本文整理汇总了PHP中PHPCfg\Op\Expr类的典型用法代码示例。如果您正苦于以下问题：PHP Expr类的具体用法？PHP Expr怎么用？PHP Expr使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了Expr类的15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: compileExpr
protected function compileExpr(Op\Expr $op, $indent)
{
$phi = '';
foreach ($op->result->usages as $usage) {
if ($usage instanceof Op\Phi) {
$phi .= $indent . $this->getVarName($usage->result) . " = " . $this->getVarName($op->result) . ";\n";
}
}
$result = '';
switch ($op->getType()) {
case 'Expr_ArrayDimFetch':
$var = $this->getVarName($op->var);
$dim = $this->getVarName($op->dim);
$result = $this->getVarName($op->result);
switch ($this->mapToCType($op->var->type)) {
case 'zend_string*':
assert($this->mapToCType($op->dim->type) === 'zend_long');
$safety = $indent . "if ({$dim} < 0 || {$dim} >= ZSTR_LEN({$var})) {\n";
$safety .= $indent . "\t{$result} = ZSTR_EMPTY_ALLOC();\n";
$safety .= $indent . "\tzend_error(E_NOTICE, \"Uninitialized string offset: %pd\", {$dim});\n";
$safety .= $indent . "} else if (CG(one_char_string)[(unsigned char) ZSTR_VAL({$var})[{$dim}]]) {\n";
$safety .= $indent . "\t{$result} = CG(one_char_string)[(unsigned char) ZSTR_VAL({$var})[{$dim}]];\n";
$safety .= $indent . "} else {\n";
$safety .= $indent . "\t{$result} = zend_string_init(ZSTR_VAL({$var}) + {$dim}, 1, 0);\n";
$safety .= $indent . "\tfree_{$result} = 1;\n";
$safety .= $indent . "}\n{$phi}";
return $safety;
case 'HashTable*':
$dimType = $this->mapToCType($op->dim->type);
$resultType = $this->mapToCType($op->result->type);
if ($dimType === 'zend_long') {
$safety = $indent . "do {\n";
$safety .= $indent . "\tzval* tmp = zend_hash_index_find({$var}, {$dim});\n";
$safety .= $indent . "\tif (tmp == NULL) {\n";
if ($resultType === 'zval') {
$safety .= $indent . "\t\tZVAL_NULL(&{$result});\n";
$safety .= $indent . "\t\tzend_error(E_NOTICE, \"Uninitialized offset: %pd\", {$dim});\n";
$safety .= $indent . "\t} else {\n";
$safety .= $indent . "\t\t{$result} = *tmp;\n";
$safety .= $indent . "\t}\n";
$safety .= $indent . "} while(0);\n";
return $safety;
} else {
$typeInfo = $this->getTypeInfo($resultType);
$safety .= $indent . "\t\t" . $typeInfo['default']($result) . ";\n";
$safety .= $indent . "\t\tzend_error(E_NOTICE, \"Uninitialized offset: %pd\", {$dim});\n";
$safety .= $indent . "\t} else if (Z_TYPE_P(tmp) != {$typeInfo['ztype']}) {\n";
$safety .= $indent . "\t\tzend_throw_error(NULL, \"Offset is not an {$typeInfo['stringtype']}: %pd\", {$dim});\n";
$safety .= $indent . "\t} else {\n";
$safety .= $indent . "\t\t{$result} = {$typeInfo['ztypefetch']}(tmp);\n";
$safety .= $indent . "\t}\n";
$safety .= $indent . "} while(0); \n";
return $safety;
}
}
default:
throw new \LogicException("Unknown array dim fetch type {$op->var->type}");
}
break;
case 'Expr_Assign':
$result = $this->getVarName($op->var) . ' = ' . $this->getVarName($op->expr);
foreach ($op->var->usages as $usage) {
if ($usage instanceof Op\Phi) {
$phi .= $indent . $this->getVarName($usage->result) . " = " . $this->getVarName($op->var) . ";\n";
}
}
break;
case 'Expr_BinaryOp_BitwiseAnd':
$result = $this->getVarName($op->left) . " & " . $this->getVarName($op->right);
break;
case 'Expr_BinaryOp_BitwiseOr':
$result = $this->getVarName($op->left) . " | " . $this->getVarName($op->right);
break;
case 'Expr_BinaryOp_BitwiseXor':
$result = $this->getVarName($op->left) . " ^ " . $this->getVarName($op->right);
break;
case 'Expr_BinaryOp_Coalesce':
throw new \LogicException("TODO");
break;
case 'Expr_BinaryOp_Concat':
$result = $this->getVarName($op->left) . " . " . $this->getVarName($op->right);
break;
case 'Expr_BinaryOp_Div':
$result = $this->getVarName($op->left) . " / " . $this->getVarName($op->right);
break;
case 'Expr_BinaryOp_Equal':
throw new \LogicException("TODO");
break;
case 'Expr_BinaryOp_Greater':
$result = $this->getVarName($op->left) . " > " . $this->getVarName($op->right);
break;
case 'Expr_BinaryOp_GreaterOrEqual':
$result = $this->getVarName($op->left) . " >= " . $this->getVarName($op->right);
break;
case 'Expr_BinaryOp_Identical':
throw new \LogicException("TODO");
break;
case 'Expr_BinaryOp_LogicalXor':
throw new \LogicException("TODO");
break;
//.........这里部分代码省略.........
示例2: __construct
public function __construct(array $keys, array $values, array $byRef, array $attributes = [])
{
parent::__construct($attributes);
$this->keys = $this->addReadRef($keys);
$this->values = $this->addReadRef($values);
$this->byRef = $byRef;
}示例3: __construct
public function __construct(Operand $read, Operand $write, Assert $assertion, array $attributes = [])
{
parent::__construct($attributes);
$this->expr = $this->addReadRef($read);
$this->assertion = $this->addReadRef($assertion);
$this->result = $this->addWriteRef($write);
}示例4: __construct
public function __construct(array $keys, array $values, array $byRef, array $attributes = array())
{
parent::__construct($attributes);
$this->keys = $keys;
$this->values = $values;
$this->byRef = $byRef;
}示例5: __construct
public function __construct(Operand $name, Operand $nsName, array $args, array $attributes = [])
{
parent::__construct($attributes);
$this->nsName = $this->addReadRef($nsName);
$this->name = $this->addReadRef($name);
$this->args = $this->addReadRef($args);
}示例6: __construct
public function __construct(Operand $class, Operand $name, array $args, array $attributes = array())
{
parent::__construct($attributes);
$this->class = $class;
$this->name = $name;
$this->args = $args;
}示例7: __construct
public function __construct(Variable $var, Variable $name, array $args, array $attributes = array())
{
parent::__construct($attributes);
$this->var = $var;
$this->name = $name;
$this->args = $args;
}示例8: __construct
public function __construct(array $params, $byRef, $returnType, Block $stmts, array $attributes = array())
{
parent::__construct($attributes);
$this->params = $params;
$this->byRef = (bool) $byRef;
$this->returnType = $returnType;
$this->stmts = $stmts;
}示例9: __construct
public function __construct(array $params, array $useVars, $byRef, $returnType, Block $stmts, array $attributes = [])
{
parent::__construct($attributes);
$this->params = $this->addReadRef($params);
$this->useVars = $this->addReadRef($useVars);
$this->byRef = (bool) $byRef;
$this->returnType = $returnType;
$this->stmts = $stmts;
}示例10: __construct
public function __construct(Operand $name, $type, $byRef, $variadic, Operand $defaultVar = null, Block $defaultBlock = null, array $attributes = array())
{
parent::__construct($attributes);
$this->result->name = $name;
$this->name = $name;
$this->type = $type;
$this->byRef = (bool) $byRef;
$this->variadic = (bool) $variadic;
$this->defaultVar = $defaultVar;
$this->defaultBlock = $defaultBlock;
}示例11: __construct
public function __construct(Operand $left, Operand $right, array $attributes = array())
{
parent::__construct($attributes);
$this->left = $left;
$this->right = $right;
}示例12: __construct
public function __construct(Variable $expr, $type, array $attributes = array())
{
parent::__construct($attributes);
$this->expr = $expr;
$this->type = $type;
}示例13: __construct
public function __construct(Operand $var, Operand $name, array $attributes = array())
{
parent::__construct($attributes);
$this->var = $var;
$this->name = $name;
}示例14: __construct
public function __construct(array $list, array $attributes = [])
{
parent::__construct($attributes);
$this->list = $this->addWriteRef($list);
}示例15: __construct
public function __construct(array $vars, array $attributes = [])
{
parent::__construct($attributes);
$this->vars = $this->addReadRef($vars);
}