private Code readOther(
int opcode,
boolean wideBase,
boolean wideRest,
int offset,
HashMap<Integer, Code.Label> labels)
throws IOException {
switch (opcode) {
case Code.OPCODE_trycatch:
{
int operand = readBase(wideBase);
int target = readTarget(wideRest, offset);
Code.Label l = findLabel(target, labels);
int nCatches = readRest(wideRest);
ArrayList<Pair<Type, String>> catches = new ArrayList<Pair<Type, String>>();
for (int i = 0; i != nCatches; ++i) {
Type type = typePool[readRest(wideRest)];
Code.Label handler = findLabel(readTarget(wideRest, offset), labels);
catches.add(new Pair<Type, String>(type, handler.label));
}
return Code.TryCatch(operand, l.label, catches);
}
case Code.OPCODE_update:
{
int target = readBase(wideBase);
int nOperands = readBase(wideBase) - 1;
int operand = readBase(wideBase);
int[] operands = new int[nOperands];
for (int i = 0; i != nOperands; ++i) {
operands[i] = readBase(wideBase);
}
Type beforeType = typePool[readRest(wideRest)];
Type afterType = typePool[readRest(wideRest)];
int nFields = readRest(wideRest);
ArrayList<String> fields = new ArrayList<String>();
for (int i = 0; i != nFields; ++i) {
String field = stringPool[readRest(wideRest)];
fields.add(field);
}
return Code.Update(beforeType, target, operand, operands, afterType, fields);
}
}
throw new RuntimeException("unknown opcode encountered (" + opcode + ")");
}
