use of spoon.reflect.code.CtBodyHolder in project spoon by INRIA.
the class PotentialVariableDeclarationFunction method apply.
@Override
public void apply(CtElement input, CtConsumer<Object> outputConsumer) {
isTypeOnTheWay = false;
isInStaticScope = false;
// Search previous siblings for element which may represents the declaration of this local variable
CtQuery siblingsQuery = input.getFactory().createQuery().map(new SiblingsFunction().mode(SiblingsFunction.Mode.PREVIOUS)).select(new TypeFilter<>(CtVariable.class));
if (variableName != null) {
// variable name is defined so we have to search only for variables with that name
siblingsQuery = siblingsQuery.select(new NamedElementFilter<>(CtNamedElement.class, variableName));
}
CtElement scopeElement = input;
// Search input and then all parents until first CtPackage for element which may represents the declaration of this local variable
while (scopeElement != null && !(scopeElement instanceof CtPackage) && scopeElement.isParentInitialized()) {
CtElement parent = scopeElement.getParent();
if (parent instanceof CtType<?>) {
isTypeOnTheWay = true;
// visit each CtField of `parent` CtType
CtQuery q = parent.map(new AllTypeMembersFunction(CtField.class));
q.forEach((CtField<?> field) -> {
if (isInStaticScope && field.hasModifier(ModifierKind.STATIC) == false) {
/*
* the variable reference is used in static scope,
* but the field is not static - ignore it
*/
return;
}
// else send field as potential variable declaration
if (sendToOutput(field, outputConsumer)) {
// and terminate the internal query q if outer query is already terminated
q.terminate();
}
});
if (query.isTerminated()) {
return;
}
} else if (parent instanceof CtBodyHolder || parent instanceof CtStatementList) {
// visit all previous CtVariable siblings of scopeElement element in parent BodyHolder or Statement list
siblingsQuery.setInput(scopeElement).forEach(outputConsumer);
if (query.isTerminated()) {
return;
}
// visit parameters of CtCatch and CtExecutable (method, lambda)
if (parent instanceof CtCatch) {
CtCatch ctCatch = (CtCatch) parent;
if (sendToOutput(ctCatch.getParameter(), outputConsumer)) {
return;
}
} else if (parent instanceof CtExecutable) {
CtExecutable<?> exec = (CtExecutable<?>) parent;
for (CtParameter<?> param : exec.getParameters()) {
if (sendToOutput(param, outputConsumer)) {
return;
}
}
}
}
if (parent instanceof CtModifiable) {
isInStaticScope = isInStaticScope || ((CtModifiable) parent).hasModifier(ModifierKind.STATIC);
}
scopeElement = parent;
}
}
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