Index: clangd/ClangdLSPServer.h
===================================================================
--- clangd/ClangdLSPServer.h
+++ clangd/ClangdLSPServer.h
@@ -72,6 +72,8 @@
void onFileEvent(Ctx C, DidChangeWatchedFilesParams &Params) override;
void onCommand(Ctx C, ExecuteCommandParams &Params) override;
void onRename(Ctx C, RenameParams &Parames) override;
+ void onChangeConfiguration(Ctx C,
+ DidChangeConfigurationParams &Params) override;
std::vector<clang::tooling::Replacement>
getFixIts(StringRef File, const clangd::Diagnostic &D);
Index: clangd/ClangdLSPServer.cpp
===================================================================
--- clangd/ClangdLSPServer.cpp
+++ clangd/ClangdLSPServer.cpp
@@ -9,6 +9,11 @@
#include "ClangdLSPServer.h"
#include "JSONRPCDispatcher.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/Program.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/FormatVariadic.h"
@@ -57,6 +62,7 @@
{"triggerCharacters", {"(", ","}},
}},
{"definitionProvider", true},
+ {"configurationChangeProvider", true},
{"renameProvider", true},
{"executeCommandProvider",
json::obj{
@@ -235,6 +241,17 @@
C.reply(Result ? URI::fromFile(*Result).uri : "");
}
+void ClangdLSPServer::onChangeConfiguration(
+ Ctx C, DidChangeConfigurationParams &Params) {
+
+ // Verify if path has value and is a valid path
+ if (Params.settings.compilationDatabasePath.hasValue()) {
+ CDB.setCompileCommandsDir(
+ Params.settings.compilationDatabasePath.getValue());
+ Server.reparseOpenedFiles();
+ }
+}
+
ClangdLSPServer::ClangdLSPServer(JSONOutput &Out, unsigned AsyncThreadsCount,
bool StorePreamblesInMemory,
const clangd::CodeCompleteOptions &CCOpts,
Index: clangd/ClangdServer.h
===================================================================
--- clangd/ClangdServer.h
+++ clangd/ClangdServer.h
@@ -234,7 +234,10 @@
/// for \p File has changed. If it has, will remove currently stored Preamble
/// and AST and rebuild them from scratch.
std::future<void> forceReparse(PathRef File);
-
+ /// Calls forceReparse() on all currently opened files.
+ /// As a result, this method may be very expensive.
+ /// This method is normally called when the compilation database is changed.
+ std::vector<std::future<void>> reparseOpenedFiles();
/// DEPRECATED. Please use a callback-based version, this API is deprecated
/// and will soon be removed.
///
Index: clangd/ClangdServer.cpp
===================================================================
--- clangd/ClangdServer.cpp
+++ clangd/ClangdServer.cpp
@@ -580,6 +580,16 @@
return DoneFuture;
}
+std::vector<std::future<void>> ClangdServer::reparseOpenedFiles() {
+ std::vector<std::future<void>> FutureVector;
+ std::vector<Path> ActiveFilePaths;
+ ActiveFilePaths = DraftMgr.getActiveFiles();
+ for (const auto& FilePath : ActiveFilePaths)
+ FutureVector.push_back(forceReparse(FilePath));
+
+ return FutureVector;
+}
+
void ClangdServer::onFileEvent(const DidChangeWatchedFilesParams &Params) {
// FIXME: Do nothing for now. This will be used for indexing and potentially
// invalidating other caches.
Index: clangd/DraftStore.h
===================================================================
--- clangd/DraftStore.h
+++ clangd/DraftStore.h
@@ -40,6 +40,8 @@
/// \return version and contents of the stored document.
/// For untracked files, a (0, None) pair is returned.
VersionedDraft getDraft(PathRef File) const;
+ /// \return all active files
+ std::vector<Path> getActiveFiles() const;
/// \return version of the tracked document.
/// For untracked files, 0 is returned.
DocVersion getVersion(PathRef File) const;
Index: clangd/DraftStore.cpp
===================================================================
--- clangd/DraftStore.cpp
+++ clangd/DraftStore.cpp
@@ -21,6 +21,16 @@
return It->second;
}
+std::vector<Path> DraftStore::getActiveFiles() const {
+ std::lock_guard<std::mutex> Lock(Mutex);
+ std::vector<Path> ResultVector;
+
+ for (auto Draft : Drafts.keys())
+ ResultVector.push_back(Draft);
+
+ return ResultVector;
+}
+
DocVersion DraftStore::getVersion(PathRef File) const {
std::lock_guard<std::mutex> Lock(Mutex);
@@ -32,6 +42,7 @@
DocVersion DraftStore::updateDraft(PathRef File, StringRef Contents) {
std::lock_guard<std::mutex> Lock(Mutex);
+ assert(!File.empty());
auto &Entry = Drafts[File];
DocVersion NewVersion = ++Entry.Version;
@@ -41,6 +52,7 @@
DocVersion DraftStore::removeDraft(PathRef File) {
std::lock_guard<std::mutex> Lock(Mutex);
+ assert(!File.empty());
auto &Entry = Drafts[File];
DocVersion NewVersion = ++Entry.Version;
Index: clangd/GlobalCompilationDatabase.h
===================================================================
--- clangd/GlobalCompilationDatabase.h
+++ clangd/GlobalCompilationDatabase.h
@@ -61,6 +61,11 @@
/// Uses the default fallback command, adding any extra flags.
tooling::CompileCommand getFallbackCommand(PathRef File) const override;
+ void setCompileCommandsDir(Path P) {
+ CompileCommandsDir = P;
+ CompilationDatabases.clear();
+ }
+
/// Sets the extra flags that should be added to a file.
void setExtraFlagsForFile(PathRef File, std::vector<std::string> ExtraFlags);
Index: clangd/GlobalCompilationDatabase.cpp
===================================================================
--- clangd/GlobalCompilationDatabase.cpp
+++ clangd/GlobalCompilationDatabase.cpp
@@ -10,6 +10,7 @@
#include "GlobalCompilationDatabase.h"
#include "Logger.h"
#include "clang/Tooling/CompilationDatabase.h"
+#include "llvm/ADT/Optional.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
@@ -105,7 +106,7 @@
tryLoadDatabaseFromPath(CompileCommandsDir.getValue());
if (ReturnValue == nullptr)
Logger.log("Failed to find compilation database for " + Twine(File) +
- "in overriden directory " + CompileCommandsDir.getValue());
+ " in overriden directory " + CompileCommandsDir.getValue());
return ReturnValue;
}
Index: clangd/Protocol.h
===================================================================
--- clangd/Protocol.h
+++ clangd/Protocol.h
@@ -257,6 +257,24 @@
};
bool fromJSON(const json::Expr &, DidChangeWatchedFilesParams &);
+/// Clangd extension to manage a workspace/didChangeConfiguration notification
+/// since the data received is described as 'any' type in LSP.
+struct ClangdConfigurationParamsChange {
+ llvm::Optional<std::string> compilationDatabasePath;
+};
+bool fromJSON(const json::Expr &, ClangdConfigurationParamsChange &);
+
+struct DidChangeConfigurationParams {
+ DidChangeConfigurationParams() = default;
+ DidChangeConfigurationParams(ClangdConfigurationParamsChange settings): settings(settings) {}
+
+ // We use this predefined struct because it is easier to use
+ // than the protocol specified type of 'any'.
+ ClangdConfigurationParamsChange settings;
+};
+bool fromJSON(const json::Expr &, DidChangeConfigurationParams &);
+json::Expr toJSON(const DidChangeConfigurationParams &);
+
struct FormattingOptions {
/// Size of a tab in spaces.
int tabSize;
Index: clangd/Protocol.cpp
===================================================================
--- clangd/Protocol.cpp
+++ clangd/Protocol.cpp
@@ -359,5 +359,22 @@
O.map("position", R.position) && O.map("newName", R.newName);
}
+bool fromJSON(const json::Expr &Params, DidChangeConfigurationParams &CCP) {
+ json::ObjectMapper O(Params);
+ return O && O.map("settings", CCP.settings);
+}
+
+json::Expr toJSON(const DidChangeConfigurationParams &CCP) {
+
+ return json::obj{
+ {"settings", CCP.settings},
+ };
+}
+
+bool fromJSON(const json::Expr &Params, ClangdConfigurationParamsChange &CCPC) {
+ json::ObjectMapper O(Params);
+ return O && O.map("compilationDatabasePath", CCPC.compilationDatabasePath);
+}
+
} // namespace clangd
} // namespace clang
Index: clangd/ProtocolHandlers.h
===================================================================
--- clangd/ProtocolHandlers.h
+++ clangd/ProtocolHandlers.h
@@ -54,6 +54,8 @@
virtual void onFileEvent(Ctx C, DidChangeWatchedFilesParams &Params) = 0;
virtual void onCommand(Ctx C, ExecuteCommandParams &Params) = 0;
virtual void onRename(Ctx C, RenameParams &Parames) = 0;
+ virtual void onChangeConfiguration(Ctx C,
+ DidChangeConfigurationParams &Params) = 0;
};
void registerCallbackHandlers(JSONRPCDispatcher &Dispatcher, JSONOutput &Out,
Index: clangd/ProtocolHandlers.cpp
===================================================================
--- clangd/ProtocolHandlers.cpp
+++ clangd/ProtocolHandlers.cpp
@@ -72,4 +72,6 @@
Register("textDocument/rename", &ProtocolCallbacks::onRename);
Register("workspace/didChangeWatchedFiles", &ProtocolCallbacks::onFileEvent);
Register("workspace/executeCommand", &ProtocolCallbacks::onCommand);
+ Register("workspace/didChangeConfiguration",
+ &ProtocolCallbacks::onChangeConfiguration);
}
Index: test/clangd/did-change-configuration.test
===================================================================
--- /dev/null
+++ test/clangd/did-change-configuration.test
@@ -0,0 +1,46 @@
+# RUN: clangd -run-synchronously < %s | FileCheck %s
+# It is absolutely vital that this file has CRLF line endings.
+#
+Content-Length: 125
+
+{"jsonrpc":"2.0","id":0,"method":"initialize","params":{"processId":123,"rootPath":"clangd","capabilities":{},"trace":"off"}}
+
+Content-Length: 150
+
+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///foo.c","languageId":"c","version":1,"text":"voidmain(){}"}}}
+
+Content-Length: 86
+
+{"jsonrpc":"2.0","method":"workspace/didChangeConfiguration","params":{"settings":""}}
+#Failed to decode workspace/didChangeConfiguration request.
+#Incorrect mapping node
+
+Content-Length: 114
+
+{"jsonrpc":"2.0","method":"workspace/didChangeConfiguration","params":{"settings":{"compilationDatabasePath":{}}}}
+#Failed to decode workspace/didChangeConfiguration request.
+#compilationDatabasePath is not a scalar node
+
+Content-Length: 140
+
+{"jsonrpc":"2.0","method":"workspace/didChangeConfiguration","params":{"settings":{"compilationDatabasePath":"/","testBadValue":"foo1234"}}}
+#Ignored unknown field "testBadValue"
+#Failed to find compilation database for / in overriden directory /
+#Bad field, bad compilation database
+
+Content-Length: 722
+
+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///compile_commands.json","languageId":"json","version":1,"text":"[\n{\n"directory":"/",\n"command":"/usr/bin/c++-DGTEST_HAS_RTTI=0-D_GNU_SOURCE-D__STDC_CONSTANT_MACROS-D__STDC_FORMAT_MACROS-D__STDC_LIMIT_MACROS-Ilib/Demangle-I../lib/Demangle-I/usr/include/libxml2-Iinclude-I../include-fPIC-fvisibility-inlines-hidden-Werror=date-time-std=c++11-Wall-W-Wno-unused-parameter-Wwrite-strings-Wcast-qual-Wno-missing-field-initializers-pedantic-Wno-long-long-Wno-maybe-uninitialized-Wdelete-non-virtual-dtor-Wno-comment-O0-g-fno-exceptions-fno-rtti-o/foo.c.o-c/foo.c",\n"file":"/foo.c"\n},"}}}
+
+Content-Length: 115
+
+{"jsonrpc":"2.0","method":"workspace/didChangeConfiguration","params":{"settings":{"compilationDatabasePath":"/"}}}
+#CHECK:{"jsonrpc":"2.0","method":"textDocument/publishDiagnostics","params":{"diagnostics":[{"message":"type specifier missing, defaults to 'int'","range":{"end":{"character":1,"line":0},"start":{"character":1,"line":0}},"severity":2},{"message":"control reaches end of non-void function","range":{"end":{"character":12,"line":0},"start":{"character":12,"line":0}},"severity":2}],"uri":"file:///foo.c"}}
+
+Content-Length: 48
+
+{"jsonrpc":"2.0","id":10000,"method":"shutdown"}
+
+Content-Length: 33
+
+{"jsonrpc":"2.0":"method":"exit"}
Index: test/clangd/initialize-params-invalid.test
===================================================================
--- test/clangd/initialize-params-invalid.test
+++ test/clangd/initialize-params-invalid.test
@@ -18,6 +18,7 @@
# CHECK-NEXT: ":"
# CHECK-NEXT: ]
# CHECK-NEXT: },
+# CHECK-NEXT: "configurationChangeProvider": true,
# CHECK-NEXT: "definitionProvider": true,
# CHECK-NEXT: "documentFormattingProvider": true,
# CHECK-NEXT: "documentOnTypeFormattingProvider": {
Index: test/clangd/initialize-params.test
===================================================================
--- test/clangd/initialize-params.test
+++ test/clangd/initialize-params.test
@@ -18,6 +18,7 @@
# CHECK-NEXT: ":"
# CHECK-NEXT: ]
# CHECK-NEXT: },
+# CHECK-NEXT: "configurationChangeProvider": true,
# CHECK-NEXT: "definitionProvider": true,
# CHECK-NEXT: "documentFormattingProvider": true,
# CHECK-NEXT: "documentOnTypeFormattingProvider": {