eval/eval-util-inlines.h

   1 /* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4 -*- */
   2 /* vi: set ts=4 sw=4 expandtab: (add to ~/.vimrc: set modeline modelines=5) */
   3 /* ***** BEGIN LICENSE BLOCK *****
   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version
   7  * 1.1 (the "License"); you may not use this file except in compliance with
   8  * the License. You may obtain a copy of the License at
   9  * http://www.mozilla.org/MPL/
  10  *
  11  * Software distributed under the License is distributed on an "AS IS" basis,
  12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  13  * for the specific language governing rights and limitations under the
  14  * License.
  15  *
  16  * The Original Code is [Open Source Virtual Machine.].
  17  *
  18  * The Initial Developer of the Original Code is
  19  * Adobe System Incorporated.
  20  * Portions created by the Initial Developer are Copyright (C) 2008
  21  * the Initial Developer. All Rights Reserved.
  22  *
  23  * Contributor(s):
  24  *   Adobe AS3 Team
  25  *
  26  * Alternatively, the contents of this file may be used under the terms of
  27  * either the GNU General Public License Version 2 or later (the "GPL"), or
  28  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  29  * in which case the provisions of the GPL or the LGPL are applicable instead
  30  * of those above. If you wish to allow use of your version of this file only
  31  * under the terms of either the GPL or the LGPL, and not to allow others to
  32  * use your version of this file under the terms of the MPL, indicate your
  33  * decision by deleting the provisions above and replace them with the notice
  34  * and other provisions required by the GPL or the LGPL. If you do not delete
  35  * the provisions above, a recipient may use your version of this file under
  36  * the terms of any one of the MPL, the GPL or the LGPL.
  37  *
  38  * ***** END LICENSE BLOCK ***** */
  39
  40 // This file is included into eval.h
  41 namespace avmplus {
  42 namespace RTC {
  43
  44 inline void* Allocator::alloc(size_t nbytes)
  45 {
  46     nbytes = (nbytes + 7) & ~7;
  47     if (current_top + nbytes <= current_limit) {
  48         void *p = current_top;
  49         current_top += nbytes;
  50         return p;
  51     }
  52     return allocSlow(nbytes);
  53 }
  54
  55 inline uint8_t* emitU16(uint8_t* out, uint16_t val)
  56 {
  57     *out++ = val & 255;
  58     *out++ = (val >> 8) & 255;
  59     return out;
  60 }
  61
  62 inline uint8_t* emitU30(uint8_t* out, uint32_t val)
  63 {
  64     AvmAssert(val <= 0x3FFFFFFF);
  65     return emitU32(out, val);
  66 }
  67
  68 inline uint8_t* emitS32(uint8_t* out, int32_t val)
  69 {
  70     return emitU32(out, (uint32_t)val);
  71 }
  72
  73 template<class T> inline Seq<T>* SeqBuilder<T>::get() const
  74 {
  75     return items;
  76 }
  77
  78 inline uint32_t ByteBuffer::size() const
  79 {
  80     return last == NULL ? 0 : (uint32_t)(size_rest + (out - last->start));
  81 }
  82
  83 inline void ByteBuffer::makeRoom(uint32_t nbytes)
  84 {
  85     if (out + nbytes > limit)
  86         makeRoomSlow(nbytes);
  87 }
  88
  89 inline void ByteBuffer::emitU8(uint8_t v)
  90 {
  91     makeRoom(1);
  92     *out++ = v;
  93 }
  94
  95 inline void ByteBuffer::emitS8(int8_t v)
  96 {
  97     emitU8((uint8_t)v);
  98 }
  99
 100 inline void ByteBuffer::emitU16(uint16_t v)
 101 {
 102     makeRoom(2);
 103     out = avmplus::RTC::emitU16(out, v);
 104 }
 105
 106 inline void ByteBuffer::emitS24(int32_t v)
 107 {
 108     makeRoom(3);
 109     out = avmplus::RTC::emitS24(out, v);
 110 }
 111
 112 inline void ByteBuffer::emitU30(uint32_t v)
 113 {
 114     makeRoom(5);
 115     out = avmplus::RTC::emitU30(out, v);
 116 }
 117
 118 inline void ByteBuffer::emitU32(uint32_t v)
 119 {
 120     makeRoom(5);
 121     out = avmplus::RTC::emitU32(out, v);
 122 }
 123
 124 inline void ByteBuffer::emitS32(int32_t v)
 125 {
 126     makeRoom(5);
 127     out = avmplus::RTC::emitS32(out, v);
 128 }
 129
 130 inline void ByteBuffer::emitDouble(double v)
 131 {
 132     makeRoom(8);
 133     out = avmplus::RTC::emitDouble(out, v);
 134 }
 135
 136 inline void ByteBuffer::emitUtf8(uint32_t nbytes, Str* str)
 137 {
 138     makeRoom(nbytes);
 139     out = avmplus::RTC::emitUtf8(out, str);
 140 }
 141
 142 inline uint32_t StringBuilder::length()
 143 {
 144     return len;
 145 }
 146
 147 }}