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Fixed copying of nil seq in JS

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This commit is contained in:
Yuriy Glukhov
2015-12-16 15:25:58 +02:00
parent 31ebb11d73
commit 62422b93c6
1 changed files with 12 additions and 7 deletions
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19
lib/system/jssys.nim
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@@ -533,15 +533,20 @@ proc nimCopy(dest, src: JSRef, ti: PNimType): JSRef =
nimCopyAux(result, src, ti.node)
of tySequence, tyArrayConstr, tyOpenArray, tyArray:
asm """
if (`dest` === null || `dest` === undefined) {
`dest` = new Array(`src`.length);
if (`src` === null) {
`result` = null;
}
else {
`dest`.length = `src`.length;
}
`result` = `dest`;
for (var i = 0; i < `src`.length; ++i) {
`result`[i] = nimCopy(`result`[i], `src`[i], `ti`.base);
if (`dest` === null || `dest` === undefined) {
`dest` = new Array(`src`.length);
}
else {
`dest`.length = `src`.length;
}
`result` = `dest`;
for (var i = 0; i < `src`.length; ++i) {
`result`[i] = nimCopy(`result`[i], `src`[i], `ti`.base);
}
}
"""
of tyString: