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static params: expr[T] is now static[T]

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This introduces tyStatic and successfully bootstraps and handles
few simple test cases.  Static params within macros are no longer
treated as PNimrodNodes - they are now equivalent to constants
of the designated type.
This commit is contained in:
Zahary Karadjov 2013-12-19 01:06:38 +02:00
commit 027f30610e
22 changed files with 135 additions and 110 deletions
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4
compiler/semtypinst.nim
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@ -201,7 +201,7 @@ proc ReplaceTypeVarsT*(cl: var TReplTypeVars, t: PType): PType =
result = lookupTypeVar(cl, t)
if result.kind == tyGenericInvokation:
result = handleGenericInvokation(cl, result)
of tyExpr:
of tyStatic:
if t.sym != nil and t.sym.kind == skGenericParam:
result = lookupTypeVar(cl, t)
of tyGenericInvokation:
@ -215,7 +215,7 @@ proc ReplaceTypeVarsT*(cl: var TReplTypeVars, t: PType): PType =
else:
if t.kind == tyArray:
let idxt = t.sons[0]
if idxt.kind == tyExpr and
if idxt.kind == tyStatic and
idxt.sym != nil and idxt.sym.kind == skGenericParam:
let value = lookupTypeVar(cl, idxt).n
t.sons[0] = makeRangeType(cl.c, 0, value.intVal - 1, value.info)