Parse foo["bar"] as a member expression

Change-Id: I9295ca7957783ed85c07e1522d05e300781361e3
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/qml/compiler/qv4codegen.cpp b/src/qml/compiler/qv4codegen.cpp
index d30fa40e7f..38a8678f0f 100644
--- a/src/qml/compiler/qv4codegen.cpp
+++ b/src/qml/compiler/qv4codegen.cpp
@@ -635,6 +635,17 @@ bool Codegen::visit(ArrayMemberExpression *ast)
     if (hasError)
         return false;
     base = base.storeOnStack();
+    if (AST::StringLiteral *str = AST::cast<AST::StringLiteral *>(ast->expression)) {
+        QString s = str->value.toString();
+        uint arrayIndex = QV4::String::toArrayIndex(s);
+        if (arrayIndex == UINT_MAX) {
+            _expr.setResult(Reference::fromMember(base, str->value.toString()));
+            return false;
+        }
+        Reference index = Reference::fromConst(this, QV4::Encode(arrayIndex));
+        _expr.setResult(Reference::fromSubscript(base, index));
+        return false;
+    }
     Reference index = expression(ast->expression);
     _expr.setResult(Reference::fromSubscript(base, index));
     return false;