Clang plugin that rewrites PostTask(_, NewRunnableMethod(...)) to PostTask(_, base::Bind(...));

tools/clang/BindMigrate/DiagnosticEmitter.cpp

+#include "DiagnosticEmitter.h"
+
+#include "clang/Basic/Diagnostic.h"
+#include "clang/Frontend/CompilerInstance.h"
+
+namespace clang {
+
+DiagnosticEmitter::DiagnosticEmitter(CompilerInstance* instance,
+                                     const std::string& name)
+    : instance_(instance),
+      diagnostic_(&instance_->getDiagnostics()) {
+}
+
+void DiagnosticEmitter::EmitWarning(SourceLocation loc,
+                                    const char* raw_error) {
+  FullSourceLoc full(loc, instance_->getSourceManager());
+  std::string err(name_);
+  err += raw_error;
+  Diagnostic::Level level =
+      diagnostic_->getWarningsAsErrors() ?
+      Diagnostic::Error :
+      Diagnostic::Warning;
+  unsigned id = diagnostic_->getCustomDiagID(level, err);
+  diagnostic_->Report(full, id).Emit();
+}
+
+void DiagnosticEmitter::EmitError(SourceLocation loc, const char* raw_error) {
+  FullSourceLoc full(loc, instance_->getSourceManager());
+  std::string err(name_);
+  err += raw_error;
+  unsigned id = diagnostic_->getCustomDiagID(Diagnostic::Error, err);
+  diagnostic_->Report(full, id).Emit();
+}
+
+}  // namespace clang