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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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compiler/evalffi.nim
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@ -41,6 +41,8 @@ proc getDll(cache: var TDllCache; dll: string; info: TLineInfo): pointer =
const
nkPtrLit = nkIntLit # hopefully we can get rid of this hack soon
var myerrno {.importc: "errno", header: "<errno.h>".}: cint ## error variable
proc importcSymbol*(sym: PSym): PNode =
let name = ropeToStr(sym.loc.r)
@ -51,6 +53,7 @@ proc importcSymbol*(sym: PSym): PNode =
of "stdin": result.intVal = cast[TAddress](system.stdin)
of "stdout": result.intVal = cast[TAddress](system.stdout)
of "stderr": result.intVal = cast[TAddress](system.stderr)
of "vmErrnoWrapper": result.intVal = cast[TAddress](myerrno)
else:
let lib = sym.annex
if lib != nil and lib.path.kind notin {nkStrLit..nkTripleStrLit}: