Files
clice/tests/unit/Compiler/Module.cpp
2025-08-03 17:43:42 +08:00

170 lines
4.2 KiB
C++

#include "Test/Test.h"
#include "Compiler/Compilation.h"
#include "llvm/Support/ToolOutputFile.h"
namespace clice::testing {
namespace {
PCMInfo buildPCM(llvm::StringRef file, llvm::StringRef code) {
llvm::SmallString<128> outPath;
fs::createUniquePath(llvm::Twine(file) + "%%%%%%.pcm", outPath, true);
std::string path = file.str();
CompilationParams params;
params.output_file = outPath;
params.arguments = {
"clang++",
"-std=c++20",
"-xc++",
path.c_str(),
};
params.add_remapped_file(file, code);
params.add_remapped_file("./test.h", "export int foo2();");
PCMInfo pcm;
if(!compile(params, pcm)) {
llvm::errs() << "Failed to build PCM\n";
std::abort();
}
return pcm;
}
ModuleInfo scan(llvm::StringRef content) {
CompilationParams params;
params.arguments = {
"clang++",
"-std=c++20",
"-xc++",
"main.ixx",
};
params.add_remapped_file("main.ixx", content);
params.add_remapped_file("./test.h", "export module A");
auto info = scanModule(params);
if(!info) {
/// clice::println("Fail to scan module: {}", info.error());
std::abort();
}
return std::move(*info);
}
TEST(Module, Scan) {
/// Simple case.
const char* content = R"(
export module A;
import B;
)";
auto info = scan(content);
ASSERT_EQ(info.isInterfaceUnit, true);
ASSERT_EQ(info.name, "A");
ASSERT_EQ(info.mods.size(), 1);
ASSERT_EQ(info.mods[0], "B");
/// FIXME: Fix standard library search path(resource dir).
/// With global module fragment and private module fragment.
/// content = R"(
/// module;
/// #include <iostream>
/// export module A;
/// import B;
/// import C;
/// module : private;
///)";
/// info = scan(content);
/// ASSERT_EQ(info.isInterfaceUnit, true);
/// ASSERT_EQ(info.name, "A");
/// ASSERT_EQ(info.mods.size(), 2);
/// ASSERT_EQ(info.mods[0], "B");
/// ASSERT_EQ(info.mods[1], "C");
/// With module partition.
/// content = R"(
/// module;
/// #include <iostream>
/// export module A:B;
/// import B;
/// import C;
/// module : private;
///)";
/// info = scan(content);
/// ASSERT_EQ(info.isInterfaceUnit, true);
/// ASSERT_EQ(info.name, "A:B");
/// ASSERT_EQ(info.mods.size(), 2);
/// ASSERT_EQ(info.mods[0], "B");
/// ASSERT_EQ(info.mods[1], "C");
content = R"(
module A;
import B;
import C;
)";
info = scan(content);
ASSERT_EQ(info.isInterfaceUnit, false);
ASSERT_EQ(info.name, "A");
ASSERT_EQ(info.mods.size(), 2);
ASSERT_EQ(info.mods[0], "B");
ASSERT_EQ(info.mods[1], "C");
}
TEST(Module, Normal) {
const char* content = R"(
export module A;
)";
auto pcm = buildPCM("A.ixx", content);
// ASSERT_EQ(pcm.isInterfaceUnit, true);
// ASSERT_EQ(pcm.name, "A");
// ASSERT_EQ(pcm.mods.size(), 0);
}
// TEST(Module, ScanModuleName) {
// CompilationParams params;
//
// /// Test module name not in condition directive.
// params.content = "export module A;";
// ASSERT_EQ(scanModuleName(params), "A");
//
// params.content = "export module A.B.C.D;";
// ASSERT_EQ(scanModuleName(params), "A.B.C.D");
//
// params.content = "export module A:B;";
// ASSERT_EQ(scanModuleName(params), "A:B");
//
// params.content = R"(
// module;
// #ifdef TEST
// #include <iostream>
// #endif
// export module A;
//)";
// ASSERT_EQ(scanModuleName(params), "A");
//
// /// Test non-module interface unit.
// params.content = "module A;";
// ASSERT_EQ(scanModuleName(params), "");
//
// params.content = "";
// ASSERT_EQ(scanModuleName(params), "");
//
// /// Test module name in condition directive.
// params.content = R"(
// #ifdef TEST
// export module A;
// #else
// export module B;
// #endif
//)";
// params.srcPath = "main.cppm";
// params.command = "clang++ -std=c++20 -x c++ main.cppm -DTEST";
// ASSERT_EQ(scanModuleName(params), "A");
//
// params.command = "clang++ -std=c++20 -x c++ main.cppm";
// ASSERT_EQ(scanModuleName(params), "B");
// }
} // namespace
} // namespace clice::testing