DiagnosticIDs.cpp | Explore in Territory

//===--- DiagnosticIDs.cpp - Diagnostic IDs Handling ----------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
//  This file implements the Diagnostic IDs-related interfaces.
//
//===----------------------------------------------------------------------===//

#include "clang/Basic/DiagnosticIDs.h"
#include "clang/Basic/AllDiagnostics.h"
#include "clang/Basic/DiagnosticCategories.h"
#include "clang/Basic/SourceManager.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/ErrorHandling.h"
#include <map>
#include <optional>
usingnamespaceclang;

//===----------------------------------------------------------------------===//
// Builtin Diagnostic information
//===----------------------------------------------------------------------===//

namespace … // namespace

static const unsigned StaticDiagInfoSize = …;

/// GetDiagInfo - Return the StaticDiagInfoRec entry for the specified DiagID,
/// or null if the ID is invalid.
static const StaticDiagInfoRec *GetDiagInfo(unsigned DiagID) { … }

//===----------------------------------------------------------------------===//
// Custom Diagnostic information
//===----------------------------------------------------------------------===//

namespace clang {
namespace diag {
CustomDiagDesc;
class CustomDiagInfo { … };

} // namespace diag
} // namespace clang

DiagnosticMapping DiagnosticIDs::getDefaultMapping(unsigned DiagID) const { … }

void DiagnosticIDs::initCustomDiagMapping(DiagnosticMapping &Mapping,
                                          unsigned DiagID) { … }

/// getCategoryNumberForDiag - Return the category number that a specified
/// DiagID belongs to, or 0 if no category.
unsigned DiagnosticIDs::getCategoryNumberForDiag(unsigned DiagID) { … }

namespace {
  // The diagnostic category names.
  struct StaticDiagCategoryRec { … };
}

static const StaticDiagCategoryRec CategoryNameTable[] = …;

/// getNumberOfCategories - Return the number of categories
unsigned DiagnosticIDs::getNumberOfCategories() { … }

/// getCategoryNameFromID - Given a category ID, return the name of the
/// category, an empty string if CategoryID is zero, or null if CategoryID is
/// invalid.
StringRef DiagnosticIDs::getCategoryNameFromID(unsigned CategoryID) { … }



DiagnosticIDs::SFINAEResponse
DiagnosticIDs::getDiagnosticSFINAEResponse(unsigned DiagID) { … }

bool DiagnosticIDs::isDeferrable(unsigned DiagID) { … }

//===----------------------------------------------------------------------===//
// Common Diagnostic implementation
//===----------------------------------------------------------------------===//

DiagnosticIDs::DiagnosticIDs() { … }

DiagnosticIDs::~DiagnosticIDs() { … }

/// getCustomDiagID - Return an ID for a diagnostic with the specified message
/// and level.  If this is the first request for this diagnostic, it is
/// registered and created, otherwise the existing ID is returned.
///
/// \param FormatString A fixed diagnostic format string that will be hashed and
/// mapped to a unique DiagID.
unsigned DiagnosticIDs::getCustomDiagID(CustomDiagDesc Diag) { … }

bool DiagnosticIDs::isWarningOrExtension(unsigned DiagID) const { … }

/// Determine whether the given built-in diagnostic ID is a
/// Note.
bool DiagnosticIDs::isNote(unsigned DiagID) const { … }

/// 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::isExtensionDiag(unsigned DiagID,
                                    bool &EnabledByDefault) const { … }

bool DiagnosticIDs::isDefaultMappingAsError(unsigned DiagID) const { … }

/// getDescription - Given a diagnostic ID, return a description of the
/// issue.
StringRef DiagnosticIDs::getDescription(unsigned DiagID) const { … }

static DiagnosticIDs::Level toLevel(diag::Severity SV) { … }

/// getDiagnosticLevel - Based on the way the client configured the
/// DiagnosticsEngine object, classify the specified diagnostic ID into a Level,
/// by consumable the DiagnosticClient.
DiagnosticIDs::Level
DiagnosticIDs::getDiagnosticLevel(unsigned DiagID, SourceLocation Loc,
                                  const DiagnosticsEngine &Diag) const { … }

/// Based on the way the client configured the Diagnostic
/// object, classify the specified diagnostic ID into a Level, consumable by
/// the DiagnosticClient.
///
/// \param Loc The source location we are interested in finding out the
/// diagnostic state. Can be null in order to query the latest state.
diag::Severity
DiagnosticIDs::getDiagnosticSeverity(unsigned DiagID, SourceLocation Loc,
                                     const DiagnosticsEngine &Diag) const { … }

DiagnosticIDs::Class DiagnosticIDs::getDiagClass(unsigned DiagID) const { … }

#define GET_DIAG_ARRAYS
#include "clang/Basic/DiagnosticGroups.inc"
#undef GET_DIAG_ARRAYS

namespace {
  struct WarningOption { … };
}

// Second the table of options, sorted by name for fast binary lookup.
static const WarningOption OptionTable[] = …;

/// Given a diagnostic group ID, return its documentation.
StringRef DiagnosticIDs::getWarningOptionDocumentation(diag::Group Group) { … }

StringRef DiagnosticIDs::getWarningOptionForGroup(diag::Group Group) { … }

std::optional<diag::Group>
DiagnosticIDs::getGroupForWarningOption(StringRef Name) { … }

std::optional<diag::Group>
DiagnosticIDs::getGroupForDiag(unsigned DiagID) const { … }

/// getWarningOptionForDiag - Return the lowest-level warning option that
/// enables the specified diagnostic.  If there is no -Wfoo flag that controls
/// the diagnostic, this returns null.
StringRef DiagnosticIDs::getWarningOptionForDiag(unsigned DiagID) { … }

std::vector<std::string> DiagnosticIDs::getDiagnosticFlags() { … }

/// Return \c true if any diagnostics were found in this group, even if they
/// were filtered out due to having the wrong flavor.
static bool getDiagnosticsInGroup(diag::Flavor Flavor,
                                  const WarningOption *Group,
                                  SmallVectorImpl<diag::kind> &Diags,
                                  diag::CustomDiagInfo *CustomDiagInfo) { … }

bool
DiagnosticIDs::getDiagnosticsInGroup(diag::Flavor Flavor, StringRef Group,
                                     SmallVectorImpl<diag::kind> &Diags) const { … }

template <class Func>
static void forEachSubGroupImpl(const WarningOption *Group, Func func) { … }

template <class Func>
static void forEachSubGroup(diag::Group Group, Func func) { … }

void DiagnosticIDs::setGroupSeverity(StringRef Group, diag::Severity Sev) { … }

void DiagnosticIDs::setGroupNoWarningsAsError(StringRef Group, bool Val) { … }

void DiagnosticIDs::getAllDiagnostics(diag::Flavor Flavor,
                                      std::vector<diag::kind> &Diags) { … }

StringRef DiagnosticIDs::getNearestOption(diag::Flavor Flavor,
                                          StringRef Group) { … }

/// ProcessDiag - This is the method used to report a diagnostic that is
/// finally fully formed.
bool DiagnosticIDs::ProcessDiag(DiagnosticsEngine &Diag) const { … }

void DiagnosticIDs::EmitDiag(DiagnosticsEngine &Diag, Level DiagLevel) const { … }

bool DiagnosticIDs::isUnrecoverable(unsigned DiagID) const { … }

bool DiagnosticIDs::isARCDiagnostic(unsigned DiagID) { … }

bool DiagnosticIDs::isCodegenABICheckDiagnostic(unsigned DiagID) { … }
llvm/clang/lib/Basic/DiagnosticIDs.cpp
