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working code for simple cases of user-defined type classes

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This commit is contained in:
Zahary Karadjov 2013-08-25 12:17:40 +03:00
commit 6378fbd66e
7 changed files with 135 additions and 41 deletions
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16
compiler/semtypes.nim
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@ -871,6 +871,21 @@ proc freshType(res, prev: PType): PType {.inline.} =
else:
result = res
proc semTypeClass(c: PContext, n: PNode, prev: PType): PType =
# if n.sonsLen == 0: return newConstraint(c, tyTypeClass)
result = newOrPrevType(tyTypeClass, prev, c)
result.testeeName = considerAcc(n[0])
result.n = n[3]
let
pragmas = n[1]
inherited = n[2]
if inherited.kind != nkEmpty:
for n in inherited.sons:
let typ = semTypeNode(c, n, nil)
result.sons.safeAdd(typ)
proc semTypeNode(c: PContext, n: PNode, prev: PType): PType =
result = nil
if gCmd == cmdIdeTools: suggestExpr(c, n)
@ -973,6 +988,7 @@ proc semTypeNode(c: PContext, n: PNode, prev: PType): PType =
result = newOrPrevType(tyError, prev, c)
of nkObjectTy: result = semObjectNode(c, n, prev)
of nkTupleTy: result = semTuple(c, n, prev)
of nkTypeClassTy: result = semTypeClass(c, n, prev)
of nkRefTy: result = semAnyRef(c, n, tyRef, prev)
of nkPtrTy: result = semAnyRef(c, n, tyPtr, prev)
of nkVarTy: result = semVarType(c, n, prev)