[clang-tools-extra] 8392685 - [clangd] Mark code action as "preferred" if it's the sole quickfix action
Sam McCall via cfe-commits
cfe-commits at lists.llvm.org
Wed Sep 30 01:22:56 PDT 2020
Author: Sam McCall
Date: 2020-09-30T10:11:30+02:00
New Revision: 8392685c2b9f3c2025100dd25b6c6e5eae312d92
URL: https://github.com/llvm/llvm-project/commit/8392685c2b9f3c2025100dd25b6c6e5eae312d92
DIFF: https://github.com/llvm/llvm-project/commit/8392685c2b9f3c2025100dd25b6c6e5eae312d92.diff
LOG: [clangd] Mark code action as "preferred" if it's the sole quickfix action
Differential Revision: https://reviews.llvm.org/D88489
Added:
Modified:
clang-tools-extra/clangd/ClangdLSPServer.cpp
clang-tools-extra/clangd/Diagnostics.cpp
clang-tools-extra/clangd/Protocol.cpp
clang-tools-extra/clangd/Protocol.h
clang-tools-extra/clangd/test/fixits-embed-in-diagnostic.test
Removed:
################################################################################
diff --git a/clang-tools-extra/clangd/ClangdLSPServer.cpp b/clang-tools-extra/clangd/ClangdLSPServer.cpp
index a85736b94830..4d9c0a43d68d 100644
--- a/clang-tools-extra/clangd/ClangdLSPServer.cpp
+++ b/clang-tools-extra/clangd/ClangdLSPServer.cpp
@@ -1007,6 +1007,20 @@ void ClangdLSPServer::onCodeAction(const CodeActionParams &Params,
for (const auto &T : *Tweaks)
Actions.push_back(toCodeAction(T, File, Selection));
+ // If there's exactly one quick-fix, call it "preferred".
+ // We never consider refactorings etc as preferred.
+ CodeAction *OnlyFix = nullptr;
+ for (auto &Action : Actions) {
+ if (Action.kind && *Action.kind == CodeAction::QUICKFIX_KIND) {
+ if (OnlyFix) {
+ OnlyFix->isPreferred = false;
+ break;
+ }
+ Action.isPreferred = true;
+ OnlyFix = &Action;
+ }
+ }
+
if (SupportsCodeAction)
return Reply(llvm::json::Array(Actions));
std::vector<Command> Commands;
diff --git a/clang-tools-extra/clangd/Diagnostics.cpp b/clang-tools-extra/clangd/Diagnostics.cpp
index afa72f9d4051..ca3d6c5f8ca9 100644
--- a/clang-tools-extra/clangd/Diagnostics.cpp
+++ b/clang-tools-extra/clangd/Diagnostics.cpp
@@ -411,6 +411,8 @@ void toLSPDiags(
Main.codeActions.emplace();
for (const auto &Fix : D.Fixes)
Main.codeActions->push_back(toCodeAction(Fix, File));
+ if (Main.codeActions->size() == 1)
+ Main.codeActions->front().isPreferred = true;
}
if (Opts.SendDiagnosticCategory && !D.Category.empty())
Main.category = D.Category;
diff --git a/clang-tools-extra/clangd/Protocol.cpp b/clang-tools-extra/clangd/Protocol.cpp
index 00ac071f496a..61a691f2048f 100644
--- a/clang-tools-extra/clangd/Protocol.cpp
+++ b/clang-tools-extra/clangd/Protocol.cpp
@@ -740,6 +740,8 @@ llvm::json::Value toJSON(const CodeAction &CA) {
CodeAction["kind"] = *CA.kind;
if (CA.diagnostics)
CodeAction["diagnostics"] = llvm::json::Array(*CA.diagnostics);
+ if (CA.isPreferred)
+ CodeAction["isPreferred"] = true;
if (CA.edit)
CodeAction["edit"] = *CA.edit;
if (CA.command)
diff --git a/clang-tools-extra/clangd/Protocol.h b/clang-tools-extra/clangd/Protocol.h
index 3f717e8467fc..4ef94e6e01db 100644
--- a/clang-tools-extra/clangd/Protocol.h
+++ b/clang-tools-extra/clangd/Protocol.h
@@ -952,6 +952,13 @@ struct CodeAction {
/// The diagnostics that this code action resolves.
llvm::Optional<std::vector<Diagnostic>> diagnostics;
+ /// Marks this as a preferred action. Preferred actions are used by the
+ /// `auto fix` command and can be targeted by keybindings.
+ /// A quick fix should be marked preferred if it properly addresses the
+ /// underlying error. A refactoring should be marked preferred if it is the
+ /// most reasonable choice of actions to take.
+ bool isPreferred = false;
+
/// The workspace edit this code action performs.
llvm::Optional<WorkspaceEdit> edit;
diff --git a/clang-tools-extra/clangd/test/fixits-embed-in-diagnostic.test b/clang-tools-extra/clangd/test/fixits-embed-in-diagnostic.test
index cfa47210d7d8..debe4dfa5e78 100644
--- a/clang-tools-extra/clangd/test/fixits-embed-in-diagnostic.test
+++ b/clang-tools-extra/clangd/test/fixits-embed-in-diagnostic.test
@@ -28,6 +28,7 @@
# CHECK-NEXT: ]
# CHECK-NEXT: }
# CHECK-NEXT: },
+# CHECK-NEXT: "isPreferred": true,
# CHECK-NEXT: "kind": "quickfix",
# CHECK-NEXT: "title": "change 'union' to 'struct'"
# CHECK-NEXT: }
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