[ignition] desugar GetIterator() via bytecode rather than via AST

src/parsing/pattern-rewriter.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/ast/ast.h"
 #include "src/messages.h"
 #include "src/parsing/parameter-initializer-rewriter.h"
 #include "src/parsing/parser.h"
 
 namespace v8 {
@@ skipping 341 matching lines @@
   Variable* temp_var = nullptr;
   VisitObjectLiteral(node, &temp_var);
 }
 
 
 void Parser::PatternRewriter::VisitArrayLiteral(ArrayLiteral* node,
                                                 Variable** temp_var) {
   DCHECK(block_->ignore_completion_value());
 
   auto temp = *temp_var = CreateTempVar(current_value_);
-  auto iterator = CreateTempVar(parser_->GetIterator(
+  auto iterator = CreateTempVar(factory()->NewGetIterator(
       factory()->NewVariableProxy(temp), kNoSourcePosition));
   auto done =
       CreateTempVar(factory()->NewBooleanLiteral(false, kNoSourcePosition));
   auto result = CreateTempVar();
   auto v = CreateTempVar();
   auto completion = CreateTempVar();
   auto nopos = kNoSourcePosition;
 
   // For the purpose of iterator finalization, we temporarily set block_ to a
   // new block.  In the main body of this function, we write to block_ (both
@@ skipping 293 matching lines @@
 NOT_A_PATTERN(DoExpression)
 NOT_A_PATTERN(DoWhileStatement)
 NOT_A_PATTERN(EmptyStatement)
 NOT_A_PATTERN(EmptyParentheses)
 NOT_A_PATTERN(ExpressionStatement)
 NOT_A_PATTERN(ForInStatement)
 NOT_A_PATTERN(ForOfStatement)
 NOT_A_PATTERN(ForStatement)
 NOT_A_PATTERN(FunctionDeclaration)
 NOT_A_PATTERN(FunctionLiteral)
+NOT_A_PATTERN(GetIterator)
 NOT_A_PATTERN(IfStatement)
 NOT_A_PATTERN(Literal)
 NOT_A_PATTERN(NativeFunctionLiteral)
 NOT_A_PATTERN(RegExpLiteral)
 NOT_A_PATTERN(ReturnStatement)
 NOT_A_PATTERN(SloppyBlockFunctionStatement)
 NOT_A_PATTERN(Spread)
 NOT_A_PATTERN(SuperPropertyReference)
 NOT_A_PATTERN(SuperCallReference)
 NOT_A_PATTERN(SwitchStatement)
 NOT_A_PATTERN(ThisFunction)
 NOT_A_PATTERN(Throw)
 NOT_A_PATTERN(TryCatchStatement)
 NOT_A_PATTERN(TryFinallyStatement)
 NOT_A_PATTERN(UnaryOperation)
 NOT_A_PATTERN(VariableDeclaration)
 NOT_A_PATTERN(WhileStatement)
 NOT_A_PATTERN(WithStatement)
 NOT_A_PATTERN(Yield)
 
 #undef NOT_A_PATTERN
 }  // namespace internal
 }  // namespace v8