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bpo-40521: Make empty Unicode string per interpreter (GH-21096)

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Each interpreter now has its own empty Unicode string singleton.
This commit is contained in:
Victor Stinner 2020-06-24 00:10:40 +02:00 • committed by GitHub
parent d051801052
commit f363d0a6e9
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 130 additions and 90 deletions
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1
Objects/stringlib/asciilib.h
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@ -11,7 +11,6 @@
#define STRINGLIB_CHAR Py_UCS1
#define STRINGLIB_TYPE_NAME "unicode"
#define STRINGLIB_PARSE_CODE "U"
#define STRINGLIB_GET_EMPTY() unicode_empty
#define STRINGLIB_ISSPACE Py_UNICODE_ISSPACE
#define STRINGLIB_ISLINEBREAK BLOOM_LINEBREAK
#define STRINGLIB_ISDECIMAL Py_UNICODE_ISDECIMAL

7
Objects/stringlib/partition.h
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@ -1,9 +1,14 @@
/* stringlib: partition implementation */
#ifndef STRINGLIB_FASTSEARCH_H
#error must include "stringlib/fastsearch.h" before including this module
# error must include "stringlib/fastsearch.h" before including this module
#endif
#if !STRINGLIB_MUTABLE && !defined(STRINGLIB_GET_EMPTY)
# error "STRINGLIB_GET_EMPTY must be defined if STRINGLIB_MUTABLE is zero"
#endif
Py_LOCAL_INLINE(PyObject*)
STRINGLIB(partition)(PyObject* str_obj,
const STRINGLIB_CHAR* str, Py_ssize_t str_len,

4
Objects/stringlib/stringdefs.h
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@ -1,10 +1,6 @@
#ifndef STRINGLIB_STRINGDEFS_H
#define STRINGLIB_STRINGDEFS_H
#ifndef STRINGLIB_GET_EMPTY
# error "STRINGLIB_GET_EMPTY macro must be defined"
#endif
/* this is sort of a hack. there's at least one place (formatting
floats) where some stringlib code takes a different path if it's
compiled as unicode. */

1
Objects/stringlib/ucs1lib.h
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@ -11,7 +11,6 @@
#define STRINGLIB_CHAR Py_UCS1
#define STRINGLIB_TYPE_NAME "unicode"
#define STRINGLIB_PARSE_CODE "U"
#define STRINGLIB_GET_EMPTY() unicode_empty
#define STRINGLIB_ISSPACE Py_UNICODE_ISSPACE
#define STRINGLIB_ISLINEBREAK BLOOM_LINEBREAK
#define STRINGLIB_ISDECIMAL Py_UNICODE_ISDECIMAL

1
Objects/stringlib/ucs2lib.h
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@ -11,7 +11,6 @@
#define STRINGLIB_CHAR Py_UCS2
#define STRINGLIB_TYPE_NAME "unicode"
#define STRINGLIB_PARSE_CODE "U"
#define STRINGLIB_GET_EMPTY() unicode_empty
#define STRINGLIB_ISSPACE Py_UNICODE_ISSPACE
#define STRINGLIB_ISLINEBREAK BLOOM_LINEBREAK
#define STRINGLIB_ISDECIMAL Py_UNICODE_ISDECIMAL

1
Objects/stringlib/ucs4lib.h
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@ -11,7 +11,6 @@
#define STRINGLIB_CHAR Py_UCS4
#define STRINGLIB_TYPE_NAME "unicode"
#define STRINGLIB_PARSE_CODE "U"
#define STRINGLIB_GET_EMPTY() unicode_empty
#define STRINGLIB_ISSPACE Py_UNICODE_ISSPACE
#define STRINGLIB_ISLINEBREAK BLOOM_LINEBREAK
#define STRINGLIB_ISDECIMAL Py_UNICODE_ISDECIMAL

1
Objects/stringlib/unicodedefs.h
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@ -13,7 +13,6 @@
#define STRINGLIB_CHAR Py_UNICODE
#define STRINGLIB_TYPE_NAME "unicode"
#define STRINGLIB_PARSE_CODE "U"
#define STRINGLIB_GET_EMPTY() unicode_empty
#define STRINGLIB_ISSPACE Py_UNICODE_ISSPACE
#define STRINGLIB_ISLINEBREAK BLOOM_LINEBREAK
#define STRINGLIB_ISDECIMAL Py_UNICODE_ISDECIMAL