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first version of .partial objects

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This commit is contained in:
Andreas Rumpf 2016-02-28 23:22:47 +01:00
commit 0baa1d9955
6 changed files with 49 additions and 18 deletions
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11
compiler/pragmas.nim
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@ -55,7 +55,7 @@ const
wPure, wHeader, wCompilerproc, wFinal, wSize, wExtern, wShallow,
wImportCpp, wImportObjC, wError, wIncompleteStruct, wByCopy, wByRef,
wInheritable, wGensym, wInject, wRequiresInit, wUnchecked, wUnion, wPacked,
wBorrow, wGcSafe, wExportNims}
wBorrow, wGcSafe, wExportNims, wPartial}
fieldPragmas* = {wImportc, wExportc, wDeprecated, wExtern,
wImportCpp, wImportObjC, wError, wGuard, wBitsize}
varPragmas* = {wImportc, wExportc, wVolatile, wRegister, wThreadVar, wNodecl,
@ -835,6 +835,15 @@ proc singlePragma(c: PContext, sym: PSym, n: PNode, i: int,
noVal(it)
if sym.kind != skType or sym.typ == nil: invalidPragma(it)
else: incl(sym.typ.flags, tfByCopy)
of wPartial:
noVal(it)
if sym.kind != skType or sym.typ == nil: invalidPragma(it)
else:
incl(sym.typ.flags, tfPartial)
# .partial types can only work with dead code elimination
# to prevent the codegen from doing anything before we compiled
# the whole program:
incl gGlobalOptions, optDeadCodeElim
of wInject, wGensym:
# We check for errors, but do nothing with these pragmas otherwise
# as they are handled directly in 'evalTemplate'.