KarpelesLab / goro / 25757421794

13%

Build Type

push

github

Committed by MagicalTux

Commit Message

vm: match expressions and switch statements via AST delegation

match (…) { … } and switch (…) { … } both contain complex flow that's
not worth re-deriving piecewise:

* match needs PHP 8 strict-comparison semantics, comma-separated arm
  conditions, and the UnhandledMatchError throw on no-default miss.
* switch needs fall-through, case-list grouping, and the PHP quirk
  that \`continue\` in a switch acts as \`break\`.

Both AST-delegate: match via OpClassConst (push result), switch via
OpTryFinally (void) + OP_REFRESH_SLOTS. Return inside an AST-delegated
switch propagates through OpTryFinally's error re-raise. IsSlotSafe
flags bodies containing either so the hashtable stays authoritative.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

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