26 lines
682 B
C
26 lines
682 B
C
#include <stddef.h>
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int lex_looks_like_year(const char *, int *);
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int lex_looks_like_month(const char *);
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int lex_looks_like_day(const char *);
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#define LEX_SYMBOL X(END), X(ERROR), X(TEXT), X(BANG), X(BRACKET), X(WHITE), \
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X(MAP), \
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/* Commands */ X(SOURCE), X(DEFAULT), X(SIGNIFICANT), X(SCORE), \
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/* Arguments */ X(ARG_KEYWORD), X(ARG_DATE), X(ARG_NATURAL), X(ARG_FREEFORM)
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#define X(n) n
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struct lex {
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enum lex_symbol { LEX_SYMBOL } symbol;
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int ws_before, new_paragraph;
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const char *s0, *s1;
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size_t line;
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};
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#undef X
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#define X(n) #n
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static const char *const lex_symbols[] = { LEX_SYMBOL };
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#undef X
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void lex_reset(const char *const buffer);
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int lex_next(struct lex *);
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