src/Strings.h
author David Anderson <danderson@mozilla.com>
Wed Jul 25 01:32:49 2012 -0700 (2012-07-25)
changeset 93 23189d937087
parent 86 32ad0523b309
child 161 b3f0aaee735a
permissions -rw-r--r--
Fix opt clang build.
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/* vim: set ts=4 sw=4 tw=99 et:
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 *
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 * Copyright (C) 2012 David Anderson
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 *
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 * This file is part of JITCraft.
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 *
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 * JITCraft is free software: you can redistribute it and/or modify it under
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 * the terms of the GNU General Public License as published by the Free
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 * Software Foundation, either version 3 of the License, or (at your option)
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 * any later version.
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 * 
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 * Foobar is distributed in the hope that it will be useful, but WITHOUT ANY
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 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License along with
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 * JITCraft. If not, see http://www.gnu.org/licenses/.
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 */
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#ifndef _include_jitcraft_string_h_
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#define _include_jitcraft_string_h_
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#include "Heap.h"
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namespace ke {
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// A fixed-length string containing UTF-8 characters.
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class String : public Object
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{
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    uint32 length_;
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  public:
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    static String *New(Zone *zone, const char *from, Heap::Tenure tenure = Heap::Tenure_Default);
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    static String *New(Zone *zone, const char *from, size_t length, Heap::Tenure tenure = Heap::Tenure_Default);
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    unsigned length() {
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        return length_;
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    }
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    char *chars() {
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        return reinterpret_cast<char *>(this + 1);
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    }
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    static size_t SizeFor(unsigned length) {
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        return Align(sizeof(String) + sizeof(char) * (length + 1), kObjectAlignment);
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    }
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    static inline String *cast(Object *obj) {
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        assert(!obj || obj->is(MapKind_String));
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        return reinterpret_cast<String *>(obj);
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    }
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};
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}
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#endif // _include_jitcraft_string_h_