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//===--- 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/Serialization/ASTDeserializationListener.h"
#include "clang/Basic/IdentifierTable.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;
}
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;
}
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