forked from vimeo/psalm
/
ProjectAnalyzer.php
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/
ProjectAnalyzer.php
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<?php
namespace Psalm\Internal\Analyzer;
use Amp\Loop;
use InvalidArgumentException;
use LogicException;
use Psalm\Codebase;
use Psalm\Config;
use Psalm\Context;
use Psalm\Exception\RefactorException;
use Psalm\Exception\UnsupportedIssueToFixException;
use Psalm\FileManipulation;
use Psalm\Internal\Codebase\TaintFlowGraph;
use Psalm\Internal\FileManipulation\FileManipulationBuffer;
use Psalm\Internal\LanguageServer\LanguageServer;
use Psalm\Internal\LanguageServer\ProtocolStreamReader;
use Psalm\Internal\LanguageServer\ProtocolStreamWriter;
use Psalm\Internal\MethodIdentifier;
use Psalm\Internal\Provider\ClassLikeStorageProvider;
use Psalm\Internal\Provider\FileProvider;
use Psalm\Internal\Provider\FileReferenceProvider;
use Psalm\Internal\Provider\ParserCacheProvider;
use Psalm\Internal\Provider\ProjectCacheProvider;
use Psalm\Internal\Provider\Providers;
use Psalm\Internal\Provider\StatementsProvider;
use Psalm\Issue\CodeIssue;
use Psalm\Issue\InvalidFalsableReturnType;
use Psalm\Issue\InvalidNullableReturnType;
use Psalm\Issue\InvalidReturnType;
use Psalm\Issue\LessSpecificReturnType;
use Psalm\Issue\MismatchingDocblockParamType;
use Psalm\Issue\MismatchingDocblockReturnType;
use Psalm\Issue\MissingClosureReturnType;
use Psalm\Issue\MissingParamType;
use Psalm\Issue\MissingPropertyType;
use Psalm\Issue\MissingReturnType;
use Psalm\Issue\ParamNameMismatch;
use Psalm\Issue\PossiblyUndefinedGlobalVariable;
use Psalm\Issue\PossiblyUndefinedVariable;
use Psalm\Issue\PossiblyUnusedMethod;
use Psalm\Issue\PossiblyUnusedProperty;
use Psalm\Issue\RedundantCast;
use Psalm\Issue\RedundantCastGivenDocblockType;
use Psalm\Issue\UnnecessaryVarAnnotation;
use Psalm\Issue\UnusedMethod;
use Psalm\Issue\UnusedProperty;
use Psalm\Issue\UnusedVariable;
use Psalm\Plugin\EventHandler\Event\AfterCodebasePopulatedEvent;
use Psalm\Progress\Progress;
use Psalm\Progress\VoidProgress;
use Psalm\Report;
use Psalm\Report\ReportOptions;
use Psalm\Type;
use ReflectionProperty;
use RuntimeException;
use UnexpectedValueException;
use function array_combine;
use function array_diff;
use function array_fill_keys;
use function array_filter;
use function array_keys;
use function array_map;
use function array_merge;
use function array_shift;
use function clearstatcache;
use function cli_set_process_title;
use function count;
use function defined;
use function dirname;
use function end;
use function explode;
use function extension_loaded;
use function file_exists;
use function file_get_contents;
use function filter_var;
use function function_exists;
use function fwrite;
use function implode;
use function in_array;
use function ini_get;
use function is_dir;
use function is_file;
use function is_int;
use function is_readable;
use function is_string;
use function microtime;
use function mkdir;
use function number_format;
use function pcntl_fork;
use function preg_match;
use function rename;
use function shell_exec;
use function stream_set_blocking;
use function stream_socket_accept;
use function stream_socket_client;
use function stream_socket_server;
use function strlen;
use function strpos;
use function strtolower;
use function substr;
use function substr_count;
use function trim;
use function usort;
use function version_compare;
use const FILTER_VALIDATE_INT;
use const PHP_EOL;
use const PHP_OS;
use const PHP_VERSION;
use const PSALM_VERSION;
use const STDERR;
use const STDIN;
use const STDOUT;
/**
* @internal
*/
class ProjectAnalyzer
{
/**
* Cached config
*
* @var Config
*/
private $config;
/**
* @var self
*/
public static $instance;
/**
* An object representing everything we know about the code
*
* @var Codebase
*/
private $codebase;
/** @var FileProvider */
private $file_provider;
/** @var ClassLikeStorageProvider */
private $classlike_storage_provider;
/** @var ?ParserCacheProvider */
private $parser_cache_provider;
/** @var ?ProjectCacheProvider */
public $project_cache_provider;
/** @var FileReferenceProvider */
private $file_reference_provider;
/**
* @var Progress
*/
public $progress;
/**
* @var bool
*/
public $debug_lines = false;
/**
* @var bool
*/
public $debug_performance = false;
/**
* @var bool
*/
public $show_issues = true;
/** @var int */
public $threads;
/**
* @var array<string, bool>
*/
private $issues_to_fix = [];
/**
* @var bool
*/
public $dry_run = false;
/**
* @var bool
*/
public $full_run = false;
/**
* @var bool
*/
public $only_replace_php_types_with_non_docblock_types = false;
/**
* @var ?int
*/
public $onchange_line_limit;
/**
* @var bool
*/
public $provide_completion = false;
/**
* @var list<string>
*/
public $check_paths_files = [];
/**
* @var array<string,string>
*/
private $project_files = [];
/**
* @var array<string,string>
*/
private $extra_files = [];
/**
* @var array<string, string>
*/
private $to_refactor = [];
/**
* @var ?ReportOptions
*/
public $stdout_report_options;
/**
* @var array<ReportOptions>
*/
public $generated_report_options;
/**
* @var array<int, class-string<CodeIssue>>
*/
private const SUPPORTED_ISSUES_TO_FIX = [
InvalidFalsableReturnType::class,
InvalidNullableReturnType::class,
InvalidReturnType::class,
LessSpecificReturnType::class,
MismatchingDocblockParamType::class,
MismatchingDocblockReturnType::class,
MissingClosureReturnType::class,
MissingParamType::class,
MissingPropertyType::class,
MissingReturnType::class,
ParamNameMismatch::class,
PossiblyUndefinedGlobalVariable::class,
PossiblyUndefinedVariable::class,
PossiblyUnusedMethod::class,
PossiblyUnusedProperty::class,
RedundantCast::class,
RedundantCastGivenDocblockType::class,
UnusedMethod::class,
UnusedProperty::class,
UnusedVariable::class,
UnnecessaryVarAnnotation::class,
];
/**
* When this is true, the language server will send the diagnostic code with a help link.
*
* @var bool
*/
public $language_server_use_extended_diagnostic_codes = false;
/**
* If this is true then the language server will send log messages to the client with additional information.
*
* @var bool
*/
public $language_server_verbose = false;
/**
* @param array<ReportOptions> $generated_report_options
*/
public function __construct(
Config $config,
Providers $providers,
?ReportOptions $stdout_report_options = null,
array $generated_report_options = [],
int $threads = 1,
?Progress $progress = null
) {
if ($progress === null) {
$progress = new VoidProgress();
}
$this->parser_cache_provider = $providers->parser_cache_provider;
$this->project_cache_provider = $providers->project_cache_provider;
$this->file_provider = $providers->file_provider;
$this->classlike_storage_provider = $providers->classlike_storage_provider;
$this->file_reference_provider = $providers->file_reference_provider;
$this->progress = $progress;
$this->threads = $threads;
$this->config = $config;
$this->clearCacheDirectoryIfConfigOrComposerLockfileChanged();
$this->codebase = new Codebase(
$config,
$providers,
$progress
);
$this->stdout_report_options = $stdout_report_options;
$this->generated_report_options = $generated_report_options;
$this->config->processPluginFileExtensions($this);
$file_extensions = $this->config->getFileExtensions();
foreach ($this->config->getProjectDirectories() as $dir_name) {
$file_paths = $this->file_provider->getFilesInDir(
$dir_name,
$file_extensions,
[$this->config, 'isInProjectDirs']
);
foreach ($file_paths as $file_path) {
$this->addProjectFile($file_path);
}
}
foreach ($this->config->getExtraDirectories() as $dir_name) {
$file_paths = $this->file_provider->getFilesInDir(
$dir_name,
$file_extensions,
[$this->config, 'isInExtraDirs']
);
foreach ($file_paths as $file_path) {
$this->addExtraFile($file_path);
}
}
foreach ($this->config->getProjectFiles() as $file_path) {
$this->addProjectFile($file_path);
}
self::$instance = $this;
}
private function clearCacheDirectoryIfConfigOrComposerLockfileChanged(): void
{
$cache_directory = $this->config->getCacheDirectory();
if ($cache_directory === null) {
return;
}
if ($this->project_cache_provider
&& $this->project_cache_provider->hasLockfileChanged()
) {
// we only clear the cache if it actually exists
// if it's not populated yet, we don't clear anything but populate the cache instead
clearstatcache(true, $cache_directory);
if (is_dir($cache_directory)) {
$this->progress->debug(
'Composer lockfile change detected, clearing cache directory ' . $cache_directory . "\n"
);
Config::removeCacheDirectory($cache_directory);
}
if ($this->file_reference_provider->cache) {
$this->file_reference_provider->cache->hasConfigChanged();
}
$this->project_cache_provider->updateComposerLockHash();
} elseif ($this->file_reference_provider->cache
&& $this->file_reference_provider->cache->hasConfigChanged()
) {
clearstatcache(true, $cache_directory);
if (is_dir($cache_directory)) {
$this->progress->debug(
'Config change detected, clearing cache directory ' . $cache_directory . "\n"
);
Config::removeCacheDirectory($cache_directory);
}
if ($this->project_cache_provider) {
$this->project_cache_provider->hasLockfileChanged();
}
}
}
/**
* @param array<string> $report_file_paths
* @return list<ReportOptions>
*/
public static function getFileReportOptions(array $report_file_paths, bool $show_info = true): array
{
$report_options = [];
$mapping = [
'checkstyle.xml' => Report::TYPE_CHECKSTYLE,
'sonarqube.json' => Report::TYPE_SONARQUBE,
'codeclimate.json' => Report::TYPE_CODECLIMATE,
'summary.json' => Report::TYPE_JSON_SUMMARY,
'junit.xml' => Report::TYPE_JUNIT,
'.xml' => Report::TYPE_XML,
'.json' => Report::TYPE_JSON,
'.txt' => Report::TYPE_TEXT,
'.emacs' => Report::TYPE_EMACS,
'.pylint' => Report::TYPE_PYLINT,
'.console' => Report::TYPE_CONSOLE,
'.sarif' => Report::TYPE_SARIF,
'count.txt' => Report::TYPE_COUNT,
];
foreach ($report_file_paths as $report_file_path) {
foreach ($mapping as $extension => $type) {
if (substr($report_file_path, -strlen($extension)) === $extension) {
$o = new ReportOptions();
$o->format = $type;
$o->show_info = $show_info;
$o->output_path = $report_file_path;
$o->use_color = false;
$report_options[] = $o;
continue 2;
}
}
throw new UnexpectedValueException('Unknown report format ' . $report_file_path);
}
return $report_options;
}
private function visitAutoloadFiles(): void
{
$start_time = microtime(true);
$this->config->visitComposerAutoloadFiles($this, $this->progress);
$now_time = microtime(true);
$this->progress->debug(
'Visiting autoload files took ' . number_format($now_time - $start_time, 3) . 's' . "\n"
);
}
public function server(?string $address = '127.0.0.1:12345', bool $socket_server_mode = false): void
{
$this->visitAutoloadFiles();
$this->codebase->diff_methods = true;
$this->file_reference_provider->loadReferenceCache();
$this->codebase->enterServerMode();
if (ini_get('pcre.jit') === '1'
&& PHP_OS === 'Darwin'
&& version_compare(PHP_VERSION, '7.3.0') >= 0
&& version_compare(PHP_VERSION, '7.4.0') < 0
) {
// do nothing
} else {
$cpu_count = self::getCpuCount();
// let's not go crazy
$usable_cpus = $cpu_count - 2;
if ($usable_cpus > 1) {
$this->threads = $usable_cpus;
}
}
$this->config->initializePlugins($this);
foreach ($this->config->getProjectDirectories() as $dir_name) {
$this->checkDirWithConfig($dir_name, $this->config);
}
@cli_set_process_title('Psalm ' . PSALM_VERSION . ' - PHP Language Server');
if (!$socket_server_mode && $address) {
// Connect to a TCP server
$socket = stream_socket_client('tcp://' . $address, $errno, $errstr);
if ($socket === false) {
fwrite(STDERR, "Could not connect to language client. Error $errno\n$errstr");
exit(1);
}
stream_set_blocking($socket, false);
new LanguageServer(
new ProtocolStreamReader($socket),
new ProtocolStreamWriter($socket),
$this
);
Loop::run();
} elseif ($socket_server_mode && $address) {
// Run a TCP Server
$tcpServer = stream_socket_server('tcp://' . $address, $errno, $errstr);
if ($tcpServer === false) {
fwrite(STDERR, "Could not listen on $address. Error $errno\n$errstr");
exit(1);
}
fwrite(STDOUT, "Server listening on $address\n");
$fork_available = true;
if (!extension_loaded('pcntl')) {
fwrite(STDERR, "PCNTL is not available. Only a single connection will be accepted\n");
$fork_available = false;
}
$disabled_functions = array_map('trim', explode(',', ini_get('disable_functions')));
if (in_array('pcntl_fork', $disabled_functions)) {
fwrite(
STDERR,
"pcntl_fork() is disabled by php configuration (disable_functions directive)."
. " Only a single connection will be accepted\n"
);
$fork_available = false;
}
while ($socket = stream_socket_accept($tcpServer, -1)) {
fwrite(STDOUT, "Connection accepted\n");
stream_set_blocking($socket, false);
if ($fork_available) {
// If PCNTL is available, fork a child process for the connection
// An exit notification will only terminate the child process
$pid = pcntl_fork();
if ($pid === -1) {
fwrite(STDERR, "Could not fork\n");
exit(1);
}
if ($pid === 0) {
// Child process
$reader = new ProtocolStreamReader($socket);
$reader->on(
'close',
static function (): void {
fwrite(STDOUT, "Connection closed\n");
}
);
new LanguageServer(
$reader,
new ProtocolStreamWriter($socket),
$this
);
// Just for safety
exit(0);
}
} else {
// If PCNTL is not available, we only accept one connection.
// An exit notification will terminate the server
new LanguageServer(
new ProtocolStreamReader($socket),
new ProtocolStreamWriter($socket),
$this
);
Loop::run();
}
}
} else {
// Use STDIO
stream_set_blocking(STDIN, false);
new LanguageServer(
new ProtocolStreamReader(STDIN),
new ProtocolStreamWriter(STDOUT),
$this
);
Loop::run();
}
}
/** @psalm-mutation-free */
public static function getInstance(): ProjectAnalyzer
{
/** @psalm-suppress ImpureStaticProperty */
return self::$instance;
}
/** @psalm-mutation-free */
public function canReportIssues(string $file_path): bool
{
return isset($this->project_files[$file_path]);
}
private function generatePHPVersionMessage(): string
{
$codebase = $this->codebase;
$version = $codebase->getMajorAnalysisPhpVersion() . '.' . $codebase->getMinorAnalysisPhpVersion();
switch ($codebase->php_version_source) {
case 'cli':
$source = '(set by CLI argument)';
break;
case 'config':
$source = '(set by config file)';
break;
case 'composer':
$source = '(inferred from composer.json)';
break;
case 'tests':
$source = '(set by tests)';
break;
case 'runtime':
$source = '(inferred from current PHP version)';
break;
}
return "Target PHP version: $version $source Extensions enabled: "
. implode(", ", array_keys(array_filter($codebase->config->php_extensions))) . " (unsupported extensions: "
. implode(", ", array_keys($codebase->config->php_extensions_not_supported)) . ")\n";
}
public function check(string $base_dir, bool $is_diff = false): void
{
$start_checks = (int)microtime(true);
if (!$base_dir) {
throw new InvalidArgumentException('Cannot work with empty base_dir');
}
$diff_files = null;
$deleted_files = null;
$this->full_run = true;
$reference_cache = $this->file_reference_provider->loadReferenceCache(true);
$this->codebase->diff_methods = $is_diff;
if ($is_diff
&& $reference_cache
&& $this->project_cache_provider
&& $this->project_cache_provider->canDiffFiles()
) {
$deleted_files = $this->file_reference_provider->getDeletedReferencedFiles();
$diff_files = [...$deleted_files, ...$this->getDiffFiles()];
}
$this->progress->write($this->generatePHPVersionMessage());
$this->progress->startScanningFiles();
$diff_no_files = false;
if ($diff_files === null
|| $deleted_files === null
|| count($diff_files) > 200
) {
$this->config->visitPreloadedStubFiles($this->codebase, $this->progress);
$this->visitAutoloadFiles();
$this->codebase->scanner->addFilesToShallowScan($this->extra_files);
$this->codebase->scanner->addFilesToDeepScan($this->project_files);
$this->codebase->analyzer->addFilesToAnalyze($this->project_files);
$this->config->initializePlugins($this);
$this->codebase->scanFiles($this->threads);
$this->codebase->infer_types_from_usage = true;
} else {
$this->progress->debug(count($diff_files) . ' changed files: ' . "\n");
$this->progress->debug(' ' . implode("\n ", $diff_files) . "\n");
$this->codebase->analyzer->addFilesToShowResults($this->project_files);
if ($diff_files) {
$file_list = $this->getReferencedFilesFromDiff($diff_files);
// strip out deleted files
$file_list = array_diff($file_list, $deleted_files);
if ($file_list) {
$this->config->visitPreloadedStubFiles($this->codebase, $this->progress);
$this->visitAutoloadFiles();
$this->checkDiffFilesWithConfig($this->config, $file_list);
$this->config->initializePlugins($this);
$this->codebase->scanFiles($this->threads);
} else {
$diff_no_files = true;
}
} else {
$diff_no_files = true;
}
}
if (!$diff_no_files) {
$this->config->visitStubFiles($this->codebase, $this->progress);
$event = new AfterCodebasePopulatedEvent($this->codebase);
$this->config->eventDispatcher->dispatchAfterCodebasePopulated($event);
}
$this->progress->startAnalyzingFiles();
$this->codebase->analyzer->analyzeFiles(
$this,
$this->threads,
$this->codebase->alter_code,
true
);
if ($this->parser_cache_provider && !$is_diff) {
$removed_parser_files = $this->parser_cache_provider->deleteOldParserCaches($start_checks);
if ($removed_parser_files) {
$this->progress->debug('Removed ' . $removed_parser_files . ' old parser caches' . "\n");
}
}
}
public function consolidateAnalyzedData(): void
{
$this->codebase->classlikes->consolidateAnalyzedData(
$this->codebase->methods,
$this->progress,
(bool)$this->codebase->find_unused_code
);
}
public function trackTaintedInputs(): void
{
$this->codebase->taint_flow_graph = new TaintFlowGraph();
}
public function trackUnusedSuppressions(): void
{
$this->codebase->track_unused_suppressions = true;
}
public function interpretRefactors(): void
{
if (!$this->codebase->alter_code) {
throw new UnexpectedValueException('Should not be checking references');
}
// interpret wildcards
foreach ($this->to_refactor as $source => $destination) {
if (($source_pos = strpos($source, '*'))
&& ($destination_pos = strpos($destination, '*'))
&& $source_pos === (strlen($source) - 1)
&& $destination_pos === (strlen($destination) - 1)
) {
foreach ($this->codebase->classlike_storage_provider->getAll() as $class_storage) {
if (strpos($source, substr($class_storage->name, 0, $source_pos)) === 0) {
$this->to_refactor[$class_storage->name]
= substr($destination, 0, -1) . substr($class_storage->name, $source_pos);
}
}
unset($this->to_refactor[$source]);
}
}
foreach ($this->to_refactor as $source => $destination) {
$source_parts = explode('::', $source);
$destination_parts = explode('::', $destination);
if (!$this->codebase->classlikes->hasFullyQualifiedClassName($source_parts[0])) {
throw new RefactorException(
'Source class ' . $source_parts[0] . ' doesn’t exist'
);
}
if (count($source_parts) === 1 && count($destination_parts) === 1) {
if ($this->codebase->classlikes->hasFullyQualifiedClassName($destination_parts[0])) {
throw new RefactorException(
'Destination class ' . $destination_parts[0] . ' already exists'
);
}
$source_class_storage = $this->codebase->classlike_storage_provider->get($source_parts[0]);
$destination_parts = explode('\\', $destination, -1);
$destination_ns = implode('\\', $destination_parts);
$this->codebase->classes_to_move[strtolower($source)] = $destination;
$destination_class_storage = $this->codebase->classlike_storage_provider->create($destination);
$destination_class_storage->name = $destination;
if ($source_class_storage->aliases) {
$destination_class_storage->aliases = clone $source_class_storage->aliases;
$destination_class_storage->aliases->namespace = $destination_ns;
}
$destination_class_storage->location = $source_class_storage->location;
$destination_class_storage->stmt_location = $source_class_storage->stmt_location;
$destination_class_storage->populated = true;
$this->codebase->class_transforms[strtolower($source)] = $destination;
continue;
}
$source_method_id = new MethodIdentifier(
$source_parts[0],
strtolower($source_parts[1])
);
if ($this->codebase->methods->methodExists($source_method_id)) {
if ($this->codebase->methods->methodExists(
new MethodIdentifier(
$destination_parts[0],
strtolower($destination_parts[1])
)
)) {
throw new RefactorException(
'Destination method ' . $destination . ' already exists'
);
}
if (!$this->codebase->classlikes->classExists($destination_parts[0])) {
throw new RefactorException(
'Destination class ' . $destination_parts[0] . ' doesn’t exist'
);
}
$source_lc = strtolower($source);
if (strtolower($source_parts[0]) !== strtolower($destination_parts[0])) {
$source_method_storage = $this->codebase->methods->getStorage($source_method_id);
$destination_class_storage
= $this->codebase->classlike_storage_provider->get($destination_parts[0]);
if (!$source_method_storage->is_static
&& !isset(
$destination_class_storage->parent_classes[strtolower($source_method_id->fq_class_name)]
)
) {
throw new RefactorException(
'Cannot move non-static method ' . $source
. ' into unrelated class ' . $destination_parts[0]
);
}
$this->codebase->methods_to_move[$source_lc]= $destination;
} else {
$this->codebase->methods_to_rename[$source_lc] = $destination_parts[1];
}
$this->codebase->call_transforms[$source_lc . '\((.*\))'] = $destination . '($1)';
continue;
}
if ($source_parts[1][0] === '$') {
if ($destination_parts[1][0] !== '$') {
throw new RefactorException(
'Destination property must be of the form Foo::$bar'
);
}
if (!$this->codebase->properties->propertyExists($source, true)) {
throw new RefactorException(
'Property ' . $source . ' does not exist'
);
}
if ($this->codebase->properties->propertyExists($destination, true)) {
throw new RefactorException(
'Destination property ' . $destination . ' already exists'
);
}
if (!$this->codebase->classlikes->classExists($destination_parts[0])) {
throw new RefactorException(
'Destination class ' . $destination_parts[0] . ' doesn’t exist'
);
}
$source_id = strtolower($source_parts[0]) . '::' . $source_parts[1];
if (strtolower($source_parts[0]) !== strtolower($destination_parts[0])) {
$source_storage = $this->codebase->properties->getStorage($source);
if (!$source_storage->is_static) {
throw new RefactorException(
'Cannot move non-static property ' . $source
);
}
$this->codebase->properties_to_move[$source_id] = $destination;
} else {
$this->codebase->properties_to_rename[$source_id] = substr($destination_parts[1], 1);
}
$this->codebase->property_transforms[$source_id] = $destination;
continue;
}
$source_class_constants = $this->codebase->classlikes->getConstantsForClass(
$source_parts[0],
ReflectionProperty::IS_PRIVATE
);
if (isset($source_class_constants[$source_parts[1]])) {
if (!$this->codebase->classlikes->hasFullyQualifiedClassName($destination_parts[0])) {
throw new RefactorException(
'Destination class ' . $destination_parts[0] . ' doesn’t exist'
);
}
$destination_class_constants = $this->codebase->classlikes->getConstantsForClass(
$destination_parts[0],
ReflectionProperty::IS_PRIVATE
);
if (isset($destination_class_constants[$destination_parts[1]])) {
throw new RefactorException(
'Destination constant ' . $destination . ' already exists'
);
}
$source_id = strtolower($source_parts[0]) . '::' . $source_parts[1];
if (strtolower($source_parts[0]) !== strtolower($destination_parts[0])) {
$this->codebase->class_constants_to_move[$source_id] = $destination;
} else {
$this->codebase->class_constants_to_rename[$source_id] = $destination_parts[1];
}
$this->codebase->class_constant_transforms[$source_id] = $destination;
continue;
}
throw new RefactorException(
'Psalm cannot locate ' . $source
);
}
}
public function prepareMigration(): void
{
if (!$this->codebase->alter_code) {
throw new UnexpectedValueException('Should not be checking references');
}
$this->codebase->classlikes->moveMethods(
$this->codebase->methods,
$this->progress
);
$this->codebase->classlikes->moveProperties(
$this->codebase->properties,
$this->progress
);
$this->codebase->classlikes->moveClassConstants(
$this->progress
);
}
public function migrateCode(): void
{
if (!$this->codebase->alter_code) {
throw new UnexpectedValueException('Should not be checking references');
}
$migration_manipulations = FileManipulationBuffer::getMigrationManipulations(
$this->codebase->file_provider
);
if ($migration_manipulations) {
foreach ($migration_manipulations as $file_path => $file_manipulations) {
usort(
$file_manipulations,
static function (FileManipulation $a, FileManipulation $b): int {
if ($a->start === $b->start) {
if ($b->end === $a->end) {
return $b->insertion_text > $a->insertion_text ? 1 : -1;
}
return $b->end > $a->end ? 1 : -1;
}
return $b->start > $a->start ? 1 : -1;
}
);
$existing_contents = $this->codebase->file_provider->getContents($file_path);
foreach ($file_manipulations as $manipulation) {
$existing_contents = $manipulation->transform($existing_contents);
}
$this->codebase->file_provider->setContents($file_path, $existing_contents);
}
}
if ($this->codebase->classes_to_move) {
foreach ($this->codebase->classes_to_move as $source => $destination) {
$source_class_storage = $this->codebase->classlike_storage_provider->get($source);
if (!$source_class_storage->location) {