Add parser-shell.

tools/shell-utils.h

 // Copyright 2014 the V8 project authors. All rights reserved.
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 // 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
 //       with the distribution.
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 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
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 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#ifndef V8_PROPERTY_DETAILS_INL_H_
-#define V8_PROPERTY_DETAILS_INL_H_
+// Utility functions used by parser-shell and lexer-shell.
 
-#include "objects.h"
-#include "property-details.h"
-#include "v8conversions.h"
+#include <stdio.h>
 
 namespace v8 {
 namespace internal {
 
-inline bool Representation::CanContainDouble(double value) {
-  if (IsDouble() || is_more_general_than(Representation::Double())) {
-    return true;
+enum Encoding {
+  LATIN1,
+  UTF8,
+  UTF16
+};
+
+const byte* ReadFileAndRepeat(const char* name, int* size, int repeat) {
+  FILE* file = fopen(name, "rb");
+  *size = 0;
+  if (file == NULL) return NULL;
+
+  fseek(file, 0, SEEK_END);
+  int file_size = ftell(file);
+  rewind(file);
+
+  *size = file_size * repeat;
+
+  byte* chars = new byte[*size + 1];
+  for (int i = 0; i < file_size;) {
+    int read = static_cast<int>(fread(&chars[i], 1, file_size - i, file));
+    i += read;
   }
-  if (IsInt32Double(value)) {
-    if (IsInteger32()) return true;
-    if (IsSmi()) return Smi::IsValid(static_cast<int32_t>(value));
+  fclose(file);
+
+  for (int i = file_size; i < *size; i++) {
+    chars[i] = chars[i - file_size];
   }
-  return false;
+  chars[*size] = 0;
+
+  return chars;
 }
 
 } }  // namespace v8::internal
-
-#endif  // V8_PROPERTY_DETAILS_INL_H_