mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
Richard SmithandChandler Carruth
bd90fe1d9b
We assume these types have the same representation. For now, that will only be the case for libc++ on 64-bit targets, because libc++ puts the size field first, and `Core.String` always uses a 64-bit size field even on 32-bit targets. --------- Co-authored-by: Chandler Carruth <chandlerc@gmail.com>
154 lines
7.1 KiB
Plaintext
154 lines
7.1 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/primitives.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/stdlib/string_view.carbon
|
|
// TIP: To dump output, run:
|
|
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/stdlib/string_view.carbon
|
|
|
|
// --- string_view.h
|
|
|
|
namespace std {
|
|
using size_t = __SIZE_TYPE__;
|
|
|
|
inline namespace __1 {
|
|
template<typename T> struct char_traits {};
|
|
|
|
template<typename CharT, typename Traits = char_traits<CharT>>
|
|
class basic_string_view {
|
|
public:
|
|
basic_string_view() = default;
|
|
size_t size() const { return size_; }
|
|
|
|
private:
|
|
const CharT* data_;
|
|
size_t size_;
|
|
};
|
|
|
|
using string_view = basic_string_view<char>;
|
|
}
|
|
}
|
|
|
|
auto Consume(std::string_view sv) -> void;
|
|
auto Produce() -> std::string_view;
|
|
|
|
// --- import_multiple.carbon
|
|
|
|
library "[[@TEST_NAME]]";
|
|
|
|
import Cpp library "string_view.h";
|
|
|
|
//@dump-sem-ir-begin
|
|
fn F() {
|
|
Cpp.Consume("hello");
|
|
}
|
|
//@dump-sem-ir-end
|
|
|
|
//@dump-sem-ir-begin
|
|
fn G() -> str {
|
|
return Cpp.Produce();
|
|
}
|
|
//@dump-sem-ir-end
|
|
|
|
// CHECK:STDOUT: --- import_multiple.carbon
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: constants {
|
|
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
|
|
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
|
|
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
|
|
// CHECK:STDOUT: %String: type = class_type @String [concrete]
|
|
// CHECK:STDOUT: %int_64: Core.IntLiteral = int_value 64 [concrete]
|
|
// CHECK:STDOUT: %u64: type = class_type @UInt, @UInt(%int_64) [concrete]
|
|
// CHECK:STDOUT: %int_8: Core.IntLiteral = int_value 8 [concrete]
|
|
// CHECK:STDOUT: %u8: type = class_type @UInt, @UInt(%int_8) [concrete]
|
|
// CHECK:STDOUT: %ptr.3e8: type = ptr_type %u8 [concrete]
|
|
// CHECK:STDOUT: %pattern_type.461: type = pattern_type %String [concrete]
|
|
// CHECK:STDOUT: %Consume.type: type = fn_type @Consume [concrete]
|
|
// CHECK:STDOUT: %Consume: %Consume.type = struct_value () [concrete]
|
|
// CHECK:STDOUT: %ptr.85f: type = ptr_type %String [concrete]
|
|
// CHECK:STDOUT: %Consume__carbon_thunk.type: type = fn_type @Consume__carbon_thunk [concrete]
|
|
// CHECK:STDOUT: %Consume__carbon_thunk: %Consume__carbon_thunk.type = struct_value () [concrete]
|
|
// CHECK:STDOUT: %str: %ptr.3e8 = string_literal "hello" [concrete]
|
|
// CHECK:STDOUT: %int_5: %u64 = int_value 5 [concrete]
|
|
// CHECK:STDOUT: %String.val: %String = struct_value (%str, %int_5) [concrete]
|
|
// CHECK:STDOUT: %G.type: type = fn_type @G [concrete]
|
|
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
|
|
// CHECK:STDOUT: %Produce.type: type = fn_type @Produce [concrete]
|
|
// CHECK:STDOUT: %Produce: %Produce.type = struct_value () [concrete]
|
|
// CHECK:STDOUT: %Produce__carbon_thunk.type: type = fn_type @Produce__carbon_thunk [concrete]
|
|
// CHECK:STDOUT: %Produce__carbon_thunk: %Produce__carbon_thunk.type = struct_value () [concrete]
|
|
// CHECK:STDOUT: %String.as.Destroy.impl.Op.type: type = fn_type @String.as.Destroy.impl.Op [concrete]
|
|
// CHECK:STDOUT: %String.as.Destroy.impl.Op: %String.as.Destroy.impl.Op.type = struct_value () [concrete]
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: imports {
|
|
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
|
|
// CHECK:STDOUT: .Consume = %Consume.decl
|
|
// CHECK:STDOUT: .Produce = %Produce.decl
|
|
// CHECK:STDOUT: import Cpp//...
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %Consume.decl: %Consume.type = fn_decl @Consume [concrete = constants.%Consume] {
|
|
// CHECK:STDOUT: <elided>
|
|
// CHECK:STDOUT: } {
|
|
// CHECK:STDOUT: <elided>
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %Consume__carbon_thunk.decl: %Consume__carbon_thunk.type = fn_decl @Consume__carbon_thunk [concrete = constants.%Consume__carbon_thunk] {
|
|
// CHECK:STDOUT: <elided>
|
|
// CHECK:STDOUT: } {
|
|
// CHECK:STDOUT: <elided>
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %Produce.decl: %Produce.type = fn_decl @Produce [concrete = constants.%Produce] {
|
|
// CHECK:STDOUT: <elided>
|
|
// CHECK:STDOUT: } {
|
|
// CHECK:STDOUT: <elided>
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: %Produce__carbon_thunk.decl: %Produce__carbon_thunk.type = fn_decl @Produce__carbon_thunk [concrete = constants.%Produce__carbon_thunk] {
|
|
// CHECK:STDOUT: <elided>
|
|
// CHECK:STDOUT: } {
|
|
// CHECK:STDOUT: <elided>
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: file {
|
|
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
|
|
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {
|
|
// CHECK:STDOUT: %return.patt: %pattern_type.461 = return_slot_pattern [concrete]
|
|
// CHECK:STDOUT: %return.param_patt: %pattern_type.461 = out_param_pattern %return.patt, call_param0 [concrete]
|
|
// CHECK:STDOUT: } {
|
|
// CHECK:STDOUT: %return.param: ref %String = out_param call_param0
|
|
// CHECK:STDOUT: %return: ref %String = return_slot %return.param
|
|
// 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: %Consume.ref: %Consume.type = name_ref Consume, imports.%Consume.decl [concrete = constants.%Consume]
|
|
// CHECK:STDOUT: %str: %ptr.3e8 = string_literal "hello" [concrete = constants.%str]
|
|
// CHECK:STDOUT: %int_5: %u64 = int_value 5 [concrete = constants.%int_5]
|
|
// CHECK:STDOUT: %String.val: %String = struct_value (%str, %int_5) [concrete = constants.%String.val]
|
|
// CHECK:STDOUT: %.loc8: ref %String = value_as_ref %String.val
|
|
// CHECK:STDOUT: %addr: %ptr.85f = addr_of %.loc8
|
|
// CHECK:STDOUT: %Consume__carbon_thunk.call: init %empty_tuple.type = call imports.%Consume__carbon_thunk.decl(%addr)
|
|
// CHECK:STDOUT: return
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: fn @G() -> %return.param: %String {
|
|
// CHECK:STDOUT: !entry:
|
|
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
|
|
// CHECK:STDOUT: %Produce.ref: %Produce.type = name_ref Produce, imports.%Produce.decl [concrete = constants.%Produce]
|
|
// CHECK:STDOUT: %.loc13: ref %String = splice_block %return {}
|
|
// CHECK:STDOUT: %addr.loc14: %ptr.85f = addr_of %.loc13
|
|
// CHECK:STDOUT: %Produce__carbon_thunk.call: init %empty_tuple.type = call imports.%Produce__carbon_thunk.decl(%addr.loc14)
|
|
// CHECK:STDOUT: %.loc14: init %String = in_place_init %Produce__carbon_thunk.call, %.loc13
|
|
// CHECK:STDOUT: %String.as.Destroy.impl.Op.bound: <bound method> = bound_method %.loc13, constants.%String.as.Destroy.impl.Op
|
|
// CHECK:STDOUT: %addr.loc13: %ptr.85f = addr_of %.loc13
|
|
// CHECK:STDOUT: %String.as.Destroy.impl.Op.call: init %empty_tuple.type = call %String.as.Destroy.impl.Op.bound(%addr.loc13)
|
|
// CHECK:STDOUT: return %.loc14 to %return
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|