CachedUnit createUnitFromString(const char* path,
const String& contents) {
auto const md5 = MD5 {
mangleUnitMd5(string_md5(contents.data(), contents.size())).c_str()
};
// Try the repo; if it's not already there, invoke the compiler.
if (auto const unit = Repo::get().loadUnit(path, md5)) {
return CachedUnit { unit, RDS::allocBit() };
}
auto const unit = compile_file(contents.data(), contents.size(), md5, path);
return CachedUnit { unit, RDS::allocBit() };
}
Unit* compile_string(const char* s,
size_t sz,
const char* fname,
Unit** releaseUnit) {
auto const md5 = MD5{mangleUnitMd5(string_md5(folly::StringPiece{s, sz}))};
if (auto u = Repo::get().loadUnit(fname ? fname : "", md5).release()) {
return u;
}
// NB: fname needs to be long-lived if generating a bytecode repo because it
// can be cached via a Location ultimately contained by ErrorInfo for printing
// code errors.
return g_hphp_compiler_parse(s, sz, md5, fname, releaseUnit);
}
Unit* compile_systemlib_string(const char* s, size_t sz, const char* fname) {
if (RuntimeOption::RepoAuthoritative) {
String systemName = String("/:") + fname;
auto md5 = MD5{mangleUnitMd5(string_md5(folly::StringPiece{s,sz}))};
if (Repo::get().findFile(systemName.data(),
SourceRootInfo::GetCurrentSourceRoot(),
md5) == RepoStatus::success) {
if (auto u = Repo::get().loadUnit(fname, md5)) {
return u.release();
}
}
}
return compile_string(s, sz, fname);
}
