In the FullCodeGenerator, we compile the true subexpression of a
conditional (ternary) expression in the inherited context of the
entire expression. This is correct for effect and value contexts, but
not for test contexts where the context includes a possible
fall-through label.
Review URL: http://codereview.chromium.org/3621013
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5607
ce2b1a6d-e550-0410-aec6-
3dcde31c8c00
__ bind(&true_case);
SetExpressionPosition(expr->then_expression(),
expr->then_expression_position());
- Visit(expr->then_expression());
- // If control flow falls through Visit, jump to done.
- if (!context()->IsTest()) {
+ if (context()->IsTest()) {
+ const TestContext* for_test = TestContext::cast(context());
+ VisitForControl(expr->then_expression(),
+ for_test->true_label(),
+ for_test->false_label(),
+ NULL);
+ } else {
+ Visit(expr->then_expression());
__ jmp(&done);
}
false_label_(false_label),
fall_through_(fall_through) { }
+ static const TestContext* cast(const ExpressionContext* context) {
+ ASSERT(context->IsTest());
+ return reinterpret_cast<const TestContext*>(context);
+ }
+
+ Label* true_label() const { return true_label_; }
+ Label* false_label() const { return false_label_; }
+ Label* fall_through() const { return fall_through_; }
+
virtual void Plug(bool flag) const;
virtual void Plug(Register reg) const;
virtual void Plug(Label* materialize_true, Label* materialize_false) const;