allow using more than 8G of memory in psalter

src/Psalm/Internal/Cli/Psalm.php

@@ -57,10 +57,8 @@
 use function implode;
 use function in_array;
 use function ini_get;
-use function ini_set;
 use function is_array;
 use function is_numeric;
-use function is_scalar;
 use function is_string;
 use function json_encode;
 use function max;
@@ -189,7 +187,7 @@ public static function run(array $argv): void
 
         self::validateCliArguments($args);
 
-        self::setMemoryLimit($options);
+        CliUtils::setMemoryLimit($options);
 
         self::syncShortOptions($options);
 
@@ -462,29 +460,6 @@ static function (string $arg): void {
         );
     }
 
-    /**
-     * @param array<string,string|false|list<mixed>> $options
-     */
-    private static function setMemoryLimit(array $options): void
-    {
-        if (!array_key_exists('use-ini-defaults', $options)) {
-            ini_set('display_errors', 'stderr');
-            ini_set('display_startup_errors', '1');
-
-            $memoryLimit = (8 * 1_024 * 1_024 * 1_024);
-
-            if (array_key_exists('memory-limit', $options)) {
-                $memoryLimit = $options['memory-limit'];
-
-                if (!is_scalar($memoryLimit)) {
-                    throw new ConfigException('Invalid memory limit specified.');
-                }
-            }
-
-            ini_set('memory_limit', (string) $memoryLimit);
-        }
-    }
-
     /**
      * @param array<int, string> $args
      */

src/Psalm/Internal/Cli/Psalter.php

@@ -43,7 +43,6 @@
 use function getopt;
 use function implode;
 use function in_array;
-use function ini_set;
 use function is_array;
 use function is_dir;
 use function is_numeric;
@@ -89,6 +88,7 @@ final class Psalter
         'add-newline-between-docblock-annotations:',
         'no-cache',
         'no-progress',
+        'memory-limit:',
     ];
 
     /** @param array<int,string> $argv */
@@ -100,15 +100,15 @@ public static function run(array $argv): void
 
         ErrorHandler::install($argv);
 
-        self::setMemoryLimit();
-
         $args = array_slice($argv, 1);
 
         // get options from command line
         $options = getopt(implode('', self::SHORT_OPTIONS), self::LONG_OPTIONS);
 
         self::validateCliArguments($args);
 
+        CliUtils::setMemoryLimit($options);
+
         self::syncShortOptions($options);
 
         if (isset($options['c']) && is_array($options['c'])) {
@@ -442,15 +442,6 @@ public static function run(array $argv): void
         IssueBuffer::finish($project_analyzer, false, $start_time);
     }
 
-    private static function setMemoryLimit(): void
-    {
-        $memLimit = CliUtils::getMemoryLimitInBytes();
-        // Magic number is 4096M in bytes
-        if ($memLimit > 0 && $memLimit < 8 * 1_024 * 1_024 * 1_024) {
-            ini_set('memory_limit', (string) (8 * 1_024 * 1_024 * 1_024));
-        }
-    }
-
     /** @param array<int,string> $args */
     private static function validateCliArguments(array $args): void
     {

src/Psalm/Internal/CliUtils.php

@@ -14,8 +14,8 @@
 use RuntimeException;
 
 use function array_filter;
+use function array_key_exists;
 use function array_slice;
-use function assert;
 use function count;
 use function define;
 use function dirname;
@@ -27,21 +27,20 @@
 use function fwrite;
 use function implode;
 use function in_array;
-use function ini_get;
+use function ini_set;
 use function is_array;
 use function is_dir;
+use function is_scalar;
 use function is_string;
 use function json_decode;
 use function preg_last_error_msg;
-use function preg_match;
 use function preg_replace;
 use function preg_split;
 use function realpath;
 use function stream_get_meta_data;
 use function stream_set_blocking;
 use function strlen;
 use function strpos;
-use function strtoupper;
 use function substr;
 use function substr_replace;
 use function trim;
@@ -446,38 +445,27 @@ public static function getPathToConfig(array $options): ?string
     }
 
     /**
-     * @psalm-pure
+     * @param array<string,string|false|list<mixed>> $options
+     * @throws ConfigException
      */
-    public static function getMemoryLimitInBytes(): int
+    public static function setMemoryLimit(array $options): void
     {
-        return self::convertMemoryLimitToBytes(ini_get('memory_limit'));
-    }
+        if (!array_key_exists('use-ini-defaults', $options)) {
+            ini_set('display_errors', 'stderr');
+            ini_set('display_startup_errors', '1');
 
-    /** @psalm-pure */
-    public static function convertMemoryLimitToBytes(string $limit): int
-    {
-        // for unlimited = -1
-        if ($limit < 0) {
-            return -1;
-        }
+            $memoryLimit = (8 * 1_024 * 1_024 * 1_024);
+
+            if (array_key_exists('memory-limit', $options)) {
+                $memoryLimit = $options['memory-limit'];
 
-        if (preg_match('/^(\d+)(\D?)$/', $limit, $matches)) {
-            assert(isset($matches[1]));
-            $limit = (int)$matches[1];
-            switch (strtoupper($matches[2] ?? '')) {
-                case 'G':
-                    $limit *= 1_024 * 1_024 * 1_024;
-                    break;
-                case 'M':
-                    $limit *= 1_024 * 1_024;
-                    break;
-                case 'K':
-                    $limit *= 1_024;
-                    break;
+                if (!is_scalar($memoryLimit)) {
+                    throw new ConfigException('Invalid memory limit specified.');
+                }
             }
-        }
 
-        return (int)$limit;
+            ini_set('memory_limit', (string) $memoryLimit);
+        }
     }
 
     public static function initPhpVersion(array $options, Config $config, ProjectAnalyzer $project_analyzer): void