clang
3.9.0
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We can encode up to four bits in the low bits of a type pointer, but there are many more type qualifiers that we want to be able to apply to an arbitrary type. More...
#include <Type.h>
Public Member Functions | |
ExtQuals (const Type *baseType, QualType canon, Qualifiers quals) | |
Qualifiers | getQualifiers () const |
bool | hasObjCGCAttr () const |
Qualifiers::GC | getObjCGCAttr () const |
bool | hasObjCLifetime () const |
Qualifiers::ObjCLifetime | getObjCLifetime () const |
bool | hasAddressSpace () const |
unsigned | getAddressSpace () const |
const Type * | getBaseType () const |
void | Profile (llvm::FoldingSetNodeID &ID) const |
Static Public Member Functions | |
static void | Profile (llvm::FoldingSetNodeID &ID, const Type *BaseType, Qualifiers Quals) |
We can encode up to four bits in the low bits of a type pointer, but there are many more type qualifiers that we want to be able to apply to an arbitrary type.
Therefore we have this struct, intended to be heap-allocated and used by QualType to store qualifiers.
The current design tags the 'const', 'restrict', and 'volatile' qualifiers in three low bits on the QualType pointer; a fourth bit records whether the pointer is an ExtQuals node. The extended qualifiers (address spaces, Objective-C GC attributes) are much more rare.
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Definition at line 1194 of file Type.h.
References clang::Qualifiers::hasFastQualifiers(), and clang::Qualifiers::hasNonFastQualifiers().
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Definition at line 1216 of file Type.h.
References clang::Qualifiers::getAddressSpace().
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Definition at line 1218 of file Type.h.
Referenced by Profile(), clang::QualType::split(), and clang::QualifierCollector::strip().
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Definition at line 1208 of file Type.h.
References clang::Qualifiers::getObjCGCAttr().
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Definition at line 1211 of file Type.h.
References clang::Qualifiers::getObjCLifetime().
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Definition at line 1205 of file Type.h.
Referenced by clang::QualType::split(), and clang::QualifierCollector::strip().
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Definition at line 1215 of file Type.h.
References clang::Qualifiers::hasAddressSpace().
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Definition at line 1207 of file Type.h.
References clang::Qualifiers::hasObjCGCAttr().
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Definition at line 1210 of file Type.h.
References clang::Qualifiers::hasObjCLifetime().
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Definition at line 1221 of file Type.h.
References getBaseType().
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inlinestatic |
Definition at line 1224 of file Type.h.
References clang::Qualifiers::hasFastQualifiers(), and clang::Qualifiers::Profile().