Examples with IdentifierTree com.sun.source.tree.IdentifierTree used on opensource projects

Example 81 with IdentifierTree

use of com.sun.source.tree.IdentifierTree in project error-prone by google.

the class CatchFail method catchVariableIsUsed.

private boolean catchVariableIsUsed(CatchTree c) {
    VarSymbol sym = ASTHelpers.getSymbol(c.getParameter());
    boolean[] found = { false };
    c.getBlock().accept(new TreeScanner<Void, Void>() {

        @Override
        public Void visitIdentifier(IdentifierTree node, Void aVoid) {
            if (Objects.equals(sym, ASTHelpers.getSymbol(node))) {
                found[0] = true;
            }
            return super.visitIdentifier(node, aVoid);
        }
    }, null);
    return found[0];
}

Example 82 with IdentifierTree

use of com.sun.source.tree.IdentifierTree in project error-prone by google.

the class InfiniteRecursion method matchMethod.

@Override
public Description matchMethod(MethodTree tree, VisitorState state) {
    if (tree.getBody() == null || tree.getBody().getStatements().size() != 1) {
        return NO_MATCH;
    }
    Tree statement = stripParentheses(getOnlyElement(tree.getBody().getStatements()));
    ExpressionTree expr = statement.accept(new SimpleTreeVisitor<ExpressionTree, Void>() {

        @Override
        public ExpressionTree visitExpressionStatement(ExpressionStatementTree tree, Void unused) {
            return tree.getExpression();
        }

        @Override
        public ExpressionTree visitReturn(ReturnTree tree, Void unused) {
            return tree.getExpression();
        }
    }, null);
    if (!(expr instanceof MethodInvocationTree)) {
        return NO_MATCH;
    }
    ExpressionTree select = ((MethodInvocationTree) expr).getMethodSelect();
    switch(select.getKind()) {
        case IDENTIFIER:
            break;
        case MEMBER_SELECT:
            ExpressionTree receiver = ((MemberSelectTree) select).getExpression();
            if (receiver.getKind() != Kind.IDENTIFIER) {
                return NO_MATCH;
            }
            if (!((IdentifierTree) receiver).getName().contentEquals("this")) {
                return NO_MATCH;
            }
            break;
        default:
            return NO_MATCH;
    }
    MethodSymbol sym = ASTHelpers.getSymbol(tree);
    if (sym == null || !sym.equals(ASTHelpers.getSymbol(expr))) {
        return NO_MATCH;
    }
    return describeMatch(statement);
}