public function testModifyReferencedVariables()
{
$context = $this->getContext();
/**
* This variable is not needed for change
*/
$variableAValue = 1;
$variableAType = CompiledExpression::INTEGER;
$context->addVariable($variableA = new Variable('a', $variableAValue, $variableAType));
/**
* $b = true;
*/
$context->addVariable($variableB = new Variable('b', true, CompiledExpression::BOOLEAN));
/**
* $c = &$b;
*/
$variableC = new Variable('c');
$variableC->setReferencedTo($variableB);
$context->addVariable($variableC);
$newType = CompiledExpression::INTEGER;
$newValue = 55;
/**
* $b = {$newValue};
* After it variable $c will change type and value
*/
$context->modifyReferencedVariables($variableB, $newType, $newValue);
self::assertSame($newValue, $variableC->getValue());
self::assertSame($newType, $variableC->getType());
/**
* Assert that variable $a was not changed
*/
self::assertSame($variableAValue, $variableA->getValue());
self::assertSame($variableAType, $variableA->getType());
}
/**
* @param int $type
* @param mixed $value
*/
public function modify($type, $value)
{
$this->type = (int) $type;
$this->value = $value;
if ($this->referencedTo) {
$this->referencedTo->modify($type, $value);
}
}
/**
* Compile methods to check it
*
* @param Context $context
*/
public function compile(Context $context)
{
$context->setScope($this);
foreach ($this->methods as $method) {
$context->clearSymbols();
if (!$method->isStatic()) {
$thisPtr = new Variable('this', $this, CompiledExpression::OBJECT);
$thisPtr->incGets();
$context->addVariable($thisPtr);
}
$method->compile($context);
$symbols = $context->getSymbols();
if (count($symbols) > 0) {
foreach ($symbols as $name => $variable) {
if ($variable->isUnused()) {
$context->warning('unused-variable', sprintf('Unused variable $%s in method %s()', $variable->getName(), $method->getName()));
}
}
}
}
}
/**
* @param string $name
* @param null $defaultValue
* @param int $type
* @param bool|false $referenced
*/
public function __construct($name, $defaultValue = null, $type = CompiledExpression::UNKNOWN, $referenced = false)
{
parent::__construct($name, $defaultValue, $type);
$this->referenced = $referenced;
}
/**
* @param string $name
* @param mixed $defaultValue
* @param int $type
*/
public function __construct($name, $defaultValue = null, $type = CompiledExpression::UNKNOWN)
{
parent::__construct($name, $defaultValue, $type);
}
public function testReferenceToChange()
{
/**
* $a = 1;
* $b = &$a;
*/
$parentVariable = new Variable('a', 1, CompiledExpression::INTEGER);
$variable = new Variable('b', $parentVariable->getValue(), $parentVariable->getType());
static::assertFalse($variable->isReferenced());
$variable->setReferencedTo($parentVariable);
static::assertTrue($variable->isReferenced());
static::assertSame($parentVariable, $variable->getReferencedTo());
/**
* $b = 55.00
*/
$variable->modify(CompiledExpression::DOUBLE, 55.0);
static::assertSame($variable->getValue(), $parentVariable->getValue());
static::assertSame($variable->getType(), $parentVariable->getType());
}
/**
* @param Variable $variable
*/
public function add(Variable $variable)
{
$this->variables[$variable->getName()] = $variable;
}
/**
* @param Variable $variable
* @return bool
*/
public function addVariable(Variable $variable)
{
$this->symbols[$variable->getName()] = $variable;
return true;
}
public function testGetTypeName()
{
$int = new Variable('a', 1, CompiledExpression::INTEGER);
parent::assertSame("integer", $int->getTypeName());
$double = new Variable('b', 1, CompiledExpression::DOUBLE);
parent::assertSame("double", $double->getTypeName());
$number = new Variable('c', 1, CompiledExpression::NUMBER);
parent::assertSame("number", $number->getTypeName());
$arr = new Variable('d', [1, 2], CompiledExpression::ARR);
parent::assertSame("array", $arr->getTypeName());
$object = new Variable('e', 1, CompiledExpression::OBJECT);
parent::assertSame("object", $object->getTypeName());
$resource = new Variable('f', 1, CompiledExpression::RESOURCE);
parent::assertSame("resource", $resource->getTypeName());
$callable = new Variable('g', 1, CompiledExpression::CALLABLE_TYPE);
parent::assertSame("callable", $callable->getTypeName());
$boolean = new Variable('h', 1, CompiledExpression::BOOLEAN);
parent::assertSame("boolean", $boolean->getTypeName());
$null = new Variable('i', 1, CompiledExpression::NULL);
parent::assertSame("null", $null->getTypeName());
$unknown = new Variable('j', 1, CompiledExpression::UNKNOWN);
parent::assertSame("unknown", $unknown->getTypeName());
}
/**
* @param Context $context
* @return $this
*/
public function compile(Context $context)
{
if ($this->compiled) {
return true;
}
$this->compiled = true;
$context->setFilepath($this->filepath);
$context->setScope($this);
$context->getEventManager()->fire(Event\StatementBeforeCompile::EVENT_NAME, new Event\StatementBeforeCompile($this->statement, $context));
// Compile event for properties
foreach ($this->properties as $property) {
if (!$property->default) {
continue;
}
// fire expression event for property default
$context->getEventManager()->fire(Event\ExpressionBeforeCompile::EVENT_NAME, new Event\ExpressionBeforeCompile($property->default, $context));
}
// Compile event for PropertyProperty
foreach ($this->properties as $property) {
$context->getEventManager()->fire(Event\StatementBeforeCompile::EVENT_NAME, new Event\StatementBeforeCompile($property, $context));
}
// Compile event for constants
foreach ($this->constants as $const) {
$context->getEventManager()->fire(Event\StatementBeforeCompile::EVENT_NAME, new Event\StatementBeforeCompile($const, $context));
}
// Compiler event for property statements
foreach ($this->propertyStatements as $prop) {
$context->getEventManager()->fire(Event\StatementBeforeCompile::EVENT_NAME, new Event\StatementBeforeCompile($prop, $context));
}
// Compile each method
foreach ($this->methods as $method) {
$context->clearSymbols();
if (!$method->isStatic()) {
$thisPtr = new Variable('this', $this, CompiledExpression::OBJECT);
$thisPtr->incGets();
$context->addVariable($thisPtr);
}
$method->compile($context);
$symbols = $context->getSymbols();
if (count($symbols) > 0) {
foreach ($symbols as $name => $variable) {
if ($variable->isUnused()) {
$context->warning('unused-' . $variable->getSymbolType(), sprintf('Unused ' . $variable->getSymbolType() . ' $%s in method %s()', $variable->getName(), $method->getName()));
}
}
}
}
return $this;
}
