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[backport 1.0] add backend support for js bigint (#16606)

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* add backend support for js bigint

* cleanup

* add tests

* add -d:nimHasJsBigIntBackend

* cleanup

* more tests
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Timothee Cour 2021-01-06 11:28:24 -08:00 • committed by GitHub
commit 025ca660f7
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3 changed files with 63 additions and 1 deletions
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compiler/jsgen.nim
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@ -1677,7 +1677,10 @@ proc createVar(p: PProc, typ: PType, indirect: bool): Rope =
var t = skipTypes(typ, abstractInst)
case t.kind
of tyInt..tyInt64, tyUInt..tyUInt64, tyEnum, tyChar:
result = putToSeq("0", indirect)
if $t.sym.loc.r == "bigint":
result = putToSeq("0n", indirect)
else:
result = putToSeq("0", indirect)
of tyFloat..tyFloat128:
result = putToSeq("0.0", indirect)
of tyRange, tyGenericInst, tyAlias, tySink, tyOwned: