diff options
Diffstat (limited to 'lib/AST/Type.cpp')
| -rw-r--r-- | lib/AST/Type.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/AST/Type.cpp b/lib/AST/Type.cpp index 24cf853555..ad5026b98b 100644 --- a/lib/AST/Type.cpp +++ b/lib/AST/Type.cpp @@ -510,6 +510,8 @@ bool Type::isIntegerType() const { // FIXME: In C++, enum types are never integer types. if (TT->getDecl()->isEnum() && TT->getDecl()->isDefinition()) return true; + if (isa<FixedWidthIntType>(CanonicalType)) + return true; if (const VectorType *VT = dyn_cast<VectorType>(CanonicalType)) return VT->getElementType()->isIntegerType(); if (const ASQualType *ASQT = dyn_cast<ASQualType>(CanonicalType)) @@ -525,6 +527,8 @@ bool Type::isIntegralType() const { if (TT->getDecl()->isEnum() && TT->getDecl()->isDefinition()) return true; // Complete enum types are integral. // FIXME: In C++, enum types are never integral. + if (isa<FixedWidthIntType>(CanonicalType)) + return true; if (const ASQualType *ASQT = dyn_cast<ASQualType>(CanonicalType)) return ASQT->getBaseType()->isIntegralType(); return false; @@ -578,6 +582,10 @@ bool Type::isSignedIntegerType() const { if (const EnumType *ET = dyn_cast<EnumType>(CanonicalType)) return ET->getDecl()->getIntegerType()->isSignedIntegerType(); + if (const FixedWidthIntType *FWIT = + dyn_cast<FixedWidthIntType>(CanonicalType)) + return FWIT->isSigned(); + if (const VectorType *VT = dyn_cast<VectorType>(CanonicalType)) return VT->getElementType()->isSignedIntegerType(); if (const ASQualType *ASQT = dyn_cast<ASQualType>(CanonicalType)) @@ -598,6 +606,10 @@ bool Type::isUnsignedIntegerType() const { if (const EnumType *ET = dyn_cast<EnumType>(CanonicalType)) return ET->getDecl()->getIntegerType()->isUnsignedIntegerType(); + if (const FixedWidthIntType *FWIT = + dyn_cast<FixedWidthIntType>(CanonicalType)) + return !FWIT->isSigned(); + if (const VectorType *VT = dyn_cast<VectorType>(CanonicalType)) return VT->getElementType()->isUnsignedIntegerType(); if (const ASQualType *ASQT = dyn_cast<ASQualType>(CanonicalType)) @@ -635,6 +647,8 @@ bool Type::isRealType() const { BT->getKind() <= BuiltinType::LongDouble; if (const TagType *TT = dyn_cast<TagType>(CanonicalType)) return TT->getDecl()->isEnum() && TT->getDecl()->isDefinition(); + if (isa<FixedWidthIntType>(CanonicalType)) + return true; if (const VectorType *VT = dyn_cast<VectorType>(CanonicalType)) return VT->getElementType()->isRealType(); if (const ASQualType *ASQT = dyn_cast<ASQualType>(CanonicalType)) @@ -650,6 +664,8 @@ bool Type::isArithmeticType() const { // GCC allows forward declaration of enum types (forbid by C99 6.7.2.3p2). // If a body isn't seen by the time we get here, return false. return ET->getDecl()->isDefinition(); + if (isa<FixedWidthIntType>(CanonicalType)) + return true; if (const ASQualType *ASQT = dyn_cast<ASQualType>(CanonicalType)) return ASQT->getBaseType()->isArithmeticType(); return isa<ComplexType>(CanonicalType) || isa<VectorType>(CanonicalType); @@ -667,6 +683,8 @@ bool Type::isScalarType() const { } if (const ASQualType *ASQT = dyn_cast<ASQualType>(CanonicalType)) return ASQT->getBaseType()->isScalarType(); + if (isa<FixedWidthIntType>(CanonicalType)) + return true; return isa<PointerType>(CanonicalType) || isa<BlockPointerType>(CanonicalType) || isa<MemberPointerType>(CanonicalType) || @@ -1014,6 +1032,21 @@ void BuiltinType::getAsStringInternal(std::string &S) const { } } +void FixedWidthIntType::getAsStringInternal(std::string &S) const { + // FIXME: Once we get bitwidth attribute, write as + // "int __attribute__((bitwidth(x)))". + std::string prefix = "__clang_fixedwidth"; + prefix += llvm::utostr_32(Width); + prefix += (char)(Signed ? 'S' : 'U'); + if (S.empty()) { + S = prefix; + } else { + // Prefix the basic type, e.g. 'int X'. + S = prefix + S; + } +} + + void ComplexType::getAsStringInternal(std::string &S) const { ElementType->getAsStringInternal(S); S = "_Complex " + S; |