hokein created this revision.
hokein added a reviewer: kadircet.
Herald added subscribers: usaxena95, arphaman, jkorous, MaskRay, ilya-biryukov,
mgorny.
Herald added a project: clang.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D73780
Files:
clang-tools-extra/clangd/CMakeLists.txt
clang-tools-extra/clangd/Protobuf.cpp
clang-tools-extra/clangd/Protobuf.h
clang-tools-extra/clangd/index/SymbolCollector.cpp
Index: clang-tools-extra/clangd/index/SymbolCollector.cpp
===================================================================
--- clang-tools-extra/clangd/index/SymbolCollector.cpp
+++ clang-tools-extra/clangd/index/SymbolCollector.cpp
@@ -13,6 +13,7 @@
#include "CodeCompletionStrings.h"
#include "ExpectedTypes.h"
#include "Logger.h"
+#include "Protobuf.h"
#include "SourceCode.h"
#include "SymbolLocation.h"
#include "URI.h"
@@ -70,45 +71,6 @@
return URI::create(AbsolutePath).toString();
}
-// All proto generated headers should start with this line.
-static const char *PROTO_HEADER_COMMENT =
- "// Generated by the protocol buffer compiler. DO NOT EDIT!";
-
-// Checks whether the decl is a private symbol in a header generated by
-// protobuf compiler.
-// To identify whether a proto header is actually generated by proto compiler,
-// we check whether it starts with PROTO_HEADER_COMMENT.
-// FIXME: make filtering extensible when there are more use cases for symbol
-// filters.
-bool isPrivateProtoDecl(const NamedDecl &ND) {
- const auto &SM = ND.getASTContext().getSourceManager();
- auto Loc = nameLocation(ND, SM);
- auto FileName = SM.getFilename(Loc);
- if (!FileName.endswith(".proto.h") && !FileName.endswith(".pb.h"))
- return false;
- auto FID = SM.getFileID(Loc);
- // Double check that this is an actual protobuf header.
- if (!SM.getBufferData(FID).startswith(PROTO_HEADER_COMMENT))
- return false;
-
- // ND without identifier can be operators.
- if (ND.getIdentifier() == nullptr)
- return false;
- auto Name = ND.getIdentifier()->getName();
- if (!Name.contains('_'))
- return false;
- // Nested proto entities (e.g. Message::Nested) have top-level decls
- // that shouldn't be used (Message_Nested). Ignore them completely.
- // The nested entities are dangling type aliases, we may want to reconsider
- // including them in the future.
- // For enum constants, SOME_ENUM_CONSTANT is not private and should be
- // indexed. Outer_INNER is private. This heuristic relies on naming style, it
- // will include OUTER_INNER and exclude some_enum_constant.
- // FIXME: the heuristic relies on naming style (i.e. no underscore in
- // user-defined names) and can be improved.
- return (ND.getKind() != Decl::EnumConstant) || llvm::any_of(Name, islower);
-}
-
// We only collect #include paths for symbols that are suitable for global code
// completion, except for namespaces since #include path for a namespace is hard
// to define.
Index: clang-tools-extra/clangd/Protobuf.h
===================================================================
--- /dev/null
+++ clang-tools-extra/clangd/Protobuf.h
@@ -0,0 +1,24 @@
+//===--- Protobuf.h - ------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_PROTOBUF_H_
+#define LLVM_CLANG_TOOLS_EXTRA_CLANGD_PROTOBUF_H_
+
+#include "clang/AST/Decl.h"
+
+namespace clang {
+namespace clangd {
+
+/// Checks whether the decl is a private symbol in a header generated by
+/// protobuf compiler.
+bool isPrivateProtoDecl(const NamedDecl &ND);
+
+} // namespace clangd
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANGD_PROTOBUF_H_
Index: clang-tools-extra/clangd/Protobuf.cpp
===================================================================
--- /dev/null
+++ clang-tools-extra/clangd/Protobuf.cpp
@@ -0,0 +1,58 @@
+//===--- Protobuf.cpp -------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_PROTOBUF_H_
+#define LLVM_CLANG_TOOLS_EXTRA_CLANGD_PROTOBUF_H_
+
+#include "Protobuf.h"
+#include "AST.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/AST/Decl.h"
+
+namespace clang {
+namespace clangd {
+
+// All proto generated headers should start with this line.
+static const char *PROTO_HEADER_COMMENT =
+ "// Generated by the protocol buffer compiler. DO NOT EDIT!";
+
+// To identify whether a proto header is actually generated by proto compiler,
+// we check whether it starts with PROTO_HEADER_COMMENT.
+bool isPrivateProtoDecl(const NamedDecl &ND) {
+ const auto &SM = ND.getASTContext().getSourceManager();
+ auto Loc = nameLocation(ND, SM);
+ auto FileName = SM.getFilename(Loc);
+ if (!FileName.endswith(".proto.h") && !FileName.endswith(".pb.h"))
+ return false;
+ auto FID = SM.getFileID(Loc);
+ // Double check that this is an actual protobuf header.
+ if (!SM.getBufferData(FID).startswith(PROTO_HEADER_COMMENT))
+ return false;
+
+ // ND without identifier can be operators.
+ if (ND.getIdentifier() == nullptr)
+ return false;
+ auto Name = ND.getIdentifier()->getName();
+ if (!Name.contains('_'))
+ return false;
+ // Nested proto entities (e.g. Message::Nested) have top-level decls
+ // that shouldn't be used (Message_Nested). Ignore them completely.
+ // The nested entities are dangling type aliases, we may want to reconsider
+ // including them in the future.
+ // For enum constants, SOME_ENUM_CONSTANT is not private and should be
+ // indexed. Outer_INNER is private. This heuristic relies on naming style, it
+ // will include OUTER_INNER and exclude some_enum_constant.
+ // FIXME: the heuristic relies on naming style (i.e. no underscore in
+ // user-defined names) and can be improved.
+ return (ND.getKind() != Decl::EnumConstant) || llvm::any_of(Name, islower);
+}
+
+} // namespace clangd
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANGD_PROTOBUF_H_
Index: clang-tools-extra/clangd/CMakeLists.txt
===================================================================
--- clang-tools-extra/clangd/CMakeLists.txt
+++ clang-tools-extra/clangd/CMakeLists.txt
@@ -63,6 +63,7 @@
JSONTransport.cpp
Logger.cpp
PathMapping.cpp
+ Protobuf.cpp
Protocol.cpp
Quality.cpp
ParsedAST.cpp
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