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 #include "lldb/Core/IOHandler.h"
14 #include "lldb/Interpreter/CommandObject.h"
15 #include "lldb/Interpreter/OptionGroupBoolean.h"
16 #include "lldb/Interpreter/OptionGroupFormat.h"
17 #include "lldb/Interpreter/OptionGroupValueObjectDisplay.h"
18 #include "lldb/Target/ExecutionContext.h"
19 #include "lldb/lldb-private-enumerations.h"
20 namespace lldb_private {
21 
22 class CommandObjectExpression : public CommandObjectRaw,
23                                 public IOHandlerDelegate {
24 public:
25   class CommandOptions : public OptionGroup {
26   public:
27     CommandOptions();
28 
29     ~CommandOptions() override;
30 
31     llvm::ArrayRef<OptionDefinition> GetDefinitions() override;
32 
33     Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_value,
34                           ExecutionContext *execution_context) override;
35 
36     void OptionParsingStarting(ExecutionContext *execution_context) override;
37 
38     bool top_level;
39     bool unwind_on_error;
40     bool ignore_breakpoints;
41     bool allow_jit;
42     bool show_types;
43     bool show_summary;
44     bool debug;
45     uint32_t timeout;
46     bool try_all_threads;
47     lldb::LanguageType language;
48     LanguageRuntimeDescriptionDisplayVerbosity m_verbosity;
49     LazyBool auto_apply_fixits;
50   };
51 
52   CommandObjectExpression(CommandInterpreter &interpreter);
53 
54   ~CommandObjectExpression() override;
55 
56   Options *GetOptions() override;
57 
58   int HandleCompletion(CompletionRequest &request) override;
59 
60 protected:
61   //------------------------------------------------------------------
62   // IOHandler::Delegate functions
63   //------------------------------------------------------------------
64   void IOHandlerInputComplete(IOHandler &io_handler,
65                               std::string &line) override;
66 
67   bool IOHandlerIsInputComplete(IOHandler &io_handler,
68                                 StringList &lines) override;
69 
70   bool DoExecute(llvm::StringRef command, CommandReturnObject &result) override;
71 
72   bool EvaluateExpression(llvm::StringRef expr, Stream *output_stream,
73                           Stream *error_stream,
74                           CommandReturnObject *result = NULL);
75 
76   void GetMultilineExpression();
77 
78   OptionGroupOptions m_option_group;
79   OptionGroupFormat m_format_options;
80   OptionGroupValueObjectDisplay m_varobj_options;
81   OptionGroupBoolean m_repl_option;
82   CommandOptions m_command_options;
83   uint32_t m_expr_line_count;
84   std::string m_expr_lines;       // Multi-line expression support
85   std::string m_fixed_expression; // Holds the current expression's fixed text.
86 };
87 
88 } // namespace lldb_private
89 
90 #endif // liblldb_CommandObjectExpression_h_
91