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support for C++ code generation; importcpp and importobjc pragmas

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This commit is contained in:
Araq 2011-08-07 21:02:09 +02:00
commit 5131b3cea4
29 changed files with 512 additions and 189 deletions
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20
compiler/pragmas.nim
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@ -22,7 +22,7 @@ const
procPragmas* = {FirstCallConv..LastCallConv, wImportc, wExportc, wNodecl,
wMagic, wNosideEffect, wSideEffect, wNoreturn, wDynLib, wHeader,
wCompilerProc, wPure, wProcVar, wDeprecated, wVarargs, wCompileTime, wMerge,
wBorrow, wExtern, wImportCompilerProc, wThread}
wBorrow, wExtern, wImportCompilerProc, wThread, wImportCpp, wImportObjC}
converterPragmas* = procPragmas
methodPragmas* = procPragmas
macroPragmas* = {FirstCallConv..LastCallConv, wImportc, wExportc, wNodecl,
@ -87,6 +87,18 @@ proc processImportCompilerProc(s: PSym, extname: string) =
excl(s.flags, sfForward)
incl(s.loc.flags, lfImportCompilerProc)
proc processImportCpp(s: PSym, extname: string) =
setExternName(s, extname)
incl(s.flags, sfImportc)
incl(s.flags, sfInfixCall)
excl(s.flags, sfForward)
proc processImportObjC(s: PSym, extname: string) =
setExternName(s, extname)
incl(s.flags, sfImportc)
incl(s.flags, sfNamedParamCall)
excl(s.flags, sfForward)
proc getStrLitNode(c: PContext, n: PNode): PNode =
if n.kind != nkExprColonExpr:
GlobalError(n.info, errStringLiteralExpected)
@ -410,7 +422,11 @@ proc pragma(c: PContext, sym: PSym, n: PNode, validPragmas: TSpecialWords) =
of wImportCompilerProc:
processImportCompilerProc(sym, getOptionalStr(c, it, sym.name.s))
of wExtern: setExternName(sym, expectStrLit(c, it))
of wAlign:
of wImportCpp:
processImportCpp(sym, getOptionalStr(c, it, sym.name.s))
of wImportObjC:
processImportObjC(sym, getOptionalStr(c, it, sym.name.s))
of wAlign:
if sym.typ == nil: invalidPragma(it)
var align = expectIntLit(c, it)
if not IsPowerOfTwo(align) and align != 0: