37 lines
987 B
C
37 lines
987 B
C
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#ifndef clox_scanner_h
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#define clox_scanner_h
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typedef enum {
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// Single-character tokens.
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TOKEN_LEFT_PAREN, TOKEN_RIGHT_PAREN, TOKEN_LEFT_BRACE, TOKEN_RIGHT_BRACE,
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TOKEN_LEFT_BRACKET, TOKEN_RIGHT_BRACKET, TOKEN_COMMA, TOKEN_DOT, TOKEN_MINUS,
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TOKEN_PLUS, TOKEN_SEMICOLON, TOKEN_SLASH, TOKEN_STAR,
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// One or two character tokens.
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TOKEN_BANG, TOKEN_BANG_EQUAL, TOKEN_EQUAL, TOKEN_EQUAL_EQUAL, TOKEN_GREATER,
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TOKEN_GREATER_EQUAL, TOKEN_LESS, TOKEN_LESS_EQUAL, TOKEN_ROCKET,
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// Literals.
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TOKEN_IDENTIFIER, TOKEN_STRING, TOKEN_NUMBER,
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// Keywords.
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TOKEN_AND, TOKEN_CLASS, TOKEN_ELSE, TOKEN_FALSE, TOKEN_FOR, TOKEN_FUN,
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TOKEN_IF, TOKEN_NIL, TOKEN_OR, TOKEN_PRINT, TOKEN_RETURN, TOKEN_SUPER,
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TOKEN_THIS, TOKEN_TRUE, TOKEN_VAR, TOKEN_WHILE,
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TOKEN_ERROR, TOKEN_EOF
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} TokenType;
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typedef struct {
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TokenType type;
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const char* start;
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int length;
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int line;
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} Token;
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void initScanner(const char* source);
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Token scanToken();
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bool scannerHasSemicolons();
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#endif
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