diff options
| author | Ulf Hermann <ulf.hermann@qt.io> | 2022-11-11 18:03:36 +0100 |
|---|---|---|
| committer | Ulf Hermann <ulf.hermann@qt.io> | 2022-11-15 08:32:27 +0100 |
| commit | 1166ebf3e9493b0be7e72aaeb72362ec666bc8d6 (patch) | |
| tree | 14bf43f238174239b0a4a1587d59fb8fa48d0992 /src/qml/compiler/qv4codegen_p.h | |
| parent | 72462f6f96018c6cf8bc18194b74b43f43418c0a (diff) | |
QML: Require TDZ checks variables declared in case blocks
... and check the tdz only once on function calls.
Task-number: QTBUG-108362
Change-Id: I534e2604fb68b3b9145b7b7dd003e988e9df17d0
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Diffstat (limited to 'src/qml/compiler/qv4codegen_p.h')
| -rw-r--r-- | src/qml/compiler/qv4codegen_p.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/qml/compiler/qv4codegen_p.h b/src/qml/compiler/qv4codegen_p.h index 85a68f5e85..16609c2fa1 100644 --- a/src/qml/compiler/qv4codegen_p.h +++ b/src/qml/compiler/qv4codegen_p.h @@ -330,6 +330,14 @@ public: return theStackSlot; } + void tdzCheck() const + { + if (isAccumulator()) + tdzCheck(requiresTDZCheck, throwsReferenceError); + else if (isStackSlot()) + tdzCheckStackSlot(stackSlot(), requiresTDZCheck, throwsReferenceError); + } + union { Moth::StackSlot theStackSlot; QV4::ReturnedValue constant; @@ -370,6 +378,9 @@ public: private: void storeAccumulator() const; Reference doStoreOnStack(int tempIndex) const; + void tdzCheck(bool requiresCheck, bool throwsReferenceError) const; + void tdzCheckStackSlot( + Moth::StackSlot slot, bool requiresCheck, bool throwsReferenceError) const; }; struct RegisterScope { |