Method completion

src/main/java/fieldnashorn/TernSupport.java:98–430

(ScriptEngine engine, String boxName, String allText, int line, int ch,
					   boolean explicitlyRequested)

	}

	public List<Completion> completion(ScriptEngine engine, String boxName, String allText, int line, int ch,
					   boolean explicitlyRequested) {

		List<Completion> r = new ArrayList<>();


		try {
			engine.put("__someFile", allText);
			engine.eval("var __completions = new java.util.ArrayList()");
			try {
				engine.eval("__fieldglobal.self.ternServer.request({query:{type:\"completions\", " +
					"types:true, docs:true, file:\"#0\", end:{line:" + line + ",ch:" + ch + "}}, " +
					"\n" +
					"files:[{type:\"full\",name:\"" + boxName + ".js\",text:__someFile}]},\n" +
					"	function (e,r){\n" +
					"		for(var i=0;i<r.completions.length;i++)" +
					"			if (r && r.end)" +
					"			__completions.add(new __fieldglobal.fieldbox.execution" +
					".Completion(r.start, r.end, r.completions[i].name, '<span class=type>'+r" +
					".completions[i].type+'&nbsp;&mdash;&nbsp;</span><span class=doc>'+(r" +
					".completions[i].doc==null ? '' : r.completions[i].doc)+'</span>'))" +
					"	})");
				ArrayList<Completion> aa = (ArrayList<Completion>) engine.getContext().getAttribute("__completions");
				if (aa!=null)
					r.addAll(aa);
			} catch (ScriptException e) {
				e.printStackTrace();
			}

			Bindings bindings = engine.getBindings(ScriptContext.ENGINE_SCOPE);
			Log.log("completion.debug", () -> {
				Log.log("completion.debug", () -> "bindings are...");
				for (Object k : bindings.keySet()) {
					Object t = bindings.get(k);
					if (t == null) continue;
					if (t instanceof String) if (((String) t).split("\n").length > 0)
						t = ((String) t).split("\n")[0] + " ...";
					final Object finalT = t;
					Log.log("completion.debug", () -> "    " + k + " " + finalT);
				}
				return null;
			});

			if (allText.trim()
				.length() == 0) return r;

			String[] lines = allText.split("\n");
			int c = 0;
			for (int i = 0; i < line; i++) {
				c += lines[i].length() + 1;
			}

			c += ch;


			final int finalC = c;
			Log.log("completion.debug", () -> " line :" + line + " -> " + ch + " -> " + finalC + " alltext" +
				" is <" + allText + ">");