blaze lisp
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/*
* Copyright (C) 2023 Riyyi
*
* SPDX-License-Identifier: MIT
*/
#pragma once
#include <list>
#include <string>
#include <unordered_map>
#include "forward.h"
namespace blaze {
class Environment {
public:
virtual ~Environment() = default;
// Factory functions instead of constructors because it can fail in the bindings/arguments case
static EnvironmentPtr create();
static EnvironmentPtr create(EnvironmentPtr outer);
static EnvironmentPtr create(const ValuePtr lambda, const ValueVector& arguments);
bool exists(const std::string& symbol);
ValuePtr set(const std::string& symbol, ValuePtr value);
ValuePtr get(const std::string& symbol);
protected:
Environment() {}
EnvironmentPtr m_outer { nullptr };
std::unordered_map<std::string, ValuePtr> m_values;
};
} // namespace blaze