end
# Attributes
- for id, java_type in jclass.attributes do
- generate_getter_setter(jclass, id, java_type)
+ for id, attribute in jclass.attributes do if not attribute.is_static then
+ generate_getter_setter(jclass, id, attribute)
end
+ # JNI services
+ generate_jni_services jclass.class_type
+
# Close the class
file_out.write "end\n\n"
file_out.write "\n"
end
end
+
+ # Static attributes as top-level getters and setters
+ for id, attribute in jclass.attributes do if attribute.is_static then
+ generate_getter_setter(jclass, id, attribute)
+ end
+
+ # Primitive arrays
+ for d in [1..opt_arrays.value] do
+ generate_primitive_array(jclass, d)
+ end
end
if stub_for_unknown_types then
private fun generate_class_header(jtype: JavaType)
do
var nit_type = model.java_to_nit_type(jtype)
- file_out.write "# Java class: {jtype.to_package_name}\n"
- file_out.write "extern class {nit_type} in \"Java\" `\{ {jtype.to_package_name} `\}\n"
+ file_out.write "# Java class: {jtype}\n"
+ file_out.write "extern class {nit_type} in \"Java\" `\{ {jtype.extern_equivalent} `\}\n"
file_out.write "\tsuper JavaObject\n\n"
end
do
var nit_type = jtype.extern_name
- file_out.write "extern class {nit_type} in \"Java\" `\{ {jtype.to_package_name} `\}\n"
+ file_out.write "extern class {nit_type} in \"Java\" `\{ {jtype.extern_equivalent} `\}\n"
file_out.write "\tsuper JavaObject\n\nend\n"
end
var nit_type = model.java_to_nit_type(jparam)
if not nit_type.is_known and comment_unknown_types then c = "#"
- if jparam.is_primitive_array then c = "#"
java_args.add "{jparam.param_cast}{nit_id}{nit_id_no}"
nit_params.add "{nit_id}{nit_id_no}: {nit_type}"
return_type = model.java_to_nit_type(java_return_type)
if not return_type.is_known and comment_unknown_types then c = "#"
- if java_return_type.is_primitive_array then c = "#"
nit_signature.add ": " + return_type.to_s
end
# Build the call in Java
var java_call
if is_static == true then
- java_call = java_class.class_type.to_package_name
+ java_call = java_class.class_type.package_name
else java_call = "self"
java_call += ".{java_method_id}({java_args.join(", ")})"
end
# Generate getter and setter to access an attribute, of field
- private fun generate_getter_setter(java_class: JavaClass, java_id: String, java_type: JavaType)
+ private fun generate_getter_setter(java_class: JavaClass, java_id: String,
+ attribute: JavaAttribute)
do
+ var java_type = attribute.java_type
var nit_type = model.java_to_nit_type(java_type)
- var nit_id = java_id.to_nit_method_name
+
+ var nit_id = java_id
+ if attribute.is_static then nit_id = java_class.class_type.extern_name.to_snake_case + "_" + nit_id
+ nit_id = nit_id.to_nit_method_name
nit_id = java_class.nit_name_for(nit_id, [java_type], false)
var c = ""
if not nit_type.is_known and comment_unknown_types then c = "#"
- if java_type.is_primitive_array then c = "#"
+
+ var recv
+ if attribute.is_static then
+ recv = java_class.class_type.package_name
+ else recv = "self"
+
+ # Tabulation
+ var t = "\t"
+ if attribute.is_static then t = ""
+ var ct = c+t
file_out.write """
- # Java getter: {{{java_class}}}.{{{java_id}}}
-{{{c}}} fun {{{nit_id}}}: {{{nit_type}}} in "Java" `{
-{{{c}}} return self.{{{java_id}}};
-{{{c}}} `}
+{{{t}}}# Java getter: {{{java_class}}}.{{{java_id}}}
+{{{ct}}}fun {{{nit_id}}}: {{{nit_type}}} in "Java" `{
+{{{ct}}} return {{{recv}}}.{{{java_id}}};
+{{{ct}}}`}
- # Java setter: {{{java_class}}}.{{{java_id}}}
-{{{c}}} fun {{{nit_id}}}=(value: {{{nit_type}}}) in "Java" `{
-{{{c}}} self.{{{java_id}}} = value;
-{{{c}}} `}
+{{{t}}}# Java setter: {{{java_class}}}.{{{java_id}}}
+{{{ct}}}fun {{{nit_id}}}=(value: {{{nit_type}}}) in "Java" `{
+{{{ct}}} {{{recv}}}.{{{java_id}}} = value;
+{{{ct}}}`}
"""
end
param_id = param_id.successor(1)
if not nit_type.is_known and comment_unknown_types then c = "#"
- if java_type.is_primitive_array then c = "#"
end
nit_params_s = "(" + nit_params.join(", ") + ")"
"""
end
+
+ private fun generate_primitive_array(java_class: JavaClass, dimensions: Int)
+ do
+ var base_java_type = java_class.class_type
+ var java_type = base_java_type.clone
+ java_type.array_dimension = dimensions
+
+ var base_nit_type = model.java_to_nit_type(base_java_type)
+ var nit_type = model.java_to_nit_type(java_type)
+
+ file_out.write """
+# Java primitive array: {{{java_type}}}
+extern class {{{nit_type}}} in "Java" `{ {{{java_type.extern_equivalent}}} `}
+ super AbstractJavaArray[{{{base_nit_type}}}]
+
+ # Get a new array of the given `size`
+ new(size: Int) in "Java" `{ return new {{{base_java_type}}}[(int)size]; `}
+
+ redef fun [](i) in "Java" `{ return self[(int)i]; `}
+
+ redef fun []=(i, e) in "Java" `{ self[(int)i] = e; `}
+
+ redef fun length in "Java" `{ return self.length; `}
+
+"""
+ generate_jni_services(java_type)
+ file_out.write """
+end
+
+"""
+ end
+
+ # Generate JNI related services
+ #
+ # For now, mostly avoid issue #845, but more services could be generated as needed.
+ private fun generate_jni_services(java_type: JavaType)
+ do
+ var nit_type = model.java_to_nit_type(java_type)
+
+ file_out.write """
+ redef fun new_global_ref import sys, Sys.jni_env `{
+ Sys sys = {{{nit_type}}}_sys(self);
+ JNIEnv *env = Sys_jni_env(sys);
+ return (*env)->NewGlobalRef(env, self);
+ `}
+
+ redef fun pop_from_local_frame_with_env(jni_env) `{
+ return (*jni_env)->PopLocalFrame(jni_env, self);
+ `}
+"""
+ end
end
redef class Sys