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carbon-lang/toolchain/check/testdata/impl/import_extend_impl.carbon
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Jon Ross-Perkins 04d534abee Remove the no_prelude directory, using --no-prelude-import directly (#5607) 
People seemed receptive [on
#toolchain](https://discord.com/channels/655572317891461132/655578254970716160/1379196447827689553),
so proceeding.

For the two name conflicts, I've set it up so that there's a
"foo.carbon" and "foo_with_prelude.carbon", to indicate that the
no-prelude approach is preferred (with a shorter name).

Note min_prelude will require a little more work/thought, I want to
avoid adding `--custom-core` etc.
2025-06-04 16:56:03 +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: --no-prelude-import --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/impl/import_extend_impl.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/impl/import_extend_impl.carbon
// --- extend_impl_library.carbon
library "[[@TEST_NAME]]";
interface I {
fn F();
}
class C {
extend impl as I {
fn F() {}
}
}
// --- use_imported_class_extend_impl.carbon
library "[[@TEST_NAME]]";
import library "extend_impl_library";
fn G(c: C) {
C.F();
c.F();
}
// CHECK:STDOUT: --- extend_impl_library.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
// CHECK:STDOUT: %Self: %I.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %F.type.cf0: type = fn_type @F.1 [concrete]
// CHECK:STDOUT: %F.bc6: %F.type.cf0 = struct_value () [concrete]
// CHECK:STDOUT: %I.assoc_type: type = assoc_entity_type @I [concrete]
// CHECK:STDOUT: %assoc0: %I.assoc_type = assoc_entity element0, @I.%F.decl [concrete]
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %I.impl_witness: <witness> = impl_witness @C.%I.impl_witness_table [concrete]
// CHECK:STDOUT: %F.type.f36: type = fn_type @F.2 [concrete]
// CHECK:STDOUT: %F.4c3: %F.type.f36 = struct_value () [concrete]
// CHECK:STDOUT: %I.facet: %I.type = facet_value %C, (%I.impl_witness) [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .I = %I.decl
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %I.decl: type = interface_decl @I [concrete = constants.%I.type] {} {}
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @I {
// CHECK:STDOUT: %Self: %I.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT: %F.decl: %F.type.cf0 = fn_decl @F.1 [concrete = constants.%F.bc6] {} {}
// CHECK:STDOUT: %assoc0: %I.assoc_type = assoc_entity element0, %F.decl [concrete = constants.%assoc0]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .F = %assoc0
// CHECK:STDOUT: witness = (%F.decl)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @impl: %Self.ref as %I.ref {
// CHECK:STDOUT: %F.decl: %F.type.f36 = fn_decl @F.2 [concrete = constants.%F.4c3] {} {}
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: witness = @C.%I.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT: impl_decl @impl [concrete] {} {
// CHECK:STDOUT: %Self.ref: type = name_ref Self, constants.%C [concrete = constants.%C]
// CHECK:STDOUT: %I.ref: type = name_ref I, file.%I.decl [concrete = constants.%I.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %I.impl_witness_table = impl_witness_table (@impl.%F.decl), @impl [concrete]
// CHECK:STDOUT: %I.impl_witness: <witness> = impl_witness %I.impl_witness_table [concrete = constants.%I.impl_witness]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete = constants.%empty_struct_type]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %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 = <poisoned>
// CHECK:STDOUT: extend @impl.%I.ref
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.1(@I.%Self: %I.type) {
// CHECK:STDOUT: fn();
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.2() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.1(constants.%Self) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.1(constants.%I.facet) {}
// CHECK:STDOUT:
// CHECK:STDOUT: --- use_imported_class_extend_impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %pattern_type: type = pattern_type %C [concrete]
// CHECK:STDOUT: %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
// CHECK:STDOUT: %Self: %I.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %I.assoc_type: type = assoc_entity_type @I [concrete]
// CHECK:STDOUT: %assoc0: %I.assoc_type = assoc_entity element0, imports.%Main.import_ref.e03 [concrete]
// CHECK:STDOUT: %I.impl_witness: <witness> = impl_witness imports.%I.impl_witness_table [concrete]
// CHECK:STDOUT: %F.type.cf0: type = fn_type @F.1 [concrete]
// CHECK:STDOUT: %F.bc6: %F.type.cf0 = struct_value () [concrete]
// CHECK:STDOUT: %I.facet: %I.type = facet_value %C, (%I.impl_witness) [concrete]
// CHECK:STDOUT: %.038: type = fn_type_with_self_type %F.type.cf0, %I.facet [concrete]
// CHECK:STDOUT: %F.type.f36: type = fn_type @F.2 [concrete]
// CHECK:STDOUT: %F.4c3: %F.type.f36 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.I = import_ref Main//extend_impl_library, I, unloaded
// CHECK:STDOUT: %Main.C: type = import_ref Main//extend_impl_library, C, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Main.import_ref.8f2: <witness> = import_ref Main//extend_impl_library, loc12_1, loaded [concrete = constants.%complete_type]
// CHECK:STDOUT: %Main.import_ref.2c4 = import_ref Main//extend_impl_library, inst28 [no loc], unloaded
// CHECK:STDOUT: %Main.import_ref.3019d1.1: type = import_ref Main//extend_impl_library, loc9_18, loaded [concrete = constants.%I.type]
// CHECK:STDOUT: %Main.import_ref.e5d = import_ref Main//extend_impl_library, inst17 [no loc], unloaded
// CHECK:STDOUT: %Main.import_ref.c44: %I.assoc_type = import_ref Main//extend_impl_library, loc5_9, loaded [concrete = constants.%assoc0]
// CHECK:STDOUT: %Main.F = import_ref Main//extend_impl_library, F, unloaded
// CHECK:STDOUT: %Main.import_ref.e03: %F.type.cf0 = import_ref Main//extend_impl_library, loc5_9, loaded [concrete = constants.%F.bc6]
// CHECK:STDOUT: %Main.import_ref.9d1: <witness> = import_ref Main//extend_impl_library, loc9_20, loaded [concrete = constants.%I.impl_witness]
// CHECK:STDOUT: %Main.import_ref.0ed: type = import_ref Main//extend_impl_library, loc9_15, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Main.import_ref.3019d1.2: type = import_ref Main//extend_impl_library, loc9_18, loaded [concrete = constants.%I.type]
// CHECK:STDOUT: %Main.import_ref.f6d: %F.type.f36 = import_ref Main//extend_impl_library, loc10_12, loaded [concrete = constants.%F.4c3]
// CHECK:STDOUT: %I.impl_witness_table = impl_witness_table (%Main.import_ref.f6d), @impl [concrete]
// CHECK:STDOUT: %Main.import_ref.5dd: %I.type = import_ref Main//extend_impl_library, inst17 [no loc], loaded [symbolic = constants.%Self]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .I = imports.%Main.I
// CHECK:STDOUT: .C = imports.%Main.C
// CHECK:STDOUT: .G = %G.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {
// CHECK:STDOUT: %c.patt: %pattern_type = binding_pattern c [concrete]
// CHECK:STDOUT: %c.param_patt: %pattern_type = value_param_pattern %c.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %c.param: %C = value_param call_param0
// CHECK:STDOUT: %C.ref.loc6: type = name_ref C, imports.%Main.C [concrete = constants.%C]
// CHECK:STDOUT: %c: %C = bind_name c, %c.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @I [from "extend_impl_library.carbon"] {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.e5d
// CHECK:STDOUT: .F = imports.%Main.import_ref.c44
// CHECK:STDOUT: witness = (imports.%Main.F)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @impl: imports.%Main.import_ref.0ed as imports.%Main.import_ref.3019d1.2 [from "extend_impl_library.carbon"] {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: witness = imports.%Main.import_ref.9d1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "extend_impl_library.carbon"] {
// CHECK:STDOUT: complete_type_witness = imports.%Main.import_ref.8f2
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.2c4
// CHECK:STDOUT: .F = <poisoned>
// CHECK:STDOUT: extend imports.%Main.import_ref.3019d1.1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G(%c.param: %C) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %C.ref.loc7: type = name_ref C, imports.%Main.C [concrete = constants.%C]
// CHECK:STDOUT: %F.ref.loc7: %I.assoc_type = name_ref F, imports.%Main.import_ref.c44 [concrete = constants.%assoc0]
// CHECK:STDOUT: %impl.elem0.loc7: %.038 = impl_witness_access constants.%I.impl_witness, element0 [concrete = constants.%F.4c3]
// CHECK:STDOUT: %F.call.loc7: init %empty_tuple.type = call %impl.elem0.loc7()
// CHECK:STDOUT: %c.ref: %C = name_ref c, %c
// CHECK:STDOUT: %F.ref.loc8: %I.assoc_type = name_ref F, imports.%Main.import_ref.c44 [concrete = constants.%assoc0]
// CHECK:STDOUT: %impl.elem0.loc8: %.038 = impl_witness_access constants.%I.impl_witness, element0 [concrete = constants.%F.4c3]
// CHECK:STDOUT: %F.call.loc8: init %empty_tuple.type = call %impl.elem0.loc8()
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.1(imports.%Main.import_ref.5dd: %I.type) [from "extend_impl_library.carbon"] {
// CHECK:STDOUT: fn;
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.2 [from "extend_impl_library.carbon"];
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.1(constants.%Self) {}
// CHECK:STDOUT:
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