diff --git a/jvm/src/test/scala/io/kaitai/struct/translators/TranslatorSpec.scala b/jvm/src/test/scala/io/kaitai/struct/translators/TranslatorSpec.scala
index 8b155ca86..01df5f6dc 100644
--- a/jvm/src/test/scala/io/kaitai/struct/translators/TranslatorSpec.scala
+++ b/jvm/src/test/scala/io/kaitai/struct/translators/TranslatorSpec.scala
@@ -26,7 +26,8 @@ class TranslatorSpec extends AnyFunSpec {
       everybodyExcept("100000000000", "100000000000", ResultMap(
         CppCompiler -> "100000000000LL",
         GoCompiler -> "int64(100000000000)",
-        JavaCompiler -> "100000000000L"
+        JavaCompiler -> "100000000000L",
+        NimCompiler -> "100000000000'i64",
       ))
     }
 
@@ -38,18 +39,21 @@ class TranslatorSpec extends AnyFunSpec {
         CppCompiler -> "2147483648UL",
         GoCompiler -> "uint32(2147483648)",
         JavaCompiler -> "2147483648L",
+        NimCompiler -> "2147483648'i64",
       ))
       // 0xffff_ffff
       everybodyExcept("4294967295", "4294967295", ResultMap(
         CppCompiler -> "4294967295UL",
         GoCompiler -> "uint32(4294967295)",
         JavaCompiler -> "4294967295L",
+        NimCompiler -> "4294967295'i64",
       ))
       // 0x1_0000_0000
       everybodyExcept("4294967296", "4294967296", ResultMap(
         CppCompiler -> "4294967296LL",
         GoCompiler -> "int64(4294967296)",
         JavaCompiler -> "4294967296L",
+        NimCompiler -> "4294967296'i64",
       ))
 
       // -0x7fff_ffff
@@ -65,6 +69,7 @@ class TranslatorSpec extends AnyFunSpec {
         CppCompiler -> "-2147483649LL",
         GoCompiler -> "int64(-2147483649)",
         JavaCompiler -> "-2147483649L",
+        NimCompiler -> "-2147483649'i64",
       ))
 
       // 0x7fff_ffff_ffff_ffff
@@ -72,6 +77,7 @@ class TranslatorSpec extends AnyFunSpec {
         CppCompiler -> "9223372036854775807LL",
         GoCompiler -> "int64(9223372036854775807)",
         JavaCompiler -> "9223372036854775807L",
+        NimCompiler -> "9223372036854775807'i64",
       ))
       // 0x8000_0000_0000_0000
       everybodyExcept("9223372036854775808", "9223372036854775808", ResultMap(
@@ -79,6 +85,7 @@ class TranslatorSpec extends AnyFunSpec {
         GoCompiler -> "uint64(9223372036854775808)",
         JavaCompiler -> "0x8000000000000000L",
         LuaCompiler -> "0x8000000000000000",
+        NimCompiler -> "9223372036854775808'u64",
         PHPCompiler -> "-9223372036854775807 - 1",
       ))
       // 0xffff_ffff_ffff_ffff
@@ -87,6 +94,7 @@ class TranslatorSpec extends AnyFunSpec {
         GoCompiler -> "uint64(18446744073709551615)",
         JavaCompiler -> "0xffffffffffffffffL",
         LuaCompiler -> "0xffffffffffffffff",
+        NimCompiler -> "18446744073709551615'u64",
         PHPCompiler -> "-1",
       ))
       // -0x7fff_ffff_ffff_ffff
@@ -94,6 +102,7 @@ class TranslatorSpec extends AnyFunSpec {
         CppCompiler -> "-9223372036854775807LL",
         GoCompiler -> "int64(-9223372036854775807)",
         JavaCompiler -> "-9223372036854775807L",
+        NimCompiler -> "-9223372036854775807'i64",
       ))
       // -0x8000_0000_0000_0000
       everybodyExcept("-9223372036854775808", "-9223372036854775808", ResultMap(
@@ -101,6 +110,7 @@ class TranslatorSpec extends AnyFunSpec {
         GoCompiler -> "int64(-9223372036854775808)",
         JavaCompiler -> "-9223372036854775808L",
         LuaCompiler -> "-9223372036854775807 - 1",
+        NimCompiler -> "-9223372036854775808'i64",
         PHPCompiler -> "-9223372036854775807 - 1",
       ))
     }
@@ -122,6 +132,7 @@ class TranslatorSpec extends AnyFunSpec {
     everybodyExcept("3 / 2", "3 / 2", ResultMap(
       JavaScriptCompiler -> "Math.floor(3 / 2)",
       LuaCompiler -> "math.floor(3 / 2)",
+      NimCompiler -> "3 div 2",
       PerlCompiler -> "int(3 / 2)",
       PHPCompiler -> "intval(3 / 2)",
       PythonCompiler -> "3 // 2"
@@ -146,6 +157,7 @@ class TranslatorSpec extends AnyFunSpec {
     everybodyExcept("(1 + 2) / (7 * 8)", "(1 + 2) / (7 * 8)", ResultMap(
       JavaScriptCompiler -> "Math.floor((1 + 2) / (7 * 8))",
       LuaCompiler -> "math.floor((1 + 2) / (7 * 8))",
+      NimCompiler -> "(1 + 2) div (7 * 8)",
       PerlCompiler -> "int((1 + 2) / (7 * 8))",
       PHPCompiler -> "intval((1 + 2) / (7 * 8))",
       PythonCompiler -> "(1 + 2) // (7 * 8)"
@@ -154,26 +166,38 @@ class TranslatorSpec extends AnyFunSpec {
     everybodyExcept("3 - ((1 + 2) / (7 * 8) + 5)", "3 - ((1 + 2) / (7 * 8) + 5)", ResultMap(
       JavaScriptCompiler -> "3 - (Math.floor((1 + 2) / (7 * 8)) + 5)",
       LuaCompiler -> "3 - (math.floor((1 + 2) / (7 * 8)) + 5)",
+      NimCompiler -> "3 - ((1 + 2) div (7 * 8) + 5)",
       PerlCompiler -> "3 - (int((1 + 2) / (7 * 8)) + 5)",
       PHPCompiler -> "3 - (intval((1 + 2) / (7 * 8)) + 5)",
       PythonCompiler -> "3 - ((1 + 2) // (7 * 8) + 5)"
     ))
 
-    everybody("1 + 2 << 5", "1 + 2 << 5")
-    everybody("(1 + 2) << 5", "1 + 2 << 5")
-    everybody("1 + (2 << 5)", "1 + (2 << 5)")
+    everybodyExcept("1 + 2 << 5", "1 + 2 << 5", ResultMap(
+      NimCompiler -> "1 + 2 shl 5",
+    ))
+    everybodyExcept("(1 + 2) << 5", "1 + 2 << 5", ResultMap(
+      NimCompiler -> "1 + 2 shl 5",
+    ))
+    everybodyExcept("1 + (2 << 5)", "1 + (2 << 5)", ResultMap(
+      NimCompiler -> "1 + (2 shl 5)",
+    ))
 
     everybodyExcept("~777", "~777", ResultMap(
-      GoCompiler -> "^777"
+      GoCompiler -> "^777",
+      NimCompiler -> "not 777",
     ))
     everybodyExcept("~(7+3)", "~(7 + 3)", ResultMap(
-      GoCompiler -> "^(7 + 3)"
+      GoCompiler -> "^(7 + 3)",
+      NimCompiler -> "not (7 + 3)",
     ))
 
-    everybody("(0b01 & 0b11) << 1", "(1 & 3) << 1")
+    everybodyExcept("(0b01 & 0b11) << 1", "(1 & 3) << 1", ResultMap(
+      NimCompiler -> "(1 and 3) shl 1",
+    ))
 
     everybodyExcept("(0b01 & 0b10) >> 1", "(1 & 2) >> 1", ResultMap(
-      JavaScriptCompiler -> "(1 & 2) >>> 1"
+      JavaScriptCompiler -> "(1 & 2) >>> 1",
+      NimCompiler -> "(1 and 2) shr 1",
     ))
   }
 
@@ -191,6 +215,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "Long.toString(42)",
         JavaScriptCompiler -> "(42).toString()",
         LuaCompiler -> "tostring(42)",
+        NimCompiler -> "intToStr(int(42))",
         PerlCompiler -> "sprintf('%d', 42)",
         PHPCompiler -> "strval(42)",
         PythonCompiler -> "str(42)",
@@ -204,6 +229,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "Long.toString(a() + 42)",
         JavaScriptCompiler -> "(this.a + 42).toString()",
         LuaCompiler -> "tostring(self.a + 42)",
+        NimCompiler -> "intToStr(int(this.a + 42))",
         PerlCompiler -> "sprintf('%d', $self->a() + 42)",
         PHPCompiler -> "strval($this->a() + 42)",
         PythonCompiler -> "str(self.a + 42)",
@@ -217,6 +243,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "a() + Long.toString(42)",
         JavaScriptCompiler -> "this.a + (42).toString()",
         LuaCompiler -> "self.a .. tostring(42)",
+        NimCompiler -> "$this.a & $intToStr(int(42))",
         PerlCompiler -> "$self->a() . sprintf('%d', 42)",
         PHPCompiler -> "$this->a() . strval(42)",
         PythonCompiler -> "self.a + str(42)",
@@ -240,6 +267,7 @@ class TranslatorSpec extends AnyFunSpec {
       JavaCompiler -> "(2 < 3 ? \"foo\" : \"bar\")",
       JavaScriptCompiler -> "(2 < 3 ? \"foo\" : \"bar\")",
       LuaCompiler -> "utils.box_unwrap((2 < 3) and utils.box_wrap(\"foo\") or (\"bar\"))",
+      NimCompiler -> "if 2 < 3: \"foo\" else: \"bar\"",
       PerlCompiler -> "(2 < 3 ? \"foo\" : \"bar\")",
       PHPCompiler -> "(2 < 3 ? \"foo\" : \"bar\")",
       PythonCompiler -> "(u\"foo\" if 2 < 3 else u\"bar\")",
@@ -267,6 +295,7 @@ class TranslatorSpec extends AnyFunSpec {
       JavaCompiler -> "true",
       JavaScriptCompiler -> "true",
       LuaCompiler -> "true",
+      NimCompiler -> "true",
       PerlCompiler -> "1",
       PHPCompiler -> "true",
       PythonCompiler -> "True",
@@ -280,6 +309,7 @@ class TranslatorSpec extends AnyFunSpec {
       JavaCompiler -> "false",
       JavaScriptCompiler -> "false",
       LuaCompiler -> "false",
+      NimCompiler -> "false",
       PerlCompiler -> "0",
       PHPCompiler -> "false",
       PythonCompiler -> "False",
@@ -300,6 +330,7 @@ class TranslatorSpec extends AnyFunSpec {
       JavaCompiler -> "(someBool() ? 1 : 0)",
       JavaScriptCompiler -> "(this.someBool | 0)",
       LuaCompiler -> "(self.some_bool and 1 or 0)",
+      NimCompiler -> "if this.someBool: 1 else: 0",
       PerlCompiler -> "$self->some_bool()",
       PHPCompiler -> "intval($this->someBool())",
       PythonCompiler -> "int(self.some_bool)",
@@ -315,6 +346,7 @@ class TranslatorSpec extends AnyFunSpec {
       JavaCompiler -> "fooStr()",
       JavaScriptCompiler -> "this.fooStr",
       LuaCompiler -> "self.foo_str",
+      NimCompiler -> "this.fooStr",
       PerlCompiler -> "$self->foo_str()",
       PHPCompiler -> "$this->fooStr()",
       PythonCompiler -> "self.foo_str",
@@ -328,6 +360,7 @@ class TranslatorSpec extends AnyFunSpec {
       JavaCompiler -> "fooBlock()",
       JavaScriptCompiler -> "this.fooBlock",
       LuaCompiler -> "self.foo_block",
+      NimCompiler -> "this.fooBlock",
       PerlCompiler -> "$self->foo_block()",
       PHPCompiler -> "$this->fooBlock()",
       PythonCompiler -> "self.foo_block",
@@ -341,6 +374,7 @@ class TranslatorSpec extends AnyFunSpec {
       JavaCompiler -> "foo().bar()",
       JavaScriptCompiler -> "this.foo.bar",
       LuaCompiler -> "self.foo.bar",
+      NimCompiler -> "this.foo.bar",
       PerlCompiler -> "$self->foo()->bar()",
       PHPCompiler -> "$this->foo()->bar()",
       PythonCompiler -> "self.foo.bar",
@@ -354,6 +388,7 @@ class TranslatorSpec extends AnyFunSpec {
       JavaCompiler -> "foo().inner().baz()",
       JavaScriptCompiler -> "this.foo.inner.baz",
       LuaCompiler -> "self.foo.inner.baz",
+      NimCompiler -> "this.foo.inner.baz",
       PerlCompiler -> "$self->foo()->inner()->baz()",
       PHPCompiler -> "$this->foo()->inner()->baz()",
       PythonCompiler -> "self.foo.inner.baz",
@@ -367,6 +402,7 @@ class TranslatorSpec extends AnyFunSpec {
       JavaCompiler -> "_root().foo()",
       JavaScriptCompiler -> "this._root.foo",
       LuaCompiler -> "self._root.foo",
+      NimCompiler -> "TopClass_Block(this.root).foo",
       PerlCompiler -> "$self->_root()->foo()",
       PHPCompiler -> "$this->_root()->foo()",
       PythonCompiler -> "self._root.foo",
@@ -380,6 +416,7 @@ class TranslatorSpec extends AnyFunSpec {
       JavaCompiler -> " ((a() != 2) && (a() != 5)) ",
       JavaScriptCompiler -> " ((this.a != 2) && (this.a != 5)) ",
       LuaCompiler -> " ((self.a ~= 2) and (self.a ~= 5)) ",
+      NimCompiler -> " ((this.a != 2) and (this.a != 5)) ",
       PerlCompiler -> " (($self->a() != 2) && ($self->a() != 5)) ",
       PHPCompiler -> " (($this->a() != 2) && ($this->a() != 5)) ",
       PythonCompiler -> " ((self.a != 2) and (self.a != 5)) ",
@@ -395,6 +432,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "new ArrayList<Integer>(Arrays.asList(0, 1, 100500))",
         JavaScriptCompiler -> "[0, 1, 100500]",
         LuaCompiler -> "{0, 1, 100500}",
+        NimCompiler -> "@[int(0), int(1), int(100500)]",
         PerlCompiler -> "[0, 1, 100500]",
         PHPCompiler -> "[0, 1, 100500]",
         PythonCompiler -> "[0, 1, 100500]",
@@ -408,6 +446,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "new byte[] { 34, 0, 10, 64, 65, 66, 92 }",
         JavaScriptCompiler -> "new Uint8Array([34, 0, 10, 64, 65, 66, 92])",
         LuaCompiler -> "\"\\x22\\x00\\x0A\\x40\\x41\\x42\\x5C\"",
+        NimCompiler -> "@[34'u8, 0'u8, 10'u8, 64'u8, 65'u8, 66'u8, 92'u8]",
         PerlCompiler -> "pack('C*', (34, 0, 10, 64, 65, 66, 92))",
         PHPCompiler -> "\"\\x22\\x00\\x0A\\x40\\x41\\x42\\x5C\"",
         PythonCompiler -> "b\"\\x22\\x00\\x0A\\x40\\x41\\x42\\x5C\"",
@@ -421,6 +460,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "new byte[] { -1, 0, -1 }",
         JavaScriptCompiler -> "new Uint8Array([255, 0, 255])",
         LuaCompiler -> "\"\\xFF\\x00\\xFF\"",
+        NimCompiler -> "@[255'u8, 0'u8, 255'u8]",
         PerlCompiler -> "pack('C*', (255, 0, 255))",
         PHPCompiler -> "\"\\xFF\\x00\\xFF\"",
         PythonCompiler -> "b\"\\xFF\\x00\\xFF\"",
@@ -436,6 +476,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "new byte[] { 0, 1, 2 }.length",
         JavaScriptCompiler -> "new Uint8Array([0, 1, 2]).length",
         LuaCompiler -> "#\"\\x00\\x01\\x02\"",
+        NimCompiler -> "len(@[0'u8, 1'u8, 2'u8])",
         PerlCompiler -> "length(pack('C*', (0, 1, 2)))",
         PHPCompiler -> "strlen(\"\\x00\\x01\\x02\")",
         PythonCompiler -> "len(b\"\\x00\\x01\\x02\")",
@@ -449,6 +490,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "a().get((int) 42)",
         JavaScriptCompiler -> "this.a[42]",
         LuaCompiler -> "self.a[42 + 1]", // TODO: self.a[43]
+        NimCompiler -> "this.a[42]",
         PerlCompiler -> "@{$self->a()}[42]",
         PHPCompiler -> "$this->a()[42]",
         PythonCompiler -> "self.a[42]",
@@ -462,6 +504,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "a().get((int) (42 - 2))",
         JavaScriptCompiler -> "this.a[42 - 2]",
         LuaCompiler -> "self.a[42 - 2 + 1]", // TODO: self.a[41]
+        NimCompiler -> "this.a[42 - 2]",
         PerlCompiler -> "@{$self->a()}[42 - 2]",
         PHPCompiler -> "$this->a()[42 - 2]",
         PythonCompiler -> "self.a[42 - 2]",
@@ -475,6 +518,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "a().get(0)",
         JavaScriptCompiler -> "this.a[0]",
         LuaCompiler -> "self.a[1]",
+        NimCompiler -> "this.a[0]",
         PerlCompiler -> "@{$self->a()}[0]",
         PHPCompiler -> "$this->a()[0]",
         PythonCompiler -> "self.a[0]",
@@ -490,6 +534,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "a().get(a().size() - 1)",
         JavaScriptCompiler -> "this.a[this.a.length - 1]",
         LuaCompiler -> "self.a[#self.a]",
+        NimCompiler -> "this.a[^1]",
         PerlCompiler -> "@{$self->a()}[-1]",
         PHPCompiler -> "$this->a()[count($this->a()) - 1]",
         PythonCompiler -> "self.a[-1]",
@@ -503,6 +548,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "a().size()",
         JavaScriptCompiler -> "this.a.length",
         LuaCompiler -> "#self.a",
+        NimCompiler -> "len(this.a)",
         PHPCompiler -> "count($this->a())",
         PerlCompiler -> "scalar(@{$self->a()})",
         PythonCompiler -> "len(self.a)",
@@ -520,6 +566,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "\"str\"",
         JavaScriptCompiler -> "\"str\"",
         LuaCompiler -> "\"str\"",
+        NimCompiler -> "\"str\"",
         PerlCompiler -> "\"str\"",
         PHPCompiler -> "\"str\"",
         PythonCompiler -> "u\"str\"",
@@ -533,6 +580,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "\"str\\nnext\"",
         JavaScriptCompiler -> "\"str\\nnext\"",
         LuaCompiler -> "\"str\\nnext\"",
+        NimCompiler -> "\"str\\nnext\"",
         PerlCompiler -> "\"str\\nnext\"",
         PHPCompiler -> "\"str\\nnext\"",
         PythonCompiler -> "u\"str\\nnext\"",
@@ -546,6 +594,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "\"str\\nnext\"",
         JavaScriptCompiler -> "\"str\\nnext\"",
         LuaCompiler -> "\"str\\nnext\"",
+        NimCompiler -> "\"str\\nnext\"",
         PerlCompiler -> "\"str\\nnext\"",
         PHPCompiler -> "\"str\\nnext\"",
         PythonCompiler -> "u\"str\\nnext\"",
@@ -559,6 +608,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "\"str\\000next\"",
         JavaScriptCompiler -> "\"str\\x00next\"",
         LuaCompiler -> "\"str\\x00next\"",
+        NimCompiler -> "\"str\\x00next\"",
         PerlCompiler -> "\"str\\x00next\"",
         PHPCompiler -> "\"str\\x00next\"",
         PythonCompiler -> "u\"str\\x00next\"",
@@ -570,6 +620,7 @@ class TranslatorSpec extends AnyFunSpec {
       everybodyExcept("\"str1\" + \"str2\"", "\"str1\" + \"str2\"", ResultMap(
         CppCompiler -> "std::string(\"str1\") + std::string(\"str2\")",
         LuaCompiler -> "\"str1\" .. \"str2\"",
+        NimCompiler -> "$\"str1\" & $\"str2\"",
         PerlCompiler -> "\"str1\" . \"str2\"",
         PHPCompiler -> "\"str1\" . \"str2\"",
         PythonCompiler -> "u\"str1\" + u\"str2\""
@@ -609,6 +660,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "\"str\".length()",
         JavaScriptCompiler -> "\"str\".length",
         LuaCompiler -> "string.len(\"str\")",
+        NimCompiler -> "len(\"str\")",
         PerlCompiler -> "length(\"str\")",
         PHPCompiler -> "strlen(\"str\")",
         PythonCompiler -> "len(u\"str\")",
@@ -622,6 +674,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "(foo() + bar()).length()",
         JavaScriptCompiler -> "(this.foo + this.bar).length",
         LuaCompiler -> "string.len(self.foo .. self.bar)",
+        NimCompiler -> "len($this.foo & $this.bar)",
         PerlCompiler -> "length($self->foo() . $self->bar())",
         PHPCompiler -> "strlen($this->foo() . $this->bar())",
         PythonCompiler -> "len(self.foo + self.bar)",
@@ -635,6 +688,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "new StringBuilder(\"str\").reverse().toString()",
         JavaScriptCompiler -> "Array.from(\"str\").reverse().join('')",
         LuaCompiler -> "string.reverse(\"str\")",
+        NimCompiler -> "reversed(\"str\")",
         PerlCompiler -> "scalar(reverse(\"str\"))",
         PHPCompiler -> "strrev(\"str\")",
         PythonCompiler -> "(u\"str\")[::-1]",
@@ -648,6 +702,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "new StringBuilder(foo() + bar()).reverse().toString()",
         JavaScriptCompiler -> "Array.from(this.foo + this.bar).reverse().join('')",
         LuaCompiler -> "string.reverse(self.foo .. self.bar)",
+        NimCompiler -> "reversed($this.foo & $this.bar)",
         PerlCompiler -> "scalar(reverse($self->foo() . $self->bar()))",
         PHPCompiler -> "strrev($this->foo() . $this->bar())",
         PythonCompiler -> "(self.foo + self.bar)[::-1]",
@@ -666,6 +721,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "Long.parseLong(\"12345\", 10)",
         JavaScriptCompiler -> "Number.parseInt(\"12345\", 10)",
         LuaCompiler -> "tonumber(\"12345\")",
+        NimCompiler -> "\"12345\".parseInt(10)",
         PerlCompiler -> "\"12345\" + 0",
         PHPCompiler -> "intval(\"12345\", 10)",
         PythonCompiler -> "int(u\"12345\")",
@@ -684,6 +740,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "Long.parseLong(\"1234fe\", 16)",
         JavaScriptCompiler -> "Number.parseInt(\"1234fe\", 16)",
         LuaCompiler -> "tonumber(\"1234fe\", 16)",
+        NimCompiler -> "\"1234fe\".parseInt(16)",
         PerlCompiler -> "hex(\"1234fe\")",
         PHPCompiler -> "intval(\"1234fe\", 16)",
         PythonCompiler -> "int(u\"1234fe\", 16)",
@@ -698,6 +755,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "\"foobar\".substring(2, 4)",
         JavaScriptCompiler -> "\"foobar\".substring(2, 4)",
         LuaCompiler -> "string.sub(\"foobar\", 2 + 1, 4)",
+        NimCompiler -> "\"foobar\".substr(2, 4 - 1)",
         PerlCompiler -> "substr(\"foobar\", 2, 4 - 2)",
         PHPCompiler -> "\\Kaitai\\Struct\\Stream::substring(\"foobar\", 2, 4)",
         PythonCompiler -> "u\"foobar\"[2:4]",
@@ -713,6 +771,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "(foo() + bar()).substring(2, 4)",
         JavaScriptCompiler -> "(this.foo + this.bar).substring(2, 4)",
         LuaCompiler -> "string.sub(self.foo .. self.bar, 2 + 1, 4)",
+        NimCompiler -> "($this.foo & $this.bar).substr(2, 4 - 1)",
         PerlCompiler -> "substr($self->foo() . $self->bar(), 2, 4 - 2)",
         PHPCompiler -> "\\Kaitai\\Struct\\Stream::substring($this->foo() . $this->bar(), 2, 4)",
         PythonCompiler -> "(self.foo + self.bar)[2:4]",
@@ -728,6 +787,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "foo().substring(10 - 7, 10 - 3)",
         JavaScriptCompiler -> "this.foo.substring(10 - 7, 10 - 3)",
         LuaCompiler -> "string.sub(self.foo, (10 - 7) + 1, 10 - 3)", // TODO: LuaCompiler -> "string.sub(self.foo, 10 - 7 + 1, 10 - 3)",
+        NimCompiler -> "this.foo.substr(10 - 7, 10 - 3 - 1)",
         PerlCompiler -> "substr($self->foo(), 10 - 7, (10 - 3) - (10 - 7))", // TODO: PerlCompiler -> "substr($self->foo(), 10 - 7, 10 - 3 - (10 - 7))",
         PHPCompiler -> "\\Kaitai\\Struct\\Stream::substring($this->foo(), 10 - 7, 10 - 3)",
         PythonCompiler -> "self.foo[10 - 7:10 - 3]",
@@ -743,6 +803,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "foo().substring(10 - 7, 10 << 2)",
         JavaScriptCompiler -> "this.foo.substring(10 - 7, 10 << 2)",
         LuaCompiler -> "string.sub(self.foo, (10 - 7) + 1, 10 << 2)", // TODO: LuaCompiler -> "string.sub(self.foo, 10 - 7 + 1, 10 << 2)",
+        NimCompiler -> "this.foo.substr(10 - 7, 10 shl 2 - 1)",
         PerlCompiler -> "substr($self->foo(), 10 - 7, (10 << 2) - (10 - 7))",
         PHPCompiler -> "\\Kaitai\\Struct\\Stream::substring($this->foo(), 10 - 7, 10 << 2)",
         PythonCompiler -> "self.foo[10 - 7:10 << 2]",
@@ -758,6 +819,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "foo().substring(10 << 1, 42)",
         JavaScriptCompiler -> "this.foo.substring(10 << 1, 42)",
         LuaCompiler -> "string.sub(self.foo, (10 << 1) + 1, 42)",
+        NimCompiler -> "this.foo.substr(10 shl 1, 42 - 1)",
         PerlCompiler -> "substr($self->foo(), 10 << 1, 42 - (10 << 1))",
         PHPCompiler -> "\\Kaitai\\Struct\\Stream::substring($this->foo(), 10 << 1, 42)",
         PythonCompiler -> "self.foo[10 << 1:42]",
@@ -775,6 +837,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "((TopClass.Block) (other())).bar()",
         JavaScriptCompiler -> "this.other.bar",
         LuaCompiler -> "self.other.bar",
+        NimCompiler -> "TopClass_Block(this.other).bar",
         PerlCompiler -> "$self->other()->bar()",
         PHPCompiler -> "$this->other()->bar()",
         PythonCompiler -> "self.other.bar",
@@ -788,6 +851,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "((TopClass.Block.Innerblock) (other())).baz()",
         JavaScriptCompiler -> "this.other.baz",
         LuaCompiler -> "self.other.baz",
+        NimCompiler -> "TopClass_Block_Innerblock(this.other).baz",
         PerlCompiler -> "$self->other()->baz()",
         PHPCompiler -> "$this->other()->baz()",
         PythonCompiler -> "self.other.baz",
@@ -803,6 +867,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "((short) (1 + 2))",
         JavaScriptCompiler -> "1 + 2",
         LuaCompiler -> "1 + 2",
+        NimCompiler -> "int16(1 + 2)",
         PerlCompiler -> "1 + 2",
         PHPCompiler -> "1 + 2",
         PythonCompiler -> "1 + 2",
@@ -818,6 +883,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "new byte[] {  }",
         JavaScriptCompiler -> "new Uint8Array([])",
         LuaCompiler -> "\"\"",
+        NimCompiler -> "@[]",
         PerlCompiler -> "pack('C*', ())",
         PHPCompiler -> "\"\"",
         PythonCompiler -> "b\"\"",
@@ -831,6 +897,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "new ArrayList<Integer>(Arrays.asList())",
         JavaScriptCompiler -> "[]",
         LuaCompiler -> "{}",
+        NimCompiler -> "@[]",
         PerlCompiler -> "[]",
         PHPCompiler -> "[]",
         PythonCompiler -> "[]",
@@ -844,6 +911,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "new ArrayList<Double>(Arrays.asList())",
         JavaScriptCompiler -> "[]",
         LuaCompiler -> "{}",
+        NimCompiler -> "@[]",
         PerlCompiler -> "[]",
         PHPCompiler -> "[]",
         PythonCompiler -> "[]",
@@ -860,6 +928,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "new byte[] { 0 + 1, 5 }",
         JavaScriptCompiler -> "new Uint8Array([0 + 1, 5])",
         LuaCompiler -> "string.char(0 + 1, 5)",
+        NimCompiler -> "@[0 + 1, 5]",
         PerlCompiler -> "pack('C*', (0 + 1, 5))",
         PHPCompiler -> "pack('C*', 0 + 1, 5)",
         PythonCompiler -> "struct.pack('2B', 0 + 1, 5)",
@@ -873,6 +942,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> "new ArrayList<Integer>(Arrays.asList(0, 1, 2))",
         JavaScriptCompiler -> "[0, 1, 2]",
         LuaCompiler -> "{0, 1, 2}",
+        NimCompiler -> "@[uint8(0), uint8(1), uint8(2)]",
         PerlCompiler -> "[0, 1, 2]",
         PHPCompiler -> "[0, 1, 2]",
         PythonCompiler -> "[0, 1, 2]",
@@ -928,6 +998,7 @@ class TranslatorSpec extends AnyFunSpec {
       JavaCompiler -> "\"abc\" + Long.toString(1) + \"%def\"",
       JavaScriptCompiler -> "\"abc\" + (1).toString() + \"%def\"",
       LuaCompiler -> "\"abc\" .. tostring(1) .. \"%def\"",
+      NimCompiler -> "\"abc\" & intToStr(int(1)) & \"%def\"",
       PerlCompiler -> "\"abc\" . sprintf('%d', 1) . \"\\%def\"",
       PHPCompiler -> "\"abc\" . strval(1) . \"%def\"",
       PythonCompiler -> "u\"abc\" + str(1) + u\"%def\"",
@@ -959,6 +1030,7 @@ class TranslatorSpec extends AnyFunSpec {
         JavaCompiler -> new JavaTranslator(tp, new ImportList()),
         JavaScriptCompiler -> new JavaScriptTranslator(tp, new ImportList()),
         LuaCompiler -> new LuaTranslator(tp, new ImportList()),
+        NimCompiler -> new NimTranslator(tp, new ImportList()),
         PerlCompiler -> new PerlTranslator(tp, new ImportList()),
         PHPCompiler -> new PHPTranslator(tp, RuntimeConfig()),
         PythonCompiler -> new PythonTranslator(tp, new ImportList(), RuntimeConfig()),