maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[NFC] Make formatting changes to ASTBitCodes.h ahead of a functional change

This commit is contained in:
Daniel Grumberg 2020-06-11 10:22:14 +01:00
parent 5cca9828ff
commit afa42e4c92
1 changed files with 66 additions and 66 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

132
clang/include/clang/Serialization/ASTBitCodes.h
View File

@ -30,84 +30,84 @@
namespace clang {
namespace serialization {
/// AST file major version number supported by this version of
/// Clang.
///
/// Whenever the AST file format changes in a way that makes it
/// incompatible with previous versions (such that a reader
/// designed for the previous version could not support reading
/// the new version), this number should be increased.
///
/// Version 4 of AST files also requires that the version control branch and
/// revision match exactly, since there is no backward compatibility of
/// AST files at this time.
const unsigned VERSION_MAJOR = 10;
/// AST file major version number supported by this version of
/// Clang.
///
/// Whenever the AST file format changes in a way that makes it
/// incompatible with previous versions (such that a reader
/// designed for the previous version could not support reading
/// the new version), this number should be increased.
///
/// Version 4 of AST files also requires that the version control branch and
/// revision match exactly, since there is no backward compatibility of
/// AST files at this time.
const unsigned VERSION_MAJOR = 10;
/// AST file minor version number supported by this version of
/// Clang.
///
/// Whenever the AST format changes in a way that is still
/// compatible with previous versions (such that a reader designed
/// for the previous version could still support reading the new
/// version by ignoring new kinds of subblocks), this number
/// should be increased.
const unsigned VERSION_MINOR = 0;
/// AST file minor version number supported by this version of
/// Clang.
///
/// Whenever the AST format changes in a way that is still
/// compatible with previous versions (such that a reader designed
/// for the previous version could still support reading the new
/// version by ignoring new kinds of subblocks), this number
/// should be increased.
const unsigned VERSION_MINOR = 0;
/// An ID number that refers to an identifier in an AST file.
///
/// The ID numbers of identifiers are consecutive (in order of discovery)
/// and start at 1. 0 is reserved for NULL.
using IdentifierID = uint32_t;
/// An ID number that refers to an identifier in an AST file.
///
/// The ID numbers of identifiers are consecutive (in order of discovery)
/// and start at 1. 0 is reserved for NULL.
using IdentifierID = uint32_t;
/// An ID number that refers to a declaration in an AST file.
///
/// The ID numbers of declarations are consecutive (in order of
/// discovery), with values below NUM_PREDEF_DECL_IDS being reserved.
/// At the start of a chain of precompiled headers, declaration ID 1 is
/// used for the translation unit declaration.
using DeclID = uint32_t;
/// An ID number that refers to a declaration in an AST file.
///
/// The ID numbers of declarations are consecutive (in order of
/// discovery), with values below NUM_PREDEF_DECL_IDS being reserved.
/// At the start of a chain of precompiled headers, declaration ID 1 is
/// used for the translation unit declaration.
using DeclID = uint32_t;
// FIXME: Turn these into classes so we can have some type safety when
// we go from local ID to global and vice-versa.
using LocalDeclID = DeclID;
using GlobalDeclID = DeclID;
// FIXME: Turn these into classes so we can have some type safety when
// we go from local ID to global and vice-versa.
using LocalDeclID = DeclID;
using GlobalDeclID = DeclID;
/// An ID number that refers to a type in an AST file.
///
/// The ID of a type is partitioned into two parts: the lower
/// three bits are used to store the const/volatile/restrict
/// qualifiers (as with QualType) and the upper bits provide a
/// type index. The type index values are partitioned into two
/// sets. The values below NUM_PREDEF_TYPE_IDs are predefined type
/// IDs (based on the PREDEF_TYPE_*_ID constants), with 0 as a
/// placeholder for "no type". Values from NUM_PREDEF_TYPE_IDs are
/// other types that have serialized representations.
using TypeID = uint32_t;
/// An ID number that refers to a type in an AST file.
///
/// The ID of a type is partitioned into two parts: the lower
/// three bits are used to store the const/volatile/restrict
/// qualifiers (as with QualType) and the upper bits provide a
/// type index. The type index values are partitioned into two
/// sets. The values below NUM_PREDEF_TYPE_IDs are predefined type
/// IDs (based on the PREDEF_TYPE_*_ID constants), with 0 as a
/// placeholder for "no type". Values from NUM_PREDEF_TYPE_IDs are
/// other types that have serialized representations.
using TypeID = uint32_t;
/// A type index; the type ID with the qualifier bits removed.
class TypeIdx {
uint32_t Idx = 0;
/// A type index; the type ID with the qualifier bits removed.
class TypeIdx {
uint32_t Idx = 0;
public:
TypeIdx() = default;
explicit TypeIdx(uint32_t index) : Idx(index) {}
public:
TypeIdx() = default;
explicit TypeIdx(uint32_t index) : Idx(index) {}
uint32_t getIndex() const { return Idx; }
uint32_t getIndex() const { return Idx; }
TypeID asTypeID(unsigned FastQuals) const {
if (Idx == uint32_t(-1))
return TypeID(-1);
TypeID asTypeID(unsigned FastQuals) const {
if (Idx == uint32_t(-1))
return TypeID(-1);
return (Idx << Qualifiers::FastWidth) | FastQuals;
}
return (Idx << Qualifiers::FastWidth) | FastQuals;
}
static TypeIdx fromTypeID(TypeID ID) {
if (ID == TypeID(-1))
return TypeIdx(-1);
static TypeIdx fromTypeID(TypeID ID) {
if (ID == TypeID(-1))
return TypeIdx(-1);
return TypeIdx(ID >> Qualifiers::FastWidth);
}
};
return TypeIdx(ID >> Qualifiers::FastWidth);
}
};
/// A structure for putting "fast"-unqualified QualTypes into a
/// DenseMap. This uses the standard pointer hash function.