AppPkg/Applications/Python/Python-2.7.10/Parser/tokenizer.h

   1 #ifndef Py_TOKENIZER_H
   2 #define Py_TOKENIZER_H
   3 #ifdef __cplusplus
   4 extern "C" {
   5 #endif
   6
   7 #include "object.h"
   8
   9 /* Tokenizer interface */
  10
  11 #include "token.h"      /* For token types */
  12
  13 #define MAXINDENT 100   /* Max indentation level */
  14
  15 /* Tokenizer state */
  16 struct tok_state {
  17     /* Input state; buf <= cur <= inp <= end */
  18     /* NB an entire line is held in the buffer */
  19     char *buf;          /* Input buffer, or NULL; malloc'ed if fp != NULL */
  20     char *cur;          /* Next character in buffer */
  21     char *inp;          /* End of data in buffer */
  22     char *end;          /* End of input buffer if buf != NULL */
  23     char *start;        /* Start of current token if not NULL */
  24     int done;           /* E_OK normally, E_EOF at EOF, otherwise error code */
  25     /* NB If done != E_OK, cur must be == inp!!! */
  26     FILE *fp;           /* Rest of input; NULL if tokenizing a string */
  27     int tabsize;        /* Tab spacing */
  28     int indent;         /* Current indentation index */
  29     int indstack[MAXINDENT];            /* Stack of indents */
  30     int atbol;          /* Nonzero if at begin of new line */
  31     int pendin;         /* Pending indents (if > 0) or dedents (if < 0) */
  32     char *prompt, *nextprompt;          /* For interactive prompting */
  33     int lineno;         /* Current line number */
  34     int level;          /* () [] {} Parentheses nesting level */
  35             /* Used to allow free continuations inside them */
  36     /* Stuff for checking on different tab sizes */
  37     const char *filename;       /* For error messages */
  38     int altwarning;     /* Issue warning if alternate tabs don't match */
  39     int alterror;       /* Issue error if alternate tabs don't match */
  40     int alttabsize;     /* Alternate tab spacing */
  41     int altindstack[MAXINDENT];         /* Stack of alternate indents */
  42     /* Stuff for PEP 0263 */
  43     int decoding_state;         /* -1:decoding, 0:init, 1:raw */
  44     int decoding_erred;         /* whether erred in decoding  */
  45     int read_coding_spec;       /* whether 'coding:...' has been read  */
  46     char *encoding;
  47     int cont_line;          /* whether we are in a continuation line. */
  48     const char* line_start;     /* pointer to start of current line */
  49 #ifndef PGEN
  50     PyObject *decoding_readline; /* codecs.open(...).readline */
  51     PyObject *decoding_buffer;
  52 #endif
  53     const char* enc;
  54     const char* str;
  55     const char* input; /* Tokenizer's newline translated copy of the string. */
  56 };
  57
  58 extern struct tok_state *PyTokenizer_FromString(const char *, int);
  59 extern struct tok_state *PyTokenizer_FromFile(FILE *, char *, char *);
  60 extern void PyTokenizer_Free(struct tok_state *);
  61 extern int PyTokenizer_Get(struct tok_state *, char **, char **);
  62 #if defined(PGEN) || defined(Py_USING_UNICODE)
  63 extern char * PyTokenizer_RestoreEncoding(struct tok_state* tok,
  64                                           int len, int *offset);
  65 #endif
  66
  67 #ifdef __cplusplus
  68 }
  69 #endif
  70 #endif /* !Py_TOKENIZER_H */