LLDB mainline
DiagnosticManager.cpp
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1//===-- DiagnosticManager.cpp ---------------------------------------------===//
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
10
11#include "llvm/Support/ErrorHandling.h"
12
13#include "lldb/Utility/Log.h"
15
16using namespace lldb_private;
17
19 if (!log)
20 return;
21
22 std::string str = GetString();
23
24 // GetString() puts a separator after each diagnostic. We want to remove the
25 // last '\n' because log->PutCString will add one for us.
26
27 if (str.size() && str.back() == '\n') {
28 str.pop_back();
29 }
30
31 log->PutCString(str.c_str());
32}
33
34static const char *StringForSeverity(lldb::Severity severity) {
35 switch (severity) {
36 // this should be exhaustive
38 return "error: ";
40 return "warning: ";
42 return "";
43 }
44 llvm_unreachable("switch needs another case for lldb::Severity enum");
45}
46
47std::string DiagnosticManager::GetString(char separator) {
48 std::string ret;
49 llvm::raw_string_ostream stream(ret);
50
51 for (const auto &diagnostic : Diagnostics()) {
52 llvm::StringRef severity = StringForSeverity(diagnostic->GetSeverity());
53 stream << severity;
54
55 llvm::StringRef message = diagnostic->GetMessage();
56 std::string searchable_message = message.lower();
57 auto severity_pos = message.find(severity);
58 stream << message.take_front(severity_pos);
59
60 if (severity_pos != llvm::StringRef::npos)
61 stream << message.drop_front(severity_pos + severity.size());
62 stream << separator;
63 }
64
65 return ret;
66}
67
68size_t DiagnosticManager::Printf(lldb::Severity severity, const char *format,
69 ...) {
70 StreamString ss;
71
72 va_list args;
73 va_start(args, format);
74 size_t result = ss.PrintfVarArg(format, args);
75 va_end(args);
76
78
79 return result;
80}
81
83 llvm::StringRef str) {
84 if (str.empty())
85 return;
87}
static const char * StringForSeverity(lldb::Severity severity)
size_t void PutString(lldb::Severity severity, llvm::StringRef str)
std::string GetString(char separator='\n')
const DiagnosticList & Diagnostics()
void AddDiagnostic(llvm::StringRef message, lldb::Severity severity, DiagnosticOrigin origin, uint32_t compiler_id=LLDB_INVALID_COMPILER_ID)
size_t Printf(lldb::Severity severity, const char *format,...) __attribute__((format(printf
void PutCString(const char *cstr)
Definition: Log.cpp:135
llvm::StringRef GetString() const
size_t size_t PrintfVarArg(const char *format, va_list args)
Definition: Stream.cpp:143
A class that represents a running process on the host machine.
Severity
Used for expressing severity in logs and diagnostics.