contrib/objcwrapper: minor style fix
[nit.git] / contrib / objcwrapper / src / objc_generator.nit
index fb9e4ab..f2f04a9 100644 (file)
@@ -42,7 +42,7 @@ redef class Sys
                "Wrap `init...` constructors as Nit methods instead of Nit constructors",
                "--init-as-methods")
 
-       private var nit_to_java_types: Map[String, String] is lazy do
+       private var objc_to_nit_types: Map[String, String] is lazy do
                var types = new HashMap[String, String]
                types["char"] = "Byte"
                types["short"] = "Int"
@@ -67,6 +67,11 @@ redef class Sys
        end
 end
 
+redef class ObjcModel
+       redef fun knows_type(objc_type) do return super or
+               objc_to_nit_types.keys.has(objc_type)
+end
+
 # Wrapper generator
 class CodeGenerator
 
@@ -126,10 +131,12 @@ extern class {{{classe.name}}} in "ObjC" `{ {{{classe.name}}} * `}
                        write_attribute(attribute, file)
                end
 
-               # Methods
+               # Instance methods '-'
                for method in classe.methods do
+                       if not model.knows_all_types(method) then method.is_commented = true
 
                        if not opt_init_as_methods.value and method.is_init then continue
+                       if method.is_class_property then continue
 
                        write_method_signature(method, file)
                        write_objc_method_call(method, file)
@@ -138,6 +145,14 @@ extern class {{{classe.name}}} in "ObjC" `{ {{{classe.name}}} * `}
                file.write """
 end
 """
+
+               # Class methods '+'
+               for method in classe.methods do
+                       if not method.is_class_property then continue
+
+                       write_method_signature(method, file)
+                       write_objc_method_call(method, file)
+               end
        end
 
        private fun write_constructors(classe: ObjcClass, file: Writer)
@@ -157,14 +172,18 @@ end
                for method in classe.methods do
                        if not method.is_init then continue
 
+                       if not model.knows_all_types(method) then method.is_commented = true
+
                        write_method_signature(method, file)
 
-                               write_objc_init_call(classe.name, method, file)
+                       write_objc_init_call(classe.name, method, file)
                end
        end
 
        private fun write_attribute(attribute: ObjcAttribute, file: Writer)
        do
+               if not model.knows_type(attribute.return_type) then attribute.is_commented = true
+
                write_attribute_getter(attribute, file)
                # TODO write_attribute_setter if there is no `readonly` annotation
        end
@@ -172,7 +191,7 @@ end
        private fun write_attribute_getter(attribute: ObjcAttribute, file: Writer)
        do
                var nit_attr_name = attribute.name.to_snake_case
-               var nit_attr_type = attribute.return_type.to_nit_type
+               var nit_attr_type = attribute.return_type.objc_to_nit_type
 
                var c = attribute.comment_str
 
@@ -187,7 +206,7 @@ end
        private fun write_attribute_setter(attribute: ObjcAttribute, file: Writer)
        do
                var nit_attr_name = attribute.name.to_snake_case
-               var nit_attr_type = attribute.return_type.to_nit_type
+               var nit_attr_type = attribute.return_type.objc_to_nit_type
 
                var c = attribute.comment_str
 
@@ -212,6 +231,9 @@ end
 
                if name == "init" then name = ""
 
+               # If class method, prefix with class name
+               if method.is_class_property then name = "{method.objc_class.name.to_snake_case}_{name}"
+
                # Kind of method
                var fun_keyword = "fun"
                if not opt_init_as_methods.value and method.is_init then
@@ -222,7 +244,7 @@ end
                var params = new Array[String]
                for param in method.params do
                        if param.is_single then break
-                       params.add "{param.variable_name}: {param.return_type.to_nit_type}"
+                       params.add "{param.variable_name}: {param.return_type.objc_to_nit_type}"
                end
 
                var params_with_par = ""
@@ -231,11 +253,11 @@ end
                # Return
                var ret = ""
                if method.return_type != "void" and fun_keyword != "new" then
-                       ret = ": {method.return_type.to_nit_type}"
+                       ret = ": {method.return_type.objc_to_nit_type}"
                end
 
                file.write """
-{{{c}}}        {{{fun_keyword}}} {{{name}}}{{{params_with_par}}}{{{ret}}} in "ObjC" `{
+{{{c}}}{{{fun_keyword}}} {{{name}}}{{{params_with_par}}}{{{ret}}} in "ObjC" `{
 """
        end
 
@@ -253,8 +275,8 @@ end
                var c = method.comment_str
 
                file.write """
-{{{c}}}                return [[{{{class_name}}} alloc] {{{params.join(" ")}}}];
-{{{c}}}        `}
+{{{c}}}        return [[{{{class_name}}} alloc] {{{params.join(" ")}}}];
+{{{c}}}`}
 
 """
        end
@@ -273,11 +295,15 @@ end
                        else params.add param.name
                end
 
+               # Receiver, instance or class
+               var recv = "self"
+               if method.is_class_property then recv = method.objc_class.name
+
                var c = method.comment_str
 
                file.write """
-{{{c}}}                {{{ret}}}[self {{{params.join(" ")}}}];
-{{{c}}}        `}
+{{{c}}}        {{{ret}}}[{{{recv}}} {{{params.join(" ")}}}];
+{{{c}}}`}
 
 """
        end
@@ -285,9 +311,9 @@ end
 
 redef class Text
        # Nit equivalent to this type
-       private fun to_nit_type: String
+       private fun objc_to_nit_type: String
        do
-               var types = sys.nit_to_java_types
+               var types = sys.objc_to_nit_types
 
                if types.has_key(self) then
                        return types[self]
@@ -297,8 +323,14 @@ redef class Text
        end
 end
 
-redef class Property
+redef class ObjcProperty
        private fun comment_str: String do if is_commented then
                return "#"
        else return ""
 end
+
+redef class ObjcMethod
+       private fun indent: String do return if is_class_property then "" else "\t"
+
+       redef fun comment_str do return indent + super
+end