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72 lines
1.9 KiB
72 lines
1.9 KiB
package jode;
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import sun.tools.java.Type;
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public class BinaryOperator extends Operator {
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protected Type operandType;
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public BinaryOperator(int addr, int length, Type type, int op) {
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super(addr,length, type, op);
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operandType = type;
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}
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public int getOperandCount() {
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return 2;
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}
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public int getPriority() {
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switch (operator) {
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case 1: case 2:
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return 610;
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case 3: case 4: case 5:
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return 650;
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case 6: case 7: case 8:
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return 600;
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case 9:
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return 450;
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case 10:
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return 410;
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case 11:
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return 420;
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case 12: case 13: case 14: case 15: case 16: case 17:
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case 18: case 19: case 20: case 21: case 22: case 23:
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return 100;
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case LOG_OR_OP:
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return 310;
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case LOG_AND_OP:
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return 350;
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}
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throw new RuntimeException("Illegal operator");
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}
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public int getOperandPriority(int i) {
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return getPriority() + i;
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}
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public Type getOperandType(int i) {
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return operandType;
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}
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public void setOperandType(Type[] inputTypes) {
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operandType = UnknownType.commonType
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(operandType, UnknownType.commonType(inputTypes[0],
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inputTypes[1]));
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type = operandType;
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}
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/**
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* Sets the return type of this operator.
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* @return true if the operand types changed
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*/
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public boolean setType(Type newType) {
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operandType = UnknownType.commonType(operandType, newType);
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if (type != operandType) {
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type = operandType;
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return true;
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}
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return false;
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}
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public String toString(CodeAnalyzer ca, String[] operands) {
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return operands[0] + " "+getOperatorString()+" "+ operands[1];
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}
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}
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