本文整理汇总了PHP中Zephir\Variable::setIsInitialized方法的典型用法代码示例。如果您正苦于以下问题：PHP Variable::setIsInitialized方法的具体用法？PHP Variable::setIsInitialized怎么用？PHP Variable::setIsInitialized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::setIsInitialized方法的5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: addCallStatusFlag
/**
* Add the last-call-status flag to the current symbol table
*
* @param CompilationContext $compilationContext
*/
public function addCallStatusFlag(CompilationContext $compilationContext)
{
if (!$compilationContext->symbolTable->hasVariable('ZEPHIR_LAST_CALL_STATUS')) {
$callStatus = new Variable('int', 'ZEPHIR_LAST_CALL_STATUS', $compilationContext->currentBranch);
$callStatus->setIsInitialized(true, $compilationContext, array());
$callStatus->increaseUses();
$callStatus->setReadOnly(true);
$compilationContext->symbolTable->addRawVariable($callStatus);
}
}示例3: getVariableForUpdate
/**
* Return a variable in the symbol table, it will be used for a mutating operation
* This method implies mutation of one of the members of the variable but no the variables it self
*
* @param string $name
* @param CompilationContext $compilationContext
* @param array $statement
* @return Variable
*/
public function getVariableForUpdate($name, CompilationContext $compilationContext, array $statement = null)
{
/**
* Create superglobals just in time
*/
if ($this->isSuperGlobal($name)) {
if (!$this->hasVariable($name)) {
/**
* @TODO, injecting globals, initialize to null and check first?
*/
$superVar = new Variable('variable', $name, $compilationContext->currentBranch);
$superVar->setIsInitialized(true, $compilationContext, $statement);
$superVar->setDynamicTypes('array');
$superVar->increaseMutates();
$superVar->increaseUses();
$superVar->setIsExternal(true);
$superVar->setUsed(true, $statement);
$this->variables[$name] = $superVar;
return $superVar;
}
}
if (!$this->hasVariable($name)) {
throw new CompilerException("Cannot mutate variable '" . $name . "' because it wasn't defined", $statement);
}
$variable = $this->getVariable($name);
$variable->increaseUses();
$variable->increaseMutates();
/**
* Saves the last place where the variable was mutated
* We discard mutations inside loops because iterations could use the value
* and Zephir only provides top-down compilation
*/
$variable->setUsed(true, $statement);
return $variable;
}示例4: 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.........
示例5: getVariableForWrite
/**
* Return a variable in the symbol table, it will be used for a write operation
* Some variables aren't writable themselves but their members do
*
* @param string $name
* @param CompilationContext $compilationContext
* @param array $statement
* @return Variable
*/
public function getVariableForWrite($name, $compilationContext, $statement = null)
{
/**
* Create superglobals just in time
*/
if ($this->isSuperGlobal($name)) {
if (!$this->hasVariable($name)) {
/**
* @TODO, injecting globals, initialize to null and check first?
*/
$compilationContext->codePrinter->output('zephir_get_global(&' . $name . ', SS("' . $name . '") TSRMLS_CC);');
$superVar = new Variable('variable', $name, $compilationContext->currentBranch);
$superVar->setIsInitialized(true, $compilationContext, $statement);
$superVar->setDynamicTypes('array');
$superVar->increaseMutates();
$superVar->increaseUses();
$this->_variables[$name] = $superVar;
return $superVar;
}
}
if (!$this->hasVariable($name)) {
throw new CompilerException("Cannot mutate variable '" . $name . "' because it wasn't defined", $statement);
}
$variable = $this->getVariable($name);
$variable->increaseUses();
$variable->increaseMutates();
return $variable;
}