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<?php
declare(strict_types=1);
namespace PHPJava\Tests\Cases\Compiler;
use PHPJava\Compiler\Builder\Attributes\Code;
use PHPJava\Compiler\Builder\Collection\Attributes;
use PHPJava\Compiler\Builder\Collection\ConstantPool;
use PHPJava\Compiler\Builder\Collection\Methods;
use PHPJava\Compiler\Builder\Finder\ConstantPoolFinder;
use PHPJava\Compiler\Builder\Generator\Operation\Operand;
use PHPJava\Compiler\Builder\Method;
use PHPJava\Compiler\Builder\Signatures\ClassAccessFlag;
use PHPJava\Compiler\Builder\Signatures\Descriptor;
use PHPJava\Compiler\Builder\Signatures\MethodAccessFlag;
use PHPJava\Compiler\Builder\Structures\ClassFileStructure;
use PHPJava\Compiler\Builder\Types\Uint16;
use PHPJava\Compiler\Builder\Types\Uint8;
use PHPJava\Compiler\Compiler;
use PHPJava\Compiler\Lang\Assembler\Enhancer\ConstantPoolEnhancer;
use PHPJava\Core\JavaClass;
use PHPJava\Core\JavaCompiledClass;
use PHPJava\Core\JVM\Parameters\Runtime;
use PHPJava\Core\Stream\Reader\InlineReader;
use PHPJava\IO\Standard\Output;
use PHPJava\Kernel\Maps\OpCode;
use PHPJava\Kernel\Resolvers\SDKVersionResolver;
use PHPJava\Kernel\Types\Void_;
use PHPJava\Packages\java\io\PrintStream;
use PHPJava\Packages\java\lang\Object_;
use PHPJava\Packages\java\lang\String_;
use PHPJava\Packages\java\lang\System;
use PHPJava\Tests\Cases\Base;
class HelloWorldTest extends Base
{
public function testHelloWorld(): void
{
// Generate class
$source = fopen('php://memory', 'r+');
$constantPool = new ConstantPool();
$finder = new ConstantPoolFinder($constantPool);
[$majorVersion, $minorVersion] = SDKVersionResolver::resolveByVersion(
Runtime::PHP_COMPILER_JDK_VERSION
);
$enhancedConstantPool = ConstantPoolEnhancer::factory(
$constantPool,
$finder
);
$className = 'HelloWorld';
$enhancedConstantPool
->addString('Hello PHPJava Compiler!')
->addClass(Object_::class)
->addClass($className)
->addClass(System::class)
->addClass(PrintStream::class)
->addFieldref(
System::class,
'out',
(new Descriptor())
->addArgument(PrintStream::class)
->make()
)
->addMethodref(
PrintStream::class,
'println',
(new Descriptor())
->addArgument(String_::class)
->setReturn(Void_::class)
->make()
)
->addNameAndType(
'main',
(new Descriptor())
->addArgument(String_::class, 1)
->setReturn(Void_::class)
->make()
);
$compiler = new Compiler(
(new ClassFileStructure())
->setMinorVersion($minorVersion)
->setMajorVersion($majorVersion)
->setAccessFlags(
(new ClassAccessFlag())
->enableSuper()
->make()
)
->setThisClass($enhancedConstantPool->findClass($className))
->setSuperClass($enhancedConstantPool->findClass(Object_::class))
->setMethods(
(new Methods())
->add(
(new Method(
(new MethodAccessFlag())
->enablePublic()
->enableStatic()
->make(),
$className,
'main',
(new Descriptor())
->addArgument(String_::class, 1)
->setReturn(Void_::class)
->make()
))
->setConstantPool($constantPool)
->setConstantPoolFinder($finder)
->setAttributes(
(new Attributes())
->add(
(new Code($enhancedConstantPool->findUtf8('Code')))
->setConstantPool($constantPool)
->setConstantPoolFinder($finder)
->setCode(
[
\PHPJava\Compiler\Builder\Generator\Operation\Operation::create(
OpCode::_getstatic,
Operand::factory(
Uint16::class,
$enhancedConstantPool->findField(
System::class,
'out',
(new Descriptor())
->addArgument(PrintStream::class)
->make()
)
)
),
\PHPJava\Compiler\Builder\Generator\Operation\Operation::create(
OpCode::_ldc,
Operand::factory(
Uint8::class,
$enhancedConstantPool->findString('Hello PHPJava Compiler!')
)
),
\PHPJava\Compiler\Builder\Generator\Operation\Operation::create(
OpCode::_invokevirtual,
Operand::factory(
Uint16::class,
$enhancedConstantPool->findMethod(
PrintStream::class,
'println',
(new Descriptor())
->addArgument(String_::class)
->setReturn(Void_::class)
->make()
)
)
),
\PHPJava\Compiler\Builder\Generator\Operation\Operation::create(
OpCode::_return
),
]
)
->beginPreparation()
)
->toArray()
)
)
->toArray()
)
->setConstantPool($constantPool->toArray())
);
$compiler->compile($source);
rewind($source);
$javaClass = new JavaClass(
new JavaCompiledClass(
new InlineReader(
$className,
stream_get_contents($source)
)
)
);
$javaClass
->getInvoker()
->getStatic()
->getMethods()
->call(
'main',
[]
);
$result = trim(Output::getHeapspace());
$this->assertSame('Hello PHPJava Compiler!', $result);
}
}