Fixed IteratorMember and added a test for iterating over lists

Author: stanhebben

CodeModel/src/main/java/org/openzen/zenscript/codemodel/member/IteratorMember.java

@@ -3,6 +3,7 @@
 import org.openzen.zencode.shared.CodePosition;
 import org.openzen.zenscript.codemodel.*;
 import org.openzen.zenscript.codemodel.identifiers.MethodID;
+import org.openzen.zenscript.codemodel.identifiers.instances.IteratorInstance;
 import org.openzen.zenscript.codemodel.identifiers.instances.MethodInstance;
 import org.openzen.zenscript.codemodel.statement.Statement;
 import org.openzen.zenscript.codemodel.type.IteratorTypeID;
@@ -49,7 +50,13 @@ public String describe() {
 
 	@Override
 	public void registerTo(TypeID targetType, MemberSet.Builder members, GenericMapper mapper) {
+		TypeID[] instancedTypes = mapper.map(iteratorTypes);
+		IteratorTypeID iteratorTypeID = new IteratorTypeID(instancedTypes);
+		FunctionHeader header = new FunctionHeader(iteratorTypeID);
 
+		MethodInstance instance = new MethodInstance(this, header, targetType);
+		IteratorInstance iterator = new IteratorInstance(targetType, instancedTypes, instance);
+		members.iterator(iterator);
 	}
 
 	@Override

ScriptingEngineTester/src/main/resources/zencode_tests/stdlib/list_iterate.zc

@@ -0,0 +1,13 @@
+#dependency: stdlib
+#output: 1
+#output: thing
+
+import stdlib.List;
+
+var list = new List<string>();
+list.add('thing');
+
+println(list.length);
+for item in list {
+	println(item);
+}