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Fix using ptr to seq in js backend.

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I suddenly got ReferenceError exceptions for some of the code which is
using etyBaseIndex ptr. Initialising the xxx_Idx part of the variable
fixes this problem.
This commit is contained in:
Hans Raaf
2016-08-07 03:42:24 +02:00
parent 872f3a4ab1
commit bb683cb983
1 changed files with 9 additions and 2 deletions
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11
compiler/jsgen.nim
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@@ -1445,8 +1445,11 @@ proc genVarInit(p: PProc, v: PSym, n: PNode) =
a: TCompRes
s: Rope
if n.kind == nkEmpty:
let mname = mangleName(v, p.target)
addf(p.body, "var $1 = $2;$n" | "$$$1 = $2;$n",
[mangleName(v, p.target), createVar(p, v.typ, isIndirect(v))])
[mname, createVar(p, v.typ, isIndirect(v))])
if v.typ.kind in { tyVar, tyPtr, tyRef } and mapType(p, v.typ) == etyBaseIndex:
addf(p.body, "var $1_Idx = 0;$n", [ mname ])
else:
discard mangleName(v, p.target)
gen(p, n, a)
@@ -1948,9 +1951,13 @@ proc genProc(oldProc: PProc, prc: PSym): Rope =
let header = generateHeader(p, prc.typ)
if prc.typ.sons[0] != nil and sfPure notin prc.flags:
resultSym = prc.ast.sons[resultPos].sym
let mname = mangleName(resultSym, p.target)
resultAsgn = ("var $# = $#;$n" | "$$$# = $#;$n") % [
mangleName(resultSym, p.target),
mname,
createVar(p, resultSym.typ, isIndirect(resultSym))]
if resultSym.typ.kind in { tyVar, tyPtr, tyRef } and mapType(p, resultSym.typ) == etyBaseIndex:
resultAsgn.add "var $#_Idx = 0;$n" % [
mname ];
gen(p, prc.ast.sons[resultPos], a)
if mapType(p, resultSym.typ) == etyBaseIndex:
returnStmt = "return [$#, $#];$n" % [a.address, a.res]