Jordan Delong
363d1bb20f
This change is mostly for FB internal organizational reasons. Building is not effected beyond the fact that the target now lands in hphp/hhvm/hhvm rather than src/hhvm/hhvm.
64 linhas
2.3 KiB
C++
64 linhas
2.3 KiB
C++
/*
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+----------------------------------------------------------------------+
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| HipHop for PHP |
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+----------------------------------------------------------------------+
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| Copyright (c) 2010- Facebook, Inc. (http://www.facebook.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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*/
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#ifndef __HPHP_LIST_ASSIGNMENT_H__
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#define __HPHP_LIST_ASSIGNMENT_H__
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#include <runtime/base/types.h>
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namespace HPHP {
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///////////////////////////////////////////////////////////////////////////////
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/**
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* Helper class for transforming ListAssignment expression.
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*/
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class ListAssignmentElement {
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public:
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/**
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* "var" is the l-value Variant to take some element of an array on right-
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* hand side. "index" and ... are nested array indices flatten into a vector
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* by code generator. For example,
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*
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* list($a, list($b), $c) = $data = array(1, array(2), 3);
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*
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* is transformed into,
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*
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* list_assign($data, LAE($a, 0), LAE($b, 1, 0), LAE($c, 2), NULL);
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*/
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ListAssignmentElement(Variant &var, int index, ...);
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/**
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* Called by list_assign to assign one value. "data" is the array element
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* to assign to the Variant & this object holds.
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*/
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void assign(CArrRef data);
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private:
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Variant &m_var; // l-value variant to assign to
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std::vector<int> m_indices; // flattened nested array indices
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};
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/**
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* This could be moved to builtin_functions, but list assignment is really
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* special and localized.
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*/
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Variant list_assign(CVarRef data, ListAssignmentElement *elem, ...);
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///////////////////////////////////////////////////////////////////////////////
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}
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#endif // __HPHP_LIST_ASSIGNMENT_H__
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