDOUT: %.loc18_18.2: ref %TrivialRange = temporary_storage
// CHECK:STDOUT: %.loc18_18.3: init %TrivialRange = class_init (), %.loc18_18.2 [concrete = constants.%TrivialRange.val]
// CHECK:STDOUT: %.loc18_18.4: ref %TrivialRange = temporary %.loc18_18.2, %.loc18_18.3
// CHECK:STDOUT: %.loc18_20.1: ref %TrivialRange = converted %.loc18_18.1, %.loc18_18.4
// CHECK:STDOUT: %impl.elem2: %.687 = impl_witness_access constants.%Iterate.impl_witness, element2 [concrete = constants.%TrivialRange.as.Iterate.impl.NewCursor.843a65.2]
// CHECK:STDOUT: %bound_method.loc18_35.1: <bound method> = bound_method %.loc18_20.1, %impl.elem2
// CHECK:STDOUT: %.loc18_20.2: %TrivialRange = acquire_value %.loc18_20.1
// CHECK:STDOUT: %NewCursor.ref: %TrivialRange.as.Iterate.impl.NewCursor.type.b01a0a.1 = name_ref NewCursor, @TrivialRange.as.Iterate.impl.%TrivialRange.as.Iterate.impl.NewCursor.decl.loc6_32.1 [concrete = constants.%TrivialRange.as.Iterate.impl.NewCursor.843a65.1]
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.NewCursor.bound: <bound method> = bound_method %.loc18_20.2, %NewCursor.ref
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.NewCursor.call: init %empty_tuple.type = call %TrivialRange.as.Iterate.impl.NewCursor.bound(%.loc18_20.2)
// CHECK:STDOUT: %var: ref %empty_tuple.type = var invalid
// CHECK:STDOUT: assign %var, %TrivialRange.as.Iterate.impl.NewCursor.call
// CHECK:STDOUT: br !for.next
// CHECK:STDOUT:
// CHECK:STDOUT: !for.next:
// CHECK:STDOUT: %addr: %ptr.843 = addr_of %var
// CHECK:STDOUT: %impl.elem3: %.0cd = impl_witness_access constants.%Iterate.impl_witness, element3 [concrete = constants.%TrivialRange.as.Iterate.impl.Next]
// CHECK:STDOUT: %bound_method.loc18_35.2: <bound method> = bound_method %.loc18_20.1, %impl.elem3
// CHECK:STDOUT: %.loc18_35.1: ref %Optional.cab = temporary_storage
// CHECK:STDOUT: %.loc18_20.3: %TrivialRange = acquire_value %.loc18_20.1
// CHECK:STDOUT: %TrivialRange.as.Iterate.impl.Next.call: init %Optional.cab = call %bound_method.loc18_35.2(%.loc18_20.3, %addr) to %.loc18_35.1
// CHECK:STDOUT: %.loc18_35.2: ref %Optional.cab = temporary %.loc18_35.1, %TrivialRange.as.Iterate.impl.Next.call
// CHECK:STDOUT: %.loc18_35.3: %Optional.HasValue.type.bd5 = specific_constant imports.%Core.import_ref.1b7, @Optional(constants.%Copy.facet) [concrete = constants.%Optional.HasValue.bea]
// CHECK:STDOUT: %HasValue.ref: %Optional.HasValue.type.bd5 = name_ref HasValue, %.loc18_35.3 [concrete = constants.%Optional.HasValue.bea]
// CHECK:STDOUT: %Optional.HasValue.bound: <bound method> = bound_method %.loc18_35.2, %HasValue.ref
// CHECK:STDOUT: %Optional.HasValue.specific_fn: <specific function> = specific_function %HasValue.ref, @Optional.HasValue(constants.%Copy.facet) [concrete = constants.%Optional.HasValue.specific_fn]
// CHECK:STDOUT: %bound_method.loc18_35.3: <bound method> = bound_method %.loc18_35.2, %Optional.HasValue.specific_fn
// CHECK:STDOUT: %.loc18_35.4: %Optional.cab = acquire_value %.loc18_35.2
// CHECK:STDOUT: %Optional.HasValue.call: init bool = call %bound_method.loc18_35.3(%.loc18_35.4)
// CHECK:STDOUT: %.loc18_35.5: bool = value_of_initializer %Optional.HasValue.call
// CHECK:STDOUT: %.loc18_35.6: bool = converted %Optional.HasValue.call, %.loc18_35.5
// CHECK:STDOUT: if %.loc18_35.6 br !for.body else br !for.done
// CHECK:STDOUT:
// CHECK:STDOUT: !for.body:
// CHECK:STDOUT: %.loc18_35.7: %Optional.Get.type.1e9 = specific_constant imports.%Core.import_ref.7204, @Optional(constants.%Copy.facet) [concrete = constants.%Optional.Get.abe]
// CHECK:STDOUT: %Get.ref: %Optional.Get.type.1e9 = name_ref Get, %.loc18_35.7 [concrete = constants.%Optional.Get.abe]
// CHECK:STDOUT: %Optional.Get.bound: <bound method> = bound_method %.loc18_35.2, %Get.ref
// CHECK:STDOUT: %Optional.Get.specific_fn: <specific function> = specific_function %Get.ref, @Optional.Get(constants.%Copy.facet) [concrete = constants.%Optional.Get.specific_fn]
// CHECK:STDOUT: %bound_method.loc18_35.4: <bound method> = bound_method %.loc18_35.2, %Optional.Get.specific_fn
// CHECK:STDOUT: %.loc18_35.8: %Optional.cab = acquire_value %.loc18_35.2
// CHECK:STDOUT: %Optional.Get.call: init %empty_tuple.type = call %bound_method.loc18_35.4(%.loc18_35.8)
// CHECK:STDOUT: %.loc18_12.1: type = splice_block %.loc18_12.3 [concrete = constants.%empty_tuple.type] {
// CHECK:STDOUT: %.loc18_12.2: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc18_12.3: type = converted %.loc18_12.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc18_35.9: ref %empty_tuple.type = temporary_storage
// CHECK:STDOUT: %.loc18_35.10: ref %empty_tuple.type = temporary %.loc18_35.9, %Optional.Get.call
// CHECK:STDOUT: %tuple: %empty_tuple.type = tuple_value () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc18_35.11: %empty_tuple.type = converted %Optional.Get.call, %tuple [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %_: %empty_tuple.type = value_binding _, %.loc18_35.11
// CHECK:STDOUT: %Body.ref: %Body.type = name_ref Body, file.%Body.decl [concrete = constants.%Body]
// CHECK:STDOUT: %Body.call: init %empty_tuple.type = call %Body.ref()
// CHECK:STDOUT: br !for.next
// CHECK:STDOUT:
// CHECK:STDOUT: !for.done:
// CHECK:STDOUT: %AfterLoop.ref: %AfterLoop.type = name_ref AfterLoop, file.%AfterLoop.decl [concrete = constants.%AfterLoop]
// CHECK:STDOUT: %AfterLoop.call: init %empty_tuple.type = call %AfterLoop.ref()
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.bound.loc18_35.1: <bound method> = bound_method %.loc18_35.10, constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.144
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc18_35.5: <bound method> = bound_method %.loc18_35.10, %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn.1
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.call.loc18_35.1: init %empty_tuple.type = call %bound_method.loc18_35.5(%.loc18_35.10)
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.bound.loc18_35.2: <bound method> = bound_method %.loc18_35.2, constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.0a1
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc18_35.6: <bound method> = bound_method %.loc18_35.2, %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn.2
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.call.loc18_35.2: init %empty_tuple.type = call %bound_method.loc18_35.6(%.loc18_35.2)
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.bound.loc18_35.3: <bound method> = bound_method %var, constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.144
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc18_35.7: <bound method> = bound_method %var, %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn.3
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.call.loc18_35.3: init %empty_tuple.type = call %bound_method.loc18_35.7(%var)
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.bound.loc18_18: <bound method> = bound_method %.loc18_18.4, constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.717
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc18_18: <bound method> = bound_method %.loc18_18.4, %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn.4
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.call.loc18_18: init %empty_tuple.type = call %bound_method.loc18_18(%.loc18_18.4)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
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