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carbon-lang/toolchain/check/testdata/class/base_method.carbon
T
Richard Smith 344f0b7550 Support for heterogeneous operators. (#5653) 
Replace the binary `Operation` interfaces with the `OperationWith(T:!
type)` interfaces described in the design, and add a `Result` associated
type for both unary and binary operations. Update the `impl`s in the
prelude for integer types to use the new form, including supporting
implicit conversion of either operand.

I've tried to split this PR up into commits focused on distinct changes
for review convenience. It may be simplest to review it one commit at a
time.
2025-06-13 01:55:24 +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
//
// 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/class/base_method.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/base_method.carbon
base class Base {
var a: i32;
fn F[addr self: Self*]();
}
fn Base.F[addr self: Self*]() {
(*self).a = 1;
}
class Derived {
extend base: Base;
}
fn Call(p: Derived*) {
(*p).F();
}
// CHECK:STDOUT: --- base_method.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Base: type = class_type @Base [concrete]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %Base.elem: type = unbound_element_type %Base, %i32 [concrete]
// CHECK:STDOUT: %ptr.11f: type = ptr_type %Base [concrete]
// CHECK:STDOUT: %pattern_type.1b9: type = pattern_type %ptr.11f [concrete]
// CHECK:STDOUT: %pattern_type.f6d: type = pattern_type auto [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %struct_type.a: type = struct_type {.a: %i32} [concrete]
// CHECK:STDOUT: %complete_type.fd7: <witness> = complete_type_witness %struct_type.a [concrete]
// CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT: %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
// CHECK:STDOUT: %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT: %To.c80: Core.IntLiteral = bind_symbolic_name To, 0 [symbolic]
// CHECK:STDOUT: %Convert.type.0f9: type = fn_type @Convert.3, @impl.4f9(%To.c80) [symbolic]
// CHECK:STDOUT: %Convert.f06: %Convert.type.0f9 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.c75: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
// CHECK:STDOUT: %Convert.type.035: type = fn_type @Convert.3, @impl.4f9(%int_32) [concrete]
// CHECK:STDOUT: %Convert.956: %Convert.type.035 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet.921: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
// CHECK:STDOUT: %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet.921 [concrete]
// CHECK:STDOUT: %Convert.bound: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
// CHECK:STDOUT: %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.3(%int_32) [concrete]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_1.5d2: %i32 = int_value 1 [concrete]
// CHECK:STDOUT: %Derived: type = class_type @Derived [concrete]
// CHECK:STDOUT: %Derived.elem: type = unbound_element_type %Derived, %Base [concrete]
// CHECK:STDOUT: %struct_type.base.b1e: type = struct_type {.base: %Base} [concrete]
// CHECK:STDOUT: %complete_type.15c: <witness> = complete_type_witness %struct_type.base.b1e [concrete]
// CHECK:STDOUT: %ptr.404: type = ptr_type %Derived [concrete]
// CHECK:STDOUT: %pattern_type.605: type = pattern_type %ptr.404 [concrete]
// CHECK:STDOUT: %Call.type: type = fn_type @Call [concrete]
// CHECK:STDOUT: %Call: %Call.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/operators/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
// CHECK:STDOUT: %Core.import_ref.a5b: @impl.4f9.%Convert.type (%Convert.type.0f9) = import_ref Core//prelude/types/int, loc19_39, loaded [symbolic = @impl.4f9.%Convert (constants.%Convert.f06)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.a2f = impl_witness_table (%Core.import_ref.a5b), @impl.4f9 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Base = %Base.decl
// CHECK:STDOUT: .Derived = %Derived.decl
// CHECK:STDOUT: .Call = %Call.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Base.decl: type = class_decl @Base [concrete = constants.%Base] {} {}
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %self.patt: %pattern_type.1b9 = binding_pattern self [concrete]
// CHECK:STDOUT: %self.param_patt: %pattern_type.1b9 = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT: %.loc20_11: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %self.param.loc20: %ptr.11f = value_param call_param0
// CHECK:STDOUT: %.loc20_26: type = splice_block %ptr.loc20 [concrete = constants.%ptr.11f] {
// CHECK:STDOUT: %Self.ref.loc20: type = name_ref Self, constants.%Base [concrete = constants.%Base]
// CHECK:STDOUT: %ptr.loc20: type = ptr_type %Self.ref.loc20 [concrete = constants.%ptr.11f]
// CHECK:STDOUT: }
// CHECK:STDOUT: %self.loc20: %ptr.11f = bind_name self, %self.param.loc20
// CHECK:STDOUT: }
// CHECK:STDOUT: %Derived.decl: type = class_decl @Derived [concrete = constants.%Derived] {} {}
// CHECK:STDOUT: %Call.decl: %Call.type = fn_decl @Call [concrete = constants.%Call] {
// CHECK:STDOUT: %p.patt: %pattern_type.605 = binding_pattern p [concrete]
// CHECK:STDOUT: %p.param_patt: %pattern_type.605 = value_param_pattern %p.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %p.param: %ptr.404 = value_param call_param0
// CHECK:STDOUT: %.loc28: type = splice_block %ptr [concrete = constants.%ptr.404] {
// CHECK:STDOUT: %Derived.ref: type = name_ref Derived, file.%Derived.decl [concrete = constants.%Derived]
// CHECK:STDOUT: %ptr: type = ptr_type %Derived.ref [concrete = constants.%ptr.404]
// CHECK:STDOUT: }
// CHECK:STDOUT: %p: %ptr.404 = bind_name p, %p.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Base {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %.loc15: %Base.elem = field_decl a, element0 [concrete]
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %self.patt: %pattern_type.1b9 = binding_pattern self [concrete]
// CHECK:STDOUT: %self.param_patt: %pattern_type.1b9 = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT: %.loc20_11: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %self.param.loc17: %ptr.11f = value_param call_param0
// CHECK:STDOUT: %.loc17: type = splice_block %ptr.loc17 [concrete = constants.%ptr.11f] {
// CHECK:STDOUT: %Self.ref.loc17: type = name_ref Self, constants.%Base [concrete = constants.%Base]
// CHECK:STDOUT: %ptr.loc17: type = ptr_type %Self.ref.loc17 [concrete = constants.%ptr.11f]
// CHECK:STDOUT: }
// CHECK:STDOUT: %self.loc17: %ptr.11f = bind_name self, %self.param.loc17
// CHECK:STDOUT: }
// CHECK:STDOUT: %struct_type.a: type = struct_type {.a: %i32} [concrete = constants.%struct_type.a]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.a [concrete = constants.%complete_type.fd7]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Base
// CHECK:STDOUT: .a = %.loc15
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Derived {
// CHECK:STDOUT: %Base.ref: type = name_ref Base, file.%Base.decl [concrete = constants.%Base]
// CHECK:STDOUT: %.loc25: %Derived.elem = base_decl %Base.ref, element0 [concrete]
// CHECK:STDOUT: %struct_type.base: type = struct_type {.base: %Base} [concrete = constants.%struct_type.base.b1e]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.base [concrete = constants.%complete_type.15c]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Derived
// CHECK:STDOUT: .Base = <poisoned>
// CHECK:STDOUT: .base = %.loc25
// CHECK:STDOUT: .F = <poisoned>
// CHECK:STDOUT: extend %Base.ref
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%self.param.loc20: %ptr.11f) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %self.ref: %ptr.11f = name_ref self, %self.loc20
// CHECK:STDOUT: %.loc21_4: ref %Base = deref %self.ref
// CHECK:STDOUT: %a.ref: %Base.elem = name_ref a, @Base.%.loc15 [concrete = @Base.%.loc15]
// CHECK:STDOUT: %.loc21_10: ref %i32 = class_element_access %.loc21_4, element0
// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %impl.elem0: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT: %bound_method.loc21_13.1: <bound method> = bound_method %int_1, %impl.elem0 [concrete = constants.%Convert.bound]
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @Convert.3(constants.%int_32) [concrete = constants.%Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc21_13.2: <bound method> = bound_method %int_1, %specific_fn [concrete = constants.%bound_method]
// CHECK:STDOUT: %int.convert_checked: init %i32 = call %bound_method.loc21_13.2(%int_1) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc21_13: init %i32 = converted %int_1, %int.convert_checked [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: assign %.loc21_10, %.loc21_13
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Call(%p.param: %ptr.404) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %p.ref: %ptr.404 = name_ref p, %p
// CHECK:STDOUT: %.loc29_4.1: ref %Derived = deref %p.ref
// CHECK:STDOUT: %F.ref: %F.type = name_ref F, @Base.%F.decl [concrete = constants.%F]
// CHECK:STDOUT: %F.bound: <bound method> = bound_method %.loc29_4.1, %F.ref
// CHECK:STDOUT: %addr.loc29_4.1: %ptr.404 = addr_of %.loc29_4.1
// CHECK:STDOUT: %.loc29_4.2: ref %Derived = deref %addr.loc29_4.1
// CHECK:STDOUT: %.loc29_4.3: ref %Base = class_element_access %.loc29_4.2, element0
// CHECK:STDOUT: %addr.loc29_4.2: %ptr.11f = addr_of %.loc29_4.3
// CHECK:STDOUT: %.loc29_4.4: %ptr.11f = converted %addr.loc29_4.1, %addr.loc29_4.2
// CHECK:STDOUT: %F.call: init %empty_tuple.type = call %F.bound(%.loc29_4.4)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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