67 lines
2.6 KiB
C++
67 lines
2.6 KiB
C++
/*
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* Parsodus - A language agnostic parser generator
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* Copyright © 2016-2017 Thomas Avé, Robin Jadoul, Kobe Wullaert
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#ifndef CALC_PARSER_H
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#define CALC_PARSER_H
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#include "calcParser.h"
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#include "CalcLexer.h"
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#include "AST.h"
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#include <map>
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#include <memory>
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#include <string>
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namespace calc {
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class Parser : public calcParser<std::unique_ptr<AST>> {
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public:
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Parser(CalcLexer lex);
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protected:
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using Value = std::unique_ptr<AST>;
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Token lex() override;
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Value error(Token current, const std::vector<calcParser_Symbol>& expected) override;
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Value reduce_arguments(std::deque<Token> subparts) override;
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Value reduce_assign(std::deque<Token> subparts) override;
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Value reduce_binop(std::deque<Token> subparts) override;
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Value reduce_expr_simple(std::deque<Token> subparts) override;
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Value reduce_functioncall(std::deque<Token> subparts) override;
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Value reduce_functiondef(std::deque<Token> subparts) override;
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Value reduce_idents(std::deque<Token> subparts) override;
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Value reduce_opt_arguments(std::deque<Token> subparts) override;
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Value reduce_opt_idents(std::deque<Token> subparts) override;
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Value reduce_parenthesized(std::deque<Token> subparts) override;
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Value reduce_toplevel(std::deque<Token> subparts) override;
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Value reduce_umin(std::deque<Token> subparts) override;
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private:
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CalcLexer m_lex;
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std::map<std::string, double> m_variables;
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std::map<std::string, std::unique_ptr<AST>> m_functions;
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};
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} /* calc */
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#endif //CALC_PARSER_H
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