[parser] Refactor of Parse*Statement*, part 5

src/parsing/preparser.h

Index: src/parsing/preparser.h
diff --git a/src/parsing/preparser.h b/src/parsing/preparser.h
index f735f5cbe72e247799ae4a27e31c3ca26c07977e..6b472c580360f0321b2c1b5fe435adfc6d1b629e 100644
--- a/src/parsing/preparser.h
+++ b/src/parsing/preparser.h
@@ -654,6 +654,16 @@ class PreParserFactory {
     return PreParserStatement::Default();
   }
 
+  PreParserStatement NewDoWhileStatement(ZoneList<const AstRawString*>* labels,
+                                         int pos) {
+    return PreParserStatement::Default();
+  }
+
+  PreParserStatement NewWhileStatement(ZoneList<const AstRawString*>* labels,
+                                       int pos) {
+    return PreParserStatement::Default();
+  }
+
   // Return the object itself as AstVisitor and implement the needed
   // dummy method right in this class.
   PreParserFactory* visitor() { return this; }
@@ -824,16 +834,10 @@ class PreParser : public ParserBase<PreParser> {
                                   bool default_export, bool* ok);
   Statement ParseSwitchStatement(ZoneList<const AstRawString*>* labels,
                                  bool* ok);
-  Statement ParseDoWhileStatement(ZoneList<const AstRawString*>* labels,
-                                  bool* ok);
-  Statement ParseWhileStatement(ZoneList<const AstRawString*>* labels,
-                                bool* ok);
   Statement ParseForStatement(ZoneList<const AstRawString*>* labels, bool* ok);
-  Statement ParseThrowStatement(bool* ok);
   Statement ParseTryStatement(bool* ok);
   Expression ParseConditionalExpression(bool accept_IN, bool* ok);
   Expression ParseObjectLiteral(bool* ok);
-  Expression ParseDoExpression(bool* ok);
 
   V8_INLINE PreParserStatementList ParseEagerFunctionBody(
       PreParserIdentifier function_name, int pos,
@@ -948,6 +952,17 @@ class PreParser : public ParserBase<PreParser> {
     return return_value;
   }
 
+  V8_INLINE PreParserExpression RewriteDoExpression(PreParserStatement body,
+                                                    int pos, bool* ok) {
+    return PreParserExpression::Default();
+  }
+
+  V8_INLINE PreParserStatement InitializeLoop(PreParserStatement loop,
+                                              PreParserExpression cond,
+                                              PreParserStatement body) {
+    return loop;
+  }
+
   // TODO(nikolaos): The preparser currently does not keep track of labels
   // and targets.
   V8_INLINE PreParserStatement LookupBreakTarget(PreParserIdentifier label,
@@ -1260,6 +1275,11 @@ class PreParser : public ParserBase<PreParser> {
     return PreParserExpression::Default();
   }
 
+  V8_INLINE PreParserStatement NewThrowStatement(PreParserExpression exception,
+                                                 int pos) {
+    return PreParserStatement::Jump();
+  }
+
   V8_INLINE void AddParameterInitializationBlock(
       const PreParserFormalParameters& parameters, PreParserStatementList body,
       bool is_async, bool* ok) {}