Merge branch 'devel' of github.com:nim-lang/Nim into devel

4 files changed, 44 insertions, 15 deletions

diff --git a/compiler/commands.nim b/compiler/commands.nim
index 11a66cf55..de474c6e6 100644
--- a/compiler/commands.nim
+++ b/compiler/commands.nim
@@ -654,6 +654,9 @@ proc processSwitch(switch, arg: string, pass: TCmdLinePass, info: TLineInfo;
     gListFullPaths = true
   of "dynliboverride":
     dynlibOverride(switch, arg, pass, info)
+  of "dynliboverrideall":
+    expectNoArg(switch, arg, pass, info)
+    gDynlibOverrideAll = true
   of "cs":
     # only supported for compatibility. Does nothing.
     expectArg(switch, arg, pass, info)
diff --git a/compiler/jsgen.nim b/compiler/jsgen.nim
index 855a85be7..bc0f90e17 100644
--- a/compiler/jsgen.nim
+++ b/compiler/jsgen.nim
@@ -1563,14 +1563,22 @@ proc createVar(p: PProc, typ: PType, indirect: bool): Rope =
     internalError("createVar: " & $t.kind)
     result = nil
 
+template returnType: untyped =
+  ~""
+
 proc genVarInit(p: PProc, v: PSym, n: PNode) =
   var
     a: TCompRes
     s: Rope
+    varCode: string
+  if v.constraint.isNil:
+    varCode = "var $2"
+  else:
+    varCode = v.constraint.strVal
   if n.kind == nkEmpty:
     let mname = mangleName(v, p.target)
-    lineF(p, "var $1 = $2;$n" | "$$$1 = $2;$n",
-             [mname, createVar(p, v.typ, isIndirect(v))])
+    lineF(p, varCode & " = $3;$n" | "$$$2 = $3;$n",
+               [returnType, mname, createVar(p, v.typ, isIndirect(v))])
     if v.typ.kind in { tyVar, tyPtr, tyRef } and mapType(p, v.typ) == etyBaseIndex:
       lineF(p, "var $1_Idx = 0;$n", [ mname ])
   else:
@@ -1587,25 +1595,25 @@ proc genVarInit(p: PProc, v: PSym, n: PNode) =
       let targetBaseIndex = {sfAddrTaken, sfGlobal} * v.flags == {}
       if a.typ == etyBaseIndex:
         if targetBaseIndex:
-          lineF(p, "var $1 = $2, $1_Idx = $3;$n",
-                   [v.loc.r, a.address, a.res])
+          lineF(p, varCode & " = $3, $2_Idx = $4;$n",
+                   [returnType, v.loc.r, a.address, a.res])
         else:
-          lineF(p, "var $1 = [$2, $3];$n",
-                   [v.loc.r, a.address, a.res])
+          lineF(p, varCode & " = [$3, $4];$n",
+                   [returnType, v.loc.r, a.address, a.res])
       else:
         if targetBaseIndex:
           let tmp = p.getTemp
           lineF(p, "var $1 = $2, $3 = $1[0], $3_Idx = $1[1];$n",
                    [tmp, a.res, v.loc.r])
         else:
-          lineF(p, "var $1 = $2;$n", [v.loc.r, a.res])
+          lineF(p, varCode & " = $3;$n", [returnType, v.loc.r, a.res])
       return
     else:
       s = a.res
     if isIndirect(v):
-      lineF(p, "var $1 = [$2];$n", [v.loc.r, s])
+      lineF(p, varCode & " = [$3];$n", [returnType, v.loc.r, s])
     else:
-      lineF(p, "var $1 = $2;$n" | "$$$1 = $2;$n", [v.loc.r, s])
+      lineF(p, varCode & " = $3;$n" | "$$$2 = $3;$n", [returnType, v.loc.r, s])
 
 proc genVarStmt(p: PProc, n: PNode) =
   for i in countup(0, sonsLen(n) - 1):
@@ -2162,8 +2170,22 @@ proc genProc(oldProc: PProc, prc: PSym): Rope =
       returnStmt = "return $#;$n" % [a.res]
 
   p.nested: genStmt(p, prc.getBody)
-  let def = "function $#($#) {$n$#$#$#$#$#" %
-            [name, header,
+
+  var def: Rope
+  if not prc.constraint.isNil:
+    def = (prc.constraint.strVal & " {$n$#$#$#$#$#") %
+            [ returnType,
+              name,
+              header,
+              optionaLine(p.globals),
+              optionaLine(p.locals),
+              optionaLine(resultAsgn),
+              optionaLine(genProcBody(p, prc)),
+              optionaLine(p.indentLine(returnStmt))]
+  else:
+    def = "function $#($#) {$n$#$#$#$#$#" %
+            [ name,
+              header,
               optionaLine(p.globals),
               optionaLine(p.locals),
               optionaLine(resultAsgn),
diff --git a/compiler/options.nim b/compiler/options.nim
index eec9ce448..8c4fe485e 100644
--- a/compiler/options.nim
+++ b/compiler/options.nim
@@ -145,6 +145,7 @@ var
   gNoNimblePath* = false
   gExperimentalMode*: bool
   newDestructors*: bool
+  gDynlibOverrideAll*: bool
 
 proc importantComments*(): bool {.inline.} = gCmd in {cmdDoc, cmdIdeTools}
 proc usesNativeGC*(): bool {.inline.} = gSelectedGC >= gcRefc
@@ -427,7 +428,7 @@ proc inclDynlibOverride*(lib: string) =
   gDllOverrides[lib.canonDynlibName] = "true"
 
 proc isDynlibOverride*(lib: string): bool =
-  result = gDllOverrides.hasKey(lib.canonDynlibName)
+  result = gDynlibOverrideAll or gDllOverrides.hasKey(lib.canonDynlibName)
 
 proc binaryStrSearch*(x: openArray[string], y: string): int =
   var a = 0
diff --git a/compiler/vmdeps.nim b/compiler/vmdeps.nim
index 3d43046e9..44550a389 100644
--- a/compiler/vmdeps.nim
+++ b/compiler/vmdeps.nim
@@ -121,22 +121,25 @@ proc mapTypeToAstX(t: PType; info: TLineInfo;
     result = newNodeIT(nkBracketExpr, if t.n.isNil: info else: t.n.info, t)
     for i in 0 ..< t.len:
       result.add mapTypeToAst(t.sons[i], info)
-  of tyGenericInst, tyAlias:
+  of tyGenericInst:
     if inst:
       if allowRecursion:
         result = mapTypeToAstR(t.lastSon, info)
       else:
         result = newNodeX(nkBracketExpr)
-        result.add mapTypeToAst(t.lastSon, info)
+        #result.add mapTypeToAst(t.lastSon, info)
+        result.add mapTypeToAst(t[0], info)
         for i in 1 ..< t.len-1:
           result.add mapTypeToAst(t.sons[i], info)
     else:
       result = mapTypeToAstX(t.lastSon, info, inst, allowRecursion)
   of tyGenericBody:
     if inst:
-      result = mapTypeToAstX(t.lastSon, info, inst, true)
+      result = mapTypeToAstR(t.lastSon, info)
     else:
       result = mapTypeToAst(t.lastSon, info)
+  of tyAlias:
+    result = mapTypeToAstX(t.lastSon, info, inst, allowRecursion)
   of tyOrdinal:
     result = mapTypeToAst(t.lastSon, info)
   of tyDistinct: