1*a7dea167SDimitry Andric //===--- Frame.h - Call frame for the VM and AST Walker ---------*- C++ -*-===// 2*a7dea167SDimitry Andric // 3*a7dea167SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*a7dea167SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*a7dea167SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*a7dea167SDimitry Andric // 7*a7dea167SDimitry Andric //===----------------------------------------------------------------------===// 8*a7dea167SDimitry Andric // 9*a7dea167SDimitry Andric // Defines the base class of interpreter and evaluator stack frames. 10*a7dea167SDimitry Andric // 11*a7dea167SDimitry Andric //===----------------------------------------------------------------------===// 12*a7dea167SDimitry Andric 13*a7dea167SDimitry Andric #ifndef LLVM_CLANG_AST_INTERP_FRAME_H 14*a7dea167SDimitry Andric #define LLVM_CLANG_AST_INTERP_FRAME_H 15*a7dea167SDimitry Andric 16*a7dea167SDimitry Andric #include "clang/Basic/SourceLocation.h" 17*a7dea167SDimitry Andric #include "llvm/Support/raw_ostream.h" 18*a7dea167SDimitry Andric 19*a7dea167SDimitry Andric namespace clang { 20*a7dea167SDimitry Andric class FunctionDecl; 21*a7dea167SDimitry Andric 22*a7dea167SDimitry Andric namespace interp { 23*a7dea167SDimitry Andric 24*a7dea167SDimitry Andric /// Base class for stack frames, shared between VM and walker. 25*a7dea167SDimitry Andric class Frame { 26*a7dea167SDimitry Andric public: 27*a7dea167SDimitry Andric virtual ~Frame(); 28*a7dea167SDimitry Andric 29*a7dea167SDimitry Andric /// Generates a human-readable description of the call site. 30*a7dea167SDimitry Andric virtual void describe(llvm::raw_ostream &OS) = 0; 31*a7dea167SDimitry Andric 32*a7dea167SDimitry Andric /// Returns a pointer to the caller frame. 33*a7dea167SDimitry Andric virtual Frame *getCaller() const = 0; 34*a7dea167SDimitry Andric 35*a7dea167SDimitry Andric /// Returns the location of the call site. 36*a7dea167SDimitry Andric virtual SourceLocation getCallLocation() const = 0; 37*a7dea167SDimitry Andric 38*a7dea167SDimitry Andric /// Returns the called function's declaration. 39*a7dea167SDimitry Andric virtual const FunctionDecl *getCallee() const = 0; 40*a7dea167SDimitry Andric }; 41*a7dea167SDimitry Andric 42*a7dea167SDimitry Andric } // namespace interp 43*a7dea167SDimitry Andric } // namespace clang 44*a7dea167SDimitry Andric 45*a7dea167SDimitry Andric #endif 46