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272 lines
11 KiB
PHP
272 lines
11 KiB
PHP
<?php
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namespace Psalm\Tests\Internal\Codebase;
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use Psalm\Internal\Analyzer\ProjectAnalyzer;
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use Psalm\Internal\Codebase\InternalCallMapHandler;
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use Psalm\Internal\Codebase\Reflection;
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use Psalm\Internal\Provider\FakeFileProvider;
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use Psalm\Internal\Provider\Providers;
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use Psalm\Internal\Type\Comparator\UnionTypeComparator;
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use Psalm\Internal\Type\TypeParser;
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use Psalm\Tests\Internal\Provider\FakeParserCacheProvider;
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use Psalm\Tests\TestCase;
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use Psalm\Tests\TestConfig;
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use Psalm\Type;
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use ReflectionFunction;
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use ReflectionNamedType;
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use ReflectionParameter;
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class InternalCallMapHandlerTest extends TestCase
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{
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private $ignoredFunctions = [
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'sprintf', 'printf', 'ctype_print', 'date_sunrise' /** deprecated in 8.1 */,
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'ctype_digit', 'ctype_lower', 'ctype_alnum', 'ctype_alpha', 'ctype_cntrl',
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'ctype_graph', 'ctype_lower', 'ctype_print', 'ctype_punct', 'ctype_space', 'ctype_upper',
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'ctype_xdigit', 'file_put_contents', 'sodium_crypto_generichash', 'sodium_crypto_generichash_final',
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'dom_import_simplexml', 'imagegd', 'imagegd2', 'pg_exec', 'mysqli_execute', 'array_multisort',
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'memcache_add_server', 'memcache_cas', 'memcache_pconnect', 'memcache_connect', 'memcache_delete',
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'memcache_replace', 'memcache_append', 'memcache_increment', 'memcache_set_failure_callback', 'memcache_decrement',
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'memcache_set_server_params', 'memcache_get_server_status', 'memcache_prepend', 'memcache_flush'
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];
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/**
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*
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* @var bool whether to skip params for which no definition can be found in the callMap
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*/
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private $skipUndefinedParams = false;
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/**
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* These are items that very likely need updating to PHP8.1
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* @var bool whether to skip params that are specified in the callmap as `resource`
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*/
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private $skipResources = false;
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/**
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* @covers \Psalm\Internal\Codebase\InternalCallMapHandler::getCallMap
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*/
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public function testGetcallmapReturnsAValidCallmap(): void
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{
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$callMap = InternalCallMapHandler::getCallMap();
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self::assertArrayKeysAreStrings($callMap, "Returned CallMap has non-string keys");
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self::assertArrayValuesAreArrays($callMap, "Returned CallMap has non-array values");
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foreach ($callMap as $function => $signature) {
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self::assertArrayKeysAreZeroOrString($signature, "Function " . $function . " in returned CallMap has invalid keys");
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self::assertArrayValuesAreStrings($signature, "Function " . $function . " in returned CallMap has non-string values");
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foreach ($signature as $type) {
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self::assertStringIsParsableType($type, "Function " . $function . " in returned CallMap contains invalid type declaration " . $type);
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}
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}
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}
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public function callMapEntryProvider(): iterable
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{
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$project_analyzer = new ProjectAnalyzer(
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new TestConfig(),
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new Providers(
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new FakeFileProvider(),
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new FakeParserCacheProvider()
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)
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);
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$callMap = InternalCallMapHandler::getCallMap();
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unset($project_analyzer);
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foreach($callMap as $function => $entry) {
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// Skip class methods
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if (strpos($function, '::') !== false || !function_exists($function)) {
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continue;
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}
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if (!str_starts_with($function, 'memcache_')) {
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continue;
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}
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// Skip functions with alternate signatures
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if (isset($callMap["$function'1"]) || preg_match("/\'\d$/", $function)) {
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continue;
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}
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yield "$function: " . json_encode($entry) => [$function, $entry];
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}
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}
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/**
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* This function will test functions that are in the callmap AND currently defined
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* @return void
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* @coversNothing
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* @depends testGetcallmapReturnsAValidCallmap
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* @dataProvider callMapEntryProvider
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*/
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public function testCallMapCompliesWithReflection(string $functionName, array $callMapEntry): void
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{
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if (!function_exists($functionName)) {
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$this->markTestSkipped("Function $functionName does not exist");
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}
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$this->assertEntryIsCorrect($callMapEntry, $functionName);
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}
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private function assertEntryIsCorrect(array $callMapEntry, string $functionName): void
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{
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$rF = new ReflectionFunction($functionName);
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// For now, ignore return types.
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unset($callMapEntry[0]);
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/**
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* Parse the parameter names from the map.
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* @var array<string, array{byRef: bool, refMode: 'rw'|'w', variadic: bool, optional: bool, type: string}
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*/
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$normalizedEntries = [];
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foreach($callMapEntry as $key => $entry) {
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$normalizedKey = $key;
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$normalizedEntry = [
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'variadic' => false,
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'byRef' => false,
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'optional' => false,
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'type' => $entry,
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'name' => $key
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];
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// Strip prefixes.
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if (strncmp($normalizedKey, '&rw_', 4) === 0) {
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$normalizedEntry['byRef'] = true;
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$normalizedEntry['refMode'] = 'rw';
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$normalizedKey = substr($normalizedKey, 4);
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} elseif (strncmp($normalizedKey, '&w_', 3) === 0) {
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$normalizedEntry['byRef'] = true;
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$normalizedEntry['refMode'] = 'w';
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$normalizedKey = substr($normalizedKey, 3);
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}
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if (strncmp($normalizedKey, '...', 3) === 0) {
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$normalizedEntry['variadic'] = true;
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$normalizedKey = substr($normalizedKey, 3);
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}
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if (substr($normalizedKey, -1, 1) === "=") {
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$normalizedEntry['optional'] = true;
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$normalizedKey = substr($normalizedKey, 0, -1);
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}
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$normalizedEntries[$normalizedKey] = $normalizedEntry;
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}
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foreach($rF->getParameters() as $parameter) {
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if ($this->skipUndefinedParams && !isset($normalizedEntries[$parameter->getName()])) {
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continue;
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} else {
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$this->assertArrayHasKey($parameter->getName(), $normalizedEntries);
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}
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$this->assertParameter($normalizedEntries[$parameter->getName()], $parameter, $functionName);
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}
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}
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/**
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*
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* @param array{byRef: bool, refMode: 'rw'|'w', variadic: bool, optional: bool, type: string} $normalizedEntry
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*/
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private function assertParameter(array $normalizedEntry, ReflectionParameter $param, string $functionName): void
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{
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if (in_array($functionName, $this->ignoredFunctions)) {
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$this->markTestSkipped('Function is ignored in config');
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}
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$name = $param->getName();
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// $identifier = "Param $functionName - $name";
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try {
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$this->assertSame($param->isOptional(), $normalizedEntry['optional'], "Expected param '{$name}' to " . ($param->isOptional() ? "be" : "not be") . " optional");
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$this->assertSame($param->isVariadic(), $normalizedEntry['variadic'], "Expected param '{$name}' to " . ($param->isVariadic() ? "be" : "not be") . " variadic");
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$this->assertSame($param->isPassedByReference(), $normalizedEntry['byRef'], "Expected param '{$name}' to " . ($param->isPassedByReference() ? "be" : "not be") . " by reference");
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} catch(\Throwable $t) {
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$this->markTestSkipped($t->getMessage());
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}
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$expectedType = $param->getType();
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if ($expectedType instanceof ReflectionNamedType) {
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$this->assertTypeValidity($expectedType, $normalizedEntry['type'], "Param '{$name}' has incorrect type");
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} else {
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// $this->markTestSkipped('Only simple named types are tested');
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}
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}
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/**
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* Since string equality is too strict, we do some extra checking here
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*/
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private function assertTypeValidity(ReflectionNamedType $reflected, string $specified, string $message): void
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{
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$expectedType = Reflection::getPsalmTypeFromReflectionType($reflected);
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$parsedType = Type::parseString($specified);
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if (UnionTypeComparator::isContainedByInPhp($parsedType, $expectedType)) {
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return;
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}
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// In case reflection returns mixed we assume any type specified in the callmap is more specific and correct
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if ($reflected->getName() === 'mixed') {
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return;
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}
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if ($reflected->getName() === 'callable' && $reflected->allowsNull()
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&& preg_match('/^(null\|callable\(.*\):.*|callable\(.*\):.*\|null)$/', $specified)
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) {
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return;
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}
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// Trim leading namespace separator
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$specified = ltrim($specified, "\\");
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if ($reflected->getName() === 'array' && !$reflected->allowsNull()) {
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if (preg_match('/^(array|list|non-empty-array)(<.*>|{.*})?$/', $specified)
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|| in_array($specified, ['string[]|int[]'])
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) {
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return;
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}
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} elseif($reflected->getName() === 'array') {
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// Optional array
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if (preg_match('/^((array|list|non-empty-array)(<.*>|{.*})?\|null|null\|(array|list|non-empty-array)(<.*>|{.*})?)$/', $specified)) {
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return;
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}
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}
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if ($reflected->getName() === 'float' && in_array($specified, ['int|float', 'float|int'])) {
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return;
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}
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if ($reflected->getName() === 'bool' && in_array($specified, ['true', 'false'])) {
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return;
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}
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if ($reflected->getName() === 'callable' && preg_match('/^callable\(/', $specified)) {
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return;
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}
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if ($reflected->getName() === 'string' && $specified === '?string' && $reflected->allowsNull()) {
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return;
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}
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if ($reflected->getName() === 'string' && in_array($specified , ['class-string', 'numeric-string', 'string'])) {
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return;
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}
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if ($reflected->getName() === 'int' && preg_match('/^(\d+|positive-int|int(<\d+,\d+>))?(\|(\d+|positive-int|int))*$/', $specified)) {
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// in_array($specified , [
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// 'positive-int', 'int', '0|positive-int', '256|512|1024|16384', '1|2|3|4|5|6|7'
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// ])) {
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return;
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}
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if ($reflected->allowsNull()) {
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$escaped = preg_quote($reflected->getName());
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$this->assertMatchesRegularExpression("/^(\?{$escaped}|{$escaped}\|null|null\|{$escaped})$/", $specified, $message);
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return;
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}
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if ($this->skipResources && $specified === 'resource') {
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return;
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}
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$this->assertEqualsIgnoringCase($reflected->getName(), $specified, $message);
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}
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}
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