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LibJS: Allow member expressions in binding patterns

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Also allows literal string and numbers as property names in object
binding patterns.
This commit is contained in:
davidot 2021-09-18 01:11:32 +02:00 • committed by Linus Groh
parent 9cb5700398
commit bfc1b4ba61
6 changed files with 177 additions and 77 deletions
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3
Userland/Libraries/LibJS/AST.h
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@ -27,6 +27,7 @@ namespace JS {
class VariableDeclaration;
class FunctionDeclaration;
class Identifier;
class MemberExpression;
enum class FunctionKind {
Generator,
@ -319,7 +320,7 @@ struct BindingPattern : RefCounted<BindingPattern> {
struct BindingEntry {
// If this entry represents a BindingElement, then name will be Empty
Variant<NonnullRefPtr<Identifier>, NonnullRefPtr<Expression>, Empty> name {};
Variant<NonnullRefPtr<Identifier>, NonnullRefPtr<BindingPattern>, Empty> alias {};
Variant<NonnullRefPtr<Identifier>, NonnullRefPtr<BindingPattern>, NonnullRefPtr<MemberExpression>, Empty> alias {};
RefPtr<Expression> initializer {};
bool is_rest { false };