mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-25 19:10:12 +01:00
Geoff RomerandRichard Smith
e023f75254
The bulk of this change is changing most pattern insts to be `Always` rather than `AlwaysUnique` constants, so that they can be wrapped in `SpecificConstant`s to perform substitution. That then lets thunking rely much more on `SpecificConstant` wrappers instead of deep-copying the inst tree with modified types. This approach to thunking should scale better, particularly as things like form generics make function signatures more complex, because we can leverage the existing support for constant evaluation and substitution. Unfortunately, applying this approach to binding patterns will require more work; see the TODO near the top of `thunk.cpp` for details. --------- Co-authored-by: Richard Smith <richard@metafoo.co.uk>
143 lines
7.6 KiB
Plaintext
143 lines
7.6 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/uint.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/using.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/using.carbon
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// --- enum.h
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enum class Color {Red, Blue, Green};
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using enum Color;
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class Zoo {
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public:
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enum class Animal { Cat, Dog, Horse };
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};
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using enum Zoo::Animal;
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// --- import_enum.carbon
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library "[[@TEST_NAME]]";
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// CHECK:STDERR: import_enum.carbon:[[@LINE+10]]:10: in file included here [InCppInclude]
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// CHECK:STDERR: ./enum.h:5:7: warning: using enum declaration is a C++20 extension [CppInteropParseWarning]
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// CHECK:STDERR: 5 | using enum Color;
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// CHECK:STDERR: | ^
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// CHECK:STDERR:
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// CHECK:STDERR: import_enum.carbon:[[@LINE+5]]:10: in file included here [InCppInclude]
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// CHECK:STDERR: ./enum.h:12:7: warning: using enum declaration is a C++20 extension [CppInteropParseWarning]
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// CHECK:STDERR: 12 | using enum Zoo::Animal;
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// CHECK:STDERR: | ^
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// CHECK:STDERR:
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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 unused col : Cpp.Color = Cpp.Color.Red;
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let unused colb : Cpp.Color = Cpp.Blue;
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let unused pet : Cpp.Zoo.Animal = Cpp.Zoo.Animal.Cat;
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let unused pet2 : Cpp.Zoo.Animal = Cpp.Dog;
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}
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//@dump-sem-ir-end
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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: %Color: type = class_type @Color [concrete]
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// CHECK:STDOUT: %pattern_type.732: type = pattern_type %Color [concrete]
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// CHECK:STDOUT: %col.patt: %pattern_type.732 = value_binding_pattern col [concrete]
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// CHECK:STDOUT: %int_0.59e: %Color = int_value 0 [concrete]
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// CHECK:STDOUT: %colb.patt: %pattern_type.732 = value_binding_pattern colb [concrete]
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// CHECK:STDOUT: %int_1.b76: %Color = int_value 1 [concrete]
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// CHECK:STDOUT: %Zoo: type = class_type @Zoo [concrete]
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// CHECK:STDOUT: %Animal: type = class_type @Animal [concrete]
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// CHECK:STDOUT: %pattern_type.8cd: type = pattern_type %Animal [concrete]
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// CHECK:STDOUT: %pet.patt: %pattern_type.8cd = value_binding_pattern pet [concrete]
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// CHECK:STDOUT: %int_0.648: %Animal = int_value 0 [concrete]
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// CHECK:STDOUT: %pet2.patt: %pattern_type.8cd = value_binding_pattern pet2 [concrete]
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// CHECK:STDOUT: %int_1.e7b: %Animal = 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: .Color = %Color.decl
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// CHECK:STDOUT: .Blue = %int_1.b76
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// CHECK:STDOUT: .Zoo = %Zoo.decl
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// CHECK:STDOUT: .Dog = %int_1.e7b
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// CHECK:STDOUT: import Cpp//...
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Color.decl: type = class_decl @Color [concrete = constants.%Color] {} {}
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// CHECK:STDOUT: %int_0.59e: %Color = int_value 0 [concrete = constants.%int_0.59e]
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// CHECK:STDOUT: %int_1.b76: %Color = int_value 1 [concrete = constants.%int_1.b76]
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// CHECK:STDOUT: %Zoo.decl: type = class_decl @Zoo [concrete = constants.%Zoo] {} {}
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// CHECK:STDOUT: %Animal.decl: type = class_decl @Animal [concrete = constants.%Animal] {} {}
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// CHECK:STDOUT: %int_0.648: %Animal = int_value 0 [concrete = constants.%int_0.648]
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// CHECK:STDOUT: %int_1.e7b: %Animal = int_value 1 [concrete = constants.%int_1.e7b]
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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: %col.patt: %pattern_type.732 = value_binding_pattern col [concrete = constants.%col.patt]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Cpp.ref.loc18_32: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Color.ref.loc18_35: type = name_ref Color, imports.%Color.decl [concrete = constants.%Color]
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// CHECK:STDOUT: %Red.ref: %Color = name_ref Red, imports.%int_0.59e [concrete = constants.%int_0.59e]
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// CHECK:STDOUT: %.loc18: type = splice_block %Color.ref.loc18_23 [concrete = constants.%Color] {
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// CHECK:STDOUT: %Cpp.ref.loc18_20: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Color.ref.loc18_23: type = name_ref Color, imports.%Color.decl [concrete = constants.%Color]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %col: %Color = value_binding col, %Red.ref
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// CHECK:STDOUT: name_binding_decl {
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// CHECK:STDOUT: %colb.patt: %pattern_type.732 = value_binding_pattern colb [concrete = constants.%colb.patt]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Cpp.ref.loc19_33: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Blue.ref: %Color = name_ref Blue, imports.%int_1.b76 [concrete = constants.%int_1.b76]
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// CHECK:STDOUT: %.loc19: type = splice_block %Color.ref.loc19 [concrete = constants.%Color] {
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// CHECK:STDOUT: %Cpp.ref.loc19_21: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Color.ref.loc19: type = name_ref Color, imports.%Color.decl [concrete = constants.%Color]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %colb: %Color = value_binding colb, %Blue.ref
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// CHECK:STDOUT: name_binding_decl {
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// CHECK:STDOUT: %pet.patt: %pattern_type.8cd = value_binding_pattern pet [concrete = constants.%pet.patt]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Cpp.ref.loc20_37: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Zoo.ref.loc20_40: type = name_ref Zoo, imports.%Zoo.decl [concrete = constants.%Zoo]
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// CHECK:STDOUT: %Animal.ref.loc20_44: type = name_ref Animal, imports.%Animal.decl [concrete = constants.%Animal]
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// CHECK:STDOUT: %Cat.ref: %Animal = name_ref Cat, imports.%int_0.648 [concrete = constants.%int_0.648]
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// CHECK:STDOUT: %.loc20: type = splice_block %Animal.ref.loc20_27 [concrete = constants.%Animal] {
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// CHECK:STDOUT: %Cpp.ref.loc20_20: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Zoo.ref.loc20_23: type = name_ref Zoo, imports.%Zoo.decl [concrete = constants.%Zoo]
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// CHECK:STDOUT: %Animal.ref.loc20_27: type = name_ref Animal, imports.%Animal.decl [concrete = constants.%Animal]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %pet: %Animal = value_binding pet, %Cat.ref
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// CHECK:STDOUT: name_binding_decl {
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// CHECK:STDOUT: %pet2.patt: %pattern_type.8cd = value_binding_pattern pet2 [concrete = constants.%pet2.patt]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Cpp.ref.loc21_38: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Dog.ref: %Animal = name_ref Dog, imports.%int_1.e7b [concrete = constants.%int_1.e7b]
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// CHECK:STDOUT: %.loc21: type = splice_block %Animal.ref.loc21 [concrete = constants.%Animal] {
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// CHECK:STDOUT: %Cpp.ref.loc21_21: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Zoo.ref.loc21: type = name_ref Zoo, imports.%Zoo.decl [concrete = constants.%Zoo]
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// CHECK:STDOUT: %Animal.ref.loc21: type = name_ref Animal, imports.%Animal.decl [concrete = constants.%Animal]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %pet2: %Animal = value_binding pet2, %Dog.ref
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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