#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 */ |