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implemented generic converters

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This commit is contained in:
Araq 2012-12-05 22:03:36 +01:00
commit 38ab30d153
7 changed files with 89 additions and 7 deletions
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12
compiler/semcall.nim
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@ -84,6 +84,16 @@ proc resolveOverloads(c: PContext, n, orig: PNode,
getProcHeader(best.calleeSym), getProcHeader(alt.calleeSym),
args])
proc instantiateGenericConverters(c: PContext, n: PNode, x: TCandidate) {.
noinline.}=
for i in 1 .. <n.len:
var a = n.sons[i]
if a.kind == nkHiddenCallConv and a.sons[0].kind == nkSym and
isGenericRoutine(a.sons[0].sym):
let finalCallee = generateInstance(c, a.sons[0].sym, x.bindings, n.info)
a.sons[0].sym = finalCallee
a.sons[0].typ = finalCallee.typ
proc semResolvedCall(c: PContext, n: PNode, x: TCandidate): PNode =
assert x.state == csMatch
var finalCallee = x.calleeSym
@ -101,6 +111,8 @@ proc semResolvedCall(c: PContext, n: PNode, x: TCandidate): PNode =
if ContainsGenericType(result.typ): result.typ = errorType(c)
return
result = x.call
if x.genericConverter:
instantiateGenericConverters(c, result, x)
result.sons[0] = newSymNode(finalCallee, result.sons[0].info)
result.typ = finalCallee.typ.sons[0]