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vm: FFI improvements

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This commit is contained in:
Araq 2013-12-23 20:12:13 +01:00
commit 32ef1f8f32
6 changed files with 56 additions and 28 deletions
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8
lib/system.nim
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@ -186,7 +186,10 @@ proc `..`*[T](b: T): TSlice[T] {.noSideEffect, inline.} =
when not defined(niminheritable):
{.pragma: inheritable.}
when not defined(JS) and not defined(NimrodVM):
const NoFakeVars* = defined(NimrodVM) ## true if the backend doesn't support \
## "fake variables" like 'var EBADF {.importc.}: cint'.
when not defined(JS):
type
TGenericSeq {.compilerproc, pure, inheritable.} = object
len, reserved: int
@ -195,7 +198,8 @@ when not defined(JS) and not defined(NimrodVM):
NimStringDesc {.compilerproc, final.} = object of TGenericSeq
data: array[0..100_000_000, char]
NimString = ptr NimStringDesc
when not defined(JS) and not defined(NimrodVM):
template space(s: PGenericSeq): int {.dirty.} =
s.reserved and not seqShallowFlag