mirror of https://github.com/python/cpython
30 lines
1.1 KiB
C
30 lines
1.1 KiB
C
/* Tokenizer interface */
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#include "token.h" /* For token types */
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#define MAXINDENT 100 /* Max indentation level */
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/* Tokenizer state */
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struct tok_state {
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/* Input state; buf <= cur <= inp <= end */
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/* NB an entire token must fit in the buffer */
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char *buf; /* Input buffer */
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char *cur; /* Next character in buffer */
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char *inp; /* End of data in buffer */
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char *end; /* End of input buffer */
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int done; /* 0 normally, 1 at EOF, -1 after error */
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FILE *fp; /* Rest of input; NULL if tokenizing a string */
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int tabsize; /* Tab spacing */
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int indent; /* Current indentation index */
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int indstack[MAXINDENT]; /* Stack of indents */
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int atbol; /* Nonzero if at begin of new line */
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int pendin; /* Pending indents (if > 0) or dedents (if < 0) */
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char *prompt, *nextprompt; /* For interactive prompting */
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int lineno; /* Current line number */
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};
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extern struct tok_state *tok_setups PROTO((char *));
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extern struct tok_state *tok_setupf PROTO((FILE *, char *ps1, char *ps2));
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extern void tok_free PROTO((struct tok_state *));
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extern int tok_get PROTO((struct tok_state *, char **, char **));
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