C++ Interop: Basic C++ record (class/struct/union) import support (#5156)

Focus: Calling static C++ function defined in C++ classes.

Limitations:
* Ignores visibility (public / protected / private).
* No support for: dynamic classes, member methods, data members,
declarations without definitions, importing inheritance.

Based on #5142.

C++ Interop Demo with a class:

```c++
// hello_world.h

namespace some_namespace {

class MyClass {
 public:
  static void hello_world();
};

}  // namespace some_namespace
```

```c++
// hello_world.cpp

#include "hello_world.h"

#include <cstdio>

namespace some_namespace {

void MyClass::hello_world() { printf("Hello World!\n"); }

}  // namespace some_namespace
```

```carbon
// main.carbon

library "Main";

import Cpp library "hello_world.h";

fn Run() -> i32 {
  Cpp.some_namespace.MyClass.hello_world();
  return 0;
}
```

```shell
$ clang -c hello_world.cpp
$ bazel-bin/toolchain/carbon compile main.carbon
$ bazel-bin/toolchain/carbon link hello_world.o main.o --output=demo
$ ./demo
Hello World!
```

Part of #5150.
This commit is contained in:
Boaz Brickner
2025-04-10 08:15:12 +00:00
committed by GitHub
parent a91752de60
commit 68111a994c
9 changed files with 3441 additions and 244 deletions
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,759 @@
// 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
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/no_prelude/union.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/no_prelude/union.carbon
// --- union_declaration.h
union Bar;
// --- fail_import_union_declaration.carbon
library "[[@TEST_NAME]]";
import Cpp library "union_declaration.h";
// CHECK:STDERR: fail_import_union_declaration.carbon:[[@LINE+7]]:13: error: semantics TODO: `Unsupported: Record declarations without a definition` [SemanticsTodo]
// CHECK:STDERR: fn MyF(bar: Cpp.Bar*);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_import_union_declaration.carbon:[[@LINE+4]]:13: note: in `Cpp` name lookup for `Bar` [InCppNameLookup]
// CHECK:STDERR: fn MyF(bar: Cpp.Bar*);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
fn MyF(bar: Cpp.Bar*);
// --- union_definition.h
union Bar {};
// --- import_union_definition.carbon
library "[[@TEST_NAME]]";
import Cpp library "union_definition.h";
fn MyF(bar: Cpp.Bar*);
// --- union_declaration_and_definition.h
union Bar;
union Bar {};
// --- import_union_declaration_and_definition.carbon
library "[[@TEST_NAME]]";
import Cpp library "union_declaration_and_definition.h";
fn MyF(bar: Cpp.Bar*);
// --- union_public_static_member_function.h
union Bar {
public:
static auto foo() -> void;
};
// --- import_union_public_static_member_function.carbon
library "[[@TEST_NAME]]";
import Cpp library "union_public_static_member_function.h";
fn MyF() {
Cpp.Bar.foo();
}
// --- union_private_static_member_function.h
union Bar {
private:
static auto foo() -> void;
};
// --- todo_fail_import_union_private_static_member_function.carbon
library "[[@TEST_NAME]]";
import Cpp library "union_private_static_member_function.h";
fn MyF() {
Cpp.Bar.foo();
}
// --- union_public_member_function.h
union Bar {
public:
auto foo() -> void;
};
// --- fail_import_union_public_member_function.carbon
library "[[@TEST_NAME]]";
import Cpp library "union_public_member_function.h";
fn MyF(bar : Cpp.Bar*) {
// CHECK:STDERR: fail_import_union_public_member_function.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: Non-global function` [SemanticsTodo]
// CHECK:STDERR: bar->foo();
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR: fail_import_union_public_member_function.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: bar->foo();
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR:
bar->foo();
}
// --- union_public_static_data_member.h
union Bar {
public:
static Bar* foo;
};
// --- fail_import_union_public_static_data_member.carbon
library "[[@TEST_NAME]]";
import Cpp library "union_public_static_data_member.h";
fn MyF() {
// CHECK:STDERR: fail_import_union_public_static_data_member.carbon:[[@LINE+11]]:23: error: semantics TODO: `Unsupported: Declaration type Var` [SemanticsTodo]
// CHECK:STDERR: let bar: Cpp.Bar* = Cpp.Bar.foo();
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR: fail_import_union_public_static_data_member.carbon:[[@LINE+8]]:23: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: let bar: Cpp.Bar* = Cpp.Bar.foo();
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_import_union_public_static_data_member.carbon:[[@LINE+4]]:23: error: member name `foo` not found in `Cpp.Bar` [MemberNameNotFoundInInstScope]
// CHECK:STDERR: let bar: Cpp.Bar* = Cpp.Bar.foo();
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR:
let bar: Cpp.Bar* = Cpp.Bar.foo();
}
// --- union_public_data_member.h
union Bar {
public:
Bar* foo;
};
// --- fail_import_union_public_data_member.carbon
library "[[@TEST_NAME]]";
import Cpp library "union_public_static_data_member.h";
fn MyF(bar : Cpp.Bar*) {
// CHECK:STDERR: fail_import_union_public_data_member.carbon:[[@LINE+11]]:27: error: semantics TODO: `Unsupported: Declaration type Var` [SemanticsTodo]
// CHECK:STDERR: let foo_bar: Cpp.Bar* = bar->foo;
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR: fail_import_union_public_data_member.carbon:[[@LINE+8]]:27: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: let foo_bar: Cpp.Bar* = bar->foo;
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_import_union_public_data_member.carbon:[[@LINE+4]]:27: error: member name `foo` not found in `Cpp.Bar` [MemberNameNotFoundInInstScope]
// CHECK:STDERR: let foo_bar: Cpp.Bar* = bar->foo;
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR:
let foo_bar: Cpp.Bar* = bar->foo;
}
// --- union_to_inherit_public.h
union Bar {
public:
static auto foo() -> void;
};
// --- todo_fail_import_union_to_inherit_public.carbon
library "[[@TEST_NAME]]";
import Cpp library "union_to_inherit_public.h";
class Derived {
extend base: Cpp.Bar;
}
fn MyF() {
Derived.foo();
}
// --- union_template.h
template<typename T>
union Bar {};
// --- fail_import_union_template.carbon
library "[[@TEST_NAME]]";
import Cpp library "union_template.h";
// CHECK:STDERR: fail_import_union_template.carbon:[[@LINE+11]]:13: error: semantics TODO: `Unsupported: Declaration type ClassTemplate` [SemanticsTodo]
// CHECK:STDERR: fn MyF(bar: Cpp.Bar*);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_import_union_template.carbon:[[@LINE+8]]:13: note: in `Cpp` name lookup for `Bar` [InCppNameLookup]
// CHECK:STDERR: fn MyF(bar: Cpp.Bar*);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_import_union_template.carbon:[[@LINE+4]]:13: error: member name `Bar` not found in `Cpp` [MemberNameNotFoundInInstScope]
// CHECK:STDERR: fn MyF(bar: Cpp.Bar*);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
fn MyF(bar: Cpp.Bar*);
// CHECK:STDOUT: --- fail_import_union_declaration.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %MyF.type: type = fn_type @MyF [concrete]
// CHECK:STDOUT: %MyF: %MyF.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .Bar = <error>
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Cpp = imports.%Cpp
// CHECK:STDOUT: .MyF = %MyF.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT: import Cpp "union_declaration.h"
// CHECK:STDOUT: }
// CHECK:STDOUT: %MyF.decl: %MyF.type = fn_decl @MyF [concrete = constants.%MyF] {
// CHECK:STDOUT: %bar.patt: <error> = binding_pattern bar
// CHECK:STDOUT: %bar.param_patt: <error> = value_param_pattern %bar.patt, call_param0 [concrete = <error>]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %bar.param: <error> = value_param call_param0
// CHECK:STDOUT: %.loc13: type = splice_block %ptr [concrete = <error>] {
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Bar.ref: <error> = name_ref Bar, <error> [concrete = <error>]
// CHECK:STDOUT: %ptr: type = ptr_type <error> [concrete = <error>]
// CHECK:STDOUT: }
// CHECK:STDOUT: %bar: <error> = bind_name bar, %bar.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF(%bar.param_patt: <error>);
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_union_definition.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Bar: type = class_type @Bar [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %ptr: type = ptr_type %Bar [concrete]
// CHECK:STDOUT: %MyF.type: type = fn_type @MyF [concrete]
// CHECK:STDOUT: %MyF: %MyF.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .Bar = @MyF.%Bar.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Cpp = imports.%Cpp
// CHECK:STDOUT: .MyF = %MyF.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT: import Cpp "union_definition.h"
// CHECK:STDOUT: }
// CHECK:STDOUT: %MyF.decl: %MyF.type = fn_decl @MyF [concrete = constants.%MyF] {
// CHECK:STDOUT: %bar.patt: %ptr = binding_pattern bar
// CHECK:STDOUT: %bar.param_patt: %ptr = value_param_pattern %bar.patt, call_param0
// CHECK:STDOUT: } {
// CHECK:STDOUT: %bar.param: %ptr = value_param call_param0
// CHECK:STDOUT: %.loc6: type = splice_block %ptr [concrete = constants.%ptr] {
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Bar.decl: type = class_decl @Bar [concrete = constants.%Bar] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: %Bar.ref: type = name_ref Bar, %Bar.decl [concrete = constants.%Bar]
// CHECK:STDOUT: %ptr: type = ptr_type %Bar.ref [concrete = constants.%ptr]
// CHECK:STDOUT: }
// CHECK:STDOUT: %bar: %ptr = bind_name bar, %bar.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Bar {
// CHECK:STDOUT: complete_type_witness = @MyF.%complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Bar
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF(%bar.param_patt: %ptr);
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_union_declaration_and_definition.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Bar: type = class_type @Bar [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %ptr: type = ptr_type %Bar [concrete]
// CHECK:STDOUT: %MyF.type: type = fn_type @MyF [concrete]
// CHECK:STDOUT: %MyF: %MyF.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .Bar = @MyF.%Bar.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Cpp = imports.%Cpp
// CHECK:STDOUT: .MyF = %MyF.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT: import Cpp "union_declaration_and_definition.h"
// CHECK:STDOUT: }
// CHECK:STDOUT: %MyF.decl: %MyF.type = fn_decl @MyF [concrete = constants.%MyF] {
// CHECK:STDOUT: %bar.patt: %ptr = binding_pattern bar
// CHECK:STDOUT: %bar.param_patt: %ptr = value_param_pattern %bar.patt, call_param0
// CHECK:STDOUT: } {
// CHECK:STDOUT: %bar.param: %ptr = value_param call_param0
// CHECK:STDOUT: %.loc6: type = splice_block %ptr [concrete = constants.%ptr] {
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Bar.decl: type = class_decl @Bar [concrete = constants.%Bar] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: %Bar.ref: type = name_ref Bar, %Bar.decl [concrete = constants.%Bar]
// CHECK:STDOUT: %ptr: type = ptr_type %Bar.ref [concrete = constants.%ptr]
// CHECK:STDOUT: }
// CHECK:STDOUT: %bar: %ptr = bind_name bar, %bar.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Bar {
// CHECK:STDOUT: complete_type_witness = @MyF.%complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Bar
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF(%bar.param_patt: %ptr);
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_union_public_static_member_function.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %MyF.type: type = fn_type @MyF [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %MyF: %MyF.type = struct_value () [concrete]
// CHECK:STDOUT: %Bar: type = class_type @Bar [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .Bar = @MyF.%Bar.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Cpp = imports.%Cpp
// CHECK:STDOUT: .MyF = %MyF.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT: import Cpp "union_public_static_member_function.h"
// CHECK:STDOUT: }
// CHECK:STDOUT: %MyF.decl: %MyF.type = fn_decl @MyF [concrete = constants.%MyF] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Bar {
// CHECK:STDOUT: complete_type_witness = @MyF.%complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Bar
// CHECK:STDOUT: .foo = @MyF.%foo.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Bar.decl: type = class_decl @Bar [concrete = constants.%Bar] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: %Bar.ref: type = name_ref Bar, %Bar.decl [concrete = constants.%Bar]
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {} {}
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, %foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref()
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @foo[]();
// CHECK:STDOUT:
// CHECK:STDOUT: --- todo_fail_import_union_private_static_member_function.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %MyF.type: type = fn_type @MyF [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %MyF: %MyF.type = struct_value () [concrete]
// CHECK:STDOUT: %Bar: type = class_type @Bar [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .Bar = @MyF.%Bar.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Cpp = imports.%Cpp
// CHECK:STDOUT: .MyF = %MyF.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT: import Cpp "union_private_static_member_function.h"
// CHECK:STDOUT: }
// CHECK:STDOUT: %MyF.decl: %MyF.type = fn_decl @MyF [concrete = constants.%MyF] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Bar {
// CHECK:STDOUT: complete_type_witness = @MyF.%complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Bar
// CHECK:STDOUT: .foo = @MyF.%foo.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Bar.decl: type = class_decl @Bar [concrete = constants.%Bar] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: %Bar.ref: type = name_ref Bar, %Bar.decl [concrete = constants.%Bar]
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {} {}
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, %foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref()
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @foo[]();
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_import_union_public_member_function.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Bar: type = class_type @Bar [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %ptr.f68: type = ptr_type %Bar [concrete]
// CHECK:STDOUT: %MyF.type: type = fn_type @MyF [concrete]
// CHECK:STDOUT: %MyF: %MyF.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .Bar = @MyF.%Bar.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Cpp = imports.%Cpp
// CHECK:STDOUT: .MyF = %MyF.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT: import Cpp "union_public_member_function.h"
// CHECK:STDOUT: }
// CHECK:STDOUT: %MyF.decl: %MyF.type = fn_decl @MyF [concrete = constants.%MyF] {
// CHECK:STDOUT: %bar.patt: %ptr.f68 = binding_pattern bar
// CHECK:STDOUT: %bar.param_patt: %ptr.f68 = value_param_pattern %bar.patt, call_param0
// CHECK:STDOUT: } {
// CHECK:STDOUT: %bar.param: %ptr.f68 = value_param call_param0
// CHECK:STDOUT: %.loc6: type = splice_block %ptr [concrete = constants.%ptr.f68] {
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Bar.decl: type = class_decl @Bar [concrete = constants.%Bar] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: %Bar.ref: type = name_ref Bar, %Bar.decl [concrete = constants.%Bar]
// CHECK:STDOUT: %ptr: type = ptr_type %Bar.ref [concrete = constants.%ptr.f68]
// CHECK:STDOUT: }
// CHECK:STDOUT: %bar: %ptr.f68 = bind_name bar, %bar.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Bar {
// CHECK:STDOUT: complete_type_witness = @MyF.%complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Bar
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF(%bar.param_patt: %ptr.f68) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %bar.ref: %ptr.f68 = name_ref bar, %bar
// CHECK:STDOUT: %.loc14: ref %Bar = deref %bar.ref
// CHECK:STDOUT: %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_import_union_public_static_data_member.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %MyF.type: type = fn_type @MyF [concrete]
// CHECK:STDOUT: %MyF: %MyF.type = struct_value () [concrete]
// CHECK:STDOUT: %Bar: type = class_type @Bar [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %ptr.f68: type = ptr_type %Bar [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .Bar = @MyF.%Bar.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Cpp = imports.%Cpp
// CHECK:STDOUT: .MyF = %MyF.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT: import Cpp "union_public_static_data_member.h"
// CHECK:STDOUT: }
// CHECK:STDOUT: %MyF.decl: %MyF.type = fn_decl @MyF [concrete = constants.%MyF] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Bar {
// CHECK:STDOUT: complete_type_witness = @MyF.%complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Bar
// CHECK:STDOUT: .foo = <poisoned>
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %bar.patt: %ptr.f68 = binding_pattern bar
// CHECK:STDOUT: }
// CHECK:STDOUT: %Cpp.ref.loc18_23: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Bar.ref.loc18_26: type = name_ref Bar, %Bar.decl [concrete = constants.%Bar]
// CHECK:STDOUT: %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc18: type = splice_block %ptr [concrete = constants.%ptr.f68] {
// CHECK:STDOUT: %Cpp.ref.loc18_12: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Bar.decl: type = class_decl @Bar [concrete = constants.%Bar] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: %Bar.ref.loc18_15: type = name_ref Bar, %Bar.decl [concrete = constants.%Bar]
// CHECK:STDOUT: %ptr: type = ptr_type %Bar.ref.loc18_15 [concrete = constants.%ptr.f68]
// CHECK:STDOUT: }
// CHECK:STDOUT: %bar: %ptr.f68 = bind_name bar, <error>
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_import_union_public_data_member.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Bar: type = class_type @Bar [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %ptr.f68: type = ptr_type %Bar [concrete]
// CHECK:STDOUT: %MyF.type: type = fn_type @MyF [concrete]
// CHECK:STDOUT: %MyF: %MyF.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .Bar = @MyF.%Bar.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Cpp = imports.%Cpp
// CHECK:STDOUT: .MyF = %MyF.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT: import Cpp "union_public_static_data_member.h"
// CHECK:STDOUT: }
// CHECK:STDOUT: %MyF.decl: %MyF.type = fn_decl @MyF [concrete = constants.%MyF] {
// CHECK:STDOUT: %bar.patt: %ptr.f68 = binding_pattern bar
// CHECK:STDOUT: %bar.param_patt: %ptr.f68 = value_param_pattern %bar.patt, call_param0
// CHECK:STDOUT: } {
// CHECK:STDOUT: %bar.param: %ptr.f68 = value_param call_param0
// CHECK:STDOUT: %.loc6: type = splice_block %ptr.loc6 [concrete = constants.%ptr.f68] {
// CHECK:STDOUT: %Cpp.ref.loc6: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Bar.decl: type = class_decl @Bar [concrete = constants.%Bar] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: %Bar.ref.loc6: type = name_ref Bar, %Bar.decl [concrete = constants.%Bar]
// CHECK:STDOUT: %ptr.loc6: type = ptr_type %Bar.ref.loc6 [concrete = constants.%ptr.f68]
// CHECK:STDOUT: }
// CHECK:STDOUT: %bar: %ptr.f68 = bind_name bar, %bar.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Bar {
// CHECK:STDOUT: complete_type_witness = @MyF.%complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Bar
// CHECK:STDOUT: .foo = <poisoned>
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF(%bar.param_patt: %ptr.f68) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %foo_bar.patt: %ptr.f68 = binding_pattern foo_bar
// CHECK:STDOUT: }
// CHECK:STDOUT: %bar.ref: %ptr.f68 = name_ref bar, %bar
// CHECK:STDOUT: %.loc18_30: ref %Bar = deref %bar.ref
// CHECK:STDOUT: %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc18_23: type = splice_block %ptr.loc18 [concrete = constants.%ptr.f68] {
// CHECK:STDOUT: %Cpp.ref.loc18: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Bar.ref.loc18: type = name_ref Bar, %Bar.decl [concrete = constants.%Bar]
// CHECK:STDOUT: %ptr.loc18: type = ptr_type %Bar.ref.loc18 [concrete = constants.%ptr.f68]
// CHECK:STDOUT: }
// CHECK:STDOUT: %foo_bar: %ptr.f68 = bind_name foo_bar, <error>
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- todo_fail_import_union_to_inherit_public.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Derived: type = class_type @Derived [concrete]
// CHECK:STDOUT: %Bar: type = class_type @Bar [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type.357: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %Derived.elem: type = unbound_element_type %Derived, %Bar [concrete]
// CHECK:STDOUT: %struct_type.base.36d: type = struct_type {.base: %Bar} [concrete]
// CHECK:STDOUT: %complete_type.fff: <witness> = complete_type_witness %struct_type.base.36d [concrete]
// CHECK:STDOUT: %MyF.type: type = fn_type @MyF [concrete]
// CHECK:STDOUT: %MyF: %MyF.type = struct_value () [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .Bar = @Derived.%Bar.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Cpp = imports.%Cpp
// CHECK:STDOUT: .Derived = %Derived.decl
// CHECK:STDOUT: .MyF = %MyF.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT: import Cpp "union_to_inherit_public.h"
// CHECK:STDOUT: }
// CHECK:STDOUT: %Derived.decl: type = class_decl @Derived [concrete = constants.%Derived] {} {}
// CHECK:STDOUT: %MyF.decl: %MyF.type = fn_decl @MyF [concrete = constants.%MyF] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Derived {
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Bar.decl: type = class_decl @Bar [concrete = constants.%Bar] {} {}
// CHECK:STDOUT: %complete_type.1: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type.357]
// CHECK:STDOUT: %Bar.ref: type = name_ref Bar, %Bar.decl [concrete = constants.%Bar]
// CHECK:STDOUT: %.loc7: %Derived.elem = base_decl %Bar.ref, element0 [concrete]
// CHECK:STDOUT: %complete_type.loc8: <witness> = complete_type_witness %struct_type.base.36d [concrete = constants.%complete_type.fff]
// CHECK:STDOUT: complete_type_witness = %complete_type.loc8
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Derived
// CHECK:STDOUT: .Cpp = <poisoned>
// CHECK:STDOUT: .base = %.loc7
// CHECK:STDOUT: .foo = <poisoned>
// CHECK:STDOUT: extend %Bar.ref
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Bar {
// CHECK:STDOUT: complete_type_witness = @Derived.%complete_type.1
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Bar
// CHECK:STDOUT: .foo = @MyF.%foo.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Derived.ref: type = name_ref Derived, file.%Derived.decl [concrete = constants.%Derived]
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {} {}
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, %foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref()
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @foo[]();
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_import_union_template.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %MyF.type: type = fn_type @MyF [concrete]
// CHECK:STDOUT: %MyF: %MyF.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .Bar = <poisoned>
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Cpp = imports.%Cpp
// CHECK:STDOUT: .MyF = %MyF.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT: import Cpp "union_template.h"
// CHECK:STDOUT: }
// CHECK:STDOUT: %MyF.decl: %MyF.type = fn_decl @MyF [concrete = constants.%MyF] {
// CHECK:STDOUT: %bar.patt: <error> = binding_pattern bar
// CHECK:STDOUT: %bar.param_patt: <error> = value_param_pattern %bar.patt, call_param0 [concrete = <error>]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %bar.param: <error> = value_param call_param0
// CHECK:STDOUT: %.loc17: type = splice_block %ptr [concrete = <error>] {
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Bar.ref: <error> = name_ref Bar, <error> [concrete = <error>]
// CHECK:STDOUT: %ptr: type = ptr_type <error> [concrete = <error>]
// CHECK:STDOUT: }
// CHECK:STDOUT: %bar: <error> = bind_name bar, %bar.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF(%bar.param_patt: <error>);
// CHECK:STDOUT:
@@ -10,7 +10,7 @@
// --- unsupported_decl.h
class foo;
typedef int foo;
// --- fail_import_unsupported_decl.carbon
@@ -19,7 +19,7 @@ library "[[@TEST_NAME]]";
import Cpp library "unsupported_decl.h";
fn F() {
// CHECK:STDERR: fail_import_unsupported_decl.carbon:[[@LINE+11]]:3: error: semantics TODO: `Unsupported: Declaration type CXXRecord` [SemanticsTodo]
// CHECK:STDERR: fail_import_unsupported_decl.carbon:[[@LINE+11]]:3: error: semantics TODO: `Unsupported: Declaration type Typedef` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_import_unsupported_decl.carbon:[[@LINE+8]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]