//public interface
ParseResultPtr parse(const FileReaderPtr& file) {
ParseResultPtr ret = newParseResult();
ret->filename = file->filename();
if (!file->isOpen()) {
ret->addDiag(Diagnostic(DiagnosticType_Error, "Can't open file '" + file->filename() + "'"));
return ret;
}
Parser p(file);
return p.result();
}
ParseResultPtr PackageManager::parseFile(const FileReaderPtr& file)
{
qi::Path fsfname = qi::Path(file->filename());
std::string filename = fsfname.absolute().str();
if (!fsfname.isRegularFile())
throw std::runtime_error(file->filename() + " is not a regular file");
qiLogVerbose() << "Parsing file: " << filename;
if (_sources.find(filename) != _sources.end()) {
qiLogVerbose() << "already parsed, skipping '" << filename << "'";
return package(_sources[filename])->_contents[filename];
}
ParseResultPtr ret = qilang::parse(file);
if (addFileToPackage(filename, file, ret))
_sources[filename] = ret->package;
return ret;
}
Parser::Parser(const FileReaderPtr &file)
: file(file)
, _result(newParseResult())
, _parsed(false)
, parser(this)
, linesSinceLastComment(0)
{
_result->filename = file->filename();
qilang_lex_init(&scanner);
qilang_set_extra(this, scanner);
}
/** 1 / Check for missing or multiple package declaration
* 2 / Check that the directory path and package name match
* 3 / register the content of the file to the package
*/
bool PackageManager::addFileToPackage(const std::string& absfile, const FileReaderPtr& file, ParseResultPtr& pr) {
// 1
NodePtrVector result;
result = findNode(pr->ast, NodeType_Package);
if (result.size() == 0) {
pr->addDiag(Diagnostic(DiagnosticType_Error, "missing package declaration", Location(file->filename())));
return false;
}
if (result.size() > 1) {
for (unsigned i = 1; i < result.size(); ++i) {
pr->addDiag(Diagnostic(DiagnosticType_Error, "extra package declaration", result.at(i)->loc()));
}
pr->addDiag(Diagnostic(DiagnosticType_Info, "previous declared here", result.at(0)->loc()));
return false;
}
std::string pkgname = extractPackageName(result.at(0));
// 2
qi::Path pf(file->filename());
StringVector leafs = splitPkgName(pkgname);
qi::Path dirname;
qi::Path cur = pf.parent().absolute();
for (unsigned i = 0; i < leafs.size(); ++i)
{
dirname = qi::Path(cur.filename()) / dirname;
cur = cur.parent();
if (cur.isEmpty())
break;
}
qi::Path p = pf.parent().absolute();
for (int i = leafs.size() - 1; i >= 0; --i) {
std::string par = p.filename();
if (par != leafs.at(i)) {
pr->addDiag(Diagnostic(DiagnosticType_Error,
"package name '" + pkgname + "' do not match parent directory name '" + (std::string)dirname + "'",
result.at(0)->loc()));
return false;
}
p = p.parent();
}
std::string pkgpath = p.absolute().str();
addInclude(pkgpath);
addPackage(pkgname);
pr->package = pkgname;
package(pkgname)->setContent(absfile, pr);
return true;
}