100 lines
2.7 KiB
PHP
100 lines
2.7 KiB
PHP
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<?php
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/*
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* This file is part of Twig.
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*
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* (c) Fabien Potencier
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Twig\Node;
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use Twig\Attribute\YieldReady;
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use Twig\Compiler;
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use Twig\Error\SyntaxError;
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/**
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* Represents a macro node.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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#[YieldReady]
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class MacroNode extends Node
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{
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public const VARARGS_NAME = 'varargs';
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public function __construct(string $name, Node $body, Node $arguments, int $lineno, ?string $tag = null)
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{
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foreach ($arguments as $argumentName => $argument) {
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if (self::VARARGS_NAME === $argumentName) {
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throw new SyntaxError(sprintf('The argument "%s" in macro "%s" cannot be defined because the variable "%s" is reserved for arbitrary arguments.', self::VARARGS_NAME, $name, self::VARARGS_NAME), $argument->getTemplateLine(), $argument->getSourceContext());
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}
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}
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parent::__construct(['body' => $body, 'arguments' => $arguments], ['name' => $name], $lineno, $tag);
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}
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public function compile(Compiler $compiler): void
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{
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$compiler
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->addDebugInfo($this)
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->write(sprintf('public function macro_%s(', $this->getAttribute('name')))
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;
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$count = \count($this->getNode('arguments'));
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$pos = 0;
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foreach ($this->getNode('arguments') as $name => $default) {
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$compiler
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->raw('$__'.$name.'__ = ')
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->subcompile($default)
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;
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if (++$pos < $count) {
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$compiler->raw(', ');
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}
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}
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if ($count) {
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$compiler->raw(', ');
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}
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$compiler
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->raw('...$__varargs__')
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->raw(")\n")
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->write("{\n")
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->indent()
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->write("\$macros = \$this->macros;\n")
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->write("\$context = \$this->env->mergeGlobals([\n")
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->indent()
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;
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foreach ($this->getNode('arguments') as $name => $default) {
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$compiler
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->write('')
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->string($name)
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->raw(' => $__'.$name.'__')
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->raw(",\n")
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;
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}
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$node = new CaptureNode($this->getNode('body'), $this->getNode('body')->lineno, $this->getNode('body')->tag);
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$compiler
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->write('')
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->string(self::VARARGS_NAME)
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->raw(' => ')
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->raw("\$__varargs__,\n")
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->outdent()
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->write("]);\n\n")
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->write("\$blocks = [];\n\n")
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->write('return ')
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->subcompile($node)
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->raw("\n")
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->outdent()
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->write("}\n\n")
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;
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}
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}
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