/**
* Applies the <b>(SEND-SKIP)</b> rule to the <code>pNode</code> using the <code>pContext</code>.
*
* @param pContext The big step proof pContext.
* @param pNode The node to apply the <b>(SEND-SKIP)</b> rule to.
*/
public void applySendSkip(BigStepProofContext pContext, BigStepProofNode pNode) {
Send send = (Send) pNode.getExpression();
Row row = (Row) send.getE();
if (!row.isValue()) {
throw new IllegalArgumentException("Can not apply SEND-SKIP"); // $NON-NLS-1$
}
Expression[] rowExpressions = row.getExpressions();
Identifier methodName;
if (rowExpressions[0] instanceof Method) {
Method method = (Method) rowExpressions[0];
methodName = method.getId();
} else if (rowExpressions[0] instanceof CurriedMethod) {
CurriedMethod curriedMethod = (CurriedMethod) rowExpressions[0];
methodName = curriedMethod.getIdentifiers()[0];
} else {
throw new IllegalArgumentException("Can not apply SEND-SKIP"); // $NON-NLS-1$
}
boolean definedLater = false;
for (int i = 1; i < row.getExpressions().length; i++) {
Expression rowChild = rowExpressions[i];
if ((rowChild instanceof Method) && (((Method) rowChild).getId().equals(send.getId()))) {
definedLater = true;
break;
} else if ((rowChild instanceof CurriedMethod)
&& (((CurriedMethod) rowChild).getIdentifiers()[0].equals(send.getId()))) {
definedLater = true;
break;
}
}
if ((definedLater) || (!(send.getId().equals(methodName)))) {
pContext.addProofNode(pNode, new Send(row.tailRow(), send.getId()));
} else {
throw new IllegalArgumentException("Can not apply SEND-SKIP"); // $NON-NLS-1$
}
}
/**
* Applies the <b>(SEND-EXEC)</b> rule to the <code>pNode</code> using the <code>pContext</code>.
*
* @param pContext The big step proof pContext.
* @param pNode The node to apply the <b>(SEND-EXEC)</b> rule to.
*/
public void applySendExec(BigStepProofContext pContext, BigStepProofNode pNode) {
Send send = (Send) pNode.getExpression();
Row row = (Row) send.getE();
if (!row.isValue()) {
throw new IllegalArgumentException("Can not apply SEND-EXEC"); // $NON-NLS-1$
}
Expression[] rowExpressions = row.getExpressions();
Identifier methodName;
Expression methodExpression;
if (rowExpressions[0] instanceof Method) {
Method method = (Method) rowExpressions[0];
methodExpression = method.getE();
methodName = method.getId();
} else if (rowExpressions[0] instanceof CurriedMethod) {
CurriedMethod curriedMethod = (CurriedMethod) rowExpressions[0];
methodExpression = curriedMethod.getE();
Identifier[] identifiers = curriedMethod.getIdentifiers();
MonoType[] types = curriedMethod.getTypes();
for (int i = identifiers.length - 1; i > 0; i--) {
methodExpression = new Lambda(identifiers[i], types[i], methodExpression);
}
methodName = identifiers[0];
} else {
throw new IllegalArgumentException("Can not apply SEND-EXEC"); // $NON-NLS-1$
}
if (!(send.getId().equals(methodName))) {
throw new IllegalArgumentException("Can not apply SEND-EXEC"); // $NON-NLS-1$
}
boolean definedLater = false;
for (int i = 1; i < row.getExpressions().length; i++) {
Expression rowChild = rowExpressions[i];
if ((rowChild instanceof Method) && (((Method) rowChild).getId().equals(send.getId()))) {
definedLater = true;
break;
} else if ((rowChild instanceof CurriedMethod)
&& (((CurriedMethod) rowChild).getIdentifiers()[0].equals(send.getId()))) {
definedLater = true;
break;
}
}
if (!definedLater) {
pContext.addProofNode(pNode, methodExpression);
} else {
throw new IllegalArgumentException("Can not apply SEND-EXEC"); // $NON-NLS-1$
}
}