partition fixes, main file fix

include/error_handling.hpp

@@ -29,6 +29,11 @@ inline void HandleParsingError(const std::string& message,
   exit(1);
 }
 
+inline void HandleGeneralError(const std::string& message) {
+  std::cout << "General Error: " << message << ".\n";
+  exit(1);
+}
+
 inline void HandleInternalError(const std::string& message, const std::string& place) {
   std::cout << "Internal Error: " << message << " at " << place << ".\n";
   exit(1);

include/interpreter_tree.hpp

@@ -194,8 +194,7 @@ struct ArrayExpression;
 struct PartitionName {
   BaseNode base;
 
-  std::vector<TypeIdentifier> path;
-  NameIdentifier name;
+  std::vector<AnyIdentifier> path; // name is last element of path
 };
 
 struct NameExpression;

src/build_visitor.cpp

@@ -1158,7 +1158,7 @@ void BuildVisitor::Visit(PartitionName* node) {
     }
   }
 
-  node->name = parse_node.ChildByFieldName("name").GetValue();
+  node->path.push_back(parse_node.ChildByFieldName("name").GetValue());
 
   current_node_ = parse_node;
 }

src/find_symbols_visitor.cpp

@@ -175,7 +175,7 @@ void FindSymbolsVisitor::Visit(TypeclassDefinitionStatement* node) {
 void FindSymbolsVisitor::Visit(PartitionStatement* node) {
   is_in_statement_ = true;
 
-  node->executable_id_ = namespace_visitor_.AddPartition(node->name.path, node->name.name, node);
+  node->executable_id_ = namespace_visitor_.AddPartition(node->name.path, node);
   // TODO: typecheck error on same tests
 
   is_in_statement_ = false;

src/main.cpp

@@ -37,7 +37,7 @@ int main(int argc, char** argv) { // TODO, only test version
   parser::ParseTree parse_tree(source);
 
   if (!parse_tree.IsProperlyParsed()) {
-    error_handling::HandleParsingError("There are some parsing errors in file.", {0, 0}, {0, 0});
+    error_handling::HandleParsingError("There are some parsing errors in file", {0, 0}, {0, 0});
   }
 
   std::unique_ptr<interpreter::tokens::SourceFile> source_file =
@@ -53,10 +53,6 @@ int main(int argc, char** argv) { // TODO, only test version
   interpreter::LinkSymbolsVisitor link_symbols_visitor(global_info);
   interpreter::TypeCheckVisitor type_check_visitor(global_info, type_context_manager);
   interpreter::TypedPrintVisitor typed_print_visitor(std::cout, type_context_manager);
-  interpreter::ExecuteVisitor execute_visitor(global_info,
-                                              type_context_manager,
-                                              context_manager,
-                                              nullptr); // TODO
 
   build_visitor.VisitSourceFile(source_file.get());
 
@@ -67,6 +63,20 @@ int main(int argc, char** argv) { // TODO, only test version
   link_symbols_visitor.VisitSourceFile(source_file.get());
   type_check_visitor.VisitSourceFile(source_file.get());
 
+  std::optional<utils::IdType> maybe_main_partition_id = global_info.FindPartition({"main"});
+
+  if (!maybe_main_partition_id.has_value()) {
+    error_handling::HandleGeneralError("No main partition found");
+  }
+
+  const info::GlobalInfo::PartitionInfo& main_partition =
+    global_info.GetPartitionInfo(maybe_main_partition_id.value());
+
+  interpreter::ExecuteVisitor execute_visitor(global_info,
+                                              type_context_manager,
+                                              context_manager,
+                                              main_partition.node);
+
   std::cout << "\n---------------------------------- Typed -------------------------------------\n\n";
   typed_print_visitor.VisitSourceFile(source_file.get());
 }

src/print_visitor.cpp

@@ -554,11 +554,12 @@ void PrintVisitor::Visit(ArrayExpression* node) {
 
 void PrintVisitor::Visit(PartitionName* node) {
   out_ << "[PartitionName] (";
-  for (auto& path_namespace : node->path) {
-    Visit(&path_namespace);
-    out_ << "::";
+  for (size_t i = 0; i < node->path.size(); ++i) {
+    Visit(&node->path[i]);
+    if (i + 1 < node->path.size()) {
+      out_ << "::";
+    }
   }
-  Visit(&node->name);
   out_ << ')';
 }
 

src/typed_print_visitor.cpp

@@ -782,11 +782,12 @@ void TypedPrintVisitor::Visit(PartitionName* node) {
   }
 
   out_ << "] (";
-  for (auto& path_namespace : node->path) {
-    Visit(&path_namespace);
-    out_ << "::";
+  for (size_t i = 0; i < node->path.size(); ++i) {
+    Visit(&node->path[i]);
+    if (i + 1 < node->path.size()) {
+      out_ << "::";
+    }
   }
-  Visit(&node->name);
   out_ << ')';
 }
 

src/visitor.cpp

@@ -567,7 +567,6 @@ void Visitor::Visit(PartitionName* node) {
   for (auto& path_namespace : node->path) {
     Visit(&path_namespace);
   }
-  Visit(&node->name);
 }
 
 void Visitor::Visit(NameExpression* node) {