1 //===-- CommandObjectExpression.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_CommandObjectExpression_h_
11 #define liblldb_CommandObjectExpression_h_
12 
13 // C Includes
14 // C++ Includes
15 // Other libraries and framework includes
16 // Project includes
17 #include "lldb/Interpreter/CommandObject.h"
18 #include "lldb/Core/Options.h"
19 #include "lldb/Core/Language.h"
20 #include "lldb/Target/ExecutionContext.h"
21 
22 namespace lldb_private {
23 
24 class CommandObjectExpression : public CommandObject
25 {
26 public:
27 
28     class CommandOptions : public Options
29     {
30     public:
31 
32         CommandOptions ();
33 
34         virtual
35         ~CommandOptions ();
36 
37         virtual Error
38         SetOptionValue (int option_idx, const char *option_arg);
39 
40         void
41         ResetOptionValues ();
42 
43         const lldb::OptionDefinition*
44         GetDefinitions ();
45 
46         // Options table: Required for subclasses of Options.
47 
48         static lldb::OptionDefinition g_option_table[];
49         Language  language;
50         lldb::Encoding  encoding;
51         lldb::Format    format;
52         bool        debug;
53         bool        show_types;
54         bool        show_summary;
55     };
56 
57     CommandObjectExpression ();
58 
59     virtual
60     ~CommandObjectExpression ();
61 
62     virtual
63     Options *
64     GetOptions ();
65 
66 
67     virtual bool
68     Execute (Args& command,
69              CommandContext *context,
70              CommandInterpreter *interpreter,
71              CommandReturnObject &result);
72 
73     virtual bool
74     WantsRawCommandString() { return true; }
75 
76     virtual bool
77     ExecuteRawCommandString (const char *command,
78                              CommandContext *context,
79                              CommandInterpreter *interpreter,
80                              CommandReturnObject &result);
81 
82 protected:
83 
84     static size_t
85     MultiLineExpressionCallback (void *baton,
86                                  InputReader *reader,
87                                  lldb::InputReaderAction notification,
88                                  const char *bytes,
89                                  size_t bytes_len);
90 
91     bool
92     EvaluateExpression (const char *expr,
93                         bool bare,
94                         Stream &output_stream,
95                         Stream &error_stream);
96 
97     CommandOptions m_options;
98     ExecutionContext m_exe_ctx;
99     uint32_t m_expr_line_count;
100     std::string m_expr_lines; // Multi-line expression support
101 };
102 
103 } // namespace lldb_private
104 
105 #endif  // liblldb_CommandObjectExpression_h_
106