Remove some ascii checks in advance of latin-1 release

src/v8utils.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 297 matching lines @@
 
 void MemoryMappedExternalResource::Init(const char* filename) {
   file_ = OS::MemoryMappedFile::open(filename);
   if (file_ != NULL) {
     filename_ = StrDup(filename);
     data_ = reinterpret_cast<char*>(file_->memory());
     length_ = file_->size();
   }
 }
 
-
-bool MemoryMappedExternalResource::EnsureIsAscii(bool abort_if_failed) const {
-  bool is_ascii = true;
-
-  int line_no = 1;
-  const char* start_of_line = data_;
-  const char* end = data_ + length_;
-  for (const char* p = data_; p < end; p++) {
-    char c = *p;
-    if ((c & 0x80) != 0) {
-      // Non-ASCII detected:
-      is_ascii = false;
-
-      // Report the error and abort if appropriate:
-      if (abort_if_failed) {
-        int char_no = static_cast<int>(p - start_of_line) - 1;
-
-        ASSERT(filename_ != NULL);
-        PrintF("\n\n\n"
-               "Abort: Non-Ascii character 0x%.2x in file %s line %d char %d",
-               c, filename_, line_no, char_no);
-
-        // Allow for some context up to kNumberOfLeadingContextChars chars
-        // before the offending non-ASCII char to help the user see where
-        // the offending char is.
-        const int kNumberOfLeadingContextChars = 10;
-        const char* err_context = p - kNumberOfLeadingContextChars;
-        if (err_context < data_) {
-          err_context = data_;
-        }
-        // Compute the length of the error context and print it.
-        int err_context_length = static_cast<int>(p - err_context);
-        if (err_context_length != 0) {
-          PrintF(" after \"%.*s\"", err_context_length, err_context);
-        }
-        PrintF(".\n\n\n");
-        OS::Abort();
-      }
-
-      break;  // Non-ASCII detected.  No need to continue scanning.
-    }
-    if (c == '\n') {
-      start_of_line = p;
-      line_no++;
-    }
-  }
-
-  return is_ascii;
-}
-
-
 } }  // namespace v8::internal