public boolean isSafeLhs()

in src/main/java/org/apache/commons/jexl3/parser/JexlNode.java [257:298]
39 lines of code
18 McCabe index (conditional complexity)

    public boolean isSafeLhs(final boolean safe) {
        if (this instanceof ASTReference) {
            return jjtGetChild(0).isSafeLhs(safe);
        }
        if (this instanceof ASTMethodNode) {
            if (jjtGetNumChildren() > 1
                    && jjtGetChild(0) instanceof ASTIdentifierAccess
                    && (((ASTIdentifierAccess) jjtGetChild(0)).isSafe() || safe)) {
                return true;
            }
        }
        final JexlNode parent = jjtGetParent();
        if (parent == null) {
            return false;
        }
        // find this node in its parent
        final int nsiblings = parent.jjtGetNumChildren();
        int rhs = -1;
        for(int s = 0; s < nsiblings; ++s) {
            final JexlNode sibling = parent.jjtGetChild(s);
            if (sibling == this) {
                // the next chid offset of this nodes parent
                rhs = s + 1;
                break;
            }
        }
        // seek next child in parent
        if (rhs >= 0 && rhs < nsiblings) {
            JexlNode rsibling = parent.jjtGetChild(rhs);
            if (rsibling instanceof ASTMethodNode || rsibling instanceof ASTFunctionNode) {
                rsibling = rsibling.jjtGetChild(0);
            }
            if (rsibling instanceof ASTIdentifierAccess
                && (((ASTIdentifierAccess) rsibling).isSafe() || safe)) {
                return true;
            }
            if (rsibling instanceof ASTArrayAccess) {
                return safe;
            }
        }
        return false;
    }