fix Go-to-def fails on unreachable branches #1254 #1523
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grievejia
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Nov 11, 2025
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| /// Synthesize a static definition entry for `name` in the current scope if it | ||
| /// is missing. This is used when we deliberately analyze unreachable code for | ||
| /// IDE metadata; those code paths may not have been included in the up-front | ||
| /// static scan, so we add a lightweight placeholder on demand. | ||
| pub fn add_synthetic_definition(&mut self, name: &Name, range: TextRange) { |
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This feels a bit complicated to me. I wonder if a better alternative would be to just keep all defs in the very beginning when they are calculated, recording their unreachable status so downstream type checking logic would avoid emitting type errors for those instead.
asukaminato0721
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fix #1254
Added a suppression stack so binding code can execute unreachable branches without emitting type errors and exposed a helper to gate this behavior to filesystem/memory modules only, skipping
builtins/__builtins__.Updated the if binding logic to analyze statically false branches only when the new gate allows it, then discard their flow so control-flow facts stay unchanged while IDE features (like go-to-def) gain the needed Keys.