mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-02 22:02:51 +01:00
This inst was meant to support tracking the depth of a `.Self` facet, but we have now implemented substitution of `.Self` in facet type identification, and in eval of where expressions, without needing to track the depth. See history here: - [2025-06-30](https://docs.google.com/document/d/1Yt-i5AmF76LSvD4TrWRIAE_92kii6j5yFiW-S7ahzlg/edit?tab=t.0#heading=h.4qd5dkyfn2k3) - [2025-07-07](https://docs.google.com/document/d/1Yt-i5AmF76LSvD4TrWRIAE_92kii6j5yFiW-S7ahzlg/edit?tab=t.0#heading=h.7urbxcq23olv) - #6026
214 lines
12 KiB
Plaintext
214 lines
12 KiB
Plaintext
// 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/convert.carbon
|
|
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
|
|
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
|
|
//
|
|
// AUTOUPDATE
|
|
// TIP: To test this file alone, run:
|
|
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interface/default_fn.carbon
|
|
// TIP: To dump output, run:
|
|
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interface/default_fn.carbon
|
|
|
|
class C {
|
|
interface I {
|
|
// TODO: Use `default` here.
|
|
fn F[unused self: Self]() {
|
|
// I and F are both complete here, and the impl below is in scope.
|
|
var c: C = {};
|
|
c.(I.F)();
|
|
}
|
|
}
|
|
|
|
impl C as I {
|
|
fn F[unused self: Self]() {}
|
|
}
|
|
}
|
|
|
|
// CHECK:STDOUT: --- default_fn.carbon
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: constants {
|
|
// CHECK:STDOUT: %C: type = class_type @C [concrete]
|
|
// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
|
|
// CHECK:STDOUT: %Self.849: %I.type = symbolic_binding Self, 0 [symbolic]
|
|
// CHECK:STDOUT: %Self.as_type.f3e: type = facet_access_type %Self.849 [symbolic]
|
|
// CHECK:STDOUT: %pattern_type.191: type = pattern_type %Self.as_type.f3e [symbolic]
|
|
// CHECK:STDOUT: %I.WithSelf.F.type.b26: type = fn_type @I.WithSelf.F, @I.WithSelf(%Self.849) [symbolic]
|
|
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
|
|
// CHECK:STDOUT: %I.WithSelf.F.983: %I.WithSelf.F.type.b26 = struct_value () [symbolic]
|
|
// CHECK:STDOUT: %I.assoc_type: type = assoc_entity_type @I [concrete]
|
|
// CHECK:STDOUT: %assoc0.1f8: %I.assoc_type = assoc_entity element0, @I.WithSelf.%I.WithSelf.F.decl [concrete]
|
|
// CHECK:STDOUT: %I.impl_witness: <witness> = impl_witness @C.as.I.impl.%I.impl_witness_table [concrete]
|
|
// CHECK:STDOUT: %pattern_type.7c7: type = pattern_type %C [concrete]
|
|
// CHECK:STDOUT: %C.as.I.impl.F.type: type = fn_type @C.as.I.impl.F [concrete]
|
|
// CHECK:STDOUT: %C.as.I.impl.F: %C.as.I.impl.F.type = struct_value () [concrete]
|
|
// CHECK:STDOUT: %I.facet: %I.type = facet_value %C, (%I.impl_witness) [concrete]
|
|
// CHECK:STDOUT: %I.WithSelf.F.type.1f2: type = fn_type @I.WithSelf.F, @I.WithSelf(%I.facet) [concrete]
|
|
// CHECK:STDOUT: %I.WithSelf.F.860: %I.WithSelf.F.type.1f2 = struct_value () [concrete]
|
|
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
|
|
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
|
|
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %Self.as_type.f3e [symbolic]
|
|
// CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [concrete]
|
|
// CHECK:STDOUT: %C.val: %C = struct_value () [concrete]
|
|
// CHECK:STDOUT: %.fae: type = fn_type_with_self_type %I.WithSelf.F.type.1f2, %I.facet [concrete]
|
|
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
|
|
// CHECK:STDOUT: %Destroy.Op.type.bae255.2: type = fn_type @Destroy.Op.loc20_7.2 [concrete]
|
|
// CHECK:STDOUT: %Destroy.Op.651ba6.2: %Destroy.Op.type.bae255.2 = struct_value () [concrete]
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: imports {
|
|
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
|
|
// CHECK:STDOUT: .Destroy = %Core.Destroy
|
|
// CHECK:STDOUT: import Core//prelude
|
|
// CHECK:STDOUT: import Core//prelude/...
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: file {
|
|
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
|
|
// CHECK:STDOUT: .Core = imports.%Core
|
|
// CHECK:STDOUT: .C = %C.decl
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %Core.import = import Core
|
|
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: interface @I {
|
|
// CHECK:STDOUT: %Self: %I.type = symbolic_binding Self, 0 [symbolic = constants.%Self.849]
|
|
// CHECK:STDOUT: %I.WithSelf.decl = interface_with_self_decl @I [concrete]
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: !with Self:
|
|
// CHECK:STDOUT: %I.WithSelf.F.decl: @I.WithSelf.%I.WithSelf.F.type (%I.WithSelf.F.type.b26) = fn_decl @I.WithSelf.F [symbolic = @I.WithSelf.%I.WithSelf.F (constants.%I.WithSelf.F.983)] {
|
|
// CHECK:STDOUT: %self.param_patt: @I.WithSelf.F.%pattern_type (%pattern_type.191) = value_param_pattern [concrete]
|
|
// CHECK:STDOUT: %self.patt: @I.WithSelf.F.%pattern_type (%pattern_type.191) = at_binding_pattern self, %self.param_patt [concrete]
|
|
// CHECK:STDOUT: } {
|
|
// CHECK:STDOUT: %self.param: @I.WithSelf.F.%Self.as_type.loc18_23.1 (%Self.as_type.f3e) = value_param call_param0
|
|
// CHECK:STDOUT: %.loc18_23.1: type = splice_block %.loc18_23.2 [symbolic = %Self.as_type.loc18_23.1 (constants.%Self.as_type.f3e)] {
|
|
// CHECK:STDOUT: %Self.ref: %I.type = name_ref Self, @I.%Self [symbolic = %Self (constants.%Self.849)]
|
|
// CHECK:STDOUT: %Self.as_type.loc18_23.2: type = facet_access_type %Self.ref [symbolic = %Self.as_type.loc18_23.1 (constants.%Self.as_type.f3e)]
|
|
// CHECK:STDOUT: %.loc18_23.2: type = converted %Self.ref, %Self.as_type.loc18_23.2 [symbolic = %Self.as_type.loc18_23.1 (constants.%Self.as_type.f3e)]
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %self: @I.WithSelf.F.%Self.as_type.loc18_23.1 (%Self.as_type.f3e) = value_binding self, %self.param
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %assoc0: %I.assoc_type = assoc_entity element0, %I.WithSelf.F.decl [concrete = constants.%assoc0.1f8]
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: !members:
|
|
// CHECK:STDOUT: .Self = %Self
|
|
// CHECK:STDOUT: .C = <poisoned>
|
|
// CHECK:STDOUT: .I = <poisoned>
|
|
// CHECK:STDOUT: .F = @I.WithSelf.%assoc0
|
|
// CHECK:STDOUT: .C = <poisoned>
|
|
// CHECK:STDOUT: .I = <poisoned>
|
|
// CHECK:STDOUT: witness = (@I.WithSelf.%I.WithSelf.F.decl)
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: !requires:
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: impl @C.as.I.impl: %C.ref as %I.ref {
|
|
// CHECK:STDOUT: %C.as.I.impl.F.decl: %C.as.I.impl.F.type = fn_decl @C.as.I.impl.F [concrete = constants.%C.as.I.impl.F] {
|
|
// CHECK:STDOUT: %self.param_patt: %pattern_type.7c7 = value_param_pattern [concrete]
|
|
// CHECK:STDOUT: %self.patt: %pattern_type.7c7 = at_binding_pattern self, %self.param_patt [concrete]
|
|
// CHECK:STDOUT: } {
|
|
// CHECK:STDOUT: %self.param: %C = value_param call_param0
|
|
// CHECK:STDOUT: %Self.ref: type = name_ref Self, @C.as.I.impl.%C.ref [concrete = constants.%C]
|
|
// CHECK:STDOUT: %self: %C = value_binding self, %self.param
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %I.impl_witness_table = impl_witness_table (%C.as.I.impl.F.decl), @C.as.I.impl [concrete]
|
|
// CHECK:STDOUT: %I.impl_witness: <witness> = impl_witness %I.impl_witness_table [concrete = constants.%I.impl_witness]
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: !members:
|
|
// CHECK:STDOUT: .F = %C.as.I.impl.F.decl
|
|
// CHECK:STDOUT: witness = %I.impl_witness
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: class @C {
|
|
// CHECK:STDOUT: %I.decl: type = interface_decl @I [concrete = constants.%I.type] {} {}
|
|
// CHECK:STDOUT: impl_decl @C.as.I.impl [concrete] {} {
|
|
// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
|
|
// CHECK:STDOUT: %I.ref: type = name_ref I, @C.%I.decl [concrete = constants.%I.type]
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
|
|
// CHECK:STDOUT: complete_type_witness = %complete_type
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: !members:
|
|
// CHECK:STDOUT: .Self = constants.%C
|
|
// CHECK:STDOUT: .I = %I.decl
|
|
// CHECK:STDOUT: .C = <poisoned>
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: generic fn @I.WithSelf.F(@I.%Self: %I.type) {
|
|
// CHECK:STDOUT: %Self: %I.type = symbolic_binding Self, 0 [symbolic = %Self (constants.%Self.849)]
|
|
// CHECK:STDOUT: %Self.as_type.loc18_23.1: type = facet_access_type %Self [symbolic = %Self.as_type.loc18_23.1 (constants.%Self.as_type.f3e)]
|
|
// CHECK:STDOUT: %pattern_type: type = pattern_type %Self.as_type.loc18_23.1 [symbolic = %pattern_type (constants.%pattern_type.191)]
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: !definition:
|
|
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %Self.as_type.loc18_23.1 [symbolic = %require_complete (constants.%require_complete)]
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: fn(%self.param: @I.WithSelf.F.%Self.as_type.loc18_23.1 (%Self.as_type.f3e)) {
|
|
// CHECK:STDOUT: !entry:
|
|
// CHECK:STDOUT: name_binding_decl {
|
|
// CHECK:STDOUT: %c.patt: %pattern_type.7c7 = ref_binding_pattern c [concrete]
|
|
// CHECK:STDOUT: %c.var_patt: %pattern_type.7c7 = var_pattern %c.patt [concrete]
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %c.var: ref %C = var %c.var_patt
|
|
// CHECK:STDOUT: %.loc20_19.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
|
|
// CHECK:STDOUT: %.loc20_19.2: init %C to %c.var = class_init () [concrete = constants.%C.val]
|
|
// CHECK:STDOUT: %.loc20_7: init %C = converted %.loc20_19.1, %.loc20_19.2 [concrete = constants.%C.val]
|
|
// CHECK:STDOUT: assign %c.var, %.loc20_7
|
|
// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
|
|
// CHECK:STDOUT: %c: ref %C = ref_binding c, %c.var
|
|
// CHECK:STDOUT: %c.ref: ref %C = name_ref c, %c
|
|
// CHECK:STDOUT: %I.ref: type = name_ref I, @C.%I.decl [concrete = constants.%I.type]
|
|
// CHECK:STDOUT: %F.ref: %I.assoc_type = name_ref F, @I.WithSelf.%assoc0 [concrete = constants.%assoc0.1f8]
|
|
// CHECK:STDOUT: %impl.elem0: %.fae = impl_witness_access constants.%I.impl_witness, element0 [concrete = constants.%C.as.I.impl.F]
|
|
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %c.ref, %impl.elem0
|
|
// CHECK:STDOUT: %.loc21: %C = acquire_value %c.ref
|
|
// CHECK:STDOUT: %C.as.I.impl.F.call: init %empty_tuple.type = call %bound_method(%.loc21)
|
|
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %c.var, constants.%Destroy.Op.651ba6.2
|
|
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%c.var)
|
|
// CHECK:STDOUT: return
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: fn @C.as.I.impl.F(%self.param: %C) {
|
|
// CHECK:STDOUT: !entry:
|
|
// CHECK:STDOUT: return
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: fn @Destroy.Op.loc20_7.1(%self.param: ref %empty_struct_type) = "no_op";
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: fn @Destroy.Op.loc20_7.2(%self.param: ref %C) {
|
|
// CHECK:STDOUT: !entry:
|
|
// CHECK:STDOUT: return
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: specific @I.WithSelf(constants.%Self.849) {
|
|
// CHECK:STDOUT: !definition:
|
|
// CHECK:STDOUT: %Self => constants.%Self.849
|
|
// CHECK:STDOUT: %I.WithSelf.F.type => constants.%I.WithSelf.F.type.b26
|
|
// CHECK:STDOUT: %I.WithSelf.F => constants.%I.WithSelf.F.983
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: specific @I.WithSelf.F(constants.%Self.849) {
|
|
// CHECK:STDOUT: %Self => constants.%Self.849
|
|
// CHECK:STDOUT: %Self.as_type.loc18_23.1 => constants.%Self.as_type.f3e
|
|
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.191
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: specific @I.WithSelf(constants.%I.facet) {
|
|
// CHECK:STDOUT: !definition:
|
|
// CHECK:STDOUT: %Self => constants.%I.facet
|
|
// CHECK:STDOUT: %I.WithSelf.F.type => constants.%I.WithSelf.F.type.1f2
|
|
// CHECK:STDOUT: %I.WithSelf.F => constants.%I.WithSelf.F.860
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: specific @I.WithSelf.F(constants.%I.facet) {
|
|
// CHECK:STDOUT: %Self => constants.%I.facet
|
|
// CHECK:STDOUT: %Self.as_type.loc18_23.1 => constants.%C
|
|
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.7c7
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|