/**
* Evaluate the child with the given index of the given node. This is usually called while
* visiting the given node.
*
* @exception IllegalActionException If an evaluation error occurs.
*/
protected ptolemy.data.Token _evaluateChild(ASTPtRootNode node, int i)
throws IllegalActionException {
ASTPtRootNode child = (ASTPtRootNode) node.jjtGetChild(i);
_traceEnter(child);
child.visit(this);
_traceLeave(child);
return _evaluatedChildToken;
}
/**
* Loop through all of the children of this node, visiting each one of them; this will cause their
* token value to be determined.
*
* @param node The node whose children are evaluated.
* @exception IllegalActionException If an evaluation error occurs.
*/
protected ptolemy.data.Token[] _evaluateAllChildren(ASTPtRootNode node)
throws IllegalActionException {
int numChildren = node.jjtGetNumChildren();
ptolemy.data.Token[] tokens = new ptolemy.data.Token[numChildren];
for (int i = 0; i < numChildren; i++) {
/* ASTPtRootNode child = (ASTPtRootNode) */ node.jjtGetChild(i);
tokens[i] = _evaluateChild(node, i);
}
return tokens;
}
/**
* Loop through all of the children of this node, visiting each one of them, which will cause
* their token value to be determined.
*/
protected Type[] _inferAllChildren(ASTPtRootNode node) throws IllegalActionException {
Type[] types = new Type[node.jjtGetNumChildren()];
int numChildren = node.jjtGetNumChildren();
for (int i = 0; i < numChildren; i++) {
_inferChild(node, i);
Type type = _inferredChildType;
if (type == null) {
throw new RuntimeException("node " + node.jjtGetChild(i) + " has no type.");
}
types[i] = type;
}
return types;
}
/**
* Visit the child with the given index of the given node. This is usually called while visiting
* the given node.
*/
protected Type _inferChild(ASTPtRootNode node, int i) throws IllegalActionException {
ASTPtRootNode child = (ASTPtRootNode) node.jjtGetChild(i);
child.visit(this);
return _inferredChildType;
}
