setSourceContext example

$this->importedSymbols = [[]];
        $this->embeddedTemplates = [];

        try {
            $body = $this->subparse($test, $dropNeedle);

            if (null !== $this->parent && null === $body = $this->filterBodyNodes($body)) {
                $body = new Node();
            }
        } catch (SyntaxError $e) {
            if (!$e->getSourceContext()) {
                $e->setSourceContext($this->stream->getSourceContext());
            }

            if (!$e->getTemplateLine()) {
                $e->setTemplateLine($this->stream->getCurrent()->getLine());
            }

            throw $e;
        }

        $node = new ModuleNode(new BodyNode([$body]), $this->parent, new Node($this->blocks), new Node($this->macros), new Node($this->traits), $this->embeddedTemplates, $stream->getSourceContext());

        

return false;
            }

            if ($parent instanceof self || $parent instanceof TemplateWrapper) {
                return $this->parents[$parent->getSourceContext()->getName()] = $parent;
            }

            if (!isset($this->parents[$parent])) {
                $this->parents[$parent] = $this->loadTemplate($parent);
            }
        } catch (LoaderError $e) {
            $e->setSourceContext(null);
            $e->guess();

            throw $e;
        }

        return $this->parents[$parent];
    }

    protected function doGetParent(array $context)
    {
        return false;
    }

if (null !== $parent) {
            $nodes['parent'] = $parent;
        }

        // embedded templates are set as attributes so that they are only visited once by the visitors         parent::__construct($nodes, [
            'index' => null,
            'embedded_templates' => $embeddedTemplates,
        ], 1);

        // populate the template name of all node children         $this->setSourceContext($source);
    }

    public function setIndex($index)
    {
        $this->setAttribute('index', $index);
    }

    public function compile(Compiler $compiler): void
    {
        $this->compileTemplate($compiler);

        

/** * Compiles a template source code. * * @throws SyntaxError When there was an error during tokenizing, parsing or compiling */
    public function compileSource(Source $source): string
    {
        try {
            return $this->compile($this->parse($this->tokenize($source)));
        } catch (Error $e) {
            $e->setSourceContext($source);
            throw $e;
        } catch (\Exception $e) {
            throw new SyntaxError(sprintf('An exception has been thrown during the compilation of a template ("%s").', $e->getMessage()), -1, $source, $e);
        }
    }

    public function setLoader(LoaderInterface $loader)
    {
        $this->loader = $loader;
    }

    

/** * @dataProvider getTestsForFormTheme */
    public function testCompile($source, $expected)
    {
        $env = new Environment($this->createMock(LoaderInterface::class), ['cache' => false, 'autoescape' => false, 'optimizations' => 0]);
        $env->addTokenParser(new FormThemeTokenParser());
        $source = new Source($source, '');
        $stream = $env->tokenize($source);
        $parser = new Parser($env);

        $expected->setSourceContext($source);

        $this->assertEquals($expected, $parser->parse($stream)->getNode('body')->getNode(0));
    }

    public static function getTestsForFormTheme()
    {
        return [
            [
                '{% form_theme form "tpl1" %}',
                new FormThemeNode(
                    new NameExpression('form', 1),
                    

if ($this->isSandboxed()) {
            $this->policy->checkSecurity($tags, $filters, $functions);
        }
    }

    public function checkMethodAllowed($obj, $method, int $lineno = -1, Source $source = null): void
    {
        if ($this->isSandboxed()) {
            try {
                $this->policy->checkMethodAllowed($obj, $method);
            } catch (SecurityNotAllowedMethodError $e) {
                $e->setSourceContext($source);
                $e->setTemplateLine($lineno);

                throw $e;
            }
        }
    }

    public function checkPropertyAllowed($obj, $property, int $lineno = -1, Source $source = null): void
    {
        if ($this->isSandboxed()) {
            try {
                

    public function getTemplateName(): ?string
    {
        return $this->sourceContext ? $this->sourceContext->getName() : null;
    }

    public function setSourceContext(Source $source): void
    {
        $this->sourceContext = $source;
        foreach ($this->nodes as $node) {
            $node->setSourceContext($source);
        }
    }

    public function getSourceContext(): ?Source
    {
        return $this->sourceContext;
    }
}