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[3.9] bpo-41132: Use pymalloc allocator in the f-string parser (GH-21173) (GH-21183)

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(cherry picked from commit 6dcbc2422d)

Automerge-Triggered-By: @pablogsal
This commit is contained in:
Lysandros Nikolaou 2020-06-27 21:35:18 +03:00 • committed by GitHub
parent 9191eacf9e
commit 5193d0a665
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 14 additions and 14 deletions
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14
Parser/pegen/parse_string.c
View file

@ -597,7 +597,7 @@ fstring_compile_expr(Parser *p, const char *expr_start, const char *expr_end,
len = expr_end - expr_start; len = expr_end - expr_start;
/* Allocate 3 extra bytes: open paren, close paren, null byte. */ /* Allocate 3 extra bytes: open paren, close paren, null byte. */
str = PyMem_RawMalloc(len + 3); str = PyMem_Malloc(len + 3);
if (str == NULL) { if (str == NULL) {
PyErr_NoMemory(); PyErr_NoMemory();
return NULL; return NULL;
@ -610,7 +610,7 @@ fstring_compile_expr(Parser *p, const char *expr_start, const char *expr_end,
struct tok_state* tok = PyTokenizer_FromString(str, 1); struct tok_state* tok = PyTokenizer_FromString(str, 1);
if (tok == NULL) { if (tok == NULL) {
PyMem_RawFree(str); PyMem_Free(str);
return NULL; return NULL;
} }
Py_INCREF(p->tok->filename); Py_INCREF(p->tok->filename);
@ -636,7 +636,7 @@ fstring_compile_expr(Parser *p, const char *expr_start, const char *expr_end,
result = expr; result = expr;
exit: exit:
PyMem_RawFree(str); PyMem_Free(str);
_PyPegen_Parser_Free(p2); _PyPegen_Parser_Free(p2);
PyTokenizer_Free(tok); PyTokenizer_Free(tok);
return result; return result;
@ -1148,7 +1148,7 @@ ExprList_Append(ExprList *l, expr_ty exp)
Py_ssize_t i; Py_ssize_t i;
/* We're still using the cached data. Switch to /* We're still using the cached data. Switch to
alloc-ing. */ alloc-ing. */
l->p = PyMem_RawMalloc(sizeof(expr_ty) * new_size); l->p = PyMem_Malloc(sizeof(expr_ty) * new_size);
if (!l->p) { if (!l->p) {
return -1; return -1;
} }
@ -1158,9 +1158,9 @@ ExprList_Append(ExprList *l, expr_ty exp)
} }
} else { } else {
/* Just realloc. */ /* Just realloc. */
expr_ty *tmp = PyMem_RawRealloc(l->p, sizeof(expr_ty) * new_size); expr_ty *tmp = PyMem_Realloc(l->p, sizeof(expr_ty) * new_size);
if (!tmp) { if (!tmp) {
PyMem_RawFree(l->p); PyMem_Free(l->p);
l->p = NULL; l->p = NULL;
return -1; return -1;
} }
@ -1188,7 +1188,7 @@ ExprList_Dealloc(ExprList *l)
/* Do nothing. */ /* Do nothing. */
} else { } else {
/* We have dynamically allocated. Free the memory. */ /* We have dynamically allocated. Free the memory. */
PyMem_RawFree(l->p); PyMem_Free(l->p);
} }
l->p = NULL; l->p = NULL;
l->size = -1; l->size = -1;

14
Python/ast.c
View file

@ -4765,7 +4765,7 @@ fstring_compile_expr(const char *expr_start, const char *expr_end,
len = expr_end - expr_start; len = expr_end - expr_start;
/* Allocate 3 extra bytes: open paren, close paren, null byte. */ /* Allocate 3 extra bytes: open paren, close paren, null byte. */
str = PyMem_RawMalloc(len + 3); str = PyMem_Malloc(len + 3);
if (str == NULL) { if (str == NULL) {
PyErr_NoMemory(); PyErr_NoMemory();
return NULL; return NULL;
@ -4781,7 +4781,7 @@ fstring_compile_expr(const char *expr_start, const char *expr_end,
mod_n = PyParser_SimpleParseStringFlagsFilename(str, "<fstring>", mod_n = PyParser_SimpleParseStringFlagsFilename(str, "<fstring>",
Py_eval_input, 0); Py_eval_input, 0);
if (!mod_n) { if (!mod_n) {
PyMem_RawFree(str); PyMem_Free(str);
return NULL; return NULL;
} }
/* Reuse str to find the correct column offset. */ /* Reuse str to find the correct column offset. */
@ -4789,7 +4789,7 @@ fstring_compile_expr(const char *expr_start, const char *expr_end,
str[len+1] = '}'; str[len+1] = '}';
fstring_fix_node_location(n, mod_n, str); fstring_fix_node_location(n, mod_n, str);
mod = PyAST_FromNode(mod_n, &cf, "<fstring>", c->c_arena); mod = PyAST_FromNode(mod_n, &cf, "<fstring>", c->c_arena);
PyMem_RawFree(str); PyMem_Free(str);
PyNode_Free(mod_n); PyNode_Free(mod_n);
if (!mod) if (!mod)
return NULL; return NULL;
@ -5305,7 +5305,7 @@ ExprList_Append(ExprList *l, expr_ty exp)
Py_ssize_t i; Py_ssize_t i;
/* We're still using the cached data. Switch to /* We're still using the cached data. Switch to
alloc-ing. */ alloc-ing. */
l->p = PyMem_RawMalloc(sizeof(expr_ty) * new_size); l->p = PyMem_Malloc(sizeof(expr_ty) * new_size);
if (!l->p) if (!l->p)
return -1; return -1;
/* Copy the cached data into the new buffer. */ /* Copy the cached data into the new buffer. */
@ -5313,9 +5313,9 @@ ExprList_Append(ExprList *l, expr_ty exp)
l->p[i] = l->data[i]; l->p[i] = l->data[i];
} else { } else {
/* Just realloc. */ /* Just realloc. */
expr_ty *tmp = PyMem_RawRealloc(l->p, sizeof(expr_ty) * new_size); expr_ty *tmp = PyMem_Realloc(l->p, sizeof(expr_ty) * new_size);
if (!tmp) { if (!tmp) {
PyMem_RawFree(l->p); PyMem_Free(l->p);
l->p = NULL; l->p = NULL;
return -1; return -1;
} }
@ -5343,7 +5343,7 @@ ExprList_Dealloc(ExprList *l)
/* Do nothing. */ /* Do nothing. */
} else { } else {
/* We have dynamically allocated. Free the memory. */ /* We have dynamically allocated. Free the memory. */
PyMem_RawFree(l->p); PyMem_Free(l->p);
} }
l->p = NULL; l->p = NULL;
l->size = -1; l->size = -1;