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Diffstat (limited to 'include/clang/Basic/DiagnosticIDs.h')
-rw-r--r-- | include/clang/Basic/DiagnosticIDs.h | 287 |
1 files changed, 0 insertions, 287 deletions
diff --git a/include/clang/Basic/DiagnosticIDs.h b/include/clang/Basic/DiagnosticIDs.h deleted file mode 100644 index a675dfa..0000000 --- a/include/clang/Basic/DiagnosticIDs.h +++ /dev/null @@ -1,287 +0,0 @@ -//===--- DiagnosticIDs.h - Diagnostic IDs Handling --------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -/// -/// \file -/// \brief Defines the Diagnostic IDs-related interfaces. -/// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_CLANG_BASIC_DIAGNOSTICIDS_H -#define LLVM_CLANG_BASIC_DIAGNOSTICIDS_H - -#include "clang/Basic/LLVM.h" -#include "llvm/ADT/IntrusiveRefCntPtr.h" -#include "llvm/ADT/StringRef.h" - -namespace clang { - class DiagnosticsEngine; - class SourceLocation; - - // Import the diagnostic enums themselves. - namespace diag { - // Start position for diagnostics. - enum { - DIAG_START_COMMON = 0, - DIAG_START_DRIVER = DIAG_START_COMMON + 300, - DIAG_START_FRONTEND = DIAG_START_DRIVER + 100, - DIAG_START_SERIALIZATION = DIAG_START_FRONTEND + 100, - DIAG_START_LEX = DIAG_START_SERIALIZATION + 120, - DIAG_START_PARSE = DIAG_START_LEX + 300, - DIAG_START_AST = DIAG_START_PARSE + 500, - DIAG_START_COMMENT = DIAG_START_AST + 110, - DIAG_START_SEMA = DIAG_START_COMMENT + 100, - DIAG_START_ANALYSIS = DIAG_START_SEMA + 3000, - DIAG_UPPER_LIMIT = DIAG_START_ANALYSIS + 100 - }; - - class CustomDiagInfo; - - /// \brief All of the diagnostics that can be emitted by the frontend. - typedef unsigned kind; - - // Get typedefs for common diagnostics. - enum { -#define DIAG(ENUM,FLAGS,DEFAULT_MAPPING,DESC,GROUP,\ - SFINAE,CATEGORY,NOWERROR,SHOWINSYSHEADER) ENUM, -#define COMMONSTART -#include "clang/Basic/DiagnosticCommonKinds.inc" - NUM_BUILTIN_COMMON_DIAGNOSTICS -#undef DIAG - }; - - /// Enum values that allow the client to map NOTEs, WARNINGs, and EXTENSIONs - /// 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 { - // NOTE: 0 means "uncomputed". - Ignored = 1, ///< Do not present this diagnostic, ignore it. - Remark = 2, ///< Present this diagnostic as a remark. - Warning = 3, ///< Present this diagnostic as a warning. - Error = 4, ///< Present this diagnostic as an error. - Fatal = 5 ///< Present this diagnostic as a fatal error. - }; - - /// Flavors of diagnostics we can emit. Used to filter for a particular - /// kind of diagnostic (for instance, for -W/-R flags). - enum class Flavor { - WarningOrError, ///< A diagnostic that indicates a problem or potential - ///< problem. Can be made fatal by -Werror. - Remark ///< A diagnostic that indicates normal progress through - ///< compilation. - }; - } - -class DiagnosticMapping { - unsigned Severity : 3; - unsigned IsUser : 1; - unsigned IsPragma : 1; - unsigned HasNoWarningAsError : 1; - unsigned HasNoErrorAsFatal : 1; - -public: - static DiagnosticMapping Make(diag::Severity Severity, bool IsUser, - bool IsPragma) { - DiagnosticMapping Result; - Result.Severity = (unsigned)Severity; - Result.IsUser = IsUser; - Result.IsPragma = IsPragma; - Result.HasNoWarningAsError = 0; - Result.HasNoErrorAsFatal = 0; - return Result; - } - - diag::Severity getSeverity() const { return (diag::Severity)Severity; } - void setSeverity(diag::Severity Value) { Severity = (unsigned)Value; } - - bool isUser() const { return IsUser; } - bool isPragma() const { return IsPragma; } - - bool hasNoWarningAsError() const { return HasNoWarningAsError; } - void setNoWarningAsError(bool Value) { HasNoWarningAsError = Value; } - - bool hasNoErrorAsFatal() const { return HasNoErrorAsFatal; } - void setNoErrorAsFatal(bool Value) { HasNoErrorAsFatal = Value; } -}; - -/// \brief Used for handling and querying diagnostic IDs. -/// -/// Can be used and shared by multiple Diagnostics for multiple translation units. -class DiagnosticIDs : public RefCountedBase<DiagnosticIDs> { -public: - /// \brief The level of the diagnostic, after it has been through mapping. - enum Level { - Ignored, Note, Remark, Warning, Error, Fatal - }; - -private: - /// \brief Information for uniquing and looking up custom diags. - diag::CustomDiagInfo *CustomDiagInfo; - -public: - DiagnosticIDs(); - ~DiagnosticIDs(); - - /// \brief Return an ID for a diagnostic with the specified format string and - /// level. - /// - /// If this is the first request for this diagnostic, it is registered and - /// created, otherwise the existing ID is returned. - - // 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); - - //===--------------------------------------------------------------------===// - // Diagnostic classification and reporting interfaces. - // - - /// \brief Given a diagnostic ID, return a description of the issue. - StringRef getDescription(unsigned DiagID) const; - - /// \brief 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); - - /// \brief Return true if the specified diagnostic is mapped to errors by - /// default. - static bool isDefaultMappingAsError(unsigned DiagID); - - /// \brief Determine whether the given built-in diagnostic ID is a Note. - static bool isBuiltinNote(unsigned DiagID); - - /// \brief Determine whether the given built-in diagnostic ID is for an - /// extension of some sort. - static bool isBuiltinExtensionDiag(unsigned DiagID) { - bool ignored; - return isBuiltinExtensionDiag(DiagID, ignored); - } - - /// \brief Determine whether the given built-in 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); - - - /// \brief 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); - - /// \brief Return the category number that a specified \p DiagID belongs to, - /// or 0 if no category. - static unsigned getCategoryNumberForDiag(unsigned DiagID); - - /// \brief Return the number of diagnostic categories. - static unsigned getNumberOfCategories(); - - /// \brief Given a category ID, return the name of the category. - static StringRef getCategoryNameFromID(unsigned CategoryID); - - /// \brief Return true if a given diagnostic falls into an ARC diagnostic - /// category. - static bool isARCDiagnostic(unsigned DiagID); - - /// \brief Enumeration describing how the emission of a diagnostic should - /// be treated when it occurs during C++ template argument deduction. - enum SFINAEResponse { - /// \brief The diagnostic should not be reported, but it should cause - /// template argument deduction to fail. - /// - /// The vast majority of errors that occur during template argument - /// deduction fall into this category. - SFINAE_SubstitutionFailure, - - /// \brief The diagnostic should be suppressed entirely. - /// - /// Warnings generally fall into this category. - SFINAE_Suppress, - - /// \brief The diagnostic should be reported. - /// - /// The diagnostic should be reported. Various fatal errors (e.g., - /// template instantiation depth exceeded) fall into this category. - SFINAE_Report, - - /// \brief The diagnostic is an access-control diagnostic, which will be - /// substitution failures in some contexts and reported in others. - SFINAE_AccessControl - }; - - /// \brief Determines whether the given built-in diagnostic ID is - /// for an error that is suppressed if it occurs during C++ template - /// argument deduction. - /// - /// When an error is suppressed due to SFINAE, the template argument - /// deduction fails but no diagnostic is emitted. Certain classes of - /// errors, such as those errors that involve C++ access control, - /// are not SFINAE errors. - static SFINAEResponse getDiagnosticSFINAEResponse(unsigned DiagID); - - /// \brief Get the set of all diagnostic IDs in the group with the given name. - /// - /// \param[out] Diags - On return, the diagnostics in the group. - /// \returns \c true if the given group is unknown, \c false otherwise. - bool getDiagnosticsInGroup(diag::Flavor Flavor, StringRef Group, - SmallVectorImpl<diag::kind> &Diags) const; - - /// \brief Get the set of all diagnostic IDs. - void getAllDiagnostics(diag::Flavor Flavor, - SmallVectorImpl<diag::kind> &Diags) const; - - /// \brief Get the diagnostic option with the closest edit distance to the - /// given group name. - static StringRef getNearestOption(diag::Flavor Flavor, StringRef Group); - -private: - /// \brief Classify the specified diagnostic ID into a Level, consumable by - /// the DiagnosticClient. - /// - /// The classification is based on the way the client configured the - /// DiagnosticsEngine object. - /// - /// \param Loc The source location for which we are interested in finding out - /// the diagnostic state. Can be null in order to query the latest state. - DiagnosticIDs::Level - getDiagnosticLevel(unsigned DiagID, SourceLocation Loc, - const DiagnosticsEngine &Diag) const LLVM_READONLY; - - diag::Severity - getDiagnosticSeverity(unsigned DiagID, SourceLocation Loc, - const DiagnosticsEngine &Diag) const LLVM_READONLY; - - /// \brief Used to report a diagnostic that is finally fully formed. - /// - /// \returns \c true if the diagnostic was emitted, \c false if it was - /// suppressed. - bool ProcessDiag(DiagnosticsEngine &Diag) const; - - /// \brief Used to emit a diagnostic that is finally fully formed, - /// ignoring suppression. - void EmitDiag(DiagnosticsEngine &Diag, Level DiagLevel) const; - - /// \brief Whether the diagnostic may leave the AST in a state where some - /// invariants can break. - bool isUnrecoverable(unsigned DiagID) const; - - friend class DiagnosticsEngine; -}; - -} // end namespace clang - -#endif |