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fixes 'echo nil' codegen bug

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This commit is contained in:
Araq 2015-05-02 23:53:48 +02:00
commit 6cb3635ca0
2 changed files with 6 additions and 3 deletions
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7
compiler/ccgexprs.nim
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@ -964,8 +964,11 @@ proc genEcho(p: BProc, n: PNode) =
var args: Rope = nil
var a: TLoc
for i in countup(0, n.len-1):
initLocExpr(p, n.sons[i], a)
addf(args, ", $1? ($1)->data:\"nil\"", [rdLoc(a)])
if n.sons[i].skipConv.kind == nkNilLit:
add(args, ", \"nil\"")
else:
initLocExpr(p, n.sons[i], a)
addf(args, ", $1? ($1)->data:\"nil\"", [rdLoc(a)])
linefmt(p, cpsStmts, "printf($1$2);$n",
makeCString(repeat("%s", n.len) & tnl), args)