本文整理汇总了PHP中Zephir\Variable::setPossibleValue方法的典型用法代码示例。如果您正苦于以下问题：PHP Variable::setPossibleValue方法的具体用法？PHP Variable::setPossibleValue怎么用？PHP Variable::setPossibleValue使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Zephir\Variable的用法示例。
在下文中一共展示了Variable::setPossibleValue方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: assign
/**
* Compiles foo = {expr}
* Changes the value of a mutable variable
*
* @param string $variable
* @param ZephirVariable $symbolVariable
* @param CompiledExpression $resolvedExpr
* @param ReadDetector $readDetector
* @param CompilationContext $compilationContext
* @param array $statement
* @throws CompilerException
*/
public function assign($variable, ZephirVariable $symbolVariable, CompiledExpression $resolvedExpr, ReadDetector $readDetector, CompilationContext $compilationContext, array $statement)
{
if ($symbolVariable->isReadOnly()) {
throw new CompilerException("Cannot mutate variable '" . $variable . "' because it is read only", $statement);
}
$codePrinter = $compilationContext->codePrinter;
/**
* Only initialize variables if it's direct assignment
*/
if ($statement['operator'] == 'assign') {
$symbolVariable->setIsInitialized(true, $compilationContext, $statement);
} else {
if (!$symbolVariable->isInitialized()) {
throw new CompilerException("Cannot mutate variable '" . $variable . "' because it is not initialized", $statement);
}
}
/**
* Set the assigned value to the variable as a CompiledExpression
* We could use this expression for further analysis
*/
$symbolVariable->setPossibleValue($resolvedExpr, $compilationContext);
$type = $symbolVariable->getType();
switch ($type) {
case 'int':
case 'uint':
case 'long':
case 'ulong':
case 'char':
case 'uchar':
$this->doNumericAssignment($codePrinter, $resolvedExpr, $symbolVariable, $variable, $statement, $compilationContext);
break;
case 'double':
$this->doDoubleAssignment($codePrinter, $resolvedExpr, $symbolVariable, $variable, $statement, $compilationContext);
break;
case 'array':
$this->doArrayAssignment($codePrinter, $resolvedExpr, $symbolVariable, $variable, $statement, $compilationContext);
break;
case 'string':
$this->doStringAssignment($codePrinter, $resolvedExpr, $symbolVariable, $variable, $statement, $compilationContext);
break;
case 'bool':
$this->doBoolAssignment($codePrinter, $resolvedExpr, $symbolVariable, $variable, $statement, $compilationContext);
break;
case 'variable':
$this->doVariableAssignment($codePrinter, $resolvedExpr, $symbolVariable, $variable, $statement, $compilationContext, $readDetector);
break;
default:
throw new CompilerException("Unknown type: " . $type, $statement);
}
}示例2: assign
/**
* Compiles foo = {expr}
* Changes the value of a mutable variable
*
* @param $variable
* @param Variable $symbolVariable
* @param CompiledExpression $resolvedExpr
* @param ReadDetector $readDetector
* @param CompilationContext $compilationContext
* @param $statement
* @throws CompilerException
*/
public function assign($variable, ZephirVariable $symbolVariable, CompiledExpression $resolvedExpr, ReadDetector $readDetector, CompilationContext $compilationContext, $statement)
{
if ($symbolVariable->isReadOnly()) {
throw new CompilerException("Cannot mutate variable '" . $variable . "' because it is read only", $statement);
}
$codePrinter = $compilationContext->codePrinter;
/**
* Only initialize variables if it's direct assignment
*/
if ($statement['operator'] == 'assign') {
$symbolVariable->setIsInitialized(true, $compilationContext, $statement);
} else {
if (!$symbolVariable->isInitialized()) {
throw new CompilerException("Cannot mutate variable '" . $variable . "' because it is not initialized", $statement);
}
}
/**
* Set the assigned value to the variable as a CompiledExpression
* We could use this expression for further analysis
*/
$symbolVariable->setPossibleValue($resolvedExpr, $compilationContext);
$type = $symbolVariable->getType();
switch ($type) {
case 'int':
case 'uint':
case 'long':
case 'ulong':
case 'char':
case 'uchar':
switch ($resolvedExpr->getType()) {
case 'null':
switch ($statement['operator']) {
case 'assign':
$codePrinter->output($variable . ' = 0;');
break;
case 'add-assign':
$codePrinter->output($variable . ' += 0;');
break;
case 'sub-assign':
$codePrinter->output($variable . ' -= 0;');
break;
case 'mul-assign':
$codePrinter->output($variable . ' *= 0;');
break;
default:
throw new CompilerException("Operator '" . $statement['operator'] . "' is not supported for variable type: int", $statement);
}
break;
case 'int':
case 'uint':
case 'long':
case 'ulong':
switch ($statement['operator']) {
case 'assign':
$codePrinter->output($variable . ' = ' . $resolvedExpr->getCode() . ';');
break;
case 'add-assign':
$codePrinter->output($variable . ' += ' . $resolvedExpr->getCode() . ';');
break;
case 'sub-assign':
$codePrinter->output($variable . ' -= ' . $resolvedExpr->getCode() . ';');
break;
case 'mul-assign':
$codePrinter->output($variable . ' *= ' . $resolvedExpr->getCode() . ';');
break;
case 'div-assign':
$codePrinter->output($variable . ' /= ' . $resolvedExpr->getCode() . ';');
break;
case 'mod-assign':
$codePrinter->output($variable . ' %= ' . $resolvedExpr->getCode() . ';');
break;
default:
throw new CompilerException("Operator '" . $statement['operator'] . "' is not supported for variable type: int", $statement);
}
break;
case 'char':
case 'uchar':
switch ($statement['operator']) {
case 'assign':
$codePrinter->output($variable . ' = \'' . $resolvedExpr->getCode() . '\';');
break;
case 'add-assign':
$codePrinter->output($variable . ' += \'' . $resolvedExpr->getCode() . '\';');
break;
case 'sub-assign':
$codePrinter->output($variable . ' -= \'' . $resolvedExpr->getCode() . '\';');
break;
case 'mul-assign':
//.........这里部分代码省略.........