public void visitClosureExpression(ClosureExpression expression) {
pushState();
expression.setVariableScope(currentScope);
if (expression.isParameterSpecified()) {
Parameter[] parameters = expression.getParameters();
for (Parameter parameter : parameters) {
parameter.setInStaticContext(currentScope.isInStaticContext());
if (parameter.hasInitialExpression()) {
parameter.getInitialExpression().visit(this);
}
declare(parameter, expression);
}
} else if (expression.getParameters() != null) {
Parameter var = new Parameter(ClassHelper.OBJECT_TYPE, "it");
var.setInStaticContext(currentScope.isInStaticContext());
currentScope.putDeclaredVariable(var);
}
super.visitClosureExpression(expression);
markClosureSharedVariables();
popState();
}
private void declare(Parameter[] parameters, ASTNode node) {
for (Parameter parameter : parameters) {
if (parameter.hasInitialExpression()) {
parameter.getInitialExpression().visit(this);
}
declare(parameter, node);
}
}
/**
* Returns true if the given method has a possibly matching static method with the given name and
* arguments.
*
* @param name the name of the method of interest
* @param arguments the arguments to match against
* @return true if a matching method was found
*/
public boolean hasPossibleStaticMethod(String name, Expression arguments) {
int count = 0;
if (arguments instanceof TupleExpression) {
TupleExpression tuple = (TupleExpression) arguments;
// TODO this won't strictly be true when using list expansion in argument calls
count = tuple.getExpressions().size();
} else if (arguments instanceof MapExpression) {
count = 1;
}
for (MethodNode method : getMethods(name)) {
if (method.isStatic()) {
Parameter[] parameters = method.getParameters();
if (parameters.length == count) return true;
// handle varargs case
if (parameters.length > 0 && parameters[parameters.length - 1].getType().isArray()) {
if (count >= parameters.length - 1) return true;
}
// handle parameters with default values
int nonDefaultParameters = 0;
for (Parameter parameter : parameters) {
if (!parameter.hasInitialExpression()) {
nonDefaultParameters++;
}
}
if (count < parameters.length && nonDefaultParameters <= count) {
return true;
}
}
}
return false;
}