public static List<Node> getArgumentNodesFromFunctionCall(IArgumentNode iVisited) {
List<Node> arguments = new ArrayList<Node>();
Node argsNode = iVisited.getArgsNode();
Iterator<Node> iter = null;
if (argsNode != null) {
iter = argsNode.childNodes().iterator();
} else {
// block?
Node iterNode = null;
if (iVisited instanceof FCallNode) {
iterNode = ((FCallNode) iVisited).getIterNode();
} else if (iVisited instanceof CallNode) {
iterNode = ((CallNode) iVisited).getIterNode();
}
if (iterNode == null) {
return arguments;
}
if (iterNode instanceof IterNode) {
// yup, it has a block
IterNode yeah = (IterNode) iterNode;
Node varNode = yeah.getVarNode();
if (varNode instanceof DAsgnNode) {
// single variable in the block
arguments.add(varNode);
} else if (varNode instanceof MultipleAsgnNode) {
// multiple variables in the block
MultipleAsgnNode multi = (MultipleAsgnNode) varNode;
ListNode list = multi.getHeadNode();
if (list != null) {
iter = list.childNodes().iterator();
} else {
Node multiArgsNode = multi.getArgsNode();
if (multiArgsNode instanceof DAsgnNode) {
arguments.add(multiArgsNode);
}
}
}
}
}
if (iter == null) {
return arguments;
}
while (iter.hasNext()) {
arguments.add(iter.next());
}
return arguments;
}
public static String getStringRepresentation(Node node) {
if (node == null) {
return ""; //$NON-NLS-1$
}
if (node instanceof HashNode) {
return "{}"; //$NON-NLS-1$
}
if (node instanceof SelfNode) {
return "self"; //$NON-NLS-1$
}
if (node instanceof NilNode) {
return "nil"; //$NON-NLS-1$
}
if (node instanceof TrueNode) {
return "true"; //$NON-NLS-1$
}
if (node instanceof FalseNode) {
return "false"; //$NON-NLS-1$
}
if (node instanceof SymbolNode) {
return ':' + ((SymbolNode) node).getName();
}
if (node instanceof INameNode) {
return ((INameNode) node).getName();
}
if (node instanceof ZArrayNode) {
return "[]"; //$NON-NLS-1$
}
if (node instanceof FixnumNode) {
return String.valueOf(((FixnumNode) node).getValue());
}
if (node instanceof StrNode) {
return '"' + ((StrNode) node).getValue().toString() + '"';
}
if (node instanceof DStrNode) {
List<Node> children = node.childNodes();
StringBuilder text = new StringBuilder();
text.append("\""); // $NON-NLS-1$
for (Node child : children) {
text.append(getStringRepresentation(child));
}
text.append("\""); // $NON-NLS-1$
return text.toString();
}
return node.toString();
}