Throw compile error when using a modifier where it won't work. Fixes #…

…526.

src/Compiler/Template.php

@@ -1107,16 +1107,23 @@ private function compileTag2($tag, $args, $parameter) {
 				$this->tag_nocache = $this->tag_nocache | !$tagCompiler->isCacheable();
 				$_output = $tagCompiler->compile($args, $this, $parameter);
 				if ($_output !== false) {
+					if (!empty($parameter['modifierlist'])) {
+						throw new CompilerException('No modifiers allowed on ' . $tag);
+					}
 					return $this->has_code && $_output !== true ? $_output : null;
 				}
 			}
 		}
 
 		// call to function previousely defined by {function} tag
 		if ($this->canCompileTemplateFunctionCall($tag)) {
+
+			if (!empty($parameter['modifierlist'])) {
+				throw new CompilerException('No modifiers allowed on ' . $tag);
+			}
+
 			$args['_attr']['name'] = "'{$tag}'";
 			$tagCompiler = $this->getTagCompiler('call');
-			// compile this tag
 			$_output = $tagCompiler === null ? false : $tagCompiler->compile($args, $this, $parameter);
 			return $this->has_code ? $_output : null;
 		}
@@ -1157,6 +1164,9 @@ private function compileTag2($tag, $args, $parameter) {
 
 		// the default plugin handler is a handler of last resort, it may also handle not specifically registered tags.
 		if ($callback = $this->getPluginFromDefaultHandler($base_tag, Smarty::PLUGIN_COMPILER)) {
+			if (!empty($parameter['modifierlist'])) {
+				throw new CompilerException('No modifiers allowed on ' . $base_tag);
+			}
 			$tagCompiler = new \Smarty\Compile\Tag\BCPluginWrapper($callback);
 			return $tagCompiler->compile($args, $this, $parameter);
 		}

tests/UnitTests/TemplateSource/TagTests/Include/CompileIncludeTest.php

@@ -324,4 +324,11 @@ public function dataTestSpacing()
                      array("A{include file='include_spacing3.tpl'}B\nC", "AbarB\nC", '3_Newline3', $i++),
         );
     }
+
+	public function testModifierWrongPlace() {
+		$this->smarty->debugging = true;
+		$this->expectException(\Smarty\CompilerException::class);
+		$this->expectExceptionMessage('No modifiers allowed');
+		$this->smarty->fetch('include_with_modifier.tpl');
+	}
 }

tests/UnitTests/TemplateSource/TagTests/Include/templates/include_with_modifier.tpl

@@ -0,0 +1 @@
+{include|upper file="helloworld.tpl"}