122 lines
3.9 KiB
PHP
122 lines
3.9 KiB
PHP
<?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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use Twig\Node\Expression\ArrayExpression;
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use Twig\Node\Expression\Variable\LocalVariable;
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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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/**
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* @param BodyNode $body
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* @param ArrayExpression $arguments
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*/
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public function __construct(string $name, Node $body, Node $arguments, int $lineno)
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{
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if (!$body instanceof BodyNode) {
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trigger_deprecation('twig/twig', '3.12', \sprintf('Not passing a "%s" instance as the "body" argument of the "%s" constructor is deprecated ("%s" given).', BodyNode::class, static::class, $body::class));
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}
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if (!$arguments instanceof ArrayExpression) {
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trigger_deprecation('twig/twig', '3.15', \sprintf('Not passing a "%s" instance as the "arguments" argument of the "%s" constructor is deprecated ("%s" given).', ArrayExpression::class, static::class, $arguments::class));
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$args = new ArrayExpression([], $arguments->getTemplateLine());
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foreach ($arguments as $n => $default) {
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$args->addElement($default, new LocalVariable($n, $default->getTemplateLine()));
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}
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$arguments = $args;
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}
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foreach ($arguments->getKeyValuePairs() as $pair) {
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if ("\u{035C}".self::VARARGS_NAME === $pair['key']->getAttribute('name')) {
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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), $pair['value']->getTemplateLine(), $pair['value']->getSourceContext());
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}
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}
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parent::__construct(['body' => $body, 'arguments' => $arguments], ['name' => $name], $lineno);
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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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/** @var ArrayExpression $arguments */
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$arguments = $this->getNode('arguments');
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foreach ($arguments->getKeyValuePairs() as $pair) {
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$name = $pair['key'];
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$default = $pair['value'];
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$compiler
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->subcompile($name)
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->raw(' = ')
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->subcompile($default)
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->raw(', ')
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;
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}
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$compiler
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->raw('...$varargs')
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->raw("): string|Markup\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 = [\n")
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->indent()
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;
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foreach ($arguments->getKeyValuePairs() as $pair) {
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$name = $pair['key'];
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$var = $name->getAttribute('name');
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if (str_starts_with($var, "\u{035C}")) {
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$var = substr($var, \strlen("\u{035C}"));
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}
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$compiler
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->write('')
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->string($var)
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->raw(' => ')
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->subcompile($name)
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->raw(",\n")
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;
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}
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$node = new CaptureNode($this->getNode('body'), $this->getNode('body')->lineno);
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$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("] + \$this->env->getGlobals();\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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