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https://github.com/carbon-language/carbon-lang.git
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Geoff Romer
09710d102f
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.
124 lines
5.2 KiB
Plaintext
124 lines
5.2 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/convert.carbon
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/enum/unscoped.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/enum/unscoped.carbon
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// --- enum.h
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enum Enum { a, b, c };
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enum Other { d };
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// --- import_enum.carbon
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library "[[@TEST_NAME]]";
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import Cpp library "enum.h";
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//@dump-sem-ir-begin
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fn F() {
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let a: Cpp.Enum = Cpp.Enum.a;
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let b: Cpp.Enum = Cpp.b;
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}
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//@dump-sem-ir-end
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// --- fail_wrong_enum.carbon
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library "[[@TEST_NAME]]";
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import Cpp library "enum.h";
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fn F() {
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// CHECK:STDERR: fail_wrong_enum.carbon:[[@LINE+7]]:22: error: cannot implicitly convert expression of type `Cpp.Enum` to `Cpp.Other` [ConversionFailure]
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// CHECK:STDERR: let c: Cpp.Other = Cpp.Enum.c;
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// CHECK:STDERR: ^~~~~~~~~~
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// CHECK:STDERR: fail_wrong_enum.carbon:[[@LINE+4]]:22: note: type `Cpp.Enum` does not implement interface `Core.ImplicitAs(Cpp.Other)` [MissingImplInMemberAccessNote]
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// CHECK:STDERR: let c: Cpp.Other = Cpp.Enum.c;
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// CHECK:STDERR: ^~~~~~~~~~
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// CHECK:STDERR:
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let c: Cpp.Other = Cpp.Enum.c;
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// CHECK:STDERR: fail_wrong_enum.carbon:[[@LINE+7]]:23: error: cannot implicitly convert expression of type `Cpp.Enum` to `Cpp.Other` [ConversionFailure]
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// CHECK:STDERR: let c2: Cpp.Other = Cpp.c;
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// CHECK:STDERR: ^~~~~
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// CHECK:STDERR: fail_wrong_enum.carbon:[[@LINE+4]]:23: note: type `Cpp.Enum` does not implement interface `Core.ImplicitAs(Cpp.Other)` [MissingImplInMemberAccessNote]
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// CHECK:STDERR: let c2: Cpp.Other = Cpp.c;
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// CHECK:STDERR: ^~~~~
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// CHECK:STDERR:
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let c2: Cpp.Other = Cpp.c;
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}
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// --- fail_non_enum_member.carbon
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library "[[@TEST_NAME]]";
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import Cpp library "enum.h";
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fn F() {
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// CHECK:STDERR: fail_non_enum_member.carbon:[[@LINE+4]]:22: error: member name `d` not found in `Cpp.Enum` [MemberNameNotFoundInInstScope]
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// CHECK:STDERR: let c: Cpp.Other = Cpp.Enum.d;
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// CHECK:STDERR: ^~~~~~~~~~
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// CHECK:STDERR:
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let c: Cpp.Other = Cpp.Enum.d;
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}
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// CHECK:STDOUT: --- import_enum.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
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// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
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// CHECK:STDOUT: %Enum: type = class_type @Enum [concrete]
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// CHECK:STDOUT: %pattern_type: type = pattern_type %Enum [concrete]
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// CHECK:STDOUT: %int_0: %Enum = int_value 0 [concrete]
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// CHECK:STDOUT: %int_1: %Enum = int_value 1 [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
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// CHECK:STDOUT: .Enum = %Enum.decl
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// CHECK:STDOUT: .b = %int_1
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// CHECK:STDOUT: import Cpp//...
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Enum.decl: type = class_decl @Enum [concrete = constants.%Enum] {} {}
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// CHECK:STDOUT: %int_0: %Enum = int_value 0 [concrete = constants.%int_0]
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// CHECK:STDOUT: %int_1: %Enum = int_value 1 [concrete = constants.%int_1]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: name_binding_decl {
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// CHECK:STDOUT: %a.patt: %pattern_type = value_binding_pattern a [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Cpp.ref.loc8_21: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Enum.ref.loc8_24: type = name_ref Enum, imports.%Enum.decl [concrete = constants.%Enum]
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// CHECK:STDOUT: %a.ref: %Enum = name_ref a, imports.%int_0 [concrete = constants.%int_0]
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// CHECK:STDOUT: %.loc8: type = splice_block %Enum.ref.loc8_13 [concrete = constants.%Enum] {
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// CHECK:STDOUT: %Cpp.ref.loc8_10: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Enum.ref.loc8_13: type = name_ref Enum, imports.%Enum.decl [concrete = constants.%Enum]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %a: %Enum = value_binding a, %a.ref
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// CHECK:STDOUT: name_binding_decl {
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// CHECK:STDOUT: %b.patt: %pattern_type = value_binding_pattern b [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Cpp.ref.loc9_21: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %b.ref: %Enum = name_ref b, imports.%int_1 [concrete = constants.%int_1]
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// CHECK:STDOUT: %.loc9: type = splice_block %Enum.ref.loc9 [concrete = constants.%Enum] {
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// CHECK:STDOUT: %Cpp.ref.loc9_10: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Enum.ref.loc9: type = name_ref Enum, imports.%Enum.decl [concrete = constants.%Enum]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %b: %Enum = value_binding b, %b.ref
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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