Merge pull request #31 from z-------------/export-sharedptr-constructor

Export newCppSharedPtr

cppstl.nimble

@@ -1,6 +1,6 @@
 # Package
 
-version       = "0.6.1"
+version       = "0.6.2"
 author        = "Clonkk"
 description   = "Bindings for the C++ Standard Template Library (STL)"
 license       = "MIT"
@@ -27,6 +27,8 @@ task test, "Run the tests":
   exec "nim cpp -r --gc:arc tests/tcomplex.nim"
   exec "nim cpp -r tests/tpair.nim"  
   exec "nim cpp -r --gc:arc tests/tpair.nim"  
+  exec "nim cpp -r tests/tsmart_ptrs.nim"
+  exec "nim cpp -r --gc:arc tests/tsmart_ptrs.nim"
 
   # the following should compile and *not* produce a codegen error
   exec "nim cpp --gc:arc -r tests/tdestructor_codegen_bug.nim"

cppstl/std_smartptrs.nim

@@ -9,7 +9,7 @@ when not defined(cpp):
 type
   CppSharedPtr*[T]{.importcpp: "std::shared_ptr", bycopy.} = object
 
-proc newCppSharedPtr[T](p: ptr T): CppSharedPtr[T] {.constructor, 
+proc newCppSharedPtr*[T](p: ptr T): CppSharedPtr[T] {.constructor, 
   importcpp: "std::shared_ptr<'*0>(#)".}
 
 func makeShared*(T: typedesc): CppSharedPtr[T] {.importcpp: "std::make_shared<'*0>()".}

tests/tsmart_ptrs.nim

@@ -25,6 +25,8 @@ proc init*(T: type UniquePtrObj, name: string): UniquePtrObj =
   result.name = name
   result.id = guid
 
+proc cppNew[T](x: typedesc[T]): ptr T {.importcpp: "(new '1)", nodecl.}
+
 proc testShared() =
   test "SharedPtr":
     var sp1 = SharedPtrObj.init("ptr_1")
@@ -44,6 +46,12 @@ proc testShared() =
     check: sp1.name == "ptr_3"
     check sp1.name.len() == 5
 
+    var sp3 = block:
+      let p = cppNew(Obj)
+      p[] = sp1.deref
+      newCppSharedPtr(p)
+    check sp3.deref == sp1.deref
+
     when defined(gcArc) or defined(gcOrc):
       check: $(sp1) == "CppShared ptr Obj(id: 1, name: \"ptr_3\")"
     else: