[flang-commits] [clang] [clang-tools-extra] [flang] Reapply "[clang] Extend diagnose_if to accept more detailed warning information (#70976)" (PR #108453)
Nikolas Klauser via flang-commits
flang-commits at lists.llvm.org
Thu Sep 12 13:56:15 PDT 2024
https://github.com/philnik777 created https://github.com/llvm/llvm-project/pull/108453
This reverts commit e0cd11eba526234ca14a0b91f5598ca3363b6aca.
Fix flang
>From b429f137f3c1e2b2a72c9f3f444f6d43a8b5e35d Mon Sep 17 00:00:00 2001
From: Nikolas Klauser <nikolasklauser at berlin.de>
Date: Thu, 12 Sep 2024 21:27:27 +0200
Subject: [PATCH] Reapply "[clang] Extend diagnose_if to accept more detailed
warning information (#70976)"
This reverts commit e0cd11eba526234ca14a0b91f5598ca3363b6aca.
Fix flang
---
clang-tools-extra/clangd/Diagnostics.cpp | 27 +-
clang-tools-extra/clangd/Diagnostics.h | 8 +-
clang-tools-extra/clangd/ParsedAST.cpp | 6 +-
clang-tools-extra/clangd/Preamble.cpp | 4 +-
.../clangd/unittests/ConfigCompileTests.cpp | 47 ++-
clang/include/clang/Basic/Attr.td | 12 +-
clang/include/clang/Basic/Diagnostic.h | 8 +-
.../clang/Basic/DiagnosticCategories.h | 5 +-
clang/include/clang/Basic/DiagnosticIDs.h | 153 ++++++++--
.../clang/Basic/DiagnosticSemaKinds.td | 6 +
clang/lib/Basic/Diagnostic.cpp | 22 +-
clang/lib/Basic/DiagnosticIDs.cpp | 280 ++++++++++--------
clang/lib/Frontend/LogDiagnosticPrinter.cpp | 4 +-
.../Frontend/SerializedDiagnosticPrinter.cpp | 12 +-
clang/lib/Frontend/TextDiagnosticPrinter.cpp | 10 +-
clang/lib/Sema/Sema.cpp | 5 +-
clang/lib/Sema/SemaCUDA.cpp | 4 +-
clang/lib/Sema/SemaDeclAttr.cpp | 26 +-
clang/lib/Sema/SemaOverload.cpp | 32 +-
.../lib/Sema/SemaTemplateInstantiateDecl.cpp | 3 +-
clang/lib/Serialization/ASTReader.cpp | 2 +-
clang/lib/Serialization/ASTWriter.cpp | 2 +-
.../StaticAnalyzer/Core/TextDiagnostics.cpp | 1 -
clang/test/Sema/diagnose_if.c | 8 +-
.../SemaCXX/diagnose_if-warning-group.cpp | 63 ++++
clang/tools/diagtool/ListWarnings.cpp | 7 +-
clang/tools/diagtool/ShowEnabledWarnings.cpp | 6 +-
clang/tools/libclang/CXStoredDiagnostic.cpp | 4 +-
flang/lib/Frontend/TextDiagnosticPrinter.cpp | 4 +-
29 files changed, 546 insertions(+), 225 deletions(-)
create mode 100644 clang/test/SemaCXX/diagnose_if-warning-group.cpp
diff --git a/clang-tools-extra/clangd/Diagnostics.cpp b/clang-tools-extra/clangd/Diagnostics.cpp
index d5eca083eb6512..552dd36b6900bf 100644
--- a/clang-tools-extra/clangd/Diagnostics.cpp
+++ b/clang-tools-extra/clangd/Diagnostics.cpp
@@ -579,7 +579,17 @@ std::vector<Diag> StoreDiags::take(const clang::tidy::ClangTidyContext *Tidy) {
for (auto &Diag : Output) {
if (const char *ClangDiag = getDiagnosticCode(Diag.ID)) {
// Warnings controlled by -Wfoo are better recognized by that name.
- StringRef Warning = DiagnosticIDs::getWarningOptionForDiag(Diag.ID);
+ const StringRef Warning = [&] {
+ if (OrigSrcMgr) {
+ return OrigSrcMgr->getDiagnostics()
+ .getDiagnosticIDs()
+ ->getWarningOptionForDiag(Diag.ID);
+ }
+ if (!DiagnosticIDs::IsCustomDiag(Diag.ID))
+ return DiagnosticIDs{}.getWarningOptionForDiag(Diag.ID);
+ return StringRef{};
+ }();
+
if (!Warning.empty()) {
Diag.Name = ("-W" + Warning).str();
} else {
@@ -896,20 +906,23 @@ void StoreDiags::flushLastDiag() {
Output.push_back(std::move(*LastDiag));
}
-bool isBuiltinDiagnosticSuppressed(unsigned ID,
- const llvm::StringSet<> &Suppress,
- const LangOptions &LangOpts) {
+bool isDiagnosticSuppressed(const clang::Diagnostic &Diag,
+ const llvm::StringSet<> &Suppress,
+ const LangOptions &LangOpts) {
// Don't complain about header-only stuff in mainfiles if it's a header.
// FIXME: would be cleaner to suppress in clang, once we decide whether the
// behavior should be to silently-ignore or respect the pragma.
- if (ID == diag::pp_pragma_sysheader_in_main_file && LangOpts.IsHeaderFile)
+ if (Diag.getID() == diag::pp_pragma_sysheader_in_main_file &&
+ LangOpts.IsHeaderFile)
return true;
- if (const char *CodePtr = getDiagnosticCode(ID)) {
+ if (const char *CodePtr = getDiagnosticCode(Diag.getID())) {
if (Suppress.contains(normalizeSuppressedCode(CodePtr)))
return true;
}
- StringRef Warning = DiagnosticIDs::getWarningOptionForDiag(ID);
+ StringRef Warning =
+ Diag.getDiags()->getDiagnosticIDs()->getWarningOptionForDiag(
+ Diag.getID());
if (!Warning.empty() && Suppress.contains(Warning))
return true;
return false;
diff --git a/clang-tools-extra/clangd/Diagnostics.h b/clang-tools-extra/clangd/Diagnostics.h
index d4c0478c63a5cf..c45d8dc3aa6ce6 100644
--- a/clang-tools-extra/clangd/Diagnostics.h
+++ b/clang-tools-extra/clangd/Diagnostics.h
@@ -181,11 +181,11 @@ class StoreDiags : public DiagnosticConsumer {
};
/// Determine whether a (non-clang-tidy) diagnostic is suppressed by config.
-bool isBuiltinDiagnosticSuppressed(unsigned ID,
- const llvm::StringSet<> &Suppressed,
- const LangOptions &);
+bool isDiagnosticSuppressed(const clang::Diagnostic &Diag,
+ const llvm::StringSet<> &Suppressed,
+ const LangOptions &);
/// Take a user-specified diagnostic code, and convert it to a normalized form
-/// stored in the config and consumed by isBuiltinDiagnosticsSuppressed.
+/// stored in the config and consumed by isDiagnosticsSuppressed.
///
/// (This strips err_ and -W prefix so we can match with or without them.)
llvm::StringRef normalizeSuppressedCode(llvm::StringRef);
diff --git a/clang-tools-extra/clangd/ParsedAST.cpp b/clang-tools-extra/clangd/ParsedAST.cpp
index a8b6cc8dd0a46f..4491be9aa0362b 100644
--- a/clang-tools-extra/clangd/ParsedAST.cpp
+++ b/clang-tools-extra/clangd/ParsedAST.cpp
@@ -340,7 +340,7 @@ void applyWarningOptions(llvm::ArrayRef<std::string> ExtraArgs,
if (Enable) {
if (Diags.getDiagnosticLevel(ID, SourceLocation()) <
DiagnosticsEngine::Warning) {
- auto Group = DiagnosticIDs::getGroupForDiag(ID);
+ auto Group = Diags.getDiagnosticIDs()->getGroupForDiag(ID);
if (!Group || !EnabledGroups(*Group))
continue;
Diags.setSeverity(ID, diag::Severity::Warning, SourceLocation());
@@ -583,8 +583,8 @@ ParsedAST::build(llvm::StringRef Filename, const ParseInputs &Inputs,
ASTDiags.setLevelAdjuster([&](DiagnosticsEngine::Level DiagLevel,
const clang::Diagnostic &Info) {
if (Cfg.Diagnostics.SuppressAll ||
- isBuiltinDiagnosticSuppressed(Info.getID(), Cfg.Diagnostics.Suppress,
- Clang->getLangOpts()))
+ isDiagnosticSuppressed(Info, Cfg.Diagnostics.Suppress,
+ Clang->getLangOpts()))
return DiagnosticsEngine::Ignored;
auto It = OverriddenSeverity.find(Info.getID());
diff --git a/clang-tools-extra/clangd/Preamble.cpp b/clang-tools-extra/clangd/Preamble.cpp
index dd13b1a9e5613d..84e8fec342829c 100644
--- a/clang-tools-extra/clangd/Preamble.cpp
+++ b/clang-tools-extra/clangd/Preamble.cpp
@@ -621,8 +621,8 @@ buildPreamble(PathRef FileName, CompilerInvocation CI,
PreambleDiagnostics.setLevelAdjuster([&](DiagnosticsEngine::Level DiagLevel,
const clang::Diagnostic &Info) {
if (Cfg.Diagnostics.SuppressAll ||
- isBuiltinDiagnosticSuppressed(Info.getID(), Cfg.Diagnostics.Suppress,
- CI.getLangOpts()))
+ isDiagnosticSuppressed(Info, Cfg.Diagnostics.Suppress,
+ CI.getLangOpts()))
return DiagnosticsEngine::Ignored;
switch (Info.getID()) {
case diag::warn_no_newline_eof:
diff --git a/clang-tools-extra/clangd/unittests/ConfigCompileTests.cpp b/clang-tools-extra/clangd/unittests/ConfigCompileTests.cpp
index 4ecfdf0184ab40..a812bac0338aa7 100644
--- a/clang-tools-extra/clangd/unittests/ConfigCompileTests.cpp
+++ b/clang-tools-extra/clangd/unittests/ConfigCompileTests.cpp
@@ -298,20 +298,41 @@ TEST_F(ConfigCompileTests, DiagnosticSuppression) {
"unreachable-code", "unused-variable",
"typecheck_bool_condition",
"unexpected_friend", "warn_alloca"));
- EXPECT_TRUE(isBuiltinDiagnosticSuppressed(
- diag::warn_unreachable, Conf.Diagnostics.Suppress, LangOptions()));
+ clang::DiagnosticsEngine DiagEngine(nullptr, nullptr,
+ new clang::IgnoringDiagConsumer);
+
+ using Diag = clang::Diagnostic;
+ {
+ auto D = DiagEngine.Report(diag::warn_unreachable);
+ EXPECT_TRUE(isDiagnosticSuppressed(
+ Diag{&DiagEngine}, Conf.Diagnostics.Suppress, LangOptions()));
+ }
// Subcategory not respected/suppressed.
- EXPECT_FALSE(isBuiltinDiagnosticSuppressed(
- diag::warn_unreachable_break, Conf.Diagnostics.Suppress, LangOptions()));
- EXPECT_TRUE(isBuiltinDiagnosticSuppressed(
- diag::warn_unused_variable, Conf.Diagnostics.Suppress, LangOptions()));
- EXPECT_TRUE(isBuiltinDiagnosticSuppressed(diag::err_typecheck_bool_condition,
- Conf.Diagnostics.Suppress,
- LangOptions()));
- EXPECT_TRUE(isBuiltinDiagnosticSuppressed(
- diag::err_unexpected_friend, Conf.Diagnostics.Suppress, LangOptions()));
- EXPECT_TRUE(isBuiltinDiagnosticSuppressed(
- diag::warn_alloca, Conf.Diagnostics.Suppress, LangOptions()));
+ {
+ auto D = DiagEngine.Report(diag::warn_unreachable_break);
+ EXPECT_FALSE(isDiagnosticSuppressed(
+ Diag{&DiagEngine}, Conf.Diagnostics.Suppress, LangOptions()));
+ }
+ {
+ auto D = DiagEngine.Report(diag::warn_unused_variable);
+ EXPECT_TRUE(isDiagnosticSuppressed(
+ Diag{&DiagEngine}, Conf.Diagnostics.Suppress, LangOptions()));
+ }
+ {
+ auto D = DiagEngine.Report(diag::err_typecheck_bool_condition);
+ EXPECT_TRUE(isDiagnosticSuppressed(
+ Diag{&DiagEngine}, Conf.Diagnostics.Suppress, LangOptions()));
+ }
+ {
+ auto D = DiagEngine.Report(diag::err_unexpected_friend);
+ EXPECT_TRUE(isDiagnosticSuppressed(
+ Diag{&DiagEngine}, Conf.Diagnostics.Suppress, LangOptions()));
+ }
+ {
+ auto D = DiagEngine.Report(diag::warn_alloca);
+ EXPECT_TRUE(isDiagnosticSuppressed(
+ Diag{&DiagEngine}, Conf.Diagnostics.Suppress, LangOptions()));
+ }
Frag.Diagnostics.Suppress.emplace_back("*");
EXPECT_TRUE(compileAndApply());
diff --git a/clang/include/clang/Basic/Attr.td b/clang/include/clang/Basic/Attr.td
index 9a7b163b2c6da8..70fad60d4edbb5 100644
--- a/clang/include/clang/Basic/Attr.td
+++ b/clang/include/clang/Basic/Attr.td
@@ -3358,18 +3358,16 @@ def DiagnoseIf : InheritableAttr {
let Spellings = [GNU<"diagnose_if">];
let Subjects = SubjectList<[Function, ObjCMethod, ObjCProperty]>;
let Args = [ExprArgument<"Cond">, StringArgument<"Message">,
- EnumArgument<"DiagnosticType", "DiagnosticType",
+ EnumArgument<"DefaultSeverity",
+ "DefaultSeverity",
/*is_string=*/true,
- ["error", "warning"],
- ["DT_Error", "DT_Warning"]>,
+ ["error", "warning"],
+ ["DS_error", "DS_warning"]>,
+ StringArgument<"WarningGroup", /*optional*/ 1>,
BoolArgument<"ArgDependent", 0, /*fake*/ 1>,
DeclArgument<Named, "Parent", 0, /*fake*/ 1>];
let InheritEvenIfAlreadyPresent = 1;
let LateParsed = LateAttrParseStandard;
- let AdditionalMembers = [{
- bool isError() const { return diagnosticType == DT_Error; }
- bool isWarning() const { return diagnosticType == DT_Warning; }
- }];
let TemplateDependent = 1;
let Documentation = [DiagnoseIfDocs];
}
diff --git a/clang/include/clang/Basic/Diagnostic.h b/clang/include/clang/Basic/Diagnostic.h
index 0c7836c2ea569c..54b69e98540239 100644
--- a/clang/include/clang/Basic/Diagnostic.h
+++ b/clang/include/clang/Basic/Diagnostic.h
@@ -336,10 +336,12 @@ class DiagnosticsEngine : public RefCountedBase<DiagnosticsEngine> {
// Map extensions to warnings or errors?
diag::Severity ExtBehavior = diag::Severity::Ignored;
- DiagState()
+ DiagnosticIDs &DiagIDs;
+
+ DiagState(DiagnosticIDs &DiagIDs)
: IgnoreAllWarnings(false), EnableAllWarnings(false),
WarningsAsErrors(false), ErrorsAsFatal(false),
- SuppressSystemWarnings(false) {}
+ SuppressSystemWarnings(false), DiagIDs(DiagIDs) {}
using iterator = llvm::DenseMap<unsigned, DiagnosticMapping>::iterator;
using const_iterator =
@@ -870,6 +872,8 @@ class DiagnosticsEngine : public RefCountedBase<DiagnosticsEngine> {
/// \param FormatString A fixed diagnostic format string that will be hashed
/// and mapped to a unique DiagID.
template <unsigned N>
+ // TODO: Deprecate this once all uses are removed from LLVM
+ // [[deprecated("Use a CustomDiagDesc instead of a Level")]]
unsigned getCustomDiagID(Level L, const char (&FormatString)[N]) {
return Diags->getCustomDiagID((DiagnosticIDs::Level)L,
StringRef(FormatString, N - 1));
diff --git a/clang/include/clang/Basic/DiagnosticCategories.h b/clang/include/clang/Basic/DiagnosticCategories.h
index 14be326f7515f8..839f8dee3ca89f 100644
--- a/clang/include/clang/Basic/DiagnosticCategories.h
+++ b/clang/include/clang/Basic/DiagnosticCategories.h
@@ -21,11 +21,12 @@ namespace clang {
};
enum class Group {
-#define DIAG_ENTRY(GroupName, FlagNameOffset, Members, SubGroups, Docs) \
- GroupName,
+#define DIAG_ENTRY(GroupName, FlagNameOffset, Members, SubGroups, Docs) \
+ GroupName,
#include "clang/Basic/DiagnosticGroups.inc"
#undef CATEGORY
#undef DIAG_ENTRY
+ NUM_GROUPS
};
} // end namespace diag
} // end namespace clang
diff --git a/clang/include/clang/Basic/DiagnosticIDs.h b/clang/include/clang/Basic/DiagnosticIDs.h
index 8b976bdac6dc51..2402996ece5c94 100644
--- a/clang/include/clang/Basic/DiagnosticIDs.h
+++ b/clang/include/clang/Basic/DiagnosticIDs.h
@@ -14,6 +14,7 @@
#ifndef LLVM_CLANG_BASIC_DIAGNOSTICIDS_H
#define LLVM_CLANG_BASIC_DIAGNOSTICIDS_H
+#include "clang/Basic/DiagnosticCategories.h"
#include "clang/Basic/LLVM.h"
#include "llvm/ADT/IntrusiveRefCntPtr.h"
#include "llvm/ADT/StringRef.h"
@@ -82,7 +83,7 @@ namespace clang {
/// to either Ignore (nothing), Remark (emit a remark), Warning
/// (emit a warning) or Error (emit as an error). It allows clients to
/// map ERRORs to Error or Fatal (stop emitting diagnostics after this one).
- enum class Severity {
+ enum class Severity : uint8_t {
// NOTE: 0 means "uncomputed".
Ignored = 1, ///< Do not present this diagnostic, ignore it.
Remark = 2, ///< Present this diagnostic as a remark.
@@ -179,13 +180,96 @@ class DiagnosticMapping {
class DiagnosticIDs : public RefCountedBase<DiagnosticIDs> {
public:
/// The level of the diagnostic, after it has been through mapping.
- enum Level {
- Ignored, Note, Remark, Warning, Error, Fatal
+ enum Level : uint8_t { Ignored, Note, Remark, Warning, Error, Fatal };
+
+ // Diagnostic classes.
+ enum Class {
+ CLASS_INVALID = 0x00,
+ CLASS_NOTE = 0x01,
+ CLASS_REMARK = 0x02,
+ CLASS_WARNING = 0x03,
+ CLASS_EXTENSION = 0x04,
+ CLASS_ERROR = 0x05
+ };
+
+ static bool IsCustomDiag(diag::kind Diag) {
+ return Diag >= diag::DIAG_UPPER_LIMIT;
+ }
+
+ class CustomDiagDesc {
+ LLVM_PREFERRED_TYPE(diag::Severity)
+ unsigned DefaultSeverity : 3;
+ LLVM_PREFERRED_TYPE(Class)
+ unsigned DiagClass : 3;
+ LLVM_PREFERRED_TYPE(bool)
+ unsigned ShowInSystemHeader : 1;
+ LLVM_PREFERRED_TYPE(bool)
+ unsigned ShowInSystemMacro : 1;
+ LLVM_PREFERRED_TYPE(bool)
+ unsigned HasGroup : 1;
+ diag::Group Group;
+ std::string Description;
+
+ auto get_as_tuple() const {
+ return std::tuple(DefaultSeverity, DiagClass, ShowInSystemHeader,
+ ShowInSystemMacro, HasGroup, Group,
+ std::string_view{Description});
+ }
+
+ public:
+ CustomDiagDesc(diag::Severity DefaultSeverity, std::string Description,
+ unsigned Class = CLASS_WARNING,
+ bool ShowInSystemHeader = false,
+ bool ShowInSystemMacro = false,
+ std::optional<diag::Group> Group = std::nullopt)
+ : DefaultSeverity(static_cast<unsigned>(DefaultSeverity)),
+ DiagClass(Class), ShowInSystemHeader(ShowInSystemHeader),
+ ShowInSystemMacro(ShowInSystemMacro), HasGroup(Group != std::nullopt),
+ Group(Group.value_or(diag::Group{})),
+ Description(std::move(Description)) {}
+
+ std::optional<diag::Group> GetGroup() const {
+ if (HasGroup)
+ return Group;
+ return std::nullopt;
+ }
+
+ diag::Severity GetDefaultSeverity() const {
+ return static_cast<diag::Severity>(DefaultSeverity);
+ }
+
+ Class GetClass() const { return static_cast<Class>(DiagClass); }
+ std::string_view GetDescription() const { return Description; }
+ bool ShouldShowInSystemHeader() const { return ShowInSystemHeader; }
+
+ friend bool operator==(const CustomDiagDesc &lhs,
+ const CustomDiagDesc &rhs) {
+ return lhs.get_as_tuple() == rhs.get_as_tuple();
+ }
+
+ friend bool operator<(const CustomDiagDesc &lhs,
+ const CustomDiagDesc &rhs) {
+ return lhs.get_as_tuple() < rhs.get_as_tuple();
+ }
+ };
+
+ struct GroupInfo {
+ LLVM_PREFERRED_TYPE(diag::Severity)
+ unsigned Severity : 3;
+ LLVM_PREFERRED_TYPE(bool)
+ unsigned HasNoWarningAsError : 1;
};
private:
/// Information for uniquing and looking up custom diags.
std::unique_ptr<diag::CustomDiagInfo> CustomDiagInfo;
+ std::unique_ptr<GroupInfo[]> GroupInfos = []() {
+ auto GIs = std::make_unique<GroupInfo[]>(
+ static_cast<size_t>(diag::Group::NUM_GROUPS));
+ for (size_t i = 0; i != static_cast<size_t>(diag::Group::NUM_GROUPS); ++i)
+ GIs[i] = {{}, false};
+ return GIs;
+ }();
public:
DiagnosticIDs();
@@ -200,7 +284,34 @@ class DiagnosticIDs : public RefCountedBase<DiagnosticIDs> {
// FIXME: Replace this function with a create-only facilty like
// createCustomDiagIDFromFormatString() to enforce safe usage. At the time of
// writing, nearly all callers of this function were invalid.
- unsigned getCustomDiagID(Level L, StringRef FormatString);
+ unsigned getCustomDiagID(CustomDiagDesc Diag);
+
+ // TODO: Deprecate this once all uses are removed from LLVM
+ // [[deprecated("Use a CustomDiagDesc instead of a Level")]]
+ unsigned getCustomDiagID(Level Level, StringRef Message) {
+ return getCustomDiagID([&]() -> CustomDiagDesc {
+ switch (Level) {
+ case DiagnosticIDs::Level::Ignored:
+ return {diag::Severity::Ignored, std::string(Message), CLASS_WARNING,
+ /*ShowInSystemHeader*/ true};
+ case DiagnosticIDs::Level::Note:
+ return {diag::Severity::Fatal, std::string(Message), CLASS_NOTE,
+ /*ShowInSystemHeader*/ true};
+ case DiagnosticIDs::Level::Remark:
+ return {diag::Severity::Remark, std::string(Message), CLASS_REMARK,
+ /*ShowInSystemHeader*/ true};
+ case DiagnosticIDs::Level::Warning:
+ return {diag::Severity::Warning, std::string(Message), CLASS_WARNING,
+ /*ShowInSystemHeader*/ true};
+ case DiagnosticIDs::Level::Error:
+ return {diag::Severity::Error, std::string(Message), CLASS_ERROR,
+ /*ShowInSystemHeader*/ true};
+ case DiagnosticIDs::Level::Fatal:
+ return {diag::Severity::Fatal, std::string(Message), CLASS_ERROR,
+ /*ShowInSystemHeader*/ true};
+ }
+ }());
+ }
//===--------------------------------------------------------------------===//
// Diagnostic classification and reporting interfaces.
@@ -212,35 +323,36 @@ class DiagnosticIDs : public RefCountedBase<DiagnosticIDs> {
/// Return true if the unmapped diagnostic levelof the specified
/// diagnostic ID is a Warning or Extension.
///
- /// This only works on builtin diagnostics, not custom ones, and is not
- /// legal to call on NOTEs.
- static bool isBuiltinWarningOrExtension(unsigned DiagID);
+ /// This is not legal to call on NOTEs.
+ bool isWarningOrExtension(unsigned DiagID) const;
/// Return true if the specified diagnostic is mapped to errors by
/// default.
- static bool isDefaultMappingAsError(unsigned DiagID);
+ bool isDefaultMappingAsError(unsigned DiagID) const;
/// Get the default mapping for this diagnostic.
- static DiagnosticMapping getDefaultMapping(unsigned DiagID);
+ DiagnosticMapping getDefaultMapping(unsigned DiagID) const;
+
+ void initCustomDiagMapping(DiagnosticMapping &, unsigned DiagID);
- /// Determine whether the given built-in diagnostic ID is a Note.
- static bool isBuiltinNote(unsigned DiagID);
+ /// Determine whether the given diagnostic ID is a Note.
+ bool isNote(unsigned DiagID) const;
- /// Determine whether the given built-in diagnostic ID is for an
+ /// Determine whether the given diagnostic ID is for an
/// extension of some sort.
- static bool isBuiltinExtensionDiag(unsigned DiagID) {
+ bool isExtensionDiag(unsigned DiagID) const {
bool ignored;
- return isBuiltinExtensionDiag(DiagID, ignored);
+ return isExtensionDiag(DiagID, ignored);
}
- /// Determine whether the given built-in diagnostic ID is for an
+ /// Determine whether the given diagnostic ID is for an
/// extension of some sort, and whether it is enabled by default.
///
/// This also returns EnabledByDefault, which is set to indicate whether the
/// diagnostic is ignored by default (in which case -pedantic enables it) or
/// treated as a warning/error by default.
///
- static bool isBuiltinExtensionDiag(unsigned DiagID, bool &EnabledByDefault);
+ bool isExtensionDiag(unsigned DiagID, bool &EnabledByDefault) const;
/// Given a group ID, returns the flag that toggles the group.
/// For example, for Group::DeprecatedDeclarations, returns
@@ -250,19 +362,22 @@ class DiagnosticIDs : public RefCountedBase<DiagnosticIDs> {
/// Given a diagnostic group ID, return its documentation.
static StringRef getWarningOptionDocumentation(diag::Group GroupID);
+ void setGroupSeverity(StringRef Group, diag::Severity);
+ void setGroupNoWarningsAsError(StringRef Group, bool);
+
/// Given a group ID, returns the flag that toggles the group.
/// For example, for "deprecated-declarations", returns
/// Group::DeprecatedDeclarations.
static std::optional<diag::Group> getGroupForWarningOption(StringRef);
/// Return the lowest-level group that contains the specified diagnostic.
- static std::optional<diag::Group> getGroupForDiag(unsigned DiagID);
+ std::optional<diag::Group> getGroupForDiag(unsigned DiagID) const;
/// Return the lowest-level warning option that enables the specified
/// diagnostic.
///
/// If there is no -Wfoo flag that controls the diagnostic, this returns null.
- static StringRef getWarningOptionForDiag(unsigned DiagID);
+ StringRef getWarningOptionForDiag(unsigned DiagID);
/// Return the category number that a specified \p DiagID belongs to,
/// or 0 if no category.
@@ -363,6 +478,8 @@ class DiagnosticIDs : public RefCountedBase<DiagnosticIDs> {
getDiagnosticSeverity(unsigned DiagID, SourceLocation Loc,
const DiagnosticsEngine &Diag) const LLVM_READONLY;
+ Class getDiagClass(unsigned DiagID) const;
+
/// Used to report a diagnostic that is finally fully formed.
///
/// \returns \c true if the diagnostic was emitted, \c false if it was
diff --git a/clang/include/clang/Basic/DiagnosticSemaKinds.td b/clang/include/clang/Basic/DiagnosticSemaKinds.td
index efdc058edca56d..74835830ceb9f5 100644
--- a/clang/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/clang/include/clang/Basic/DiagnosticSemaKinds.td
@@ -2927,9 +2927,15 @@ def ext_constexpr_function_never_constant_expr : ExtWarn<
"constant expression">, InGroup<DiagGroup<"invalid-constexpr">>, DefaultError;
def err_attr_cond_never_constant_expr : Error<
"%0 attribute expression never produces a constant expression">;
+def err_diagnose_if_unknown_warning : Error<"unknown warning group '%0'">;
def err_diagnose_if_invalid_diagnostic_type : Error<
"invalid diagnostic type for 'diagnose_if'; use \"error\" or \"warning\" "
"instead">;
+def err_diagnose_if_unknown_option : Error<"unknown diagnostic option">;
+def err_diagnose_if_expected_equals : Error<
+ "expected '=' after diagnostic option">;
+def err_diagnose_if_unexpected_value : Error<
+ "unexpected value; use 'true' or 'false'">;
def err_constexpr_body_no_return : Error<
"no return statement in %select{constexpr|consteval}0 function">;
def err_constexpr_return_missing_expr : Error<
diff --git a/clang/lib/Basic/Diagnostic.cpp b/clang/lib/Basic/Diagnostic.cpp
index 66776daa5e1493..ecff80a5090630 100644
--- a/clang/lib/Basic/Diagnostic.cpp
+++ b/clang/lib/Basic/Diagnostic.cpp
@@ -138,7 +138,7 @@ void DiagnosticsEngine::Reset(bool soft /*=false*/) {
// Create a DiagState and DiagStatePoint representing diagnostic changes
// through command-line.
- DiagStates.emplace_back();
+ DiagStates.emplace_back(*Diags);
DiagStatesByLoc.appendFirst(&DiagStates.back());
}
}
@@ -166,8 +166,11 @@ DiagnosticsEngine::DiagState::getOrAddMapping(diag::kind Diag) {
DiagMap.insert(std::make_pair(Diag, DiagnosticMapping()));
// Initialize the entry if we added it.
- if (Result.second)
- Result.first->second = DiagnosticIDs::getDefaultMapping(Diag);
+ if (Result.second) {
+ Result.first->second = DiagIDs.getDefaultMapping(Diag);
+ if (DiagnosticIDs::IsCustomDiag(Diag))
+ DiagIDs.initCustomDiagMapping(Result.first->second, Diag);
+ }
return Result.first->second;
}
@@ -309,7 +312,8 @@ void DiagnosticsEngine::DiagStateMap::dump(SourceManager &SrcMgr,
for (auto &Mapping : *Transition.State) {
StringRef Option =
- DiagnosticIDs::getWarningOptionForDiag(Mapping.first);
+ SrcMgr.getDiagnostics().Diags->getWarningOptionForDiag(
+ Mapping.first);
if (!DiagName.empty() && DiagName != Option)
continue;
@@ -353,9 +357,7 @@ void DiagnosticsEngine::PushDiagStatePoint(DiagState *State,
void DiagnosticsEngine::setSeverity(diag::kind Diag, diag::Severity Map,
SourceLocation L) {
- assert(Diag < diag::DIAG_UPPER_LIMIT &&
- "Can only map builtin diagnostics");
- assert((Diags->isBuiltinWarningOrExtension(Diag) ||
+ assert((Diags->isWarningOrExtension(Diag) ||
(Map == diag::Severity::Fatal || Map == diag::Severity::Error)) &&
"Cannot map errors into warnings!");
assert((L.isInvalid() || SourceMgr) && "No SourceMgr for valid location");
@@ -407,6 +409,8 @@ bool DiagnosticsEngine::setSeverityForGroup(diag::Flavor Flavor,
if (Diags->getDiagnosticsInGroup(Flavor, Group, GroupDiags))
return true;
+ Diags->setGroupSeverity(Group, Map);
+
// Set the mapping.
for (diag::kind Diag : GroupDiags)
setSeverity(Diag, Map, Loc);
@@ -429,6 +433,7 @@ bool DiagnosticsEngine::setDiagnosticGroupWarningAsError(StringRef Group,
if (Enabled)
return setSeverityForGroup(diag::Flavor::WarningOrError, Group,
diag::Severity::Error);
+ Diags->setGroupSeverity(Group, diag::Severity::Warning);
// Otherwise, we want to set the diagnostic mapping's "no Werror" bit, and
// potentially downgrade anything already mapped to be a warning.
@@ -460,6 +465,7 @@ bool DiagnosticsEngine::setDiagnosticGroupErrorAsFatal(StringRef Group,
if (Enabled)
return setSeverityForGroup(diag::Flavor::WarningOrError, Group,
diag::Severity::Fatal);
+ Diags->setGroupSeverity(Group, diag::Severity::Error);
// Otherwise, we want to set the diagnostic mapping's "no Wfatal-errors" bit,
// and potentially downgrade anything already mapped to be a fatal error.
@@ -492,7 +498,7 @@ void DiagnosticsEngine::setSeverityForAll(diag::Flavor Flavor,
// Set the mapping.
for (diag::kind Diag : AllDiags)
- if (Diags->isBuiltinWarningOrExtension(Diag))
+ if (Diags->isWarningOrExtension(Diag))
setSeverity(Diag, Map, Loc);
}
diff --git a/clang/lib/Basic/DiagnosticIDs.cpp b/clang/lib/Basic/DiagnosticIDs.cpp
index cd42573968b212..cae6642bd4bd3e 100644
--- a/clang/lib/Basic/DiagnosticIDs.cpp
+++ b/clang/lib/Basic/DiagnosticIDs.cpp
@@ -102,13 +102,12 @@ const uint32_t StaticDiagInfoDescriptionOffsets[] = {
#undef DIAG
};
-// Diagnostic classes.
enum DiagnosticClass {
- CLASS_NOTE = 0x01,
- CLASS_REMARK = 0x02,
- CLASS_WARNING = 0x03,
- CLASS_EXTENSION = 0x04,
- CLASS_ERROR = 0x05
+ CLASS_NOTE = DiagnosticIDs::CLASS_NOTE,
+ CLASS_REMARK = DiagnosticIDs::CLASS_REMARK,
+ CLASS_WARNING = DiagnosticIDs::CLASS_WARNING,
+ CLASS_EXTENSION = DiagnosticIDs::CLASS_EXTENSION,
+ CLASS_ERROR = DiagnosticIDs::CLASS_ERROR,
};
struct StaticDiagInfoRec {
@@ -269,11 +268,60 @@ CATEGORY(INSTALLAPI, REFACTORING)
return Found;
}
-DiagnosticMapping DiagnosticIDs::getDefaultMapping(unsigned DiagID) {
+//===----------------------------------------------------------------------===//
+// Custom Diagnostic information
+//===----------------------------------------------------------------------===//
+
+namespace clang {
+namespace diag {
+using CustomDiagDesc = DiagnosticIDs::CustomDiagDesc;
+class CustomDiagInfo {
+ std::vector<CustomDiagDesc> DiagInfo;
+ std::map<CustomDiagDesc, unsigned> DiagIDs;
+ std::map<diag::Group, std::vector<unsigned>> GroupToDiags;
+
+public:
+ /// getDescription - Return the description of the specified custom
+ /// diagnostic.
+ const CustomDiagDesc &getDescription(unsigned DiagID) const {
+ assert(DiagID - DIAG_UPPER_LIMIT < DiagInfo.size() &&
+ "Invalid diagnostic ID");
+ return DiagInfo[DiagID - DIAG_UPPER_LIMIT];
+ }
+
+ unsigned getOrCreateDiagID(DiagnosticIDs::CustomDiagDesc D) {
+ // Check to see if it already exists.
+ std::map<CustomDiagDesc, unsigned>::iterator I = DiagIDs.lower_bound(D);
+ if (I != DiagIDs.end() && I->first == D)
+ return I->second;
+
+ // If not, assign a new ID.
+ unsigned ID = DiagInfo.size() + DIAG_UPPER_LIMIT;
+ DiagIDs.insert(std::make_pair(D, ID));
+ DiagInfo.push_back(D);
+ if (auto Group = D.GetGroup())
+ GroupToDiags[*Group].emplace_back(ID);
+ return ID;
+ }
+
+ ArrayRef<unsigned> getDiagsInGroup(diag::Group G) const {
+ if (auto Diags = GroupToDiags.find(G); Diags != GroupToDiags.end())
+ return Diags->second;
+ return {};
+ }
+};
+
+} // namespace diag
+} // namespace clang
+
+DiagnosticMapping DiagnosticIDs::getDefaultMapping(unsigned DiagID) const {
DiagnosticMapping Info = DiagnosticMapping::Make(
diag::Severity::Fatal, /*IsUser=*/false, /*IsPragma=*/false);
- if (const StaticDiagInfoRec *StaticInfo = GetDiagInfo(DiagID)) {
+ if (IsCustomDiag(DiagID)) {
+ Info.setSeverity(
+ CustomDiagInfo->getDescription(DiagID).GetDefaultSeverity());
+ } else if (const StaticDiagInfoRec *StaticInfo = GetDiagInfo(DiagID)) {
Info.setSeverity((diag::Severity)StaticInfo->DefaultSeverity);
if (StaticInfo->WarnNoWerror) {
@@ -286,6 +334,18 @@ DiagnosticMapping DiagnosticIDs::getDefaultMapping(unsigned DiagID) {
return Info;
}
+void DiagnosticIDs::initCustomDiagMapping(DiagnosticMapping &Mapping,
+ unsigned DiagID) {
+ assert(IsCustomDiag(DiagID));
+ const auto &Diag = CustomDiagInfo->getDescription(DiagID);
+ if (auto Group = Diag.GetGroup()) {
+ GroupInfo GroupInfo = GroupInfos[static_cast<size_t>(*Group)];
+ if (static_cast<diag::Severity>(GroupInfo.Severity) != diag::Severity())
+ Mapping.setSeverity(static_cast<diag::Severity>(GroupInfo.Severity));
+ Mapping.setNoWarningAsError(GroupInfo.HasNoWarningAsError);
+ }
+}
+
/// getCategoryNumberForDiag - Return the category number that a specified
/// DiagID belongs to, or 0 if no category.
unsigned DiagnosticIDs::getCategoryNumberForDiag(unsigned DiagID) {
@@ -343,61 +403,6 @@ bool DiagnosticIDs::isDeferrable(unsigned DiagID) {
return false;
}
-/// getBuiltinDiagClass - Return the class field of the diagnostic.
-///
-static unsigned getBuiltinDiagClass(unsigned DiagID) {
- if (const StaticDiagInfoRec *Info = GetDiagInfo(DiagID))
- return Info->Class;
- return ~0U;
-}
-
-//===----------------------------------------------------------------------===//
-// Custom Diagnostic information
-//===----------------------------------------------------------------------===//
-
-namespace clang {
- namespace diag {
- class CustomDiagInfo {
- typedef std::pair<DiagnosticIDs::Level, std::string> DiagDesc;
- std::vector<DiagDesc> DiagInfo;
- std::map<DiagDesc, unsigned> DiagIDs;
- public:
-
- /// getDescription - Return the description of the specified custom
- /// diagnostic.
- StringRef getDescription(unsigned DiagID) const {
- assert(DiagID - DIAG_UPPER_LIMIT < DiagInfo.size() &&
- "Invalid diagnostic ID");
- return DiagInfo[DiagID-DIAG_UPPER_LIMIT].second;
- }
-
- /// getLevel - Return the level of the specified custom diagnostic.
- DiagnosticIDs::Level getLevel(unsigned DiagID) const {
- assert(DiagID - DIAG_UPPER_LIMIT < DiagInfo.size() &&
- "Invalid diagnostic ID");
- return DiagInfo[DiagID-DIAG_UPPER_LIMIT].first;
- }
-
- unsigned getOrCreateDiagID(DiagnosticIDs::Level L, StringRef Message,
- DiagnosticIDs &Diags) {
- DiagDesc D(L, std::string(Message));
- // Check to see if it already exists.
- std::map<DiagDesc, unsigned>::iterator I = DiagIDs.lower_bound(D);
- if (I != DiagIDs.end() && I->first == D)
- return I->second;
-
- // If not, assign a new ID.
- unsigned ID = DiagInfo.size()+DIAG_UPPER_LIMIT;
- DiagIDs.insert(std::make_pair(D, ID));
- DiagInfo.push_back(D);
- return ID;
- }
- };
-
- } // end diag namespace
-} // end clang namespace
-
-
//===----------------------------------------------------------------------===//
// Common Diagnostic implementation
//===----------------------------------------------------------------------===//
@@ -412,38 +417,32 @@ DiagnosticIDs::~DiagnosticIDs() {}
///
/// \param FormatString A fixed diagnostic format string that will be hashed and
/// mapped to a unique DiagID.
-unsigned DiagnosticIDs::getCustomDiagID(Level L, StringRef FormatString) {
+unsigned DiagnosticIDs::getCustomDiagID(CustomDiagDesc Diag) {
if (!CustomDiagInfo)
CustomDiagInfo.reset(new diag::CustomDiagInfo());
- return CustomDiagInfo->getOrCreateDiagID(L, FormatString, *this);
+ return CustomDiagInfo->getOrCreateDiagID(Diag);
}
-
-/// isBuiltinWarningOrExtension - Return true if the unmapped diagnostic
-/// level of the specified diagnostic ID is a Warning or Extension.
-/// This only works on builtin diagnostics, not custom ones, and is not legal to
-/// call on NOTEs.
-bool DiagnosticIDs::isBuiltinWarningOrExtension(unsigned DiagID) {
- return DiagID < diag::DIAG_UPPER_LIMIT &&
- getBuiltinDiagClass(DiagID) != CLASS_ERROR;
+bool DiagnosticIDs::isWarningOrExtension(unsigned DiagID) const {
+ return DiagID < diag::DIAG_UPPER_LIMIT
+ ? getDiagClass(DiagID) != CLASS_ERROR
+ : CustomDiagInfo->getDescription(DiagID).GetClass() != CLASS_ERROR;
}
/// Determine whether the given built-in diagnostic ID is a
/// Note.
-bool DiagnosticIDs::isBuiltinNote(unsigned DiagID) {
- return DiagID < diag::DIAG_UPPER_LIMIT &&
- getBuiltinDiagClass(DiagID) == CLASS_NOTE;
+bool DiagnosticIDs::isNote(unsigned DiagID) const {
+ return DiagID < diag::DIAG_UPPER_LIMIT && getDiagClass(DiagID) == CLASS_NOTE;
}
-/// isBuiltinExtensionDiag - Determine whether the given built-in diagnostic
+/// isExtensionDiag - Determine whether the given built-in diagnostic
/// ID is for an extension of some sort. This also returns EnabledByDefault,
/// which is set to indicate whether the diagnostic is ignored by default (in
/// which case -pedantic enables it) or treated as a warning/error by default.
///
-bool DiagnosticIDs::isBuiltinExtensionDiag(unsigned DiagID,
- bool &EnabledByDefault) {
- if (DiagID >= diag::DIAG_UPPER_LIMIT ||
- getBuiltinDiagClass(DiagID) != CLASS_EXTENSION)
+bool DiagnosticIDs::isExtensionDiag(unsigned DiagID,
+ bool &EnabledByDefault) const {
+ if (IsCustomDiag(DiagID) || getDiagClass(DiagID) != CLASS_EXTENSION)
return false;
EnabledByDefault =
@@ -451,10 +450,7 @@ bool DiagnosticIDs::isBuiltinExtensionDiag(unsigned DiagID,
return true;
}
-bool DiagnosticIDs::isDefaultMappingAsError(unsigned DiagID) {
- if (DiagID >= diag::DIAG_UPPER_LIMIT)
- return false;
-
+bool DiagnosticIDs::isDefaultMappingAsError(unsigned DiagID) const {
return getDefaultMapping(DiagID).getSeverity() >= diag::Severity::Error;
}
@@ -464,7 +460,7 @@ StringRef DiagnosticIDs::getDescription(unsigned DiagID) const {
if (const StaticDiagInfoRec *Info = GetDiagInfo(DiagID))
return Info->getDescription();
assert(CustomDiagInfo && "Invalid CustomDiagInfo");
- return CustomDiagInfo->getDescription(DiagID);
+ return CustomDiagInfo->getDescription(DiagID).GetDescription();
}
static DiagnosticIDs::Level toLevel(diag::Severity SV) {
@@ -489,13 +485,7 @@ static DiagnosticIDs::Level toLevel(diag::Severity SV) {
DiagnosticIDs::Level
DiagnosticIDs::getDiagnosticLevel(unsigned DiagID, SourceLocation Loc,
const DiagnosticsEngine &Diag) const {
- // Handle custom diagnostics, which cannot be mapped.
- if (DiagID >= diag::DIAG_UPPER_LIMIT) {
- assert(CustomDiagInfo && "Invalid CustomDiagInfo");
- return CustomDiagInfo->getLevel(DiagID);
- }
-
- unsigned DiagClass = getBuiltinDiagClass(DiagID);
+ unsigned DiagClass = getDiagClass(DiagID);
if (DiagClass == CLASS_NOTE) return DiagnosticIDs::Note;
return toLevel(getDiagnosticSeverity(DiagID, Loc, Diag));
}
@@ -509,7 +499,8 @@ DiagnosticIDs::getDiagnosticLevel(unsigned DiagID, SourceLocation Loc,
diag::Severity
DiagnosticIDs::getDiagnosticSeverity(unsigned DiagID, SourceLocation Loc,
const DiagnosticsEngine &Diag) const {
- assert(getBuiltinDiagClass(DiagID) != CLASS_NOTE);
+ bool IsCustomDiag = DiagnosticIDs::IsCustomDiag(DiagID);
+ assert(getDiagClass(DiagID) != CLASS_NOTE);
// Specific non-error diagnostics may be mapped to various levels from ignored
// to error. Errors can only be mapped to fatal.
@@ -517,7 +508,7 @@ DiagnosticIDs::getDiagnosticSeverity(unsigned DiagID, SourceLocation Loc,
// Get the mapping information, or compute it lazily.
DiagnosticsEngine::DiagState *State = Diag.GetDiagStateForLoc(Loc);
- DiagnosticMapping &Mapping = State->getOrAddMapping((diag::kind)DiagID);
+ DiagnosticMapping Mapping = State->getOrAddMapping((diag::kind)DiagID);
// TODO: Can a null severity really get here?
if (Mapping.getSeverity() != diag::Severity())
@@ -525,14 +516,15 @@ DiagnosticIDs::getDiagnosticSeverity(unsigned DiagID, SourceLocation Loc,
// Upgrade ignored diagnostics if -Weverything is enabled.
if (State->EnableAllWarnings && Result == diag::Severity::Ignored &&
- !Mapping.isUser() && getBuiltinDiagClass(DiagID) != CLASS_REMARK)
+ !Mapping.isUser() &&
+ (IsCustomDiag || getDiagClass(DiagID) != CLASS_REMARK))
Result = diag::Severity::Warning;
// Ignore -pedantic diagnostics inside __extension__ blocks.
// (The diagnostics controlled by -pedantic are the extension diagnostics
// that are not enabled by default.)
bool EnabledByDefault = false;
- bool IsExtensionDiag = isBuiltinExtensionDiag(DiagID, EnabledByDefault);
+ bool IsExtensionDiag = isExtensionDiag(DiagID, EnabledByDefault);
if (Diag.AllExtensionsSilenced && IsExtensionDiag && !EnabledByDefault)
return diag::Severity::Ignored;
@@ -550,10 +542,12 @@ DiagnosticIDs::getDiagnosticSeverity(unsigned DiagID, SourceLocation Loc,
// as well as disabling all messages which are currently mapped to Warning
// (whether by default or downgraded from Error via e.g. -Wno-error or #pragma
// diagnostic.)
+ // FIXME: Should -w be ignored for custom warnings without a group?
if (State->IgnoreAllWarnings) {
- if (Result == diag::Severity::Warning ||
- (Result >= diag::Severity::Error &&
- !isDefaultMappingAsError((diag::kind)DiagID)))
+ if ((!IsCustomDiag || CustomDiagInfo->getDescription(DiagID).GetGroup()) &&
+ (Result == diag::Severity::Warning ||
+ (Result >= diag::Severity::Error &&
+ !isDefaultMappingAsError((diag::kind)DiagID))))
return diag::Severity::Ignored;
}
@@ -575,9 +569,10 @@ DiagnosticIDs::getDiagnosticSeverity(unsigned DiagID, SourceLocation Loc,
Diag.CurDiagID != diag::fatal_too_many_errors && Diag.FatalsAsError)
Result = diag::Severity::Error;
- // Custom diagnostics always are emitted in system headers.
bool ShowInSystemHeader =
- !GetDiagInfo(DiagID) || GetDiagInfo(DiagID)->WarnShowInSystemHeader;
+ IsCustomDiag
+ ? CustomDiagInfo->getDescription(DiagID).ShouldShowInSystemHeader()
+ : !GetDiagInfo(DiagID) || GetDiagInfo(DiagID)->WarnShowInSystemHeader;
// If we are in a system header, we ignore it. We look at the diagnostic class
// because we also want to ignore extensions and warnings in -Werror and
@@ -597,6 +592,15 @@ DiagnosticIDs::getDiagnosticSeverity(unsigned DiagID, SourceLocation Loc,
return Result;
}
+DiagnosticIDs::Class DiagnosticIDs::getDiagClass(unsigned DiagID) const {
+ if (IsCustomDiag(DiagID))
+ return Class(CustomDiagInfo->getDescription(DiagID).GetClass());
+
+ if (const StaticDiagInfoRec *Info = GetDiagInfo(DiagID))
+ return Class(Info->Class);
+ return CLASS_INVALID;
+}
+
#define GET_DIAG_ARRAYS
#include "clang/Basic/DiagnosticGroups.inc"
#undef GET_DIAG_ARRAYS
@@ -642,7 +646,12 @@ DiagnosticIDs::getGroupForWarningOption(StringRef Name) {
return static_cast<diag::Group>(Found - OptionTable);
}
-std::optional<diag::Group> DiagnosticIDs::getGroupForDiag(unsigned DiagID) {
+std::optional<diag::Group>
+DiagnosticIDs::getGroupForDiag(unsigned DiagID) const {
+ if (IsCustomDiag(DiagID)) {
+ assert(CustomDiagInfo);
+ return CustomDiagInfo->getDescription(DiagID).GetGroup();
+ }
if (const StaticDiagInfoRec *Info = GetDiagInfo(DiagID))
return static_cast<diag::Group>(Info->getOptionGroupIndex());
return std::nullopt;
@@ -673,7 +682,8 @@ std::vector<std::string> DiagnosticIDs::getDiagnosticFlags() {
/// were filtered out due to having the wrong flavor.
static bool getDiagnosticsInGroup(diag::Flavor Flavor,
const WarningOption *Group,
- SmallVectorImpl<diag::kind> &Diags) {
+ SmallVectorImpl<diag::kind> &Diags,
+ diag::CustomDiagInfo *CustomDiagInfo) {
// An empty group is considered to be a warning group: we have empty groups
// for GCC compatibility, and GCC does not have remarks.
if (!Group->Members && !Group->SubGroups)
@@ -692,9 +702,14 @@ static bool getDiagnosticsInGroup(diag::Flavor Flavor,
// Add the members of the subgroups.
const int16_t *SubGroups = DiagSubGroups + Group->SubGroups;
- for (; *SubGroups != (int16_t)-1; ++SubGroups)
+ for (; *SubGroups != (int16_t)-1; ++SubGroups) {
+ if (CustomDiagInfo)
+ llvm::copy(
+ CustomDiagInfo->getDiagsInGroup(static_cast<diag::Group>(*SubGroups)),
+ std::back_inserter(Diags));
NotFound &= getDiagnosticsInGroup(Flavor, &OptionTable[(short)*SubGroups],
- Diags);
+ Diags, CustomDiagInfo);
+ }
return NotFound;
}
@@ -702,12 +717,49 @@ static bool getDiagnosticsInGroup(diag::Flavor Flavor,
bool
DiagnosticIDs::getDiagnosticsInGroup(diag::Flavor Flavor, StringRef Group,
SmallVectorImpl<diag::kind> &Diags) const {
- if (std::optional<diag::Group> G = getGroupForWarningOption(Group))
- return ::getDiagnosticsInGroup(
- Flavor, &OptionTable[static_cast<unsigned>(*G)], Diags);
+ if (std::optional<diag::Group> G = getGroupForWarningOption(Group)) {
+ if (CustomDiagInfo)
+ llvm::copy(CustomDiagInfo->getDiagsInGroup(*G),
+ std::back_inserter(Diags));
+ return ::getDiagnosticsInGroup(Flavor,
+ &OptionTable[static_cast<unsigned>(*G)],
+ Diags, CustomDiagInfo.get());
+ }
return true;
}
+template <class Func>
+static void forEachSubGroupImpl(const WarningOption *Group, Func func) {
+ for (const int16_t *SubGroups = DiagSubGroups + Group->SubGroups;
+ *SubGroups != -1; ++SubGroups) {
+ func(static_cast<size_t>(*SubGroups));
+ forEachSubGroupImpl(&OptionTable[*SubGroups], std::move(func));
+ }
+}
+
+template <class Func>
+static void forEachSubGroup(diag::Group Group, Func func) {
+ const WarningOption *WarningOpt = &OptionTable[static_cast<size_t>(Group)];
+ func(static_cast<size_t>(Group));
+ ::forEachSubGroupImpl(WarningOpt, std::move(func));
+}
+
+void DiagnosticIDs::setGroupSeverity(StringRef Group, diag::Severity Sev) {
+ if (std::optional<diag::Group> G = getGroupForWarningOption(Group)) {
+ ::forEachSubGroup(*G, [&](size_t SubGroup) {
+ GroupInfos[SubGroup].Severity = static_cast<unsigned>(Sev);
+ });
+ }
+}
+
+void DiagnosticIDs::setGroupNoWarningsAsError(StringRef Group, bool Val) {
+ if (std::optional<diag::Group> G = getGroupForWarningOption(Group)) {
+ ::forEachSubGroup(*G, [&](size_t SubGroup) {
+ GroupInfos[static_cast<size_t>(*G)].HasNoWarningAsError = Val;
+ });
+ }
+}
+
void DiagnosticIDs::getAllDiagnostics(diag::Flavor Flavor,
std::vector<diag::kind> &Diags) {
for (unsigned i = 0; i != StaticDiagInfoSize; ++i)
@@ -730,7 +782,7 @@ StringRef DiagnosticIDs::getNearestOption(diag::Flavor Flavor,
// Don't suggest groups that are not of this kind.
llvm::SmallVector<diag::kind, 8> Diags;
- if (::getDiagnosticsInGroup(Flavor, &O, Diags) || Diags.empty())
+ if (::getDiagnosticsInGroup(Flavor, &O, Diags, nullptr) || Diags.empty())
continue;
if (Distance == BestDistance) {
@@ -843,14 +895,8 @@ void DiagnosticIDs::EmitDiag(DiagnosticsEngine &Diag, Level DiagLevel) const {
}
bool DiagnosticIDs::isUnrecoverable(unsigned DiagID) const {
- if (DiagID >= diag::DIAG_UPPER_LIMIT) {
- assert(CustomDiagInfo && "Invalid CustomDiagInfo");
- // Custom diagnostics.
- return CustomDiagInfo->getLevel(DiagID) >= DiagnosticIDs::Error;
- }
-
// Only errors may be unrecoverable.
- if (getBuiltinDiagClass(DiagID) < CLASS_ERROR)
+ if (getDiagClass(DiagID) < CLASS_ERROR)
return false;
if (DiagID == diag::err_unavailable ||
diff --git a/clang/lib/Frontend/LogDiagnosticPrinter.cpp b/clang/lib/Frontend/LogDiagnosticPrinter.cpp
index 469d1c22633aa3..4e963af837f01f 100644
--- a/clang/lib/Frontend/LogDiagnosticPrinter.cpp
+++ b/clang/lib/Frontend/LogDiagnosticPrinter.cpp
@@ -129,7 +129,8 @@ void LogDiagnosticPrinter::HandleDiagnostic(DiagnosticsEngine::Level Level,
DE.DiagnosticLevel = Level;
DE.WarningOption =
- std::string(DiagnosticIDs::getWarningOptionForDiag(DE.DiagnosticID));
+ std::string(Info.getDiags()->getDiagnosticIDs()->getWarningOptionForDiag(
+ DE.DiagnosticID));
// Format the message.
SmallString<100> MessageStr;
@@ -160,4 +161,3 @@ void LogDiagnosticPrinter::HandleDiagnostic(DiagnosticsEngine::Level Level,
// Record the diagnostic entry.
Entries.push_back(DE);
}
-
diff --git a/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp b/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
index 0887b5a504f05a..d1db31763e5009 100644
--- a/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
+++ b/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
@@ -202,7 +202,7 @@ class SDiagsWriter : public DiagnosticConsumer {
/// Emit the string information for diagnostic flags.
unsigned getEmitDiagnosticFlag(DiagnosticsEngine::Level DiagLevel,
- unsigned DiagID = 0);
+ const Diagnostic *Diag = nullptr);
unsigned getEmitDiagnosticFlag(StringRef DiagName);
@@ -536,11 +536,13 @@ unsigned SDiagsWriter::getEmitCategory(unsigned int category) {
}
unsigned SDiagsWriter::getEmitDiagnosticFlag(DiagnosticsEngine::Level DiagLevel,
- unsigned DiagID) {
- if (DiagLevel == DiagnosticsEngine::Note)
+ const Diagnostic *Diag) {
+ if (!Diag || DiagLevel == DiagnosticsEngine::Note)
return 0; // No flag for notes.
- StringRef FlagName = DiagnosticIDs::getWarningOptionForDiag(DiagID);
+ StringRef FlagName =
+ Diag->getDiags()->getDiagnosticIDs()->getWarningOptionForDiag(
+ Diag->getID());
return getEmitDiagnosticFlag(FlagName);
}
@@ -655,7 +657,7 @@ void SDiagsWriter::EmitDiagnosticMessage(FullSourceLoc Loc, PresumedLoc PLoc,
unsigned DiagID = DiagnosticIDs::getCategoryNumberForDiag(Info->getID());
Record.push_back(getEmitCategory(DiagID));
// Emit the diagnostic flag string lazily and get the mapped ID.
- Record.push_back(getEmitDiagnosticFlag(Level, Info->getID()));
+ Record.push_back(getEmitDiagnosticFlag(Level, Info));
} else {
Record.push_back(getEmitCategory());
Record.push_back(getEmitDiagnosticFlag(Level));
diff --git a/clang/lib/Frontend/TextDiagnosticPrinter.cpp b/clang/lib/Frontend/TextDiagnosticPrinter.cpp
index b2fb762537573e..c2fea3d03f0c0f 100644
--- a/clang/lib/Frontend/TextDiagnosticPrinter.cpp
+++ b/clang/lib/Frontend/TextDiagnosticPrinter.cpp
@@ -70,13 +70,17 @@ static void printDiagnosticOptions(raw_ostream &OS,
// flag it as such. Note that diagnostics could also have been mapped by a
// pragma, but we don't currently have a way to distinguish this.
if (Level == DiagnosticsEngine::Error &&
- DiagnosticIDs::isBuiltinWarningOrExtension(Info.getID()) &&
- !DiagnosticIDs::isDefaultMappingAsError(Info.getID())) {
+ Info.getDiags()->getDiagnosticIDs()->isWarningOrExtension(
+ Info.getID()) &&
+ !Info.getDiags()->getDiagnosticIDs()->isDefaultMappingAsError(
+ Info.getID())) {
OS << " [-Werror";
Started = true;
}
- StringRef Opt = DiagnosticIDs::getWarningOptionForDiag(Info.getID());
+ StringRef Opt =
+ Info.getDiags()->getDiagnosticIDs()->getWarningOptionForDiag(
+ Info.getID());
if (!Opt.empty()) {
OS << (Started ? "," : " [")
<< (Level == DiagnosticsEngine::Remark ? "-R" : "-W") << Opt;
diff --git a/clang/lib/Sema/Sema.cpp b/clang/lib/Sema/Sema.cpp
index 46ddd360870b4f..d567de703903c9 100644
--- a/clang/lib/Sema/Sema.cpp
+++ b/clang/lib/Sema/Sema.cpp
@@ -1683,7 +1683,7 @@ void Sema::EmitCurrentDiagnostic(unsigned DiagID) {
// that is different from the last template instantiation where
// we emitted an error, print a template instantiation
// backtrace.
- if (!DiagnosticIDs::isBuiltinNote(DiagID))
+ if (!Diags.getDiagnosticIDs()->isNote(DiagID))
PrintContextStack();
}
@@ -1697,7 +1697,8 @@ bool Sema::hasUncompilableErrorOccurred() const {
if (Loc == DeviceDeferredDiags.end())
return false;
for (auto PDAt : Loc->second) {
- if (DiagnosticIDs::isDefaultMappingAsError(PDAt.second.getDiagID()))
+ if (Diags.getDiagnosticIDs()->isDefaultMappingAsError(
+ PDAt.second.getDiagID()))
return true;
}
return false;
diff --git a/clang/lib/Sema/SemaCUDA.cpp b/clang/lib/Sema/SemaCUDA.cpp
index ec37c0df56c671..fbb3de4b3e4165 100644
--- a/clang/lib/Sema/SemaCUDA.cpp
+++ b/clang/lib/Sema/SemaCUDA.cpp
@@ -835,7 +835,7 @@ SemaBase::SemaDiagnosticBuilder SemaCUDA::DiagIfDeviceCode(SourceLocation Loc,
if (!getLangOpts().CUDAIsDevice)
return SemaDiagnosticBuilder::K_Nop;
if (SemaRef.IsLastErrorImmediate &&
- getDiagnostics().getDiagnosticIDs()->isBuiltinNote(DiagID))
+ getDiagnostics().getDiagnosticIDs()->isNote(DiagID))
return SemaDiagnosticBuilder::K_Immediate;
return (SemaRef.getEmissionStatus(CurFunContext) ==
Sema::FunctionEmissionStatus::Emitted)
@@ -866,7 +866,7 @@ Sema::SemaDiagnosticBuilder SemaCUDA::DiagIfHostCode(SourceLocation Loc,
if (getLangOpts().CUDAIsDevice)
return SemaDiagnosticBuilder::K_Nop;
if (SemaRef.IsLastErrorImmediate &&
- getDiagnostics().getDiagnosticIDs()->isBuiltinNote(DiagID))
+ getDiagnostics().getDiagnosticIDs()->isNote(DiagID))
return SemaDiagnosticBuilder::K_Immediate;
return (SemaRef.getEmissionStatus(CurFunContext) ==
Sema::FunctionEmissionStatus::Emitted)
diff --git a/clang/lib/Sema/SemaDeclAttr.cpp b/clang/lib/Sema/SemaDeclAttr.cpp
index 72d82b424c26c8..fb2c2fba0e4628 100644
--- a/clang/lib/Sema/SemaDeclAttr.cpp
+++ b/clang/lib/Sema/SemaDeclAttr.cpp
@@ -852,22 +852,38 @@ static void handleDiagnoseIfAttr(Sema &S, Decl *D, const ParsedAttr &AL) {
if (!checkFunctionConditionAttr(S, D, AL, Cond, Msg))
return;
- StringRef DiagTypeStr;
- if (!S.checkStringLiteralArgumentAttr(AL, 2, DiagTypeStr))
+ StringRef DefaultSevStr;
+ if (!S.checkStringLiteralArgumentAttr(AL, 2, DefaultSevStr))
return;
- DiagnoseIfAttr::DiagnosticType DiagType;
- if (!DiagnoseIfAttr::ConvertStrToDiagnosticType(DiagTypeStr, DiagType)) {
+ DiagnoseIfAttr::DefaultSeverity DefaultSev;
+ if (!DiagnoseIfAttr::ConvertStrToDefaultSeverity(DefaultSevStr, DefaultSev)) {
S.Diag(AL.getArgAsExpr(2)->getBeginLoc(),
diag::err_diagnose_if_invalid_diagnostic_type);
return;
}
+ StringRef WarningGroup;
+ SmallVector<StringRef, 2> Options;
+ if (AL.getNumArgs() > 3) {
+ if (!S.checkStringLiteralArgumentAttr(AL, 3, WarningGroup))
+ return;
+ if (WarningGroup.empty() ||
+ !S.getDiagnostics().getDiagnosticIDs()->getGroupForWarningOption(
+ WarningGroup)) {
+ S.Diag(AL.getArgAsExpr(3)->getBeginLoc(),
+ diag::err_diagnose_if_unknown_warning)
+ << WarningGroup;
+ return;
+ }
+ }
+
bool ArgDependent = false;
if (const auto *FD = dyn_cast<FunctionDecl>(D))
ArgDependent = ArgumentDependenceChecker(FD).referencesArgs(Cond);
D->addAttr(::new (S.Context) DiagnoseIfAttr(
- S.Context, AL, Cond, Msg, DiagType, ArgDependent, cast<NamedDecl>(D)));
+ S.Context, AL, Cond, Msg, DefaultSev, WarningGroup, ArgDependent,
+ cast<NamedDecl>(D)));
}
static void handleNoBuiltinAttr(Sema &S, Decl *D, const ParsedAttr &AL) {
diff --git a/clang/lib/Sema/SemaOverload.cpp b/clang/lib/Sema/SemaOverload.cpp
index a155bb2fd3ba2a..d3e009a658f0e8 100644
--- a/clang/lib/Sema/SemaOverload.cpp
+++ b/clang/lib/Sema/SemaOverload.cpp
@@ -7307,8 +7307,10 @@ static bool diagnoseDiagnoseIfAttrsWith(Sema &S, const NamedDecl *ND,
return false;
auto WarningBegin = std::stable_partition(
- Attrs.begin(), Attrs.end(),
- [](const DiagnoseIfAttr *DIA) { return DIA->isError(); });
+ Attrs.begin(), Attrs.end(), [](const DiagnoseIfAttr *DIA) {
+ return DIA->getDefaultSeverity() == DiagnoseIfAttr::DS_error &&
+ DIA->getWarningGroup().empty();
+ });
// Note that diagnose_if attributes are late-parsed, so they appear in the
// correct order (unlike enable_if attributes).
@@ -7322,11 +7324,31 @@ static bool diagnoseDiagnoseIfAttrsWith(Sema &S, const NamedDecl *ND,
return true;
}
+ auto ToSeverity = [](DiagnoseIfAttr::DefaultSeverity Sev) {
+ switch (Sev) {
+ case DiagnoseIfAttr::DS_warning:
+ return diag::Severity::Warning;
+ case DiagnoseIfAttr::DS_error:
+ return diag::Severity::Error;
+ }
+ };
+
for (const auto *DIA : llvm::make_range(WarningBegin, Attrs.end()))
if (IsSuccessful(DIA)) {
- S.Diag(Loc, diag::warn_diagnose_if_succeeded) << DIA->getMessage();
- S.Diag(DIA->getLocation(), diag::note_from_diagnose_if)
- << DIA->getParent() << DIA->getCond()->getSourceRange();
+ if (DIA->getWarningGroup().empty() &&
+ DIA->getDefaultSeverity() == DiagnoseIfAttr::DS_warning) {
+ S.Diag(Loc, diag::warn_diagnose_if_succeeded) << DIA->getMessage();
+ S.Diag(DIA->getLocation(), diag::note_from_diagnose_if)
+ << DIA->getParent() << DIA->getCond()->getSourceRange();
+ } else {
+ auto DiagGroup = S.Diags.getDiagnosticIDs()->getGroupForWarningOption(
+ DIA->getWarningGroup());
+ assert(DiagGroup);
+ auto DiagID = S.Diags.getDiagnosticIDs()->getCustomDiagID(
+ {ToSeverity(DIA->getDefaultSeverity()), "%0",
+ DiagnosticIDs::CLASS_WARNING, false, false, *DiagGroup});
+ S.Diag(Loc, DiagID) << DIA->getMessage();
+ }
}
return false;
diff --git a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
index bb311e38409280..e97a7d768b931b 100644
--- a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -284,7 +284,8 @@ static void instantiateDependentDiagnoseIfAttr(
if (Cond)
New->addAttr(new (S.getASTContext()) DiagnoseIfAttr(
S.getASTContext(), *DIA, Cond, DIA->getMessage(),
- DIA->getDiagnosticType(), DIA->getArgDependent(), New));
+ DIA->getDefaultSeverity(), DIA->getWarningGroup(),
+ DIA->getArgDependent(), New));
}
// Constructs and adds to New a new instance of CUDALaunchBoundsAttr using
diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index e5a1e20a265616..4fae6ff02ea9a3 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -6641,7 +6641,7 @@ void ASTReader::ReadPragmaDiagnosticMappings(DiagnosticsEngine &Diag) {
// command line (-w, -Weverything, -Werror, ...) along with any explicit
// -Wblah flags.
unsigned Flags = Record[Idx++];
- DiagState Initial;
+ DiagState Initial(*Diag.getDiagnosticIDs());
Initial.SuppressSystemWarnings = Flags & 1; Flags >>= 1;
Initial.ErrorsAsFatal = Flags & 1; Flags >>= 1;
Initial.WarningsAsErrors = Flags & 1; Flags >>= 1;
diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index c6289493fce1de..008bf571f847dc 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -3219,7 +3219,7 @@ void ASTWriter::WritePragmaDiagnosticMappings(const DiagnosticsEngine &Diag,
// Skip default mappings. We have a mapping for every diagnostic ever
// emitted, regardless of whether it was customized.
if (!I.second.isPragma() &&
- I.second == DiagnosticIDs::getDefaultMapping(I.first))
+ I.second == Diag.getDiagnosticIDs()->getDefaultMapping(I.first))
continue;
Mappings.push_back(I);
}
diff --git a/clang/lib/StaticAnalyzer/Core/TextDiagnostics.cpp b/clang/lib/StaticAnalyzer/Core/TextDiagnostics.cpp
index 71268af22e2424..7cdd545e61b328 100644
--- a/clang/lib/StaticAnalyzer/Core/TextDiagnostics.cpp
+++ b/clang/lib/StaticAnalyzer/Core/TextDiagnostics.cpp
@@ -91,7 +91,6 @@ class TextDiagnostics : public PathDiagnosticConsumer {
? " [" + PD->getCheckerName() + "]"
: "")
.str();
-
reportPiece(WarnID, PD->getLocation().asLocation(),
(PD->getShortDescription() + WarningMsg).str(),
PD->path.back()->getRanges(), PD->path.back()->getFixits());
diff --git a/clang/test/Sema/diagnose_if.c b/clang/test/Sema/diagnose_if.c
index 4df39916c031e3..e9b8497d5ca4e5 100644
--- a/clang/test/Sema/diagnose_if.c
+++ b/clang/test/Sema/diagnose_if.c
@@ -2,10 +2,10 @@
#define _diagnose_if(...) __attribute__((diagnose_if(__VA_ARGS__)))
-void failure1(void) _diagnose_if(); // expected-error{{exactly 3 arguments}}
-void failure2(void) _diagnose_if(0); // expected-error{{exactly 3 arguments}}
-void failure3(void) _diagnose_if(0, ""); // expected-error{{exactly 3 arguments}}
-void failure4(void) _diagnose_if(0, "", "error", 1); // expected-error{{exactly 3 arguments}}
+void failure1(void) _diagnose_if(); // expected-error{{at least 3 arguments}}
+void failure2(void) _diagnose_if(0); // expected-error{{at least 3 arguments}}
+void failure3(void) _diagnose_if(0, ""); // expected-error{{at least 3 arguments}}
+void failure4(void) _diagnose_if(0, "", "error", 1); // expected-error{{expected string literal as argument}}
void failure5(void) _diagnose_if(0, 0, "error"); // expected-error{{expected string literal as argument of 'diagnose_if' attribute}}
void failure6(void) _diagnose_if(0, "", "invalid"); // expected-error{{invalid diagnostic type for 'diagnose_if'; use "error" or "warning" instead}}
void failure7(void) _diagnose_if(0, "", "ERROR"); // expected-error{{invalid diagnostic type}}
diff --git a/clang/test/SemaCXX/diagnose_if-warning-group.cpp b/clang/test/SemaCXX/diagnose_if-warning-group.cpp
new file mode 100644
index 00000000000000..a39c0c0c33c9ef
--- /dev/null
+++ b/clang/test/SemaCXX/diagnose_if-warning-group.cpp
@@ -0,0 +1,63 @@
+// RUN: %clang_cc1 %s -verify=expected,wall -fno-builtin -Wno-pedantic -Werror=comment -Wno-error=abi -Wfatal-errors=assume -Wno-fatal-errors=assume -Wno-format
+// RUN: %clang_cc1 %s -verify=expected,wno-all,pedantic,format -fno-builtin -Wno-all -Werror=comment -Wno-error=abi -Werror=assume -Wformat
+
+#define diagnose_if(...) __attribute__((diagnose_if(__VA_ARGS__)))
+
+#ifndef EMTY_WARNING_GROUP
+void bougus_warning() diagnose_if(true, "oh no", "warning", "bogus warning") {} // expected-error {{unknown warning group 'bogus warning'}}
+
+void show_in_system_header() diagnose_if(true, "oh no", "warning", "assume", "Banane") {} // expected-error {{'diagnose_if' attribute takes no more than 4 arguments}}
+#endif // EMTY_WARNING_GROUP
+
+template <bool b>
+void diagnose_if_wcomma() diagnose_if(b, "oh no", "warning", "comma") {}
+
+template <bool b>
+void diagnose_if_wcomment() diagnose_if(b, "oh no", "warning", "comment") {}
+
+void empty_warning_group() diagnose_if(true, "oh no", "warning", "") {} // expected-error {{unknown warning group ''}}
+void empty_warning_group_error() diagnose_if(true, "oh no", "error", "") {} // expected-error {{unknown warning group ''}}
+
+void diagnose_if_wabi_default_error() diagnose_if(true, "ABI stuff", "error", "abi") {}
+void diagnose_assume() diagnose_if(true, "Assume diagnostic", "warning", "assume") {}
+
+void Wall() diagnose_if(true, "oh no", "warning", "all") {}
+void Wpedantic() diagnose_if(true, "oh no", "warning", "pedantic") {}
+void Wformat_extra_args() diagnose_if(true, "oh no", "warning", "format-extra-args") {}
+
+void call() {
+ diagnose_if_wcomma<true>(); // expected-warning {{oh no}}
+ diagnose_if_wcomma<false>();
+ diagnose_if_wcomment<true>(); // expected-error {{oh no}}
+ diagnose_if_wcomment<false>();
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wcomma"
+ diagnose_if_wcomma<true>();
+ diagnose_if_wcomment<true>(); // expected-error {{oh no}}
+#pragma clang diagnostic pop
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wcomment"
+ diagnose_if_wcomma<true>(); // expected-warning {{oh no}}
+ diagnose_if_wcomment<true>();
+#pragma clang diagnostic pop
+
+ diagnose_if_wcomma<true>(); // expected-warning {{oh no}}
+ diagnose_if_wcomment<true>(); // expected-error {{oh no}}
+
+ diagnose_if_wabi_default_error(); // expected-warning {{ABI stuff}}
+ diagnose_assume(); // expected-error {{Assume diagnostic}}
+
+ // Make sure that the -Wassume diagnostic isn't fatal
+ diagnose_if_wabi_default_error(); // expected-warning {{ABI stuff}}
+
+ Wall(); // wall-warning {{oh no}}
+ Wpedantic(); // pedantic-warning {{oh no}}
+ Wformat_extra_args(); // format-warning {{oh no}}
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wformat"
+ Wformat_extra_args();
+#pragma clang diagnostic pop
+}
diff --git a/clang/tools/diagtool/ListWarnings.cpp b/clang/tools/diagtool/ListWarnings.cpp
index a71f6e3a66c8eb..9f9647126dd8a0 100644
--- a/clang/tools/diagtool/ListWarnings.cpp
+++ b/clang/tools/diagtool/ListWarnings.cpp
@@ -53,13 +53,13 @@ int ListWarnings::run(unsigned int argc, char **argv, llvm::raw_ostream &out) {
for (const DiagnosticRecord &DR : getBuiltinDiagnosticsByName()) {
const unsigned diagID = DR.DiagID;
- if (DiagnosticIDs::isBuiltinNote(diagID))
+ if (DiagnosticIDs{}.isNote(diagID))
continue;
- if (!DiagnosticIDs::isBuiltinWarningOrExtension(diagID))
+ if (!DiagnosticIDs{}.isWarningOrExtension(diagID))
continue;
- Entry entry(DR.getName(), DiagnosticIDs::getWarningOptionForDiag(diagID));
+ Entry entry(DR.getName(), DiagnosticIDs{}.getWarningOptionForDiag(diagID));
if (entry.Flag.empty())
Unflagged.push_back(entry);
@@ -97,4 +97,3 @@ int ListWarnings::run(unsigned int argc, char **argv, llvm::raw_ostream &out) {
return 0;
}
-
diff --git a/clang/tools/diagtool/ShowEnabledWarnings.cpp b/clang/tools/diagtool/ShowEnabledWarnings.cpp
index 66a295db054c35..caf67223921d4b 100644
--- a/clang/tools/diagtool/ShowEnabledWarnings.cpp
+++ b/clang/tools/diagtool/ShowEnabledWarnings.cpp
@@ -117,10 +117,10 @@ int ShowEnabledWarnings::run(unsigned int argc, char **argv, raw_ostream &Out) {
for (const DiagnosticRecord &DR : getBuiltinDiagnosticsByName()) {
unsigned DiagID = DR.DiagID;
- if (DiagnosticIDs::isBuiltinNote(DiagID))
+ if (DiagnosticIDs{}.isNote(DiagID))
continue;
- if (!DiagnosticIDs::isBuiltinWarningOrExtension(DiagID))
+ if (!DiagnosticIDs{}.isWarningOrExtension(DiagID))
continue;
DiagnosticsEngine::Level DiagLevel =
@@ -128,7 +128,7 @@ int ShowEnabledWarnings::run(unsigned int argc, char **argv, raw_ostream &Out) {
if (DiagLevel == DiagnosticsEngine::Ignored)
continue;
- StringRef WarningOpt = DiagnosticIDs::getWarningOptionForDiag(DiagID);
+ StringRef WarningOpt = DiagnosticIDs{}.getWarningOptionForDiag(DiagID);
Active.push_back(PrettyDiag(DR.getName(), WarningOpt, DiagLevel));
}
diff --git a/clang/tools/libclang/CXStoredDiagnostic.cpp b/clang/tools/libclang/CXStoredDiagnostic.cpp
index 03018229549bd4..6fb3050f5f8445 100644
--- a/clang/tools/libclang/CXStoredDiagnostic.cpp
+++ b/clang/tools/libclang/CXStoredDiagnostic.cpp
@@ -51,7 +51,9 @@ CXString CXStoredDiagnostic::getSpelling() const {
CXString CXStoredDiagnostic::getDiagnosticOption(CXString *Disable) const {
unsigned ID = Diag.getID();
- StringRef Option = DiagnosticIDs::getWarningOptionForDiag(ID);
+ if (DiagnosticIDs::IsCustomDiag(ID))
+ return cxstring::createEmpty();
+ StringRef Option = DiagnosticIDs{}.getWarningOptionForDiag(ID);
if (!Option.empty()) {
if (Disable)
*Disable = cxstring::createDup((Twine("-Wno-") + Option).str());
diff --git a/flang/lib/Frontend/TextDiagnosticPrinter.cpp b/flang/lib/Frontend/TextDiagnosticPrinter.cpp
index 1e6414f38648e0..8b00fb69b3cefb 100644
--- a/flang/lib/Frontend/TextDiagnosticPrinter.cpp
+++ b/flang/lib/Frontend/TextDiagnosticPrinter.cpp
@@ -38,8 +38,8 @@ TextDiagnosticPrinter::~TextDiagnosticPrinter() {}
static void printRemarkOption(llvm::raw_ostream &os,
clang::DiagnosticsEngine::Level level,
const clang::Diagnostic &info) {
- llvm::StringRef opt =
- clang::DiagnosticIDs::getWarningOptionForDiag(info.getID());
+ llvm::StringRef opt = info.getDiags()->getDiagnosticIDs()
+ ->getWarningOptionForDiag(info.getID());
if (!opt.empty()) {
// We still need to check if the level is a Remark since, an unknown option
// warning could be printed i.e. [-Wunknown-warning-option]
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