ASTCommon.cpp revision 234353
1216594Ssyrinx//===--- ASTCommon.cpp - Common stuff for ASTReader/ASTWriter----*- C++ -*-===// 2216594Ssyrinx// 3216594Ssyrinx// The LLVM Compiler Infrastructure 4216594Ssyrinx// 5216594Ssyrinx// This file is distributed under the University of Illinois Open Source 6216594Ssyrinx// License. See LICENSE.TXT for details. 7216594Ssyrinx// 8216594Ssyrinx//===----------------------------------------------------------------------===// 9216594Ssyrinx// 10216594Ssyrinx// This file defines common functions that both ASTReader and ASTWriter use. 11216594Ssyrinx// 12216594Ssyrinx//===----------------------------------------------------------------------===// 13216594Ssyrinx 14216594Ssyrinx#include "ASTCommon.h" 15216594Ssyrinx#include "clang/Serialization/ASTDeserializationListener.h" 16216594Ssyrinx#include "clang/Basic/IdentifierTable.h" 17216594Ssyrinx#include "llvm/ADT/StringExtras.h" 18216594Ssyrinx 19216594Ssyrinxusing namespace clang; 20216594Ssyrinx 21216594Ssyrinx// Give ASTDeserializationListener's VTable a home. 22216594SsyrinxASTDeserializationListener::~ASTDeserializationListener() { } 23216594Ssyrinx 24216594Ssyrinxserialization::TypeIdx 25216594Ssyrinxserialization::TypeIdxFromBuiltin(const BuiltinType *BT) { 26216594Ssyrinx unsigned ID = 0; 27216594Ssyrinx switch (BT->getKind()) { 28216594Ssyrinx case BuiltinType::Void: ID = PREDEF_TYPE_VOID_ID; break; 29216594Ssyrinx case BuiltinType::Bool: ID = PREDEF_TYPE_BOOL_ID; break; 30216594Ssyrinx case BuiltinType::Char_U: ID = PREDEF_TYPE_CHAR_U_ID; break; 31216594Ssyrinx case BuiltinType::UChar: ID = PREDEF_TYPE_UCHAR_ID; break; 32216594Ssyrinx case BuiltinType::UShort: ID = PREDEF_TYPE_USHORT_ID; break; 33216594Ssyrinx case BuiltinType::UInt: ID = PREDEF_TYPE_UINT_ID; break; 34216594Ssyrinx case BuiltinType::ULong: ID = PREDEF_TYPE_ULONG_ID; break; 35216594Ssyrinx case BuiltinType::ULongLong: ID = PREDEF_TYPE_ULONGLONG_ID; break; 36216594Ssyrinx case BuiltinType::UInt128: ID = PREDEF_TYPE_UINT128_ID; break; 37216594Ssyrinx case BuiltinType::Char_S: ID = PREDEF_TYPE_CHAR_S_ID; break; 38216594Ssyrinx case BuiltinType::SChar: ID = PREDEF_TYPE_SCHAR_ID; break; 39216594Ssyrinx case BuiltinType::WChar_S: 40216594Ssyrinx case BuiltinType::WChar_U: ID = PREDEF_TYPE_WCHAR_ID; break; 41216594Ssyrinx case BuiltinType::Short: ID = PREDEF_TYPE_SHORT_ID; break; 42216594Ssyrinx case BuiltinType::Int: ID = PREDEF_TYPE_INT_ID; break; 43216594Ssyrinx case BuiltinType::Long: ID = PREDEF_TYPE_LONG_ID; break; 44216594Ssyrinx case BuiltinType::LongLong: ID = PREDEF_TYPE_LONGLONG_ID; break; 45216594Ssyrinx case BuiltinType::Int128: ID = PREDEF_TYPE_INT128_ID; break; 46216594Ssyrinx case BuiltinType::Half: ID = PREDEF_TYPE_HALF_ID; break; 47216594Ssyrinx case BuiltinType::Float: ID = PREDEF_TYPE_FLOAT_ID; break; 48216594Ssyrinx case BuiltinType::Double: ID = PREDEF_TYPE_DOUBLE_ID; break; 49216594Ssyrinx case BuiltinType::LongDouble: ID = PREDEF_TYPE_LONGDOUBLE_ID; break; 50216594Ssyrinx case BuiltinType::NullPtr: ID = PREDEF_TYPE_NULLPTR_ID; break; 51216594Ssyrinx case BuiltinType::Char16: ID = PREDEF_TYPE_CHAR16_ID; break; 52216594Ssyrinx case BuiltinType::Char32: ID = PREDEF_TYPE_CHAR32_ID; break; 53216594Ssyrinx case BuiltinType::Overload: ID = PREDEF_TYPE_OVERLOAD_ID; break; 54216594Ssyrinx case BuiltinType::BoundMember:ID = PREDEF_TYPE_BOUND_MEMBER; break; 55216594Ssyrinx case BuiltinType::PseudoObject:ID = PREDEF_TYPE_PSEUDO_OBJECT;break; 56216594Ssyrinx case BuiltinType::Dependent: ID = PREDEF_TYPE_DEPENDENT_ID; break; 57216594Ssyrinx case BuiltinType::UnknownAny: ID = PREDEF_TYPE_UNKNOWN_ANY; break; 58216594Ssyrinx case BuiltinType::ARCUnbridgedCast: 59216594Ssyrinx ID = PREDEF_TYPE_ARC_UNBRIDGED_CAST; break; 60216594Ssyrinx case BuiltinType::ObjCId: ID = PREDEF_TYPE_OBJC_ID; break; 61216594Ssyrinx case BuiltinType::ObjCClass: ID = PREDEF_TYPE_OBJC_CLASS; break; 62216594Ssyrinx case BuiltinType::ObjCSel: ID = PREDEF_TYPE_OBJC_SEL; break; 63216594Ssyrinx } 64216594Ssyrinx 65216594Ssyrinx return TypeIdx(ID); 66216594Ssyrinx} 67216594Ssyrinx 68216594Ssyrinxunsigned serialization::ComputeHash(Selector Sel) { 69216594Ssyrinx unsigned N = Sel.getNumArgs(); 70216594Ssyrinx if (N == 0) 71216594Ssyrinx ++N; 72216594Ssyrinx unsigned R = 5381; 73216594Ssyrinx for (unsigned I = 0; I != N; ++I) 74216594Ssyrinx if (IdentifierInfo *II = Sel.getIdentifierInfoForSlot(I)) 75216594Ssyrinx R = llvm::HashString(II->getName(), R); 76216594Ssyrinx return R; 77216594Ssyrinx} 78216594Ssyrinx