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#ifndef Py_TOKENIZER_H

#define Py_TOKENIZER_H

#ifdef __cplusplus

extern "C" {

#endif

#include "object.h"

/* Tokenizer interface */

#include "token.h" /* For token types */

#define MAXINDENT 100 /* Max indentation level */

/* Tokenizer state */

struct tok_state {

/* Input state; buf <= cur <= inp <= end */

/* NB an entire line is held in the buffer */

char *buf; /* Input buffer, or NULL; malloc'ed if fp != NULL */

char *cur; /* Next character in buffer */

char *inp; /* End of data in buffer */

char *end; /* End of input buffer if buf != NULL */

char *start; /* Start of current token if not NULL */

int done; /* E_OK normally, E_EOF at EOF, otherwise error code */

/* NB If done != E_OK, cur must be == inp!!! */

FILE *fp; /* Rest of input; NULL if tokenizing a string */

int tabsize; /* Tab spacing */

int indent; /* Current indentation index */

int indstack[MAXINDENT]; /* Stack of indents */

int atbol; /* Nonzero if at begin of new line */

int pendin; /* Pending indents (if > 0) or dedents (if < 0) */

char *prompt, *nextprompt; /* For interactive prompting */

int lineno; /* Current line number */

int level; /* () [] {} Parentheses nesting level */

/* Used to allow free continuations inside them */

/* Stuff for checking on different tab sizes */

const char *filename; /* For error messages */

int altwarning; /* Issue warning if alternate tabs don't match */

int alterror; /* Issue error if alternate tabs don't match */

int alttabsize; /* Alternate tab spacing */

int altindstack[MAXINDENT]; /* Stack of alternate indents */

/* Stuff for PEP 0263 */

int decoding_state; /* -1:decoding, 0:init, 1:raw */

int decoding_erred; /* whether erred in decoding */

int read_coding_spec; /* whether 'coding:...' has been read */

char *encoding;

int cont_line; /* whether we are in a continuation line. */

const char* line_start; /* pointer to start of current line */

#ifndef PGEN

PyObject *decoding_readline; /* codecs.open(...).readline */

PyObject *decoding_buffer;

#endif

const char* enc;

const char* str;

const char* input; /* Tokenizer's newline translated copy of the string. */

};

extern struct tok_state *PyTokenizer_FromString(const char *, int);

extern struct tok_state *PyTokenizer_FromFile(FILE *, char *, char *);

extern void PyTokenizer_Free(struct tok_state *);

extern int PyTokenizer_Get(struct tok_state *, char **, char **);

#if defined(PGEN) || defined(Py_USING_UNICODE)

extern char * PyTokenizer_RestoreEncoding(struct tok_state* tok,

int len, int *offset);

#endif

#ifdef __cplusplus

}

#endif

#endif /* !Py_TOKENIZER_H */

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