| /* |
| * (c) Copyright IBM Corp. 2000, 2001, 2002. |
| * All Rights Reserved. |
| */ |
| package org.eclipse.jdt.internal.debug.eval.ast.instructions; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.jdt.debug.core.IJavaValue; |
| import org.eclipse.jdt.debug.core.IJavaVariable; |
| |
| public abstract class BinaryOperator extends CompoundInstruction { |
| protected int fResultTypeId; |
| protected int fLeftTypeId; |
| protected int fRightTypeId; |
| protected boolean fIsAssignmentOperator; |
| |
| protected BinaryOperator(int resultId, int leftTypeId, int rightTypeId, boolean isAssignementOperator, int start) { |
| super(start); |
| fResultTypeId= resultId; |
| fLeftTypeId= leftTypeId; |
| fRightTypeId= rightTypeId; |
| fIsAssignmentOperator= isAssignementOperator; |
| } |
| |
| /* |
| * @see Instruction#execute() |
| */ |
| final public void execute() throws CoreException { |
| if (fIsAssignmentOperator) { |
| executeAssignment(); |
| } else { |
| executeBinary(); |
| } |
| } |
| |
| private void executeAssignment() throws CoreException { |
| IJavaValue value = (IJavaValue) popValue(); |
| IJavaVariable variable = (IJavaVariable) pop(); |
| IJavaValue variableValue = (IJavaValue)variable.getValue(); |
| |
| switch (fResultTypeId) { |
| case T_byte: |
| variableValue= getByteValueResult(variableValue, value); |
| break; |
| case T_short: |
| variableValue= getShortValueResult(variableValue, value); |
| break; |
| case T_char: |
| variableValue= getCharValueResult(variableValue, value); |
| break; |
| case T_int: |
| variableValue= getIntValueResult(variableValue, value); |
| break; |
| case T_long: |
| variableValue= getLongValueResult(variableValue, value); |
| break; |
| case T_float: |
| variableValue= getFloatValueResult(variableValue, value); |
| break; |
| case T_double: |
| variableValue= getDoubleValueResult(variableValue, value); |
| break; |
| case T_boolean: |
| variableValue= getBooleanValueResult(variableValue, value); |
| break; |
| case T_String: |
| variableValue= getStringValueResult(variableValue, value); |
| break; |
| } |
| variable.setValue(variableValue); |
| push(variableValue); |
| } |
| |
| private void executeBinary() throws CoreException { |
| IJavaValue right= (IJavaValue)popValue(); |
| IJavaValue left= (IJavaValue)popValue(); |
| |
| switch (fResultTypeId) { |
| case T_String: |
| pushNewValue(getStringResult(left, right)); |
| break; |
| case T_double: |
| pushNewValue(getDoubleResult(left, right)); |
| break; |
| case T_float: |
| pushNewValue(getFloatResult(left, right)); |
| break; |
| case T_long: |
| pushNewValue(getLongResult(left, right)); |
| break; |
| case T_int: |
| pushNewValue(getIntResult(left, right)); |
| break; |
| case T_boolean: |
| pushNewValue(getBooleanResult(left, right)); |
| break; |
| } |
| } |
| |
| private IJavaValue getByteValueResult(IJavaValue leftOperand, IJavaValue rightOperand) throws CoreException { |
| switch (getInternResultType()) { |
| case T_double: |
| return newValue((byte) getDoubleResult(leftOperand, rightOperand)); |
| case T_float: |
| return newValue((byte) getFloatResult(leftOperand, rightOperand)); |
| case T_long: |
| return newValue((byte) getLongResult(leftOperand, rightOperand)); |
| case T_int: |
| return newValue((byte) getIntResult(leftOperand, rightOperand)); |
| default: |
| return null; |
| } |
| } |
| |
| private IJavaValue getShortValueResult(IJavaValue leftOperand, IJavaValue rightOperand) throws CoreException { |
| switch (getInternResultType()) { |
| case T_double: |
| return newValue((short) getDoubleResult(leftOperand, rightOperand)); |
| case T_float: |
| return newValue((short) getFloatResult(leftOperand, rightOperand)); |
| case T_long: |
| return newValue((short) getLongResult(leftOperand, rightOperand)); |
| case T_int: |
| return newValue((short) getIntResult(leftOperand, rightOperand)); |
| default: |
| return null; |
| } |
| } |
| |
| private IJavaValue getCharValueResult(IJavaValue leftOperand, IJavaValue rightOperand) throws CoreException { |
| switch (getInternResultType()) { |
| case T_double: |
| return newValue((char) getDoubleResult(leftOperand, rightOperand)); |
| case T_float: |
| return newValue((char) getFloatResult(leftOperand, rightOperand)); |
| case T_long: |
| return newValue((char) getLongResult(leftOperand, rightOperand)); |
| case T_int: |
| return newValue((char) getIntResult(leftOperand, rightOperand)); |
| default: |
| return null; |
| } |
| } |
| |
| private IJavaValue getIntValueResult(IJavaValue leftOperand, IJavaValue rightOperand) throws CoreException { |
| switch (getInternResultType()) { |
| case T_double: |
| return newValue((int) getDoubleResult(leftOperand, rightOperand)); |
| case T_float: |
| return newValue((int) getFloatResult(leftOperand, rightOperand)); |
| case T_long: |
| return newValue((int) getLongResult(leftOperand, rightOperand)); |
| case T_int: |
| return newValue((int) getIntResult(leftOperand, rightOperand)); |
| default: |
| return null; |
| } |
| } |
| |
| private IJavaValue getLongValueResult(IJavaValue leftOperand, IJavaValue rightOperand) throws CoreException { |
| switch (getInternResultType()) { |
| case T_double: |
| return newValue((long) getDoubleResult(leftOperand, rightOperand)); |
| case T_float: |
| return newValue((long) getFloatResult(leftOperand, rightOperand)); |
| case T_long: |
| return newValue((long) getLongResult(leftOperand, rightOperand)); |
| case T_int: |
| return newValue((long) getIntResult(leftOperand, rightOperand)); |
| default: |
| return null; |
| } |
| } |
| |
| private IJavaValue getFloatValueResult(IJavaValue leftOperand, IJavaValue rightOperand) throws CoreException { |
| switch (getInternResultType()) { |
| case T_double: |
| return newValue((float) getDoubleResult(leftOperand, rightOperand)); |
| case T_float: |
| return newValue((float) getFloatResult(leftOperand, rightOperand)); |
| case T_long: |
| return newValue((float) getLongResult(leftOperand, rightOperand)); |
| case T_int: |
| return newValue((float) getIntResult(leftOperand, rightOperand)); |
| default: |
| return null; |
| } |
| } |
| |
| private IJavaValue getDoubleValueResult(IJavaValue leftOperand, IJavaValue rightOperand) throws CoreException { |
| switch (getInternResultType()) { |
| case T_double: |
| return newValue((double) getDoubleResult(leftOperand, rightOperand)); |
| case T_float: |
| return newValue((double) getFloatResult(leftOperand, rightOperand)); |
| case T_long: |
| return newValue((double) getLongResult(leftOperand, rightOperand)); |
| case T_int: |
| return newValue((double) getIntResult(leftOperand, rightOperand)); |
| default: |
| return null; |
| } |
| } |
| |
| private IJavaValue getBooleanValueResult(IJavaValue leftOperand, IJavaValue rightOperand) { |
| return newValue(getBooleanResult(leftOperand, rightOperand)); |
| } |
| |
| private IJavaValue getStringValueResult(IJavaValue leftOperand, IJavaValue rightOperand) { |
| return newValue(getStringResult(leftOperand, rightOperand)); |
| } |
| |
| protected abstract int getIntResult(IJavaValue leftOperand, IJavaValue rightOperand) throws CoreException; |
| |
| protected abstract long getLongResult(IJavaValue leftOperand, IJavaValue rightOperand) throws CoreException; |
| |
| protected abstract float getFloatResult(IJavaValue leftOperand, IJavaValue rightOperand); |
| |
| protected abstract double getDoubleResult(IJavaValue leftOperand, IJavaValue rightOperand); |
| |
| protected abstract boolean getBooleanResult(IJavaValue leftOperand, IJavaValue rightOperand); |
| |
| protected abstract String getStringResult(IJavaValue leftOperand, IJavaValue rightOperand); |
| |
| protected int getInternResultType() { |
| return getBinaryPromotionType(fLeftTypeId, fRightTypeId); |
| } |
| |
| } |