funk/src/runner/runner.h

#pragma once

#include <map>
#include <optional>
#include <variant>
#include <string>
#include <vector>

#include "../parser/parser.h"

class Object {
public:
    bool isCustomObject = false;
    std::variant<ASTValue, ASTFunction> value;
    std::map<std::string, std::variant<Object, ASTFunction, ASTValue>> children;
    Object(ASTValue value);
    Object(ASTFunction function);
    Object();
};

/**
 * @class Executor
 * @brief Responsible for executing a sequence of operations defined in an abstract syntax tree (AST).
 *
 * This class provides execution functionality for ASTCodeBlock objects.
 * It maintains a mapping of variables and functions that can be used within the
 * context of execution. The class implements mechanisms for traversing AST nodes
 * and consuming or peeking at individual nodes.
 */

class Executor {
    private:
    std::map<std::string, Object> variables;
    ASTCodeBlock code;
    size_t iterator = 0;
    std::optional<ASTNode> consume();
    std::optional<ASTNode> peek(int ahead = 1);
    void printValue(const ASTValue& arg);
    public:
    explicit Executor(ASTCodeBlock in, bool isInitCall = false, std::map<std::string, Object> scopeVals = {}, std::vector<Object> args = {});
    std::map<std::string, Object> getVariables();
};