From 9fb791e9fad6c63fc1dac49f4d05ae63b8a3db9b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 5 Jan 2016 11:55:15 +0200
Subject: Rename build directory/namespace to build2

---
 build2/diagnostics.cxx | 125 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 build2/diagnostics.cxx

(limited to 'build2/diagnostics.cxx')

diff --git a/build2/diagnostics.cxx b/build2/diagnostics.cxx
new file mode 100644
index 0000000..850c1d4
--- /dev/null
+++ b/build2/diagnostics.cxx
@@ -0,0 +1,125 @@
+// file      : build2/diagnostics.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <build2/diagnostics>
+
+#include <cstring>  // strchr()
+#include <iostream>
+
+#include <build2/utility>
+
+using namespace std;
+
+namespace build2
+{
+  // Relative stream.
+  //
+  const int relative_index = ostream::xalloc ();
+
+  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)
+  {
+    size_t m (0);
+    const char* const* p (args);
+    do
+    {
+      if (m != 0)
+        r << " |"; // Trailing space will be added inside the loop.
+
+      for (m++; *p != nullptr; p++, m++)
+      {
+        if (p != args)
+          r << ' ';
+
+        // Quote if empty or contains spaces.
+        //
+        bool q (**p == '\0' || strchr (*p, ' ') != nullptr);
+
+        if (q)
+          r << '"';
+
+        r << *p;
+
+        if (q)
+          r << '"';
+      }
+
+      if (m < n) // Can we examine the next element?
+      {
+        p++;
+        m++;
+      }
+
+    } while (*p != nullptr);
+  }
+
+  // Diagnostics verbosity level.
+  //
+  uint16_t verb;
+
+  // Diagnostic facility, base infrastructure.
+  //
+  ostream* diag_stream = &cerr;
+
+  diag_record::
+  ~diag_record () noexcept(false)
+  {
+    // Don't flush the record if this destructor was called as part of
+    // the stack unwinding. Right now this means we cannot use this
+    // mechanism in destructors, which is not a big deal, except for
+    // one place: exception_guard. So for now we are going to have
+    // this ugly special check which we will be able to get rid of
+    // once C++17 uncaught_exceptions() becomes available.
+    //
+    if (!empty_ && (!std::uncaught_exception () || exception_unwinding_dtor))
+    {
+      *diag_stream << os_.str () << std::endl;
+
+      if (epilogue_ != nullptr)
+        epilogue_ (*this); // Can throw.
+    }
+  }
+
+  // Diagnostic facility, project specifics.
+  //
+
+  void simple_prologue_base::
+  operator() (const diag_record& r) const
+  {
+    relative (r.os_, relative_);
+
+    if (type_ != nullptr)
+      r << type_ << ": ";
+
+    if (name_ != nullptr)
+      r << name_ << ": ";
+  }
+
+  void location_prologue_base::
+  operator() (const diag_record& r) const
+  {
+    relative (r.os_, relative_);
+
+    r << loc_.file << ':' << loc_.line << ':' << loc_.column << ": ";
+
+    if (type_ != nullptr)
+      r << type_ << ": ";
+
+    if (name_ != nullptr)
+      r << name_ << ": ";
+  }
+
+  const basic_mark error ("error");
+  const basic_mark warn ("warning");
+  const basic_mark info ("info");
+  const text_mark text;
+  const fail_mark<failed> fail;
+}
-- 
cgit v1.1