UIMacros: {control} must be used in HTML text [Closes nette/latte#232]

Author: dg

src/Bridges/ApplicationLatte/UIMacros.php

@@ -83,7 +83,10 @@ public function macroControl(MacroNode $node, PhpWriter $writer)
 	{
 		if ($node->modifiers) {
 			trigger_error('Modifiers are deprecated in ' . $node->getNotation(), E_USER_DEPRECATED);
+		} elseif ($node->context !== [Latte\Compiler::CONTENT_HTML, Latte\Compiler::CONTEXT_HTML_TEXT]) {
+			trigger_error('Tag {control} must be used in HTML text.', E_USER_WARNING);
 		}
+
 		$words = $node->tokenizer->fetchWords();
 		if (!$words) {
 			throw new CompileException('Missing control name in {control}');

tests/Bridges.Latte/UIMacros.control.3.phpt

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * Test: {control ...}
+ */
+
+declare(strict_types=1);
+
+use Nette\Bridges\ApplicationLatte\UIMacros;
+use Tester\Assert;
+
+
+require __DIR__ . '/../bootstrap.php';
+
+
+$latte = new Latte\Engine;
+$latte->setLoader(new Latte\Loaders\StringLoader);
+UIMacros::install($latte->getCompiler());
+$latte->addProvider('uiControl', new class {
+	public function __call($name, $args)
+	{
+		return new self;
+	}
+});
+
+Assert::error(function () use ($latte) {
+	$latte->renderToString('<div {control x}');
+}, E_USER_WARNING, 'Tag {control} must be used in HTML text.');
+
+Assert::error(function () use ($latte) {
+	$latte->renderToString('<div title="{control x}"');
+}, E_USER_WARNING, 'Tag {control} must be used in HTML text.');
+
+Assert::error(function () use ($latte) {
+	$latte->renderToString('<style> {control x} </style>');
+}, E_USER_WARNING, 'Tag {control} must be used in HTML text.');