pythongh-129157: Change the location of with statement AST nodes to spawn the first line

Signed-off-by: Pablo Galindo <[email protected]>

Author: pablogsal

Grammar/python.gram

@@ -394,14 +394,14 @@ for_stmt[stmt_ty]:
 
 with_stmt[stmt_ty]:
     | invalid_with_stmt_indent
-    | 'with' '(' a[asdl_withitem_seq*]=','.with_item+ ','? ')' ':' tc=[TYPE_COMMENT] b=block {
-       _PyAST_With(a, b, NEW_TYPE_COMMENT(p, tc), EXTRA) }
-    | 'with' a[asdl_withitem_seq*]=','.with_item+ ':' tc=[TYPE_COMMENT] b=block {
-        _PyAST_With(a, b, NEW_TYPE_COMMENT(p, tc), EXTRA) }
-    | 'async' 'with' '(' a[asdl_withitem_seq*]=','.with_item+ ','? ')' ':' b=block {
-       CHECK_VERSION(stmt_ty, 5, "Async with statements are", _PyAST_AsyncWith(a, b, NULL, EXTRA)) }
-    | 'async' 'with' a[asdl_withitem_seq*]=','.with_item+ ':' tc=[TYPE_COMMENT] b=block {
-       CHECK_VERSION(stmt_ty, 5, "Async with statements are", _PyAST_AsyncWith(a, b, NEW_TYPE_COMMENT(p, tc), EXTRA)) }
+    | start='with' '(' a[asdl_withitem_seq*]=','.with_item+ ','? ')' end=':' tc=[TYPE_COMMENT] b=block {
+       _PyAST_With(a, b, NEW_TYPE_COMMENT(p, tc), EXTRA_EXPR(start, end)) }
+    | start='with' a[asdl_withitem_seq*]=','.with_item+ end=':' tc=[TYPE_COMMENT] b=block {
+        _PyAST_With(a, b, NEW_TYPE_COMMENT(p, tc), EXTRA_EXPR(start, end)) }
+    | start='async' 'with' '(' a[asdl_withitem_seq*]=','.with_item+ ','? ')' end=':' b=block {
+       CHECK_VERSION(stmt_ty, 5, "Async with statements are", _PyAST_AsyncWith(a, b, NULL, EXTRA_EXPR(start, end))) }
+    | start='async' 'with' a[asdl_withitem_seq*]=','.with_item+ end=':' tc=[TYPE_COMMENT] b=block {
+       CHECK_VERSION(stmt_ty, 5, "Async with statements are", _PyAST_AsyncWith(a, b, NEW_TYPE_COMMENT(p, tc), EXTRA_EXPR(start, end))) }
     | invalid_with_stmt
 
 with_item[withitem_ty]:

Lib/test/test_ast/snippets.py

@@ -434,12 +434,12 @@ def main():
 ('Module', [('If', (1, 0, 4, 6), ('Name', (1, 3, 1, 4), 'a', ('Load',)), [('Pass', (2, 2, 2, 6))], [('Pass', (4, 2, 4, 6))])], []),
 ('Module', [('If', (1, 0, 6, 6), ('Name', (1, 3, 1, 4), 'a', ('Load',)), [('Pass', (2, 2, 2, 6))], [('If', (3, 0, 6, 6), ('Name', (3, 5, 3, 6), 'b', ('Load',)), [('Pass', (4, 2, 4, 6))], [('Pass', (6, 2, 6, 6))])])], []),
 ('Module', [('If', (1, 0, 10, 6), ('Name', (1, 3, 1, 4), 'a', ('Load',)), [('Pass', (2, 2, 2, 6))], [('If', (3, 0, 10, 6), ('Name', (3, 5, 3, 6), 'b', ('Load',)), [('Pass', (4, 2, 4, 6))], [('If', (5, 0, 10, 6), ('Name', (5, 5, 5, 6), 'b', ('Load',)), [('Pass', (6, 2, 6, 6))], [('If', (7, 0, 10, 6), ('Name', (7, 5, 7, 6), 'b', ('Load',)), [('Pass', (8, 2, 8, 6))], [('Pass', (10, 2, 10, 6))])])])])], []),
-('Module', [('With', (1, 0, 1, 12), [('withitem', ('Name', (1, 5, 1, 6), 'x', ('Load',)), None)], [('Pass', (1, 8, 1, 12))], None)], []),
-('Module', [('With', (1, 0, 1, 15), [('withitem', ('Name', (1, 5, 1, 6), 'x', ('Load',)), None), ('withitem', ('Name', (1, 8, 1, 9), 'y', ('Load',)), None)], [('Pass', (1, 11, 1, 15))], None)], []),
-('Module', [('With', (1, 0, 1, 17), [('withitem', ('Name', (1, 5, 1, 6), 'x', ('Load',)), ('Name', (1, 10, 1, 11), 'y', ('Store',)))], [('Pass', (1, 13, 1, 17))], None)], []),
-('Module', [('With', (1, 0, 1, 25), [('withitem', ('Name', (1, 5, 1, 6), 'x', ('Load',)), ('Name', (1, 10, 1, 11), 'y', ('Store',))), ('withitem', ('Name', (1, 13, 1, 14), 'z', ('Load',)), ('Name', (1, 18, 1, 19), 'q', ('Store',)))], [('Pass', (1, 21, 1, 25))], None)], []),
-('Module', [('With', (1, 0, 1, 19), [('withitem', ('Name', (1, 6, 1, 7), 'x', ('Load',)), ('Name', (1, 11, 1, 12), 'y', ('Store',)))], [('Pass', (1, 15, 1, 19))], None)], []),
-('Module', [('With', (1, 0, 1, 17), [('withitem', ('Name', (1, 6, 1, 7), 'x', ('Load',)), None), ('withitem', ('Name', (1, 9, 1, 10), 'y', ('Load',)), None)], [('Pass', (1, 13, 1, 17))], None)], []),
+('Module', [('With', (1, 0, 1, 7), [('withitem', ('Name', (1, 5, 1, 6), 'x', ('Load',)), None)], [('Pass', (1, 8, 1, 12))], None)], []),
+('Module', [('With', (1, 0, 1, 10), [('withitem', ('Name', (1, 5, 1, 6), 'x', ('Load',)), None), ('withitem', ('Name', (1, 8, 1, 9), 'y', ('Load',)), None)], [('Pass', (1, 11, 1, 15))], None)], []),
+('Module', [('With', (1, 0, 1, 12), [('withitem', ('Name', (1, 5, 1, 6), 'x', ('Load',)), ('Name', (1, 10, 1, 11), 'y', ('Store',)))], [('Pass', (1, 13, 1, 17))], None)], []),
+('Module', [('With', (1, 0, 1, 20), [('withitem', ('Name', (1, 5, 1, 6), 'x', ('Load',)), ('Name', (1, 10, 1, 11), 'y', ('Store',))), ('withitem', ('Name', (1, 13, 1, 14), 'z', ('Load',)), ('Name', (1, 18, 1, 19), 'q', ('Store',)))], [('Pass', (1, 21, 1, 25))], None)], []),
+('Module', [('With', (1, 0, 1, 14), [('withitem', ('Name', (1, 6, 1, 7), 'x', ('Load',)), ('Name', (1, 11, 1, 12), 'y', ('Store',)))], [('Pass', (1, 15, 1, 19))], None)], []),
+('Module', [('With', (1, 0, 1, 12), [('withitem', ('Name', (1, 6, 1, 7), 'x', ('Load',)), None), ('withitem', ('Name', (1, 9, 1, 10), 'y', ('Load',)), None)], [('Pass', (1, 13, 1, 17))], None)], []),
 ('Module', [('Raise', (1, 0, 1, 5), None, None)], []),
 ('Module', [('Raise', (1, 0, 1, 25), ('Call', (1, 6, 1, 25), ('Name', (1, 6, 1, 15), 'Exception', ('Load',)), [('Constant', (1, 16, 1, 24), 'string', None)], []), None)], []),
 ('Module', [('Raise', (1, 0, 1, 15), ('Name', (1, 6, 1, 15), 'Exception', ('Load',)), None)], []),
@@ -473,7 +473,7 @@ def main():
 ('Module', [('Expr', (1, 0, 1, 16), ('SetComp', (1, 0, 1, 16), ('Name', (1, 1, 1, 2), 'r', ('Load',)), [('comprehension', ('Tuple', (1, 7, 1, 10), [('Name', (1, 7, 1, 8), 'l', ('Store',)), ('Name', (1, 9, 1, 10), 'm', ('Store',))], ('Store',)), ('Name', (1, 14, 1, 15), 'x', ('Load',)), [], 0)]))], []),
 ('Module', [('AsyncFunctionDef', (1, 0, 3, 18), 'f', ('arguments', [], [], None, [], [], None, []), [('Expr', (2, 1, 2, 17), ('Constant', (2, 1, 2, 17), 'async function', None)), ('Expr', (3, 1, 3, 18), ('Await', (3, 1, 3, 18), ('Call', (3, 7, 3, 18), ('Name', (3, 7, 3, 16), 'something', ('Load',)), [], [])))], [], None, None, [])], []),
 ('Module', [('AsyncFunctionDef', (1, 0, 3, 8), 'f', ('arguments', [], [], None, [], [], None, []), [('AsyncFor', (2, 1, 3, 8), ('Name', (2, 11, 2, 12), 'e', ('Store',)), ('Name', (2, 16, 2, 17), 'i', ('Load',)), [('Expr', (2, 19, 2, 20), ('Constant', (2, 19, 2, 20), 1, None))], [('Expr', (3, 7, 3, 8), ('Constant', (3, 7, 3, 8), 2, None))], None)], [], None, None, [])], []),
-('Module', [('AsyncFunctionDef', (1, 0, 2, 21), 'f', ('arguments', [], [], None, [], [], None, []), [('AsyncWith', (2, 1, 2, 21), [('withitem', ('Name', (2, 12, 2, 13), 'a', ('Load',)), ('Name', (2, 17, 2, 18), 'b', ('Store',)))], [('Expr', (2, 20, 2, 21), ('Constant', (2, 20, 2, 21), 1, None))], None)], [], None, None, [])], []),
+('Module', [('AsyncFunctionDef', (1, 0, 2, 21), 'f', ('arguments', [], [], None, [], [], None, []), [('AsyncWith', (2, 1, 2, 19), [('withitem', ('Name', (2, 12, 2, 13), 'a', ('Load',)), ('Name', (2, 17, 2, 18), 'b', ('Store',)))], [('Expr', (2, 20, 2, 21), ('Constant', (2, 20, 2, 21), 1, None))], None)], [], None, None, [])], []),
 ('Module', [('Expr', (1, 0, 1, 14), ('Dict', (1, 0, 1, 14), [None, ('Constant', (1, 10, 1, 11), 2, None)], [('Dict', (1, 3, 1, 8), [('Constant', (1, 4, 1, 5), 1, None)], [('Constant', (1, 6, 1, 7), 2, None)]), ('Constant', (1, 12, 1, 13), 3, None)]))], []),
 ('Module', [('Expr', (1, 0, 1, 12), ('Set', (1, 0, 1, 12), [('Starred', (1, 1, 1, 8), ('Set', (1, 2, 1, 8), [('Constant', (1, 3, 1, 4), 1, None), ('Constant', (1, 6, 1, 7), 2, None)]), ('Load',)), ('Constant', (1, 10, 1, 11), 3, None)]))], []),
 ('Module', [('FunctionDef', (1, 0, 1, 16), 'f', ('arguments', [], [], None, [], [], None, []), [('Expr', (1, 9, 1, 16), ('Yield', (1, 9, 1, 16), ('Constant', (1, 15, 1, 16), 1, None)))], [], None, None, [])], []),
@@ -598,4 +598,4 @@ def main():
 ('Expression', ('JoinedStr', (1, 0, 1, 8), [('FormattedValue', (1, 2, 1, 7), ('Name', (1, 3, 1, 4), 'a', ('Load',)), 114, None)])),
 ('Expression', ('JoinedStr', (1, 0, 1, 11), [('Constant', (1, 2, 1, 6), 'foo(', None), ('FormattedValue', (1, 6, 1, 9), ('Name', (1, 7, 1, 8), 'a', ('Load',)), -1, None), ('Constant', (1, 9, 1, 10), ')', None)])),
 ]
-main()
+main()