47 lines
789 B
C++
47 lines
789 B
C++
#pragma once
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#include <string>
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#include <map>
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#include <vector>
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enum TokenType{
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OPEN_PAREN, CLOSE_PAREN, OPEN_BRACE, CLOSE_BRACE,
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COMMA, DOT, MINUS, PLUS, SEMICOLON, SLASH, STAR,
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BINARY_OP,
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BANG, BANG_EQUAL,
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EQUAL, DOUBLE_EQUAL,
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GREATER, GREATER_EQUAL,
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LESS, LESS_EQUAL,
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IDENTIFIER, STRING, NUMBER,
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AND, OR, TRUE, FALSE, IF, ELSE, FUNCTION, FOR,
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WHILE, VAR, CLASS, SUPER, THIS, NONE, RETURN,
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END_OF_FILE
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};
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const std::map<std::string, TokenType> KEYWORDS {
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};
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struct Token
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{
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TokenType type;
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std::string lexeme;
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//TODO Object literal;
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int line;
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};
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class Lexer{
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public:
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std::vector<Token> Tokenize(std::string source);
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private:
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int line;
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private:
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bool matchOn(char expected, std::vector<char>& src);
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};
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