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/lldb-private-enumerations.h"
18 #include "lldb/Core/IOHandler.h"
19 #include "lldb/Interpreter/CommandObject.h"
20 #include "lldb/Interpreter/OptionGroupBoolean.h"
21 #include "lldb/Interpreter/OptionGroupFormat.h"
22 #include "lldb/Interpreter/OptionGroupValueObjectDisplay.h"
23 #include "lldb/Target/ExecutionContext.h"
24 namespace lldb_private {
25 
26 class CommandObjectExpression :
27     public CommandObjectRaw,
28     public IOHandlerDelegate
29 {
30 public:
31 
32     class CommandOptions : public OptionGroup
33     {
34     public:
35 
36         CommandOptions ();
37 
38         ~CommandOptions() override;
39 
40         uint32_t
41         GetNumDefinitions() override;
42 
43         const OptionDefinition*
44         GetDefinitions() override;
45 
46         Error
47         SetOptionValue(uint32_t option_idx,
48                        const char *option_value,
49                        ExecutionContext *execution_context) override;
50 
51         void
52         OptionParsingStarting(ExecutionContext *execution_context) override;
53 
54         // Options table: Required for subclasses of Options.
55 
56         static OptionDefinition g_option_table[];
57         bool        top_level;
58         bool        unwind_on_error;
59         bool        ignore_breakpoints;
60         bool        allow_jit;
61         bool        show_types;
62         bool        show_summary;
63         bool        debug;
64         uint32_t    timeout;
65         bool        try_all_threads;
66         lldb::LanguageType language;
67         LanguageRuntimeDescriptionDisplayVerbosity m_verbosity;
68         LazyBool        auto_apply_fixits;
69     };
70 
71     CommandObjectExpression (CommandInterpreter &interpreter);
72 
73     ~CommandObjectExpression() override;
74 
75     Options *
76     GetOptions() override;
77 
78 protected:
79 
80     //------------------------------------------------------------------
81     // IOHandler::Delegate functions
82     //------------------------------------------------------------------
83     void
84     IOHandlerInputComplete(IOHandler &io_handler,
85 			   std::string &line) override;
86 
87     bool
88     IOHandlerIsInputComplete (IOHandler &io_handler,
89                               StringList &lines) override;
90 
91     bool
92     DoExecute(const char *command,
93 	      CommandReturnObject &result) override;
94 
95     bool
96     EvaluateExpression (const char *expr,
97                         Stream *output_stream,
98                         Stream *error_stream,
99                         CommandReturnObject *result = NULL);
100 
101     void
102     GetMultilineExpression ();
103 
104     OptionGroupOptions m_option_group;
105     OptionGroupFormat m_format_options;
106     OptionGroupValueObjectDisplay m_varobj_options;
107     OptionGroupBoolean m_repl_option;
108     CommandOptions m_command_options;
109     uint32_t m_expr_line_count;
110     std::string m_expr_lines; // Multi-line expression support
111     std::string m_fixed_expression;  // Holds the current expression's fixed text.
112 };
113 
114 } // namespace lldb_private
115 
116 #endif // liblldb_CommandObjectExpression_h_
117