10 #include "clang/AST/ASTContext.h" 11 #include "clang/AST/DeclTemplate.h" 12 #include "clang/AST/Type.h" 13 #include "clang/Index/USRGeneration.h" 14 #include "clang/Sema/CodeCompleteConsumer.h" 15 #include "llvm/ADT/None.h" 16 #include "llvm/ADT/STLExtras.h" 22 static const Type *toEquivClass(ASTContext &
Ctx, QualType T) {
23 if (T.isNull() || T->isDependentType())
26 T = T.getCanonicalType().getNonReferenceType();
28 if (T->isBooleanType())
29 return Ctx.BoolTy.getTypePtr();
30 if (T->isIntegerType() && !T->isEnumeralType())
31 return Ctx.IntTy.getTypePtr();
32 if (T->isFloatingType() && !T->isComplexType())
33 return Ctx.FloatTy.getTypePtr();
37 return Ctx.getPointerType(QualType(T->getArrayElementTypeNoTypeQual(), 0))
41 return T.getTypePtr();
44 static llvm::Optional<QualType>
45 typeOfCompletion(
const CodeCompletionResult &R) {
46 const NamedDecl *D = R.Declaration;
48 if (
auto *Template = dyn_cast_or_null<TemplateDecl>(D))
49 D = Template->getTemplatedDecl();
50 auto *VD = dyn_cast_or_null<ValueDecl>(D);
53 auto T = VD->getType();
56 if (
auto FuncT = T->getAs<FunctionType>()) {
61 return FuncT->getReturnType();
67 llvm::Optional<OpaqueType> OpaqueType::encode(ASTContext &Ctx, QualType T) {
70 const Type *C = toEquivClass(Ctx, T);
73 llvm::SmallString<128> Encoded;
74 if (index::generateUSRForType(QualType(C, 0), Ctx, Encoded))
76 return OpaqueType(Encoded.str());
79 OpaqueType::OpaqueType(std::string Data) : Data(std::move(Data)) {}
81 llvm::Optional<OpaqueType> OpaqueType::fromType(ASTContext &Ctx,
83 return encode(Ctx, Type);
86 llvm::Optional<OpaqueType>
87 OpaqueType::fromCompletionResult(ASTContext &Ctx,
88 const CodeCompletionResult &R) {
89 auto T = typeOfCompletion(R);
92 return encode(Ctx, *T);
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===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//