/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018, 2019
* Jonathan Schleifer <js@heap.zone>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#include <string.h>
#import "OFIntrospection.h"
#import "OFString.h"
#import "OFArray.h"
#import "OFInitializationFailedException.h"
@implementation OFMethod
@synthesize selector = _selector, name = _name, typeEncoding = _typeEncoding;
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
#if defined(OF_OBJFW_RUNTIME)
- (instancetype)of_initWithMethod: (struct objc_method *)method
{
self = [super init];
@try {
_selector = (SEL)&method->selector;
_name = [[OFString alloc]
initWithUTF8String: sel_getName(_selector)];
_typeEncoding = method->selector.typeEncoding;
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
#elif defined(OF_APPLE_RUNTIME)
- (instancetype)of_initWithMethod: (Method)method
{
self = [super init];
@try {
_selector = method_getName(method);
_name = [[OFString alloc]
initWithUTF8String: sel_getName(_selector)];
_typeEncoding = method_getTypeEncoding(method);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
#else
# error Invalid ObjC runtime!
#endif
- (void)dealloc
{
[_name release];
[super dealloc];
}
- (OFString *)description
{
return [OFString stringWithFormat: @"<%@: %@ [%s]>",
self.class, _name, _typeEncoding];
}
- (bool)isEqual: (id)object
{
OFMethod *method;
if (object == self)
return true;
if (![object isKindOfClass: [OFMethod class]])
return false;
method = object;
if (!sel_isEqual(method->_selector, _selector))
return false;
if (![method->_name isEqual: _name])
return false;
if ((method->_typeEncoding == NULL && _typeEncoding != NULL) ||
(method->_typeEncoding != NULL && _typeEncoding == NULL))
return false;
if (method->_typeEncoding != NULL && _typeEncoding != NULL &&
strcmp(method->_typeEncoding, _typeEncoding) != 0)
return false;
return true;
}
- (uint32_t)hash
{
uint32_t hash;
OF_HASH_INIT(hash);
OF_HASH_ADD_HASH(hash, _name.hash);
if (_typeEncoding != NULL) {
size_t length = strlen(_typeEncoding);
for (size_t i = 0; i < length; i++)
OF_HASH_ADD(hash, _typeEncoding[i]);
}
OF_HASH_FINALIZE(hash);
return hash;
}
@end
@implementation OFProperty
@synthesize name = _name, attributes = _attributes;
@synthesize getter = _getter, setter = _setter, iVar = _iVar;
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
#if defined(OF_OBJFW_RUNTIME)
- (instancetype)of_initWithProperty: (struct objc_property *)property
{
self = [super init];
@try {
_name = [[OFString alloc] initWithUTF8String: property->name];
_attributes =
property->attributes | (property->extendedAttributes << 8);
if (property->getter.name != NULL)
_getter = [[OFString alloc]
initWithUTF8String: property->getter.name];
if (property->setter.name != NULL)
_setter = [[OFString alloc]
initWithUTF8String: property->setter.name];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
#elif defined(OF_APPLE_RUNTIME)
- (instancetype)of_initWithProperty: (objc_property_t)property
{
self = [super init];
@try {
const char *attributes;
_name = [[OFString alloc]
initWithUTF8String: property_getName(property)];
if ((attributes = property_getAttributes(property)) == NULL)
@throw [OFInitializationFailedException
exceptionWithClass: self.class];
while (*attributes != '\0') {
const char *start;
switch (*attributes) {
case 'T':
while (*attributes != ',' &&
*attributes != '\0')
attributes++;
break;
case 'R':
_attributes |= OF_PROPERTY_READONLY;
attributes++;
break;
case 'C':
_attributes |= OF_PROPERTY_COPY;
attributes++;
break;
case '&':
_attributes |= OF_PROPERTY_RETAIN;
attributes++;
break;
case 'N':
_attributes |= OF_PROPERTY_NONATOMIC;
attributes++;
break;
case 'G':
start = ++attributes;
if (_getter != nil)
@throw [OFInitializationFailedException
exceptionWithClass: self.class];
while (*attributes != ',' &&
*attributes != '\0')
attributes++;
_getter = [[OFString alloc]
initWithUTF8String: start
length: attributes - start];
break;
case 'S':
start = ++attributes;
if (_setter != nil)
@throw [OFInitializationFailedException
exceptionWithClass: self.class];
while (*attributes != ',' &&
*attributes != '\0')
attributes++;
_setter = [[OFString alloc]
initWithUTF8String: start
length: attributes - start];
break;
case 'D':
_attributes |= OF_PROPERTY_DYNAMIC;
attributes++;
break;
case 'W':
_attributes |= OF_PROPERTY_WEAK;
attributes++;
break;
case 'P':
attributes++;
break;
case 'V':
start = ++attributes;
if (_iVar != nil)
@throw [OFInitializationFailedException
exceptionWithClass: self.class];
while (*attributes != ',' &&
*attributes != '\0')
attributes++;
_iVar = [[OFString alloc]
initWithUTF8String: start
length: attributes - start];
break;
default:
@throw [OFInitializationFailedException
exceptionWithClass: self.class];
}
if (*attributes != ',' && *attributes != '\0')
@throw [OFInitializationFailedException
exceptionWithClass: self.class];
if (*attributes != '\0')
attributes++;
}
if (!(_attributes & OF_PROPERTY_READONLY))
_attributes |= OF_PROPERTY_READWRITE;
if (!(_attributes & OF_PROPERTY_COPY) &&
!(_attributes & OF_PROPERTY_RETAIN))
_attributes |= OF_PROPERTY_ASSIGN;
if (!(_attributes & OF_PROPERTY_NONATOMIC))
_attributes |= OF_PROPERTY_ATOMIC;
if (!(_attributes & OF_PROPERTY_DYNAMIC))
_attributes |= OF_PROPERTY_SYNTHESIZED;
if (_getter == nil)
_getter = [_name copy];
if ((_attributes & OF_PROPERTY_READWRITE) && _setter == nil) {
of_unichar_t first = [_name characterAtIndex: 0];
OFMutableString *tmp = [_name mutableCopy];
_setter = tmp;
[tmp setCharacter: of_ascii_toupper(first)
atIndex: 0];
[tmp prependString: @"set"];
[tmp makeImmutable];
}
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
#else
# error Invalid ObjC runtime!
#endif
- (void)dealloc
{
[_name release];
[_getter release];
[_setter release];
[super dealloc];
}
- (OFString *)description
{
return [OFString
stringWithFormat: @"<%@: %@\n"
@"\tAttributes = 0x%03X\n"
@"\tGetter = %@\n"
@"\tSetter = %@\n"
@"\tiVar = %@\n"
@">",
self.class, _name, _attributes, _getter, _setter,
_iVar];
}
- (bool)isEqual: (id)object
{
OFProperty *otherProperty;
if (object == self)
return true;
if (![object isKindOfClass: [OFProperty class]])
return false;
otherProperty = object;
if (![otherProperty->_name isEqual: _name])
return false;
if (otherProperty->_attributes != _attributes)
return false;
if (![otherProperty->_getter isEqual: _getter])
return false;
if (![otherProperty->_setter isEqual: _setter])
return false;
return true;
}
- (uint32_t)hash
{
uint32_t hash;
OF_HASH_INIT(hash);
OF_HASH_ADD_HASH(hash, _name.hash);
OF_HASH_ADD(hash, (_attributes & 0xFF00) >> 8);
OF_HASH_ADD(hash, _attributes & 0xFF);
OF_HASH_ADD_HASH(hash, _getter.hash);
OF_HASH_ADD_HASH(hash, _setter.hash);
OF_HASH_FINALIZE(hash);
return hash;
}
@end
@implementation OFInstanceVariable
@synthesize name = _name, offset = _offset, typeEncoding = _typeEncoding;
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (instancetype)of_initWithIVar: (Ivar)iVar
{
self = [super init];
@try {
const char *name = ivar_getName(iVar);
if (name != NULL)
_name = [[OFString alloc] initWithUTF8String: name];
_typeEncoding = ivar_getTypeEncoding(iVar);
_offset = ivar_getOffset(iVar);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_name release];
[super dealloc];
}
- (OFString *)description
{
return [OFString stringWithFormat:
@"<OFInstanceVariable: %@ [%s] @ 0x%tx>",
_name, _typeEncoding, _offset];
}
@end
@implementation OFIntrospection
@synthesize classMethods = _classMethods, instanceMethods = _instanceMethods;
@synthesize properties = _properties, instanceVariables = _instanceVariables;
+ (instancetype)introspectionWithClass: (Class)class
{
return [[[self alloc] initWithClass: class] autorelease];
}
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (instancetype)initWithClass: (Class)class
{
self = [super init];
@try {
#if defined(OF_OBJFW_RUNTIME)
struct objc_method_list *methodList;
struct objc_property_list *propertyList;
#elif defined(OF_APPLE_RUNTIME)
Method *methodList;
objc_property_t *propertyList;
#endif
Ivar *iVarList;
unsigned count;
void *pool;
_classMethods = [[OFMutableArray alloc] init];
_instanceMethods = [[OFMutableArray alloc] init];
_properties = [[OFMutableArray alloc] init];
_instanceVariables = [[OFMutableArray alloc] init];
#if defined(OF_OBJFW_RUNTIME)
for (methodList = object_getClass(class)->methodList;
methodList != NULL; methodList = methodList->next) {
pool = objc_autoreleasePoolPush();
for (unsigned int i = 0; i < methodList->count; i++)
[_classMethods addObject: [[[OFMethod alloc]
of_initWithMethod:
&methodList->methods[i]] autorelease]];
objc_autoreleasePoolPop(pool);
}
for (methodList = class->methodList; methodList != NULL;
methodList = methodList->next) {
pool = objc_autoreleasePoolPush();
for (unsigned int i = 0; i < methodList->count; i++)
[_instanceMethods addObject: [[[OFMethod alloc]
of_initWithMethod:
&methodList->methods[i]] autorelease]];
objc_autoreleasePoolPop(pool);
}
for (propertyList = class->properties; propertyList != NULL;
propertyList = propertyList->next) {
pool = objc_autoreleasePoolPush();
for (unsigned int i = 0; i < propertyList->count; i++)
[_properties addObject: [[[OFProperty alloc]
of_initWithProperty:
&propertyList->properties[i]] autorelease]];
objc_autoreleasePoolPop(pool);
}
#elif defined(OF_APPLE_RUNTIME)
methodList = class_copyMethodList(object_getClass(class),
&count);
@try {
pool = objc_autoreleasePoolPush();
for (unsigned int i = 0; i < count; i++)
[_classMethods addObject: [[[OFMethod alloc]
of_initWithMethod: methodList[i]]
autorelease]];
objc_autoreleasePoolPop(pool);
} @finally {
free(methodList);
}
methodList = class_copyMethodList(class, &count);
@try {
pool = objc_autoreleasePoolPush();
for (unsigned int i = 0; i < count; i++)
[_instanceMethods addObject: [[[OFMethod alloc]
of_initWithMethod: methodList[i]]
autorelease]];
objc_autoreleasePoolPop(pool);
} @finally {
free(methodList);
}
propertyList = class_copyPropertyList(class, &count);
@try {
pool = objc_autoreleasePoolPush();
for (unsigned int i = 0; i < count; i++)
[_properties addObject: [[[OFProperty alloc]
of_initWithProperty: propertyList[i]]
autorelease]];
objc_autoreleasePoolPop(pool);
} @finally {
free(propertyList);
}
#else
# error Invalid ObjC runtime!
#endif
iVarList = class_copyIvarList(class, &count);
@try {
pool = objc_autoreleasePoolPush();
for (unsigned int i = 0; i < count; i++)
[_instanceVariables addObject:
[[[OFInstanceVariable alloc]
of_initWithIVar: iVarList[i]] autorelease]];
objc_autoreleasePoolPop(pool);
} @finally {
free(iVarList);
}
[_classMethods makeImmutable];
[_instanceMethods makeImmutable];
[_properties makeImmutable];
[_instanceVariables makeImmutable];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_classMethods release];
[_instanceMethods release];
[_instanceVariables release];
[super dealloc];
}
@end