diff options
| -rw-r--r-- | compiler/jsgen.nim | 2 | ||||
| -rw-r--r-- | compiler/jstypes.nim | 6 | ||||
| -rw-r--r-- | tests/js/testobjs.nim | 20 |
3 files changed, 25 insertions, 3 deletions
diff --git a/compiler/jsgen.nim b/compiler/jsgen.nim index ae5294a81..dd3bad1ad 100644 --- a/compiler/jsgen.nim +++ b/compiler/jsgen.nim @@ -1446,7 +1446,7 @@ proc createRecordVarAux(p: PProc, rec: PNode, excludedFieldIDs: IntSet, output: proc createObjInitList(p: PProc, typ: PType, excludedFieldIDs: IntSet, output: var Rope) = var t = typ - if tfFinal notin t.flags or t.sons[0] != nil: + if objHasTypeField(t): if output.len > 0: output.add(", ") addf(output, "m_type: $1" | "'m_type' => $#", [genTypeInfo(p, t)]) while t != nil: diff --git a/compiler/jstypes.nim b/compiler/jstypes.nim index ae30861e7..0d5b29ace 100644 --- a/compiler/jstypes.nim +++ b/compiler/jstypes.nim @@ -67,9 +67,13 @@ proc genObjectFields(p: PProc, typ: PType, n: PNode): Rope = rope(lengthOrd(field.typ)), makeJSString(field.name.s), result] else: internalError(n.info, "genObjectFields") +proc objHasTypeField(t: PType): bool {.inline.} = + tfInheritable in t.flags or t.sons[0] != nil + proc genObjectInfo(p: PProc, typ: PType, name: Rope) = + let kind = if objHasTypeField(typ): tyObject else: tyTuple var s = ("var $1 = {size: 0, kind: $2, base: null, node: null, " & - "finalizer: null};$n") % [name, rope(ord(typ.kind))] + "finalizer: null};$n") % [name, rope(ord(kind))] prepend(p.g.typeInfo, s) addf(p.g.typeInfo, "var NNI$1 = $2;$n", [rope(typ.id), genObjectFields(p, typ, typ.n)]) diff --git a/tests/js/testobjs.nim b/tests/js/testobjs.nim index 0166c0f38..dd66825ec 100644 --- a/tests/js/testobjs.nim +++ b/tests/js/testobjs.nim @@ -1,5 +1,7 @@ discard """ - action: run + output: '''{"columns":[{"t":null},{"t":null}]} +{"columns":[{"t":null},{"t":null}]} +''' """ ## Tests javascript object generation @@ -36,3 +38,19 @@ doAssert test.name == "Jorden" doAssert knight.age == 19 doAssert knight.item.price == 50 doAssert recurse1.next.next.data == 3 + +# bug #6035 +proc toJson*[T](data: T): cstring {.importc: "JSON.stringify".} + +type + Column = object + t: ref Column + + Test2 = object + columns: seq[Column] + +var test1 = Test2(columns: @[Column(t: nil), Column(t: nil)]) +let test2 = test1 + +echo toJSON(test1) +echo toJSON(test2) |