1 //===-- SBFile.cpp ------------------------------------------*- 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 #include "lldb/API/SBFile.h"
10 #include "SBReproducerPrivate.h"
11 #include "lldb/API/SBError.h"
12 #include "lldb/Host/File.h"
13 
14 using namespace lldb;
15 using namespace lldb_private;
16 
17 SBFile::~SBFile() {}
18 
19 SBFile::SBFile(FileSP file_sp) : m_opaque_sp(file_sp) {
20   LLDB_RECORD_DUMMY(void, SBfile, SBFile, (FileSP), file_sp);
21 }
22 
23 SBFile::SBFile() { LLDB_RECORD_CONSTRUCTOR_NO_ARGS(SBFile); }
24 
25 SBFile::SBFile(FILE *file, bool transfer_ownership) {
26   LLDB_RECORD_DUMMY(void, SBFile, (FILE *, bool), file, transfer_ownership);
27   m_opaque_sp = std::make_shared<NativeFile>(file, transfer_ownership);
28 }
29 
30 SBFile::SBFile(int fd, const char *mode, bool transfer_owndership) {
31   LLDB_RECORD_DUMMY(void, SBFile, (int, const char *, bool), fd, mode,
32                     transfer_owndership);
33   auto options = File::GetOptionsFromMode(mode);
34   if (!options) {
35     llvm::consumeError(options.takeError());
36     return;
37   }
38   m_opaque_sp =
39       std::make_shared<NativeFile>(fd, options.get(), transfer_owndership);
40 }
41 
42 SBError SBFile::Read(uint8_t *buf, size_t num_bytes, size_t *bytes_read) {
43   LLDB_RECORD_DUMMY(lldb::SBError, SBFile, Read, (uint8_t *, size_t, size_t *),
44                     buf, num_bytes, bytes_read);
45   SBError error;
46   if (!m_opaque_sp) {
47     error.SetErrorString("invalid SBFile");
48     *bytes_read = 0;
49   } else {
50     Status status = m_opaque_sp->Read(buf, num_bytes);
51     error.SetError(status);
52     *bytes_read = num_bytes;
53   }
54   return LLDB_RECORD_RESULT(error);
55 }
56 
57 SBError SBFile::Write(const uint8_t *buf, size_t num_bytes,
58                       size_t *bytes_written) {
59   LLDB_RECORD_DUMMY(lldb::SBError, SBFile, Write,
60                     (const uint8_t *, size_t, size_t *), buf, num_bytes,
61                     bytes_written);
62   SBError error;
63   if (!m_opaque_sp) {
64     error.SetErrorString("invalid SBFile");
65     *bytes_written = 0;
66   } else {
67     Status status = m_opaque_sp->Write(buf, num_bytes);
68     error.SetError(status);
69     *bytes_written = num_bytes;
70   }
71   return LLDB_RECORD_RESULT(error);
72 }
73 
74 SBError SBFile::Flush() {
75   LLDB_RECORD_METHOD_NO_ARGS(lldb::SBError, SBFile, Flush);
76   SBError error;
77   if (!m_opaque_sp) {
78     error.SetErrorString("invalid SBFile");
79   } else {
80     Status status = m_opaque_sp->Flush();
81     error.SetError(status);
82   }
83   return LLDB_RECORD_RESULT(error);
84 }
85 
86 bool SBFile::IsValid() const {
87   LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBFile, IsValid);
88   return m_opaque_sp && m_opaque_sp->IsValid();
89 }
90 
91 SBError SBFile::Close() {
92   LLDB_RECORD_METHOD_NO_ARGS(lldb::SBError, SBFile, Close);
93   SBError error;
94   if (m_opaque_sp) {
95     Status status = m_opaque_sp->Close();
96     error.SetError(status);
97   }
98   return LLDB_RECORD_RESULT(error);
99 }
100 
101 SBFile::operator bool() const {
102   LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBFile, operator bool);
103   return IsValid();
104 }
105 
106 bool SBFile::operator!() const {
107   LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBFile, operator!);
108   return !IsValid();
109 }
110 
111 FileSP SBFile::GetFile() const {
112   LLDB_RECORD_METHOD_CONST_NO_ARGS(FileSP, SBFile, GetFile);
113   return LLDB_RECORD_RESULT(m_opaque_sp);
114 }
115 
116 namespace lldb_private {
117 namespace repro {
118 
119 template <> void RegisterMethods<SBFile>(Registry &R) {
120   LLDB_REGISTER_CONSTRUCTOR(SBFile, ());
121   LLDB_REGISTER_CONSTRUCTOR(SBFile, (FileSP));
122   LLDB_REGISTER_CONSTRUCTOR(SBFile, (FILE *, bool));
123   LLDB_REGISTER_CONSTRUCTOR(SBFile, (int, const char *, bool));
124   LLDB_REGISTER_METHOD(lldb::SBError, SBFile, Flush, ());
125   LLDB_REGISTER_METHOD_CONST(bool, SBFile, IsValid, ());
126   LLDB_REGISTER_METHOD_CONST(bool, SBFile, operator bool,());
127   LLDB_REGISTER_METHOD_CONST(bool, SBFile, operator!,());
128   LLDB_REGISTER_METHOD_CONST(FileSP, SBFile, GetFile, ());
129   LLDB_REGISTER_METHOD(lldb::SBError, SBFile, Close, ());
130 }
131 } // namespace repro
132 } // namespace lldb_private
133