49   assert(sig->byte_at(0) == '[', "this should already have been checked");
  50   // The first character is already checked
  51   int i = 1;
  52   int len = sig->utf8_length();
  53   // First skip all '['s
  54   while(i < len - 1 && sig->byte_at(i) == '[') i++;
  55 
  56   // Check type
  57   switch(sig->byte_at(i)) {
  58     case 'B': // T_BYTE
  59     case 'C': // T_CHAR
  60     case 'D': // T_DOUBLE
  61     case 'F': // T_FLOAT
  62     case 'I': // T_INT
  63     case 'J': // T_LONG
  64     case 'S': // T_SHORT
  65     case 'Z': // T_BOOLEAN
  66       // If it is an array, the type is the last character
  67       return (i + 1 == len);
  68     case 'L':
  69     case 'Q':
  70       // If it is an object or a value type, the last character must be a ';'
  71       return sig->byte_at(len - 1) == ';';
  72   }
  73 
  74   return false;
  75 }
  76 
  77 static const char dvt_postfix[] = "$Value";
  78 static const int dvt_postfix_len = 6;
  79 
  80 bool FieldType::is_dvt_postfix(Symbol* signature) {
  81   assert(strlen(dvt_postfix) == dvt_postfix_len, "Invariant");
  82   int sig_length = signature->utf8_length();
  83   int pos = sig_length - dvt_postfix_len;
  84   if (pos <= 0) {
  85     return false;
  86   }
  87   for (int i = 0; i < dvt_postfix_len; i++) {
  88     if (signature->byte_at(pos) != dvt_postfix[i]) {
  89       return false;
  90     }

  49   assert(sig->byte_at(0) == '[', "this should already have been checked");
  50   // The first character is already checked
  51   int i = 1;
  52   int len = sig->utf8_length();
  53   // First skip all '['s
  54   while(i < len - 1 && sig->byte_at(i) == '[') i++;
  55 
  56   // Check type
  57   switch(sig->byte_at(i)) {
  58     case 'B': // T_BYTE
  59     case 'C': // T_CHAR
  60     case 'D': // T_DOUBLE
  61     case 'F': // T_FLOAT
  62     case 'I': // T_INT
  63     case 'J': // T_LONG
  64     case 'S': // T_SHORT
  65     case 'Z': // T_BOOLEAN
  66       // If it is an array, the type is the last character
  67       return (i + 1 == len);
  68     case 'L':
  69       // If it is a class name, the last character must be a ';'

  70       return sig->byte_at(len - 1) == ';';
  71   }
  72 
  73   return false;
  74 }
  75 
  76 static const char dvt_postfix[] = "$Value";
  77 static const int dvt_postfix_len = 6;
  78 
  79 bool FieldType::is_dvt_postfix(Symbol* signature) {
  80   assert(strlen(dvt_postfix) == dvt_postfix_len, "Invariant");
  81   int sig_length = signature->utf8_length();
  82   int pos = sig_length - dvt_postfix_len;
  83   if (pos <= 0) {
  84     return false;
  85   }
  86   for (int i = 0; i < dvt_postfix_len; i++) {
  87     if (signature->byte_at(pos) != dvt_postfix[i]) {
  88       return false;
  89     }