950b70dcc7
Summary: This patch introduces the skeleton of the constexpr interpreter, capable of evaluating a simple constexpr functions consisting of if statements. The interpreter is described in more detail in the RFC. Further patches will add more features. Reviewers: Bigcheese, jfb, rsmith Subscribers: bruno, uenoku, ldionne, Tyker, thegameg, tschuett, dexonsmith, mgorny, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D64146 llvm-svn: 371834
47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
//===--- Record.cpp - struct and class metadata for the VM ------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "Record.h"
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using namespace clang;
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using namespace clang::interp;
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Record::Record(const RecordDecl *Decl, BaseList &&SrcBases,
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FieldList &&SrcFields, VirtualBaseList &&SrcVirtualBases,
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unsigned VirtualSize, unsigned BaseSize)
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: Decl(Decl), Bases(std::move(SrcBases)), Fields(std::move(SrcFields)),
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BaseSize(BaseSize), VirtualSize(VirtualSize) {
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for (Base &V : SrcVirtualBases)
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VirtualBases.push_back({ V.Decl, V.Offset + BaseSize, V.Desc, V.R });
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for (Base &B : Bases)
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BaseMap[B.Decl] = &B;
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for (Field &F : Fields)
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FieldMap[F.Decl] = &F;
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for (Base &V : VirtualBases)
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VirtualBaseMap[V.Decl] = &V;
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}
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const Record::Field *Record::getField(const FieldDecl *FD) const {
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auto It = FieldMap.find(FD);
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assert(It != FieldMap.end() && "Missing field");
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return It->second;
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}
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const Record::Base *Record::getBase(const RecordDecl *FD) const {
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auto It = BaseMap.find(FD);
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assert(It != BaseMap.end() && "Missing base");
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return It->second;
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}
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const Record::Base *Record::getVirtualBase(const RecordDecl *FD) const {
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auto It = VirtualBaseMap.find(FD);
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assert(It != VirtualBaseMap.end() && "Missing virtual base");
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return It->second;
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}
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