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Check for property deletion when accessing in with #1722

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Check for property deletion when accessing in with #1722

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16 changes: 14 additions & 2 deletions quickjs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -20773,9 +20773,21 @@ static JSValue JS_CallInternal(JSContext *caller_ctx, JSValueConst func_obj,
}
switch (opcode) {
case OP_with_get_var:
val = JS_GetProperty(ctx, obj, atom);
if (unlikely(JS_IsException(val)))
ret = JS_HasProperty(ctx, obj, atom);
if (unlikely(ret < 0))
goto exception;

if (ret == 0) {
if (is_strict_mode(ctx)) {
JS_ThrowReferenceErrorNotDefined(ctx, atom);
goto exception;
}
val = JS_UNDEFINED;
} else {
val = JS_GetProperty(ctx, obj, atom);
if (unlikely(JS_IsException(val)))
goto exception;
}
set_value(ctx, &sp[-1], val);
break;
case OP_with_put_var:
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2 changes: 0 additions & 2 deletions test262_errors.txt
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Expand Up @@ -45,8 +45,6 @@ test262/test/language/statements/class/elements/syntax/valid/grammar-field-named
test262/test/language/statements/class/elements/syntax/valid/grammar-field-named-set-followed-by-generator-asi.js:40: strict mode: SyntaxError: invalid property name
test262/test/language/statements/using/initializer-disposed-at-end-of-imported-module.js:11: SyntaxError: exported variable 'resource' does not exist
test262/test/language/statements/with/get-binding-value-call-with-proxy-env.js:39: Test262Error: Actual [has:Object, get:Symbol(Symbol.unscopables), get:Object] and expected [has:Object, get:Symbol(Symbol.unscopables), has:Object, get:Object] should have the same contents.
test262/test/language/statements/with/get-binding-value-idref-with-proxy-env.js:39: Test262Error: Actual [has:Object, get:Symbol(Symbol.unscopables), get:Object] and expected [has:Object, get:Symbol(Symbol.unscopables), has:Object, get:Object] should have the same contents.
test262/test/language/statements/with/get-mutable-binding-binding-deleted-in-get-unscopables-strict-mode.js:21: Test262Error: Expected a ReferenceError to be thrown but no exception was thrown at all
test262/test/language/statements/with/set-mutable-binding-binding-deleted-with-typed-array-in-proto-chain.js:20: Test262Error: Expected SameValue(«[object Object]», «undefined») to be true
test262/test/language/statements/with/set-mutable-binding-idref-compound-assign-with-proxy-env.js:58: Test262Error: Actual [has:p, get:Symbol(Symbol.unscopables), get:p, set:p, getOwnPropertyDescriptor:p, defineProperty:p] and expected [has:p, get:Symbol(Symbol.unscopables), has:p, get:p, has:p, set:p, getOwnPropertyDescriptor:p, defineProperty:p] should have the same contents.
test262/test/language/statements/with/set-mutable-binding-idref-with-proxy-env.js:50: Test262Error: Actual [has:p, get:Symbol(Symbol.unscopables), set:p, getOwnPropertyDescriptor:p, defineProperty:p] and expected [has:p, get:Symbol(Symbol.unscopables), has:p, set:p, getOwnPropertyDescriptor:p, defineProperty:p] should have the same contents.
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