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[3.13] gh-130775: Allow negative locations in ast (GH-130795) (#132243)

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(cherry picked from commit bc5233b6a5)

Co-authored-by: Victor Stinner <vstinner@python.org>
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sobolevn 2025-04-08 11:47:24 +03:00 • committed by GitHub
parent ed28f2f42a
commit 7a8364460d
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3 changed files with 23 additions and 4 deletions
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6
Python/assemble.c
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@ -290,17 +290,15 @@ write_location_info_entry(struct assembler* a, location loc, int isize)
assert(len > THEORETICAL_MAX_ENTRY_SIZE);
RETURN_IF_ERROR(_PyBytes_Resize(&a->a_linetable, len*2));
}
if (loc.lineno < 0) {
if (loc.lineno == NO_LOCATION.lineno) {
write_location_info_none(a, isize);
return SUCCESS;
}
int line_delta = loc.lineno - a->a_lineno;
int column = loc.col_offset;
int end_column = loc.end_col_offset;
assert(column >= -1);
assert(end_column >= -1);
if (column < 0 || end_column < 0) {
if (loc.end_lineno == loc.lineno || loc.end_lineno == -1) {
if (loc.end_lineno == loc.lineno || loc.end_lineno < 0) {
write_location_info_no_column(a, isize, line_delta);
a->a_lineno = loc.lineno;
return SUCCESS;