From 519fc96c475680de2cc49e7811dbbfadb912cbcc Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Wed, 23 Oct 2019 17:52:09 +0000
Subject: Vendor import of stripped clang trunk r375505, the last commit before
 the upstream Subversion repository was made read-only, and the LLVM project
 migrated to GitHub:

https://llvm.org/svn/llvm-project/cfe/trunk@375505
---
 lib/AST/Interp/Frame.h | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 lib/AST/Interp/Frame.h

(limited to 'lib/AST/Interp/Frame.h')

diff --git a/lib/AST/Interp/Frame.h b/lib/AST/Interp/Frame.h
new file mode 100644
index 0000000000000..b9a0ea9412f83
--- /dev/null
+++ b/lib/AST/Interp/Frame.h
@@ -0,0 +1,45 @@
+//===--- Frame.h - Call frame for the VM and AST Walker ---------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Defines the base class of interpreter and evaluator stack frames.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_AST_INTERP_FRAME_H
+#define LLVM_CLANG_AST_INTERP_FRAME_H
+
+#include "clang/Basic/SourceLocation.h"
+#include "llvm/Support/raw_ostream.h"
+
+namespace clang {
+class FunctionDecl;
+
+namespace interp {
+
+/// Base class for stack frames, shared between VM and walker.
+class Frame {
+public:
+  virtual ~Frame();
+
+  /// Generates a human-readable description of the call site.
+  virtual void describe(llvm::raw_ostream &OS) = 0;
+
+  /// Returns a pointer to the caller frame.
+  virtual Frame *getCaller() const = 0;
+
+  /// Returns the location of the call site.
+  virtual SourceLocation getCallLocation() const = 0;
+
+  /// Returns the called function's declaration.
+  virtual const FunctionDecl *getCallee() const = 0;
+};
+
+} // namespace interp
+} // namespace clang
+
+#endif
-- 
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