3241d922fc
To support recovery of malformed binding property names like `([a)`, `[a`, or `()`, the binding parser needs to be more permissive w.r.t. the kinds of bindings it can detect. This is difficult to do maintainably with a regex, but is trivial with a "hand-rolled" string parser. This commit refactors render3's binding attribute parsing to use this method for multi-delimited bindings (namely via the `()`, `[]`, and `[()]`) syntax, making the way recovery of malformed bindings in a future patch. Note that we can keep using a regex for prefix-only binding syntax (e.g. `bind-`, `ref-`) because validation of the binding is complete once we have matched the prefix, and the only thing left to do is check that the binding identifier is non-empty, which is trivial. Part of #38596 PR Close #39375
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