[PATCH] D155381: [clangd] Allow indexing of __reserved_names outside system headers
Sam McCall via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Fri Jul 21 14:30:50 PDT 2023
This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG290a98c7b008: [clangd] Allow indexing of __reserved_names outside system headers (authored by sammccall).
Changed prior to commit:
https://reviews.llvm.org/D155381?vs=540734&id=543067#toc
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D155381/new/
https://reviews.llvm.org/D155381
Files:
clang-tools-extra/clangd/index/SymbolCollector.cpp
clang-tools-extra/clangd/index/SymbolCollector.h
clang-tools-extra/clangd/unittests/SymbolCollectorTests.cpp
Index: clang-tools-extra/clangd/unittests/SymbolCollectorTests.cpp
===================================================================
--- clang-tools-extra/clangd/unittests/SymbolCollectorTests.cpp
+++ clang-tools-extra/clangd/unittests/SymbolCollectorTests.cpp
@@ -304,10 +304,12 @@
Args, Factory->create(), Files.get(),
std::make_shared<PCHContainerOperations>());
- InMemoryFileSystem->addFile(TestHeaderName, 0,
- llvm::MemoryBuffer::getMemBuffer(HeaderCode));
- InMemoryFileSystem->addFile(TestFileName, 0,
- llvm::MemoryBuffer::getMemBuffer(MainCode));
+ // Multiple calls to runSymbolCollector with different contents will fail
+ // to update the filesystem! Why are we sharing one across tests, anyway?
+ EXPECT_TRUE(InMemoryFileSystem->addFile(
+ TestHeaderName, 0, llvm::MemoryBuffer::getMemBuffer(HeaderCode)));
+ EXPECT_TRUE(InMemoryFileSystem->addFile(
+ TestFileName, 0, llvm::MemoryBuffer::getMemBuffer(MainCode)));
Invocation.run();
Symbols = Factory->Collector->takeSymbols();
Refs = Factory->Collector->takeRefs();
@@ -1788,6 +1790,8 @@
runSymbolCollector("class Foo {};", /*Main=*/"");
EXPECT_THAT(Symbols, UnorderedElementsAre(
Field(&Symbol::Origin, SymbolOrigin::Static)));
+ InMemoryFileSystem = new llvm::vfs::InMemoryFileSystem;
+ CollectorOpts.CollectMacro = true;
runSymbolCollector("#define FOO", /*Main=*/"");
EXPECT_THAT(Symbols, UnorderedElementsAre(
Field(&Symbol::Origin, SymbolOrigin::Static)));
@@ -1941,17 +1945,25 @@
TEST_F(SymbolCollectorTest, Reserved) {
const char *Header = R"cpp(
+ #pragma once
void __foo();
namespace _X { int secret; }
)cpp";
CollectorOpts.CollectReserved = true;
- runSymbolCollector("", Header);
+ runSymbolCollector(Header, "");
EXPECT_THAT(Symbols, UnorderedElementsAre(qName("__foo"), qName("_X"),
qName("_X::secret")));
CollectorOpts.CollectReserved = false;
- runSymbolCollector("", Header); //
+ runSymbolCollector(Header, "");
+ EXPECT_THAT(Symbols, UnorderedElementsAre(qName("__foo"), qName("_X"),
+ qName("_X::secret")));
+
+ // Ugly: for some reason we reuse the test filesystem across tests.
+ // You can't overwrite the same filename with new content!
+ InMemoryFileSystem = new llvm::vfs::InMemoryFileSystem;
+ runSymbolCollector("#pragma GCC system_header\n" + std::string(Header), "");
EXPECT_THAT(Symbols, IsEmpty());
}
Index: clang-tools-extra/clangd/index/SymbolCollector.h
===================================================================
--- clang-tools-extra/clangd/index/SymbolCollector.h
+++ clang-tools-extra/clangd/index/SymbolCollector.h
@@ -88,6 +88,7 @@
bool CollectMainFileRefs = false;
/// Collect symbols with reserved names, like __Vector_base.
/// This does not currently affect macros (many like _WIN32 are important!)
+ /// This only affects system headers.
bool CollectReserved = false;
/// If set to true, SymbolCollector will collect doc for all symbols.
/// Note that documents of symbols being indexed for completion will always
Index: clang-tools-extra/clangd/index/SymbolCollector.cpp
===================================================================
--- clang-tools-extra/clangd/index/SymbolCollector.cpp
+++ clang-tools-extra/clangd/index/SymbolCollector.cpp
@@ -516,7 +516,8 @@
if (isPrivateProtoDecl(ND))
return false;
if (!Opts.CollectReserved &&
- (hasReservedName(ND) || hasReservedScope(*ND.getDeclContext())))
+ (hasReservedName(ND) || hasReservedScope(*ND.getDeclContext())) &&
+ ASTCtx.getSourceManager().isInSystemHeader(ND.getLocation()))
return false;
return true;
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