39 lines
1.6 KiB
Java
39 lines
1.6 KiB
Java
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public class Instruction {
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OpCode opCode ;
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int operand ;
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public Instruction ( OpCode opCode) {
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this.opCode = opCode;
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}
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public Instruction ( OpCode opCode , int operand ) {
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this.opCode = opCode;
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this.operand = operand;
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}
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public String toJasmin () {
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String temp="";
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switch (opCode) {
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case ldc : temp = " ldc "+ operand + "\n"; break;
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case iadd : temp = " iadd " + "\n"; break;
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case invokestatic : if( operand == 1) temp = " invokestatic "+ "Output/print(I)V" + "\n";
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else temp =" invokestatic " + "Output/read()I" + "\n"; break;
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case imul : temp = " imul " + "\n"; break;
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case idiv : temp = " idiv " + "\n"; break;
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case isub : temp = " isub " + "\n"; break;
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case istore : temp = " istore " + operand + "\n"; break;
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case iload : temp = " iload " + operand + "\n"; break;
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case if_icmpeq : temp = " if_icmpeq L" + operand + "\n"; break;
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case if_icmple : temp = " if_icmple L" + operand + "\n"; break;
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case if_icmplt : temp = " if_icmplt L" + operand + "\n"; break;
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case if_icmpne : temp = " if_icmpne L" + operand + "\n"; break;
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case if_icmpge : temp = " if_icmpge L" + operand + "\n"; break;
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case if_icmpgt : temp = " if_icmpgt L" + operand + "\n"; break;
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case ifne : temp = " ifne L" + operand + "\n"; break;
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case GOto : temp = " goto L" + operand + "\n" ; break;
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case label : temp = "L" + operand + ":\n"; break;
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}
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return temp;
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}
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}
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