Implements unknown types

src/Binder/Binder.cpp

@@ -124,6 +124,8 @@ namespace Porygon::Binder {
                 return ScriptType::BoolType;
             case HashedString::ConstHash("string"):
                 return StringScriptType::Dynamic;
+            case HashedString::ConstHash("table"):
+                return make_shared<TableScriptType>();
             default:
                 if (!UserData::UserDataStorage::HasUserDataType(hash)) {
                     return nullptr;

src/Diagnostics/DiagnosticsHolder.cpp

@@ -10,8 +10,8 @@ vector<Diagnostic> DiagnosticsHolder::GetDiagnostics() {
 void DiagnosticsHolder::Log(DiagnosticSeverity severity, DiagnosticCode code, unsigned int start, unsigned int length,
         const std::vector<string>& arguments) {
     _diagnostics.emplace_back(severity, code, start, length, arguments);
-    if (severity >= DiagnosticSeverity::Error){
-        _hasErrors = true;
+    if (severity == DiagnosticSeverity::Error){
+        _hasErrors = static_cast<byte>(1);
     }
 }
 
@@ -28,7 +28,7 @@ void DiagnosticsHolder::LogInfo(DiagnosticCode code, unsigned int start, unsigne
 }
 
 bool DiagnosticsHolder::HasErrors() {
-    return _hasErrors;
+    return _hasErrors == static_cast<byte>(1);
 }
 
 int DiagnosticsHolder::DiagnosticsCount() {

src/Diagnostics/DiagnosticsHolder.hpp

@@ -13,13 +13,13 @@ using namespace std;
 
 namespace Porygon::Diagnostics {
     class DiagnosticsHolder {
-        bool _hasErrors;
+        byte _hasErrors;
         vector<Diagnostic> _diagnostics;
         vector<size_t> _lineStarts;
         vector<size_t> _lineLength;
 
     public:
-        explicit DiagnosticsHolder(const u16string& str) :_hasErrors(false), _lineStarts(vector<size_t>{0}) {
+        explicit DiagnosticsHolder(const u16string& str) : _hasErrors(static_cast<byte>(0)), _lineStarts(vector<size_t>{0}) {
             size_t lineLength = 0;
             for (size_t i = 0; i < str.size(); i++){
                 lineLength++;

src/ScriptTypes/ScriptType.hpp

@@ -77,6 +77,9 @@ namespace Porygon{
         }
 
         [[nodiscard]] virtual CastResult CastableTo(const shared_ptr<const ScriptType>& castType, bool explicitCast) const{
+            if (_class == TypeClass::All){
+                return CastResult ::UncheckedCast;
+            }
             if (explicitCast)
                 return CastResult::InvalidCast;
             return CastResult::InvalidCast;

src/ScriptTypes/TableScriptType.hpp

@@ -15,9 +15,18 @@ namespace Porygon{
                   _localVariableCount(localVariableCount)
         {}
 
+        explicit TableScriptType()
+                : ScriptType(TypeClass::Table),
+                  _values(nullptr),
+                  _localVariableCount(0)
+        {}
+
+
         ~TableScriptType() final{
-            for (auto i : *_values){
-                delete i.second;
+            if (_values != nullptr){
+                for (const auto& i : *_values){
+                    delete i.second;
+                }
             }
             delete _values;
         }
@@ -33,10 +42,10 @@ namespace Porygon{
 
         shared_ptr<const ScriptType> GetIndexedType(const ScriptType* indexer) const final{
             auto stringKey = dynamic_cast<const StringScriptType*>(indexer);
-            if (stringKey->IsKnownAtBind()){
+            if (stringKey != nullptr && stringKey->IsKnownAtBind() && _values != nullptr){
                 return _values-> at(Utilities::HashedString::CreateLookup(stringKey->GetHashValue()))->GetType();
             }
-            throw "TODO: indexing with dynamic keys";
+            return make_shared<ScriptType>(TypeClass::All);
         }
 
         [[nodiscard]] inline shared_ptr<const ScriptType> GetIndexedType(uint32_t hash) const final{
@@ -46,6 +55,16 @@ namespace Porygon{
         [[nodiscard]] inline const map<Utilities::HashedString, BoundVariable*>* GetValues() const{
             return _values;
         }
+
+        [[nodiscard]]
+        bool CanBeIterated() const final {
+            return true;
+        }
+
+        [[nodiscard]]
+        shared_ptr<const ScriptType> GetIteratorKeyType() const final {
+            return make_shared<ScriptType>(TypeClass::All);
+        }
     };
 }
 

tests/integration/ModuleTests.cpp

@@ -11,7 +11,20 @@ class ModuleHandler{
         Internal(){
             MODULES = {
                 {"simple_return", Script::Create(u"return 500")},
-                {"simple_variables", Script::Create(u"foo = 50\nbar = \'test\'")}
+                {"simple_variables", Script::Create(u"foo = 50\nbar = \'test\'")},
+                {
+                    "complex_module", Script::Create(uR"(
+local module = {
+    function contains(table table, string s)
+        for _, v in table do
+            if (v == s) then return true end
+        end
+        return false
+    end
+}
+return module
+)")
+                }
             };
         }
 
@@ -22,6 +35,8 @@ class ModuleHandler{
             MODULES.clear();
         }
     };
+public:
+
     static Internal* _internal;
 
     static Internal* GetInternal(){
@@ -35,10 +50,11 @@ class ModuleHandler{
     }
 
     inline static Script* ResolveModule(const char* moduleName, size_t size){
-        return GetInternal()->MODULES[moduleName];
+        auto module = GetInternal()->MODULES[moduleName];
+        REQUIRE(!module->Diagnostics->HasErrors());
+        return module;
     }
 
-public:
     static void Initialize(){
         ScriptOptions::GetDefaultScriptOptions()->SetModuleExistsFunc(DoesModuleExist);
         ScriptOptions::GetDefaultScriptOptions()->SetResolveModuleFunc(ResolveModule);
@@ -77,4 +93,18 @@ require("simple_variables")
     delete script;
 }
 
+TEST_CASE( "Require string table contains", "[integration]" ) {
+    ModuleHandler::Initialize();
+    auto script = Script::Create(uR"(
+local list = require("complex_module")
+return list.contains({"foo", "bar"}, "bar")
+)");
+    REQUIRE(!script->Diagnostics -> HasErrors());
+    auto result = script->Evaluate();
+    CHECK(result->EvaluateBool());
+
+    delete script;
+}
+
+
 #endif