Daniel Henry
495545ef22
Implement basic parsing / scanner Signed-off-by: Daniel Henry <iamdanhenry@gmail.com>
63 lines
981 B
C
63 lines
981 B
C
#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,
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TOKEN_RIGHT_PAREN,
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TOKEN_LEFT_BRACE,
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TOKEN_RIGHT_BRACE,
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TOKEN_COMMA,
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TOKEN_DOT,
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TOKEN_MINUS,
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TOKEN_PLUS,
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TOKEN_SEMICOLON,
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TOKEN_SLASH,
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TOKEN_STAR,
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// One or two character tokens.
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TOKEN_BANG,
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TOKEN_BANG_EQUAL,
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TOKEN_EQUAL,
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TOKEN_EQUAL_EQUAL,
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TOKEN_GREATER,
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TOKEN_GREATER_EQUAL,
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TOKEN_LESS,
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TOKEN_LESS_EQUAL,
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// Literals.
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TOKEN_IDENTIFIER,
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TOKEN_STRING,
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TOKEN_NUMBER,
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// Keywords.
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TOKEN_AND,
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TOKEN_CLASS,
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TOKEN_ELSE,
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TOKEN_FALSE,
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TOKEN_FOR,
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TOKEN_FUN,
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TOKEN_IF,
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TOKEN_NIL,
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TOKEN_OR,
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TOKEN_PRINT,
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TOKEN_RETURN,
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TOKEN_SUPER,
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TOKEN_THIS,
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TOKEN_TRUE,
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TOKEN_VAR,
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TOKEN_WHILE,
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TOKEN_ERROR,
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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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#endif /* clox_scanner_h */
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