/Parser/tokenizer.h
http://unladen-swallow.googlecode.com/ · C Header · 69 lines · 54 code · 7 blank · 8 comment · 1 complexity · 09ca14a3d7754546bf85288cdf0c6f00 MD5 · raw file
- #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;
- };
- extern struct tok_state *PyTokenizer_FromString(const char *);
- 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 */