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new VM: some progress for the FFI support

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This commit is contained in:
Araq 2013-12-23 01:17:48 +01:00
commit 9145bcfbb6
8 changed files with 80 additions and 60 deletions
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10
compiler/vmgen.nim
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@ -945,7 +945,10 @@ proc genTypeLit(c: PCtx; t: PType; dest: var TDest) =
proc importcSym(c: PCtx; info: TLineInfo; s: PSym) =
when hasFFI:
if allowFFI in c.features:
c.globals.add(importcSymbol(s))
if s.kind == skVar and lfNoDecl in s.loc.flags:
c.globals.add(copyNode(emptyNode))
else:
c.globals.add(importcSymbol(s))
s.position = c.globals.len
else:
localError(info, errGenerated, "VM is not allowed to 'importc'")
@ -1303,6 +1306,11 @@ proc gen(c: PCtx; n: PNode; dest: var TDest) =
of nkCurly: genSetConstr(c, n, dest)
of nkObjConstr: genObjConstr(c, n, dest)
of nkPar, nkClosure: genTupleConstr(c, n, dest)
of nkCast:
if allowCast in c.features:
genConv(c, n, n.sons[1], dest, opcCast)
else:
localError(n.info, errGenerated, "VM is not allowed to 'cast'")
else:
InternalError n.info, "too implement " & $n.kind