ethonion10/v86
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minor improvements

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copy 2014-12-02 19:19:24 +01:00
parent 4a63b1f70c
commit 48111cbcc9
1 changed files with 17 additions and 5 deletions
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22
src/cpu_state.js
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@ -130,9 +130,16 @@ function restore_object(base, obj, buffers)
else if(type === "ArrayBuffer")
{
var info = buffers.infos[obj.buffer_id];
dbg_assert(base.byteLength === info.length);
new Uint8Array(base).set(new Uint8Array(buffers.full, info.offset, info.length));
if(base && base.byteLength === info.length)
{
new Uint8Array(base).set(new Uint8Array(buffers.full, info.offset, info.length));
}
else
{
//base = buffers.full.slice(info.offset, info.offset + info.length);
dbg_assert(false);
}
return base;
}
@ -156,12 +163,14 @@ function restore_object(base, obj, buffers)
// avoid a new allocation if possible
if(base &&
base.byteOffset === 0 &&
base.constructor === constructor &&
base.byteOffset === 0 &&
base.byteLength === info.length)
{
// byteOffset != 0 could also be handled here, but is not very common
new Uint8Array(base.buffer).set(new Uint8Array(buffers.full, info.offset, info.length));
new Uint8Array(base.buffer).set(
new Uint8Array(buffers.full, info.offset, info.length),
base.byteOffset
);
return base;
}
else
@ -190,6 +199,9 @@ v86.prototype.save_state = function()
};
total_buffer_size += len;
// align
total_buffer_size = total_buffer_size + 3 & ~3;
}
var info_object = JSON.stringify({