fixes #1444

6 files changed, 165 insertions, 9 deletions

diff --git a/compiler/semgnrc.nim b/compiler/semgnrc.nim
index 934434951..a004d1465 100644
--- a/compiler/semgnrc.nim
+++ b/compiler/semgnrc.nim
@@ -36,10 +36,11 @@ proc semGenericStmtScope(c: PContext, n: PNode,
 template macroToExpand(s: expr): expr =
   s.kind in {skMacro, skTemplate} and (s.typ.len == 1 or sfImmediate in s.flags)
 
-proc semGenericStmtSymbol(c: PContext, n: PNode, s: PSym): PNode = 
+proc semGenericStmtSymbol(c: PContext, n: PNode, s: PSym,
+                          ctx: var TIntSet): PNode =
   incl(s.flags, sfUsed)
   case s.kind
-  of skUnknown: 
+  of skUnknown:
     # Introduced in this pass! Leave it as an identifier.
     result = n
   of skProc, skMethod, skIterators, skConverter:
@@ -48,11 +49,13 @@ proc semGenericStmtSymbol(c: PContext, n: PNode, s: PSym): PNode =
     if macroToExpand(s):
       let n = fixImmediateParams(n)
       result = semTemplateExpr(c, n, s, {efNoSemCheck})
+      result = semGenericStmt(c, result, {}, ctx)
     else:
       result = symChoice(c, n, s, scOpen)
   of skMacro: 
     if macroToExpand(s):
       result = semMacroExpr(c, n, n, s, {efNoSemCheck})
+      result = semGenericStmt(c, result, {}, ctx)
     else:
       result = symChoice(c, n, s, scOpen)
   of skGenericParam: 
@@ -80,7 +83,7 @@ proc lookup(c: PContext, n: PNode, flags: TSemGenericFlags,
     elif s.name.id in ctx:
       result = symChoice(c, n, s, scForceOpen)
     else:
-      result = semGenericStmtSymbol(c, n, s)
+      result = semGenericStmtSymbol(c, n, s, ctx)
   # else: leave as nkIdent
 
 proc newDot(n, b: PNode): PNode =
@@ -95,8 +98,9 @@ proc fuzzyLookup(c: PContext, n: PNode, flags: TSemGenericFlags,
   
   var s = qualifiedLookUp(c, n, luf)
   if s != nil:
-    result = semGenericStmtSymbol(c, n, s)
+    result = semGenericStmtSymbol(c, n, s, ctx)
   else:
+    n.sons[0] = semGenericStmt(c, n.sons[0], flags, ctx)
     result = n
     let n = n[1]
     let ident = considerQuotedIdent(n)
@@ -107,7 +111,7 @@ proc fuzzyLookup(c: PContext, n: PNode, flags: TSemGenericFlags,
       elif s.name.id in ctx:
         result = newDot(result, symChoice(c, n, s, scForceOpen))
       else:
-        let sym = semGenericStmtSymbol(c, n, s)
+        let sym = semGenericStmtSymbol(c, n, s, ctx)
         if sym.kind == nkSym:
           result = newDot(result, symChoice(c, n, s, scForceOpen))
         else:
@@ -158,6 +162,7 @@ proc semGenericStmt(c: PContext, n: PNode,
       of skMacro:
         if macroToExpand(s):
           result = semMacroExpr(c, n, n, s, {efNoSemCheck})
+          result = semGenericStmt(c, result, {}, ctx)
         else:
           n.sons[0] = symChoice(c, n.sons[0], s, scOption)
           result = n
@@ -165,6 +170,7 @@ proc semGenericStmt(c: PContext, n: PNode,
         if macroToExpand(s):
           let n = fixImmediateParams(n)
           result = semTemplateExpr(c, n, s, {efNoSemCheck})
+          result = semGenericStmt(c, result, {}, ctx)
         else:
           n.sons[0] = symChoice(c, n.sons[0], s, scOption)
           result = n
diff --git a/config/nim.cfg b/config/nim.cfg
new file mode 100644
index 000000000..df3835ace
--- /dev/null
+++ b/config/nim.cfg
@@ -0,0 +1,139 @@
+# Configuration file for the Nimrod Compiler.
+# (c) 2013 Andreas Rumpf
+
+# Feel free to edit the default values as you need.
+
+# You may set environment variables with
+# @putenv "key" "val"
+# Environment variables cannot be used in the options, however!
+
+cc = gcc
+
+# example of how to setup a cross-compiler:
+arm.linux.gcc.exe = "arm-linux-gcc"
+arm.linux.gcc.linkerexe = "arm-linux-gcc"
+
+path="$lib/core"
+path="$lib/pure"
+path="$lib/pure/collections"
+path="$lib/pure/concurrency"
+path="$lib/impure"
+path="$lib/wrappers"
+# path="$lib/wrappers/cairo"
+# path="$lib/wrappers/gtk"
+# path="$lib/wrappers/lua"
+# path="$lib/wrappers/opengl"
+path="$lib/wrappers/pcre"
+path="$lib/wrappers/readline"
+path="$lib/wrappers/sdl"
+# path="$lib/wrappers/x11"
+path="$lib/wrappers/zip"
+path="$lib/wrappers/libffi"
+path="$lib/windows"
+path="$lib/posix"
+path="$lib/js"
+path="$lib/pure/unidecode"
+
+@if nimbabel:
+  babelpath="$home/.babel/pkgs/"
+@end
+
+@if release or quick:
+  obj_checks:off
+  field_checks:off
+  range_checks:off
+  bound_checks:off
+  overflow_checks:off
+  assertions:off
+  stacktrace:off
+  linetrace:off
+  debugger:off
+  line_dir:off
+  dead_code_elim:on
+@end
+
+@if release:
+  opt:speed
+@end
+
+# additional options always passed to the compiler:
+--parallel_build: "0" # 0 to auto-detect number of processors
+
+hint[LineTooLong]=off
+#hint[XDeclaredButNotUsed]=off
+
+@if unix:
+  @if not bsd:
+    # -fopenmp
+    gcc.options.linker = "-ldl"
+    gpp.options.linker = "-ldl"
+    clang.options.linker = "-ldl"
+    tcc.options.linker = "-ldl"
+  @end
+  @if bsd or haiku:
+    # BSD got posix_spawn only recently, so we deactivate it for osproc:
+    define:useFork
+    # at least NetBSD has problems with thread local storage:
+    tlsEmulation:on
+  @end
+@end
+
+# Configuration for the Intel C/C++ compiler:
+@if windows:
+  icl.options.speed = "/Ox /arch:SSE2"
+  icl.options.always = "/nologo"
+@end
+
+# Configuration for the GNU C/C++ compiler:
+@if windows:
+  #gcc.path = r"$nimrod\dist\mingw\bin"
+  @if gcc:
+    tlsEmulation:on
+  @end
+@end
+
+@if macosx:
+  cc = clang
+  tlsEmulation:on
+  gcc.options.always = "-w -fasm-blocks"
+  gpp.options.always = "-w -fasm-blocks -fpermissive"
+@else:
+  gcc.options.always = "-w"
+  gpp.options.always = "-w -fpermissive"
+@end
+
+gcc.options.speed = "-O3 -fno-strict-aliasing"
+gcc.options.size = "-Os"
+gcc.options.debug = "-g3 -O0"
+
+gpp.options.speed = "-O3 -fno-strict-aliasing"
+gpp.options.size = "-Os"
+gpp.options.debug = "-g3 -O0"
+#passl = "-pg"
+
+# Configuration for the LLVM GCC compiler:
+llvm_gcc.options.debug = "-g"
+llvm_gcc.options.always = "-w"
+llvm_gcc.options.speed = "-O2"
+llvm_gcc.options.size = "-Os"
+
+# Configuration for the LLVM CLang compiler:
+clang.options.debug = "-g"
+clang.options.always = "-w"
+clang.options.speed = "-O3"
+clang.options.size = "-Os"
+
+# Configuration for the Visual C/C++ compiler:
+vcc.options.linker = "/DEBUG /Zi /Fd\"$projectName.pdb\" /F33554432" # set the stack size to 8 MB
+vcc.options.debug = "/Zi /Fd\"$projectName.pdb\""
+vcc.options.always = "/nologo"
+vcc.options.speed = "/Ox /arch:SSE2"
+vcc.options.size = "/O1"
+
+# Configuration for the Digital Mars C/C++ compiler:
+@if windows:
+  dmc.path = r"$nimrod\dist\dm\bin"
+@end
+
+# Configuration for the Tiny C Compiler:
+tcc.options.always = "-w"
diff --git a/lib/pure/collections/sets.nim b/lib/pure/collections/sets.nim
index 22eff9c55..ce901963e 100644
--- a/lib/pure/collections/sets.nim
+++ b/lib/pure/collections/sets.nim
@@ -128,7 +128,7 @@ proc mget*[A](s: var TSet[A], key: A): var A =
   ## for sharing.
   assert s.isValid, "The set needs to be initialized."
   var index = rawGet(s, key)
-  if index >= 0: result = t.data[index].key
+  if index >= 0: result = s.data[index].key
   else: raise newException(EInvalidKey, "key not found: " & $key)
 
 proc contains*[A](s: TSet[A], key: A): bool =
diff --git a/lib/system.nim b/lib/system.nim
index 0d8f63bd4..0df8849f5 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -849,13 +849,13 @@ proc contains*[T](s: TSlice[T], value: T): bool {.noSideEffect, inline.} =
   ##   assert((1..3).contains(4) == false)
   result = s.a <= value and value <= s.b
 
-template `in` * (x, y: expr): expr {.immediate.} = contains(y, x)
+template `in` * (x, y: expr): expr {.immediate, dirty.} = contains(y, x)
   ## Sugar for contains
   ##
   ## .. code-block:: Nimrod
   ##   assert(1 in (1..3) == true)
   ##   assert(5 in (1..3) == false)
-template `notin` * (x, y: expr): expr {.immediate.} = not contains(y, x)
+template `notin` * (x, y: expr): expr {.immediate, dirty.} = not contains(y, x)
   ## Sugar for not containing
   ##
   ## .. code-block:: Nimrod
diff --git a/tests/generics/mdotlookup.nim b/tests/generics/mdotlookup.nim
index 7a5e0ccbf..0c4d0c87c 100644
--- a/tests/generics/mdotlookup.nim
+++ b/tests/generics/mdotlookup.nim
@@ -6,3 +6,11 @@ type MyObj = object
 proc foo*(b: any) =
   var o: MyObj
   echo b.baz, " ", o.x.baz, " ", b.baz()
+
+import sets
+
+var intset = initSet[int]()
+
+proc func*[T](a: T) =
+  if a in intset: echo("true")
+  else: echo("false")
diff --git a/tests/generics/tdotlookup.nim b/tests/generics/tdotlookup.nim
index b886cd8c9..d3deca7fc 100644
--- a/tests/generics/tdotlookup.nim
+++ b/tests/generics/tdotlookup.nim
@@ -1,7 +1,10 @@
 discard """
-  output: '''5 5 5'''
+  output: '''5 5 5
+false'''
 """
 
 import mdotlookup
 
 foo(7)
+# bug #1444
+func(4)