codeql

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Copilot f2151fe232 Python: dispatch toString/getLocation/getEnclosingCallable per branch

Replace the three big disjunctive predicates on AstNode with empty
defaults plus per-newtype-branch override classes:

  AstNode.toString()              { none() }
  AstNode.getLocation()           { none() }
  AstNode.getEnclosingCallable()  { none() }

Six private subclasses (one per newtype branch — TStmt, TExpr,
TScope, TPattern, TBoolExprPair, TBlockStmt) override these with
the branch-specific implementation. This mirrors the per-class
dispatch already used for getChild.

No behaviour change: all 24 NewCfg evaluation-order tests pass and
all 11 shared-CFG consistency queries still report 0 violations on
CPython.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

2026-05-07 11:06:40 +00:00