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bpo-18374: fix wrong col_offset of some ast.BinOp instances (GH-14607)

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Nested BinOp instances (e.g. a+b+c) had a wrong col_offset for the
second BinOp (e.g. 2 instead of 0 in the example). Fix it by using the
correct st node to copy the line and col_offset from in ast.c.
This commit is contained in:
Carl Friedrich Bolz-Tereick 2019-07-08 23:17:56 +02:00 • committed by Ivan Levkivskyi
parent 66b4150f6f
commit 110a47c4f4
4 changed files with 34 additions and 1 deletions
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2
Python/ast.c
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@ -2645,7 +2645,7 @@ ast_for_binop(struct compiling *c, const node *n)
return NULL;
tmp_result = BinOp(result, newoperator, tmp,
LINENO(next_oper), next_oper->n_col_offset,
LINENO(n), n->n_col_offset,
CHILD(n, i * 2 + 2)->n_end_lineno,
CHILD(n, i * 2 + 2)->n_end_col_offset,
c->c_arena);