Don't dereference handles in DoParseLazy

src/parsing/parser.h

 // Copyright 2012 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.
 
 #ifndef V8_PARSING_PARSER_H_
 #define V8_PARSING_PARSER_H_
 
 #include "src/allocation.h"
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
@@ skipping 40 matching lines @@
   FLAG_ACCESSOR(kToplevel, is_toplevel, set_toplevel)
   FLAG_ACCESSOR(kLazy, is_lazy, set_lazy)
   FLAG_ACCESSOR(kEval, is_eval, set_eval)
   FLAG_ACCESSOR(kGlobal, is_global, set_global)
   FLAG_ACCESSOR(kStrictMode, is_strict_mode, set_strict_mode)
   FLAG_ACCESSOR(kNative, is_native, set_native)
   FLAG_ACCESSOR(kModule, is_module, set_module)
   FLAG_ACCESSOR(kAllowLazyParsing, allow_lazy_parsing, set_allow_lazy_parsing)
   FLAG_ACCESSOR(kAstValueFactoryOwned, ast_value_factory_owned,
                 set_ast_value_factory_owned)
+  FLAG_ACCESSOR(kIsNamedExpression, is_named_expression,
+                set_is_named_expression)
+  FLAG_ACCESSOR(kCallsEval, calls_eval, set_calls_eval)
 
 #undef FLAG_ACCESSOR
 
   void set_parse_restriction(ParseRestriction restriction) {
     SetFlag(kParseRestriction, restriction != NO_PARSE_RESTRICTION);
   }
 
   ParseRestriction parse_restriction() const {
     return GetFlag(kParseRestriction) ? ONLY_SINGLE_FUNCTION_LITERAL
                                       : NO_PARSE_RESTRICTION;
@@ skipping 48 matching lines @@
   void set_unicode_cache(UnicodeCache* unicode_cache) {
     unicode_cache_ = unicode_cache;
   }
 
   uintptr_t stack_limit() { return stack_limit_; }
   void set_stack_limit(uintptr_t stack_limit) { stack_limit_ = stack_limit; }
 
   uint32_t hash_seed() { return hash_seed_; }
   void set_hash_seed(uint32_t hash_seed) { hash_seed_ = hash_seed; }
 
+  int compiler_hints() const { return compiler_hints_; }
+  void set_compiler_hints(int compiler_hints) {
+    compiler_hints_ = compiler_hints;
+  }
+
+  int start_position() const { return start_position_; }
+  void set_start_position(int start_position) {
+    start_position_ = start_position;
+  }
+
+  int end_position() const { return end_position_; }
+  void set_end_position(int end_position) { end_position_ = end_position; }
+
+  // Getters for individual compiler hints.
+  bool is_declaration() const;
+  bool is_arrow() const;
+  bool is_async() const;
+  bool is_default_constructor() const;
+  FunctionKind function_kind() const;
+
   //--------------------------------------------------------------------------
   // TODO(titzer): these should not be part of ParseInfo.
   //--------------------------------------------------------------------------
   Isolate* isolate() { return isolate_; }
   Handle<SharedFunctionInfo> shared_info() { return shared_; }
   Handle<Script> script() { return script_; }
   Handle<Context> context() { return context_; }
   void clear_script() { script_ = Handle<Script>::null(); }
   void set_isolate(Isolate* isolate) { isolate_ = isolate; }
   void set_shared_info(Handle<SharedFunctionInfo> shared) { shared_ = shared; }
@@ skipping 25 matching lines @@
     // ---------- Input flags ---------------------------
     kToplevel = 1 << 0,
     kLazy = 1 << 1,
     kEval = 1 << 2,
     kGlobal = 1 << 3,
     kStrictMode = 1 << 4,
     kNative = 1 << 5,
     kParseRestriction = 1 << 6,
     kModule = 1 << 7,
     kAllowLazyParsing = 1 << 8,
+    kIsNamedExpression = 1 << 9,
+    kCallsEval = 1 << 10,
     // ---------- Output flags --------------------------
-    kAstValueFactoryOwned = 1 << 9
+    kAstValueFactoryOwned = 1 << 11
   };
 
   //------------- Inputs to parsing and scope analysis -----------------------
   Zone* zone_;
   unsigned flags_;
   ScriptCompiler::ExternalSourceStream* source_stream_;
   ScriptCompiler::StreamedSource::Encoding source_stream_encoding_;
   Utf16CharacterStream* character_stream_;
   v8::Extension* extension_;
   ScriptCompiler::CompileOptions compile_options_;
   Scope* script_scope_;
   UnicodeCache* unicode_cache_;
   uintptr_t stack_limit_;
   uint32_t hash_seed_;
+  int compiler_hints_;
+  int start_position_;
+  int end_position_;
 
   // TODO(titzer): Move handles and isolate out of ParseInfo.
   Isolate* isolate_;
   Handle<SharedFunctionInfo> shared_;
   Handle<Script> script_;
   Handle<Context> context_;
 
   //----------- Inputs+Outputs of parsing and scope analysis -----------------
   ScriptData** cached_data_;  // used if available, populated if requested.
   AstValueFactory* ast_value_factory_;  // used if available, otherwise new.
@@ skipping 543 matching lines @@
   // and we don't want too much user-controlled memory inside the code (this was
   // the reason why this limit was introduced in the first place; see
   // https://codereview.chromium.org/7003030/ ).
   static const int kMaxNumFunctionLocals = 4194303;  // 2^22-1
 
   // Returns NULL if parsing failed.
   FunctionLiteral* ParseProgram(Isolate* isolate, ParseInfo* info);
 
   FunctionLiteral* ParseLazy(Isolate* isolate, ParseInfo* info);
   FunctionLiteral* DoParseLazy(Isolate* isolate, ParseInfo* info,
+                               const AstRawString* raw_name,
                                Utf16CharacterStream* source);
 
   // Called by ParseProgram after setting up the scanner.
   FunctionLiteral* DoParseProgram(ParseInfo* info);
 
   void SetCachedData(ParseInfo* info);
 
   ScriptCompiler::CompileOptions compile_options() const {
     return compile_options_;
   }
@@ skipping 563 matching lines @@
 
 DoExpression* ParserTraits::ParseDoExpression(bool* ok) {
   return parser_->ParseDoExpression(ok);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PARSER_H_