Index: src/parser.cc |
diff --git a/src/parser.cc b/src/parser.cc |
index dac59b7d4437ee5fd406740cf7023277dfecd0f6..61c169965d48378954a2fc30d7d91f93936ebb41 100644 |
--- a/src/parser.cc |
+++ b/src/parser.cc |
@@ -3607,10 +3607,26 @@ Expression* Parser::DesugarDestructuringAssignment(Expression* expr) { |
// TODO(caitp): implement the desugaring |
DCHECK(expr->IsAssignment()); |
Assignment* assign = expr->AsAssignment(); |
- while (assign->value()->IsAssignment()) { |
- assign = assign->value()->AsAssignment(); |
+ Expression* value = assign->value(); |
+ Expression* target = assign->target(); |
+ Variable* result = nullptr; |
+ if (value->IsAssignment()) { |
caitp (gmail)
2015/10/19 11:17:39
I'll make all of this completion-value-saving code
|
+ value = DesugarDestructuringAssignment(value); |
+ if (value->IsDoExpression()) { |
+ result = value->AsDoExpression()->result()->var(); |
+ } |
+ } |
+ if (target->IsObjectLiteral() || target->IsArrayLiteral()) { |
+ Block* block = factory()->NewBlock(nullptr, 8, false, expr->position()); |
+ bool ok = true; |
+ result = PatternRewriter::RewriteDestructuringAssignment( |
+ this, block, target, value, result, &ok); |
+ DCHECK_EQ(ok, true); |
+ DCHECK_NOT_NULL(result); |
+ return factory()->NewDoExpression(block, result, expr->position()); |
} |
- return assign->value(); |
+ |
+ return expr; |
} |