This revision was automatically updated to reflect the committed changes.
Closed by commit rG58fe7b751dc4: [lldb] Change UnixSignals::GetSignalAsCString 
to GetSignalAsStringRef (authored by bulbazord).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D158209/new/

https://reviews.llvm.org/D158209

Files:
  lldb/include/lldb/Target/UnixSignals.h
  lldb/source/API/SBUnixSignals.cpp
  lldb/source/Commands/CommandObjectProcess.cpp
  
lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp
  lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
  lldb/source/Target/Process.cpp
  lldb/source/Target/StopInfo.cpp
  lldb/source/Target/UnixSignals.cpp
  lldb/unittests/Signals/UnixSignalsTest.cpp

Index: lldb/unittests/Signals/UnixSignalsTest.cpp
===================================================================
--- lldb/unittests/Signals/UnixSignalsTest.cpp
+++ lldb/unittests/Signals/UnixSignalsTest.cpp
@@ -84,7 +84,7 @@
 
   bool should_suppress = false, should_stop = false, should_notify = false;
   int32_t signo = 4;
-  std::string name =
+  llvm::StringRef name =
       signals.GetSignalInfo(signo, should_suppress, should_stop, should_notify);
   EXPECT_EQ("SIG4", name);
   EXPECT_EQ(true, should_suppress);
@@ -94,15 +94,14 @@
   EXPECT_EQ(true, signals.GetShouldSuppress(signo));
   EXPECT_EQ(false, signals.GetShouldStop(signo));
   EXPECT_EQ(true, signals.GetShouldNotify(signo));
-  EXPECT_EQ(name, signals.GetSignalAsCString(signo));
+  EXPECT_EQ(name, signals.GetSignalAsStringRef(signo));
 }
 
-TEST(UnixSignalsTest, GetAsCString) {
+TEST(UnixSignalsTest, GetAsStringRef) {
   TestSignals signals;
 
-  ASSERT_EQ(nullptr, signals.GetSignalAsCString(100));
-  std::string name = signals.GetSignalAsCString(16);
-  ASSERT_EQ("SIG16", name);
+  ASSERT_EQ(llvm::StringRef(), signals.GetSignalAsStringRef(100));
+  ASSERT_EQ("SIG16", signals.GetSignalAsStringRef(16));
 }
 
 TEST(UnixSignalsTest, GetAsString) {
Index: lldb/source/Target/UnixSignals.cpp
===================================================================
--- lldb/source/Target/UnixSignals.cpp
+++ lldb/source/Target/UnixSignals.cpp
@@ -131,12 +131,11 @@
   ++m_version;
 }
 
-const char *UnixSignals::GetSignalAsCString(int signo) const {
-  collection::const_iterator pos = m_signals.find(signo);
+llvm::StringRef UnixSignals::GetSignalAsStringRef(int32_t signo) const {
+  const auto pos = m_signals.find(signo);
   if (pos == m_signals.end())
-    return nullptr;
-  else
-    return pos->second.m_name.GetCString();
+    return {};
+  return pos->second.m_name.GetStringRef();
 }
 
 std::string
Index: lldb/source/Target/StopInfo.cpp
===================================================================
--- lldb/source/Target/StopInfo.cpp
+++ lldb/source/Target/StopInfo.cpp
@@ -1067,9 +1067,9 @@
           thread_sp->GetProcess()->GetUnixSignals()->GetShouldNotify(m_value);
       if (should_notify) {
         StreamString strm;
-        strm.Printf(
-            "thread %d received signal: %s", thread_sp->GetIndexID(),
-            thread_sp->GetProcess()->GetUnixSignals()->GetSignalAsCString(
+        strm.Format(
+            "thread {0:d} received signal: {1}", thread_sp->GetIndexID(),
+            thread_sp->GetProcess()->GetUnixSignals()->GetSignalAsStringRef(
                 m_value));
         Process::ProcessEventData::AddRestartedReason(event_ptr,
                                                       strm.GetData());
Index: lldb/source/Target/Process.cpp
===================================================================
--- lldb/source/Target/Process.cpp
+++ lldb/source/Target/Process.cpp
@@ -1125,11 +1125,9 @@
     if (target_sp) {
       ProcessSP process_sp(target_sp->GetProcessSP());
       if (process_sp) {
-        const char *signal_cstr = nullptr;
-        if (signo)
-          signal_cstr = process_sp->GetUnixSignals()->GetSignalAsCString(signo);
-
-        process_sp->SetExitStatus(exit_status, signal_cstr);
+        llvm::StringRef signal_str =
+            process_sp->GetUnixSignals()->GetSignalAsStringRef(signo);
+        process_sp->SetExitStatus(exit_status, signal_str);
       }
     }
     return true;
Index: lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
===================================================================
--- lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
+++ lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
@@ -3384,10 +3384,10 @@
       stream.Format(DEBUGSERVER_BASENAME " died with an exit status of {0:x8}",
                     exit_status);
     else {
-      const char *signal_name =
-          process_sp->GetUnixSignals()->GetSignalAsCString(signo);
+      llvm::StringRef signal_name =
+          process_sp->GetUnixSignals()->GetSignalAsStringRef(signo);
       const char *format_str = DEBUGSERVER_BASENAME " died with signal {0}";
-      if (signal_name)
+      if (!signal_name.empty())
         stream.Format(format_str, signal_name);
       else
         stream.Format(format_str, signo);
Index: lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp
===================================================================
--- lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp
+++ lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp
@@ -500,7 +500,7 @@
     auto dictionary = std::make_shared<StructuredData::Dictionary>();
 
     dictionary->AddIntegerItem("signo", signo);
-    dictionary->AddStringItem("name", signals->GetSignalAsCString(signo));
+    dictionary->AddStringItem("name", signals->GetSignalAsStringRef(signo));
 
     bool suppress, stop, notify;
     signals->GetSignalInfo(signo, suppress, stop, notify);
Index: lldb/source/Commands/CommandObjectProcess.cpp
===================================================================
--- lldb/source/Commands/CommandObjectProcess.cpp
+++ lldb/source/Commands/CommandObjectProcess.cpp
@@ -1178,7 +1178,7 @@
     UnixSignalsSP signals = m_exe_ctx.GetProcessPtr()->GetUnixSignals();
     int signo = signals->GetFirstSignalNumber();
     while (signo != LLDB_INVALID_SIGNAL_NUMBER) {
-      request.TryCompleteCurrentArg(signals->GetSignalAsCString(signo));
+      request.TryCompleteCurrentArg(signals->GetSignalAsStringRef(signo));
       signo = signals->GetNextSignalNumber(signo);
     }
   }
@@ -1635,13 +1635,13 @@
     str.Printf("===========  =====  =====  ======\n");
   }
 
-  void PrintSignal(Stream &str, int32_t signo, const char *sig_name,
+  void PrintSignal(Stream &str, int32_t signo, llvm::StringRef sig_name,
                    const UnixSignalsSP &signals_sp) {
     bool stop;
     bool suppress;
     bool notify;
 
-    str.Printf("%-11s  ", sig_name);
+    str.Format("{0, -11}  ", sig_name);
     if (signals_sp->GetSignalInfo(signo, suppress, stop, notify)) {
       bool pass = !suppress;
       str.Printf("%s  %s  %s", (pass ? "true " : "false"),
@@ -1668,7 +1668,7 @@
     {
       int32_t signo = signals_sp->GetFirstSignalNumber();
       while (signo != LLDB_INVALID_SIGNAL_NUMBER) {
-        PrintSignal(str, signo, signals_sp->GetSignalAsCString(signo),
+        PrintSignal(str, signo, signals_sp->GetSignalAsStringRef(signo),
                     signals_sp);
         signo = signals_sp->GetNextSignalNumber(signo);
       }
Index: lldb/source/API/SBUnixSignals.cpp
===================================================================
--- lldb/source/API/SBUnixSignals.cpp
+++ lldb/source/API/SBUnixSignals.cpp
@@ -66,7 +66,7 @@
   LLDB_INSTRUMENT_VA(this, signo);
 
   if (auto signals_sp = GetSP())
-    return ConstString(signals_sp->GetSignalAsCString(signo)).GetCString();
+    return ConstString(signals_sp->GetSignalAsStringRef(signo)).GetCString();
 
   return nullptr;
 }
Index: lldb/include/lldb/Target/UnixSignals.h
===================================================================
--- lldb/include/lldb/Target/UnixSignals.h
+++ lldb/include/lldb/Target/UnixSignals.h
@@ -30,7 +30,7 @@
 
   virtual ~UnixSignals();
 
-  const char *GetSignalAsCString(int32_t signo) const;
+  llvm::StringRef GetSignalAsStringRef(int32_t signo) const;
 
   std::string
   GetSignalDescription(int32_t signo,
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