VitaNuo updated this revision to Diff 483911.
VitaNuo added a comment.
Add guard calls to headers.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D139716/new/
https://reviews.llvm.org/D139716
Files:
clang-tools-extra/include-cleaner/lib/FindHeaders.cpp
clang-tools-extra/include-cleaner/unittests/FindHeadersTest.cpp
Index: clang-tools-extra/include-cleaner/unittests/FindHeadersTest.cpp
===================================================================
--- clang-tools-extra/include-cleaner/unittests/FindHeadersTest.cpp
+++ clang-tools-extra/include-cleaner/unittests/FindHeadersTest.cpp
@@ -7,11 +7,17 @@
//===----------------------------------------------------------------------===//
#include "AnalysisInternal.h"
+#include "clang-include-cleaner/Analysis.h"
#include "clang-include-cleaner/Record.h"
+#include "clang-include-cleaner/Types.h"
+#include "clang/AST/RecursiveASTVisitor.h"
#include "clang/Basic/FileEntry.h"
#include "clang/Basic/FileManager.h"
#include "clang/Frontend/FrontendActions.h"
#include "clang/Testing/TestAST.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Testing/Support/Annotations.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include <memory>
@@ -31,7 +37,7 @@
std::unique_ptr<TestAST> AST;
FindHeadersTest() {
Inputs.MakeAction = [this] {
- struct Hook : public PreprocessOnlyAction {
+ struct Hook : public SyntaxOnlyAction {
public:
Hook(PragmaIncludes *Out) : Out(Out) {}
bool BeginSourceFileAction(clang::CompilerInstance &CI) override {
@@ -153,5 +159,89 @@
physicalHeader("exporter.h")));
}
+struct CustomVisitor : RecursiveASTVisitor<CustomVisitor> {
+ const Decl *Out = nullptr;
+
+ bool VisitCXXRecordDecl(const CXXRecordDecl *ND) {
+ if (ND->getName() == "Foo") {
+ EXPECT_TRUE(Out == nullptr);
+ Out = ND;
+ }
+ return true;
+ }
+
+ bool VisitNamedDecl(const NamedDecl *ND) {
+ if (ND->getName() == "FLAG_foo") {
+ EXPECT_TRUE(Out == nullptr);
+ Out = ND;
+ }
+ return true;
+ }
+};
+
+TEST_F(FindHeadersTest, TargetIsExpandedFromMacroInHeader) {
+ struct {
+ llvm::StringRef Main;
+ llvm::StringRef DeclareHeader;
+ llvm::StringRef MacroHeader;
+ } TestCases[] = {{
+ R"cpp(
+ #include "declare.h"
+ Foo foo;
+ )cpp",
+ R"cpp(
+ #include "macro.h"
+ DEFINE_CLASS(Foo)
+ )cpp",
+ R"cpp(
+ #define DEFINE_CLASS(name) class name {};
+ )cpp"},
+ {
+ R"cpp(
+ #include "declare.h"
+ void test(Foo foo);
+ )cpp",
+ R"cpp(
+ #include "macro.h"
+ DEFINE_Foo
+ )cpp",
+ R"cpp(
+ #define DEFINE_Foo class Foo {};
+ )cpp"},
+ {
+ R"cpp(
+ #include "declare.h"
+ void foo() {
+ FLAG_foo;
+ }
+ )cpp",
+ R"cpp(
+ #include "macro.h"
+ DECLARE_FLAGS(foo);
+ )cpp",
+ R"cpp(
+ #define DECLARE_FLAGS(name) extern int FLAG_##name
+ )cpp"}};
+
+ for (const auto &T : TestCases) {
+ llvm::Annotations MainFile(T.Main);
+ Inputs.Code = MainFile.code();
+ Inputs.ExtraFiles["declare.h"] = guard(T.DeclareHeader);
+ Inputs.ExtraFiles["macro.h"] = guard(T.MacroHeader);
+ buildAST();
+
+ CustomVisitor Visitor;
+ for (Decl *D : AST->context().getTranslationUnitDecl()->decls()) {
+ Visitor.TraverseDecl(D);
+ }
+
+ const Decl *Foo = Visitor.Out;
+ llvm::SmallVector<Header> Headers = clang::include_cleaner::findHeaders(
+ Foo->getLocation(), AST->sourceManager(), nullptr);
+ EXPECT_EQ(Headers.size(), 1u);
+ EXPECT_THAT(Headers, UnorderedElementsAre(physicalHeader("declare.h")));
+ }
+}
+
} // namespace
} // namespace clang::include_cleaner
Index: clang-tools-extra/include-cleaner/lib/FindHeaders.cpp
===================================================================
--- clang-tools-extra/include-cleaner/lib/FindHeaders.cpp
+++ clang-tools-extra/include-cleaner/lib/FindHeaders.cpp
@@ -18,8 +18,7 @@
llvm::SmallVector<Header> Results;
switch (Loc.kind()) {
case SymbolLocation::Physical: {
- // FIXME: Handle macro locations.
- FileID FID = SM.getFileID(Loc.physical());
+ FileID FID = SM.getFileID(SM.getExpansionLoc(Loc.physical()));
const FileEntry *FE = SM.getFileEntryForID(FID);
if (!PI) {
return FE ? llvm::SmallVector<Header>{Header(FE)}
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