1*e5dd7070Spatrick //===--- Frame.h - Call frame for the VM and AST Walker ---------*- C++ -*-===// 2*e5dd7070Spatrick // 3*e5dd7070Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*e5dd7070Spatrick // See https://llvm.org/LICENSE.txt for license information. 5*e5dd7070Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*e5dd7070Spatrick // 7*e5dd7070Spatrick //===----------------------------------------------------------------------===// 8*e5dd7070Spatrick // 9*e5dd7070Spatrick // Defines the base class of interpreter and evaluator stack frames. 10*e5dd7070Spatrick // 11*e5dd7070Spatrick //===----------------------------------------------------------------------===// 12*e5dd7070Spatrick 13*e5dd7070Spatrick #ifndef LLVM_CLANG_AST_INTERP_FRAME_H 14*e5dd7070Spatrick #define LLVM_CLANG_AST_INTERP_FRAME_H 15*e5dd7070Spatrick 16*e5dd7070Spatrick #include "clang/Basic/SourceLocation.h" 17*e5dd7070Spatrick #include "llvm/Support/raw_ostream.h" 18*e5dd7070Spatrick 19*e5dd7070Spatrick namespace clang { 20*e5dd7070Spatrick class FunctionDecl; 21*e5dd7070Spatrick 22*e5dd7070Spatrick namespace interp { 23*e5dd7070Spatrick 24*e5dd7070Spatrick /// Base class for stack frames, shared between VM and walker. 25*e5dd7070Spatrick class Frame { 26*e5dd7070Spatrick public: 27*e5dd7070Spatrick virtual ~Frame(); 28*e5dd7070Spatrick 29*e5dd7070Spatrick /// Generates a human-readable description of the call site. 30*e5dd7070Spatrick virtual void describe(llvm::raw_ostream &OS) = 0; 31*e5dd7070Spatrick 32*e5dd7070Spatrick /// Returns a pointer to the caller frame. 33*e5dd7070Spatrick virtual Frame *getCaller() const = 0; 34*e5dd7070Spatrick 35*e5dd7070Spatrick /// Returns the location of the call site. 36*e5dd7070Spatrick virtual SourceLocation getCallLocation() const = 0; 37*e5dd7070Spatrick 38*e5dd7070Spatrick /// Returns the called function's declaration. 39*e5dd7070Spatrick virtual const FunctionDecl *getCallee() const = 0; 40*e5dd7070Spatrick }; 41*e5dd7070Spatrick 42*e5dd7070Spatrick } // namespace interp 43*e5dd7070Spatrick } // namespace clang 44*e5dd7070Spatrick 45*e5dd7070Spatrick #endif 46