/**
* Create an EmitterDescriptor for the given methodName. This conmstructor creates a descriptor
* that represents explicitly the types and size of the operands of the given emit* method. This
* constructor encapsulate the logic to parse the given method name into the appropriate
* explicit representation.
*/
EmitterDescriptor(String methodName, Class<?>[] argTypes) {
StringTokenizer toks = new StringTokenizer(methodName, "_");
toks.nextElement(); // first element is emitXXX;
args = new ArgumentType[toks.countTokens()];
ArgumentType size = null;
int count = 0;
int argTypeNum = 0;
for (int i = 0; i < args.length; i++) {
String cs = toks.nextToken();
ArgumentType code;
if (argTypeNum < argTypes.length) {
code = getEncoding(cs, argTypes[argTypeNum]);
} else {
code = getEncoding(cs, null);
}
argTypeNum += code.getParameters();
if (DEBUG) {
System.err.println(methodName + "[" + i + "] is " + code + " for " + cs);
}
args[count] = code;
count++;
if (code.isSize()) {
size = code;
count--;
}
}
this.size = size;
this.count = count;
}
