skeleton

src/gen_cpp_Engine.ysl2

@@ -7,19 +7,39 @@ tstylesheet {
 
     template "interface" document("org_pEp_jniadapter_{@name}.cc", "text")
         ||
+        #include <assert.h>
         #include "org_pEp_jniadapter_«@name».h"
+        #include "jniutils.hh"
+
+        using namespace pEp::JNIAdapter;
 
         `` apply "method", 0
         ||
 
     template "method" {
         const "mangled" call "mangle";
+        const "jtype" call "CamelCase" with "text", "name(parm[creates|returns]/*[2])";
 
         ||
-        JNIEXPORT jobject JNICALL «$mangled»(JNIEnv *env, jobject obj`apply "parm[in]", mode=sig`)
+        JNIEXPORT jobject JNICALL «$mangled»(
+                JNIEnv *env,
+                jobject obj`apply "parm[in]", mode=sig`
+            )
         {
-            jobject result;
+        ||
 
+        choose {
+            when "count(parm[returns|creates]) > 1"
+                |> jclass clazz = findClass(env, "org/pEp/jniadapter/_«@name»_Return");
+            when "count(parm[returns|creates]) = 1" {
+                |> jclass clazz = findClass(env, "org/pEp/jniadapter/«$jtype»");
+            }
+        }
+
+        ||
+            jmethodID constructor = env->GetMethodID(clazz, "<init>", "()V");
+            assert(constructor);
+            jobject result = env->NewObject(clazz, constructor);
 
             return result;
         }
@@ -40,7 +60,7 @@ tstylesheet {
 
     template "parm", mode=sig {
         const "name", "name(*[3])";
-        > , jobject «$name»
+        > ,\n        jobject «$name»
     }
 }