Method toString

output/java8/1.4.13/Interpreter.java:1073–1096

(STWriter out, InstanceScope scope, Object value)

    }

    protected String toString(STWriter out, InstanceScope scope, Object value) {
        if ( value!=null ) {
            if ( value.getClass()==String.class ) return (String)value;
            // if not string already, must evaluate it
            StringWriter sw = new StringWriter();
            STWriter stw;
            try {
                Class<? extends STWriter> writerClass = out.getClass();
                Constructor<? extends STWriter> ctor = writerClass.getConstructor(Writer.class);
                stw = ctor.newInstance(sw);
            }
            catch (Exception e) {
                stw = new AutoIndentWriter(sw);
                errMgr.runTimeError(this, scope, ErrorType.WRITER_CTOR_ISSUE, out.getClass().getSimpleName());
            }
            if ( debug && !scope.earlyEval ) {
                scope = new InstanceScope(scope, scope.st);
                scope.earlyEval = true;
            }
            writeObjectNoOptions(stw, scope, value);
            return sw.toString();
        }
        return null;
    }

    public Object convertAnythingIteratableToIterator(InstanceScope scope, Object o) {
        Iterator<?> iter = null;