package weasel.interpreter.bytecode;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import weasel.interpreter.WeaselInterpreter;
import weasel.interpreter.WeaselMethodExecutor;
import weasel.interpreter.WeaselPrimitive;
import weasel.interpreter.WeaselThread;
import weasel.interpreter.WeaselThread.StackElement;
public class WeaselInstructionVerySame extends WeaselInstruction {
private final int primitiveID;
public WeaselInstructionVerySame(int primitiveID){
this.primitiveID = primitiveID;
}
public WeaselInstructionVerySame(DataInputStream dataInputStream) throws IOException{
primitiveID = dataInputStream.readInt();
}
@Override
public void run(WeaselInterpreter interpreter, WeaselThread thread, WeaselMethodExecutor method) {
StackElement o1 = thread.pop();
StackElement o2 = thread.pop();
switch(primitiveID){
case WeaselPrimitive.BOOLEAN:
thread.pushValue((Boolean)o1.value==(Boolean)o2.value);
case WeaselPrimitive.CHAR:
thread.pushValue((Character)o1.value==(Character)o2.value);
case WeaselPrimitive.BYTE:
thread.pushValue((Byte)o1.value==(Byte)o2.value);
case WeaselPrimitive.SHORT:
thread.pushValue((Short)o1.value==(Short)o2.value);
case WeaselPrimitive.INT:
thread.pushValue((Integer)o1.value==(Integer)o2.value);
case WeaselPrimitive.LONG:
thread.pushValue((Long)o1.value==(Long)o2.value);
case WeaselPrimitive.FLOAT:
thread.pushValue((Float)o1.value==(Float)o2.value);
case WeaselPrimitive.DOUBLE:
thread.pushValue((Double)o1.value==(Double)o2.value);
default:
thread.pushValue(o1.object==o2.object);
}
}
@Override
protected void saveToDataStream(DataOutputStream dataOutputStream) throws IOException {
dataOutputStream.writeInt(primitiveID);
}
@Override
public String toString() {
return "verySame "+WeaselPrimitive.primitiveNames[primitiveID];
}
}