clang-1/tools/diagtool/DiagnosticNames.h

129 строки
3.5 KiB
C++

//===- DiagnosticNames.h - Defines a table of all builtin diagnostics ------==//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/DataTypes.h"
namespace diagtool {
struct DiagnosticRecord {
const char *NameStr;
short DiagID;
uint8_t NameLen;
llvm::StringRef getName() const {
return llvm::StringRef(NameStr, NameLen);
}
bool operator<(const DiagnosticRecord &Other) const {
return getName() < Other.getName();
}
};
/// \brief Get every diagnostic in the system, sorted by name.
llvm::ArrayRef<DiagnosticRecord> getBuiltinDiagnosticsByName();
/// \brief Get a diagnostic by its ID.
const DiagnosticRecord &getDiagnosticForID(short DiagID);
struct GroupRecord {
// Be safe with the size of 'NameLen' because we don't statically check if
// the size will fit in the field; the struct size won't decrease with a
// shorter type anyway.
size_t NameLen;
const char *NameStr;
const short *Members;
const short *SubGroups;
llvm::StringRef getName() const {
return llvm::StringRef(NameStr, NameLen);
}
template<typename RecordType>
class group_iterator {
const short *CurrentID;
friend struct GroupRecord;
group_iterator(const short *Start) : CurrentID(Start) {
if (CurrentID && *CurrentID == -1)
CurrentID = 0;
}
public:
typedef RecordType value_type;
typedef const value_type & reference;
typedef const value_type * pointer;
typedef std::forward_iterator_tag iterator_category;
typedef std::ptrdiff_t difference_type;
inline reference operator*() const;
inline pointer operator->() const {
return &operator*();
}
inline short getID() const {
return *CurrentID;
}
group_iterator &operator++() {
++CurrentID;
if (*CurrentID == -1)
CurrentID = 0;
return *this;
}
bool operator==(group_iterator &Other) const {
return CurrentID == Other.CurrentID;
}
bool operator!=(group_iterator &Other) const {
return CurrentID != Other.CurrentID;
}
};
typedef group_iterator<GroupRecord> subgroup_iterator;
subgroup_iterator subgroup_begin() const {
return SubGroups;
}
subgroup_iterator subgroup_end() const {
return 0;
}
typedef group_iterator<DiagnosticRecord> diagnostics_iterator;
diagnostics_iterator diagnostics_begin() const {
return Members;
}
diagnostics_iterator diagnostics_end() const {
return 0;
}
bool operator<(const GroupRecord &Other) const {
return getName() < Other.getName();
}
};
/// \brief Get every diagnostic group in the system, sorted by name.
llvm::ArrayRef<GroupRecord> getDiagnosticGroups();
template<>
inline GroupRecord::subgroup_iterator::reference
GroupRecord::subgroup_iterator::operator*() const {
return getDiagnosticGroups()[*CurrentID];
}
template<>
inline GroupRecord::diagnostics_iterator::reference
GroupRecord::diagnostics_iterator::operator*() const {
return getDiagnosticForID(*CurrentID);
}
} // end namespace diagtool