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_
15 // Other libraries and framework includes
17 #include "lldb/lldb-private.h"
19 namespace lldb_private {
21 //----------------------------------------------------------------------
22 /// @class ExecutionContextScope ExecutionContextScope.h "lldb/Symbol/ExecutionContextScope.h"
23 /// @brief Inherit from this if your object can reconstruct its
24 /// execution context.
26 /// Many objects that have pointers back to parent execution context
27 /// objects can inherit from this pure virtual class can reconstruct
28 /// their execution context without having to keep a complete
29 /// ExecutionContext object in the object state. Examples of these
30 /// objects include: Process, Thread, RegisterContext and StackFrame.
32 /// Bbjects can contain a valid pointer to an instance of this so they
33 /// can reconstruct the execution context.
35 /// Objects that adhere to this protocol can reconstruct enough of a
36 /// execution context to allow functions that take a execution contexts
38 //----------------------------------------------------------------------
39 class ExecutionContextScope
43 ~ExecutionContextScope () {}
45 virtual lldb::TargetSP
46 CalculateTarget () = 0;
48 virtual lldb::ProcessSP
49 CalculateProcess () = 0;
51 virtual lldb::ThreadSP
52 CalculateThread () = 0;
54 virtual lldb::StackFrameSP
55 CalculateStackFrame () = 0;
57 //------------------------------------------------------------------
58 /// Reconstruct the object's execution context into \a sc.
60 /// The object should fill in as much of the ExecutionContextScope as it
61 /// can so function calls that require a execution context can be made
62 /// for the given object.
64 /// @param[out] exe_ctx
65 /// A reference to an execution context object that gets filled
67 //------------------------------------------------------------------
69 CalculateExecutionContext (ExecutionContext &exe_ctx) = 0;
72 } // namespace lldb_private
74 #endif // liblldb_ExecutionContextScope_h_