1 //===-- SBStructuredData.h --------------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef SBStructuredData_h 10 #define SBStructuredData_h 11 12 #include "lldb/API/SBDefines.h" 13 #include "lldb/API/SBModule.h" 14 15 namespace lldb { 16 17 class SBStructuredData { 18 public: 19 SBStructuredData(); 20 21 SBStructuredData(const lldb::SBStructuredData &rhs); 22 23 SBStructuredData(const lldb::EventSP &event_sp); 24 25 SBStructuredData(lldb_private::StructuredDataImpl *impl); 26 27 ~SBStructuredData(); 28 29 lldb::SBStructuredData &operator=(const lldb::SBStructuredData &rhs); 30 31 explicit operator bool() const; 32 33 bool IsValid() const; 34 35 lldb::SBError SetFromJSON(lldb::SBStream &stream); 36 37 void Clear(); 38 39 lldb::SBError GetAsJSON(lldb::SBStream &stream) const; 40 41 lldb::SBError GetDescription(lldb::SBStream &stream) const; 42 43 /// Return the type of data in this data structure 44 lldb::StructuredDataType GetType() const; 45 46 /// Return the size (i.e. number of elements) in this data structure 47 /// if it is an array or dictionary type. For other types, 0 will be 48 // returned. 49 size_t GetSize() const; 50 51 /// Fill keys with the keys in this object and return true if this data 52 /// structure is a dictionary. Returns false otherwise. 53 bool GetKeys(lldb::SBStringList &keys) const; 54 55 /// Return the value corresponding to a key if this data structure 56 /// is a dictionary type. 57 lldb::SBStructuredData GetValueForKey(const char *key) const; 58 59 /// Return the value corresponding to an index if this data structure 60 /// is array. 61 lldb::SBStructuredData GetItemAtIndex(size_t idx) const; 62 63 /// Return the integer value if this data structure is an integer type. 64 uint64_t GetIntegerValue(uint64_t fail_value = 0) const; 65 66 /// Return the floating point value if this data structure is a floating 67 /// type. 68 double GetFloatValue(double fail_value = 0.0) const; 69 70 /// Return the boolean value if this data structure is a boolean type. 71 bool GetBooleanValue(bool fail_value = false) const; 72 73 /// Provides the string value if this data structure is a string type. 74 /// 75 /// \param[out] dst 76 /// pointer where the string value will be written. In case it is null, 77 /// nothing will be written at \a dst. 78 /// 79 /// \param[in] dst_len 80 /// max number of characters that can be written at \a dst. In case it is 81 /// zero, nothing will be written at \a dst. If this length is not enough 82 /// to write the complete string value, (\a dst_len - 1) bytes of the 83 /// string value will be written at \a dst followed by a null character. 84 /// 85 /// \return 86 /// Returns the byte size needed to completely write the string value at 87 /// \a dst in all cases. 88 size_t GetStringValue(char *dst, size_t dst_len) const; 89 90 protected: 91 friend class SBTraceOptions; 92 friend class SBDebugger; 93 friend class SBTarget; 94 friend class SBThread; 95 friend class SBThreadPlan; 96 friend class SBBreakpoint; 97 friend class SBBreakpointLocation; 98 friend class SBBreakpointName; 99 100 StructuredDataImplUP m_impl_up; 101 }; 102 } // namespace lldb 103 104 #endif /* SBStructuredData_h */ 105