Add CopyDiagnostic to DiagnosticManager.

[• gmilos]

Summary

Adds Add CopyDiagnostic to DiagnosticManager, originally part of:
https://github.com/apple/swift-lldb/pull/113

[jingham]

This is fine. Can you check this in, otherwise I will.

[• gmilos]

In D32078#727374, @jingham wrote:

This is fine. Can you check this in, otherwise I will.

@jingham I don't (think I) have committer rights to the lldb/llvm repo, so I cannot check it in myself. Could you do it for me instead pls?

[jingham]

Committed as r300733.

include/lldb/Expression/DiagnosticManager.h

     m_diagnostics.push_back(diagnostic);
   }
 
+  void CopyDiagnostics(DiagnosticManager &otherDiagnostics);
+
   size_t Printf(DiagnosticSeverity severity, const char *format, ...)
       __attribute__((format(printf, 3, 4)));
   size_t PutCString(DiagnosticSeverity severity, const char *cstr);

source/Expression/DiagnosticManager.cpp

   AddDiagnostic(cstr, severity, eDiagnosticOriginLLDB);
   return strlen(cstr);
 }
+
+void DiagnosticManager::CopyDiagnostics(DiagnosticManager &otherDiagnostics) {
+  for (const DiagnosticList::value_type &other_diagnostic:
+       otherDiagnostics.Diagnostics()) {
+    AddDiagnostic(
+        other_diagnostic->GetMessage(), other_diagnostic->GetSeverity(),
+        other_diagnostic->getKind(), other_diagnostic->GetCompilerID());
+  }
+}