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// file : odb/plugin.cxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
// license : GNU GPL v3; see accompanying LICENSE file
#include <odb/gcc.hxx> // Keep it first.
#include <memory> // std::auto_ptr
#include <string>
#include <vector>
#include <cstring> // std::strcpy
#include <iostream>
#include <odb/pragma.hxx>
#include <odb/parser.hxx>
#include <odb/options.hxx>
#include <odb/version.hxx>
#include <odb/validator.hxx>
#include <odb/generator.hxx>
#include <odb/semantics/unit.hxx>
using namespace std;
using namespace semantics;
int plugin_is_GPL_compatible;
auto_ptr<options const> options_;
// A prefix of the _cpp_file struct. This struct is not part of the
// public interface so we have to resort to this technique (based on
// libcpp/files.c).
//
struct cpp_file_prefix
{
char const* name;
char const* path;
char const* pchname;
char const* dir_name;
};
extern "C" void
start_unit_callback (void*, void*)
{
// Set the directory of the main file (stdin) to that of the orginal
// file.
//
cpp_buffer* b (cpp_get_buffer (parse_in));
_cpp_file* f (cpp_get_file (b));
char const* p (cpp_get_path (f));
cpp_file_prefix* fp (reinterpret_cast<cpp_file_prefix*> (f));
// Perform sanity checks.
//
if (p != 0 && *p == '\0' // The path should be empty (stdin).
&& cpp_get_prev (b) == 0 // This is the only buffer (main file).
&& fp->path == p // Our prefix corresponds to the actual type.
&& fp->dir_name == 0) // The directory part hasn't been initialized.
{
path p (options_->svc_file ());
path d (p.directory ());
char* s;
if (d.empty ())
{
s = XNEWVEC (char, 1);
*s = '\0';
}
else
{
size_t n (d.string ().size ());
s = XNEWVEC (char, n + 2);
strcpy (s, d.string ().c_str ());
s[n] = path::traits::directory_separator;
s[n + 1] = '\0';
}
fp->dir_name = s;
}
else
{
cerr << "ice: unable to initialize main file directory" << endl;
exit (1);
}
}
extern "C" void
gate_callback (void*, void*)
{
// If there were errors during compilation, let GCC handle the
// exit.
//
if (errorcount || sorrycount)
return;
int r (0);
try
{
path file (options_->svc_file ());
parser p (*options_, loc_pragmas_, decl_pragmas_);
auto_ptr<unit> u (p.parse (global_namespace, file));
//
//
validator v;
if (!v.validate (*options_, *u, file))
r = 1;
//
//
if (r == 0)
{
generator g;
g.generate (*options_, *u, file);
}
}
catch (parser::failed const&)
{
// Diagnostics has aready been issued.
//
r = 1;
}
catch (generator::failed const&)
{
// Diagnostics has aready been issued.
//
r = 1;
}
exit (r);
}
static char const* const odb_version = ODB_COMPILER_VERSION_STR;
typedef vector<string> strings;
extern "C" int
plugin_init (plugin_name_args* plugin_info, plugin_gcc_version*)
{
int r (0);
plugin_info->version = odb_version;
try
{
// Parse options.
//
{
strings argv_str;
vector<char*> argv;
argv_str.push_back (plugin_info->base_name);
argv.push_back (const_cast<char*> (argv_str.back ().c_str ()));
for (int i (0); i < plugin_info->argc; ++i)
{
plugin_argument& a (plugin_info->argv[i]);
string opt (strlen (a.key) > 1 ? "--" : "-");
opt += a.key;
argv_str.push_back (opt);
argv.push_back (const_cast<char*> (argv_str.back ().c_str ()));
if (a.value != 0)
{
argv_str.push_back (a.value);
argv.push_back (const_cast<char*> (argv_str.back ().c_str ()));
}
}
int argc (static_cast<int> (argv.size ()));
cli::argv_file_scanner scan (argc, &argv[0], "--options-file");
options_.reset (
new options (scan, cli::unknown_mode::fail, cli::unknown_mode::fail));
}
if (options_->trace ())
cerr << "starting plugin " << plugin_info->base_name << endl;
// Disable assembly output.
//
asm_file_name = HOST_BIT_BUCKET;
// Register callbacks.
//
register_callback (plugin_info->base_name,
PLUGIN_PRAGMAS,
register_odb_pragmas,
0);
register_callback (plugin_info->base_name,
PLUGIN_START_UNIT,
start_unit_callback,
0);
register_callback (plugin_info->base_name,
PLUGIN_OVERRIDE_GATE,
&gate_callback,
0);
}
catch (cli::exception const& ex)
{
cerr << ex << endl;
r = 1;
}
if (r != 0)
exit (r);
return r;
}
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