@Override
public boolean matches(ExpressionTree expressionTree, VisitorState state) {
Symbol sym = ASTHelpers.getSymbol(expressionTree);
if (sym == null) {
return false;
}
if (!(sym instanceof MethodSymbol)) {
throw new IllegalArgumentException(
"DescendantOf matcher expects a method call but found "
+ sym.getClass()
+ ". Expression: "
+ expressionTree);
}
if (sym.isStatic()) {
return false;
}
if (methodName.equals(sym.toString())) {
Type accessedReferenceType = sym.owner.type;
Type collectionType = state.getTypeFromString(fullClassName);
if (collectionType != null) {
return state
.getTypes()
.isSubtype(accessedReferenceType, state.getTypes().erasure(collectionType));
}
}
return false;
}
protected void printSymbol(String label, Symbol sym, Details details) {
if (sym == null) {
printNull(label);
} else {
switch (details) {
case SUMMARY:
printString(label, toString(sym));
break;
case FULL:
indent();
out.print(label);
out.println(
": "
+ info(
sym.getClass(),
String.format("0x%x--%s", sym.kind.ordinal(), Kinds.kindName(sym)),
sym.getKind())
+ " "
+ sym.name
+ " "
+ hashString(sym));
indent(+1);
if (showSrc) {
JCTree tree = (JCTree) trees.getTree(sym);
if (tree != null) printSource("src", tree);
}
printString(
"flags", String.format("0x%x--%s", sym.flags_field, Flags.toString(sym.flags_field)));
printObject("completer", sym.completer, Details.SUMMARY); // what if too long?
printSymbol("owner", sym.owner, Details.SUMMARY);
printType("type", sym.type, Details.SUMMARY);
printType("erasure", sym.erasure_field, Details.SUMMARY);
sym.accept(symVisitor, null);
printAnnotations("annotations", sym.getMetadata(), Details.SUMMARY);
indent(-1);
}
}
}