10000 [VarDumper] Fix `Cannot instantiate abstract class on (...)` by event15 · Pull Request #43652 · symfony/symfony · GitHub
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[VarDumper] Fix Cannot instantiate abstract class on (...) #43652

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[VarDumper] Fix Cannot instantiate abstract class on (...) #43652

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d3f4a0f
[VarDumper] Fix `Cannot instantiate abstract class on (...)` in `Exce…
event15 Oct 22, 2021
1c757e8
[Validator] Fix typos in Latvian translations
k0d3r1s Oct 21, 2021
0fbf726
[VarDumper] Fix `Cannot instantiate abstract class on (...)` in `Exce…
event15 Oct 22, 2021
405d5ec
[VarDumper] Fix `Cannot instantiate abstract class on (...)` in `Exce…
event15 Oct 22, 2021
975d4ef
Merge remote-tracking branch 'origin/ticket_27921' into ticket_27921
event15 Oct 22, 2021
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[VarDumper] Fix Cannot instantiate abstract class on (...) in `Exce… 
…ptionCaster`
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@event15
event15 committed Oct 22, 2021
commit d3f4a0f74a666fc11748cbc5a8da810913ced990
28 changes: 17 additions & 11 deletions src/Symfony/Component/VarDumper/Caster/ExceptionCaster.php
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Original file line number Diff line number Diff line change
Expand Up @@ -214,18 +214,24 @@ public static function castFrameStub(FrameStub $frame, array $a, Stub $stub, $is

if (file_exists($f['file']) && 0 <= self::$srcContext) {
if (!empty($f['class']) && (is_subclass_of($f['class'], 'Twig\Template') || is_subclass_of($f['class'], 'Twig_Template')) && method_exists($f['class'], 'getDebugInfo')) {
$template = $f['object'] ?? unserialize(sprintf('O:%d:"%s":0:{}', \strlen($f['class']), $f['class']));

$ellipsis = 0;
$templateSrc = method_exists($template, 'getSourceContext') ? $template->getSourceContext()->getCode() : (method_exists($template, 'getSource') ? $template->getSource() : '');
$templateInfo = $template->getDebugInfo();
if (isset($templateInfo[$f['line']])) {
$template = null;
if (isset($f['object'])) {
$template = $f['object'];
} elseif ((new \ReflectionClass($f['class']))->isInstantiable()) {
$template = unserialize(sprintf('O:%d:"%s":0:{}', strlen($f['class']), $f['class']));
}
if (isset($template)) {
$ellipsis = 0;
$templateSrc = method_exists($template, 'getSourceContext') ? $template->getSourceContext()->getCode() : (method_exists($template, 'getSource') ? $template->getSource() : '');
$templateInfo = $template->getDebugInfo();
if (isset($templateInfo[$f['line']])) {
if (!method_exists($template, 'getSourceContext') || !file_exists($templatePath = $template->getSourceContext()->getPath())) {
$templatePath = null;
}
if ($templateSrc) {
$src = self::extractSource($templateSrc, $templateInfo[$f['line']], self::$srcContext, 'twig', $templatePath, $f);
$srcKey = ($templatePath ?: $template->getTemplateName()).':'.$templateInfo[$f['line']];
$templatePath = null;
}
if ($templateSrc) {
$src = self::extractSource($templateSrc, $templateInfo[$f['line']], self::$srcContext, 'twig', $templatePath, $f);
$srcKey = ($templatePath ?: $template->getTemplateName()) . ':' . $templateInfo[$f['line']];
}
}
}
}
Expand Down
55 changes: 42 additions & 13 deletions src/Symfony/Component/VarDumper/Tests/Caster/ExceptionCasterTest.php
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Expand Up @@ -15,7 +15,9 @@
use Symfony\Component\VarDumper\Caster\Caster;
use Symfony\Component\VarDumper\Caster\ExceptionCaster;
use Symfony\Component\VarDumper\Caster\FrameStub;
use Symfony\Component\VarDumper\Caster\TraceStub;
use Symfony\Component\VarDumper\Cloner\VarCloner;
use Symfony\Component\VarDumper\Dumper\CliDumper;
use Symfony\Component\VarDumper\Dumper\HtmlDumper;
use Symfony\Component\VarDumper\Test\VarDumperTestTrait;

Expand Down Expand Up @@ -44,15 +46,15 @@ public function testDefaultSettings()
#message: "foo"
#code: 0
#file: "%sExceptionCasterTest.php"
#line: 28
#line: %d
trace: {
%s%eTests%eCaster%eExceptionCasterTest.php:28 {
%s%eTests%eCaster%eExceptionCasterTest.php:%d {
Symfony\Component\VarDumper\Tests\Caster\ExceptionCasterTest->getTestException($msg, &$ref = null)
› {
› return new \Exception(''.$msg);
› }
}
%s%eTests%eCaster%eExceptionCasterTest.php:40 { …}
%s%eTests%eCaster%eExceptionCasterTest.php:%d { …}
%A
EODUMP;

Expand All @@ -66,13 +68,13 @@ public function testSeek()

$expectedDump = <<<'EODUMP'
{
%s%eTests%eCaster%eExceptionCasterTest.php:28 {
%s%eTests%eCaster%eExceptionCasterTest.php:%d {
Symfony\Component\VarDumper\Tests\Caster\ExceptionCasterTest->getTestException($msg, &$ref = null)
› {
› return new \Exception(''.$msg);
› }
}
%s%eTests%eCaster%eExceptionCasterTest.php:65 { …}
%s%eTests%eCaster%eExceptionCasterTest.php:%d { …}
%A
EODUMP;

Expand All @@ -89,15 +91,15 @@ public function testNoArgs()
#message: "1"
#code: 0
#file: "%sExceptionCasterTest.php"
#line: 28
#line: %d
trace: {
%sExceptionCasterTest.php:28 {
%sExceptionCasterTest.php:%d {
Symfony\Component\VarDumper\Tests\Caster\ExceptionCasterTest->getTestException($msg, &$ref = null)
› {
› return new \Exception(''.$msg);
› }
}
%s%eTests%eCaster%eExceptionCasterTest.php:84 { …}
%s%eTests%eCaster%eExceptionCasterTest.php:%d { …}
%A
EODUMP;

Expand All @@ -114,16 +116,43 @@ public function testNoSrcContext()
#message: "1"
#code: 0
#file: "%sExceptionCasterTest.php"
#line: 28
#line: %d
trace: {
%s%eTests%eCaster%eExceptionCasterTest.php:28
%s%eTests%eCaster%eExceptionCasterTest.php:%d
%s%eTests%eCaster%eExceptionCasterTest.php:%d
%A
EODUMP;

$this->assertDumpMatchesFormat($expectedDump, $e);
}

public function testShouldReturnTraceForConcreteTwigWithError()
{
require_once \dirname(__DIR__).'/Fixtures/ConcreteBug.php';

$cloner = new VarCloner();
$innerExc = (new \__TwigTemplate_VarDumperFixture_concreteBug(null, __FILE__))->provideError();
$nestingWrapper = new \stdClass();
$nestingWrapper->trace = new TraceStub($innerExc->getTrace());

$dumper = new CliDumper();
$dump = $dumper->dump($cloner->cloneVar($nestingWrapper)->withRefHandles(false), true);
$expectedDump = <<<'EODUMP'
{
+"trace": {
%sConcreteBug.php:%d {
__TwigTemplate_VarDumperFixture_abstractBug->provideError()
› {
› return $this->createError();
› }
}
%sExceptionCasterTest.php:%d { …}
%A
EODUMP;

$this->assertStringMatchesFormat($expectedDump, $dump);
}

public function testHtmlDump()
{
if (ini_get('xdebug.file_link_format') || get_cfg_var('xdebug.file_link_format')) {
Expand All @@ -146,10 +175,10 @@ public function testHtmlDump()
#<span class=sf-dump-protected title="Protected property">code</span>: <span class=sf-dump-num>0</span>
#<span class=sf-dump-protected title="Protected property">file</span>: "<span class=sf-dump-str title="%sExceptionCasterTest.php
%d characters"><span class="sf-dump-ellipsis sf-dump-ellipsis-path">%s%eVarDumper</span><span class="sf-dump-ellipsis sf-dump-ellipsis-path">%e</span>Tests%eCaster%eExceptionCasterTest.php</span>"
#<span class=sf-dump-protected title="Protected property">line</span>: <span class=sf-dump-num>28</span>
#<span class=sf-dump-protected title="Protected property">line</span>: <span class=sf-dump-num>%d</span>
<span class=sf-dump-meta>trace</span>: {<samp>
<span class=sf-dump-meta title="%sExceptionCasterTest.php
Stack level %d."><span class="sf-dump-ellipsis sf-dump-ellipsis-path">%s%eVarDumper</span><span class="sf-dump-ellipsis sf-dump-ellipsis-path">%e</span>Tests%eCaster%eExceptionCasterTest.php</span>:<span class=sf-dump-num>28</span>
Stack level %d."><span class="sf-dump-ellipsis sf-dump-ellipsis-path">%s%eVarDumper</span><span class="sf-dump-ellipsis sf-dump-ellipsis-path">%e</span>Tests%eCaster%eExceptionCasterTest.php</span>:<span class=sf-dump-num>%d</span>
&hellip;%d
</samp>}
</samp>}
Expand Down Expand Up @@ -221,7 +250,7 @@ public function testExcludeVerbosity()
#message: "foo"
#code: 0
#file: "%sExceptionCasterTest.php"
#line: 28
#line: %d
}
EODUMP;

Expand Down
57 changes: 57 additions & 0 deletions src/Symfony/Component/VarDumper/Tests/Fixtures/ConcreteBug.php
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@@ -0,0 +1,57 @@
<?php

abstract class __TwigTemplate_VarDumperFixture_abstractBug extends \Twig\Template
{
private function createError()
{
return new \RuntimeException('Manually triggered error.');
}

public function provideError()
{
return $this->createError();
}
}

/* foo_abstract.twig */
class __TwigTemplate_VarDumperFixture_concreteBug extends __TwigTemplate_VarDumperFixture_abstractBug
{
public function __construct(Twig\Environment $env = null, $path = null)
{
if (null !== $env) {
parent::__construct($env);
}
$this->parent = false;
$this->blocks = [];
$this->path = $path;
}

/**
* @inheritDoc
*/
public function getTemplateName()
{
}

/**
* @inheritDoc
*/
public function getDebugInfo()
{
}

/**
* @inheritDoc
*/
public function getSourceContext()
{
return new Twig\Source(" foo bar\n twig source\n\n", 'foo_abstract.twig', $this->path ?: __FILE__);
}

/**
* @inheritDoc
*/
protected function doDisplay(array $context, array $blocks = [])
{
}
}
0