1999 lines
63 KiB
PHP
Executable File
1999 lines
63 KiB
PHP
Executable File
#!/usr/bin/env php
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<?php declare(strict_types=1);
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// This is a copy of the gen_stub.php from the PHP build scripts, modified to
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// generate macros that we can abstract across versions of PHP
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use PhpParser\Comment\Doc as DocComment;
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use PhpParser\Node;
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use PhpParser\Node\Expr;
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use PhpParser\Node\Name;
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use PhpParser\Node\Stmt;
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use PhpParser\Node\Stmt\Class_;
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use PhpParser\PrettyPrinter\Standard;
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use PhpParser\PrettyPrinterAbstract;
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error_reporting(E_ALL);
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/**
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* @return FileInfo[]
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*/
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function processDirectory(string $dir, Context $context): array {
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$fileInfos = [];
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$it = new RecursiveIteratorIterator(
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new RecursiveDirectoryIterator($dir),
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RecursiveIteratorIterator::LEAVES_ONLY
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);
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foreach ($it as $file) {
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$pathName = $file->getPathName();
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if (preg_match('/\.stub\.php$/', $pathName)) {
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$fileInfo = processStubFile($pathName, $context);
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if ($fileInfo) {
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$fileInfos[] = $fileInfo;
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}
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}
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}
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return $fileInfos;
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}
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function processStubFile(string $stubFile, Context $context): ?FileInfo {
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try {
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if (!file_exists($stubFile)) {
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throw new Exception("File $stubFile does not exist");
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}
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$arginfoFile = str_replace('.stub.php', '_arginfo.h', $stubFile);
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$legacyFile = str_replace('.stub.php', '_legacy_arginfo.h', $stubFile);
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$stubCode = file_get_contents($stubFile);
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$stubHash = computeStubHash($stubCode);
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$oldStubHash = extractStubHash($arginfoFile);
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if ($stubHash === $oldStubHash && !$context->forceParse) {
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/* Stub file did not change, do not regenerate. */
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return null;
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}
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initPhpParser();
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$fileInfo = parseStubFile($stubCode);
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$arginfoCode = generateArgInfoCode($fileInfo, $stubHash, $context->minimalArgInfo);
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if (($context->forceRegeneration || $stubHash !== $oldStubHash) && file_put_contents($arginfoFile, $arginfoCode)) {
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echo "Saved $arginfoFile\n";
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}
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if ($fileInfo->generateLegacyArginfo) {
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foreach ($fileInfo->getAllFuncInfos() as $funcInfo) {
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$funcInfo->discardInfoForOldPhpVersions();
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}
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$arginfoCode = generateArgInfoCode($fileInfo, $stubHash, $context->minimalArgInfo);
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if (($context->forceRegeneration || $stubHash !== $oldStubHash) && file_put_contents($legacyFile, $arginfoCode)) {
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echo "Saved $legacyFile\n";
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}
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}
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return $fileInfo;
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} catch (Exception $e) {
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echo "In $stubFile:\n{$e->getMessage()}\n";
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exit(1);
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}
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}
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function computeStubHash(string $stubCode): string {
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return sha1(str_replace("\r\n", "\n", $stubCode));
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}
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function extractStubHash(string $arginfoFile): ?string {
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if (!file_exists($arginfoFile)) {
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return null;
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}
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$arginfoCode = file_get_contents($arginfoFile);
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if (!preg_match('/\* Stub hash: ([0-9a-f]+) \*/', $arginfoCode, $matches)) {
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return null;
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}
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return $matches[1];
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}
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class Context {
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/** @var bool */
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public $forceParse = false;
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/** @var bool */
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public $forceRegeneration = false;
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/** @var bool */
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public $minimalArgInfo = false;
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}
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class SimpleType {
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/** @var string */
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public $name;
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/** @var bool */
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public $isBuiltin;
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public function __construct(string $name, bool $isBuiltin) {
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$this->name = $name;
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$this->isBuiltin = $isBuiltin;
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}
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public static function fromNode(Node $node): SimpleType {
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if ($node instanceof Node\Name) {
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if ($node->toLowerString() === 'static') {
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// PHP internally considers "static" a builtin type.
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return new SimpleType($node->toString(), true);
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}
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assert($node->isFullyQualified());
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return new SimpleType($node->toString(), false);
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}
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if ($node instanceof Node\Identifier) {
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return new SimpleType($node->toString(), true);
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}
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throw new Exception("Unexpected node type");
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}
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public static function fromPhpDoc(string $type): SimpleType
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{
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switch (strtolower($type)) {
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case "void":
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case "null":
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case "false":
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case "bool":
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case "int":
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case "float":
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case "string":
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case "array":
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case "iterable":
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case "object":
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case "resource":
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case "mixed":
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case "self":
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case "static":
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return new SimpleType(strtolower($type), true);
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}
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if (strpos($type, "[]") !== false) {
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return new SimpleType("array", true);
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}
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return new SimpleType($type, false);
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}
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public static function null(): SimpleType
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{
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return new SimpleType("null", true);
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}
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public static function void(): SimpleType
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{
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return new SimpleType("void", true);
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}
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public function isNull(): bool {
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return $this->isBuiltin && $this->name === 'null';
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}
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public function toTypeCode(): string {
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assert($this->isBuiltin);
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switch (strtolower($this->name)) {
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case "bool":
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return "_IS_BOOL";
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case "int":
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return "IS_LONG";
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case "float":
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return "IS_DOUBLE";
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case "string":
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return "IS_STRING";
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case "array":
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return "IS_ARRAY";
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case "object":
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return "IS_OBJECT";
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case "void":
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return "IS_VOID";
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case "callable":
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return "IS_CALLABLE";
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case "iterable":
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return "IS_ITERABLE";
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case "mixed":
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return "IS_MIXED";
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case "static":
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return "IS_STATIC";
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default:
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throw new Exception("Not implemented: $this->name");
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}
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}
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public function toTypeMask() {
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assert($this->isBuiltin);
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switch (strtolower($this->name)) {
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case "null":
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return "MAY_BE_NULL";
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case "false":
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return "MAY_BE_FALSE";
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case "bool":
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return "MAY_BE_BOOL";
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case "int":
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return "MAY_BE_LONG";
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case "float":
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return "MAY_BE_DOUBLE";
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case "string":
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return "MAY_BE_STRING";
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case "array":
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return "MAY_BE_ARRAY";
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case "object":
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return "MAY_BE_OBJECT";
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case "callable":
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return "MAY_BE_CALLABLE";
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case "mixed":
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return "MAY_BE_ANY";
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case "static":
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return "MAY_BE_STATIC";
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default:
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throw new Exception("Not implemented: $this->name");
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}
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}
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public function toEscapedName(): string {
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return str_replace('\\', '\\\\', $this->name);
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}
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public function equals(SimpleType $other) {
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return $this->name === $other->name
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&& $this->isBuiltin === $other->isBuiltin;
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}
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}
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class Type {
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/** @var SimpleType[] $types */
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public $types;
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public function __construct(array $types) {
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$this->types = $types;
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}
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public static function fromNode(Node $node): Type {
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if ($node instanceof Node\UnionType) {
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return new Type(array_map(['SimpleType', 'fromNode'], $node->types));
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}
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if ($node instanceof Node\NullableType) {
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return new Type([
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SimpleType::fromNode($node->type),
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SimpleType::null(),
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]);
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}
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return new Type([SimpleType::fromNode($node)]);
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}
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public static function fromPhpDoc(string $phpDocType) {
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$types = explode("|", $phpDocType);
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$simpleTypes = [];
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foreach ($types as $type) {
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$simpleTypes[] = SimpleType::fromPhpDoc($type);
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}
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return new Type($simpleTypes);
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}
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public function isNullable(): bool {
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foreach ($this->types as $type) {
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if ($type->isNull()) {
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return true;
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}
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}
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return false;
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}
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public function getWithoutNull(): Type {
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return new Type(array_filter($this->types, function(SimpleType $type) {
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return !$type->isNull();
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}));
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}
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public function tryToSimpleType(): ?SimpleType {
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$withoutNull = $this->getWithoutNull();
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if (count($withoutNull->types) === 1) {
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return $withoutNull->types[0];
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}
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return null;
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}
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public function toArginfoType(): ?ArginfoType {
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$classTypes = [];
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$builtinTypes = [];
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foreach ($this->types as $type) {
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if ($type->isBuiltin) {
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$builtinTypes[] = $type;
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} else {
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$classTypes[] = $type;
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}
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}
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return new ArginfoType($classTypes, $builtinTypes);
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}
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public static function equals(?Type $a, ?Type $b): bool {
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if ($a === null || $b === null) {
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return $a === $b;
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}
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if (count($a->types) !== count($b->types)) {
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return false;
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}
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for ($i = 0; $i < count($a->types); $i++) {
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if (!$a->types[$i]->equals($b->types[$i])) {
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return false;
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}
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}
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return true;
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}
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public function __toString() {
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if ($this->types === null) {
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return 'mixed';
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}
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return implode('|', array_map(
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function ($type) { return $type->name; },
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$this->types)
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);
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}
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}
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class ArginfoType {
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/** @var ClassType[] $classTypes */
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public $classTypes;
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/** @var SimpleType[] $builtinTypes */
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private $builtinTypes;
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public function __construct(array $classTypes, array $builtinTypes) {
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$this->classTypes = $classTypes;
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$this->builtinTypes = $builtinTypes;
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}
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public function hasClassType(): bool {
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return !empty($this->classTypes);
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}
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public function toClassTypeString(): string {
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return implode('|', array_map(function(SimpleType $type) {
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return $type->toEscapedName();
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}, $this->classTypes));
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}
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public function toTypeMask(): string {
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if (empty($this->builtinTypes)) {
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return '0';
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}
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return implode('|', array_map(function(SimpleType $type) {
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return $type->toTypeMask();
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}, $this->builtinTypes));
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}
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}
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class ArgInfo {
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const SEND_BY_VAL = 0;
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const SEND_BY_REF = 1;
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const SEND_PREFER_REF = 2;
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/** @var string */
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public $name;
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/** @var int */
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public $sendBy;
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/** @var bool */
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public $isVariadic;
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/** @var Type|null */
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public $type;
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/** @var Type|null */
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public $phpDocType;
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/** @var string|null */
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public $defaultValue;
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public function __construct(string $name, int $sendBy, bool $isVariadic, ?Type $type, ?Type $phpDocType, ?string $defaultValue) {
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$this->name = $name;
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$this->sendBy = $sendBy;
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$this->isVariadic = $isVariadic;
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$this->type = $type;
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$this->phpDocType = $phpDocType;
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$this->defaultValue = $defaultValue;
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}
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public function equals(ArgInfo $other): bool {
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return $this->name === $other->name
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&& $this->sendBy === $other->sendBy
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&& $this->isVariadic === $other->isVariadic
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&& Type::equals($this->type, $other->type)
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&& $this->defaultValue === $other->defaultValue;
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}
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public function getSendByString(): string {
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switch ($this->sendBy) {
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case self::SEND_BY_VAL:
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return "0";
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case self::SEND_BY_REF:
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return "1";
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case self::SEND_PREFER_REF:
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return "ZEND_SEND_PREFER_REF";
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}
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throw new Exception("Invalid sendBy value");
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}
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public function getMethodSynopsisType(): Type {
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if ($this->type) {
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return $this->type;
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}
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if ($this->phpDocType) {
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return $this->phpDocType;
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}
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throw new Exception("A parameter must have a type");
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}
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public function hasProperDefaultValue(): bool {
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return $this->defaultValue !== null && $this->defaultValue !== "UNKNOWN";
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}
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public function getDefaultValueAsArginfoString(): string {
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if ($this->hasProperDefaultValue()) {
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return '"' . addslashes($this->defaultValue) . '"';
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}
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return "NULL";
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}
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public function getDefaultValueAsMethodSynopsisString(): ?string {
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if ($this->defaultValue === null) {
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return null;
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}
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switch ($this->defaultValue) {
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case 'UNKNOWN':
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return null;
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case 'false':
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case 'true':
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case 'null':
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return "&{$this->defaultValue};";
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}
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return $this->defaultValue;
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}
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}
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interface FunctionOrMethodName {
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public function getDeclaration(): string;
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public function getArgInfoName(): string;
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public function getMethodSynopsisFilename(): string;
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public function __toString(): string;
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public function isMethod(): bool;
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public function isConstructor(): bool;
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public function isDestructor(): bool;
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}
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class FunctionName implements FunctionOrMethodName {
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/** @var Name */
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private $name;
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public function __construct(Name $name) {
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$this->name = $name;
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}
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public function getNamespace(): ?string {
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if ($this->name->isQualified()) {
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return $this->name->slice(0, -1)->toString();
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}
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return null;
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}
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public function getNonNamespacedName(): string {
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if ($this->name->isQualified()) {
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throw new Exception("Namespaced name not supported here");
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}
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return $this->name->toString();
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}
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public function getDeclarationName(): string {
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return $this->name->getLast();
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}
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public function getDeclaration(): string {
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return "ZEND_FUNCTION({$this->getDeclarationName()});\n";
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}
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public function getArgInfoName(): string {
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$underscoreName = implode('_', $this->name->parts);
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return "arginfo_$underscoreName";
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}
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public function getMethodSynopsisFilename(): string {
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return implode('_', $this->name->parts);
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}
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public function __toString(): string {
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return $this->name->toString();
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}
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public function isMethod(): bool {
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return false;
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}
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public function isConstructor(): bool {
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return false;
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}
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public function isDestructor(): bool {
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return false;
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}
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}
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class MethodName implements FunctionOrMethodName {
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/** @var Name */
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private $className;
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/** @var string */
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public $methodName;
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public function __construct(Name $className, string $methodName) {
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$this->className = $className;
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$this->methodName = $methodName;
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}
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public function getDeclarationClassName(): string {
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return implode('_', $this->className->parts);
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}
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public function getDeclaration(): string {
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return "ZEND_METHOD({$this->getDeclarationClassName()}, $this->methodName);\n";
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}
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public function getArgInfoName(): string {
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return "arginfo_class_{$this->getDeclarationClassName()}_{$this->methodName}";
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}
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public function getMethodSynopsisFilename(): string {
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return $this->getDeclarationClassName() . "_{$this->methodName}";
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}
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public function __toString(): string {
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return "$this->className::$this->methodName";
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}
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public function isMethod(): bool {
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return true;
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}
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public function isConstructor(): bool {
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return $this->methodName === "__construct";
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}
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public function isDestructor(): bool {
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return $this->methodName === "__destruct";
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}
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}
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class ReturnInfo {
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/** @var bool */
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public $byRef;
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/** @var Type|null */
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public $type;
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/** @var Type|null */
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public $phpDocType;
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public function __construct(bool $byRef, ?Type $type, ?Type $phpDocType) {
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$this->byRef = $byRef;
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$this->type = $type;
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$this->phpDocType = $phpDocType;
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}
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public function equals(ReturnInfo $other): bool {
|
|
return $this->byRef === $other->byRef
|
|
&& Type::equals($this->type, $other->type);
|
|
}
|
|
|
|
public function getMethodSynopsisType(): ?Type {
|
|
return $this->type ?? $this->phpDocType;
|
|
}
|
|
}
|
|
|
|
class FuncInfo {
|
|
/** @var FunctionOrMethodName */
|
|
public $name;
|
|
/** @var int */
|
|
public $classFlags;
|
|
/** @var int */
|
|
public $flags;
|
|
/** @var string|null */
|
|
public $aliasType;
|
|
/** @var FunctionName|null */
|
|
public $alias;
|
|
/** @var bool */
|
|
public $isDeprecated;
|
|
/** @var bool */
|
|
public $verify;
|
|
/** @var ArgInfo[] */
|
|
public $args;
|
|
/** @var ReturnInfo */
|
|
public $return;
|
|
/** @var int */
|
|
public $numRequiredArgs;
|
|
/** @var string|null */
|
|
public $cond;
|
|
|
|
public function __construct(
|
|
FunctionOrMethodName $name,
|
|
int $classFlags,
|
|
int $flags,
|
|
?string $aliasType,
|
|
?FunctionOrMethodName $alias,
|
|
bool $isDeprecated,
|
|
bool $verify,
|
|
array $args,
|
|
ReturnInfo $return,
|
|
int $numRequiredArgs,
|
|
?string $cond
|
|
) {
|
|
$this->name = $name;
|
|
$this->classFlags = $classFlags;
|
|
$this->flags = $flags;
|
|
$this->aliasType = $aliasType;
|
|
$this->alias = $alias;
|
|
$this->isDeprecated = $isDeprecated;
|
|
$this->verify = $verify;
|
|
$this->args = $args;
|
|
$this->return = $return;
|
|
$this->numRequiredArgs = $numRequiredArgs;
|
|
$this->cond = $cond;
|
|
}
|
|
|
|
public function isMethod(): bool
|
|
{
|
|
return $this->name->isMethod();
|
|
}
|
|
|
|
public function isFinalMethod(): bool
|
|
{
|
|
return ($this->flags & Class_::MODIFIER_FINAL) || ($this->classFlags & Class_::MODIFIER_FINAL);
|
|
}
|
|
|
|
public function isInstanceMethod(): bool
|
|
{
|
|
return !($this->flags & Class_::MODIFIER_STATIC) && $this->isMethod() && !$this->name->isConstructor();
|
|
}
|
|
|
|
/** @return string[] */
|
|
public function getModifierNames(): array
|
|
{
|
|
if (!$this->isMethod()) {
|
|
return [];
|
|
}
|
|
|
|
$result = [];
|
|
|
|
if ($this->flags & Class_::MODIFIER_FINAL) {
|
|
$result[] = "final";
|
|
} elseif ($this->flags & Class_::MODIFIER_ABSTRACT && $this->classFlags & ~Class_::MODIFIER_ABSTRACT) {
|
|
$result[] = "abstract";
|
|
}
|
|
|
|
if ($this->flags & Class_::MODIFIER_PROTECTED) {
|
|
$result[] = "protected";
|
|
} elseif ($this->flags & Class_::MODIFIER_PRIVATE) {
|
|
$result[] = "private";
|
|
} else {
|
|
$result[] = "public";
|
|
}
|
|
|
|
if ($this->flags & Class_::MODIFIER_STATIC) {
|
|
$result[] = "static";
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
public function hasParamWithUnknownDefaultValue(): bool
|
|
{
|
|
foreach ($this->args as $arg) {
|
|
if ($arg->defaultValue && !$arg->hasProperDefaultValue()) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
public function equalsApartFromName(FuncInfo $other): bool {
|
|
if (count($this->args) !== count($other->args)) {
|
|
return false;
|
|
}
|
|
|
|
for ($i = 0; $i < count($this->args); $i++) {
|
|
if (!$this->args[$i]->equals($other->args[$i])) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return $this->return->equals($other->return)
|
|
&& $this->numRequiredArgs === $other->numRequiredArgs
|
|
&& $this->cond === $other->cond;
|
|
}
|
|
|
|
public function getArgInfoName(): string {
|
|
return $this->name->getArgInfoName();
|
|
}
|
|
|
|
public function getDeclarationKey(): string
|
|
{
|
|
$name = $this->alias ?? $this->name;
|
|
|
|
return "$name|$this->cond";
|
|
}
|
|
|
|
public function getDeclaration(): ?string
|
|
{
|
|
if ($this->flags & Class_::MODIFIER_ABSTRACT) {
|
|
return null;
|
|
}
|
|
|
|
$name = $this->alias ?? $this->name;
|
|
|
|
return $name->getDeclaration();
|
|
}
|
|
|
|
public function getFunctionEntry(): string {
|
|
if ($this->name instanceof MethodName) {
|
|
if ($this->alias) {
|
|
if ($this->alias instanceof MethodName) {
|
|
return sprintf(
|
|
"\tZEND_MALIAS(%s, %s, %s, %s, %s)\n",
|
|
$this->alias->getDeclarationClassName(), $this->name->methodName,
|
|
$this->alias->methodName, $this->getArgInfoName(), $this->getFlagsAsArginfoString()
|
|
);
|
|
} else if ($this->alias instanceof FunctionName) {
|
|
return sprintf(
|
|
"\tZEND_ME_MAPPING(%s, %s, %s, %s)\n",
|
|
$this->name->methodName, $this->alias->getNonNamespacedName(),
|
|
$this->getArgInfoName(), $this->getFlagsAsArginfoString()
|
|
);
|
|
} else {
|
|
throw new Error("Cannot happen");
|
|
}
|
|
} else {
|
|
$declarationClassName = $this->name->getDeclarationClassName();
|
|
if ($this->flags & Class_::MODIFIER_ABSTRACT) {
|
|
return sprintf(
|
|
"\tZEND_ABSTRACT_ME_WITH_FLAGS(%s, %s, %s, %s)\n",
|
|
$declarationClassName, $this->name->methodName, $this->getArgInfoName(),
|
|
$this->getFlagsAsArginfoString()
|
|
);
|
|
}
|
|
|
|
return sprintf(
|
|
"\tZEND_ME(%s, %s, %s, %s)\n",
|
|
$declarationClassName, $this->name->methodName, $this->getArgInfoName(),
|
|
$this->getFlagsAsArginfoString()
|
|
);
|
|
}
|
|
} else if ($this->name instanceof FunctionName) {
|
|
$namespace = $this->name->getNamespace();
|
|
$declarationName = $this->name->getDeclarationName();
|
|
|
|
if ($this->alias && $this->isDeprecated) {
|
|
return sprintf(
|
|
"\tZEND_DEP_FALIAS(%s, %s, %s)\n",
|
|
$declarationName, $this->alias->getNonNamespacedName(), $this->getArgInfoName()
|
|
);
|
|
}
|
|
|
|
if ($this->alias) {
|
|
return sprintf(
|
|
"\tZEND_FALIAS(%s, %s, %s)\n",
|
|
$declarationName, $this->alias->getNonNamespacedName(), $this->getArgInfoName()
|
|
);
|
|
}
|
|
|
|
if ($this->isDeprecated) {
|
|
return sprintf(
|
|
"\tZEND_DEP_FE(%s, %s)\n", $declarationName, $this->getArgInfoName());
|
|
}
|
|
|
|
if ($namespace) {
|
|
// Render A\B as "A\\B" in C strings for namespaces
|
|
return sprintf(
|
|
"\tZEND_NS_FE(\"%s\", %s, %s)\n",
|
|
addslashes($namespace), $declarationName, $this->getArgInfoName());
|
|
} else {
|
|
return sprintf("\tZEND_FE(%s, %s)\n", $declarationName, $this->getArgInfoName());
|
|
}
|
|
} else {
|
|
throw new Error("Cannot happen");
|
|
}
|
|
}
|
|
|
|
private function getFlagsAsArginfoString(): string
|
|
{
|
|
$flags = "ZEND_ACC_PUBLIC";
|
|
if ($this->flags & Class_::MODIFIER_PROTECTED) {
|
|
$flags = "ZEND_ACC_PROTECTED";
|
|
} elseif ($this->flags & Class_::MODIFIER_PRIVATE) {
|
|
$flags = "ZEND_ACC_PRIVATE";
|
|
}
|
|
|
|
if ($this->flags & Class_::MODIFIER_STATIC) {
|
|
$flags .= "|ZEND_ACC_STATIC";
|
|
}
|
|
|
|
if ($this->flags & Class_::MODIFIER_FINAL) {
|
|
$flags .= "|ZEND_ACC_FINAL";
|
|
}
|
|
|
|
if ($this->flags & Class_::MODIFIER_ABSTRACT) {
|
|
$flags .= "|ZEND_ACC_ABSTRACT";
|
|
}
|
|
|
|
if ($this->isDeprecated) {
|
|
$flags .= "|ZEND_ACC_DEPRECATED";
|
|
}
|
|
|
|
return $flags;
|
|
}
|
|
|
|
/**
|
|
* @param FuncInfo[] $funcMap
|
|
* @param FuncInfo[] $aliasMap
|
|
* @throws Exception
|
|
*/
|
|
public function getMethodSynopsisDocument(array $funcMap, array $aliasMap): ?string {
|
|
|
|
$doc = new DOMDocument();
|
|
$doc->formatOutput = true;
|
|
$methodSynopsis = $this->getMethodSynopsisElement($funcMap, $aliasMap, $doc);
|
|
if (!$methodSynopsis) {
|
|
return null;
|
|
}
|
|
|
|
$doc->appendChild($methodSynopsis);
|
|
|
|
return $doc->saveXML();
|
|
}
|
|
|
|
/**
|
|
* @param FuncInfo[] $funcMap
|
|
* @param FuncInfo[] $aliasMap
|
|
* @throws Exception
|
|
*/
|
|
public function getMethodSynopsisElement(array $funcMap, array $aliasMap, DOMDocument $doc): ?DOMElement {
|
|
if ($this->hasParamWithUnknownDefaultValue()) {
|
|
return null;
|
|
}
|
|
|
|
if ($this->name->isConstructor()) {
|
|
$synopsisType = "constructorsynopsis";
|
|
} elseif ($this->name->isDestructor()) {
|
|
$synopsisType = "destructorsynopsis";
|
|
} else {
|
|
$synopsisType = "methodsynopsis";
|
|
}
|
|
|
|
$methodSynopsis = $doc->createElement($synopsisType);
|
|
|
|
$aliasedFunc = $this->aliasType === "alias" && isset($funcMap[$this->alias->__toString()]) ? $funcMap[$this->alias->__toString()] : null;
|
|
$aliasFunc = $aliasMap[$this->name->__toString()] ?? null;
|
|
|
|
if (($this->aliasType === "alias" && $aliasedFunc !== null && $aliasedFunc->isMethod() !== $this->isMethod()) ||
|
|
($aliasFunc !== null && $aliasFunc->isMethod() !== $this->isMethod())
|
|
) {
|
|
$role = $doc->createAttribute("role");
|
|
$role->value = $this->isMethod() ? "oop" : "procedural";
|
|
$methodSynopsis->appendChild($role);
|
|
}
|
|
|
|
$methodSynopsis->appendChild(new DOMText("\n "));
|
|
|
|
foreach ($this->getModifierNames() as $modifierString) {
|
|
$modifierElement = $doc->createElement('modifier', $modifierString);
|
|
$methodSynopsis->appendChild($modifierElement);
|
|
$methodSynopsis->appendChild(new DOMText(" "));
|
|
}
|
|
|
|
$returnType = $this->return->getMethodSynopsisType();
|
|
if ($returnType) {
|
|
$this->appendMethodSynopsisTypeToElement($doc, $methodSynopsis, $returnType);
|
|
}
|
|
|
|
$methodname = $doc->createElement('methodname', $this->name->__toString());
|
|
$methodSynopsis->appendChild($methodname);
|
|
|
|
if (empty($this->args)) {
|
|
$methodSynopsis->appendChild(new DOMText("\n "));
|
|
$void = $doc->createElement('void');
|
|
$methodSynopsis->appendChild($void);
|
|
} else {
|
|
foreach ($this->args as $arg) {
|
|
$methodSynopsis->appendChild(new DOMText("\n "));
|
|
$methodparam = $doc->createElement('methodparam');
|
|
if ($arg->defaultValue !== null) {
|
|
$methodparam->setAttribute("choice", "opt");
|
|
}
|
|
if ($arg->isVariadic) {
|
|
$methodparam->setAttribute("rep", "repeat");
|
|
}
|
|
|
|
$methodSynopsis->appendChild($methodparam);
|
|
$this->appendMethodSynopsisTypeToElement($doc, $methodparam, $arg->getMethodSynopsisType());
|
|
|
|
$parameter = $doc->createElement('parameter', $arg->name);
|
|
if ($arg->sendBy !== ArgInfo::SEND_BY_VAL) {
|
|
$parameter->setAttribute("role", "reference");
|
|
}
|
|
|
|
$methodparam->appendChild($parameter);
|
|
$defaultValue = $arg->getDefaultValueAsMethodSynopsisString();
|
|
if ($defaultValue !== null) {
|
|
$initializer = $doc->createElement('initializer');
|
|
if (preg_match('/^[a-zA-Z_][a-zA-Z_0-9]*$/', $defaultValue)) {
|
|
$constant = $doc->createElement('constant', $defaultValue);
|
|
$initializer->appendChild($constant);
|
|
} else {
|
|
$initializer->nodeValue = $defaultValue;
|
|
}
|
|
$methodparam->appendChild($initializer);
|
|
}
|
|
}
|
|
}
|
|
$methodSynopsis->appendChild(new DOMText("\n "));
|
|
|
|
return $methodSynopsis;
|
|
}
|
|
|
|
public function discardInfoForOldPhpVersions(): void {
|
|
$this->return->type = null;
|
|
foreach ($this->args as $arg) {
|
|
$arg->type = null;
|
|
$arg->defaultValue = null;
|
|
}
|
|
}
|
|
|
|
private function appendMethodSynopsisTypeToElement(DOMDocument $doc, DOMElement $elementToAppend, Type $type) {
|
|
if (count($type->types) > 1) {
|
|
$typeElement = $doc->createElement('type');
|
|
$typeElement->setAttribute("class", "union");
|
|
|
|
foreach ($type->types as $type) {
|
|
$unionTypeElement = $doc->createElement('type', $type->name);
|
|
$typeElement->appendChild($unionTypeElement);
|
|
}
|
|
} else {
|
|
$typeElement = $doc->createElement('type', $type->types[0]->name);
|
|
}
|
|
|
|
$elementToAppend->appendChild($typeElement);
|
|
}
|
|
}
|
|
|
|
class ClassInfo {
|
|
/** @var Name */
|
|
public $name;
|
|
/** @var FuncInfo[] */
|
|
public $funcInfos;
|
|
|
|
public function __construct(Name $name, array $funcInfos) {
|
|
$this->name = $name;
|
|
$this->funcInfos = $funcInfos;
|
|
}
|
|
}
|
|
|
|
class FileInfo {
|
|
/** @var FuncInfo[] */
|
|
public $funcInfos = [];
|
|
/** @var ClassInfo[] */
|
|
public $classInfos = [];
|
|
/** @var bool */
|
|
public $generateFunctionEntries = false;
|
|
/** @var string */
|
|
public $declarationPrefix = "";
|
|
/** @var bool */
|
|
public $generateLegacyArginfo = false;
|
|
|
|
/**
|
|
* @return iterable<FuncInfo>
|
|
*/
|
|
public function getAllFuncInfos(): iterable {
|
|
yield from $this->funcInfos;
|
|
foreach ($this->classInfos as $classInfo) {
|
|
yield from $classInfo->funcInfos;
|
|
}
|
|
}
|
|
}
|
|
|
|
class DocCommentTag {
|
|
/** @var string */
|
|
public $name;
|
|
/** @var string|null */
|
|
public $value;
|
|
|
|
public function __construct(string $name, ?string $value) {
|
|
$this->name = $name;
|
|
$this->value = $value;
|
|
}
|
|
|
|
public function getValue(): string {
|
|
if ($this->value === null) {
|
|
throw new Exception("@$this->name does not have a value");
|
|
}
|
|
|
|
return $this->value;
|
|
}
|
|
|
|
public function getType(): string {
|
|
$value = $this->getValue();
|
|
|
|
$matches = [];
|
|
|
|
if ($this->name === "param") {
|
|
preg_match('/^\s*([\w\|\\\\\[\]]+)\s*\$\w+.*$/', $value, $matches);
|
|
} elseif ($this->name === "return") {
|
|
preg_match('/^\s*([\w\|\\\\\[\]]+)\s*$/', $value, $matches);
|
|
}
|
|
|
|
if (isset($matches[1]) === false) {
|
|
throw new Exception("@$this->name doesn't contain a type or has an invalid format \"$value\"");
|
|
}
|
|
|
|
return $matches[1];
|
|
}
|
|
|
|
public function getVariableName(): string {
|
|
$value = $this->value;
|
|
if ($value === null || strlen($value) === 0) {
|
|
throw new Exception("@$this->name doesn't have any value");
|
|
}
|
|
|
|
$matches = [];
|
|
|
|
if ($this->name === "param") {
|
|
preg_match('/^\s*[\w\|\\\\\[\]]+\s*\$(\w+).*$/', $value, $matches);
|
|
} elseif ($this->name === "prefer-ref") {
|
|
preg_match('/^\s*\$(\w+).*$/', $value, $matches);
|
|
}
|
|
|
|
if (isset($matches[1]) === false) {
|
|
throw new Exception("@$this->name doesn't contain a variable name or has an invalid format \"$value\"");
|
|
}
|
|
|
|
return $matches[1];
|
|
}
|
|
}
|
|
|
|
/** @return DocCommentTag[] */
|
|
function parseDocComment(DocComment $comment): array {
|
|
$commentText = substr($comment->getText(), 2, -2);
|
|
$tags = [];
|
|
foreach (explode("\n", $commentText) as $commentLine) {
|
|
$regex = '/^\*\s*@([a-z-]+)(?:\s+(.+))?$/';
|
|
if (preg_match($regex, trim($commentLine), $matches)) {
|
|
$tags[] = new DocCommentTag($matches[1], $matches[2] ?? null);
|
|
}
|
|
}
|
|
|
|
return $tags;
|
|
}
|
|
|
|
function parseFunctionLike(
|
|
PrettyPrinterAbstract $prettyPrinter,
|
|
FunctionOrMethodName $name,
|
|
int $classFlags,
|
|
int $flags,
|
|
Node\FunctionLike $func,
|
|
?string $cond
|
|
): FuncInfo {
|
|
$comment = $func->getDocComment();
|
|
$paramMeta = [];
|
|
$aliasType = null;
|
|
$alias = null;
|
|
$isDeprecated = false;
|
|
$verify = true;
|
|
$docReturnType = null;
|
|
$docParamTypes = [];
|
|
|
|
if ($comment) {
|
|
$tags = parseDocComment($comment);
|
|
foreach ($tags as $tag) {
|
|
if ($tag->name === 'prefer-ref') {
|
|
$varName = $tag->getVariableName();
|
|
if (!isset($paramMeta[$varName])) {
|
|
$paramMeta[$varName] = [];
|
|
}
|
|
$paramMeta[$varName]['preferRef'] = true;
|
|
} else if ($tag->name === 'alias' || $tag->name === 'implementation-alias') {
|
|
$aliasType = $tag->name;
|
|
$aliasParts = explode("::", $tag->getValue());
|
|
if (count($aliasParts) === 1) {
|
|
$alias = new FunctionName(new Name($aliasParts[0]));
|
|
} else {
|
|
$alias = new MethodName(new Name($aliasParts[0]), $aliasParts[1]);
|
|
}
|
|
} else if ($tag->name === 'deprecated') {
|
|
$isDeprecated = true;
|
|
} else if ($tag->name === 'no-verify') {
|
|
$verify = false;
|
|
} else if ($tag->name === 'return') {
|
|
$docReturnType = $tag->getType();
|
|
} else if ($tag->name === 'param') {
|
|
$docParamTypes[$tag->getVariableName()] = $tag->getType();
|
|
}
|
|
}
|
|
}
|
|
|
|
$varNameSet = [];
|
|
$args = [];
|
|
$numRequiredArgs = 0;
|
|
$foundVariadic = false;
|
|
foreach ($func->getParams() as $i => $param) {
|
|
$varName = $param->var->name;
|
|
$preferRef = !empty($paramMeta[$varName]['preferRef']);
|
|
unset($paramMeta[$varName]);
|
|
|
|
if (isset($varNameSet[$varName])) {
|
|
throw new Exception("Duplicate parameter name $varName for function $name");
|
|
}
|
|
$varNameSet[$varName] = true;
|
|
|
|
if ($preferRef) {
|
|
$sendBy = ArgInfo::SEND_PREFER_REF;
|
|
} else if ($param->byRef) {
|
|
$sendBy = ArgInfo::SEND_BY_REF;
|
|
} else {
|
|
$sendBy = ArgInfo::SEND_BY_VAL;
|
|
}
|
|
|
|
if ($foundVariadic) {
|
|
throw new Exception("Error in function $name: only the last parameter can be variadic");
|
|
}
|
|
|
|
$type = $param->type ? Type::fromNode($param->type) : null;
|
|
if ($type === null && !isset($docParamTypes[$varName])) {
|
|
throw new Exception("Missing parameter type for function $name()");
|
|
}
|
|
|
|
if ($param->default instanceof Expr\ConstFetch &&
|
|
$param->default->name->toLowerString() === "null" &&
|
|
$type && !$type->isNullable()
|
|
) {
|
|
$simpleType = $type->tryToSimpleType();
|
|
if ($simpleType === null) {
|
|
throw new Exception(
|
|
"Parameter $varName of function $name has null default, but is not nullable");
|
|
}
|
|
}
|
|
|
|
$foundVariadic = $param->variadic;
|
|
|
|
$args[] = new ArgInfo(
|
|
$varName,
|
|
$sendBy,
|
|
$param->variadic,
|
|
$type,
|
|
isset($docParamTypes[$varName]) ? Type::fromPhpDoc($docParamTypes[$varName]) : null,
|
|
$param->default ? $prettyPrinter->prettyPrintExpr($param->default) : null
|
|
);
|
|
if (!$param->default && !$param->variadic) {
|
|
$numRequiredArgs = $i + 1;
|
|
}
|
|
}
|
|
|
|
foreach (array_keys($paramMeta) as $var) {
|
|
throw new Exception("Found metadata for invalid param $var of function $name");
|
|
}
|
|
|
|
$returnType = $func->getReturnType();
|
|
if ($returnType === null && $docReturnType === null && !$name->isConstructor() && !$name->isDestructor()) {
|
|
throw new Exception("Missing return type for function $name()");
|
|
}
|
|
|
|
$return = new ReturnInfo(
|
|
$func->returnsByRef(),
|
|
$returnType ? Type::fromNode($returnType) : null,
|
|
$docReturnType ? Type::fromPhpDoc($docReturnType) : null
|
|
);
|
|
|
|
return new FuncInfo(
|
|
$name,
|
|
$classFlags,
|
|
$flags,
|
|
$aliasType,
|
|
$alias,
|
|
$isDeprecated,
|
|
$verify,
|
|
$args,
|
|
$return,
|
|
$numRequiredArgs,
|
|
$cond
|
|
);
|
|
}
|
|
|
|
function handlePreprocessorConditions(array &$conds, Stmt $stmt): ?string {
|
|
foreach ($stmt->getComments() as $comment) {
|
|
$text = trim($comment->getText());
|
|
if (preg_match('/^#\s*if\s+(.+)$/', $text, $matches)) {
|
|
$conds[] = $matches[1];
|
|
} else if (preg_match('/^#\s*ifdef\s+(.+)$/', $text, $matches)) {
|
|
$conds[] = "defined($matches[1])";
|
|
} else if (preg_match('/^#\s*ifndef\s+(.+)$/', $text, $matches)) {
|
|
$conds[] = "!defined($matches[1])";
|
|
} else if (preg_match('/^#\s*else$/', $text)) {
|
|
if (empty($conds)) {
|
|
throw new Exception("Encountered else without corresponding #if");
|
|
}
|
|
$cond = array_pop($conds);
|
|
$conds[] = "!($cond)";
|
|
} else if (preg_match('/^#\s*endif$/', $text)) {
|
|
if (empty($conds)) {
|
|
throw new Exception("Encountered #endif without corresponding #if");
|
|
}
|
|
array_pop($conds);
|
|
} else if ($text[0] === '#') {
|
|
throw new Exception("Unrecognized preprocessor directive \"$text\"");
|
|
}
|
|
}
|
|
|
|
return empty($conds) ? null : implode(' && ', $conds);
|
|
}
|
|
|
|
function getFileDocComment(array $stmts): ?DocComment {
|
|
if (empty($stmts)) {
|
|
return null;
|
|
}
|
|
|
|
$comments = $stmts[0]->getComments();
|
|
if (empty($comments)) {
|
|
return null;
|
|
}
|
|
|
|
if ($comments[0] instanceof DocComment) {
|
|
return $comments[0];
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
function handleStatements(FileInfo $fileInfo, array $stmts, PrettyPrinterAbstract $prettyPrinter) {
|
|
$conds = [];
|
|
foreach ($stmts as $stmt) {
|
|
if ($stmt instanceof Stmt\Nop) {
|
|
continue;
|
|
}
|
|
|
|
if ($stmt instanceof Stmt\Namespace_) {
|
|
handleStatements($fileInfo, $stmt->stmts, $prettyPrinter);
|
|
continue;
|
|
}
|
|
|
|
$cond = handlePreprocessorConditions($conds, $stmt);
|
|
if ($stmt instanceof Stmt\Function_) {
|
|
$fileInfo->funcInfos[] = parseFunctionLike(
|
|
$prettyPrinter,
|
|
new FunctionName($stmt->namespacedName),
|
|
0,
|
|
0,
|
|
$stmt,
|
|
$cond
|
|
);
|
|
continue;
|
|
}
|
|
|
|
if ($stmt instanceof Stmt\ClassLike) {
|
|
$className = $stmt->namespacedName;
|
|
$methodInfos = [];
|
|
foreach ($stmt->stmts as $classStmt) {
|
|
$cond = handlePreprocessorConditions($conds, $classStmt);
|
|
if ($classStmt instanceof Stmt\Nop) {
|
|
continue;
|
|
}
|
|
|
|
if (!$classStmt instanceof Stmt\ClassMethod) {
|
|
throw new Exception("Not implemented {$classStmt->getType()}");
|
|
}
|
|
|
|
$classFlags = 0;
|
|
if ($stmt instanceof Class_) {
|
|
$classFlags = $stmt->flags;
|
|
}
|
|
|
|
$flags = $classStmt->flags;
|
|
if ($stmt instanceof Stmt\Interface_) {
|
|
$flags |= Class_::MODIFIER_ABSTRACT;
|
|
}
|
|
|
|
if (!($flags & Class_::VISIBILITY_MODIFIER_MASK)) {
|
|
throw new Exception("Method visibility modifier is required");
|
|
}
|
|
|
|
$methodInfos[] = parseFunctionLike(
|
|
$prettyPrinter,
|
|
new MethodName($className, $classStmt->name->toString()),
|
|
$classFlags,
|
|
$flags,
|
|
$classStmt,
|
|
$cond
|
|
);
|
|
}
|
|
|
|
$fileInfo->classInfos[] = new ClassInfo($className, $methodInfos);
|
|
continue;
|
|
}
|
|
|
|
throw new Exception("Unexpected node {$stmt->getType()}");
|
|
}
|
|
}
|
|
|
|
function parseStubFile(string $code): FileInfo {
|
|
$lexer = new PhpParser\Lexer();
|
|
$parser = new PhpParser\Parser\Php7($lexer);
|
|
$nodeTraverser = new PhpParser\NodeTraverser;
|
|
$nodeTraverser->addVisitor(new PhpParser\NodeVisitor\NameResolver);
|
|
$prettyPrinter = new class extends Standard {
|
|
protected function pName_FullyQualified(Name\FullyQualified $node) {
|
|
return implode('\\', $node->parts);
|
|
}
|
|
};
|
|
|
|
$stmts = $parser->parse($code);
|
|
$nodeTraverser->traverse($stmts);
|
|
|
|
$fileInfo = new FileInfo;
|
|
$fileDocComment = getFileDocComment($stmts);
|
|
if ($fileDocComment) {
|
|
$fileTags = parseDocComment($fileDocComment);
|
|
foreach ($fileTags as $tag) {
|
|
if ($tag->name === 'generate-function-entries') {
|
|
$fileInfo->generateFunctionEntries = true;
|
|
$fileInfo->declarationPrefix = $tag->value ? $tag->value . " " : "";
|
|
} else if ($tag->name === 'generate-legacy-arginfo') {
|
|
$fileInfo->generateLegacyArginfo = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
handleStatements($fileInfo, $stmts, $prettyPrinter);
|
|
return $fileInfo;
|
|
}
|
|
|
|
function funcInfoToCode(FuncInfo $funcInfo, bool $minimal): string {
|
|
$code = '';
|
|
|
|
// Generate the minimal, most compatible arginfo across PHP versions
|
|
if ($minimal) {
|
|
$code .= sprintf("ZEND_BEGIN_ARG_INFO_EX(%s, 0, %d, %d)\n",
|
|
$funcInfo->getArgInfoName(),
|
|
$funcInfo->return->byRef,
|
|
$funcInfo->numRequiredArgs);
|
|
foreach ($funcInfo->args as $argInfo) {
|
|
$code .= sprintf("\tZEND_ARG_INFO(0, %s)\n", $argInfo->name);
|
|
}
|
|
} else {
|
|
$returnType = $funcInfo->return->type;
|
|
if ($returnType !== null) {
|
|
if (null !== $simpleReturnType = $returnType->tryToSimpleType()) {
|
|
if ($simpleReturnType->isBuiltin) {
|
|
$code .= sprintf(
|
|
"AWS_PHP_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(%s, %d, %d, %s, %d)\n",
|
|
$funcInfo->getArgInfoName(), $funcInfo->return->byRef,
|
|
$funcInfo->numRequiredArgs,
|
|
$simpleReturnType->toTypeCode(), $returnType->isNullable()
|
|
);
|
|
} else {
|
|
$code .= sprintf(
|
|
"ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX(%s, %d, %d, %s, %d)\n",
|
|
$funcInfo->getArgInfoName(), $funcInfo->return->byRef,
|
|
$funcInfo->numRequiredArgs,
|
|
$simpleReturnType->toEscapedName(), $returnType->isNullable()
|
|
);
|
|
}
|
|
} else {
|
|
$arginfoType = $returnType->toArginfoType();
|
|
if ($arginfoType->hasClassType()) {
|
|
$code .= sprintf(
|
|
"ZEND_BEGIN_ARG_WITH_RETURN_OBJ_TYPE_MASK_EX(%s, %d, %d, %s, %s)\n",
|
|
$funcInfo->getArgInfoName(), $funcInfo->return->byRef,
|
|
$funcInfo->numRequiredArgs,
|
|
$arginfoType->toClassTypeString(), $arginfoType->toTypeMask()
|
|
);
|
|
} else {
|
|
$code .= sprintf(
|
|
"ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(%s, %d, %d, %s)\n",
|
|
$funcInfo->getArgInfoName(), $funcInfo->return->byRef,
|
|
$funcInfo->numRequiredArgs,
|
|
$arginfoType->toTypeMask()
|
|
);
|
|
}
|
|
}
|
|
} else {
|
|
$code .= sprintf(
|
|
"ZEND_BEGIN_ARG_INFO_EX(%s, 0, %d, %d)\n",
|
|
$funcInfo->getArgInfoName(), $funcInfo->return->byRef, $funcInfo->numRequiredArgs
|
|
);
|
|
}
|
|
|
|
foreach ($funcInfo->args as $argInfo) {
|
|
$argKind = $argInfo->isVariadic ? "ARG_VARIADIC" : "ARG";
|
|
$argDefaultKind = $argInfo->hasProperDefaultValue() ? "_WITH_DEFAULT_VALUE" : "";
|
|
$argType = $argInfo->type;
|
|
if ($argType !== null) {
|
|
if (null !== $simpleArgType = $argType->tryToSimpleType()) {
|
|
if ($simpleArgType->isBuiltin) {
|
|
$code .= sprintf(
|
|
"\tZEND_%s_TYPE_INFO%s(%s, %s, %s, %d%s)\n",
|
|
$argKind, $argDefaultKind, $argInfo->getSendByString(), $argInfo->name,
|
|
$simpleArgType->toTypeCode(), $argType->isNullable(),
|
|
$argInfo->hasProperDefaultValue() ? ", " . $argInfo->getDefaultValueAsArginfoString() : ""
|
|
);
|
|
} else {
|
|
$code .= sprintf(
|
|
"\tZEND_%s_OBJ_INFO%s(%s, %s, %s, %d%s)\n",
|
|
$argKind,$argDefaultKind, $argInfo->getSendByString(), $argInfo->name,
|
|
$simpleArgType->toEscapedName(), $argType->isNullable(),
|
|
$argInfo->hasProperDefaultValue() ? ", " . $argInfo->getDefaultValueAsArginfoString() : ""
|
|
);
|
|
}
|
|
} else {
|
|
$arginfoType = $argType->toArginfoType();
|
|
if ($arginfoType->hasClassType()) {
|
|
$code .= sprintf(
|
|
"\tZEND_%s_OBJ_TYPE_MASK(%s, %s, %s, %s, %s)\n",
|
|
$argKind, $argInfo->getSendByString(), $argInfo->name,
|
|
$arginfoType->toClassTypeString(), $arginfoType->toTypeMask(),
|
|
$argInfo->getDefaultValueAsArginfoString()
|
|
);
|
|
} else {
|
|
$code .= sprintf(
|
|
"\tZEND_%s_TYPE_MASK(%s, %s, %s, %s)\n",
|
|
$argKind, $argInfo->getSendByString(), $argInfo->name,
|
|
$arginfoType->toTypeMask(),
|
|
$argInfo->getDefaultValueAsArginfoString()
|
|
);
|
|
}
|
|
}
|
|
} else {
|
|
$code .= sprintf(
|
|
"\tZEND_%s_INFO%s(%s, %s%s)\n",
|
|
$argKind, $argDefaultKind, $argInfo->getSendByString(), $argInfo->name,
|
|
$argInfo->hasProperDefaultValue() ? ", " . $argInfo->getDefaultValueAsArginfoString() : ""
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
$code .= "ZEND_END_ARG_INFO()";
|
|
return $code . "\n";
|
|
}
|
|
|
|
/** @param FuncInfo[] $generatedFuncInfos */
|
|
function findEquivalentFuncInfo(array $generatedFuncInfos, FuncInfo $funcInfo): ?FuncInfo {
|
|
foreach ($generatedFuncInfos as $generatedFuncInfo) {
|
|
if ($generatedFuncInfo->equalsApartFromName($funcInfo)) {
|
|
return $generatedFuncInfo;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/** @param iterable<FuncInfo> $funcInfos */
|
|
function generateCodeWithConditions(
|
|
iterable $funcInfos, string $separator, Closure $codeGenerator): string {
|
|
$code = "";
|
|
foreach ($funcInfos as $funcInfo) {
|
|
$funcCode = $codeGenerator($funcInfo);
|
|
if ($funcCode === null) {
|
|
continue;
|
|
}
|
|
|
|
$code .= $separator;
|
|
if ($funcInfo->cond) {
|
|
$code .= "#if {$funcInfo->cond}\n";
|
|
$code .= $funcCode;
|
|
$code .= "#endif\n";
|
|
} else {
|
|
$code .= $funcCode;
|
|
}
|
|
}
|
|
return $code;
|
|
}
|
|
|
|
function generateArgInfoCode(FileInfo $fileInfo, string $stubHash, bool $minimal): string {
|
|
$code = "/* This is a generated file, edit the .stub.php file instead.\n"
|
|
. " * Stub hash: $stubHash */\n";
|
|
$generatedFuncInfos = [];
|
|
$code .= generateCodeWithConditions(
|
|
$fileInfo->getAllFuncInfos(), "\n",
|
|
function (FuncInfo $funcInfo) use(&$generatedFuncInfos, $minimal) {
|
|
/* If there already is an equivalent arginfo structure, only emit a #define */
|
|
if ($generatedFuncInfo = findEquivalentFuncInfo($generatedFuncInfos, $funcInfo)) {
|
|
$code = sprintf(
|
|
"#define %s %s\n",
|
|
$funcInfo->getArgInfoName(), $generatedFuncInfo->getArgInfoName()
|
|
);
|
|
} else {
|
|
$code = funcInfoToCode($funcInfo, $minimal);
|
|
}
|
|
|
|
$generatedFuncInfos[] = $funcInfo;
|
|
return $code;
|
|
}
|
|
);
|
|
|
|
if ($fileInfo->generateFunctionEntries) {
|
|
$code .= "\n\n";
|
|
|
|
$generatedFunctionDeclarations = [];
|
|
$code .= generateCodeWithConditions(
|
|
$fileInfo->getAllFuncInfos(), "",
|
|
function (FuncInfo $funcInfo) use($fileInfo, &$generatedFunctionDeclarations) {
|
|
$key = $funcInfo->getDeclarationKey();
|
|
if (isset($generatedFunctionDeclarations[$key])) {
|
|
return null;
|
|
}
|
|
|
|
$generatedFunctionDeclarations[$key] = true;
|
|
return $fileInfo->declarationPrefix . $funcInfo->getDeclaration();
|
|
}
|
|
);
|
|
|
|
if (!empty($fileInfo->funcInfos)) {
|
|
$code .= generateFunctionEntries(null, $fileInfo->funcInfos);
|
|
}
|
|
|
|
foreach ($fileInfo->classInfos as $classInfo) {
|
|
$code .= generateFunctionEntries($classInfo->name, $classInfo->funcInfos);
|
|
}
|
|
}
|
|
|
|
return $code;
|
|
}
|
|
|
|
/** @param FuncInfo[] $funcInfos */
|
|
function generateFunctionEntries(?Name $className, array $funcInfos): string {
|
|
$code = "";
|
|
|
|
$functionEntryName = "ext_functions";
|
|
if ($className) {
|
|
$underscoreName = implode("_", $className->parts);
|
|
$functionEntryName = "class_{$underscoreName}_methods";
|
|
}
|
|
|
|
$code .= "\n\nstatic const zend_function_entry {$functionEntryName}[] = {\n";
|
|
$code .= generateCodeWithConditions($funcInfos, "", function (FuncInfo $funcInfo) {
|
|
return $funcInfo->getFunctionEntry();
|
|
});
|
|
$code .= "\tZEND_FE_END\n";
|
|
$code .= "};\n";
|
|
|
|
return $code;
|
|
}
|
|
|
|
/**
|
|
* @param FuncInfo[] $funcMap
|
|
* @param FuncInfo[] $aliasMap
|
|
* @return array<string, string>
|
|
*/
|
|
function generateMethodSynopses(array $funcMap, array $aliasMap): array {
|
|
$result = [];
|
|
|
|
foreach ($funcMap as $funcInfo) {
|
|
$methodSynopsis = $funcInfo->getMethodSynopsisDocument($funcMap, $aliasMap);
|
|
if ($methodSynopsis !== null) {
|
|
$result[$funcInfo->name->getMethodSynopsisFilename() . ".xml"] = $methodSynopsis;
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* @param FuncInfo[] $funcMap
|
|
* @param FuncInfo[] $aliasMap
|
|
* @return array<string, string>
|
|
*/
|
|
function replaceMethodSynopses(string $targetDirectory, array $funcMap, array $aliasMap): array {
|
|
$methodSynopses = [];
|
|
|
|
$it = new RecursiveIteratorIterator(
|
|
new RecursiveDirectoryIterator($targetDirectory),
|
|
RecursiveIteratorIterator::LEAVES_ONLY
|
|
);
|
|
|
|
foreach ($it as $file) {
|
|
$pathName = $file->getPathName();
|
|
if (!preg_match('/\.xml$/i', $pathName)) {
|
|
continue;
|
|
}
|
|
|
|
$xml = file_get_contents($pathName);
|
|
if ($xml === false) {
|
|
continue;
|
|
}
|
|
|
|
if (stripos($xml, "<methodsynopsis") === false && stripos($xml, "<constructorsynopsis") === false && stripos($xml, "<destructorsynopsis") === false) {
|
|
continue;
|
|
}
|
|
|
|
$replacedXml = preg_replace("/&([A-Za-z0-9._{}%-]+?;)/", "REPLACED-ENTITY-$1", $xml);
|
|
|
|
$doc = new DOMDocument();
|
|
$doc->formatOutput = false;
|
|
$doc->preserveWhiteSpace = true;
|
|
$doc->validateOnParse = true;
|
|
$success = $doc->loadXML($replacedXml);
|
|
if (!$success) {
|
|
echo "Failed opening $pathName\n";
|
|
continue;
|
|
}
|
|
|
|
$docComparator = new DOMDocument();
|
|
$docComparator->preserveWhiteSpace = false;
|
|
$docComparator->formatOutput = true;
|
|
|
|
$methodSynopsisElements = [];
|
|
foreach ($doc->getElementsByTagName("constructorsynopsis") as $element) {
|
|
$methodSynopsisElements[] = $element;
|
|
}
|
|
foreach ($doc->getElementsByTagName("destructorsynopsis") as $element) {
|
|
$methodSynopsisElements[] = $element;
|
|
}
|
|
foreach ($doc->getElementsByTagName("methodsynopsis") as $element) {
|
|
$methodSynopsisElements[] = $element;
|
|
}
|
|
|
|
foreach ($methodSynopsisElements as $methodSynopsis) {
|
|
if (!$methodSynopsis instanceof DOMElement) {
|
|
continue;
|
|
}
|
|
|
|
$list = $methodSynopsis->getElementsByTagName("methodname");
|
|
$item = $list->item(0);
|
|
if (!$item instanceof DOMElement) {
|
|
continue;
|
|
}
|
|
$funcName = $item->textContent;
|
|
if (!isset($funcMap[$funcName])) {
|
|
continue;
|
|
}
|
|
$funcInfo = $funcMap[$funcName];
|
|
|
|
$newMethodSynopsis = $funcInfo->getMethodSynopsisElement($funcMap, $aliasMap, $doc);
|
|
if ($newMethodSynopsis === null) {
|
|
continue;
|
|
}
|
|
|
|
// Retrieve current signature
|
|
|
|
$params = [];
|
|
$list = $methodSynopsis->getElementsByTagName("methodparam");
|
|
foreach ($list as $i => $item) {
|
|
if (!$item instanceof DOMElement) {
|
|
continue;
|
|
}
|
|
|
|
$paramList = $item->getElementsByTagName("parameter");
|
|
if ($paramList->count() !== 1) {
|
|
continue;
|
|
}
|
|
|
|
$paramName = $paramList->item(0)->textContent;
|
|
$paramTypes = [];
|
|
|
|
$paramList = $item->getElementsByTagName("type");
|
|
foreach ($paramList as $type) {
|
|
if (!$type instanceof DOMElement) {
|
|
continue;
|
|
}
|
|
|
|
$paramTypes[] = $type->textContent;
|
|
}
|
|
|
|
$params[$paramName] = ["index" => $i, "type" => $paramTypes];
|
|
}
|
|
|
|
// Check if there is any change - short circuit if there is not any.
|
|
|
|
$xml1 = $doc->saveXML($methodSynopsis);
|
|
$xml1 = preg_replace("/&([A-Za-z0-9._{}%-]+?;)/", "REPLACED-ENTITY-$1", $xml1);
|
|
$docComparator->loadXML($xml1);
|
|
$xml1 = $docComparator->saveXML();
|
|
|
|
$methodSynopsis->parentNode->replaceChild($newMethodSynopsis, $methodSynopsis);
|
|
|
|
$xml2 = $doc->saveXML($newMethodSynopsis);
|
|
$xml2 = preg_replace("/&([A-Za-z0-9._{}%-]+?;)/", "REPLACED-ENTITY-$1", $xml2);
|
|
$docComparator->loadXML($xml2);
|
|
$xml2 = $docComparator->saveXML();
|
|
|
|
if ($xml1 === $xml2) {
|
|
continue;
|
|
}
|
|
|
|
// Update parameter references
|
|
|
|
$paramList = $doc->getElementsByTagName("parameter");
|
|
/** @var DOMElement $paramElement */
|
|
foreach ($paramList as $paramElement) {
|
|
if ($paramElement->parentNode && $paramElement->parentNode->nodeName === "methodparam") {
|
|
continue;
|
|
}
|
|
|
|
$name = $paramElement->textContent;
|
|
if (!isset($params[$name])) {
|
|
continue;
|
|
}
|
|
|
|
$index = $params[$name]["index"];
|
|
if (!isset($funcInfo->args[$index])) {
|
|
continue;
|
|
}
|
|
|
|
$paramElement->textContent = $funcInfo->args[$index]->name;
|
|
}
|
|
|
|
// Return the updated XML
|
|
|
|
$replacedXml = $doc->saveXML();
|
|
|
|
$replacedXml = preg_replace(
|
|
[
|
|
"/REPLACED-ENTITY-([A-Za-z0-9._{}%-]+?;)/",
|
|
"/<refentry\s+xmlns=\"([a-z0-9.:\/]+)\"\s+xml:id=\"([a-z0-9._-]+)\"\s*>/i",
|
|
"/<refentry\s+xmlns=\"([a-z0-9.:\/]+)\"\s+xmlns:xlink=\"([a-z0-9.:\/]+)\"\s+xml:id=\"([a-z0-9._-]+)\"\s*>/i",
|
|
],
|
|
[
|
|
"&$1",
|
|
"<refentry xml:id=\"$2\" xmlns=\"$1\">",
|
|
"<refentry xml:id=\"$3\" xmlns=\"$1\" xmlns:xlink=\"$2\">",
|
|
],
|
|
$replacedXml
|
|
);
|
|
|
|
$methodSynopses[$pathName] = $replacedXml;
|
|
}
|
|
}
|
|
|
|
return $methodSynopses;
|
|
}
|
|
|
|
function installPhpParser(string $version, string $phpParserDir) {
|
|
$lockFile = __DIR__ . "/PHP-Parser-install-lock";
|
|
$lockFd = fopen($lockFile, 'w+');
|
|
if (!flock($lockFd, LOCK_EX)) {
|
|
throw new Exception("Failed to acquire installation lock");
|
|
}
|
|
|
|
try {
|
|
// Check whether a parallel process has already installed PHP-Parser.
|
|
if (is_dir($phpParserDir)) {
|
|
return;
|
|
}
|
|
|
|
$cwd = getcwd();
|
|
chdir(__DIR__);
|
|
|
|
$tarName = "v$version.tar.gz";
|
|
passthru("wget https://github.com/nikic/PHP-Parser/archive/$tarName", $exit);
|
|
if ($exit !== 0) {
|
|
passthru("curl -LO https://github.com/nikic/PHP-Parser/archive/$tarName", $exit);
|
|
}
|
|
if ($exit !== 0) {
|
|
throw new Exception("Failed to download PHP-Parser tarball");
|
|
}
|
|
if (!mkdir($phpParserDir)) {
|
|
throw new Exception("Failed to create directory $phpParserDir");
|
|
}
|
|
passthru("tar xvzf $tarName -C PHP-Parser-$version --strip-components 1", $exit);
|
|
if ($exit !== 0) {
|
|
throw new Exception("Failed to extract PHP-Parser tarball");
|
|
}
|
|
unlink(__DIR__ . "/$tarName");
|
|
chdir($cwd);
|
|
} finally {
|
|
flock($lockFd, LOCK_UN);
|
|
@unlink($lockFile);
|
|
}
|
|
}
|
|
|
|
function initPhpParser() {
|
|
static $isInitialized = false;
|
|
if ($isInitialized) {
|
|
return;
|
|
}
|
|
|
|
if (!extension_loaded("tokenizer")) {
|
|
throw new Exception("The \"tokenizer\" extension is not available");
|
|
}
|
|
|
|
$isInitialized = true;
|
|
$version = "4.9.0";
|
|
$phpParserDir = __DIR__ . "/PHP-Parser-$version";
|
|
if (!is_dir($phpParserDir)) {
|
|
installPhpParser($version, $phpParserDir);
|
|
}
|
|
|
|
spl_autoload_register(function(string $class) use($phpParserDir) {
|
|
if (strpos($class, "PhpParser\\") === 0) {
|
|
$fileName = $phpParserDir . "/lib/" . str_replace("\\", "/", $class) . ".php";
|
|
require $fileName;
|
|
}
|
|
});
|
|
}
|
|
|
|
$optind = null;
|
|
$options = getopt("fh", [
|
|
"force-regeneration",
|
|
"parameter-stats",
|
|
"help",
|
|
"verify",
|
|
"generate-methodsynopses",
|
|
"replace-methodsynopses",
|
|
"minimal-arginfo"], $optind);
|
|
|
|
$context = new Context;
|
|
$printParameterStats = isset($options["parameter-stats"]);
|
|
$verify = isset($options["verify"]);
|
|
$generateMethodSynopses = isset($options["generate-methodsynopses"]);
|
|
$replaceMethodSynopses = isset($options["replace-methodsynopses"]);
|
|
$context->forceRegeneration = isset($options["f"]) || isset($options["force-regeneration"]);
|
|
$context->forceParse = $context->forceRegeneration || $printParameterStats || $verify || $generateMethodSynopses || $replaceMethodSynopses;
|
|
$context->minimalArgInfo = isset($options["minimal-arginfo"]);
|
|
$targetMethodSynopses = $argv[$optind + 1] ?? null;
|
|
if ($replaceMethodSynopses && $targetMethodSynopses === null) {
|
|
die("A target directory must be provided.\n");
|
|
}
|
|
|
|
if (isset($options["h"]) || isset($options["help"])) {
|
|
die("\nusage: gen-stub.php [ -f | --force-regeneration ] [ --generate-methodsynopses ] [ --replace-methodsynopses ] [ --parameter-stats ] [ --verify ] [ -h | --help ] [ name.stub.php | directory ] [ directory ]\n\n");
|
|
}
|
|
|
|
$fileInfos = [];
|
|
$location = $argv[$optind] ?? ".";
|
|
if (is_file($location)) {
|
|
// Generate single file.
|
|
$fileInfo = processStubFile($location, $context);
|
|
if ($fileInfo) {
|
|
$fileInfos[] = $fileInfo;
|
|
}
|
|
} else if (is_dir($location)) {
|
|
$fileInfos = processDirectory($location, $context);
|
|
} else {
|
|
echo "$location is neither a file nor a directory.\n";
|
|
exit(1);
|
|
}
|
|
|
|
if ($printParameterStats) {
|
|
$parameterStats = [];
|
|
|
|
foreach ($fileInfos as $fileInfo) {
|
|
foreach ($fileInfo->getAllFuncInfos() as $funcInfo) {
|
|
foreach ($funcInfo->args as $argInfo) {
|
|
if (!isset($parameterStats[$argInfo->name])) {
|
|
$parameterStats[$argInfo->name] = 0;
|
|
}
|
|
$parameterStats[$argInfo->name]++;
|
|
}
|
|
}
|
|
}
|
|
|
|
arsort($parameterStats);
|
|
echo json_encode($parameterStats, JSON_PRETTY_PRINT), "\n";
|
|
}
|
|
|
|
/** @var FuncInfo[] $funcMap */
|
|
$funcMap = [];
|
|
/** @var FuncInfo[] $aliasMap */
|
|
$aliasMap = [];
|
|
|
|
foreach ($fileInfos as $fileInfo) {
|
|
foreach ($fileInfo->getAllFuncInfos() as $funcInfo) {
|
|
/** @var FuncInfo $funcInfo */
|
|
$funcMap[$funcInfo->name->__toString()] = $funcInfo;
|
|
|
|
if ($funcInfo->aliasType === "alias") {
|
|
$aliasMap[$funcInfo->alias->__toString()] = $funcInfo;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($verify) {
|
|
$errors = [];
|
|
|
|
foreach ($aliasMap as $aliasFunc) {
|
|
if (!isset($funcMap[$aliasFunc->alias->__toString()])) {
|
|
$errors[] = "Aliased function {$aliasFunc->alias}() cannot be found";
|
|
continue;
|
|
}
|
|
|
|
if (!$aliasFunc->verify) {
|
|
continue;
|
|
}
|
|
|
|
$aliasedFunc = $funcMap[$aliasFunc->alias->__toString()];
|
|
$aliasedArgs = $aliasedFunc->args;
|
|
$aliasArgs = $aliasFunc->args;
|
|
|
|
if ($aliasFunc->isInstanceMethod() !== $aliasedFunc->isInstanceMethod()) {
|
|
if ($aliasFunc->isInstanceMethod()) {
|
|
$aliasedArgs = array_slice($aliasedArgs, 1);
|
|
}
|
|
|
|
if ($aliasedFunc->isInstanceMethod()) {
|
|
$aliasArgs = array_slice($aliasArgs, 1);
|
|
}
|
|
}
|
|
|
|
array_map(
|
|
function(?ArgInfo $aliasArg, ?ArgInfo $aliasedArg) use ($aliasFunc, $aliasedFunc, &$errors) {
|
|
if ($aliasArg === null) {
|
|
assert($aliasedArg !== null);
|
|
$errors[] = "{$aliasFunc->name}(): Argument \$$aliasedArg->name of aliased function {$aliasedFunc->name}() is missing";
|
|
return null;
|
|
}
|
|
|
|
if ($aliasedArg === null) {
|
|
$errors[] = "{$aliasedFunc->name}(): Argument \$$aliasArg->name of alias function {$aliasFunc->name}() is missing";
|
|
return null;
|
|
}
|
|
|
|
if ($aliasArg->name !== $aliasedArg->name) {
|
|
$errors[] = "{$aliasFunc->name}(): Argument \$$aliasArg->name and argument \$$aliasedArg->name of aliased function {$aliasedFunc->name}() must have the same name";
|
|
return null;
|
|
}
|
|
|
|
if ($aliasArg->type != $aliasedArg->type) {
|
|
$errors[] = "{$aliasFunc->name}(): Argument \$$aliasArg->name and argument \$$aliasedArg->name of aliased function {$aliasedFunc->name}() must have the same type";
|
|
}
|
|
|
|
if ($aliasArg->defaultValue !== $aliasedArg->defaultValue) {
|
|
$errors[] = "{$aliasFunc->name}(): Argument \$$aliasArg->name and argument \$$aliasedArg->name of aliased function {$aliasedFunc->name}() must have the same default value";
|
|
}
|
|
},
|
|
$aliasArgs, $aliasedArgs
|
|
);
|
|
|
|
if ((!$aliasedFunc->isMethod() || $aliasedFunc->isFinalMethod()) &&
|
|
(!$aliasFunc->isMethod() || $aliasFunc->isFinalMethod()) &&
|
|
$aliasFunc->return != $aliasedFunc->return
|
|
) {
|
|
$errors[] = "{$aliasFunc->name}() and {$aliasedFunc->name}() must have the same return type";
|
|
}
|
|
}
|
|
|
|
echo implode("\n", $errors);
|
|
if (!empty($errors)) {
|
|
echo "\n";
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if ($generateMethodSynopses) {
|
|
$methodSynopsesDirectory = getcwd() . "/methodsynopses";
|
|
|
|
$methodSynopses = generateMethodSynopses($funcMap, $aliasMap);
|
|
if (!empty($methodSynopses)) {
|
|
if (!file_exists($methodSynopsesDirectory)) {
|
|
mkdir($methodSynopsesDirectory);
|
|
}
|
|
|
|
foreach ($methodSynopses as $filename => $content) {
|
|
if (file_put_contents("$methodSynopsesDirectory/$filename", $content)) {
|
|
echo "Saved $filename\n";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($replaceMethodSynopses) {
|
|
$methodSynopses = replaceMethodSynopses($targetMethodSynopses, $funcMap, $aliasMap);
|
|
|
|
foreach ($methodSynopses as $filename => $content) {
|
|
if (file_put_contents($filename, $content)) {
|
|
echo "Saved $filename\n";
|
|
}
|
|
}
|
|
}
|