Index: clangd/Diagnostics.h
===================================================================
--- clangd/Diagnostics.h
+++ clangd/Diagnostics.h
@@ -64,6 +64,8 @@
/// A top-level diagnostic that may have Notes and Fixes.
struct Diag : DiagBase {
+ // Diagnostic enum ID (member of clang::diag).
+ unsigned ID;
/// Elaborate on the problem, usually pointing to a related piece of code.
std::vector<Note> Notes;
/// *Alternative* fixes for this diagnostic, one should be chosen.
Index: clangd/Diagnostics.cpp
===================================================================
--- clangd/Diagnostics.cpp
+++ clangd/Diagnostics.cpp
@@ -10,6 +10,8 @@
#include "Compiler.h"
#include "Logger.h"
#include "SourceCode.h"
+#include "clang/Basic/AllDiagnostics.h"
+#include "clang/Basic/DiagnosticIDs.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Lex/Lexer.h"
#include "llvm/Support/Capacity.h"
@@ -18,9 +20,31 @@
namespace clang {
namespace clangd {
-
namespace {
+const char* getDiagnosticCode(unsigned ID) {
+ switch (ID) {
+#define DIAG(ENUM, CLASS, DEFAULT_MAPPING, DESC, GROPU, SFINAE, NOWERROR, \
+ SHOWINSYSHEADER, CATEGORY) \
+ case clang::diag::ENUM: \
+ return #ENUM;
+#include "clang/Basic/DiagnosticCommonKinds.inc"
+#include "clang/Basic/DiagnosticDriverKinds.inc"
+#include "clang/Basic/DiagnosticFrontendKinds.inc"
+#include "clang/Basic/DiagnosticSerializationKinds.inc"
+#include "clang/Basic/DiagnosticLexKinds.inc"
+#include "clang/Basic/DiagnosticParseKinds.inc"
+#include "clang/Basic/DiagnosticASTKinds.inc"
+#include "clang/Basic/DiagnosticCommentKinds.inc"
+#include "clang/Basic/DiagnosticSemaKinds.inc"
+#include "clang/Basic/DiagnosticAnalysisKinds.inc"
+#include "clang/Basic/DiagnosticRefactoringKinds.inc"
+#undef DIAG
+ default:
+ return nullptr;
+ }
+}
+
bool mentionsMainFile(const Diag &D) {
if (D.InsideMainFile)
return true;
@@ -253,6 +277,8 @@
{
clangd::Diagnostic Main = FillBasicFields(D);
Main.message = mainMessage(D);
+ if (auto* Name = getDiagnosticCode(D.ID))
+ Main.code = Name;
if (Opts.EmbedFixesInDiagnostics) {
Main.codeActions.emplace();
for (const auto &Fix : D.Fixes)
@@ -372,6 +398,7 @@
flushLastDiag();
LastDiag = Diag();
+ LastDiag->ID = Info.getID();
FillDiagBase(*LastDiag);
if (!Info.getFixItHints().empty())
Index: clangd/Protocol.h
===================================================================
--- clangd/Protocol.h
+++ clangd/Protocol.h
@@ -566,8 +566,7 @@
int severity = 0;
/// The diagnostic's code. Can be omitted.
- /// Note: Not currently used by clangd
- // std::string code;
+ std::string code;
/// A human-readable string describing the source of this
/// diagnostic, e.g. 'typescript' or 'super lint'.
Index: clangd/Protocol.cpp
===================================================================
--- clangd/Protocol.cpp
+++ clangd/Protocol.cpp
@@ -369,6 +369,8 @@
Diag["category"] = *D.category;
if (D.codeActions)
Diag["codeActions"] = D.codeActions;
+ if (!D.code.empty())
+ Diag["code"] = D.code;
return std::move(Diag);
}
@@ -378,6 +380,7 @@
return false;
O.map("severity", R.severity);
O.map("category", R.category);
+ O.map("code", R.code);
return true;
}
Index: test/clangd/compile-commands-path-in-initialize.test
===================================================================
--- test/clangd/compile-commands-path-in-initialize.test
+++ test/clangd/compile-commands-path-in-initialize.test
@@ -21,6 +21,7 @@
# CHECK-NEXT: "params": {
# CHECK-NEXT: "diagnostics": [
# CHECK-NEXT: {
+# CHECK-NEXT: "code": "warn_pragma_message",
# CHECK-NEXT: "message": "MACRO is one",
---
{"jsonrpc":"2.0","id":10000,"method":"shutdown"}
Index: test/clangd/diagnostic-category.test
===================================================================
--- test/clangd/diagnostic-category.test
+++ test/clangd/diagnostic-category.test
@@ -7,6 +7,7 @@
# CHECK-NEXT: "diagnostics": [
# CHECK-NEXT: {
# CHECK-NEXT: "category": "Semantic Issue",
+# CHECK-NEXT: "code": "err_use_with_wrong_tag",
# CHECK-NEXT: "message": "Use of 'Point' with tag type that does not match previous declaration (fix available)\n\nfoo.c:1:8: note: previous use is here",
# CHECK-NEXT: "range": {
# CHECK-NEXT: "end": {
Index: test/clangd/diagnostics.test
===================================================================
--- test/clangd/diagnostics.test
+++ test/clangd/diagnostics.test
@@ -6,6 +6,7 @@
# CHECK-NEXT: "params": {
# CHECK-NEXT: "diagnostics": [
# CHECK-NEXT: {
+# CHECK-NEXT: "code": "ext_main_returns_nonint",
# CHECK-NEXT: "message": "Return type of 'main' is not 'int' (fix available)",
# CHECK-NEXT: "range": {
# CHECK-NEXT: "end": {
Index: test/clangd/did-change-configuration-params.test
===================================================================
--- test/clangd/did-change-configuration-params.test
+++ test/clangd/did-change-configuration-params.test
@@ -24,6 +24,7 @@
# CHECK-NEXT: "params": {
# CHECK-NEXT: "diagnostics": [
# CHECK-NEXT: {
+# CHECK-NEXT: "code": "warn_uninit_var",
# CHECK-NEXT: "message": "Variable 'i' is uninitialized when used here (fix available)",
# CHECK-NEXT: "range": {
# CHECK-NEXT: "end": {
Index: test/clangd/execute-command.test
===================================================================
--- test/clangd/execute-command.test
+++ test/clangd/execute-command.test
@@ -6,6 +6,7 @@
# CHECK-NEXT: "params": {
# CHECK-NEXT: "diagnostics": [
# CHECK-NEXT: {
+# CHECK-NEXT: "code": "warn_condition_is_assignment",
# CHECK-NEXT: "message": "Using the result of an assignment as a condition without parentheses (fixes available)",
# CHECK-NEXT: "range": {
# CHECK-NEXT: "end": {
Index: test/clangd/fixits-codeaction.test
===================================================================
--- test/clangd/fixits-codeaction.test
+++ test/clangd/fixits-codeaction.test
@@ -6,6 +6,7 @@
# CHECK-NEXT: "params": {
# CHECK-NEXT: "diagnostics": [
# CHECK-NEXT: {
+# CHECK-NEXT: "code": "warn_condition_is_assignment",
# CHECK-NEXT: "message": "Using the result of an assignment as a condition without parentheses (fixes available)",
# CHECK-NEXT: "range": {
# CHECK-NEXT: "end": {
@@ -23,13 +24,14 @@
# CHECK-NEXT: "uri": "file://{{.*}}/foo.c"
# CHECK-NEXT: }
---
-{"jsonrpc":"2.0","id":2,"method":"textDocument/codeAction","params":{"textDocument":{"uri":"test:///foo.c"},"range":{"start":{"line":0,"character":13},"end":{"line":0,"character":35}},"context":{"diagnostics":[{"range":{"start": {"line": 0, "character": 32}, "end": {"line": 0, "character": 37}},"severity":2,"message":"Using the result of an assignment as a condition without parentheses (fixes available)"}]}}}
+{"jsonrpc":"2.0","id":2,"method":"textDocument/codeAction","params":{"textDocument":{"uri":"test:///foo.c"},"range":{"start":{"line":0,"character":13},"end":{"line":0,"character":35}},"context":{"diagnostics":[{"range":{"start": {"line": 0, "character": 32}, "end": {"line": 0, "character": 37}},"severity":2,"message":"Using the result of an assignment as a condition without parentheses (fixes available)", "code": "warn_condition_is_assignment"}]}}}
# CHECK: "id": 2,
# CHECK-NEXT: "jsonrpc": "2.0",
# CHECK-NEXT: "result": [
# CHECK-NEXT: {
# CHECK-NEXT: "diagnostics": [
# CHECK-NEXT: {
+# CHECK-NEXT: "code": "warn_condition_is_assignment",
# CHECK-NEXT: "message": "Using the result of an assignment as a condition without parentheses (fixes available)",
# CHECK-NEXT: "range": {
# CHECK-NEXT: "end": {
@@ -82,6 +84,7 @@
# CHECK-NEXT: {
# CHECK-NEXT: "diagnostics": [
# CHECK-NEXT: {
+# CHECK-NEXT: "code": "warn_condition_is_assignment",
# CHECK-NEXT: "message": "Using the result of an assignment as a condition without parentheses (fixes available)",
# CHECK-NEXT: "range": {
# CHECK-NEXT: "end": {
Index: test/clangd/fixits-command.test
===================================================================
--- test/clangd/fixits-command.test
+++ test/clangd/fixits-command.test
@@ -6,6 +6,7 @@
# CHECK-NEXT: "params": {
# CHECK-NEXT: "diagnostics": [
# CHECK-NEXT: {
+# CHECK-NEXT: "code": "warn_condition_is_assignment",
# CHECK-NEXT: "message": "Using the result of an assignment as a condition without parentheses (fixes available)",
# CHECK-NEXT: "range": {
# CHECK-NEXT: "end": {
Index: test/clangd/fixits-embed-in-diagnostic.test
===================================================================
--- test/clangd/fixits-embed-in-diagnostic.test
+++ test/clangd/fixits-embed-in-diagnostic.test
@@ -6,6 +6,7 @@
# CHECK-NEXT: "params": {
# CHECK-NEXT: "diagnostics": [
# CHECK-NEXT: {
+# CHECK-NEXT: "code": "err_use_with_wrong_tag",
# CHECK-NEXT: "codeActions": [
# CHECK-NEXT: {
# CHECK-NEXT: "edit": {
Index: unittests/clangd/DiagnosticsTests.cpp
===================================================================
--- unittests/clangd/DiagnosticsTests.cpp
+++ unittests/clangd/DiagnosticsTests.cpp
@@ -12,6 +12,7 @@
#include "TestIndex.h"
#include "TestTU.h"
#include "index/MemIndex.h"
+#include "clang/Basic/DiagnosticSema.h"
#include "llvm/Support/ScopedPrinter.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
@@ -216,6 +217,7 @@
TEST(DiagnosticsTest, ToLSP) {
clangd::Diag D;
+ D.ID = clang::diag::err_enum_class_reference;
D.Message = "something terrible happened";
D.Range = {pos(1, 2), pos(3, 4)};
D.InsideMainFile = true;
@@ -284,6 +286,8 @@
LSPDiags,
ElementsAre(Pair(EqualToLSPDiag(MainLSP), ElementsAre(EqualToFix(F))),
Pair(EqualToLSPDiag(NoteInMainLSP), IsEmpty())));
+ EXPECT_EQ(LSPDiags[0].first.code, "err_enum_class_reference");
+ EXPECT_EQ(LSPDiags[1].first.code, "");
}
struct SymbolWithHeader {