mirror of
https://github.com/python/cpython.git
synced 2024-11-22 05:26:10 +01:00
1ed83adb0e
This commit removes the old parser, the deprecated parser module, the old parser compatibility flags and environment variables and all associated support code and documentation.
47 lines
1.8 KiB
C
47 lines
1.8 KiB
C
#ifndef STRINGS_H
|
|
#define STRINGS_H
|
|
|
|
#include <Python.h>
|
|
#include <Python-ast.h>
|
|
#include "pegen.h"
|
|
|
|
#define EXPRLIST_N_CACHED 64
|
|
|
|
typedef struct {
|
|
/* Incrementally build an array of expr_ty, so be used in an
|
|
asdl_seq. Cache some small but reasonably sized number of
|
|
expr_ty's, and then after that start dynamically allocating,
|
|
doubling the number allocated each time. Note that the f-string
|
|
f'{0}a{1}' contains 3 expr_ty's: 2 FormattedValue's, and one
|
|
Constant for the literal 'a'. So you add expr_ty's about twice as
|
|
fast as you add expressions in an f-string. */
|
|
|
|
Py_ssize_t allocated; /* Number we've allocated. */
|
|
Py_ssize_t size; /* Number we've used. */
|
|
expr_ty *p; /* Pointer to the memory we're actually
|
|
using. Will point to 'data' until we
|
|
start dynamically allocating. */
|
|
expr_ty data[EXPRLIST_N_CACHED];
|
|
} ExprList;
|
|
|
|
/* The FstringParser is designed to add a mix of strings and
|
|
f-strings, and concat them together as needed. Ultimately, it
|
|
generates an expr_ty. */
|
|
typedef struct {
|
|
PyObject *last_str;
|
|
ExprList expr_list;
|
|
int fmode;
|
|
} FstringParser;
|
|
|
|
void _PyPegen_FstringParser_Init(FstringParser *);
|
|
int _PyPegen_parsestr(Parser *, int *, int *, PyObject **,
|
|
const char **, Py_ssize_t *, Token *);
|
|
int _PyPegen_FstringParser_ConcatFstring(Parser *, FstringParser *, const char **,
|
|
const char *, int, int, Token *, Token *,
|
|
Token *);
|
|
int _PyPegen_FstringParser_ConcatAndDel(FstringParser *, PyObject *);
|
|
expr_ty _PyPegen_FstringParser_Finish(Parser *, FstringParser *, Token *, Token *);
|
|
void _PyPegen_FstringParser_Dealloc(FstringParser *);
|
|
|
|
#endif
|