/
StaticProperty.php
318 lines (282 loc) · 14.4 KB
/
StaticProperty.php
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<?php
/**
* This file is part of the Zephir.
*
* (c) Phalcon Team <team@zephir-lang.com>
*
* For the full copyright and license information, please view
* the LICENSE file that was distributed with this source code.
*/
namespace Zephir\Statements\Let;
use Zephir\CompilationContext;
use Zephir\CompiledExpression;
use Zephir\Exception;
use Zephir\Exception\CompilerException;
use Zephir\Exception\IllegalOperationException;
use Zephir\Expression;
/**
* StaticProperty.
*
* Updates static properties
*/
class StaticProperty
{
/**
* Compiles ClassName::foo = {expr}.
*
* @param string $className
* @param string $property
* @param CompiledExpression $resolvedExpr
* @param CompilationContext $compilationContext
* @param array $statement
*
* @throws CompilerException
* @throws IllegalOperationException
*/
public function assignStatic(
string $className,
string $property,
CompiledExpression $resolvedExpr,
CompilationContext $compilationContext,
array $statement
) {
$classDefinition = $compilationContext->classLookup($className);
if (!$propertyDefinition = $classDefinition->getProperty($property)) {
throw new CompilerException(
sprintf(
"Class '%s' does not have a property called: '%s",
$classDefinition->getCompleteName(),
$property
),
$statement
);
}
if (!$propertyDefinition->isStatic()) {
throw new CompilerException(
sprintf(
"Cannot access non-static property '%s::%s",
$classDefinition->getCompleteName(),
$property
),
$statement
);
}
if ($propertyDefinition->isPrivate()) {
if ($classDefinition->getCompleteName() != $compilationContext->classDefinition->getCompleteName()) {
throw new CompilerException(
sprintf(
"Cannot access private static property '%s::%s out of its declaring context",
$classDefinition->getCompleteName(),
$property
),
$statement
);
}
}
$codePrinter = $compilationContext->codePrinter;
$compilationContext->headersManager->add('kernel/object');
try {
$classEntry = $classDefinition->getClassEntry($compilationContext);
} catch (Exception $e) {
throw new CompilerException($e->getMessage(), $statement, $e->getCode(), $e);
}
switch ($resolvedExpr->getType()) {
case 'null':
$compilationContext->backend->updateStaticProperty($classEntry, $property, 'null', $compilationContext);
break;
case 'int':
case 'uint':
case 'long':
$tempVariable = $compilationContext->symbolTable->getTempNonTrackedVariable('variable', $compilationContext, true);
$compilationContext->backend->assignLong($tempVariable, $resolvedExpr->getBooleanCode(), $compilationContext);
$compilationContext->backend->updateStaticProperty($classEntry, $property, $tempVariable, $compilationContext);
if ($tempVariable->isTemporal()) {
$tempVariable->setIdle(true);
}
break;
case 'char':
case 'uchar':
$tempVariable = $compilationContext->symbolTable->getTempNonTrackedVariable('variable', $compilationContext, true);
$compilationContext->backend->assignLong($tempVariable, '\''.$resolvedExpr->getCode().'\'', $compilationContext);
$compilationContext->backend->updateStaticProperty($classEntry, $property, $tempVariable, $compilationContext);
if ($tempVariable->isTemporal()) {
$tempVariable->setIdle(true);
}
break;
case 'double':
$tempVariable = $compilationContext->symbolTable->getTempNonTrackedVariable('variable', $compilationContext, true);
$compilationContext->backend->assignDouble($tempVariable, $resolvedExpr->getCode(), $compilationContext);
$compilationContext->backend->updateStaticProperty($classEntry, $property, $tempVariable, $compilationContext);
if ($tempVariable->isTemporal()) {
$tempVariable->setIdle(true);
}
break;
case 'string':
// TODO: add-assign
if ('assign' !== $statement['operator']) {
throw CompilerException::illegalOperationTypeOnStaticVariable(
$statement['operator'],
$resolvedExpr->getType(),
$statement
);
}
$tempVariable = $compilationContext->symbolTable->getTempNonTrackedVariable('variable', $compilationContext, true);
$tempVariable->initVariant($compilationContext);
if ($resolvedExpr->getCode()) {
$compilationContext->backend->assignString($tempVariable, $resolvedExpr->getCode(), $compilationContext);
} else {
$codePrinter->output('ZVAL_EMPTY_STRING('.$tempVariable->getName().');');
}
if ($tempVariable->isTemporal()) {
$tempVariable->setIdle(true);
}
$compilationContext->backend->updateStaticProperty($classEntry, $property, $tempVariable, $compilationContext);
break;
case 'bool':
if ('1' == $resolvedExpr->getBooleanCode()) {
$compilationContext->backend->updateStaticProperty($classEntry, $property, 'true', $compilationContext);
} else {
if ('0' == $resolvedExpr->getBooleanCode()) {
$compilationContext->backend->updateStaticProperty($classEntry, $property, 'false', $compilationContext);
} else {
$codePrinter->output('if ('.$resolvedExpr->getBooleanCode().') {');
$codePrinter->increaseLevel();
$compilationContext->backend->updateStaticProperty($classEntry, $property, 'true', $compilationContext);
$codePrinter->decreaseLevel();
$codePrinter->output('} else {');
$codePrinter->increaseLevel();
$compilationContext->backend->updateStaticProperty($classEntry, $property, 'false', $compilationContext);
$codePrinter->decreaseLevel();
$codePrinter->output('}');
}
}
break;
case 'empty-array':
$tempVariable = $compilationContext->symbolTable->getTempNonTrackedVariable('variable', $compilationContext, true);
$compilationContext->backend->initArray($tempVariable, $compilationContext);
$compilationContext->backend->updateStaticProperty($classEntry, $property, $tempVariable, $compilationContext);
if ($tempVariable->isTemporal()) {
$tempVariable->setIdle(true);
}
break;
case 'array':
$compilationContext->backend->updateStaticProperty($classEntry, $property, $resolvedExpr, $compilationContext);
break;
case 'variable':
$variableVariable = $compilationContext->symbolTable->getVariableForRead(
$resolvedExpr->getCode(),
$compilationContext,
$statement
);
switch ($variableVariable->getType()) {
case 'int':
case 'uint':
case 'long':
case 'ulong':
case 'char':
case 'uchar':
// TODO: mul-assign, div-assign, sub-assign, add-assign
if ('assign' !== $statement['operator']) {
throw CompilerException::illegalOperationTypeOnStaticVariable(
$statement['operator'],
$variableVariable->getType(),
$statement
);
}
$tempVariable = $compilationContext->symbolTable->getTempNonTrackedVariable(
'variable',
$compilationContext,
true
);
$compilationContext->backend->assignLong($tempVariable, $variableVariable, $compilationContext);
$compilationContext->backend->updateStaticProperty($classEntry, $property, $tempVariable, $compilationContext);
if ($tempVariable->isTemporal()) {
$tempVariable->setIdle(true);
}
break;
case 'double':
// TODO: mul-assign, div-assign, sub-assign, add-assign
if ('assign' !== $statement['operator']) {
throw CompilerException::illegalOperationTypeOnStaticVariable(
$statement['operator'],
$variableVariable->getType(),
$statement
);
}
$tempVariable = $compilationContext->symbolTable->getTempNonTrackedVariable(
'variable',
$compilationContext,
true
);
$compilationContext->backend->assignDouble($tempVariable, $variableVariable, $compilationContext);
$compilationContext->backend->updateStaticProperty($classEntry, $property, $tempVariable, $compilationContext);
if ($tempVariable->isTemporal()) {
$tempVariable->setIdle(true);
}
break;
case 'bool':
$tempVariable = $compilationContext->symbolTable->getTempNonTrackedVariable('variable', $compilationContext, true);
$compilationContext->backend->assignBool($tempVariable, $variableVariable, $compilationContext);
$compilationContext->backend->updateStaticProperty($classEntry, $property, $tempVariable, $compilationContext);
if ($tempVariable->isTemporal()) {
$tempVariable->setIdle(true);
}
break;
case 'string':
switch ($statement['operator']) {
/* @noinspection PhpMissingBreakStatementInspection */
case 'concat-assign':
$tempVariable = $compilationContext->symbolTable->getTempVariableForObserveOrNullify(
'variable',
$compilationContext
);
$expression = new Expression([
'type' => 'static-property-access',
'left' => [
'value' => $statement['variable'],
],
'right' => [
'value' => $statement['property'],
],
]);
$expression->setExpectReturn(true, $tempVariable);
try {
$expression->compile($compilationContext);
} catch (Exception $e) {
throw new CompilerException($e->getMessage(), $statement, $e->getCode(), $e);
}
$variableVariableCode = $compilationContext->backend->getVariableCode($variableVariable);
$tempVariableCode = $compilationContext->backend->getVariableCode($tempVariable);
$compilationContext->codePrinter->output('SEPARATE_ZVAL('.$variableVariableCode.');');
$compilationContext->codePrinter->output('zephir_concat_function('.$variableVariableCode.', '.$tempVariableCode.', '.$variableVariableCode.');');
// no break
case 'assign':
$compilationContext->backend->updateStaticProperty($classEntry, $property, $variableVariable, $compilationContext);
if ($variableVariable->isTemporal()) {
$variableVariable->setIdle(true);
}
break;
default:
throw CompilerException::illegalOperationTypeOnStaticVariable(
$statement['operator'],
$variableVariable->getType(),
$statement
);
}
break;
case 'variable':
case 'array':
$compilationContext->backend->updateStaticProperty($classEntry, $property, $variableVariable, $compilationContext);
if ($variableVariable->isTemporal()) {
$variableVariable->setIdle(true);
}
break;
default:
throw new CompilerException('Unknown type '.$variableVariable->getType(), $statement);
}
break;
default:
throw new CompilerException('Unknown type '.$resolvedExpr->getType(), $statement);
}
}
}