jyapayne/Nim
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Promises are now refs

Browse source
This commit is contained in:
Araq 2014-06-05 08:46:29 +02:00
commit 2de99653d0
8 changed files with 132 additions and 87 deletions
Download patch file Download diff file Expand all files Collapse all files

11
compiler/semexprs.nim
View file

@ -1585,6 +1585,16 @@ proc createPromise(c: PContext; t: PType; info: TLineInfo): PType =
addSonSkipIntLit(result, t)
result = instGenericContainer(c, info, result, allowMetaTypes = false)
proc instantiateCreatePromiseCall(c: PContext; t: PType;
info: TLineInfo): PSym =
let sym = magicsys.getCompilerProc("nimCreatePromise")
if sym == nil:
localError(info, errSystemNeeds, "nimCreatePromise")
var bindings: TIdTable
initIdTable(bindings)
bindings.idTablePut(sym.ast[genericParamsPos].sons[0].typ, t)
result = c.semGenerateInstance(c, sym, bindings, info)
proc setMs(n: PNode, s: PSym): PNode =
result = n
n.sons[0] = newSymNode(s)
@ -1626,6 +1636,7 @@ proc semMagic(c: PContext, n: PNode, s: PSym, flags: TExprFlags): PNode =
result.typ = result[1].typ
else:
result.typ = createPromise(c, result[1].typ, n.info)
result.add instantiateCreatePromiseCall(c, result[1].typ, n.info).newSymNode
else: result = semDirectOp(c, n, flags)
proc semWhen(c: PContext, n: PNode, semCheck = true): PNode =