1 //===-- ExpressionSourceCode.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_ExpressionSourceCode_h
11 #define liblldb_ExpressionSourceCode_h
12 
13 #include "lldb/lldb-enumerations.h"
14 
15 #include <string>
16 
17 namespace lldb_private {
18 
19 class ExecutionContext;
20 
21 class ExpressionSourceCode {
22 public:
23   static const char *g_expression_prefix;
24 
CreateWrapped(const char * prefix,const char * body)25   static ExpressionSourceCode *CreateWrapped(const char *prefix,
26                                              const char *body) {
27     return new ExpressionSourceCode("$__lldb_expr", prefix, body, true);
28   }
29 
CreateUnwrapped(const char * name,const char * body)30   static ExpressionSourceCode *CreateUnwrapped(const char *name,
31                                                const char *body) {
32     return new ExpressionSourceCode(name, "", body, false);
33   }
34 
NeedsWrapping()35   bool NeedsWrapping() const { return m_wrap; }
36 
GetName()37   const char *GetName() const { return m_name.c_str(); }
38 
39   bool GetText(std::string &text, lldb::LanguageType wrapping_language,
40                bool static_method, ExecutionContext &exe_ctx) const;
41 
42   // Given a string returned by GetText, find the beginning and end of the body
43   // passed to CreateWrapped. Return true if the bounds could be found.  This
44   // will also work on text with FixItHints applied.
45   static bool GetOriginalBodyBounds(std::string transformed_text,
46                                     lldb::LanguageType wrapping_language,
47                                     size_t &start_loc, size_t &end_loc);
48 
49 private:
ExpressionSourceCode(const char * name,const char * prefix,const char * body,bool wrap)50   ExpressionSourceCode(const char *name, const char *prefix, const char *body,
51                        bool wrap)
52       : m_name(name), m_prefix(prefix), m_body(body), m_wrap(wrap) {}
53 
54   std::string m_name;
55   std::string m_prefix;
56   std::string m_body;
57   bool m_wrap;
58 };
59 
60 } // namespace lldb_private
61 
62 #endif
63