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bpo-40334: Allow trailing comma in parenthesised context managers (GH-19964)

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Pablo Galindo 2020-05-06 22:54:34 +01:00 • committed by GitHub
parent 441416c9a0
commit 99db2a1db7
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3 changed files with 79 additions and 7 deletions
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16
Parser/pegen/parse.c
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@ -3031,9 +3031,9 @@ for_stmt_rule(Parser *p)
}
// with_stmt:
// | 'with' '(' ','.with_item+ ')' ':' block
// | 'with' '(' ','.with_item+ ','? ')' ':' block
// | 'with' ','.with_item+ ':' TYPE_COMMENT? block
// | ASYNC 'with' '(' ','.with_item+ ')' ':' block
// | ASYNC 'with' '(' ','.with_item+ ','? ')' ':' block
// | ASYNC 'with' ','.with_item+ ':' TYPE_COMMENT? block
static stmt_ty
with_stmt_rule(Parser *p)
@ -3051,13 +3051,15 @@ with_stmt_rule(Parser *p)
UNUSED(start_lineno); // Only used by EXTRA macro
int start_col_offset = p->tokens[mark]->col_offset;
UNUSED(start_col_offset); // Only used by EXTRA macro
{ // 'with' '(' ','.with_item+ ')' ':' block
{ // 'with' '(' ','.with_item+ ','? ')' ':' block
asdl_seq * a;
asdl_seq* b;
Token * keyword;
Token * literal;
Token * literal_1;
Token * literal_2;
void *opt_var;
UNUSED(opt_var); // Silence compiler warnings
if (
(keyword = _PyPegen_expect_token(p, 519))
&&
@ -3065,6 +3067,8 @@ with_stmt_rule(Parser *p)
&&
(a = _gather_38_rule(p))
&&
(opt_var = _PyPegen_expect_token(p, 12), 1)
&&
(literal_1 = _PyPegen_expect_token(p, 8))
&&
(literal_2 = _PyPegen_expect_token(p, 11))
@ -3124,7 +3128,7 @@ with_stmt_rule(Parser *p)
}
p->mark = mark;
}
{ // ASYNC 'with' '(' ','.with_item+ ')' ':' block
{ // ASYNC 'with' '(' ','.with_item+ ','? ')' ':' block
asdl_seq * a;
Token * async_var;
asdl_seq* b;
@ -3132,6 +3136,8 @@ with_stmt_rule(Parser *p)
Token * literal;
Token * literal_1;
Token * literal_2;
void *opt_var;
UNUSED(opt_var); // Silence compiler warnings
if (
(async_var = _PyPegen_expect_token(p, ASYNC))
&&
@ -3141,6 +3147,8 @@ with_stmt_rule(Parser *p)
&&
(a = _gather_42_rule(p))
&&
(opt_var = _PyPegen_expect_token(p, 12), 1)
&&
(literal_1 = _PyPegen_expect_token(p, 8))
&&
(literal_2 = _PyPegen_expect_token(p, 11))