35 lines
725 B
C++
35 lines
725 B
C++
#ifndef SCANNER_HH
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#define SCANNER_HH
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#include "token.hh"
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#include <cstddef>
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#include <vector>
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#include <string>
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#include <unordered_map>
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struct Scanner {
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Scanner(const std::string &code);
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std::vector<Token> scan_tokens();
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bool is_at_end();
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bool is_digit(char c);
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bool is_alpha(char c);
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bool is_alphanumeric(char c);
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void scan_token();
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char advance();
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bool match(char expected);
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char peek();
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char peek_next();
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void add_token(TokenType type);
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void add_token(TokenType type, Object literal);
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void string();
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void number();
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void identifier();
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std::string code;
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std::vector<Token> tokens;
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std::size_t start, current, line;
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std::unordered_map<std::string, TokenType> keywords;
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};
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#endif
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