added support for magic constants __LINE__, __FILE__, __DIR__

src/Latte/Compiler/Nodes/Php/Expression/ConstantFetchNode.php

@@ -26,6 +26,14 @@ public function __construct(
 
 	public function print(PrintContext $context): string
 	{
+		if ($this->name->kind === NameNode::KindNormal) {
+			return match ((string) $this->name) {
+				'__LINE__' => (string) $this->position->line,
+				'__FILE__' => '(is_file(self::Source) ? self::Source : null)',
+				'__DIR__' => '(is_file(self::Source) ? dirname(self::Source) : null)',
+				default => $this->name->print($context),
+			};
+		}
 		return $this->name->print($context);
 	}
 

tests/phpPrint/magicConstants.phpt

@@ -0,0 +1,28 @@
+<?php
+
+// Magic constants
+
+declare(strict_types=1);
+
+use Tester\Assert;
+
+require __DIR__ . '/../bootstrap.php';
+
+$test = <<<'XX'
+	__FILE__,
+	__DIR__,
+	__LINE__,
+	XX;
+
+$node = parseCode($test);
+$code = printNode($node);
+
+Assert::same(
+	loadContent(__FILE__, __COMPILER_HALT_OFFSET__),
+	$code,
+);
+
+__halt_compiler();
+(is_file(self::Source) ? self::Source : null),
+(is_file(self::Source) ? dirname(self::Source) : null),
+3

tests/phpPrint/reserved.phpt

@@ -9,7 +9,7 @@ use Tester\Assert;
 require __DIR__ . '/../bootstrap.php';
 
 $test = <<<'XX'
-	__FILE__,
+	__FUNCTION__,
 	class,
 	class::$x,
 	class::interface,
@@ -27,7 +27,7 @@ Assert::same(
 );
 
 __halt_compiler();
-namespace\__FILE__,
+namespace\__FUNCTION__,
 'class',
 namespace\class::$x,
 namespace\class::interface,