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Python: nice locations for import aliases

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These were computed wrongly before.
This commit is contained in:
Rasmus Lerchedahl Petersen
2023-08-10 20:27:06 +02:00
parent eac44e89d9
commit e5cd3e8f64
2 changed files with 8 additions and 5 deletions
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11
python/ql/lib/analysis/DefinitionTracking.qll
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@@ -492,9 +492,14 @@ class NiceLocationExpr extends Expr {
// for `import xxx` or for `import xxx as yyy`.
this.(ImportExpr).getLocation().hasLocationInfo(f, bl, bc, el, ec)
or
/* Show y for `y` in `from xxx import y` */
exists(string name |
name = this.(ImportMember).getName() and
// Show y for `y` in `from xxx import y`
// and y for `yyy as y` in `from xxx import yyy as y`.
exists(string name, Alias alias |
// This alias will always exist, as `from xxx import y`
// is expanded to `from xxx imprt y as y`.
this = alias.getValue() and
name = alias.getAsname().(Name).getId()
|
this.(ImportMember).getLocation().hasLocationInfo(f, _, _, el, ec) and
bl = el and
bc = ec - name.length() + 1