74 lines
3.3 KiB
C++
74 lines
3.3 KiB
C++
//===--- ASTCommon.cpp - Common stuff for ASTReader/ASTWriter----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines common functions that both ASTReader and ASTWriter use.
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//
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//===----------------------------------------------------------------------===//
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#include "ASTCommon.h"
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#include "clang/Serialization/ASTDeserializationListener.h"
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#include "clang/Basic/IdentifierTable.h"
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#include "llvm/ADT/StringExtras.h"
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using namespace clang;
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// Give ASTDeserializationListener's VTable a home.
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ASTDeserializationListener::~ASTDeserializationListener() { }
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serialization::TypeIdx
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serialization::TypeIdxFromBuiltin(const BuiltinType *BT) {
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unsigned ID = 0;
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switch (BT->getKind()) {
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case BuiltinType::Void: ID = PREDEF_TYPE_VOID_ID; break;
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case BuiltinType::Bool: ID = PREDEF_TYPE_BOOL_ID; break;
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case BuiltinType::Char_U: ID = PREDEF_TYPE_CHAR_U_ID; break;
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case BuiltinType::UChar: ID = PREDEF_TYPE_UCHAR_ID; break;
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case BuiltinType::UShort: ID = PREDEF_TYPE_USHORT_ID; break;
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case BuiltinType::UInt: ID = PREDEF_TYPE_UINT_ID; break;
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case BuiltinType::ULong: ID = PREDEF_TYPE_ULONG_ID; break;
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case BuiltinType::ULongLong: ID = PREDEF_TYPE_ULONGLONG_ID; break;
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case BuiltinType::UInt128: ID = PREDEF_TYPE_UINT128_ID; break;
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case BuiltinType::Char_S: ID = PREDEF_TYPE_CHAR_S_ID; break;
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case BuiltinType::SChar: ID = PREDEF_TYPE_SCHAR_ID; break;
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case BuiltinType::WChar: ID = PREDEF_TYPE_WCHAR_ID; break;
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case BuiltinType::Short: ID = PREDEF_TYPE_SHORT_ID; break;
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case BuiltinType::Int: ID = PREDEF_TYPE_INT_ID; break;
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case BuiltinType::Long: ID = PREDEF_TYPE_LONG_ID; break;
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case BuiltinType::LongLong: ID = PREDEF_TYPE_LONGLONG_ID; break;
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case BuiltinType::Int128: ID = PREDEF_TYPE_INT128_ID; break;
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case BuiltinType::Float: ID = PREDEF_TYPE_FLOAT_ID; break;
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case BuiltinType::Double: ID = PREDEF_TYPE_DOUBLE_ID; break;
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case BuiltinType::LongDouble: ID = PREDEF_TYPE_LONGDOUBLE_ID; break;
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case BuiltinType::NullPtr: ID = PREDEF_TYPE_NULLPTR_ID; break;
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case BuiltinType::Char16: ID = PREDEF_TYPE_CHAR16_ID; break;
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case BuiltinType::Char32: ID = PREDEF_TYPE_CHAR32_ID; break;
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case BuiltinType::Overload: ID = PREDEF_TYPE_OVERLOAD_ID; break;
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case BuiltinType::Dependent: ID = PREDEF_TYPE_DEPENDENT_ID; break;
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case BuiltinType::ObjCId: ID = PREDEF_TYPE_OBJC_ID; break;
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case BuiltinType::ObjCClass: ID = PREDEF_TYPE_OBJC_CLASS; break;
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case BuiltinType::ObjCSel: ID = PREDEF_TYPE_OBJC_SEL; break;
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case BuiltinType::UndeducedAuto:
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assert(0 && "Should not see undeduced auto here");
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break;
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}
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return TypeIdx(ID);
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}
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unsigned serialization::ComputeHash(Selector Sel) {
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unsigned N = Sel.getNumArgs();
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if (N == 0)
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++N;
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unsigned R = 5381;
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for (unsigned I = 0; I != N; ++I)
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if (IdentifierInfo *II = Sel.getIdentifierInfoForSlot(I))
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R = llvm::HashString(II->getName(), R);
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return R;
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}
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