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allow macros to produce nnkGotoState and nkState

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This commit is contained in:
Andreas Rumpf 2017-10-09 21:11:53 +02:00
commit d8746398c4
3 changed files with 9 additions and 2 deletions
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5
compiler/ccgstmts.nim
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@ -156,7 +156,10 @@ proc genGotoState(p: BProc, n: PNode) =
lineF(p, cpsStmts, "switch ($1) {$n", [rdLoc(a)])
p.beforeRetNeeded = true
lineF(p, cpsStmts, "case -1: goto BeforeRet_;$n", [])
for i in 0 .. lastOrd(n.sons[0].typ):
var statesCounter = lastOrd(n.sons[0].typ)
if n.len == 2 and n[1].kind == nkIntLit:
statesCounter = n[1].intVal
for i in 0 .. statesCounter:
lineF(p, cpsStmts, "case $1: goto STATE$1;$n", [rope(i)])
lineF(p, cpsStmts, "}$n", [])