Remove ascii encoding from lexer-shell, latin1 should be used instead.

src/lexer/lexer-shell.cc

 // Copyright 2013 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 32 matching lines @@
 #include "scopeinfo.h"
 #include "string-stream.h"
 #include "scanner.h"
 
 #include "experimental-scanner.h"
 #include "lexer.h"
 
 using namespace v8::internal;
 
 enum Encoding {
-  ASCII,
   LATIN1,
   UTF8,
   UTF16
 };
 
 
 const byte* ReadFile(const char* name, Isolate* isolate, int* size) {
   FILE* file = fopen(name, "rb");
   *size = 0;
   if (file == NULL) return NULL;
@@ skipping 17 matching lines @@
   BaselineScanner(const char* fname,
                   Isolate* isolate,
                   Encoding encoding,
                   ElapsedTimer* timer)
       : stream_(NULL) {
     int length = 0;
     source_ = ReadFile(fname, isolate, &length);
     unicode_cache_ = new UnicodeCache();
     scanner_ = new Scanner(unicode_cache_);
     switch (encoding) {
-      case ASCII:
       case UTF8:
         stream_ = new Utf8ToUtf16CharacterStream(source_, length);
         break;
       case UTF16: {
         Handle<String> result = isolate->factory()->NewStringFromTwoByte(
             Vector<const uint16_t>(
                 reinterpret_cast<const uint16_t*>(source_),
                 length / 2));
         stream_ =
             new GenericStringUtf16CharacterStream(result, 0, result->length());
@@ skipping 167 matching lines @@
   bool check_tokens = true;
   std::vector<std::string> fnames;
   std::string benchmark;
   for (int i = 0; i < argc; ++i) {
     if (strcmp(argv[i], "--latin1") == 0) {
       encoding = LATIN1;
     } else if (strcmp(argv[i], "--utf8") == 0) {
       encoding = UTF8;
     } else if (strcmp(argv[i], "--utf16") == 0) {
       encoding = UTF16;
-    } else if (strcmp(argv[i], "--ascii") == 0) {
-      encoding = ASCII;
     } else if (strcmp(argv[i], "--print-tokens") == 0) {
       print_tokens = true;
     } else if (strcmp(argv[i], "--no-baseline") == 0) {
       run_baseline = false;
     } else if (strcmp(argv[i], "--no-experimental") == 0) {
       run_experimental = false;
     } else if (strcmp(argv[i], "--no-check") == 0) {
       check_tokens = false;
     } else if (strncmp(argv[i], "--benchmark=", 12) == 0) {
       benchmark = std::string(argv[i]).substr(12);
@@ skipping 26 matching lines @@
       if (run_experimental) {
         if (benchmark.empty()) benchmark = "Experimental";
         printf("%s(RunTime): %.f ms\n", benchmark.c_str(),
                experimental_total);
       }
     }
   }
   v8::V8::Dispose();
   return 0;
 }