bool
emit_line_directive(ContextT const& ctx, ContainerT &pending,
typename ContextT::token_type const& act_token)
{
if (!need_emit_line_directives(ctx.get_language()) ||
!enable_relative_names_in_line_directives())
{
return false;
}
// emit a #line directive showing the relative filename instead
typename ContextT::position_type pos = act_token.get_position();
unsigned int column = 6;
typedef typename ContextT::token_type result_type;
using namespace boost::wave;
pos.set_column(1);
pending.push_back(result_type(T_PP_LINE, "#line", pos));
pos.set_column(column); // account for '#line'
pending.push_back(result_type(T_SPACE, " ", pos));
// 21 is the max required size for a 64 bit integer represented as a
// string
char buffer[22];
using namespace std; // for some systems sprintf is in namespace std
sprintf (buffer, "%d", pos.get_line());
pos.set_column(++column); // account for ' '
pending.push_back(result_type(T_INTLIT, buffer, pos));
pos.set_column(column += (unsigned int)strlen(buffer)); // account for <number>
pending.push_back(result_type(T_SPACE, " ", pos));
pos.set_column(++column); // account for ' '
std::string file("\"");
boost::filesystem::path filename(
boost::wave::util::create_path(ctx.get_current_relative_filename().c_str()));
using boost::wave::util::impl::escape_lit;
file += escape_lit(boost::wave::util::native_file_string(filename)) + "\"";
pending.push_back(result_type(T_STRINGLIT, file.c_str(), pos));
pos.set_column(column += (unsigned int)file.size()); // account for filename
pending.push_back(result_type(T_GENERATEDNEWLINE, "\n", pos));
return true;
}
bool CPreProcessor::emit_line_directive(ContextT const& ctx, ContainerT&pending, typename ContextT::token_type const& act_token)
{
//std::cout << "in emit_line_directive" << std::endl;
// emit a #line directive showing the relative filename instead
typename ContextT::position_type pos = act_token.get_position();
unsigned int column = 1;
typedef typename ContextT::token_type result_type;
pos.set_column(column);
std::string comments = "// From file: ";
pending.push_back(result_type(wave::T_STRINGLIT, comments.c_str(), pos));
pos.set_column(column += (unsigned int)comments.size()); // account for comments
std::string file("");
boost::filesystem::path filename(wave::util::create_path(ctx.get_current_filename().c_str()));
file += boost::wave::util::impl::escape_lit(wave::util::native_file_string(filename)) + "";
pending.push_back(result_type(wave::T_STRINGLIT, file.c_str(), pos));
pos.set_column(column += (unsigned int)file.size()); // account for filename
pending.push_back(result_type(wave::T_GENERATEDNEWLINE, "\n", pos));
return true;
}
bool found_include_directive(const ContextT &ctx, const std::string &filename, bool include_next)
{
bool isSystem = filename[0] == '<';
std::string path = filename.substr(1, filename.length() - 2);
std::string dirPath, nativePath;
bool result = ctx.find_include_file(path, dirPath, isSystem, nullptr);
return !result;
}
//run command and perform simple caching
petabricks::FormulaListPtr petabricks::MaximaWrapper::runCommand(const std::string& cmd){
if(!_pendingAssume.empty()) {
//we delay assume() commands since they often aren't followed by anything
ContextT ctx;
ctx.swap(_pendingAssume);
for(ContextT::const_iterator i=ctx.begin(); i!=ctx.end(); ++i) {
runCommandRaw(i->c_str(), i->length());
}
clearCache();
}
CacheT::const_iterator i = _cache.find(cmd);
if(i != _cache.end()) {
return i->second;
}
FormulaListPtr rv = runCommandRaw(cmd.c_str(), cmd.length());
#ifdef MAXIMA_CACHING
_cache[cmd]=rv;
#endif
return rv;
}
bool
locate_include_file(ContextT& ctx, std::string &file_path,
bool is_system, char const *current_name, std::string &dir_path,
std::string &native_name)
{
if (!ctx.find_include_file (file_path, dir_path, is_system, current_name))
return false; // could not locate file
namespace fs = boost::filesystem;
fs::path native_path(wave::util::create_path(file_path));
if (!fs::exists(native_path)) {
BOOST_WAVE_THROW_CTX(ctx, preprocess_exception, bad_include_file,
file_path.c_str(), ctx.get_main_pos());
return false;
}
// return the unique full file system path of the located file
native_name = wave::util::native_file_string(native_path);
return true; // include file has been located successfully
}
bool CPreProcessor::locate_include_file(ContextT& ctx, std::string& file_path, bool is_system, char const* current_name, std::string& dir_path, std::string& native_name)
{
//if (is_system) {
// Check if file is in the files map
if ( CPreProcessor::files_.find(file_path) != CPreProcessor::files_.end())
{
//std::cout << "locate_include_file 1: file_path:" << file_path << " dir_path:" << dir_path << " native_name:" << native_name << std::endl;
native_name = file_path;
return true;
}
else
{
namespace fs = boost::filesystem;
//} else {
// could not locate file
fs::path baseDir = fs::path(baseDirectory_);
if ( fs::exists(baseDir) && fs::is_directory(baseDir))
{
file_path = baseDir.string() + std::string("/") + file_path;
}
//std::cout << "baseDirectory_: " << baseDirectory_ << std::endl;
//std::cout << "locate_include_file doesn't exist 2: file_path:" << file_path << " dir_path:" << dir_path << " native_name:" << native_name << std::endl;
if ( !ctx.find_include_file(file_path, dir_path, is_system, current_name))
{
return false;
}
fs::path native_path(wave::util::create_path(file_path));
if ( !fs::exists(native_path))
{
//BOOST_WAVE_THROW_CTX(ctx, preprocess_exception, bad_include_file,
// file_path.c_str(), ctx.get_main_pos());
//std::cout << "error: doesn't exist" << std::endl;
//std::cout << "locate_include_file doesn't exist 3: file_path:" << file_path << " dir_path:" << dir_path << " native_name:" << native_name << std::endl;
return false;
}
// return the unique full file system path of the located file
native_name = wave::util::native_file_string(native_path);
return true;
}
// include file has not been located
return false;
}
void
opened_include_file(ContextT const& ctx, std::string const &relname,
std::string const &absname, bool is_system_include)
{
std::size_t include_depth = ctx.get_iteration_depth();
#endif
if (enabled_include_tracing()) {
// print indented filename
for (std::size_t i = 0; i < include_depth; ++i)
includestrm << " ";
if (is_system_include)
includestrm << "<" << relname << "> (" << absname << ")";
else
includestrm << "\"" << relname << "\" (" << absname << ")";
includestrm << std::endl;
}
}
