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psalm/src/Psalm/IssueBuffer.php
2018-06-04 10:19:20 -04:00

539 lines
16 KiB
PHP

<?php
namespace Psalm;
use LSS\Array2XML;
use Psalm\Checker\ProjectChecker;
use Psalm\Issue\ClassIssue;
use Psalm\Issue\CodeIssue;
use Psalm\Issue\MethodIssue;
use Psalm\Issue\PropertyIssue;
class IssueBuffer
{
/**
* @var array<int, array{severity: string, line_from: int, line_to: int, type: string, message: string,
* file_name: string, file_path: string, snippet: string, from: int, to: int,
* snippet_from: int, snippet_to: int, column_from: int, column_to: int}>
*/
protected static $issues_data = [];
/**
* @var array<int, array>
*/
protected static $console_issues = [];
/**
* @var int
*/
protected static $error_count = 0;
/**
* @var array<string, bool>
*/
protected static $emitted = [];
/** @var int */
protected static $recording_level = 0;
/** @var array<int, array<int, CodeIssue>> */
protected static $recorded_issues = [];
/**
* @param CodeIssue $e
* @param array $suppressed_issues
*
* @return bool
*/
public static function accepts(CodeIssue $e, array $suppressed_issues = [])
{
$config = Config::getInstance();
$fqcn_parts = explode('\\', get_class($e));
$issue_type = array_pop($fqcn_parts);
if (in_array($issue_type, $suppressed_issues, true)) {
return false;
}
if (!$config->reportIssueInFile($issue_type, $e->getFilePath())) {
return false;
}
if ($e instanceof ClassIssue
&& $config->getReportingLevelForClass($issue_type, $e->fq_classlike_name) === Config::REPORT_SUPPRESS
) {
return false;
}
if ($e instanceof MethodIssue
&& $config->getReportingLevelForMethod($issue_type, $e->method_id) === Config::REPORT_SUPPRESS
) {
return false;
}
if ($e instanceof PropertyIssue
&& $config->getReportingLevelForProperty($issue_type, $e->property_id) === Config::REPORT_SUPPRESS
) {
return false;
}
$parent_issue_type = self::getParentIssueType($issue_type);
if ($parent_issue_type) {
if (in_array($parent_issue_type, $suppressed_issues, true)) {
return false;
}
if (!$config->reportIssueInFile($parent_issue_type, $e->getFilePath())) {
return false;
}
}
if (self::$recording_level > 0) {
self::$recorded_issues[self::$recording_level][] = $e;
return false;
}
return self::add($e);
}
/**
* @param string $issue_type
* @return string|null
*/
private static function getParentIssueType($issue_type)
{
if (strpos($issue_type, 'Possibly') === 0) {
$stripped_issue_type = preg_replace('/^Possibly(False|Null)?/', '', $issue_type);
if (strpos($stripped_issue_type, 'Invalid') === false && strpos($stripped_issue_type, 'Un') !== 0) {
$stripped_issue_type = 'Invalid' . $stripped_issue_type;
}
return $stripped_issue_type;
}
if (preg_match('/^(False|Null)[A-Z]/', $issue_type)) {
return preg_replace('/^(False|Null)/', 'Invalid', $issue_type);
}
return null;
}
/**
* @param CodeIssue $e
*
* @throws Exception\CodeException
*
* @return bool
*/
public static function add(CodeIssue $e)
{
$config = Config::getInstance();
$fqcn_parts = explode('\\', get_class($e));
$issue_type = array_pop($fqcn_parts);
$project_checker = ProjectChecker::getInstance();
if (!$project_checker->show_issues) {
return false;
}
$error_message = $issue_type . ' - ' . $e->getShortLocation() . ' - ' . $e->getMessage();
$reporting_level = $config->getReportingLevelForFile($issue_type, $e->getFilePath());
$parent_issue_type = self::getParentIssueType($issue_type);
if ($parent_issue_type && $reporting_level === Config::REPORT_ERROR) {
$parent_reporting_level = $config->getReportingLevelForFile($parent_issue_type, $e->getFilePath());
if ($parent_reporting_level !== $reporting_level) {
$reporting_level = $parent_reporting_level;
}
}
if ($reporting_level === Config::REPORT_SUPPRESS) {
return false;
}
if ($reporting_level === Config::REPORT_INFO) {
if ($project_checker->show_info && !self::alreadyEmitted($error_message)) {
self::$issues_data[] = $e->toArray(Config::REPORT_INFO);
}
return false;
}
if ($config->throw_exception) {
throw new Exception\CodeException($error_message);
}
if (!self::alreadyEmitted($error_message)) {
self::$issues_data[] = $e->toArray(Config::REPORT_ERROR);
}
return true;
}
/**
* @param array{severity: string, line_from: int, line_to: int, type: string, message: string,
* file_name: string, file_path: string, snippet: string, from: int, to: int,
* snippet_from: int, snippet_to: int, column_from: int, column_to: int} $issue_data
*
* @return string
*/
protected static function getEmacsOutput(array $issue_data)
{
return $issue_data['file_path'] . ':' . $issue_data['line_from'] . ':' . $issue_data['column_from'] . ':' .
($issue_data['severity'] === Config::REPORT_ERROR ? 'error' : 'warning') . ' - ' . $issue_data['message'];
}
/**
* @param array{severity: string, line_from: int, line_to: int, type: string, message: string,
* file_name: string, file_path: string, snippet: string, from: int, to: int,
* snippet_from: int, snippet_to: int, column_from: int, column_to: int} $issue_data
*
* @return string
*/
protected static function getPylintOutput(array $issue_data)
{
$message = sprintf(
'%s: %s',
$issue_data['type'],
$issue_data['message']
);
if ($issue_data['severity'] === Config::REPORT_ERROR) {
$code = 'E0001';
} else {
$code = 'W0001';
}
// https://docs.pylint.org/en/1.6.0/output.html doesn't mention what to do about 'column',
// but it's still useful for users.
// E.g. jenkins can't parse %s:%d:%d.
$message = sprintf('%s (column %d)', $message, $issue_data['column_from']);
$issue_string = sprintf(
'%s:%d: [%s] %s',
$issue_data['file_name'],
$issue_data['line_from'],
$code,
$message
);
return $issue_string;
}
/**
* @param array{severity: string, line_from: int, line_to: int, type: string, message: string,
* file_name: string, file_path: string, snippet: string, from: int, to: int,
* snippet_from: int, snippet_to: int, column_from: int, column_to: int} $issue_data
* @param bool $include_snippet
* @param bool $use_color
*
* @return string
*/
protected static function getConsoleOutput(array $issue_data, $use_color, $include_snippet = true)
{
$issue_string = '';
$is_error = $issue_data['severity'] === Config::REPORT_ERROR;
if ($is_error) {
$issue_string .= ($use_color ? "\e[0;31mERROR\e[0m" : 'ERROR');
} else {
$issue_string .= 'INFO';
}
$issue_string .= ': ' . $issue_data['type'] . ' - ' . $issue_data['file_name'] . ':' .
$issue_data['line_from'] . ':' . $issue_data['column_from'] . ' - ' . $issue_data['message'] . "\n";
if ($include_snippet) {
$snippet = $issue_data['snippet'];
if (!$use_color) {
$issue_string .= $snippet;
} else {
$selection_start = $issue_data['from'] - $issue_data['snippet_from'];
$selection_length = $issue_data['to'] - $issue_data['from'];
$issue_string .= substr($snippet, 0, $selection_start)
. ($is_error ? "\e[97;41m" : "\e[30;47m") . substr($snippet, $selection_start, $selection_length)
. "\e[0m" . substr($snippet, $selection_length + $selection_start) . "\n";
}
}
return $issue_string;
}
/**
* @return array<int, array{severity: string, line_from: int, type: string, message: string, file_name: string,
* file_path: string, snippet: string, from: int, to: int, snippet_from: int, snippet_to: int, column_from: int,
* column_to: int}>
*/
public static function getIssuesData()
{
return self::$issues_data;
}
/**
* @param array<int, array{severity: string, line_from: int, line_to: int, type: string, message: string,
* file_name: string, file_path: string, snippet: string, from: int, to: int, snippet_from: int,
* snippet_to: int, column_from: int, column_to: int}> $issues_data
*
* @return void
*/
public static function addIssues(array $issues_data)
{
self::$issues_data = array_merge($issues_data, self::$issues_data);
}
/**
* @param ProjectChecker $project_checker
* @param bool $is_full
* @param float $start_time
* @param bool $add_stats
*
* @return void
*/
public static function finish(
ProjectChecker $project_checker,
$is_full,
$start_time,
$add_stats = false
) {
$scanned_files = $project_checker->codebase->scanner->getScannedFiles();
Provider\FileReferenceProvider::updateReferenceCache($project_checker, $scanned_files);
if ($project_checker->output_format === ProjectChecker::TYPE_CONSOLE) {
echo "\n";
}
$error_count = 0;
$info_count = 0;
if (self::$issues_data) {
usort(
self::$issues_data,
/** @return int */
function (array $d1, array $d2) {
if ($d1['file_path'] === $d2['file_path']) {
if ($d1['line_from'] === $d2['line_from']) {
if ($d1['column_from'] === $d2['column_from']) {
return 0;
}
return $d1['column_from'] > $d2['column_from'] ? 1 : -1;
}
return $d1['line_from'] > $d2['line_from'] ? 1 : -1;
}
return $d1['file_path'] > $d2['file_path'] ? 1 : -1;
}
);
foreach (self::$issues_data as $issue_data) {
if ($issue_data['severity'] === Config::REPORT_ERROR) {
++$error_count;
} else {
++$info_count;
}
}
echo self::getOutput(
$project_checker->output_format,
$project_checker->use_color,
$project_checker->show_snippet
);
}
foreach ($project_checker->reports as $format => $path) {
file_put_contents(
$path,
self::getOutput($format, $project_checker->use_color)
);
}
if ($project_checker->output_format === ProjectChecker::TYPE_CONSOLE) {
echo str_repeat('-', 30) . "\n";
if ($error_count) {
echo ($project_checker->use_color
? "\e[0;31m" . $error_count . " errors\e[0m"
: $error_count . ' errors'
) . ' found' . "\n";
} else {
echo 'No errors found!' . "\n";
}
if ($info_count) {
echo str_repeat('-', 30) . "\n";
echo $info_count . ' other issues found.' . "\n"
. 'You can hide them with ' .
($project_checker->use_color
? "\e[30;48;5;195m--show-info=false\e[0m"
: '--show-info=false') . "\n";
}
echo str_repeat('-', 30) . "\n" . "\n";
if ($start_time) {
echo 'Checks took ' . number_format((float)microtime(true) - $start_time, 2) . ' seconds';
echo ' and used ' . number_format(memory_get_peak_usage() / (1024 * 1024), 3) . 'MB of memory' . "\n";
if ($is_full) {
$analysis_summary = $project_checker->codebase->analyzer->getTypeInferenceSummary();
echo $analysis_summary . "\n";
}
if ($add_stats) {
echo '-----------------' . "\n";
echo $project_checker->codebase->analyzer->getNonMixedStats();
echo "\n";
}
}
}
if ($error_count) {
exit(1);
}
if ($is_full && $start_time) {
$project_checker->cache_provider->processSuccessfulRun($start_time);
}
}
/**
* @param string $format
* @param bool $use_color
* @param bool $show_snippet
*
* @return string
*/
public static function getOutput($format, $use_color, $show_snippet = true)
{
if ($format === ProjectChecker::TYPE_JSON) {
return json_encode(self::$issues_data) . "\n";
} elseif ($format === ProjectChecker::TYPE_XML) {
$xml = Array2XML::createXML('report', ['item' => self::$issues_data]);
return $xml->saveXML();
} elseif ($format === ProjectChecker::TYPE_EMACS) {
$output = '';
foreach (self::$issues_data as $issue_data) {
$output .= self::getEmacsOutput($issue_data) . "\n";
}
return $output;
} elseif ($format === ProjectChecker::TYPE_PYLINT) {
$output = '';
foreach (self::$issues_data as $issue_data) {
$output .= self::getPylintOutput($issue_data) . "\n";
}
return $output;
}
$output = '';
foreach (self::$issues_data as $issue_data) {
$output .= self::getConsoleOutput($issue_data, $use_color, $show_snippet) . "\n" . "\n";
}
return $output;
}
/**
* @param string $message
*
* @return bool
*/
protected static function alreadyEmitted($message)
{
$sham = sha1($message);
if (isset(self::$emitted[$sham])) {
return true;
}
self::$emitted[$sham] = true;
return false;
}
/**
* @return void
*/
public static function clearCache()
{
self::$issues_data = [];
self::$emitted = [];
self::$error_count = 0;
self::$recording_level = 0;
self::$recorded_issues = [];
self::$console_issues = [];
}
/**
* @return bool
*/
public static function isRecording()
{
return self::$recording_level > 0;
}
/**
* @return void
*/
public static function startRecording()
{
++self::$recording_level;
self::$recorded_issues[self::$recording_level] = [];
}
/**
* @return void
*/
public static function stopRecording()
{
if (self::$recording_level === 0) {
throw new \UnexpectedValueException('Cannot stop recording - already at base level');
}
--self::$recording_level;
}
/**
* @return array<int, CodeIssue>
*/
public static function clearRecordingLevel()
{
if (self::$recording_level === 0) {
throw new \UnexpectedValueException('Not currently recording');
}
$recorded_issues = self::$recorded_issues[self::$recording_level];
self::$recorded_issues[self::$recording_level] = [];
return $recorded_issues;
}
/**
* @return void
*/
public static function bubbleUp(CodeIssue $e)
{
if (self::$recording_level === 0) {
self::add($e);
return;
}
self::$recorded_issues[self::$recording_level][] = $e;
}
}