Language: Default parameter values and optional arguments (#196)#232
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Compile defaultVar literals into TYPE_ARG_RECV, apply them when callers omit arguments, and pad JIT native calls with compile-time defaults. Add php-cfg/php-types patches so untyped default parameters work on PHP 8.2 (Mixed reserved name). Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
defaultVarliterals intoTYPE_ARG_RECVand applying them when callers omit arguments.Nativecalls with compile-time default values for omitted trailing parameters.php-cfg-mixed-reserved,php-types-mixed-reserved) so untyped defaults work on PHP 8.2 whereMixedis a reserved class name.Test plan
test/compliance/cases/language/default_params.phpt(VM)test/compliance/cases/language/default_params_jit.phpt(JIT, requires LLVM)phpunit test/compliance/VMTest.php)Closes #196
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