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| author | Araq <rumpf_a@web.de> | 2014-05-23 08:57:16 +0200 |
|---|---|---|
| committer | Araq <rumpf_a@web.de> | 2014-05-23 08:57:16 +0200 |
| commit | d2dbcf2fa44aa76c6c7ed2c07641560640e6bc6b (patch) | |
| tree | 86ce8b05f9f73fa637f1c43cbd68aed6a4087a24 /compiler/semexprs.nim | |
| parent | 417b9f5a1d13f26842b1337395a0f5b57827cc12 (diff) | |
| download | Nim-d2dbcf2fa44aa76c6c7ed2c07641560640e6bc6b.tar.gz | |
progress with futures
Diffstat (limited to 'compiler/semexprs.nim')
| -rw-r--r-- | compiler/semexprs.nim | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/compiler/semexprs.nim b/compiler/semexprs.nim index 505c289ea..4e3d2f3ce 100644 --- a/compiler/semexprs.nim +++ b/compiler/semexprs.nim @@ -1579,6 +1579,12 @@ proc semShallowCopy(c: PContext, n: PNode, flags: TExprFlags): PNode = else: result = semDirectOp(c, n, flags) +proc createFuture(c: PContext; t: PType; info: TLineInfo): PType = + result = newType(tyGenericInvokation, c.module) + addSonSkipIntLit(result, magicsys.getCompilerProc("Future").typ) + addSonSkipIntLit(result, t) + result = instGenericContainer(c, info, result, allowMetaTypes = false) + proc setMs(n: PNode, s: PSym): PNode = result = n n.sons[0] = newSymNode(s) @@ -1610,6 +1616,12 @@ proc semMagic(c: PContext, n: PNode, s: PSym, flags: TExprFlags): PNode = var x = n.lastSon if x.kind == nkDo: x = x.sons[bodyPos] result.sons[1] = semStmt(c, x) + of mSpawn: + result = setMs(n, s) + result.sons[1] = semExpr(c, n.sons[1]) + # later passes may transform the type 'Future[T]' back into 'T' + if not result[1].typ.isEmptyType: + result.typ = createFuture(c, result[1].typ, n.info) else: result = semDirectOp(c, n, flags) proc semWhen(c: PContext, n: PNode, semCheck = true): PNode = |