private int[] CreateInitialLocals()
{
int[] initialLocals = new int[itsMaxLocals];
int localsTop = 0;
// Instance methods require the first local variable in the array
// to be "this". However, if the method being created is a
// constructor, aka the method is <init>, then the type of "this"
// should be StackMapTable.UNINITIALIZED_THIS
if ((itsCurrentMethod.GetFlags() & ACC_STATIC) == 0)
{
if ("<init>".Equals(itsCurrentMethod.GetName()))
{
initialLocals[localsTop++] = TypeInfo.UNINITIALIZED_THIS;
}
else
{
initialLocals[localsTop++] = TypeInfo.OBJECT(itsThisClassIndex);
}
}
// No error checking should be necessary, sizeOfParameters does this
string type = itsCurrentMethod.GetType();
int lParenIndex = type.IndexOf('(');
int rParenIndex = type.IndexOf(')');
if (lParenIndex != 0 || rParenIndex < 0)
{
throw new ArgumentException("bad method type");
}
int start = lParenIndex + 1;
StringBuilder paramType = new StringBuilder();
while (start < rParenIndex)
{
switch (type[start])
{
case 'B':
case 'C':
case 'D':
case 'F':
case 'I':
case 'J':
case 'S':
case 'Z':
{
paramType.Append(type[start]);
++start;
break;
}
case 'L':
{
int end = type.IndexOf(';', start) + 1;
string name = Sharpen.Runtime.Substring(type, start, end);
paramType.Append(name);
start = end;
break;
}
case '[':
{
paramType.Append('[');
++start;
continue;
}
}
string internalType = DescriptorToInternalName(paramType.ToString());
int typeInfo = TypeInfo.FromType(internalType, itsConstantPool);
initialLocals[localsTop++] = typeInfo;
if (TypeInfo.IsTwoWords(typeInfo))
{
localsTop++;
}
paramType.Length = 0;
}
return initialLocals;
}
