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#!/usr/bin/env php <?php declare(strict_types=1); use PhpParser\Comment\Doc as DocComment; use PhpParser\ConstExprEvaluator; use PhpParser\Node; use PhpParser\Node\Expr; use PhpParser\Node\Name; use PhpParser\Node\Stmt; use PhpParser\Node\Stmt\Class_; use PhpParser\Node\Stmt\Enum_; use PhpParser\Node\Stmt\Interface_; use PhpParser\Node\Stmt\Trait_; use PhpParser\PrettyPrinter\Standard; use PhpParser\PrettyPrinterAbstract; error_reporting(E_ALL); /** * @return FileInfo[] */ function processDirectory(string $dir, Context $context): array { $pathNames = []; $it = new RecursiveIteratorIterator( new RecursiveDirectoryIterator($dir), RecursiveIteratorIterator::LEAVES_ONLY ); foreach ($it as $file) { $pathName = $file->getPathName(); if (preg_match('/\.stub\.php$/', $pathName)) { $pathNames[] = $pathName; } } // Make sure stub files are processed in a predictable, system-independent order. sort($pathNames); $fileInfos = []; foreach ($pathNames as $pathName) { $fileInfo = processStubFile($pathName, $context); if ($fileInfo) { $fileInfos[] = $fileInfo; } } return $fileInfos; } function processStubFile(string $stubFile, Context $context): ?FileInfo { try { if (!file_exists($stubFile)) { throw new Exception("File $stubFile does not exist"); } $arginfoFile = str_replace('.stub.php', '_arginfo.h', $stubFile); $legacyFile = str_replace('.stub.php', '_legacy_arginfo.h', $stubFile); $stubCode = file_get_contents($stubFile); $stubHash = computeStubHash($stubCode); $oldStubHash = extractStubHash($arginfoFile); if ($stubHash === $oldStubHash && !$context->forceParse) { /* Stub file did not change, do not regenerate. */ return null; } initPhpParser(); $fileInfo = parseStubFile($stubCode); $arginfoCode = generateArgInfoCode($fileInfo, $stubHash); if (($context->forceRegeneration || $stubHash !== $oldStubHash) && file_put_contents($arginfoFile, $arginfoCode)) { echo "Saved $arginfoFile\n"; } if ($fileInfo->generateLegacyArginfo) { $legacyFileInfo = clone $fileInfo; foreach ($legacyFileInfo->getAllFuncInfos() as $funcInfo) { $funcInfo->discardInfoForOldPhpVersions(); } foreach ($legacyFileInfo->getAllPropertyInfos() as $propertyInfo) { $propertyInfo->discardInfoForOldPhpVersions(); } $arginfoCode = generateArgInfoCode($legacyFileInfo, $stubHash); if (($context->forceRegeneration || $stubHash !== $oldStubHash) && file_put_contents($legacyFile, $arginfoCode)) { echo "Saved $legacyFile\n"; } } return $fileInfo; } catch (Exception $e) { echo "In $stubFile:\n{$e->getMessage()}\n"; exit(1); } } function computeStubHash(string $stubCode): string { return sha1(str_replace("\r\n", "\n", $stubCode)); } function extractStubHash(string $arginfoFile): ?string { if (!file_exists($arginfoFile)) { return null; } $arginfoCode = file_get_contents($arginfoFile); if (!preg_match('/\* Stub hash: ([0-9a-f]+) \*/', $arginfoCode, $matches)) { return null; } return $matches[1]; } class Context { /** @var bool */ public $forceParse = false; /** @var bool */ public $forceRegeneration = false; } class ArrayType extends SimpleType { /** @var Type */ public $keyType; /** @var Type */ public $valueType; public static function createGenericArray(): self { return new ArrayType(Type::fromString("int|string"), Type::fromString("mixed|ref")); } public function __construct(Type $keyType, Type $valueType) { parent::__construct("array", true); $this->keyType = $keyType; $this->valueType = $valueType; } public function toOptimizerTypeMask(): string { $typeMasks = [ parent::toOptimizerTypeMask(), $this->keyType->toOptimizerTypeMaskForArrayKey(), $this->valueType->toOptimizerTypeMaskForArrayValue(), ]; return implode("|", $typeMasks); } public function equals(SimpleType $other): bool { if (!parent::equals($other)) { return false; } assert(get_class($other) === self::class); return Type::equals($this->keyType, $other->keyType) && Type::equals($this->valueType, $other->valueType); } } class SimpleType { /** @var string */ public $name; /** @var bool */ public $isBuiltin; public static function fromNode(Node $node): SimpleType { if ($node instanceof Node\Name) { if ($node->toLowerString() === 'static') { // PHP internally considers "static" a builtin type. return new SimpleType($node->toLowerString(), true); } if ($node->toLowerString() === 'self') { throw new Exception('The exact class name must be used instead of "self"'); } assert($node->isFullyQualified()); return new SimpleType($node->toString(), false); } if ($node instanceof Node\Identifier) { if ($node->toLowerString() === 'array') { return ArrayType::createGenericArray(); } return new SimpleType($node->toLowerString(), true); } throw new Exception("Unexpected node type"); } public static function fromString(string $typeString): SimpleType { switch (strtolower($typeString)) { case "void": case "null": case "false": case "true": case "bool": case "int": case "float": case "string": case "callable": case "iterable": case "object": case "resource": case "mixed": case "static": case "never": case "ref": return new SimpleType(strtolower($typeString), true); case "array": return ArrayType::createGenericArray(); case "self": throw new Exception('The exact class name must be used instead of "self"'); } $matches = []; $isArray = preg_match("/(.*)\s*\[\s*\]/", $typeString, $matches); if ($isArray) { return new ArrayType(Type::fromString("int"), Type::fromString($matches[1])); } $matches = []; $isArray = preg_match("/array\s*<\s*([A-Za-z0-9_-|]+)?(\s*,\s*)?([A-Za-z0-9_-|]+)?\s*>/i", $typeString, $matches); if ($isArray) { if (empty($matches[1]) || empty($matches[3])) { throw new Exception("array<> type hint must have both a key and a value"); } return new ArrayType(Type::fromString($matches[1]), Type::fromString($matches[3])); } return new SimpleType($typeString, false); } public static function null(): SimpleType { return new SimpleType("null", true); } public static function void(): SimpleType { return new SimpleType("void", true); } protected function __construct(string $name, bool $isBuiltin) { $this->name = $name; $this->isBuiltin = $isBuiltin; } public function isScalar(): bool { return $this->isBuiltin && in_array($this->name, ["null", "false", "true", "bool", "int", "float"], true); } public function isNull(): bool { return $this->isBuiltin && $this->name === 'null'; } public function toTypeCode(): string { assert($this->isBuiltin); switch ($this->name) { case "bool": return "_IS_BOOL"; case "int": return "IS_LONG"; case "float": return "IS_DOUBLE"; case "string": return "IS_STRING"; case "array": return "IS_ARRAY"; case "object": return "IS_OBJECT"; case "void": return "IS_VOID"; case "callable": return "IS_CALLABLE"; case "iterable": return "IS_ITERABLE"; case "mixed": return "IS_MIXED"; case "static": return "IS_STATIC"; case "never": return "IS_NEVER"; default: throw new Exception("Not implemented: $this->name"); } } public function toTypeMask(): string { assert($this->isBuiltin); switch ($this->name) { case "null": return "MAY_BE_NULL"; case "false": return "MAY_BE_FALSE"; case "bool": return "MAY_BE_BOOL"; case "int": return "MAY_BE_LONG"; case "float": return "MAY_BE_DOUBLE"; case "string": return "MAY_BE_STRING"; case "array": return "MAY_BE_ARRAY"; case "object": return "MAY_BE_OBJECT"; case "callable": return "MAY_BE_CALLABLE"; case "iterable": return "MAY_BE_ITERABLE"; case "mixed": return "MAY_BE_ANY"; case "void": return "MAY_BE_VOID"; case "static": return "MAY_BE_STATIC"; case "never": return "MAY_BE_NEVER"; default: throw new Exception("Not implemented: $this->name"); } } public function toOptimizerTypeMaskForArrayKey(): string { assert($this->isBuiltin); switch ($this->name) { case "int": return "MAY_BE_ARRAY_KEY_LONG"; case "string": return "MAY_BE_ARRAY_KEY_STRING"; default: throw new Exception("Type $this->name cannot be an array key"); } } public function toOptimizerTypeMaskForArrayValue(): string { if (!$this->isBuiltin) { return "MAY_BE_ARRAY_OF_OBJECT"; } switch ($this->name) { case "null": return "MAY_BE_ARRAY_OF_NULL"; case "false": return "MAY_BE_ARRAY_OF_FALSE"; case "bool": return "MAY_BE_ARRAY_OF_FALSE|MAY_BE_ARRAY_OF_TRUE"; case "int": return "MAY_BE_ARRAY_OF_LONG"; case "float": return "MAY_BE_ARRAY_OF_DOUBLE"; case "string": return "MAY_BE_ARRAY_OF_STRING"; case "array": return "MAY_BE_ARRAY_OF_ARRAY"; case "object": return "MAY_BE_ARRAY_OF_OBJECT"; case "resource": return "MAY_BE_ARRAY_OF_RESOURCE"; case "mixed": return "MAY_BE_ARRAY_OF_ANY"; case "ref": return "MAY_BE_ARRAY_OF_REF"; default: throw new Exception("Type $this->name cannot be an array value"); } } public function toOptimizerTypeMask(): string { if (!$this->isBuiltin) { return "MAY_BE_OBJECT"; } switch ($this->name) { case "true": return "MAY_BE_TRUE"; case "resource": return "MAY_BE_RESOURCE"; case "callable": return "MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_ARRAY_KEY_LONG|MAY_BE_ARRAY_OF_STRING|MAY_BE_ARRAY_OF_OBJECT|MAY_BE_OBJECT"; case "iterable": return "MAY_BE_ARRAY|MAY_BE_ARRAY_KEY_ANY|MAY_BE_ARRAY_OF_ANY|MAY_BE_OBJECT"; case "mixed": return "MAY_BE_ANY|MAY_BE_ARRAY_KEY_ANY|MAY_BE_ARRAY_OF_ANY"; } return $this->toTypeMask(); } public function toEscapedName(): string { return str_replace('\\', '\\\\', $this->name); } public function toVarEscapedName(): string { $name = str_replace('_', '__', $this->name); return str_replace('\\', '_', $this->name); } public function equals(SimpleType $other): bool { return $this->name === $other->name && $this->isBuiltin === $other->isBuiltin; } } class Type { /** @var SimpleType[] */ public $types; public static function fromNode(Node $node): Type { if ($node instanceof Node\UnionType) { return new Type(array_map(['SimpleType', 'fromNode'], $node->types)); } if ($node instanceof Node\NullableType) { return new Type( [ SimpleType::fromNode($node->type), SimpleType::null(), ] ); } return new Type([SimpleType::fromNode($node)]); } public static function fromString(string $typeString): self { $typeString .= "|"; $simpleTypes = []; $simpleTypeOffset = 0; $inArray = false; $typeStringLength = strlen($typeString); for ($i = 0; $i < $typeStringLength; $i++) { $char = $typeString[$i]; if ($char === "<") { $inArray = true; continue; } if ($char === ">") { $inArray = false; continue; } if ($inArray) { continue; } if ($char === "|") { $simpleTypeName = trim(substr($typeString, $simpleTypeOffset, $i - $simpleTypeOffset)); $simpleTypes[] = SimpleType::fromString($simpleTypeName); $simpleTypeOffset = $i + 1; } } return new Type($simpleTypes); } /** * @param SimpleType[] $types */ private function __construct(array $types) { $this->types = $types; } public function isScalar(): bool { foreach ($this->types as $type) { if (!$type->isScalar()) { return false; } } return true; } public function isNullable(): bool { foreach ($this->types as $type) { if ($type->isNull()) { return true; } } return false; } public function getWithoutNull(): Type { return new Type( array_filter( $this->types, function(SimpleType $type) { return !$type->isNull(); } ) ); } public function tryToSimpleType(): ?SimpleType { $withoutNull = $this->getWithoutNull(); if (count($withoutNull->types) === 1) { return $withoutNull->types[0]; } return null; } public function toArginfoType(): ArginfoType { $classTypes = []; $builtinTypes = []; foreach ($this->types as $type) { if ($type->isBuiltin) { $builtinTypes[] = $type; } else { $classTypes[] = $type; } } return new ArginfoType($classTypes, $builtinTypes); } public function toOptimizerTypeMask(): string { $optimizerTypes = []; foreach ($this->types as $type) { $optimizerTypes[] = $type->toOptimizerTypeMask(); } return implode("|", $optimizerTypes); } public function toOptimizerTypeMaskForArrayKey(): string { $typeMasks = []; foreach ($this->types as $type) { $typeMasks[] = $type->toOptimizerTypeMaskForArrayKey(); } return implode("|", $typeMasks); } public function toOptimizerTypeMaskForArrayValue(): string { $typeMasks = []; foreach ($this->types as $type) { $typeMasks[] = $type->toOptimizerTypeMaskForArrayValue(); } return implode("|", $typeMasks); } public function getTypeForDoc(DOMDocument $doc): DOMElement { if (count($this->types) > 1) { $typeElement = $doc->createElement('type'); $typeElement->setAttribute("class", "union"); foreach ($this->types as $type) { $unionTypeElement = $doc->createElement('type', $type->name); $typeElement->appendChild($unionTypeElement); } } else { $type = $this->types[0]; if ($type->isBuiltin && strtolower($type->name) === "true") { $name = "bool"; } else { $name = $type->name; } $typeElement = $doc->createElement('type', $name); } return $typeElement; } public static function equals(?Type $a, ?Type $b): bool { if ($a === null || $b === null) { return $a === $b; } if (count($a->types) !== count($b->types)) { return false; } for ($i = 0; $i < count($a->types); $i++) { if (!$a->types[$i]->equals($b->types[$i])) { return false; } } return true; } public function __toString() { if ($this->types === null) { return 'mixed'; } return implode('|', array_map( function ($type) { return $type->name; }, $this->types) ); } } class ArginfoType { /** @var SimpleType[] $classTypes */ public $classTypes; /** @var SimpleType[] $builtinTypes */ private $builtinTypes; /** * @param SimpleType[] $classTypes * @param SimpleType[] $builtinTypes */ public function __construct(array $classTypes, array $builtinTypes) { $this->classTypes = $classTypes; $this->builtinTypes = $builtinTypes; } public function hasClassType(): bool { return !empty($this->classTypes); } public function toClassTypeString(): string { return implode('|', array_map(function(SimpleType $type) { return $type->toEscapedName(); }, $this->classTypes)); } public function toTypeMask(): string { if (empty($this->builtinTypes)) { return '0'; } return implode('|', array_map(function(SimpleType $type) { return $type->toTypeMask(); }, $this->builtinTypes)); } } class ArgInfo { const SEND_BY_VAL = 0; const SEND_BY_REF = 1; const SEND_PREFER_REF = 2; /** @var string */ public $name; /** @var int */ public $sendBy; /** @var bool */ public $isVariadic; /** @var Type|null */ public $type; /** @var Type|null */ public $phpDocType; /** @var string|null */ public $defaultValue; public function __construct(string $name, int $sendBy, bool $isVariadic, ?Type $type, ?Type $phpDocType, ?string $defaultValue) { $this->name = $name; $this->sendBy = $sendBy; $this->isVariadic = $isVariadic; $this->setTypes($type, $phpDocType); $this->defaultValue = $defaultValue; } public function equals(ArgInfo $other): bool { return $this->name === $other->name && $this->sendBy === $other->sendBy && $this->isVariadic === $other->isVariadic && Type::equals($this->type, $other->type) && $this->defaultValue === $other->defaultValue; } public function getSendByString(): string { switch ($this->sendBy) { case self::SEND_BY_VAL: return "0"; case self::SEND_BY_REF: return "1"; case self::SEND_PREFER_REF: return "ZEND_SEND_PREFER_REF"; } throw new Exception("Invalid sendBy value"); } public function getMethodSynopsisType(): Type { if ($this->type) { return $this->type; } if ($this->phpDocType) { return $this->phpDocType; } throw new Exception("A parameter must have a type"); } public function hasProperDefaultValue(): bool { return $this->defaultValue !== null && $this->defaultValue !== "UNKNOWN"; } public function getDefaultValueAsArginfoString(): string { if ($this->hasProperDefaultValue()) { return '"' . addslashes($this->defaultValue) . '"'; } return "NULL"; } public function getDefaultValueAsMethodSynopsisString(): ?string { if ($this->defaultValue === null) { return null; } switch ($this->defaultValue) { case 'UNKNOWN': return null; case 'false': case 'true': case 'null': return "&{$this->defaultValue};"; } return $this->defaultValue; } private function setTypes(?Type $type, ?Type $phpDocType): void { if ($phpDocType !== null && Type::equals($type, $phpDocType)) { throw new Exception('PHPDoc param type "' . $phpDocType->__toString() . '" is unnecessary'); } $this->type = $type; $this->phpDocType = $phpDocType; } } class PropertyName { /** @var Name */ public $class; /** @var string */ public $property; public function __construct(Name $class, string $property) { $this->class = $class; $this->property = $property; } public function __toString() { return $this->class->toString() . "::$" . $this->property; } } interface FunctionOrMethodName { public function getDeclaration(): string; public function getArgInfoName(): string; public function getMethodSynopsisFilename(): string; public function __toString(): string; public function isMethod(): bool; public function isConstructor(): bool; public function isDestructor(): bool; } class FunctionName implements FunctionOrMethodName { /** @var Name */ private $name; public function __construct(Name $name) { $this->name = $name; } public function getNamespace(): ?string { if ($this->name->isQualified()) { return $this->name->slice(0, -1)->toString(); } return null; } public function getNonNamespacedName(): string { if ($this->name->isQualified()) { throw new Exception("Namespaced name not supported here"); } return $this->name->toString(); } public function getDeclarationName(): string { return $this->name->getLast(); } public function getDeclaration(): string { return "ZEND_FUNCTION({$this->getDeclarationName()});\n"; } public function getArgInfoName(): string { $underscoreName = implode('_', $this->name->parts); return "arginfo_$underscoreName"; } public function getMethodSynopsisFilename(): string { return implode('_', $this->name->parts); } public function __toString(): string { return $this->name->toString(); } public function isMethod(): bool { return false; } public function isConstructor(): bool { return false; } public function isDestructor(): bool { return false; } } class MethodName implements FunctionOrMethodName { /** @var Name */ private $className; /** @var string */ public $methodName; public function __construct(Name $className, string $methodName) { $this->className = $className; $this->methodName = $methodName; } public function getDeclarationClassName(): string { return implode('_', $this->className->parts); } public function getDeclaration(): string { return "ZEND_METHOD({$this->getDeclarationClassName()}, $this->methodName);\n"; } public function getArgInfoName(): string { return "arginfo_class_{$this->getDeclarationClassName()}_{$this->methodName}"; } public function getMethodSynopsisFilename(): string { return $this->getDeclarationClassName() . "_{$this->methodName}"; } public function __toString(): string { return "$this->className::$this->methodName"; } public function isMethod(): bool { return true; } public function isConstructor(): bool { return $this->methodName === "__construct"; } public function isDestructor(): bool { return $this->methodName === "__destruct"; } } class ReturnInfo { const REFCOUNT_0 = "0"; const REFCOUNT_1 = "1"; const REFCOUNT_N = "N"; const REFCOUNTS = [ self::REFCOUNT_0, self::REFCOUNT_1, self::REFCOUNT_N, ]; /** @var bool */ public $byRef; /** @var Type|null */ public $type; /** @var Type|null */ public $phpDocType; /** @var bool */ public $tentativeReturnType; /** @var string */ public $refcount; public function __construct(bool $byRef, ?Type $type, ?Type $phpDocType, bool $tentativeReturnType, ?string $refcount) { $this->byRef = $byRef; $this->setTypes($type, $phpDocType, $tentativeReturnType); $this->setRefcount($refcount); } public function equalsApartFromPhpDocAndRefcount(ReturnInfo $other): bool { return $this->byRef === $other->byRef && Type::equals($this->type, $other->type) && $this->tentativeReturnType === $other->tentativeReturnType; } public function getMethodSynopsisType(): ?Type { return $this->type ?? $this->phpDocType; } private function setTypes(?Type $type, ?Type $phpDocType, bool $tentativeReturnType): void { if ($phpDocType !== null && Type::equals($type, $phpDocType)) { throw new Exception('PHPDoc return type "' . $phpDocType->__toString() . '" is unnecessary'); } $this->type = $type; $this->phpDocType = $phpDocType; $this->tentativeReturnType = $tentativeReturnType; } private function setRefcount(?string $refcount): void { $type = $this->phpDocType ?? $this->type; $isScalarType = $type !== null && $type->isScalar(); if ($refcount === null) { $this->refcount = $isScalarType ? self::REFCOUNT_0 : self::REFCOUNT_N; return; } if (!in_array($refcount, ReturnInfo::REFCOUNTS, true)) { throw new Exception("@refcount must have one of the following values: \"0\", \"1\", \"N\", $refcount given"); } if ($isScalarType && $refcount !== self::REFCOUNT_0) { throw new Exception('A scalar return type of "' . $type->__toString() . '" must have a refcount of "' . self::REFCOUNT_0 . '"'); } if (!$isScalarType && $refcount === self::REFCOUNT_0) { throw new Exception('A non-scalar return type of "' . $type->__toString() . '" cannot have a refcount of "' . self::REFCOUNT_0 . '"'); } $this->refcount = $refcount; } } 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; /** * @param ArgInfo[] $args */ 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 equalsApartFromNameAndRefcount(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 $this->return->equalsApartFromPhpDocAndRefcount($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, $this->getArgInfoName()); } } else { throw new Error("Cannot happen"); } } public function getOptimizerInfo(): ?string { if ($this->isMethod()) { return null; } if ($this->alias !== null) { return null; } if ($this->return->refcount !== ReturnInfo::REFCOUNT_1 && $this->return->phpDocType === null) { return null; } $type = $this->return->phpDocType ?? $this->return->type; if ($type === null) { return null; } return " F" . $this->return->refcount . '("' . $this->name->__toString() . '", ' . $type->toOptimizerTypeMask() . "),\n"; } public function discardInfoForOldPhpVersions(): void { $this->return->type = null; foreach ($this->args as $arg) { $arg->type = null; $arg->defaultValue = null; } } 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 array<string, FuncInfo> $funcMap * @param array<string, 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 array<string, FuncInfo> $funcMap * @param array<string, 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) { $methodSynopsis->appendChild($returnType->getTypeForDoc($doc)); } $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); $methodparam->appendChild($arg->getMethodSynopsisType()->getTypeForDoc($doc)); $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 $methodSynopsis; } public function __clone() { foreach ($this->args as $key => $argInfo) { $this->args[$key] = clone $argInfo; } $this->return = clone $this->return; } } function initializeZval(string $zvalName, $value): string { $code = "\tzval $zvalName;\n"; switch (gettype($value)) { case "NULL": $code .= "\tZVAL_NULL(&$zvalName);\n"; break; case "boolean": $code .= "\tZVAL_BOOL(&$zvalName, " . ((int) $value) . ");\n"; break; case "integer": $code .= "\tZVAL_LONG(&$zvalName, $value);\n"; break; case "double": $code .= "\tZVAL_DOUBLE(&$zvalName, $value);\n"; break; case "string": if ($value === "") { $code .= "\tZVAL_EMPTY_STRING(&$zvalName);\n"; } else { $strValue = addslashes($value); $code .= "\tzend_string *{$zvalName}_str = zend_string_init(\"$strValue\", sizeof(\"$strValue\") - 1, 1);\n"; $code .= "\tZVAL_STR(&$zvalName, {$zvalName}_str);\n"; } break; case "array": if (empty($value)) { $code .= "\tZVAL_EMPTY_ARRAY(&$zvalName);\n"; } else { throw new Exception("Unimplemented default value"); } break; default: throw new Exception("Invalid default value"); } return $code; } class PropertyInfo { /** @var PropertyName */ public $name; /** @var int */ public $flags; /** @var Type|null */ public $type; /** @var Type|null */ public $phpDocType; /** @var Expr|null */ public $defaultValue; /** @var string|null */ public $defaultValueString; /** @var bool */ public $isDocReadonly; /** @var string|null */ public $link; public function __construct( PropertyName $name, int $flags, ?Type $type, ?Type $phpDocType, ?Expr $defaultValue, ?string $defaultValueString, bool $isDocReadonly, ?string $link ) { $this->name = $name; $this->flags = $flags; $this->type = $type; $this->phpDocType = $phpDocType; $this->defaultValue = $defaultValue; $this->defaultValueString = $defaultValueString; $this->isDocReadonly = $isDocReadonly; $this->link = $link; } public function discardInfoForOldPhpVersions(): void { $this->type = null; } public function getDeclaration(): string { $code = "\n"; $propertyName = $this->name->property; $defaultValueConstant = false; if ($this->defaultValue === null) { $defaultValue = null; } else { $defaultValue = $this->evaluateDefaultValue($defaultValueConstant); } if ($defaultValueConstant) { echo "Skipping code generation for property $this->name, because it has a constant default value\n"; return ""; } $typeCode = ""; if ($this->type) { $arginfoType = $this->type->toArginfoType(); if ($arginfoType->hasClassType()) { if (count($arginfoType->classTypes) >= 2) { foreach ($arginfoType->classTypes as $classType) { $escapedClassName = $classType->toEscapedName(); $varEscapedClassName = $classType->toVarEscapedName(); $code .= "\tzend_string *property_{$propertyName}_class_{$varEscapedClassName} = zend_string_init(\"{$escapedClassName}\", sizeof(\"{$escapedClassName}\") - 1, 1);\n"; } $classTypeCount = count($arginfoType->classTypes); $code .= "\tzend_type_list *property_{$propertyName}_type_list = malloc(ZEND_TYPE_LIST_SIZE($classTypeCount));\n"; $code .= "\tproperty_{$propertyName}_type_list->num_types = $classTypeCount;\n"; foreach ($arginfoType->classTypes as $k => $classType) { $escapedClassName = $classType->toEscapedName(); $code .= "\tproperty_{$propertyName}_type_list->types[$k] = (zend_type) ZEND_TYPE_INIT_CLASS(property_{$propertyName}_class_{$escapedClassName}, 0, 0);\n"; } $typeMaskCode = $this->type->toArginfoType()->toTypeMask(); $code .= "\tzend_type property_{$propertyName}_type = ZEND_TYPE_INIT_UNION(property_{$propertyName}_type_list, $typeMaskCode);\n"; $typeCode = "property_{$propertyName}_type"; } else { $escapedClassName = $arginfoType->classTypes[0]->toEscapedName(); $varEscapedClassName = $arginfoType->classTypes[0]->toVarEscapedName(); $code .= "\tzend_string *property_{$propertyName}_class_{$varEscapedClassName} = zend_string_init(\"{$escapedClassName}\", sizeof(\"${escapedClassName}\")-1, 1);\n"; $typeCode = "(zend_type) ZEND_TYPE_INIT_CLASS(property_{$propertyName}_class_{$varEscapedClassName}, 0, " . $arginfoType->toTypeMask() . ")"; } } else { $typeCode = "(zend_type) ZEND_TYPE_INIT_MASK(" . $arginfoType->toTypeMask() . ")"; } } $zvalName = "property_{$this->name->property}_default_value"; if ($this->defaultValue === null && $this->type !== null) { $code .= "\tzval $zvalName;\n\tZVAL_UNDEF(&$zvalName);\n"; } else { $code .= initializeZval($zvalName, $defaultValue); } $code .= "\tzend_string *property_{$propertyName}_name = zend_string_init(\"$propertyName\", sizeof(\"$propertyName\") - 1, 1);\n"; $nameCode = "property_{$propertyName}_name"; if ($this->type !== null) { $code .= "\tzend_declare_typed_property(class_entry, $nameCode, &$zvalName, " . $this->getFlagsAsString() . ", NULL, $typeCode);\n"; } else { $code .= "\tzend_declare_property_ex(class_entry, $nameCode, &$zvalName, " . $this->getFlagsAsString() . ", NULL);\n"; } $code .= "\tzend_string_release(property_{$propertyName}_name);\n"; return $code; } private function getFlagsAsString(): 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_READONLY) { $flags .= "|ZEND_ACC_READONLY"; } return $flags; } public function getFieldSynopsisElement(DOMDocument $doc): DOMElement { $fieldsynopsisElement = $doc->createElement("fieldsynopsis"); if ($this->flags & Class_::MODIFIER_PUBLIC) { $fieldsynopsisElement->appendChild(new DOMText("\n ")); $fieldsynopsisElement->appendChild($doc->createElement("modifier", "public")); } elseif ($this->flags & Class_::MODIFIER_PROTECTED) { $fieldsynopsisElement->appendChild(new DOMText("\n ")); $fieldsynopsisElement->appendChild($doc->createElement("modifier", "protected")); } elseif ($this->flags & Class_::MODIFIER_PRIVATE) { $fieldsynopsisElement->appendChild(new DOMText("\n ")); $fieldsynopsisElement->appendChild($doc->createElement("modifier", "private")); } if ($this->flags & Class_::MODIFIER_STATIC) { $fieldsynopsisElement->appendChild(new DOMText("\n ")); $fieldsynopsisElement->appendChild($doc->createElement("modifier", "static")); } elseif ($this->flags & Class_::MODIFIER_READONLY || $this->isDocReadonly) { $fieldsynopsisElement->appendChild(new DOMText("\n ")); $fieldsynopsisElement->appendChild($doc->createElement("modifier", "readonly")); } $fieldsynopsisElement->appendChild(new DOMText("\n ")); $fieldsynopsisElement->appendChild($this->getFieldSynopsisType()->getTypeForDoc($doc)); $className = str_replace(["\\", "_"], ["-", "-"], $this->name->class->toLowerString()); $varnameElement = $doc->createElement("varname", $this->name->property); if ($this->link) { $varnameElement->setAttribute("linkend", $this->link); } else { $varnameElement->setAttribute("linkend", "$className.props." . strtolower(str_replace("_", "-", $this->name->property))); } $fieldsynopsisElement->appendChild(new DOMText("\n ")); $fieldsynopsisElement->appendChild($varnameElement); if ($this->defaultValueString) { $fieldsynopsisElement->appendChild(new DOMText("\n ")); $initializerElement = $doc->createElement("initializer", $this->defaultValueString); $fieldsynopsisElement->appendChild($initializerElement); } $fieldsynopsisElement->appendChild(new DOMText("\n ")); return $fieldsynopsisElement; } private function getFieldSynopsisType(): Type { if ($this->phpDocType) { return $this->phpDocType; } if ($this->type) { return $this->type; } throw new Exception("A property must have a type"); } /** @return mixed */ private function evaluateDefaultValue(bool &$defaultValueConstant) { $evaluator = new ConstExprEvaluator( function (Expr $expr) use (&$defaultValueConstant) { if ($expr instanceof Expr\ConstFetch) { $defaultValueConstant = true; return null; } throw new Exception("Property $this->name has an unsupported default value"); } ); return $evaluator->evaluateDirectly($this->defaultValue); } public function __clone() { if ($this->type) { $this->type = clone $this->type; } } } class EnumCaseInfo { /** @var string */ public $name; /** @var Expr|null */ public $value; public function __construct(string $name, ?Expr $value) { $this->name = $name; $this->value = $value; } public function getDeclaration(): string { $escapedName = addslashes($this->name); if ($this->value === null) { $code = "\n\tzend_enum_add_case_cstr(class_entry, \"$escapedName\", NULL);\n"; } else { $evaluator = new ConstExprEvaluator(function (Expr $expr) { throw new Exception("Enum case $this->name has an unsupported value"); }); $zvalName = "enum_case_{$escapedName}_value"; $code = "\n" . initializeZval($zvalName, $evaluator->evaluateDirectly($this->value)); $code .= "\tzend_enum_add_case_cstr(class_entry, \"$escapedName\", &$zvalName);\n"; } return $code; } } class ClassInfo { /** @var Name */ public $name; /** @var int */ public $flags; /** @var string */ public $type; /** @var string|null */ public $alias; /** @var SimpleType|null */ public $enumBackingType; /** @var bool */ public $isDeprecated; /** @var bool */ public $isStrictProperties; /** @var bool */ public $isNotSerializable; /** @var Name[] */ public $extends; /** @var Name[] */ public $implements; /** @var PropertyInfo[] */ public $propertyInfos; /** @var FuncInfo[] */ public $funcInfos; /** @var EnumCaseInfo[] */ public $enumCaseInfos; /** * @param Name[] $extends * @param Name[] $implements * @param PropertyInfo[] $propertyInfos * @param FuncInfo[] $funcInfos * @param EnumCaseInfo[] $enumCaseInfos */ public function __construct( Name $name, int $flags, string $type, ?string $alias, ?SimpleType $enumBackingType, bool $isDeprecated, bool $isStrictProperties, bool $isNotSerializable, array $extends, array $implements, array $propertyInfos, array $funcInfos, array $enumCaseInfos ) { $this->name = $name; $this->flags = $flags; $this->type = $type; $this->alias = $alias; $this->enumBackingType = $enumBackingType; $this->isDeprecated = $isDeprecated; $this->isStrictProperties = $isStrictProperties; $this->isNotSerializable = $isNotSerializable; $this->extends = $extends; $this->implements = $implements; $this->propertyInfos = $propertyInfos; $this->funcInfos = $funcInfos; $this->enumCaseInfos = $enumCaseInfos; } public function getRegistration(): string { $params = []; foreach ($this->extends as $extends) { $params[] = "zend_class_entry *class_entry_" . implode("_", $extends->parts); } foreach ($this->implements as $implements) { $params[] = "zend_class_entry *class_entry_" . implode("_", $implements->parts); } $escapedName = implode("_", $this->name->parts); $code = "static zend_class_entry *register_class_$escapedName(" . (empty($params) ? "void" : implode(", ", $params)) . ")\n"; $code .= "{\n"; if ($this->type == "enum") { $name = addslashes((string) $this->name); $backingType = $this->enumBackingType ? $this->enumBackingType->toTypeCode() : "IS_UNDEF"; $code .= "\tzend_class_entry *class_entry = zend_register_internal_enum(\"$name\", $backingType, class_{$escapedName}_methods);\n"; } else { $code .= "\tzend_class_entry ce, *class_entry;\n\n"; if (count($this->name->parts) > 1) { $className = $this->name->getLast(); $namespace = addslashes((string) $this->name->slice(0, -1)); $code .= "\tINIT_NS_CLASS_ENTRY(ce, \"$namespace\", \"$className\", class_{$escapedName}_methods);\n"; } else { $code .= "\tINIT_CLASS_ENTRY(ce, \"$this->name\", class_{$escapedName}_methods);\n"; } if ($this->type === "class" || $this->type === "trait") { $code .= "\tclass_entry = zend_register_internal_class_ex(&ce, " . (isset($this->extends[0]) ? "class_entry_" . str_replace("\\", "_", $this->extends[0]->toString()) : "NULL") . ");\n"; } else { $code .= "\tclass_entry = zend_register_internal_interface(&ce);\n"; } } if ($this->getFlagsAsString()) { $code .= "\tclass_entry->ce_flags |= " . $this->getFlagsAsString() . ";\n"; } $implements = array_map( function (Name $item) { return "class_entry_" . implode("_", $item->parts); }, $this->type === "interface" ? $this->extends : $this->implements ); if (!empty($implements)) { $code .= "\tzend_class_implements(class_entry, " . count($implements) . ", " . implode(", ", $implements) . ");\n"; } if ($this->alias) { $code .= "\tzend_register_class_alias(\"" . str_replace("\\", "\\\\", $this->alias) . "\", class_entry);\n"; } foreach ($this->enumCaseInfos as $enumCase) { $code .= $enumCase->getDeclaration(); } foreach ($this->propertyInfos as $property) { $code .= $property->getDeclaration(); } $code .= "\n\treturn class_entry;\n"; $code .= "}\n"; return $code; } private function getFlagsAsString(): string { $flags = []; if ($this->type === "trait") { $flags[] = "ZEND_ACC_TRAIT"; } if ($this->flags & Class_::MODIFIER_FINAL) { $flags[] = "ZEND_ACC_FINAL"; } if ($this->flags & Class_::MODIFIER_ABSTRACT) { $flags[] = "ZEND_ACC_ABSTRACT"; } if ($this->isDeprecated) { $flags[] = "ZEND_ACC_DEPRECATED"; } if ($this->isStrictProperties) { $flags[] = "ZEND_ACC_NO_DYNAMIC_PROPERTIES"; } if ($this->isNotSerializable) { $flags[] = "ZEND_ACC_NOT_SERIALIZABLE"; } return implode("|", $flags); } /** * @param array<string, ClassInfo> $classMap */ public function getClassSynopsisDocument(array $classMap): ?string { $doc = new DOMDocument(); $doc->formatOutput = true; $classSynopsis = $this->getClassSynopsisElement($doc, $classMap); if (!$classSynopsis) { return null; } $doc->appendChild($classSynopsis); return $doc->saveXML(); } /** * @param ClassInfo[] $classMap */ public function getClassSynopsisElement(DOMDocument $doc, array $classMap): ?DOMElement { $classSynopsis = $doc->createElement("classsynopsis"); $classSynopsis->appendChild(new DOMText("\n ")); $ooElement = self::createOoElement($doc, $this, true, false, false, 4); if (!$ooElement) { return null; } $classSynopsis->appendChild($ooElement); $classSynopsis->appendChild(new DOMText("\n\n ")); $classSynopsisInfo = $doc->createElement("classsynopsisinfo"); $classSynopsisInfo->appendChild(new DOMText("\n ")); $ooElement = self::createOoElement($doc, $this, false, true, false, 5); if (!$ooElement) { return null; } $classSynopsisInfo->appendChild($ooElement); $classSynopsis->appendChild($classSynopsisInfo); foreach ($this->extends as $k => $parent) { $parentInfo = $classMap[$parent->toString()] ?? null; if ($parentInfo === null) { throw new Exception("Missing parent class " . $parent->toString()); } $ooElement = self::createOoElement( $doc, $parentInfo, $this->type === "interface", false, $k === 0, 5 ); if (!$ooElement) { return null; } $classSynopsisInfo->appendChild(new DOMText("\n\n ")); $classSynopsisInfo->appendChild($ooElement); } foreach ($this->implements as $interface) { $interfaceInfo = $classMap[$interface->toString()] ?? null; if (!$interfaceInfo) { throw new Exception("Missing implemented interface " . $interface->toString()); } $ooElement = self::createOoElement($doc, $interfaceInfo, false, false, false, 5); if (!$ooElement) { return null; } $classSynopsisInfo->appendChild(new DOMText("\n\n ")); $classSynopsisInfo->appendChild($ooElement); } $classSynopsisInfo->appendChild(new DOMText("\n ")); /** @var Name[] $parentsWithInheritedProperties */ $parentsWithInheritedProperties = []; /** @var Name[] $parentsWithInheritedMethods */ $parentsWithInheritedMethods = []; $this->collectInheritedMembers($parentsWithInheritedProperties, $parentsWithInheritedMethods, $classMap); if (!empty($this->propertyInfos)) { $classSynopsis->appendChild(new DOMText("\n\n ")); $classSynopsisInfo = $doc->createElement("classsynopsisinfo", "&Properties;"); $classSynopsisInfo->setAttribute("role", "comment"); $classSynopsis->appendChild($classSynopsisInfo); foreach ($this->propertyInfos as $propertyInfo) { $classSynopsis->appendChild(new DOMText("\n ")); $fieldSynopsisElement = $propertyInfo->getFieldSynopsisElement($doc); $classSynopsis->appendChild($fieldSynopsisElement); } } if (!empty($parentsWithInheritedProperties)) { $classSynopsis->appendChild(new DOMText("\n\n ")); $classSynopsisInfo = $doc->createElement("classsynopsisinfo", "&InheritedProperties;"); $classSynopsisInfo->setAttribute("role", "comment"); $classSynopsis->appendChild($classSynopsisInfo); foreach ($parentsWithInheritedProperties as $parent) { $classSynopsis->appendChild(new DOMText("\n ")); $parentReference = self::getClassSynopsisReference($parent); $includeElement = $this->createIncludeElement( $doc, "xmlns(db=http://docbook.org/ns/docbook) xpointer(id('$parentReference')/db:partintro/db:section/db:classsynopsis/db:fieldsynopsis[preceding-sibling::db:classsynopsisinfo[1][@role='comment' and text()='&Properties;']]))" ); $classSynopsis->appendChild($includeElement); } } if (!empty($this->funcInfos)) { $classSynopsis->appendChild(new DOMText("\n\n ")); $classSynopsisInfo = $doc->createElement("classsynopsisinfo", "&Methods;"); $classSynopsisInfo->setAttribute("role", "comment"); $classSynopsis->appendChild($classSynopsisInfo); $classReference = self::getClassSynopsisReference($this->name); if ($this->hasConstructor()) { $classSynopsis->appendChild(new DOMText("\n ")); $includeElement = $this->createIncludeElement( $doc, "xmlns(db=http://docbook.org/ns/docbook) xpointer(id('$classReference')/db:refentry/db:refsect1[@role='description']/descendant::db:constructorsynopsis[not(@role='procedural')])" ); $classSynopsis->appendChild($includeElement); } if ($this->hasMethods()) { $classSynopsis->appendChild(new DOMText("\n ")); $includeElement = $this->createIncludeElement( $doc, "xmlns(db=http://docbook.org/ns/docbook) xpointer(id('$classReference')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[not(@role='procedural')])" ); $classSynopsis->appendChild($includeElement); } if ($this->hasDestructor()) { $classSynopsis->appendChild(new DOMText("\n ")); $includeElement = $this->createIncludeElement( $doc, "xmlns(db=http://docbook.org/ns/docbook) xpointer(id('$classReference')/db:refentry/db:refsect1[@role='description']/descendant::db:destructorsynopsis[not(@role='procedural')])" ); $classSynopsis->appendChild($includeElement); } } if (!empty($parentsWithInheritedMethods)) { $classSynopsis->appendChild(new DOMText("\n\n ")); $classSynopsisInfo = $doc->createElement("classsynopsisinfo", "&InheritedMethods;"); $classSynopsisInfo->setAttribute("role", "comment"); $classSynopsis->appendChild($classSynopsisInfo); foreach ($parentsWithInheritedMethods as $parent) { $classSynopsis->appendChild(new DOMText("\n ")); $parentReference = self::getClassSynopsisReference($parent); $includeElement = $this->createIncludeElement( $doc, "xmlns(db=http://docbook.org/ns/docbook) xpointer(id('$parentReference')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[not(@role='procedural')])" ); $classSynopsis->appendChild($includeElement); } } $classSynopsis->appendChild(new DOMText("\n ")); return $classSynopsis; } private static function createOoElement( DOMDocument $doc, ClassInfo $classInfo, bool $overrideToClass, bool $withModifiers, bool $isExtends, int $indentationLevel ): ?DOMElement { $indentation = str_repeat(" ", $indentationLevel); if ($classInfo->type !== "class" && $classInfo->type !== "interface") { echo "Class synopsis generation is not implemented for " . $classInfo->type . "\n"; return null; } $type = $overrideToClass ? "class" : $classInfo->type; $ooElement = $doc->createElement("oo$type"); $ooElement->appendChild(new DOMText("\n$indentation ")); if ($isExtends) { $ooElement->appendChild($doc->createElement('modifier', 'extends')); $ooElement->appendChild(new DOMText("\n$indentation ")); } elseif ($withModifiers) { if ($classInfo->flags & Class_::MODIFIER_FINAL) { $ooElement->appendChild($doc->createElement('modifier', 'final')); $ooElement->appendChild(new DOMText("\n$indentation ")); } if ($classInfo->flags & Class_::MODIFIER_ABSTRACT) { $ooElement->appendChild($doc->createElement('modifier', 'abstract')); $ooElement->appendChild(new DOMText("\n$indentation ")); } } $nameElement = $doc->createElement("{$type}name", $classInfo->name->toString()); $ooElement->appendChild($nameElement); $ooElement->appendChild(new DOMText("\n$indentation")); return $ooElement; } public static function getClassSynopsisFilename(Name $name): string { return strtolower(str_replace("_", "-", implode('-', $name->parts))); } public static function getClassSynopsisReference(Name $name): string { return "class." . self::getClassSynopsisFilename($name); } /** * @param Name[] $parentsWithInheritedProperties * @param Name[] $parentsWithInheritedMethods * @param array<string, ClassInfo> $classMap */ private function collectInheritedMembers(array &$parentsWithInheritedProperties, array &$parentsWithInheritedMethods, array $classMap): void { foreach ($this->extends as $parent) { $parentInfo = $classMap[$parent->toString()] ?? null; if (!$parentInfo) { throw new Exception("Missing parent class " . $parent->toString()); } if (!empty($parentInfo->propertyInfos) && !isset($parentsWithInheritedProperties[$parent->toString()])) { $parentsWithInheritedProperties[$parent->toString()] = $parent; } if (!isset($parentsWithInheritedMethods[$parent->toString()]) && $parentInfo->hasMethods()) { $parentsWithInheritedMethods[$parent->toString()] = $parent; } $parentInfo->collectInheritedMembers($parentsWithInheritedProperties, $parentsWithInheritedMethods, $classMap); } } private function hasConstructor(): bool { foreach ($this->funcInfos as $funcInfo) { if ($funcInfo->name->isConstructor()) { return true; } } return false; } private function hasDestructor(): bool { foreach ($this->funcInfos as $funcInfo) { if ($funcInfo->name->isDestructor()) { return true; } } return false; } private function hasMethods(): bool { foreach ($this->funcInfos as $funcInfo) { if (!$funcInfo->name->isConstructor() && !$funcInfo->name->isDestructor()) { return true; } } return false; } private function createIncludeElement(DOMDocument $doc, string $query): DOMElement { $includeElement = $doc->createElement("xi:include"); $attr = $doc->createAttribute("xpointer"); $attr->value = $query; $includeElement->appendChild($attr); $fallbackElement = $doc->createElement("xi:fallback"); $includeElement->appendChild(new DOMText("\n ")); $includeElement->appendChild($fallbackElement); $includeElement->appendChild(new DOMText("\n ")); return $includeElement; } public function __clone() { foreach ($this->propertyInfos as $key => $propertyInfo) { $this->propertyInfos[$key] = clone $propertyInfo; } foreach ($this->funcInfos as $key => $funcInfo) { $this->funcInfos[$key] = clone $funcInfo; } } } class FileInfo { /** @var FuncInfo[] */ public $funcInfos = []; /** @var ClassInfo[] */ public $classInfos = []; /** @var bool */ public $generateFunctionEntries = false; /** @var string */ public $declarationPrefix = ""; /** @var bool */ public $generateLegacyArginfo = false; /** @var bool */ public $generateClassEntries = false; /** * @return iterable<FuncInfo> */ public function getAllFuncInfos(): iterable { yield from $this->funcInfos; foreach ($this->classInfos as $classInfo) { yield from $classInfo->funcInfos; } } /** * @return iterable<PropertyInfo> */ public function getAllPropertyInfos(): iterable { foreach ($this->classInfos as $classInfo) { yield from $classInfo->propertyInfos; } } public function __clone() { foreach ($this->funcInfos as $key => $funcInfo) { $this->funcInfos[$key] = clone $funcInfo; } foreach ($this->classInfos as $key => $classInfo) { $this->classInfos[$key] = clone $classInfo; } } } 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" || $this->name === "var") { preg_match('/^\s*([\w\|\\\\\[\]<>, ]+)/', $value, $matches); } if (!isset($matches[1])) { throw new Exception("@$this->name doesn't contain a type or has an invalid format \"$value\""); } return trim($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])) { 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 { try { $comment = $func->getDocComment(); $paramMeta = []; $aliasType = null; $alias = null; $isDeprecated = false; $verify = true; $docReturnType = null; $tentativeReturnType = false; $docParamTypes = []; $refcount = null; if ($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 === 'tentative-return-type') { $tentativeReturnType = true; } else if ($tag->name === 'return') { $docReturnType = $tag->getType(); } else if ($tag->name === 'param') { $docParamTypes[$tag->getVariableName()] = $tag->getType(); } else if ($tag->name === 'refcount') { $refcount = $tag->getValue(); } } } $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"); } $varNameSet[$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("Only the last parameter can be variadic"); } $type = $param->type ? Type::fromNode($param->type) : null; if ($type === null && !isset($docParamTypes[$varName])) { throw new Exception("Missing parameter type"); } if ($param->default instanceof Expr\ConstFetch && $param->default->name->toLowerString() === "null" && $type && !$type->isNullable() ) { $simpleType = $type->tryToSimpleType(); if ($simpleType === null) { throw new Exception("Parameter $varName has null default, but is not nullable"); } } if ($param->default instanceof Expr\ClassConstFetch && $param->default->class->toLowerString() === "self") { throw new Exception('The exact class name must be used instead of "self"'); } $foundVariadic = $param->variadic; $args[] = new ArgInfo( $varName, $sendBy, $param->variadic, $type, isset($docParamTypes[$varName]) ? Type::fromString($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"); } $returnType = $func->getReturnType(); if ($returnType === null && $docReturnType === null && !$name->isConstructor() && !$name->isDestructor()) { throw new Exception("Missing return type"); } $return = new ReturnInfo( $func->returnsByRef(), $returnType ? Type::fromNode($returnType) : null, $docReturnType ? Type::fromString($docReturnType) : null, $tentativeReturnType, $refcount ); return new FuncInfo( $name, $classFlags, $flags, $aliasType, $alias, $isDeprecated, $verify, $args, $return, $numRequiredArgs, $cond ); } catch (Exception $e) { throw new Exception($name . "(): " .$e->getMessage()); } } function parseProperty( Name $class, int $flags, Stmt\PropertyProperty $property, ?Node $type, ?DocComment $comment, PrettyPrinterAbstract $prettyPrinter ): PropertyInfo { $phpDocType = null; $isDocReadonly = false; $link = null; if ($comment) { $tags = parseDocComment($comment); foreach ($tags as $tag) { if ($tag->name === 'var') { $phpDocType = $tag->getType(); } elseif ($tag->name === 'readonly') { $isDocReadonly = true; } elseif ($tag->name === 'link') { $link = $tag->value; } } } $propertyType = $type ? Type::fromNode($type) : null; if ($propertyType === null && !$phpDocType) { throw new Exception("Missing type for property $class::\$$property->name"); } if ($property->default instanceof Expr\ConstFetch && $property->default->name->toLowerString() === "null" && $propertyType && !$propertyType->isNullable() ) { $simpleType = $propertyType->tryToSimpleType(); if ($simpleType === null) { throw new Exception( "Property $class::\$$property->name has null default, but is not nullable"); } } return new PropertyInfo( new PropertyName($class, $property->name->__toString()), $flags, $propertyType, $phpDocType ? Type::fromString($phpDocType) : null, $property->default, $property->default ? $prettyPrinter->prettyPrintExpr($property->default) : null, $isDocReadonly, $link ); } /** * @param PropertyInfo[] $properties * @param FuncInfo[] $methods * @param EnumCaseInfo[] $enumCases */ function parseClass( Name $name, Stmt\ClassLike $class, array $properties, array $methods, array $enumCases ): ClassInfo { $flags = $class instanceof Class_ ? $class->flags : 0; $comment = $class->getDocComment(); $alias = null; $isDeprecated = false; $isStrictProperties = false; $isNotSerializable = false; if ($comment) { $tags = parseDocComment($comment); foreach ($tags as $tag) { if ($tag->name === 'alias') { $alias = $tag->getValue(); } else if ($tag->name === 'deprecated') { $isDeprecated = true; } else if ($tag->name === 'strict-properties') { $isStrictProperties = true; } else if ($tag->name === 'not-serializable') { $isNotSerializable = true; } } } $extends = []; $implements = []; if ($class instanceof Class_) { $classKind = "class"; if ($class->extends) { $extends[] = $class->extends; } $implements = $class->implements; } elseif ($class instanceof Interface_) { $classKind = "interface"; $extends = $class->extends; } else if ($class instanceof Trait_) { $classKind = "trait"; } else if ($class instanceof Enum_) { $classKind = "enum"; $implements = $class->implements; } else { throw new Exception("Unknown class kind " . get_class($class)); } return new ClassInfo( $name, $flags, $classKind, $alias, $class instanceof Enum_ && $class->scalarType !== null ? SimpleType::fromNode($class->scalarType) : null, $isDeprecated, $isStrictProperties, $isNotSerializable, $extends, $implements, $properties, $methods, $enumCases ); } function handlePreprocessorConditions(array &$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; $propertyInfos = []; $methodInfos = []; $enumCaseInfos = []; foreach ($stmt->stmts as $classStmt) { $cond = handlePreprocessorConditions($conds, $classStmt); if ($classStmt instanceof Stmt\Nop) { continue; } $classFlags = $stmt instanceof Class_ ? $stmt->flags : 0; $abstractFlag = $stmt instanceof Stmt\Interface_ ? Class_::MODIFIER_ABSTRACT : 0; if ($classStmt instanceof Stmt\Property) { if (!($classStmt->flags & Class_::VISIBILITY_MODIFIER_MASK)) { throw new Exception("Visibility modifier is required"); } foreach ($classStmt->props as $property) { $propertyInfos[] = parseProperty( $className, $classStmt->flags, $property, $classStmt->type, $classStmt->getDocComment(), $prettyPrinter ); } } else if ($classStmt instanceof Stmt\ClassMethod) { if (!($classStmt->flags & Class_::VISIBILITY_MODIFIER_MASK)) { throw new Exception("Visibility modifier is required"); } $methodInfos[] = parseFunctionLike( $prettyPrinter, new MethodName($className, $classStmt->name->toString()), $classFlags, $classStmt->flags | $abstractFlag, $classStmt, $cond ); } else if ($classStmt instanceof Stmt\EnumCase) { $enumCaseInfos[] = new EnumCaseInfo( $classStmt->name->toString(), $classStmt->expr); } else { throw new Exception("Not implemented {$classStmt->getType()}"); } } $fileInfo->classInfos[] = parseClass( $className, $stmt, $propertyInfos, $methodInfos, $enumCaseInfos); continue; } throw new Exception("Unexpected node {$stmt->getType()}"); } } function parseStubFile(string $code): FileInfo { $lexer = new PhpParser\Lexer\Emulative(); $parser = new PhpParser\Parser\Php7($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') { $fileInfo->generateLegacyArginfo = true; } else if ($tag->name === 'generate-class-entries') { $fileInfo->generateClassEntries = true; $fileInfo->declarationPrefix = $tag->value ? $tag->value . " " : ""; } } } // Generating class entries require generating function/method entries if ($fileInfo->generateClassEntries && !$fileInfo->generateFunctionEntries) { $fileInfo->generateFunctionEntries = true; } handleStatements($fileInfo, $stmts, $prettyPrinter); return $fileInfo; } function funcInfoToCode(FuncInfo $funcInfo): string { $code = ''; $returnType = $funcInfo->return->type; $isTentativeReturnType = $funcInfo->return->tentativeReturnType; if ($returnType !== null) { if (null !== $simpleReturnType = $returnType->tryToSimpleType()) { if ($simpleReturnType->isBuiltin) { $code .= sprintf( "%s(%s, %d, %d, %s, %d)\n", $isTentativeReturnType ? "ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX" : "ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX", $funcInfo->getArgInfoName(), $funcInfo->return->byRef, $funcInfo->numRequiredArgs, $simpleReturnType->toTypeCode(), $returnType->isNullable() ); } else { $code .= sprintf( "%s(%s, %d, %d, %s, %d)\n", $isTentativeReturnType ? "ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_OBJ_INFO_EX" : "ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX", $funcInfo->getArgInfoName(), $funcInfo->return->byRef, $funcInfo->numRequiredArgs, $simpleReturnType->toEscapedName(), $returnType->isNullable() ); } } else { $arginfoType = $returnType->toArginfoType(); if ($arginfoType->hasClassType()) { $code .= sprintf( "%s(%s, %d, %d, %s, %s)\n", $isTentativeReturnType ? "ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_OBJ_TYPE_MASK_EX" : "ZEND_BEGIN_ARG_WITH_RETURN_OBJ_TYPE_MASK_EX", $funcInfo->getArgInfoName(), $funcInfo->return->byRef, $funcInfo->numRequiredArgs, $arginfoType->toClassTypeString(), $arginfoType->toTypeMask() ); } else { $code .= sprintf( "%s(%s, %d, %d, %s)\n", $isTentativeReturnType ? "ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_MASK_EX" : "ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX", $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->isVariadic ? ", " . $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->equalsApartFromNameAndRefcount($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): 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) { /* 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); } $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, $classInfo->funcInfos); } } if ($fileInfo->generateClassEntries) { $code .= generateClassEntryCode($fileInfo); } return $code; } function generateClassEntryCode(FileInfo $fileInfo): string { $code = ""; foreach ($fileInfo->classInfos as $class) { $code .= "\n" . $class->getRegistration(); } 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<string, FuncInfo> $funcInfos */ function generateOptimizerInfo(array $funcInfos): string { $code = "/* This is a generated file, edit the .stub.php files instead. */\n\n"; $code .= "static const func_info_t func_infos[] = {\n"; $code .= generateCodeWithConditions($funcInfos, "", function (FuncInfo $funcInfo) { return $funcInfo->getOptimizerInfo(); }); $code .= "};\n"; return $code; } /** * @param ClassInfo[] $classMap * @return array<string, string> */ function generateClassSynopses(array $classMap): array { $result = []; foreach ($classMap as $classInfo) { $classSynopsis = $classInfo->getClassSynopsisDocument($classMap); if ($classSynopsis !== null) { $result[ClassInfo::getClassSynopsisFilename($classInfo->name) . ".xml"] = $classSynopsis; } } return $result; } /** * @param ClassInfo[] $classMap * @return array<string, string> */ function replaceClassSynopses(string $targetDirectory, array $classMap): array { $classSynopses = []; $it = new RecursiveIteratorIterator( new RecursiveDirectoryIterator($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, "<classsynopsis") === false) { continue; } $replacedXml = getReplacedSynopsisXml($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; } $classSynopsisElements = []; foreach ($doc->getElementsByTagName("classsynopsis") as $element) { $classSynopsisElements[] = $element; } foreach ($classSynopsisElements as $classSynopsis) { if (!$classSynopsis instanceof DOMElement) { continue; } $firstChild = $classSynopsis->firstElementChild; if ($firstChild === null) { continue; } $firstChild = $firstChild->firstElementChild; if ($firstChild === null) { continue; } $className = $firstChild->textContent; if (!isset($classMap[$className])) { continue; } $classInfo = $classMap[$className]; $newClassSynopsis = $classInfo->getClassSynopsisElement($doc, $classMap); if ($newClassSynopsis === null) { continue; } // Check if there is any change - short circuit if there is not any. if (replaceAndCompareXmls($doc, $classSynopsis, $newClassSynopsis)) { continue; } // Return the updated XML $replacedXml = $doc->saveXML(); $replacedXml = preg_replace( [ "/REPLACED-ENTITY-([A-Za-z0-9._{}%-]+?;)/", "/<phpdoc:(classref|exceptionref)\s+xmlns:phpdoc=\"([a-z0-9.:\/]+)\"\s+xmlns=\"([a-z0-9.:\/]+)\"\s+xml:id=\"([a-z0-9._-]+)\"\s*>/i", "/<phpdoc:(classref|exceptionref)\s+xmlns:phpdoc=\"([a-z0-9.:\/]+)\"\s+xmlns=\"([a-z0-9.:\/]+)\"\s+xmlns:xi=\"([a-z0-9.:\/]+)\"\s+xml:id=\"([a-z0-9._-]+)\"\s*>/i", "/<phpdoc:(classref|exceptionref)\s+xmlns:phpdoc=\"([a-z0-9.:\/]+)\"\s+xmlns=\"([a-z0-9.:\/]+)\"\s+xmlns:xlink=\"([a-z0-9.:\/]+)\"\s+xmlns:xi=\"([a-z0-9.:\/]+)\"\s+xml:id=\"([a-z0-9._-]+)\"\s*>/i", "/<phpdoc:(classref|exceptionref)\s+xmlns=\"([a-z0-9.:\/]+)\"\s+xmlns:xlink=\"([a-z0-9.:\/]+)\"\s+xmlns:xi=\"([a-z0-9.:\/]+)\"\s+xmlns:phpdoc=\"([a-z0-9.:\/]+)\"\s+xml:id=\"([a-z0-9._-]+)\"\s*>/i", ], [ "&$1", "<phpdoc:$1 xml:id=\"$4\" xmlns:phpdoc=\"$2\" xmlns=\"$3\">", "<phpdoc:$1 xml:id=\"$5\" xmlns:phpdoc=\"$2\" xmlns=\"$3\" xmlns:xi=\"$4\">", "<phpdoc:$1 xml:id=\"$6\" xmlns:phpdoc=\"$2\" xmlns=\"$3\" xmlns:xlink=\"$4\" xmlns:xi=\"$5\">", "<phpdoc:$1 xml:id=\"$6\" xmlns:phpdoc=\"$5\" xmlns=\"$2\" xmlns:xlink=\"$3\" xmlns:xi=\"$4\">", ], $replacedXml ); $classSynopses[$pathName] = $replacedXml; } } return $classSynopses; } function getReplacedSynopsisXml(string $xml): string { return preg_replace( [ "/&([A-Za-z0-9._{}%-]+?;)/", "/<(\/)*xi:([A-Za-z]+?)/" ], [ "REPLACED-ENTITY-$1", "<$1XI$2", ], $xml ); } /** * @param array<string, FuncInfo> $funcMap * @param array<string, 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 array<string, FuncInfo> $funcMap * @param array<string, 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; } $replacedXml = getReplacedSynopsisXml($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; } $methodSynopsisElements = []; foreach ($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" => $paramTypes]; } // Check if there is any change - short circuit if there is not any. if (replaceAndCompareXmls($doc, $methodSynopsis, $newMethodSynopsis)) { 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 replaceAndCompareXmls(DOMDocument $doc, DOMElement $originalSynopsis, DOMElement $newSynopsis): bool { $docComparator = new DOMDocument(); $docComparator->preserveWhiteSpace = false; $docComparator->formatOutput = true; $xml1 = $doc->saveXML($originalSynopsis); $xml1 = getReplacedSynopsisXml($xml1); $docComparator->loadXML($xml1); $xml1 = $docComparator->saveXML(); $originalSynopsis->parentNode->replaceChild($newSynopsis, $originalSynopsis); $xml2 = $doc->saveXML($newSynopsis); $xml2 = getReplacedSynopsisXml($xml2); $docComparator->loadXML($xml2); $xml2 = $docComparator->saveXML(); return $xml1 === $xml2; } 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; if (file_exists('/usr/share/php/PhpParser4/autoload.php')) { require_once '/usr/share/php/PhpParser4/autoload.php'; return; } $version = "4.13.0"; $phpParserDir = __DIR__ . "/PHP-Parser-$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-classsynopses", "replace-classsynopses", "generate-methodsynopses", "replace-methodsynopses", "generate-optimizer-info" ], $optind ); $context = new Context; $printParameterStats = isset($options["parameter-stats"]); $verify = isset($options["verify"]); $generateClassSynopses = isset($options["generate-classsynopses"]); $replaceClassSynopses = isset($options["replace-classsynopses"]); $generateMethodSynopses = isset($options["generate-methodsynopses"]); $replaceMethodSynopses = isset($options["replace-methodsynopses"]); $generateOptimizerInfo = isset($options["generate-optimizer-info"]); $context->forceRegeneration = isset($options["f"]) || isset($options["force-regeneration"]); $context->forceParse = $context->forceRegeneration || $printParameterStats || $verify || $generateClassSynopses || $generateOptimizerInfo || $replaceClassSynopses || $generateMethodSynopses || $replaceMethodSynopses; $targetSynopses = $argv[$argc - 1] ?? null; if ($replaceClassSynopses && $targetSynopses === null) { die("A target class synopsis directory must be provided for.\n"); } if ($replaceMethodSynopses && $targetSynopses === null) { die("A target method synopsis directory must be provided.\n"); } if (isset($options["h"]) || isset($options["help"])) { die("\nusage: gen_stub.php [ -f | --force-regeneration ] [ --generate-classsynopses ] [ --replace-classsynopses ] [ --generate-methodsynopses ] [ --replace-methodsynopses ] [ --parameter-stats ] [ --verify ] [ --generate-optimizer-info ] [ -h | --help ] [ name.stub.php | directory ] [ directory ]\n\n"); } $fileInfos = []; $locations = array_slice($argv, $optind) ?: ['.']; foreach (array_unique($locations) as $location) { if (is_file($location)) { // Generate single file. $fileInfo = processStubFile($location, $context); if ($fileInfo) { $fileInfos[] = $fileInfo; } } else if (is_dir($location)) { array_push($fileInfos, ...processDirectory($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 array<string, ClassInfo> $classMap */ $classMap = []; /** @var array<string, FuncInfo> $funcMap */ $funcMap = []; /** @var array<string, FuncInfo> $aliasMap */ $aliasMap = []; foreach ($fileInfos as $fileInfo) { foreach ($fileInfo->getAllFuncInfos() as $funcInfo) { /** @var FuncInfo $funcInfo */ $funcMap[$funcInfo->name->__toString()] = $funcInfo; // TODO: Don't use aliasMap for methodsynopsis? if ($funcInfo->aliasType === "alias") { $aliasMap[$funcInfo->alias->__toString()] = $funcInfo; } } foreach ($fileInfo->classInfos as $classInfo) { $classMap[$classInfo->name->__toString()] = $classInfo; } } if ($verify) { $errors = []; foreach ($funcMap as $aliasFunc) { if (!$aliasFunc->alias) { continue; } 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 ); $aliasedReturn = $aliasedFunc->return; $aliasReturn = $aliasFunc->return; if (!$aliasedFunc->name->isConstructor() && !$aliasFunc->name->isConstructor()) { $aliasedReturnType = $aliasedReturn->type ?? $aliasedReturn->phpDocType; $aliasReturnType = $aliasReturn->type ?? $aliasReturn->phpDocType; if ($aliasReturnType != $aliasedReturnType) { $errors[] = "{$aliasFunc->name}() and {$aliasedFunc->name}() must have the same return type"; } } $aliasedPhpDocReturnType = $aliasedReturn->phpDocType; $aliasPhpDocReturnType = $aliasReturn->phpDocType; if ($aliasedPhpDocReturnType != $aliasPhpDocReturnType && $aliasedPhpDocReturnType != $aliasReturn->type && $aliasPhpDocReturnType != $aliasedReturn->type) { $errors[] = "{$aliasFunc->name}() and {$aliasedFunc->name}() must have the same PHPDoc return type"; } } echo implode("\n", $errors); if (!empty($errors)) { echo "\n"; exit(1); } } if ($generateClassSynopses) { $classSynopsesDirectory = getcwd() . "/classsynopses"; $classSynopses = generateClassSynopses($classMap); if (!empty($classSynopses)) { if (!file_exists($classSynopsesDirectory)) { mkdir($classSynopsesDirectory); } foreach ($classSynopses as $filename => $content) { if (file_put_contents("$classSynopsesDirectory/$filename", $content)) { echo "Saved $filename\n"; } } } } if ($replaceClassSynopses) { $classSynopses = replaceClassSynopses($targetSynopses, $classMap); foreach ($classSynopses as $filename => $content) { if (file_put_contents($filename, $content)) { echo "Saved $filename\n"; } } } if ($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) { $methodSynopses = replaceMethodSynopses($targetSynopses, $funcMap, $aliasMap); foreach ($methodSynopses as $filename => $content) { if (file_put_contents($filename, $content)) { echo "Saved $filename\n"; } } } if ($generateOptimizerInfo) { $filename = dirname(__FILE__, 2) . "/Zend/Optimizer/zend_func_infos.h"; $optimizerInfo = generateOptimizerInfo($funcMap); if (file_put_contents($filename, $optimizerInfo)) { echo "Saved $filename\n"; } }