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45 lines
977 B
45 lines
977 B
/* |
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* Copyright (C) 2023 Riyyi |
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* |
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* SPDX-License-Identifier: MIT |
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*/ |
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#pragma once |
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#include <list> |
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#include <stack> |
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#include "environment.h" |
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#include "forward.h" |
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namespace blaze { |
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class List; |
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class Eval { |
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public: |
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Eval(ValuePtr ast, EnvironmentPtr env); |
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virtual ~Eval() = default; |
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void eval(); |
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ValuePtr ast() const { return m_ast; } |
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private: |
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ValuePtr evalImpl(); |
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ValuePtr evalAst(ValuePtr ast, EnvironmentPtr env); |
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ValuePtr evalDef(const std::list<ValuePtr>& nodes, EnvironmentPtr env); |
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void evalLet(const std::list<ValuePtr>& nodes, EnvironmentPtr env); |
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void evalDo(const std::list<ValuePtr>& nodes, EnvironmentPtr env); |
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void evalIf(const std::list<ValuePtr>& nodes, EnvironmentPtr env); |
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ValuePtr evalFn(const std::list<ValuePtr>& nodes, EnvironmentPtr env); |
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ValuePtr apply(std::shared_ptr<List> evaluated_list); |
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ValuePtr m_ast; |
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EnvironmentPtr m_env; |
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std::stack<ValuePtr> m_ast_stack; |
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std::stack<EnvironmentPtr> m_env_stack; |
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}; |
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} // namespace blaze
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