outdent example

$node = $this->getNode('variables');
            $varsName = $compiler->getVarName();
            $compiler
                ->write(sprintf('$%s = ', $varsName))
                ->subcompile($node)
                ->raw(";\n")
                ->write(sprintf("if (!twig_test_iterable(\$%s)) {\n", $varsName))
                ->indent()
                ->write("throw new RuntimeError('Variables passed to the \"with\" tag must be a hash.', ")
                ->repr($node->getTemplateLine())
                ->raw(", \$this->getSourceContext());\n")
                ->outdent()
                ->write("}\n")
                ->write(sprintf("\$%s = twig_to_array(\$%s);\n", $varsName, $varsName))
            ;

            if ($this->getAttribute('only')) {
                $compiler->write("\$context = [];\n");
            }

            $compiler->write(sprintf("\$context = \$this->env->mergeGlobals(array_merge(\$context, \$%s));\n", $varsName));
        }

        

if ($this->getAttribute('with_loop')) {
            $compiler
                ->write("++\$context['loop']['index0'];\n")
                ->write("++\$context['loop']['index'];\n")
                ->write("\$context['loop']['first'] = false;\n")
                ->write("if (isset(\$context['loop']['length'])) {\n")
                ->indent()
                ->write("--\$context['loop']['revindex0'];\n")
                ->write("--\$context['loop']['revindex'];\n")
                ->write("\$context['loop']['last'] = 0 === \$context['loop']['revindex0'];\n")
                ->outdent()
                ->write("}\n")
            ;
        }
    }
}

public function compile(Compiler $compiler): void
    {
        $compiler
            ->addDebugInfo($this)
            ->write(sprintf("public function block_%s(\$context, array \$blocks = [])\n", $this->getAttribute('name')), "{\n")
            ->indent()
            ->write("\$macros = \$this->macros;\n")
        ;

        $compiler
            ->subcompile($this->getNode('body'))
            ->outdent()
            ->write("}\n\n")
        ;
    }
}

        parent::__construct(['body' => $body], [], $lineno, $tag);
    }

    public function compile(Compiler $compiler): void
    {
        $compiler
            ->addDebugInfo($this)
            ->write("if (!\$alreadySandboxed = \$this->sandbox->isSandboxed()) {\n")
            ->indent()
            ->write("\$this->sandbox->enableSandbox();\n")
            ->outdent()
            ->write("}\n")
            ->write("try {\n")
            ->indent()
            ->subcompile($this->getNode('body'))
            ->outdent()
            ->write("} finally {\n")
            ->indent()
            ->write("if (!\$alreadySandboxed) {\n")
            ->indent()
            ->write("\$this->sandbox->disableSandbox();\n")
            ->outdent()
            

$compiler
                ->write(sprintf("$%s = null;\n", $template))
                ->write("try {\n")
                ->indent()
                ->write(sprintf('$%s = ', $template))
            ;

            $this->addGetTemplate($compiler);

            $compiler
                ->raw(";\n")
                ->outdent()
                ->write("} catch (LoaderError \$e) {\n")
                ->indent()
                ->write("// ignore missing template\n")
                ->outdent()
                ->write("}\n")
                ->write(sprintf("if ($%s) {\n", $template))
                ->indent()
                ->write(sprintf('$%s->display(', $template))
            ;
            $this->addTemplateArguments($compiler);
            $compiler
                

        }

        $compiler
            ->write('')
            ->string(self::VARARGS_NAME)
            ->raw(' => ')
        ;

        $compiler
            ->raw("\$__varargs__,\n")
            ->outdent()
            ->write("]);\n\n")
            ->write("\$blocks = [];\n\n")
        ;
        if ($compiler->getEnvironment()->isDebug()) {
            $compiler->write("ob_start();\n");
        } else {
            $compiler->write("ob_start(function () { return ''; });\n");
        }
        $compiler
            ->write("try {\n")
            ->indent()
            

->write(" 'index0' => 0,\n")
                ->write(" 'index' => 1,\n")
                ->write(" 'first' => true,\n")
                ->write("];\n")
                ->write("if (is_array(\$context['_seq']) || (is_object(\$context['_seq']) && \$context['_seq'] instanceof \Countable)) {\n")
                ->indent()
                ->write("\$length = count(\$context['_seq']);\n")
                ->write("\$context['loop']['revindex0'] = \$length - 1;\n")
                ->write("\$context['loop']['revindex'] = \$length;\n")
                ->write("\$context['loop']['length'] = \$length;\n")
                ->write("\$context['loop']['last'] = 1 === \$length;\n")
                ->outdent()
                ->write("}\n")
            ;
        }

        $this->loop->setAttribute('else', $this->hasNode('else'));
        $this->loop->setAttribute('with_loop', $this->getAttribute('with_loop'));

        $compiler
            ->write("foreach (\$context['_seq'] as ")
            ->subcompile($this->getNode('key_target'))
            ->raw(' => ')
            

        parent::__construct($nodes, [], $lineno, $tag);
    }

    public function compile(Compiler $compiler): void
    {
        $compiler->addDebugInfo($this);
        for ($i = 0, $count = \count($this->getNode('tests')); $i < $count; $i += 2) {
            if ($i > 0) {
                $compiler
                    ->outdent()
                    ->write('} elseif (')
                ;
            } else {
                $compiler
                    ->write('if (')
                ;
            }

            $compiler
                ->subcompile($this->getNode('tests')->getNode($i))
                ->raw(") {\n")
                

->indent()
            ->write('static $tags = ')->repr(array_filter($tags))->raw(";\n")
            ->write('static $filters = ')->repr(array_filter($filters))->raw(";\n")
            ->write('static $functions = ')->repr(array_filter($functions))->raw(";\n\n")
            ->write("try {\n")
            ->indent()
            ->write("\$this->sandbox->checkSecurity(\n")
            ->indent()
            ->write(!$tags ? "[],\n" : "['".implode("', '", array_keys($tags))."'],\n")
            ->write(!$filters ? "[],\n" : "['".implode("', '", array_keys($filters))."'],\n")
            ->write(!$functions ? "[]\n" : "['".implode("', '", array_keys($functions))."']\n")
            ->outdent()
            ->write(");\n")
            ->outdent()
            ->write("} catch (SecurityError \$e) {\n")
            ->indent()
            ->write("\$e->setSourceContext(\$this->source);\n\n")
            ->write("if (\$e instanceof SecurityNotAllowedTagError && isset(\$tags[\$e->getTagName()])) {\n")
            ->indent()
            ->write("\$e->setTemplateLine(\$tags[\$e->getTagName()]);\n")
            ->outdent()
            ->write("} elseif (\$e instanceof SecurityNotAllowedFilterError && isset(\$filters[\$e->getFilterName()])) {\n")
            ->indent()
            

->subcompile($parent)
                ->raw(', ')
                ->repr($this->getSourceContext()->getName())
                ->raw(', ')
                ->repr($parent->getTemplateLine())
                ->raw(')')
            ;
        }

        $compiler
            ->raw(";\n")
            ->outdent()
            ->write("}\n\n")
        ;
    }

    protected function compileClassHeader(Compiler $compiler)
    {
        $compiler
            ->write("\n\n")
        ;
        if (!$this->getAttribute('index')) {
            $compiler
                

->write("((function () use (\$context, \$blocks) {\n")
            ->indent()
                ->write('$finder = $this->env->getExtension(\'' . NodeExtension::class D '\')->getFinder();')->raw("\n\n")
                ->write('$includeTemplate = $finder->find(')
                        ->subcompile($this->getNode('expr'))
                ->raw(");\n\n")
                ->write('return $this->loadTemplate(')
                    ->raw('$includeTemplate ?? null, ')
                    ->repr($this->getTemplateName())->raw(', ')
                    ->repr($this->getTemplateLine())
                ->raw(");\n")
            ->outdent()
            ->write('})())');
    }
}

->indent();

        if (!$this->hasNode('values')) {
            // remove embedded templates (macros) from the context             $compiler
                ->write(sprintf('$%svars = [];'."\n", $this->varPrefix))
                ->write(sprintf('foreach ($context as $%1$skey => $%1$sval) {'."\n", $this->varPrefix))
                ->indent()
                ->write(sprintf('if (!$%sval instanceof \Twig\Template) {'."\n", $this->varPrefix))
                ->indent()
                ->write(sprintf('$%1$svars[$%1$skey] = $%1$sval;'."\n", $this->varPrefix))
                ->outdent()
                ->write("}\n")
                ->outdent()
                ->write("}\n")
                ->addDebugInfo($this)
                ->write(sprintf('\Symfony\Component\VarDumper\VarDumper::dump($%svars);'."\n", $this->varPrefix));
        } elseif (($values = $this->getNode('values')) && 1 === $values->count()) {
            $compiler
                ->addDebugInfo($this)
                ->write('\Symfony\Component\VarDumper\VarDumper::dump(')
                ->subcompile($values->getNode(0))
                ->raw(");\n");
        }