1*a07aba5dSTimm Baeder //===--- Frame.h - Call frame for the VM and AST Walker ---------*- C++ -*-===// 2*a07aba5dSTimm Baeder // 3*a07aba5dSTimm Baeder // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*a07aba5dSTimm Baeder // See https://llvm.org/LICENSE.txt for license information. 5*a07aba5dSTimm Baeder // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*a07aba5dSTimm Baeder // 7*a07aba5dSTimm Baeder //===----------------------------------------------------------------------===// 8*a07aba5dSTimm Baeder // 9*a07aba5dSTimm Baeder // Defines the base class of interpreter and evaluator stack frames. 10*a07aba5dSTimm Baeder // 11*a07aba5dSTimm Baeder //===----------------------------------------------------------------------===// 12*a07aba5dSTimm Baeder 13*a07aba5dSTimm Baeder #ifndef LLVM_CLANG_AST_INTERP_FRAME_H 14*a07aba5dSTimm Baeder #define LLVM_CLANG_AST_INTERP_FRAME_H 15*a07aba5dSTimm Baeder 16*a07aba5dSTimm Baeder #include "clang/Basic/SourceLocation.h" 17*a07aba5dSTimm Baeder #include "llvm/Support/raw_ostream.h" 18*a07aba5dSTimm Baeder 19*a07aba5dSTimm Baeder namespace clang { 20*a07aba5dSTimm Baeder class FunctionDecl; 21*a07aba5dSTimm Baeder 22*a07aba5dSTimm Baeder namespace interp { 23*a07aba5dSTimm Baeder 24*a07aba5dSTimm Baeder /// Base class for stack frames, shared between VM and walker. 25*a07aba5dSTimm Baeder class Frame { 26*a07aba5dSTimm Baeder public: 27*a07aba5dSTimm Baeder virtual ~Frame(); 28*a07aba5dSTimm Baeder 29*a07aba5dSTimm Baeder /// Generates a human-readable description of the call site. 30*a07aba5dSTimm Baeder virtual void describe(llvm::raw_ostream &OS) const = 0; 31*a07aba5dSTimm Baeder 32*a07aba5dSTimm Baeder /// Returns a pointer to the caller frame. 33*a07aba5dSTimm Baeder virtual Frame *getCaller() const = 0; 34*a07aba5dSTimm Baeder 35*a07aba5dSTimm Baeder /// Returns the location of the call site. 36*a07aba5dSTimm Baeder virtual SourceRange getCallRange() const = 0; 37*a07aba5dSTimm Baeder 38*a07aba5dSTimm Baeder /// Returns the called function's declaration. 39*a07aba5dSTimm Baeder virtual const FunctionDecl *getCallee() const = 0; 40*a07aba5dSTimm Baeder }; 41*a07aba5dSTimm Baeder 42*a07aba5dSTimm Baeder } // namespace interp 43*a07aba5dSTimm Baeder } // namespace clang 44*a07aba5dSTimm Baeder 45*a07aba5dSTimm Baeder #endif 46