mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
Boaz Brickner
a269c72e48
See https://en.cppreference.com/w/cpp/language/variadic_arguments.html. Part of #5436.
277 lines
9.3 KiB
Plaintext
277 lines
9.3 KiB
Plaintext
// 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/none.carbon
|
|
//
|
|
// AUTOUPDATE
|
|
// TIP: To test this file alone, run:
|
|
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/function/function.carbon
|
|
// TIP: To dump output, run:
|
|
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/function/function.carbon
|
|
|
|
// ============================================================================
|
|
// Global
|
|
// ============================================================================
|
|
|
|
// --- global.h
|
|
|
|
auto foo() -> void;
|
|
|
|
// --- import_global.carbon
|
|
|
|
library "[[@TEST_NAME]]";
|
|
|
|
import Cpp library "global.h";
|
|
|
|
fn MyF() {
|
|
//@dump-sem-ir-begin
|
|
Cpp.foo();
|
|
//@dump-sem-ir-end
|
|
}
|
|
|
|
// --- fail_import_global_use_different_name.carbon
|
|
|
|
library "[[@TEST_NAME]]";
|
|
|
|
import Cpp library "global.h";
|
|
|
|
fn MyF() {
|
|
// CHECK:STDERR: fail_import_global_use_different_name.carbon:[[@LINE+4]]:3: error: member name `bar` not found in `Cpp` [MemberNameNotFoundInInstScope]
|
|
// CHECK:STDERR: Cpp.bar();
|
|
// CHECK:STDERR: ^~~~~~~
|
|
// CHECK:STDERR:
|
|
Cpp.bar();
|
|
}
|
|
|
|
// ============================================================================
|
|
// Carbon keyword name
|
|
// ============================================================================
|
|
|
|
// --- special_name.h
|
|
|
|
auto base() -> void;
|
|
|
|
// --- fail_import_special_name_call_unescaped.carbon
|
|
|
|
library "[[@TEST_NAME]]";
|
|
|
|
import Cpp library "special_name.h";
|
|
|
|
fn MyF() {
|
|
// CHECK:STDERR: fail_import_special_name_call_unescaped.carbon:[[@LINE+4]]:3: error: member name `base` not found in `Cpp` [MemberNameNotFoundInInstScope]
|
|
// CHECK:STDERR: Cpp.base();
|
|
// CHECK:STDERR: ^~~~~~~~
|
|
// CHECK:STDERR:
|
|
Cpp.base();
|
|
}
|
|
|
|
// --- import_special_name_call_escaped.carbon
|
|
|
|
library "[[@TEST_NAME]]";
|
|
|
|
import Cpp library "special_name.h";
|
|
|
|
fn MyF() {
|
|
//@dump-sem-ir-begin
|
|
Cpp.r#base();
|
|
//@dump-sem-ir-end
|
|
}
|
|
|
|
// ============================================================================
|
|
// Overloaded
|
|
// ============================================================================
|
|
|
|
// --- overloaded.h
|
|
|
|
auto foo() -> void;
|
|
auto foo(int value) -> void;
|
|
|
|
// --- fail_todo_import_overloaded.carbon
|
|
|
|
library "[[@TEST_NAME]]";
|
|
|
|
import Cpp library "overloaded.h";
|
|
|
|
fn F() {
|
|
//@dump-sem-ir-begin
|
|
// CHECK:STDERR: fail_todo_import_overloaded.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: Lookup succeeded but couldn't find a single result; LookupResultKind: 3` [SemanticsTodo]
|
|
// CHECK:STDERR: Cpp.foo();
|
|
// CHECK:STDERR: ^~~~~~~
|
|
// CHECK:STDERR: fail_todo_import_overloaded.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
|
|
// CHECK:STDERR: Cpp.foo();
|
|
// CHECK:STDERR: ^~~~~~~
|
|
// CHECK:STDERR:
|
|
Cpp.foo();
|
|
//@dump-sem-ir-end
|
|
}
|
|
|
|
// ============================================================================
|
|
// Variadic arguments
|
|
// ============================================================================
|
|
|
|
// --- variadic.h
|
|
|
|
auto foo(int x, ...) -> void;
|
|
|
|
// --- fail_todo_import_variadic.carbon
|
|
|
|
library "[[@TEST_NAME]]";
|
|
|
|
import Cpp library "variadic.h";
|
|
|
|
fn F() {
|
|
//@dump-sem-ir-begin
|
|
// CHECK:STDERR: fail_todo_import_variadic.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: Variadic function` [SemanticsTodo]
|
|
// CHECK:STDERR: Cpp.foo(8);
|
|
// CHECK:STDERR: ^~~~~~~
|
|
// CHECK:STDERR: fail_todo_import_variadic.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
|
|
// CHECK:STDERR: Cpp.foo(8);
|
|
// CHECK:STDERR: ^~~~~~~
|
|
// CHECK:STDERR:
|
|
Cpp.foo(8);
|
|
//@dump-sem-ir-end
|
|
}
|
|
|
|
// ============================================================================
|
|
// Static
|
|
// ============================================================================
|
|
|
|
// --- static.h
|
|
|
|
static auto foo() -> void;
|
|
|
|
// --- import_static.carbon
|
|
|
|
library "[[@TEST_NAME]]";
|
|
|
|
import Cpp library "static.h";
|
|
|
|
fn F() {
|
|
//@dump-sem-ir-begin
|
|
// TODO: We should eventually warn or error that `Cpp.foo` has internal
|
|
// linkage but is not defined.
|
|
Cpp.foo();
|
|
//@dump-sem-ir-end
|
|
}
|
|
|
|
// TODO: Test that template functions are unsupported.
|
|
// This is not tested because template functions are not considered a single result when doing lookup.
|
|
|
|
// TODO: Add a test per unsupported param type. See https://github.com/carbon-language/carbon-lang/pull/5477/files/4321e21ed27d987fd71be182d292973fd9849df8#r2094655176
|
|
|
|
// TODO: Add a test per unsupported return type. See https://github.com/carbon-language/carbon-lang/pull/5477/files/4321e21ed27d987fd71be182d292973fd9849df8#r2094655176
|
|
|
|
// CHECK:STDOUT: --- import_global.carbon
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: constants {
|
|
// CHECK:STDOUT: %empty_tuple.type: type = tuple_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: .foo = %foo.decl
|
|
// CHECK:STDOUT: import Cpp//...
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {} {}
|
|
// 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: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
|
|
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref()
|
|
// CHECK:STDOUT: <elided>
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: --- import_special_name_call_escaped.carbon
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: constants {
|
|
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
|
|
// CHECK:STDOUT: %base.type: type = fn_type @base [concrete]
|
|
// CHECK:STDOUT: %base: %base.type = struct_value () [concrete]
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: imports {
|
|
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
|
|
// CHECK:STDOUT: .r#base = %base.decl
|
|
// CHECK:STDOUT: import Cpp//...
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %base.decl: %base.type = fn_decl @base [concrete = constants.%base] {} {}
|
|
// 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: %base.ref: %base.type = name_ref r#base, imports.%base.decl [concrete = constants.%base]
|
|
// CHECK:STDOUT: %base.call: init %empty_tuple.type = call %base.ref()
|
|
// CHECK:STDOUT: <elided>
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: --- fail_todo_import_overloaded.carbon
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: constants {
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: imports {
|
|
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
|
|
// CHECK:STDOUT: .foo = <error>
|
|
// CHECK:STDOUT: import Cpp//...
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: fn @F() {
|
|
// CHECK:STDOUT: !entry:
|
|
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
|
|
// CHECK:STDOUT: %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
|
|
// CHECK:STDOUT: <elided>
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: --- fail_todo_import_variadic.carbon
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: constants {
|
|
// CHECK:STDOUT: %int_8: Core.IntLiteral = int_value 8 [concrete]
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: imports {
|
|
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
|
|
// CHECK:STDOUT: .foo = <error>
|
|
// CHECK:STDOUT: import Cpp//...
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: fn @F() {
|
|
// CHECK:STDOUT: !entry:
|
|
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
|
|
// CHECK:STDOUT: %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
|
|
// CHECK:STDOUT: %int_8: Core.IntLiteral = int_value 8 [concrete = constants.%int_8]
|
|
// CHECK:STDOUT: <elided>
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: --- import_static.carbon
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: constants {
|
|
// CHECK:STDOUT: %empty_tuple.type: type = tuple_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: .foo = %foo.decl
|
|
// CHECK:STDOUT: import Cpp//...
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {} {}
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: fn @F() {
|
|
// CHECK:STDOUT: !entry:
|
|
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
|
|
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
|
|
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref()
|
|
// CHECK:STDOUT: <elided>
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|