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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.
(cherry picked from commit 110a47c4f4)

Co-authored-by: Carl Friedrich Bolz-Tereick <cfbolz@gmx.de>
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Miss Islington (bot) 2019-07-08 14:41:34 -07:00 • committed by GitHub
parent 54348f46f8
commit c7be35c2ab
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4 changed files with 34 additions and 1 deletions
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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);