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PHP Variable::setPossibleValue方法代碼示例

本文整理匯總了PHP中Zephir\Variable::setPossibleValue方法的典型用法代碼示例。如果您正苦於以下問題:PHP Variable::setPossibleValue方法的具體用法?PHP Variable::setPossibleValue怎麽用?PHP Variable::setPossibleValue使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在Zephir\Variable的用法示例。


在下文中一共展示了Variable::setPossibleValue方法的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的PHP代碼示例。

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);
     }
 }
開發者ID:edin,項目名稱:zephir,代碼行數:62,代碼來源:Variable.php

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':
//.........這裏部分代碼省略.........
開發者ID:NumbDai,項目名稱:zephir,代碼行數:101,代碼來源:Variable.php


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