1 //===----------------------- FunctionPointer.cpp ----------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "FunctionPointer.h" 10 11 namespace clang { 12 namespace interp { 13 14 APValue FunctionPointer::toAPValue(const ASTContext &) const { 15 if (!Func) 16 return APValue(static_cast<Expr *>(nullptr), CharUnits::Zero(), {}, 17 /*OnePastTheEnd=*/false, /*IsNull=*/true); 18 19 if (!Valid) 20 return APValue(static_cast<Expr *>(nullptr), 21 CharUnits::fromQuantity(getIntegerRepresentation()), {}, 22 /*OnePastTheEnd=*/false, /*IsNull=*/false); 23 24 if (Func->getDecl()) 25 return APValue(Func->getDecl(), CharUnits::fromQuantity(Offset), {}, 26 /*OnePastTheEnd=*/false, /*IsNull=*/false); 27 return APValue(Func->getExpr(), CharUnits::fromQuantity(Offset), {}, 28 /*OnePastTheEnd=*/false, /*IsNull=*/false); 29 } 30 31 void FunctionPointer::print(llvm::raw_ostream &OS) const { 32 OS << "FnPtr("; 33 if (Func && Valid) 34 OS << Func->getName(); 35 else if (Func) 36 OS << reinterpret_cast<uintptr_t>(Func); 37 else 38 OS << "nullptr"; 39 OS << ") + " << Offset; 40 } 41 42 } // namespace interp 43 } // namespace clang 44