Report by issues grouped by level and type

src/Psalm/Internal/Cli/Psalm.php

@@ -1262,7 +1262,7 @@ private static function getHelpText(): string
             --output-format=console
                 Changes the output format.
                 Available formats: compact, console, text, emacs, json, pylint, xml, checkstyle, junit, sonarqube,
-                                   github, phpstorm, codeclimate
+                                   github, phpstorm, codeclimate, by-issue-level
 
             --no-progress
                 Disable the progress indicator

src/Psalm/IssueBuffer.php

@@ -17,6 +17,7 @@
 use Psalm\Issue\UnusedPsalmSuppress;
 use Psalm\Plugin\EventHandler\Event\AfterAnalysisEvent;
 use Psalm\Plugin\EventHandler\Event\BeforeAddIssueEvent;
+use Psalm\Report\ByIssueLevelAndTypeReport;
 use Psalm\Report\CheckstyleReport;
 use Psalm\Report\CodeClimateReport;
 use Psalm\Report\CompactReport;
@@ -854,6 +855,10 @@ public static function getOutput(
                 $output = new JsonReport($normalized_data, self::$fixable_issue_counts, $report_options);
                 break;
 
+            case Report::TYPE_BY_ISSUE_LEVEL:
+                $output = new ByIssueLevelAndTypeReport($normalized_data, self::$fixable_issue_counts, $report_options);
+                break;
+
             case Report::TYPE_JSON_SUMMARY:
                 $output = new JsonSummaryReport(
                     $normalized_data,

src/Psalm/Report.php

@@ -29,6 +29,7 @@ abstract class Report
     public const TYPE_SARIF = 'sarif';
     public const TYPE_CODECLIMATE = 'codeclimate';
     public const TYPE_COUNT = 'count';
+    public const TYPE_BY_ISSUE_LEVEL = 'by-issue-level';
 
     /**
      * @var array<int, IssueData>

src/Psalm/Report/ByIssueLevelAndTypeReport.php

@@ -0,0 +1,188 @@
+<?php
+
+namespace Psalm\Report;
+
+use Psalm\Config;
+use Psalm\Internal\Analyzer\DataFlowNodeData;
+use Psalm\Internal\Analyzer\IssueData;
+use Psalm\Report;
+
+use function basename;
+use function get_cfg_var;
+use function ini_get;
+use function strlen;
+use function strtr;
+use function substr;
+use function usort;
+
+final class ByIssueLevelAndTypeReport extends Report
+{
+    /** @var string|null */
+    private $link_format;
+
+    public function create(): string
+    {
+        $this->sortIssuesByLevelAndType();
+
+        $output = <<<HEADING
+|----------------------------------------------------------------------------------------|
+|    Issues have been sorted by level and type. Feature-specific issues and the          |
+|    most serious issues that will always be reported are listed first, with             |
+|    remaining issues in level order. Issues near the top are usually the most serious.  |
+|    Reducing the errorLevel in psalm.xml will suppress output of issues further down    |
+|    this report.                                                                        |
+|                                                                                        |
+|    The level at which issue is reported as an error is given in brackets - e.g.        |
+|    `ERROR (2): MissingReturnType` indicates that MissingReturnType is only reported    |
+|    as an error when Psalm's level is set to 4 or below.                                |
+|                                                                                        |
+|    Issues are shown or hidden in this report according to current settings. For        |
+|    the most complete report set Psalm's error level to 0 or use --show-info=true       |
+|    See https://psalm.dev/docs/running_psalm/error_levels/                              |
+|----------------------------------------------------------------------------------------|
+
+
+HEADING;
+
+        ;
+
+        foreach ($this->issues_data as $issue_data) {
+            $output .= $this->format($issue_data) . "\n" . "\n";
+        }
+
+        return $output;
+    }
+
+    /**
+     * Copied from ConsoleReport with only very minor changes. Todo consider reducing code duplication
+     */
+    private function format(IssueData $issue_data): string
+    {
+        $issue_string = '';
+
+        $is_error = $issue_data->severity === Config::REPORT_ERROR;
+
+        if ($is_error) {
+            $issue_string .= ($this->use_color ? "\e[0;31mERROR\e[0m" : 'ERROR');
+        } else {
+            $issue_string .= 'INFO';
+        }
+
+        $issue_reference = $issue_data->link ? ' (see ' . $issue_data->link . ')' : '';
+
+        $level = $issue_data->error_level;
+        $issue_string .= ($level > 0 ? " ($level): " : ": ")
+            . $issue_data->type
+            . ' - ' . $this->getFileReference($issue_data)
+            . ' - ' . $issue_data->message . $issue_reference . "\n";
+
+
+        if ($issue_data->taint_trace) {
+            $issue_string .= $this->getTaintSnippets($issue_data->taint_trace);
+        } elseif ($this->show_snippet) {
+            $snippet = $issue_data->snippet;
+
+            if (!$this->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 + $selection_start) . "\n";
+            }
+        }
+
+        if ($issue_data->other_references) {
+            if ($this->show_snippet) {
+                $issue_string .= "\n";
+            }
+
+            $issue_string .= $this->getTaintSnippets($issue_data->other_references);
+        }
+
+        return $issue_string;
+    }
+
+    /**
+     * Copied from ConsoleReport unchanged. Todo consider reducing code duplication
+     * @param non-empty-list<DataFlowNodeData|array{label: string, entry_path_type: string}> $taint_trace
+     */
+    private function getTaintSnippets(array $taint_trace): string
+    {
+        $snippets = '';
+
+        foreach ($taint_trace as $node_data) {
+            if ($node_data instanceof DataFlowNodeData) {
+                $snippets .= '  ' . $node_data->label . ' - ' . $this->getFileReference($node_data) . "\n";
+
+                if ($this->show_snippet) {
+                    $snippet = $node_data->snippet;
+
+                    if (!$this->use_color) {
+                        $snippets .= $snippet . "\n\n";
+                    } else {
+                        $selection_start = $node_data->from - $node_data->snippet_from;
+                        $selection_length = $node_data->to - $node_data->from;
+
+                        $snippets .= substr($snippet, 0, $selection_start)
+                            . "\e[30;47m" . substr($snippet, $selection_start, $selection_length)
+                            . "\e[0m" . substr($snippet, $selection_length + $selection_start) . "\n\n";
+                    }
+                }
+            } else {
+                $snippets .= '  ' . $node_data['label'] . "\n";
+                $snippets .= '    <no known location>' . "\n\n";
+            }
+        }
+
+        return $snippets;
+    }
+
+    /**
+     * @param IssueData|DataFlowNodeData $data
+     */
+    private function getFileReference($data): string
+    {
+        $reference = $data->file_name . ':' . $data->line_from . ':' . $data->column_from;
+
+        if (!$this->use_color) {
+            return $reference;
+        }
+
+        $file_basename = basename($data->file_name);
+        $file_path = substr($data->file_name, 0, -strlen($file_basename));
+
+        $reference = $file_path
+            . "\033[1;31m"
+            . $file_basename . ':' . $data->line_from . ':' . $data->column_from
+            . "\033[0m"
+        ;
+
+        if ($this->in_ci) {
+            return $reference;
+        }
+
+        if (null === $this->link_format) {
+            // if xdebug is not enabled, use `get_cfg_var` to get the value directly from php.ini
+            $this->link_format = ini_get('xdebug.file_link_format') ?: get_cfg_var('xdebug.file_link_format')
+                ?: 'file://%f#L%l';
+        }
+
+        $link = strtr($this->link_format, ['%f' => $data->file_path, '%l' => $data->line_from]);
+        // $reference = $data->file_name . ':' . $data->line_from . ':' . $data->column_from;
+
+
+        return "\033]8;;" . $link . "\033\\" . $reference . "\033]8;;\033\\";
+    }
+
+    private function sortIssuesByLevelAndType(): void
+    {
+        usort($this->issues_data, function (IssueData $left, IssueData $right): int {
+
+            return [$left->error_level > 0, -$left->error_level, $left->type] <=>
+                [$right->error_level > 0, -$right->error_level, $right->type];
+        });
+    }
+}

tests/ByIssueLevelAndTypeReportTest.php

@@ -0,0 +1,97 @@
+<?php
+
+namespace Psalm\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Psalm\Internal\Analyzer\IssueData;
+use Psalm\Report\ByIssueLevelAndTypeReport;
+use Psalm\Report\ReportOptions;
+
+class ByIssueLevelAndTypeReportTest extends TestCase
+{
+    public function testItGeneratesReport(): void
+    {
+        $issuesData = [
+            $this->issueData(2, 'SomeLevel2IssueType'),
+            $this->issueData(-1, 'SomeAlwaysReportedIssueType'),
+            $this->issueData(4, 'SomeLevel4IssueType'),
+            $this->issueData(7, 'SomeLevel7IssueType'),
+            $this->issueData(4, 'AnotherLevel4IssueType'),
+            $this->issueData(4, 'SomeLevel4IssueType'), // same issue type as above, will be sorted together
+            $this->issueData(1, 'SomeIssueType'),
+            $this->issueData(-2, 'SomeFeatureSpecificIssueType'),
+        ];
+
+        $reportOptions = new ReportOptions();
+        $reportOptions->use_color = false;
+
+        $report = new ByIssueLevelAndTypeReport($issuesData, [], $reportOptions);
+
+        $this->assertSame(<<<EXPECTED
+|----------------------------------------------------------------------------------------|
+|    Issues have been sorted by level and type. Feature-specific issues and the          |
+|    most serious issues that will always be reported are listed first, with             |
+|    remaining issues in level order. Issues near the top are usually the most serious.  |
+|    Reducing the errorLevel in psalm.xml will suppress output of issues further down    |
+|    this report.                                                                        |
+|                                                                                        |
+|    The level at which issue is reported as an error is given in brackets - e.g.        |
+|    `ERROR (2): MissingReturnType` indicates that MissingReturnType is only reported    |
+|    as an error when Psalm's level is set to 4 or below.                                |
+|                                                                                        |
+|    Issues are shown or hidden in this report according to current settings. For        |
+|    the most complete report set Psalm's error level to 0 or use --show-info=true       |
+|    See https://psalm.dev/docs/running_psalm/error_levels/                              |
+|----------------------------------------------------------------------------------------|
+
+ERROR: SomeAlwaysReportedIssueType - file.php:1:1 - message
+
+
+ERROR: SomeFeatureSpecificIssueType - file.php:1:1 - message
+
+
+ERROR (7): SomeLevel7IssueType - file.php:1:1 - message
+
+
+ERROR (4): AnotherLevel4IssueType - file.php:1:1 - message
+
+
+ERROR (4): SomeLevel4IssueType - file.php:1:1 - message
+
+
+ERROR (4): SomeLevel4IssueType - file.php:1:1 - message
+
+
+ERROR (2): SomeLevel2IssueType - file.php:1:1 - message
+
+
+ERROR (1): SomeIssueType - file.php:1:1 - message
+
+
+
+EXPECTED, $report->create());
+    }
+
+    public function issueData(int $errorLevel, string $type): IssueData
+    {
+        return new IssueData(
+            'error',
+            1,
+            1,
+            $type,
+            'message',
+            'file.php',
+            '/',
+            '',
+            '',
+            1,
+            1,
+            1,
+            1,
+            1,
+            1,
+            0,
+            $errorLevel
+        );
+    }
+}