1 //===-- ExecutionContextScope.h ---------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef liblldb_ExecutionContextScope_h_
11 #define liblldb_ExecutionContextScope_h_
13 #include "lldb/lldb-private.h"
15 namespace lldb_private {
17 //----------------------------------------------------------------------
18 /// @class ExecutionContextScope ExecutionContextScope.h
19 /// "lldb/Symbol/ExecutionContextScope.h" Inherit from this if your object can
21 /// execution context.
23 /// Many objects that have pointers back to parent execution context objects
24 /// can inherit from this pure virtual class can reconstruct their execution
25 /// context without having to keep a complete ExecutionContext object in the
26 /// object state. Examples of these objects include: Process, Thread,
27 /// RegisterContext and StackFrame.
29 /// Objects can contain a valid pointer to an instance of this so they can
30 /// reconstruct the execution context.
32 /// Objects that adhere to this protocol can reconstruct enough of a execution
33 /// context to allow functions that take a execution contexts to be called.
34 //----------------------------------------------------------------------
35 class ExecutionContextScope {
37 virtual ~ExecutionContextScope() {}
39 virtual lldb::TargetSP CalculateTarget() = 0;
41 virtual lldb::ProcessSP CalculateProcess() = 0;
43 virtual lldb::ThreadSP CalculateThread() = 0;
45 virtual lldb::StackFrameSP CalculateStackFrame() = 0;
47 //------------------------------------------------------------------
48 /// Reconstruct the object's execution context into \a sc.
50 /// The object should fill in as much of the ExecutionContextScope as it can
51 /// so function calls that require a execution context can be made for the
54 /// @param[out] exe_ctx
55 /// A reference to an execution context object that gets filled
57 //------------------------------------------------------------------
58 virtual void CalculateExecutionContext(ExecutionContext &exe_ctx) = 0;
61 } // namespace lldb_private
63 #endif // liblldb_ExecutionContextScope_h_