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carbon-lang/toolchain/check/testdata/interface/fail_member_lookup.carbon
T
Geoff Romer 09710d102f Separate binding insts for refs and values (#6235) 
This resolves a TODO in `expr_info.cpp` by using the inst kind rather
than the bound value to track the binding's category.

Since we're churning all the `bind_name` insts in testdata anyway, I'm
also taking this opportunity to align the inst naming with the design's
terminology, by calling these insts "bindings" (this aspect of the PR is
dependent on #6231 resolving an ambiguity in that terminology). For
consistency we'll need to rename several other insts as well (see the
TODO on `RefBinding`); I'm deferring that to a separate PR to minimize
the review load, but I think those name changes are in-scope for this
review.
2025-10-23 01:46:24 +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
//
// 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/fail_member_lookup.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interface/fail_member_lookup.carbon
// --- fail_member_lookup.carbon
library "[[@TEST_NAME]]";
interface Interface {
fn F();
let T:! type;
}
fn F() {
// CHECK:STDERR: fail_member_lookup.carbon:[[@LINE+4]]:3: error: value of type `<associated entity in Interface>` is not callable [CallToNonCallable]
// CHECK:STDERR: Interface.F();
// CHECK:STDERR: ^~~~~~~~~~~~~
// CHECK:STDERR:
Interface.F();
// CHECK:STDERR: fail_member_lookup.carbon:[[@LINE+7]]:10: error: cannot implicitly convert non-type value of type `<associated entity in Interface>` to `type` [ConversionFailureNonTypeToFacet]
// CHECK:STDERR: var v: Interface.T;
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR: fail_member_lookup.carbon:[[@LINE+4]]:10: note: type `<associated entity in Interface>` does not implement interface `Core.ImplicitAs(type)` [MissingImplInMemberAccessNote]
// CHECK:STDERR: var v: Interface.T;
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR:
var v: Interface.T;
}
interface Different {}
// CHECK:STDERR: fail_member_lookup.carbon:[[@LINE+4]]:24: error: cannot convert type `U` that implements `Different` into type implementing `Interface` [ConversionFailureFacetToFacet]
// CHECK:STDERR: fn G(U:! Different) -> U.(Interface.T);
// CHECK:STDERR: ^~~~~~~~~~~~~~~
// CHECK:STDERR:
fn G(U:! Different) -> U.(Interface.T);
// CHECK:STDOUT: --- fail_member_lookup.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Interface.type: type = facet_type <@Interface> [concrete]
// CHECK:STDOUT: %Self.46e: %Interface.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %Interface.F.type: type = fn_type @Interface.F [concrete]
// CHECK:STDOUT: %Interface.F: %Interface.F.type = struct_value () [concrete]
// CHECK:STDOUT: %Interface.assoc_type: type = assoc_entity_type @Interface [concrete]
// CHECK:STDOUT: %assoc0.b4c: %Interface.assoc_type = assoc_entity element0, @Interface.%Interface.F.decl [concrete]
// CHECK:STDOUT: %assoc1: %Interface.assoc_type = assoc_entity element1, @Interface.%T [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
// CHECK:STDOUT: %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %Different.type: type = facet_type <@Different> [concrete]
// CHECK:STDOUT: %Self.b8f: %Different.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %.Self: %type = bind_symbolic_name .Self [symbolic_self]
// CHECK:STDOUT: %U: %Different.type = bind_symbolic_name U, 0 [symbolic]
// CHECK:STDOUT: %pattern_type.fa7: type = pattern_type %Different.type [concrete]
// CHECK:STDOUT: %U.binding.as_type: type = symbolic_binding_type U, 0, %U [symbolic]
// CHECK:STDOUT: %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT: .Destroy = %Core.Destroy
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/parts/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
// 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: .Interface = %Interface.decl
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: .Different = %Different.decl
// CHECK:STDOUT: .G = %G.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Interface.decl: type = interface_decl @Interface [concrete = constants.%Interface.type] {} {}
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: %Different.decl: type = interface_decl @Different [concrete = constants.%Different.type] {} {}
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {
// CHECK:STDOUT: %U.patt: %pattern_type.fa7 = symbolic_binding_pattern U, 0 [concrete]
// CHECK:STDOUT: %return.patt: <error> = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: <error> = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %U.ref: %Different.type = name_ref U, %U.loc32_6.2 [symbolic = %U.loc32_6.1 (constants.%U)]
// CHECK:STDOUT: %Interface.ref: type = name_ref Interface, file.%Interface.decl [concrete = constants.%Interface.type]
// CHECK:STDOUT: %T.ref: %Interface.assoc_type = name_ref T, @T.%assoc1 [concrete = constants.%assoc1]
// CHECK:STDOUT: %U.as_type: type = facet_access_type %U.ref [symbolic = %U.binding.as_type (constants.%U.binding.as_type)]
// CHECK:STDOUT: %.loc32: type = splice_block %Different.ref [concrete = constants.%Different.type] {
// CHECK:STDOUT: %.Self: %type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %Different.ref: type = name_ref Different, file.%Different.decl [concrete = constants.%Different.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.loc32_6.2: %Different.type = bind_symbolic_name U, 0 [symbolic = %U.loc32_6.1 (constants.%U)]
// CHECK:STDOUT: %return.param: ref <error> = out_param call_param0
// CHECK:STDOUT: %return: ref <error> = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Interface {
// CHECK:STDOUT: %Self: %Interface.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self.46e]
// CHECK:STDOUT: %Interface.F.decl: %Interface.F.type = fn_decl @Interface.F [concrete = constants.%Interface.F] {} {}
// CHECK:STDOUT: %assoc0: %Interface.assoc_type = assoc_entity element0, %Interface.F.decl [concrete = constants.%assoc0.b4c]
// CHECK:STDOUT: %T: type = assoc_const_decl @T [concrete] {
// CHECK:STDOUT: %assoc1: %Interface.assoc_type = assoc_entity element1, @Interface.%T [concrete = constants.%assoc1]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .F = %assoc0
// CHECK:STDOUT: .T = @T.%assoc1
// CHECK:STDOUT: witness = (%Interface.F.decl, %T)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Different {
// CHECK:STDOUT: %Self: %Different.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self.b8f]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: witness = ()
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic assoc_const @T(@Interface.%Self: %Interface.type) {
// CHECK:STDOUT: assoc_const T:! type;
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Interface.F(@Interface.%Self: %Interface.type) {
// CHECK:STDOUT: fn();
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Interface.ref.loc14: type = name_ref Interface, file.%Interface.decl [concrete = constants.%Interface.type]
// CHECK:STDOUT: %F.ref: %Interface.assoc_type = name_ref F, @Interface.%assoc0 [concrete = constants.%assoc0.b4c]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %v.patt: <error> = ref_binding_pattern v [concrete]
// CHECK:STDOUT: %v.var_patt: <error> = var_pattern %v.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v.var: ref <error> = var %v.var_patt [concrete = <error>]
// CHECK:STDOUT: %.1: <error> = splice_block <error> [concrete = <error>] {
// CHECK:STDOUT: %Interface.ref.loc23: type = name_ref Interface, file.%Interface.decl [concrete = constants.%Interface.type]
// CHECK:STDOUT: %T.ref: %Interface.assoc_type = name_ref T, @T.%assoc1 [concrete = constants.%assoc1]
// CHECK:STDOUT: %.loc23: type = converted %T.ref, <error> [concrete = <error>]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v: ref <error> = ref_binding v, <error> [concrete = <error>]
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @G(%U.loc32_6.2: %Different.type) {
// CHECK:STDOUT: %U.loc32_6.1: %Different.type = bind_symbolic_name U, 0 [symbolic = %U.loc32_6.1 (constants.%U)]
// CHECK:STDOUT: %U.binding.as_type: type = symbolic_binding_type U, 0, %U.loc32_6.1 [symbolic = %U.binding.as_type (constants.%U.binding.as_type)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() -> <error>;
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Interface.F(constants.%Self.46e) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @T(constants.%Self.46e) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @G(constants.%U) {
// CHECK:STDOUT: %U.loc32_6.1 => constants.%U
// CHECK:STDOUT: %U.binding.as_type => constants.%U.binding.as_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
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