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store the instantiation cache in the generic symbol

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This commit is contained in:
Zahary Karadjov 2012-11-20 23:38:56 +02:00
commit e6f3f46cd9
7 changed files with 95 additions and 71 deletions
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16
lib/system.nim
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@ -112,7 +112,7 @@ proc new*[T](a: var ref T) {.magic: "New", noSideEffect.}
## creates a new object of type ``T`` and returns a safe (traced)
## reference to it in ``a``.
proc new(T: typedesc): ref T =
proc new*(T: typedesc): ref T =
## creates a new object of type ``T`` and returns a safe (traced)
## reference to it as result value
new(result)
@ -2427,3 +2427,17 @@ proc compiles*(x: expr): bool {.magic: "Compiles", noSideEffect.} =
when defined(initDebugger):
initDebugger()
# XXX: make these the default (or implement the NilObject optimization)
proc safeAdd*[T](x: var seq[T], y: T) {.noSideEffect.} =
if x == nil: x = @[y]
else: x.add(y)
proc safeAdd*(x: var string, y: char) =
if x == nil: x = ""
x.add(y)
proc safeAdd*(x: var string, y: string) =
if x == nil: x = y
else: x.add(y)