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towards support for composite type classes such as seq[Number] and SquareMatrix[T]

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This commit is contained in:
Zahary Karadjov 2013-12-27 18:34:28 +02:00
commit a27eb51535
8 changed files with 87 additions and 26 deletions
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13
compiler/semtypes.nim
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@ -666,11 +666,14 @@ proc liftParamType(c: PContext, procKind: TSymKind, genericParams: PNode,
paramType.sons[i] = lifted
result = paramType
of tyGenericBody:
# type Foo[T] = object
# proc x(a: Foo, b: Foo)
var typ = newTypeS(tyTypeClass, c)
typ.addSonSkipIntLit(paramType)
result = addImplicitGeneric(typ)
result = newTypeS(tyGenericInvokation, c)
result.rawAddSon(paramType)
for i in 0 .. paramType.sonsLen - 2:
result.rawAddSon(copyType(paramType.sons[i], getCurrOwner(), true))
result = instGenericContainer(c, paramType.sym.info, result,
allowMetaTypes = true)
result = newTypeWithSons(c, tyCompositeTypeClass, @[paramType, result])
result = addImplicitGeneric(result)
of tyGenericInst:
for i in 1 .. (paramType.sons.len - 2):
var lifted = liftingWalk(paramType.sons[i])