From dca5508d13249c261d322b499098439b4fc294a9 Mon Sep 17 00:00:00 2001
From: def <dennis@felsin9.de>
Date: Sun, 22 Feb 2015 23:03:46 +0100
Subject: [PATCH] Make compiler read files from stdin

Special "-" file as stdin.
---
 compiler/modules.nim | 2 +-
 compiler/passes.nim  | 6 +++++-
 compiler/service.nim | 7 ++++++-
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/compiler/modules.nim b/compiler/modules.nim
index db05ccc6cb..a2b739efc7 100644
--- a/compiler/modules.nim
+++ b/compiler/modules.nim
@@ -116,7 +116,7 @@ proc newModule(fileIdx: int32): PSym =
   result.kind = skModule
   let filename = fileIdx.toFullPath
   result.name = getIdent(splitFile(filename).name)
-  if not isNimIdentifier(result.name.s):
+  if result.name.s != "-" and not isNimIdentifier(result.name.s):
     rawMessage(errInvalidModuleName, result.name.s)
   
   result.info = newLineInfo(fileIdx, 1, 1)
diff --git a/compiler/passes.nim b/compiler/passes.nim
index f9c3d75f94..1491165021 100644
--- a/compiler/passes.nim
+++ b/compiler/passes.nim
@@ -170,7 +170,11 @@ proc processModule(module: PSym, stream: PLLStream, rd: PRodReader) =
     openPasses(a, module)
     if stream == nil: 
       let filename = fileIdx.toFullPathConsiderDirty
-      s = llStreamOpen(filename, fmRead)
+      if module.name.s == "-":
+        module.name.s = "stdin"
+        s = llStreamOpen(stdin)
+      else:
+        s = llStreamOpen(filename, fmRead)
       if s == nil: 
         rawMessage(errCannotOpenFile, filename)
         return
diff --git a/compiler/service.nim b/compiler/service.nim
index 1d51ef2a10..7cb9d7d297 100644
--- a/compiler/service.nim
+++ b/compiler/service.nim
@@ -33,7 +33,12 @@ proc processCmdLine*(pass: TCmdLinePass, cmd: string) =
     parseopt.next(p)
     case p.kind
     of cmdEnd: break
-    of cmdLongoption, cmdShortOption: processSwitch(pass, p)
+    of cmdLongoption, cmdShortOption:
+      if p.key == " ":
+        p.key = "-"
+        if processArgument(pass, p, argsCount): break
+      else:
+        processSwitch(pass, p)
     of cmdArgument:
       if processArgument(pass, p, argsCount): break
   if pass == passCmd2: