219 lines
8 KiB
C++
219 lines
8 KiB
C++
|
//===--- ASTCommon.cpp - Common stuff for ASTReader/ASTWriter----*- C++ -*-===//
|
||
|
|
//
|
||
|
|
// The LLVM Compiler Infrastructure
|
||
|
|
//
|
||
|
|
// This file is distributed under the University of Illinois Open Source
|
||
|
|
// License. See LICENSE.TXT for details.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// This file defines common functions that both ASTReader and ASTWriter use.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#include "ASTCommon.h"
|
||
|
|
#include "clang/AST/DeclObjC.h"
|
||
|
|
#include "clang/Basic/IdentifierTable.h"
|
||
|
|
#include "clang/Serialization/ASTDeserializationListener.h"
|
||
|
|
#include "llvm/ADT/StringExtras.h"
|
||
|
|
|
||
|
|
using namespace clang;
|
||
|
|
|
||
|
|
// Give ASTDeserializationListener's VTable a home.
|
||
|
|
ASTDeserializationListener::~ASTDeserializationListener() { }
|
||
|
|
|
||
|
|
serialization::TypeIdx
|
||
|
|
serialization::TypeIdxFromBuiltin(const BuiltinType *BT) {
|
||
|
|
unsigned ID = 0;
|
||
|
|
switch (BT->getKind()) {
|
||
|
|
case BuiltinType::Void: ID = PREDEF_TYPE_VOID_ID; break;
|
||
|
|
case BuiltinType::Bool: ID = PREDEF_TYPE_BOOL_ID; break;
|
||
|
|
case BuiltinType::Char_U: ID = PREDEF_TYPE_CHAR_U_ID; break;
|
||
|
|
case BuiltinType::UChar: ID = PREDEF_TYPE_UCHAR_ID; break;
|
||
|
|
case BuiltinType::UShort: ID = PREDEF_TYPE_USHORT_ID; break;
|
||
|
|
case BuiltinType::UInt: ID = PREDEF_TYPE_UINT_ID; break;
|
||
|
|
case BuiltinType::ULong: ID = PREDEF_TYPE_ULONG_ID; break;
|
||
|
|
case BuiltinType::ULongLong: ID = PREDEF_TYPE_ULONGLONG_ID; break;
|
||
|
|
case BuiltinType::UInt128: ID = PREDEF_TYPE_UINT128_ID; break;
|
||
|
|
case BuiltinType::Char_S: ID = PREDEF_TYPE_CHAR_S_ID; break;
|
||
|
|
case BuiltinType::SChar: ID = PREDEF_TYPE_SCHAR_ID; break;
|
||
|
|
case BuiltinType::WChar_S:
|
||
|
|
case BuiltinType::WChar_U: ID = PREDEF_TYPE_WCHAR_ID; break;
|
||
|
|
case BuiltinType::Short: ID = PREDEF_TYPE_SHORT_ID; break;
|
||
|
|
case BuiltinType::Int: ID = PREDEF_TYPE_INT_ID; break;
|
||
|
|
case BuiltinType::Long: ID = PREDEF_TYPE_LONG_ID; break;
|
||
|
|
case BuiltinType::LongLong: ID = PREDEF_TYPE_LONGLONG_ID; break;
|
||
|
|
case BuiltinType::Int128: ID = PREDEF_TYPE_INT128_ID; break;
|
||
|
|
case BuiltinType::Half: ID = PREDEF_TYPE_HALF_ID; break;
|
||
|
|
case BuiltinType::Float: ID = PREDEF_TYPE_FLOAT_ID; break;
|
||
|
|
case BuiltinType::Double: ID = PREDEF_TYPE_DOUBLE_ID; break;
|
||
|
|
case BuiltinType::LongDouble: ID = PREDEF_TYPE_LONGDOUBLE_ID; break;
|
||
|
|
case BuiltinType::NullPtr: ID = PREDEF_TYPE_NULLPTR_ID; break;
|
||
|
|
case BuiltinType::Char16: ID = PREDEF_TYPE_CHAR16_ID; break;
|
||
|
|
case BuiltinType::Char32: ID = PREDEF_TYPE_CHAR32_ID; break;
|
||
|
|
case BuiltinType::Overload: ID = PREDEF_TYPE_OVERLOAD_ID; break;
|
||
|
|
case BuiltinType::BoundMember:ID = PREDEF_TYPE_BOUND_MEMBER; break;
|
||
|
|
case BuiltinType::PseudoObject:ID = PREDEF_TYPE_PSEUDO_OBJECT;break;
|
||
|
|
case BuiltinType::Dependent: ID = PREDEF_TYPE_DEPENDENT_ID; break;
|
||
|
|
case BuiltinType::UnknownAny: ID = PREDEF_TYPE_UNKNOWN_ANY; break;
|
||
|
|
case BuiltinType::ARCUnbridgedCast:
|
||
|
|
ID = PREDEF_TYPE_ARC_UNBRIDGED_CAST; break;
|
||
|
|
case BuiltinType::ObjCId: ID = PREDEF_TYPE_OBJC_ID; break;
|
||
|
|
case BuiltinType::ObjCClass: ID = PREDEF_TYPE_OBJC_CLASS; break;
|
||
|
|
case BuiltinType::ObjCSel: ID = PREDEF_TYPE_OBJC_SEL; break;
|
||
|
|
case BuiltinType::OCLImage1d: ID = PREDEF_TYPE_IMAGE1D_ID; break;
|
||
|
|
case BuiltinType::OCLImage1dArray: ID = PREDEF_TYPE_IMAGE1D_ARR_ID; break;
|
||
|
|
case BuiltinType::OCLImage1dBuffer: ID = PREDEF_TYPE_IMAGE1D_BUFF_ID; break;
|
||
|
|
case BuiltinType::OCLImage2d: ID = PREDEF_TYPE_IMAGE2D_ID; break;
|
||
|
|
case BuiltinType::OCLImage2dArray: ID = PREDEF_TYPE_IMAGE2D_ARR_ID; break;
|
||
|
|
case BuiltinType::OCLImage3d: ID = PREDEF_TYPE_IMAGE3D_ID; break;
|
||
|
|
case BuiltinType::OCLSampler: ID = PREDEF_TYPE_SAMPLER_ID; break;
|
||
|
|
case BuiltinType::OCLEvent: ID = PREDEF_TYPE_EVENT_ID; break;
|
||
|
|
case BuiltinType::BuiltinFn:
|
||
|
|
ID = PREDEF_TYPE_BUILTIN_FN; break;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
return TypeIdx(ID);
|
||
|
|
}
|
||
|
|
|
||
|
|
unsigned serialization::ComputeHash(Selector Sel) {
|
||
|
|
unsigned N = Sel.getNumArgs();
|
||
|
|
if (N == 0)
|
||
|
|
++N;
|
||
|
|
unsigned R = 5381;
|
||
|
|
for (unsigned I = 0; I != N; ++I)
|
||
|
|
if (IdentifierInfo *II = Sel.getIdentifierInfoForSlot(I))
|
||
|
|
R = llvm::HashString(II->getName(), R);
|
||
|
|
return R;
|
||
|
|
}
|
||
|
|
|
||
|
|
const DeclContext *
|
||
|
|
serialization::getDefinitiveDeclContext(const DeclContext *DC) {
|
||
|
|
switch (DC->getDeclKind()) {
|
||
|
|
// These entities may have multiple definitions.
|
||
|
|
case Decl::TranslationUnit:
|
||
|
|
case Decl::Namespace:
|
||
|
|
case Decl::LinkageSpec:
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
// C/C++ tag types can only be defined in one place.
|
||
|
|
case Decl::Enum:
|
||
|
|
case Decl::Record:
|
||
|
|
if (const TagDecl *Def = cast<TagDecl>(DC)->getDefinition())
|
||
|
|
return Def;
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
// FIXME: These can be defined in one place... except special member
|
||
|
|
// functions and out-of-line definitions.
|
||
|
|
case Decl::CXXRecord:
|
||
|
|
case Decl::ClassTemplateSpecialization:
|
||
|
|
case Decl::ClassTemplatePartialSpecialization:
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
// Each function, method, and block declaration is its own DeclContext.
|
||
|
|
case Decl::Function:
|
||
|
|
case Decl::CXXMethod:
|
||
|
|
case Decl::CXXConstructor:
|
||
|
|
case Decl::CXXDestructor:
|
||
|
|
case Decl::CXXConversion:
|
||
|
|
case Decl::ObjCMethod:
|
||
|
|
case Decl::Block:
|
||
|
|
case Decl::Captured:
|
||
|
|
// Objective C categories, category implementations, and class
|
||
|
|
// implementations can only be defined in one place.
|
||
|
|
case Decl::ObjCCategory:
|
||
|
|
case Decl::ObjCCategoryImpl:
|
||
|
|
case Decl::ObjCImplementation:
|
||
|
|
return DC;
|
||
|
|
|
||
|
|
case Decl::ObjCProtocol:
|
||
|
|
if (const ObjCProtocolDecl *Def
|
||
|
|
= cast<ObjCProtocolDecl>(DC)->getDefinition())
|
||
|
|
return Def;
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
// FIXME: These are defined in one place, but properties in class extensions
|
||
|
|
// end up being back-patched into the main interface. See
|
||
|
|
// Sema::HandlePropertyInClassExtension for the offending code.
|
||
|
|
case Decl::ObjCInterface:
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
default:
|
||
|
|
llvm_unreachable("Unhandled DeclContext in AST reader");
|
||
|
|
}
|
||
|
|
|
||
|
|
llvm_unreachable("Unhandled decl kind");
|
||
|
|
}
|
||
|
|
|
||
|
|
bool serialization::isRedeclarableDeclKind(unsigned Kind) {
|
||
|
|
switch (static_cast<Decl::Kind>(Kind)) {
|
||
|
|
case Decl::TranslationUnit: // Special case of a "merged" declaration.
|
||
|
|
case Decl::Namespace:
|
||
|
|
case Decl::NamespaceAlias: // FIXME: Not yet redeclarable, but will be.
|
||
|
|
case Decl::Typedef:
|
||
|
|
case Decl::TypeAlias:
|
||
|
|
case Decl::Enum:
|
||
|
|
case Decl::Record:
|
||
|
|
case Decl::CXXRecord:
|
||
|
|
case Decl::ClassTemplateSpecialization:
|
||
|
|
case Decl::ClassTemplatePartialSpecialization:
|
||
|
|
case Decl::VarTemplateSpecialization:
|
||
|
|
case Decl::VarTemplatePartialSpecialization:
|
||
|
|
case Decl::Function:
|
||
|
|
case Decl::CXXMethod:
|
||
|
|
case Decl::CXXConstructor:
|
||
|
|
case Decl::CXXDestructor:
|
||
|
|
case Decl::CXXConversion:
|
||
|
|
case Decl::UsingShadow:
|
||
|
|
case Decl::Var:
|
||
|
|
case Decl::FunctionTemplate:
|
||
|
|
case Decl::ClassTemplate:
|
||
|
|
case Decl::VarTemplate:
|
||
|
|
case Decl::TypeAliasTemplate:
|
||
|
|
case Decl::ObjCProtocol:
|
||
|
|
case Decl::ObjCInterface:
|
||
|
|
case Decl::Empty:
|
||
|
|
return true;
|
||
|
|
|
||
|
|
// Never redeclarable.
|
||
|
|
case Decl::UsingDirective:
|
||
|
|
case Decl::Label:
|
||
|
|
case Decl::UnresolvedUsingTypename:
|
||
|
|
case Decl::TemplateTypeParm:
|
||
|
|
case Decl::EnumConstant:
|
||
|
|
case Decl::UnresolvedUsingValue:
|
||
|
|
case Decl::IndirectField:
|
||
|
|
case Decl::Field:
|
||
|
|
case Decl::MSProperty:
|
||
|
|
case Decl::ObjCIvar:
|
||
|
|
case Decl::ObjCAtDefsField:
|
||
|
|
case Decl::ImplicitParam:
|
||
|
|
case Decl::ParmVar:
|
||
|
|
case Decl::NonTypeTemplateParm:
|
||
|
|
case Decl::TemplateTemplateParm:
|
||
|
|
case Decl::Using:
|
||
|
|
case Decl::ObjCMethod:
|
||
|
|
case Decl::ObjCCategory:
|
||
|
|
case Decl::ObjCCategoryImpl:
|
||
|
|
case Decl::ObjCImplementation:
|
||
|
|
case Decl::ObjCProperty:
|
||
|
|
case Decl::ObjCCompatibleAlias:
|
||
|
|
case Decl::LinkageSpec:
|
||
|
|
case Decl::ObjCPropertyImpl:
|
||
|
|
case Decl::FileScopeAsm:
|
||
|
|
case Decl::AccessSpec:
|
||
|
|
case Decl::Friend:
|
||
|
|
case Decl::FriendTemplate:
|
||
|
|
case Decl::StaticAssert:
|
||
|
|
case Decl::Block:
|
||
|
|
case Decl::Captured:
|
||
|
|
case Decl::ClassScopeFunctionSpecialization:
|
||
|
|
case Decl::Import:
|
||
|
|
case Decl::OMPThreadPrivate:
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
llvm_unreachable("Unhandled declaration kind");
|
||
|
|
}
|