ScopeResult FileScope::findSymbolInUsed(const std::string& symbol) const {
ScopeResult result;
// symbol can be package name or symbol within package
const Package* pkg = findPackage(symbol);
if (pkg) {
result.pkg = pkg;
result.external = isExternal(pkg);
return result;
}
// search in all used packages
for (PackagesConstIter iter = packages.begin(); iter != packages.end(); ++iter) {
const Package* pkg = iter->second;
Decl* decl = pkg->findSymbol(symbol);
if (!decl) continue;
bool external = isExternal(pkg);
bool visible = !(external && !decl->isPublic());
// NOTE: dont check ambiguity here (just return first match)
result.decl = decl;
result.pkg = pkg;
result.external = external;
result.visible = visible;
}
return result;
}
ScopeResult FileScope::findSymbol(const std::string& symbol) const {
ScopeResult result;
// symbol can be package name or symbol within package
const Package* pkg = findPackage(symbol);
if (pkg) {
result.pkg = pkg;
result.external = isExternal(pkg);
return result;
}
// return private symbol only if no public symbol is found
// ambiguous may also be set with visible = false
for (LocalsConstIter iter = locals.begin(); iter != locals.end(); ++iter) {
const Package* pkg = *iter;
Decl* decl = pkg->findSymbol(symbol);
if (!decl) continue;
bool external = isExternal(pkg);
bool visible = !(external && !decl->isPublic());
if (result.decl) { // already found
if (result.visible == visible) {
result.ambiguous = true;
if (result.visible) break;
continue;
}
if (!result.visible) { // replace with visible symbol
result.decl = decl;
result.pkg = pkg;
result.external = external;
result.ambiguous = false;
result.visible = visible;
}
} else {
result.decl = decl;
result.pkg = pkg;
result.external = external;
result.visible = visible;
}
}
return result;
}
