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// file : build2/diagnostics.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <build2/diagnostics>
#include <cstring> // strchr()
#include <iostream>
using namespace std;
namespace build2
{
// Stream verbosity.
//
const int stream_verb_index = ostream::xalloc ();
void
print_process (const char* const* args, size_t n)
{
diag_record r (text);
print_process (r, args, n);
}
struct process_args
{
const char* const* a;
size_t n;
};
inline static ostream&
operator<< (ostream& o, const process_args& p)
{
process::print (o, p.a, p.n);
return o;
}
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, 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 () << endl;
if (epilogue_ != nullptr)
epilogue_ (*this); // Can throw.
}
}
// Diagnostic facility, project specifics.
//
void simple_prologue_base::
operator() (const diag_record& r) const
{
stream_verb (r.os, sverb_);
if (type_ != nullptr)
r << type_ << ": ";
if (mod_ != nullptr)
r << mod_ << "::";
if (name_ != nullptr)
r << name_ << ": ";
}
void location_prologue_base::
operator() (const diag_record& r) const
{
stream_verb (r.os, sverb_);
r << *loc_.file << ':';
if (!ops.no_line ())
{
if (loc_.line != 0)
r << loc_.line << ':';
if (!ops.no_column ())
{
if (loc_.column != 0)
r << loc_.column << ':';
}
}
r << ' ';
if (type_ != nullptr)
r << type_ << ": ";
if (mod_ != nullptr)
r << mod_ << "::";
if (name_ != nullptr)
r << name_ << ": ";
}
const basic_mark error (&stream_verb_map, "error");
const basic_mark warn (&stream_verb_map, "warning");
const basic_mark info (&stream_verb_map, "info");
const basic_mark text (&stream_verb_map, nullptr);
const fail_mark<failed> fail;
}
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