1 files changed, 77 insertions, 0 deletions
diff --git a/bdep/diagnostics.cxx b/bdep/diagnostics.cxx
new file mode 100644
index 0000000..e60ebc8
--- /dev/null
+++ b/bdep/diagnostics.cxx
@@ -0,0 +1,77 @@
+// file      : bdep/diagnostics.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <bdep/diagnostics.hxx>
+
+#include <libbutl/process.mxx>
+#include <libbutl/process-io.mxx> // operator<<(ostream, process_arg)
+
+using namespace std;
+using namespace butl;
+
+namespace bdep
+{
+  // print_process
+  //
+  void
+  print_process (const char* const args[], size_t n)
+  {
+    diag_record r (text);
+    print_process (r, args, n);
+  }
+
+  void
+  print_process (diag_record& r, const char* const args[], size_t n)
+  {
+    r << process_args {args, n};
+  }
+
+  // Diagnostics verbosity level.
+  //
+  uint16_t verb;
+
+  // Diagnostic facility, project specifics.
+  //
+
+  void simple_prologue_base::
+  operator() (const diag_record& r) const
+  {
+    if (type_ != nullptr)
+      r << type_ << ": ";
+
+    if (name_ != nullptr)
+      r << name_ << ": ";
+  }
+
+  void location_prologue_base::
+  operator() (const diag_record& r) const
+  {
+    r << loc_.file << ':' << loc_.line << ':' << loc_.column << ": ";
+
+    if (type_ != nullptr)
+      r << type_ << ": ";
+
+    if (name_ != nullptr)
+      r << name_ << ": ";
+  }
+
+  // tracer
+  //
+  void tracer::
+  operator() (const char* const args[], size_t n) const
+  {
+    if (verb >= 3)
+    {
+      diag_record dr (*this);
+      print_process (dr, args, n);
+    }
+  }
+
+  const basic_mark error ("error");
+  const basic_mark warn  ("warning");
+  const basic_mark info  ("info");
+  const basic_mark text  (nullptr);
+  const fail_mark  fail  ("error");
+  const fail_end   endf;
+}