44 lines
1.5 KiB
C++
44 lines
1.5 KiB
C++
#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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