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#
#
#           The Nim Compiler
#        (c) Copyright 2015 Andreas Rumpf
#
#    See the file "copying.txt", included in this
#    distribution, for details about the copyright.
#

## Plugin support for the Nim compiler. Right now plugins
## need to be built with the compiler only: plugins using
## DLLs or the FFI will not work.

import ast, semdata, idents

type
  Transformation* = proc (c: PContext; n: PNode): PNode {.nimcall.}
  Plugin* = tuple
    package, module, fn: string
    t: Transformation

proc pluginMatches*(ic: IdentCache; p: Plugin; s: PSym): bool =
  if s.name.id != ic.getIdent(p.fn).id:
    return false
  let module = s.skipGenericOwner
  if module == nil or module.kind != skModule or
      module.name.id != ic.getIdent(p.module).id:
    return false
  let package = module.owner
  if package == nil or package.kind != skPackage or
      package.name.id != ic.getIdent(p.package).id:
    return false
  return true
> kind, key, val in getopt(): case kind of cmdArgument: infile = key of cmdLongOption, cmdShortOption: case key of "help", "h": stdout.write(Usage) quit(0) of "version", "v": stdout.write(Version & "\n") quit(0) of "o", "out": outfile = val of "ref": incl(flags, pfRefs) of "boot": flags = flags + {pfRefs, pfMoreReplacements, pfImportBlackList} else: stdout.writeln("[Error] unknown option: " & key) of cmdEnd: assert(false) if infile.len == 0: # no filename has been given, so we show the help: stdout.write(Usage) else: if outfile.len == 0: outfile = changeFileExt(infile, "nim") infile = addFileExt(infile, "pas") main(infile, outfile, flags)