Make compile-time errors catchable

runtime/vm/object.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 5331 matching lines @@
                                          Report::Kind kind,
                                          Heap::Space space,
                                          const char* format, va_list args);
 
   static RawLanguageError* New(const String& formatted_message,
                                Report::Kind kind = Report::kError,
                                Heap::Space space = Heap::kNew);
 
   virtual const char* ToErrorCString() const;
 
+  TokenPosition token_pos() const { return raw_ptr()->token_pos_; }
+
  private:
   RawError* previous_error() const {
     return raw_ptr()->previous_error_;
   }
   void set_previous_error(const Error& value) const;
 
   RawScript* script() const { return raw_ptr()->script_; }
   void set_script(const Script& value) const;
 
-  TokenPosition token_pos() const { return raw_ptr()->token_pos_; }
   void set_token_pos(TokenPosition value) const;
 
   bool report_after_token() const { return raw_ptr()->report_after_token_; }
   void set_report_after_token(bool value);
 
   void set_kind(uint8_t value) const;
 
   RawString* message() const { return raw_ptr()->message_; }
   void set_message(const String& value) const;
 
@@ skipping 3576 matching lines @@
 
 inline void TypeArguments::SetHash(intptr_t value) const {
   // This is only safe because we create a new Smi, which does not cause
   // heap allocation.
   StoreSmi(&raw_ptr()->hash_, Smi::New(value));
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_