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// file : cli/generator.cxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#include <cctype> // std::toupper, std::is{alpha,upper,lower}
#include <string>
#include <fstream>
#include <iostream>
#include <cutl/fs/auto-remove.hxx>
#include <cutl/compiler/code-stream.hxx>
#include <cutl/compiler/cxx-indenter.hxx>
#include <odb/context.hxx>
#include <odb/generator.hxx>
#include <odb/source.hxx>
using namespace std;
using namespace cutl;
using semantics::path;
namespace
{
static char const cxx_header[] =
"// This code was generated by CodeSynthesis ODB object persistence\n"
"// compiler for C++.\n"
"//\n\n";
/*
string
make_guard (string const& file, context& ctx)
{
string g (file);
// Split words, e.g., "FooBar" to "Foo_Bar" and convert everything
// to upper case.
//
string r;
for (string::size_type i (0), n (g.size ()); i < n - 1; ++i)
{
char c1 (g[i]);
char c2 (g[i + 1]);
r += toupper (c1);
if (isalpha (c1) && isalpha (c2) && islower (c1) && isupper (c2))
r += "_";
}
r += std::toupper (g[g.size () - 1]);
return ctx.escape (r);
}
*/
void
open (ifstream& ifs, string const& path)
{
ifs.open (path.c_str (), ios_base::in | ios_base::binary);
if (!ifs.is_open ())
{
cerr << path << ": error: unable to open in read mode" << endl;
throw generator::failed ();
}
}
}
generator::
generator ()
{
}
void generator::
generate (options const& ops, semantics::unit& unit, path const& p)
{
try
{
path file (p.leaf ());
string base (file.base ().string ());
fs::auto_removes auto_rm;
// C++ output.
//
string cxx_name (base + ops.odb_file_suffix () + ops.cxx_suffix ());
path cxx_path (cxx_name);
if (!ops.output_dir ().empty ())
{
path dir (ops.output_dir ());
cxx_path = dir / cxx_path;
}
//
//
ofstream cxx (cxx_path.string ().c_str ());
if (!cxx.is_open ())
{
cerr << "error: unable to open '" << cxx_path << "' in write mode"
<< endl;
throw failed ();
}
auto_rm.add (cxx_path);
// Print headers.
//
cxx << cxx_header;
typedef compiler::ostream_filter<compiler::cxx_indenter, char> cxx_filter;
// Include settings.
//
bool br (ops.include_with_brackets ());
string ip (ops.include_prefix ());
if (!ip.empty () && ip[ip.size () - 1] != '/')
ip.append ("/");
// CXX
//
{
cxx_filter filt (cxx);
context ctx (cxx, unit, ops);
cxx << "#include " << (br ? '<' : '"') << ip << file <<
(br ? '>' : '"') << endl
<< endl;
generate_source (ctx);
}
auto_rm.cancel ();
}
catch (const generation_failed&)
{
// Code generation failed. Diagnostics has already been issued.
//
throw failed ();
}
catch (semantics::invalid_path const& e)
{
cerr << "error: '" << e.path () << "' is not a valid filesystem path"
<< endl;
throw failed ();
}
catch (fs::error const&)
{
// Auto-removal of generated files failed. Ignore it.
//
throw failed ();
}
}
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