LanguageRuntime.h revision d96df0a55f0a6e19af3d61d3f7ab5103ff96c543 
1//===-- LanguageRuntime.h ---------------------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef liblldb_LanguageRuntime_h_
11#define liblldb_LanguageRuntime_h_
12
13// C Includes
14// C++ Includes
15// Other libraries and framework includes
16// Project includes
17#include "lldb/lldb-public.h"
18#include "lldb/Breakpoint/BreakpointResolver.h"
19#include "lldb/Breakpoint/BreakpointResolverName.h"
20#include "lldb/Core/PluginInterface.h"
21#include "lldb/lldb-private.h"
22#include "lldb/Core/ValueObject.h"
23#include "lldb/Core/Value.h"
24#include "lldb/Target/ExecutionContextScope.h"
25
26class ExceptionBreakpointResolver;
27class ExceptionSearchFilter;
28
29namespace lldb_private {
30
31class LanguageRuntime :
32    public PluginInterface
33{
34public:
35    virtual
36    ~LanguageRuntime();
37
38    static LanguageRuntime*
39    FindPlugin (Process *process, lldb::LanguageType language);
40
41    virtual lldb::LanguageType
42    GetLanguageType () const = 0;
43
44    virtual bool
45    GetObjectDescription (Stream &str, ValueObject &object) = 0;
46
47    virtual bool
48    GetObjectDescription (Stream &str, Value &value, ExecutionContextScope *exe_scope) = 0;
49
50    // this call should return true if it could set the name and/or the type
51    virtual bool
52    GetDynamicTypeAndAddress (ValueObject &in_value,
53                              lldb::DynamicValueType use_dynamic,
54                              TypeAndOrName &class_type_or_name,
55                              Address &address) = 0;
56
57    // This should be a fast test to determine whether it is likely that this value would
58    // have a dynamic type.
59    virtual bool
60    CouldHaveDynamicValue (ValueObject &in_value) = 0;
61
62    virtual void
63    SetExceptionBreakpoints ()
64    {
65    }
66
67    virtual void
68    ClearExceptionBreakpoints ()
69    {
70    }
71
72    virtual bool
73    ExceptionBreakpointsExplainStop (lldb::StopInfoSP stop_reason)
74    {
75        return false;
76    }
77
78    static lldb::BreakpointSP
79    CreateExceptionBreakpoint (Target &target,
80                               lldb::LanguageType language,
81                               bool catch_bp,
82                               bool throw_bp,
83                               bool is_internal = false);
84
85    static lldb::LanguageType
86    GetLanguageTypeFromString (const char *string);
87
88    static const char *
89    GetNameForLanguageType (lldb::LanguageType language);
90
91    Process *
92    GetProcess()
93    {
94        return m_process;
95    }
96
97protected:
98    //------------------------------------------------------------------
99    // Classes that inherit from LanguageRuntime can see and modify these
100    //------------------------------------------------------------------
101    friend class ExceptionBreakpointResolver;
102    friend class ExceptionSearchFilter;
103
104    virtual lldb::BreakpointResolverSP
105    CreateExceptionResolver (Breakpoint *bkpt, bool catch_bp, bool throw_bp) = 0;
106
107    virtual lldb::SearchFilterSP
108    CreateExceptionSearchFilter ();
109
110    LanguageRuntime(Process *process);
111    Process *m_process;
112private:
113    DISALLOW_COPY_AND_ASSIGN (LanguageRuntime);
114};
115
116} // namespace lldb_private
117
118#endif  // liblldb_LanguageRuntime_h_
119