| #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 */ |
| |
| enum decoding_state { |
| STATE_INIT, |
| STATE_RAW, |
| STATE_NORMAL, /* have a codec associated with input */ |
| }; |
| |
| /* 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 */ |
| enum decoding_state decoding_state; |
| 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 *, char *); |
| extern void PyTokenizer_Free(struct tok_state *); |
| extern int PyTokenizer_Get(struct tok_state *, char **, char **); |
| extern char * PyTokenizer_RestoreEncoding(struct tok_state* tok, |
| int len, int *offset); |
| extern char * PyTokenizer_FindEncoding(FILE *fp); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| #endif /* !Py_TOKENIZER_H */ |