lang_2023/src/print_visitor.cpp

// for clangd
#include "../include/print_visitor.hpp"

namespace interpreter {

void PrintVisitor::Visit(Node* node) {
  out_ << "[Node]\n";
}

// Sources -----------------
void PrintVisitor::Visit(SourceFile* node) {
  out_ << "(SourceFile\n\n";
  for (auto& statement : node->statements) {
    if (std::holds_alternative<Partition>(statement)) {
      Visit(&std::get<Partition>(statement));
    } else if (std::holds_alternative<SourceStatement>(statement)) {
      Visitor::Visit(std::get<SourceStatement>(statement));
    } else {
      // error
    }
  }
  out_ << "\nSourceFile)\n";
}

void PrintVisitor::Visit(Sources* node) {
  out_ << "(Sources\n\n";
  for (auto& statement : node->statements) {
    Visitor::Visit(statement);
  }
  out_ << "\n)\n";
}

// Namespaces, partittions -----------------

void PrintVisitor::Visit(Partition* node) {
  out_ << "(Partition ";
  switch (node->type) {
    case Partition::Test:
      out_ << "TEST";
      break;
    case Partition::Interface:
      out_ << "INTERFACE";
      break;
    case Partition::Core:
      out_ << "CORE";
      break;
    case Partition::Lib:
      out_ << "LIB";
      break;
    case Partition::Module:
      out_ << "MODULE";
      break;
    case Partition::Exe:
      out_ << "EXE";
      break;
  }
  out_ << " {\n";
  Visit(node->scope.get());
  out_ << "} )\n";
}

void PrintVisitor::Visit(Namespace* node) {
  out_ << "(Namespace ";
  if (std::holds_alternative<std::unique_ptr<DefinedAnnotatedName>>(node->name)) {
    if (node->is_const) {
      out_ << "const ";
    } else {
      out_ << "var ";
    }
    Visit(std::get<std::unique_ptr<DefinedAnnotatedName>>(node->name).get());
  } else if (std::holds_alternative<std::unique_ptr<DefinedType>>(node->name)) {
    Visit(std::get<std::unique_ptr<DefinedType>>(node->name).get());
  } else {
    // error
  }
  out_ << "{\n";
  Visit(node->scope.get());
  out_ << "} )\n";
}

// Definitions -----------------

void PrintVisitor::Visit(ImportStatement* node) {
  out_ << "(Import \"" << node->module_name << "\" ";
  if (node->symbols.size() > 0) {
    out_ << '\n';
  }
  for (auto& symbol : node->symbols) {
    Visitor::Visit(symbol);
    out_ << '\n';
  }
  out_ << ")\n";
}

void PrintVisitor::Visit(UsageDefinition* node) {
  out_ << "(Usage ";
  Visit(&node->name);
  out_ << " = ";
  Visit(node->import_statement.get());
  out_ << ")\n";
}

void PrintVisitor::Visit(AliasDefinition* node) {
  out_ << "(Alias ";
  Visit(node->type.get());
  out_ << " = ";
  Visit(node->value.get());
  out_ << ")\n";
}

void PrintVisitor::Visit(VariableDefinition* node) {
  out_ << "(Variable " << (node->is_const ? "const" : "var") << ' ';
  Visit(&node->name);
  out_ << " = ";
  Visitor::Visit(node->value);
  out_ << ")\n";
}

void PrintVisitor::Visit(FunctionDeclaration* node) {
  out_ << "(FunctionDeclaration ";
  Visit(&node->name);
  out_ << "\n";
  for (auto& parameter : node->parameters) {
    Visit(parameter.get());
  }
  out_ << " : \n";
  for (auto& argument_type : node->argument_types) {
    Visitor::Visit(argument_type);
  }
  out_ << ")\n";
}

void PrintVisitor::Visit(FunctionDefinition* node) {
  out_ << "(Function ";
  Visit(node->name.get());
  out_ << " = ";
  Visitor::Visit(node->value);
  out_ << ")\n";
}

void PrintVisitor::Visit(AliasTypeDefinition* node) {
  out_ << "(AliasType ";
  Visit(node->type.get());
  out_ << " = ";
  Visit(node->value.get());
  out_ << ")\n";
}

void PrintVisitor::Visit(TypeDefinition* node) {
  out_ << "(Type ";
  Visit(node->type.get());
  out_ << " = ";
  Visitor::Visit(node->value);
  out_ << ")\n";
}

void PrintVisitor::Visit(TypeclassDefinition* node) {
  out_ << "(Typeclass ";
  Visit(node->typeclass.get());
  if (node->requirements.size() > 0) {
    out_ << " : \n";
  }
  for (auto& requirement : node->requirements) {
    out_ << "& ";
    Visit(requirement.get());
  }
  out_ << ")\n";
}

// Definition parts

void PrintVisitor::Visit(DefinedName* node) {
  out_ << "(DefinedName ";
  Visit(&node->name);
  if (node->parameters.size() > 0) {
    out_ << "\n";
  }
  for (auto& parameter : node->parameters) {
    Visit(parameter.get());
  }
  if (node->arguments.size() > 0) {
    out_ << " : \n";
  }
  for (auto& argument : node->arguments) {
    Visit(argument.get());
  }
  out_ << ")";
}

void PrintVisitor::Visit(DefinedAnnotatedName* node) {
  out_ << "(DefinedAnnotatedName ";
  Visit(&node->name);
  out_ << " : ";
  if (std::holds_alternative<std::unique_ptr<DefinedType>>(node->type)) {
    Visit(std::get<std::unique_ptr<DefinedType>>(node->type).get());
  } else if (std::holds_alternative<std::unique_ptr<DefinedTypeclass>>(node->type)) {
    Visit(std::get<std::unique_ptr<DefinedTypeclass>>(node->type).get());
  } else {
    // no annotation
  }
  out_ << " )";
}

void PrintVisitor::Visit(DefinedType* node) {
  out_ << "(DefinedType ";
  Visit(node->type.get());
  if (node->parameters.size() > 0) {
    out_ << "\n";
  }
  for (auto& parameter : node->parameters) {
    Visit(parameter.get());
  }
  if (node->arguments.size() > 0) {
    out_ << " : \n";
  }
  for (auto& argument : node->arguments) {
    Visit(argument.get());
  }
  out_ << ")";
}

void PrintVisitor::Visit(DefinedTypeclass* node) {
  out_ << "(DefinedTypeclass ";
  Visit(node->typeclass.get());
  if (node->parameters.size() > 0) {
    out_ << "\n";
  }
  for (auto& parameter : node->parameters) {
    Visit(parameter.get());
  }
  if (node->arguments.size() > 0) {
    out_ << " : \n";
  }
  for (auto& argument : node->arguments) {
    Visit(argument.get());
  }
  out_ << ")";
}

void PrintVisitor::Visit(DefinitionParameter* node) {
  out_ << "(DefinitionParameter " << (node->typeclasses.size() > 0 ? "(" : "");
  Visit(&node->type);
  out_ << ' ';
  for (auto& typeclass : node->typeclasses) {
    Visit(typeclass.get());
  }
  out_ << ")";
}

void PrintVisitor::Visit(DefinitionArgument* node) {
  out_ << "(DefinitionArgument " << (node->types.size() > 0 ? "(" : "");
  Visit(&node->name);
  out_ << ' ';
  for (auto& type : node->types) {
    Visit(type.get());
  }
  out_ << ")";
}

// Flow control -----------------

void PrintVisitor::Visit(MatchCase* node) {
  out_ << "(MatchCase | ";
  Visitor::Visit(node->value);
  if (node->condition.has_value()) {
    out_ << " ? ";
    Visitor::Visit(node->condition.value());
  }
  if (node->statement.has_value()) {
    out_ << " -> ";
    Visitor::Visit(node->statement.value());
  }
  out_ << ")\n";
}

void PrintVisitor::Visit(Match* node) {
  out_ << "(Match ";
  Visitor::Visit(node->value);
  out_ << " with\n";
  for (auto& match_case : node->matches) {
    Visit(&match_case);
  }
  out_ << ")\n";
}

void PrintVisitor::Visit(Condition* node) {
  out_ << "(If ";
  Visitor::Visit(node->conditions[0]);
  out_ << " then\n";
  Visitor::Visit(node->statements[0]);
  out_ << '\n';
  for (size_t i = 1; i < node->conditions.size(); ++i) {
      out_ << "elif ";
      Visitor::Visit(node->conditions[i]);
      out_ << " then\n";
      Visitor::Visit(node->statements[i]);
      out_ << '\n';
  }
  if (node->statements.size() > node->conditions.size()) {
    out_ << "else ";
    Visitor::Visit(node->statements[node->conditions.size()]);
    out_ << '\n';
  }
  out_ << ")\n";
}

void PrintVisitor::Visit(DoWhileLoop* node) {
  out_ << "(DoWhile\n";
  Visitor::Visit(node->statement);
  out_ << "\nwhile\n";
  Visitor::Visit(node->condition);
  out_ << "\n)\n";
}

void PrintVisitor::Visit(WhileLoop* node) {
  out_ << "(While\n";
  Visitor::Visit(node->statement);
  out_ << "\ndo\n";
  Visitor::Visit(node->condition);
  out_ << "\n)\n";
}
void PrintVisitor::Visit(ForLoop* node) {
  out_ << "(For\n";
  Visitor::Visit(node->variable);
  out_ << "\nin\n";
  Visitor::Visit(node->interval);
  out_ << "\ndo\n";
  Visitor::Visit(node->statement);
  out_ << ")\n";
}

void PrintVisitor::Visit(LoopLoop* node) {
  out_ << "(Loop\n";
  Visitor::Visit(node->statement);
  out_ << "\nLoop)\n";
}

// Statements, expressions, blocks, etc. -----------------

void PrintVisitor::Visit(Block* node) {
  out_ << "(Block {\n";
  for (auto& statement : node->statements) {
    Visitor::Visit(statement);
  }
  out_ << "} )\n";
}

void PrintVisitor::Visit(ScopedStatement* node) {
  out_ << "(Scoped ( ";
  Visitor::Visit(node->statement);
  out_ << " ) )\n";
}

void PrintVisitor::Visit(LoopControlExpression& node) { // enum
  switch (node) {
    case LoopControlExpression::Break:
      out_ << "(Break/>\n";
      break;
    case LoopControlExpression::Continue:
      out_ << "(Continue/>\n";
      break;
  }
}

// Operators

void PrintVisitor::Visit(BinaryOperatorExpression* node) {
  out_ << "(BinaryOperator ";
  Visitor::Visit(node->left_expression);
  out_ << ' ';
  Visit(&node->operator_name);
  out_ << ' ';
  Visitor::Visit(node->right_expression);
  out_ << " )";
}

void PrintVisitor::Visit(UnaryOperatorExpression* node) {
  out_ << "(UnaryOperator ";
  Visit(&node->operator_name);
  out_ << ' ';
  Visitor::Visit(node->expression);
  out_ << " )";
}

// Simple Expressions

void PrintVisitor::Visit(FunctionCallExpression* node) {
  out_ << "(FunctionCall ";
  Visit(node->name.get());
  out_ << ' ';
  for (auto& argument : node->arguments) {
    Visitor::Visit(argument);
    out_ << ' ';
  }
  out_ << ")\n";
}

void PrintVisitor::Visit(TupleExpression* node) {
  out_ << "(TupleExpression ";
  out_ << ' ';
  for (auto& expression : node->expressions) {
    out_ << "& ";
    Visitor::Visit(expression);
  }
  out_ << " )\n";
}

void PrintVisitor::Visit(VariantExpression* node) {
  out_ << "(VariantExpression ";
  out_ << ' ';
  for (auto& expression : node->expressions) {
    out_ << "& ";
    Visitor::Visit(expression);
  }
  out_ << " )\n";
}

void PrintVisitor::Visit(ReturnExpression* node) {
  out_ << "(Return ";
  Visitor::Visit(node->expression);
  out_ << " )\n";
}

// Lambda

void PrintVisitor::Visit(LambdaFunction* node) {
  out_ << "(LambdaFunction \\ ";
  for (auto& parameter : node->parameters) {
    Visit(parameter.get());
  }
  if (node->parameters.size() > 0) {
    out_ << " : ";
  }
  for (auto& argument : node->arguments) {
    Visit(argument.get());
  }
  out_ << " -> ";
  Visitor::Visit(node->expression);
  out_ << " )\n";
}

// Name

void PrintVisitor::Visit(NameSuperExpression* node) {
  out_ << "(NameSuperExpression ";
  for (auto& variable_namespace : node->namespaces) {
    Visitor::Visit(variable_namespace);
    out_ << '.';
  }
  for (size_t i = 0; i < node->expressions.size(); ++i) {
    Visitor::Visit(node->expressions[i]);
    if (i + 1 < node->expressions.size()) {
      out_ << '.';
    }
  }
  out_ << ")";
}

void PrintVisitor::Visit(NameExpression* node) {
  out_ << "(NameExpression ";
  for (auto& variable_namespace : node->namespaces) {
    Visitor::Visit(variable_namespace);
    out_ << '.';
  }
  for (size_t i = 0; i < node->names.size(); ++i) {
    Visit(&node->names[i]);
    if (i + 1 < node->names.size()) {
      out_ << '.';
    }
  }
  out_ << ")";
}

void PrintVisitor::Visit(TupleName* node) {
  out_ << "(TupleName ";
  for (auto& name : node->names) {
    out_ << '&';
    Visit(name.get());
  }
  out_ << ")";
}

void PrintVisitor::Visit(VariantName* node) {
  out_ << "(VariantName ";
  for (auto& name : node->names) {
    out_ << '|';
    Visit(name.get());
  }
  out_ << ")";
}

void PrintVisitor::Visit(AnnotatedName* node) {
  out_ << "(AnnotatedName ";
  Visit(&node->name);
  if (node->type.has_value()) {
    out_ << " : ";
    Visit(node->type.value().get());
  }
  out_ << " )";
}

// Type

void PrintVisitor::Visit(TypeConstructor* node) {
  out_ << "(TypeConstructor ";
  Visit(node->type.get());
  out_ << '\n';
  for (auto& parameter : node->parameters) {
    Visit(&parameter.first);
    out_ << " = ";
    Visitor::Visit(parameter.second);
    out_ << '\n';
  }
  out_ << ")";
}

void PrintVisitor::Visit(TupleType* node) {
  out_ << "(TupleType ";
  if (node->type.has_value()) {
    Visit(&node->type.value());
  }
  out_ << ' ';
  for (auto& entity : node->entities) {
    out_ << "& ";
    if (entity.first.has_value()) {
      Visit(&entity.first.value());
      out_ << " : ";
    }
    Visitor::Visit(entity.second);
  }
  out_ << ")";
}

void PrintVisitor::Visit(VariantType* node) {
  out_ << "(VariantType ";
  if (node->type.has_value()) {
    Visit(&node->type.value());
  }
  out_ << ' ';
  for (auto& constructor : node->constructors) {
    out_ << "| ";
    if (std::holds_alternative<TypeIdentifierDefinition>(constructor)) {
      Visit(&std::get<TypeIdentifierDefinition>(constructor));
    } else if (std::holds_alternative<std::unique_ptr<TupleType>>(constructor)) {
      Visit(std::get<std::unique_ptr<TupleType>>(constructor).get());
    } else {
      // error
    }
  }
  out_ << ")";
}

void PrintVisitor::Visit(AnnotatedType* node) {
  out_ << "(AnnotatedType ";
  Visit(node->type_expression.get());
  if (node->annotations.size() > 0) {
    out_ << " :";
  }
  for (auto& annotation : node->annotations) {
    out_ << " ";
    Visit(annotation.get());
  }
  out_ << ")";
}

void PrintVisitor::Visit(ParametrizedType* node) {
  out_ << "(ParametrizedType ";
  Visit(node->type_expression.get());
  for (auto& paramater : node->parameters) {
    out_ << ' ';
    Visitor::Visit(paramater);
  }
  out_ << " )";
}

void PrintVisitor::Visit(TypeExpression* node) {
  out_ << "(TypeExpression ";
  for (auto& type_namespace : node->namespaces) {
    Visitor::Visit(type_namespace);
    out_ << '.';
  }
  Visit(&node->type);
  out_ << " )";
}

// Typeclass

void PrintVisitor::Visit(AnnotatedTypeclass* node) {
  out_ << "(AnnotatedTypeclass ";
  Visit(node->typeclass_expression.get());
  if (node->annotations.size() > 0) {
    out_ << " :";
  }
  for (auto& annotation : node->annotations) {
    out_ << " ";
    Visit(annotation.get());
  }
  out_ << ")";
}

void PrintVisitor::Visit(ParametrizedTypeclass* node) {
  out_ << "(ParametrizedTypeclass ";
  Visit(node->typeclass_expression.get());
  for (auto& paramater : node->parameters) {
    out_ << ' ';
    Visitor::Visit(paramater);
  }
  out_ << " )";
}

void PrintVisitor::Visit(TypeclassExpression* node) {
  out_ << "(TypeclassExpression ";
  for (auto& typeclass_namespace : node->namespaces) {
    Visitor::Visit(typeclass_namespace);
    out_ << '.';
  }
  Visit(&node->typeclass);
  out_ << " )";
}

// Identifiers, constants, etc. -----------------

void PrintVisitor::Visit(AnyIdentifier* node) { // std::string
  out_ << "(Identifier " << *node << " )";
}

void PrintVisitor::Visit(FloatNumberLiteral* node) {
  out_ << "(FloatNumber " << node->value << " )";
}

void PrintVisitor::Visit(NumberLiteral* node) {
  out_ << "(Number " << node->value << " )";
}

void PrintVisitor::Visit(StringLiteral* node) {
  out_ << "(String " << node->value << " )";
}

void PrintVisitor::Visit(CharLiteral* node) {
  out_ << "(Char " << node->value << " )";
}

} // namespace interpreter