1//===-- DNBError.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// Created by Greg Clayton on 6/26/07.
10//
11//===----------------------------------------------------------------------===//
12
13#include "DNBError.h"
14#include "CFString.h"
15#include "DNBLog.h"
16
17#ifdef WITH_SPRINGBOARD
18#include <SpringBoardServices/SpringBoardServer.h>
19#endif
20
21const char *DNBError::AsString() const {
22 if (Success())
23 return NULL;
24
25 if (m_str.empty()) {
26 const char *s = NULL;
27 switch (m_flavor) {
28 case MachKernel:
29 s = ::mach_error_string(m_err);
30 break;
31
32 case POSIX:
33 s = ::strerror(m_err);
34 break;
35
36#ifdef WITH_SPRINGBOARD
37 case SpringBoard: {
38 CFStringRef statusStr = SBSApplicationLaunchingErrorString(m_err);
39 if (CFString::UTF8(statusStr, m_str) == NULL)
40 m_str.clear();
41 } break;
42#endif
43#ifdef WITH_BKS
44 case BackBoard: {
45 // You have to call ObjC routines to get the error string from
46 // BackBoardServices.
47 // Not sure I want to make DNBError.cpp an .mm file. For now just make
48 // sure you
49 // pre-populate the error string when you make the DNBError of type
50 // BackBoard.
51 m_str.assign(
52 "Should have set BackBoard error when making the error string.");
53 } break;
54#endif
55#ifdef WITH_FBS
56 case FrontBoard: {
57 // You have to call ObjC routines to get the error string from
58 // FrontBoardServices.
59 // Not sure I want to make DNBError.cpp an .mm file. For now just make
60 // sure you
61 // pre-populate the error string when you make the DNBError of type
62 // FrontBoard.
63 m_str.assign(
64 "Should have set FrontBoard error when making the error string.");
65 } break;
66#endif
67 default:
68 break;
69 }
70 if (s)
71 m_str.assign(s: s);
72 }
73 if (m_str.empty())
74 return NULL;
75 return m_str.c_str();
76}
77
78void DNBError::LogThreadedIfError(const char *format, ...) const {
79 if (Fail()) {
80 char *arg_msg = NULL;
81 va_list args;
82 va_start(args, format);
83 ::vasprintf(ptr: &arg_msg, f: format, arg: args);
84 va_end(args);
85
86 if (arg_msg != NULL) {
87 const char *err_str = AsString();
88 if (err_str == NULL)
89 err_str = "???";
90 DNBLogThreaded("error: %s err = %s (0x%8.8x)", arg_msg, err_str, m_err);
91 free(ptr: arg_msg);
92 }
93 }
94}
95
96void DNBError::LogThreaded(const char *format, ...) const {
97 char *arg_msg = NULL;
98 va_list args;
99 va_start(args, format);
100 ::vasprintf(ptr: &arg_msg, f: format, arg: args);
101 va_end(args);
102
103 if (arg_msg != NULL) {
104 if (Fail()) {
105 const char *err_str = AsString();
106 if (err_str == NULL)
107 err_str = "???";
108 DNBLogThreaded("error: %s err = %s (0x%8.8x)", arg_msg, err_str, m_err);
109 } else {
110 DNBLogThreaded("%s err = 0x%8.8x", arg_msg, m_err);
111 }
112 free(ptr: arg_msg);
113 }
114}
115

source code of lldb/tools/debugserver/source/DNBError.cpp