1.1 --- a/src/BytecodeEmitter.cpp	Mon Sep 17 00:10:01 2012 -0700
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,122 +0,0 @@
     1.4 -/* vim: set ts=4 sw=4 tw=99 et:
     1.5 - *
     1.6 - * Copyright (C) 2012 David Anderson
     1.7 - *
     1.8 - * This file is part of JITCraft.
     1.9 - *
    1.10 - * JITCraft is free software: you can redistribute it and/or modify it under
    1.11 - * the terms of the GNU General Public License as published by the Free
    1.12 - * Software Foundation, either version 3 of the License, or (at your option)
    1.13 - * any later version.
    1.14 - * 
    1.15 - * Foobar is distributed in the hope that it will be useful, but WITHOUT ANY
    1.16 - * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    1.17 - * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
    1.18 - *
    1.19 - * You should have received a copy of the GNU General Public License along with
    1.20 - * JITCraft. If not, see http://www.gnu.org/licenses/.
    1.21 - */
    1.22 -#include <stdlib.h>
    1.23 -#include <string.h>
    1.24 -#include "BytecodeEmitter.h"
    1.25 -#include "Utility.h"
    1.26 -#include "Types.h"
    1.27 -#include "Zone.h"
    1.28 -#include "Spaces-inl.h"
    1.29 -#include "Heap-inl.h"
    1.30 -
    1.31 -using namespace ke;
    1.32 -
    1.33 -BytecodeEmitter::BytecodeEmitter(PoolAllocator &pool)
    1.34 -  : pool_(pool),
    1.35 -    buffer_(inline_buffer_),
    1.36 -    buffer_pos_(buffer_),
    1.37 -    buffer_end_(buffer_pos_ + ARRAY_LENGTH(inline_buffer_)),
    1.38 -    oom_(false),
    1.39 -    maxStackDepth_(0)
    1.40 -{
    1.41 -    lastCodePosition_ = 0;
    1.42 -    firstLine_ = 1;
    1.43 -}
    1.44 -
    1.45 -bool
    1.46 -BytecodeEmitter::growBuffer(size_t nbytes)
    1.47 -{
    1.48 -    if (oom_) {
    1.49 -        buffer_pos_ = buffer_;
    1.50 -        return false;
    1.51 -    }
    1.52 -
    1.53 -    size_t newSize = size_t((buffer_end_ - buffer_) * 2);
    1.54 -    if (newSize >= MAX_LENGTH) {
    1.55 -        oom_ = true;
    1.56 -        buffer_pos_ = buffer_;
    1.57 -        ZONE()->reportOutOfMemory();
    1.58 -        return false;
    1.59 -    }
    1.60 -
    1.61 -    bytecode *newBuffer;
    1.62 -    if (buffer_ == inline_buffer_)
    1.63 -        newBuffer = (bytecode *)malloc(newSize);
    1.64 -    else
    1.65 -        newBuffer = (bytecode *)realloc(buffer_, newSize);
    1.66 -
    1.67 -    // If we can't allocate a buffer, reset the buffer to the start and set
    1.68 -    // a flag to indicate out-of-memory.
    1.69 -    if (!newBuffer) {
    1.70 -        oom_ = true;
    1.71 -        buffer_pos_ = buffer_;
    1.72 -        ZONE()->reportOutOfMemory();
    1.73 -        return false;
    1.74 -    }
    1.75 -
    1.76 -    if (buffer_ == inline_buffer_)
    1.77 -        memcpy(newBuffer, inline_buffer_, (buffer_pos_ - inline_buffer_));
    1.78 -
    1.79 -    buffer_pos_ = newBuffer + size_t(buffer_pos_ - buffer_);
    1.80 -    buffer_ = newBuffer;
    1.81 -    buffer_end_ = buffer_ + newSize;
    1.82 -    assert(buffer_pos_ + nbytes < buffer_end_);
    1.83 -
    1.84 -    return true;
    1.85 -}
    1.86 -
    1.87 -void
    1.88 -BytecodeEmitter::recordOops()
    1.89 -{
    1.90 -    OopRecord *record = new (pool_) OopRecord(oopMap_.length(), position());
    1.91 -
    1.92 -    record->slots = (bool *)pool_.allocate(record->depth);
    1.93 -    if (!record->slots) {
    1.94 -        oom_ = true;
    1.95 -        return;
    1.96 -    }
    1.97 -
    1.98 -    bool hadOops = false;
    1.99 -    for (size_t i = 0; i < oopMap_.length(); i++) {
   1.100 -        bool bit = oopMap_[i];
   1.101 -        record->slots[i] = bit;
   1.102 -        hadOops |= bit;
   1.103 -    }
   1.104 -
   1.105 -    if (!hadOops)
   1.106 -        return;
   1.107 -
   1.108 -    oom_ &= oopRecords_.append(record);
   1.109 -}
   1.110 -
   1.111 -void
   1.112 -BytecodeEmitter::note_position(const SourcePosition &pos)
   1.113 -{
   1.114 -    assert(pos.line > 0);
   1.115 -    assert(unsigned(pos.line) >= firstLine_);
   1.116 -
   1.117 -    unsigned lineDelta = unsigned(pos.line) - firstLine_;
   1.118 -    unsigned pcDelta = unsigned(position()) - lastCodePosition_;
   1.119 -
   1.120 -    sourcemap_.writeUint32(pcDelta);
   1.121 -    sourcemap_.writeUint32(lineDelta);
   1.122 -    sourcemap_.writeUint32(pos.col);
   1.123 -
   1.124 -    lastCodePosition_ = unsigned(position());
   1.125 -}