Files
clice/tests/unit/Compiler/Diagnostic.cpp
2025-09-07 23:27:39 +08:00

137 lines
4.2 KiB
C++

#include "Test/Test.h"
#include "Compiler/Diagnostic.h"
#include "Compiler/Compilation.h"
namespace clice::testing {
// see llvm/clang/include/clang/AST/ASTDiagnostic.h
void dump_arg(clang::DiagnosticsEngine::ArgumentKind kind, std::uint64_t value) {
switch(kind) {
case clang::DiagnosticsEngine::ak_identifierinfo: {
clang::IdentifierInfo* info = reinterpret_cast<clang::IdentifierInfo*>(value);
llvm::outs() << info->getName();
break;
}
case clang::DiagnosticsEngine::ak_qual: {
clang::Qualifiers qual = clang::Qualifiers::fromOpaqueValue(value);
llvm::outs() << qual.getAsString();
break;
}
case clang::DiagnosticsEngine::ak_qualtype: {
clang::QualType type =
clang::QualType::getFromOpaquePtr(reinterpret_cast<void*>(value));
llvm::outs() << type.getAsString();
break;
}
case clang::DiagnosticsEngine::ak_qualtype_pair: {
clang::TemplateDiffTypes& TDT = *reinterpret_cast<clang::TemplateDiffTypes*>(value);
clang::QualType type1 =
clang::QualType::getFromOpaquePtr(reinterpret_cast<void*>(TDT.FromType));
clang::QualType type2 =
clang::QualType::getFromOpaquePtr(reinterpret_cast<void*>(TDT.ToType));
llvm::outs() << type1.getAsString() << " -> " << type2.getAsString();
break;
}
case clang::DiagnosticsEngine::ak_declarationname: {
clang::DeclarationName name = clang::DeclarationName::getFromOpaqueInteger(value);
llvm::outs() << name.getAsString();
break;
}
case clang::DiagnosticsEngine::ak_nameddecl: {
clang::NamedDecl* decl = reinterpret_cast<clang::NamedDecl*>(value);
llvm::outs() << decl->getNameAsString();
break;
}
case clang::DiagnosticsEngine::ak_nestednamespec: {
clang::NestedNameSpecifier* spec = reinterpret_cast<clang::NestedNameSpecifier*>(value);
spec->dump();
break;
}
case clang::DiagnosticsEngine::ak_declcontext: {
clang::DeclContext* context = reinterpret_cast<clang::DeclContext*>(value);
llvm::outs() << context->getDeclKindName();
break;
}
case clang::DiagnosticsEngine::ak_attr: {
clang::Attr* attr = reinterpret_cast<clang::Attr*>(value);
break;
// attr->dump();
}
default: {
std::abort();
}
}
llvm::outs() << "\n";
}
namespace {
using namespace clice;
suite<"Diagnostic"> diagnostic = [] {
test("CommandError") = [] {
CompilationParams params;
/// miss input file.
params.arguments = {"clang++"};
params.add_remapped_file("main.cpp", "int main() { return 0; }");
auto unit = compile(params);
expect(that % !unit);
};
test("Error") = [] {
CompilationParams params;
params.arguments = {"clang++", "main.cpp"};
params.add_remapped_file("main.cpp", "int main() { return 0 }");
auto unit = compile(params);
expect(that % unit.has_value());
expect(that % !unit->diagnostics().empty());
/// for(auto& diag: unit->diagnostics()) {
/// std::println("{}", diag.message);
/// }
};
test("PCHError") = [] {
/// Any error in compilation will result in failure on generating PCH or PCM.
CompilationParams params;
params.arguments = {"clang++", "main.cpp"};
params.output_file = "fake.pch";
params.add_remapped_file("main.cpp", R"(
void foo() {}
void foo() {}
)");
PCHInfo info;
auto unit = compile(params, info);
expect(that % !unit);
};
test("ASTError") = [] {
/// Event fatal error may generate incomplete AST, but it is fine.
CompilationParams params;
params.arguments = {"clang++", "main.cpp"};
params.add_remapped_file("main.cpp", R"(
void foo() {}
void foo() {}
)");
PCHInfo info;
auto unit = compile(params);
expect(that % unit.has_value());
};
};
} // namespace
} // namespace clice::testing