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Closure iter transformation

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Yuriy Glukhov 2018-04-25 19:38:59 +03:00
commit d71f69ab50
10 changed files with 713 additions and 44 deletions
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10
compiler/ccgstmts.nim
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@ -177,17 +177,17 @@ proc genGotoState(p: BProc, n: PNode) =
lineF(p, cpsStmts, "case $2: goto $1$2;$n", [prefix, rope(i)])
lineF(p, cpsStmts, "}$n", [])
proc genBreakState(p: BProc, n: PNode) =
proc genBreakState(p: BProc, n: PNode, d: var TLoc) =
var a: TLoc
initLoc(d, locExpr, n, OnUnknown)
if n.sons[0].kind == nkClosure:
# XXX this produces quite inefficient code!
initLocExpr(p, n.sons[0].sons[1], a)
lineF(p, cpsStmts, "if (((NI*) $1)[1] < 0) break;$n", [rdLoc(a)])
d.r = "(((NI*) $1)[1] < 0)" % [rdLoc(a)]
else:
initLocExpr(p, n.sons[0], a)
# the environment is guaranteed to contain the 'state' field at offset 1:
lineF(p, cpsStmts, "if ((((NI*) $1.ClE_0)[1]) < 0) break;$n", [rdLoc(a)])
# lineF(p, cpsStmts, "if (($1) < 0) break;$n", [rdLoc(a)])
d.r = "((((NI*) $1.ClE_0)[1]) < 0)" % [rdLoc(a)]
proc genGotoVar(p: BProc; value: PNode) =
if value.kind notin {nkCharLit..nkUInt64Lit}: