diff --git a/CodeGen/BMapBindings/JsonWriter.java b/CodeGen/BMapBindings/JsonWriter.java
new file mode 100644
index 0000000..13c6a99
--- /dev/null
+++ b/CodeGen/BMapBindings/JsonWriter.java
@@ -0,0 +1,60 @@
+import java.io.OutputStreamWriter;
+import java.util.Vector;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonObject;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+public class JsonWriter {
+	
+	private static JsonObject writeVariableType(VariableType vt) {
+		JsonObject data = new JsonObject();
+		
+		JsonArray hierarchy = new JsonArray();
+		for (String item : vt.getBaseTypeHierarchy()) {
+			hierarchy.add(item);
+		}
+		data.add("hierarchy", hierarchy);
+		data.addProperty("pointer_level", vt.getPointerLevel());
+		
+		return data;
+	}
+	
+	private static JsonObject writeExpFctParamDecl(ExpFctParamDecl paramdecl) {
+		JsonObject data = new JsonObject();
+		data.addProperty("name", paramdecl.mVarName);
+		data.addProperty("is_input", paramdecl.mIsInput);
+		data.addProperty("desc", paramdecl.mVarDesc);
+		data.add("type", writeVariableType(paramdecl.mVarType));
+		
+		return data;
+	}
+	
+	private static JsonObject writeExpFctDecl(ExpFctDecl fctdecl) {
+		JsonObject data = new JsonObject();
+		data.addProperty("name", fctdecl.mFctName);
+		data.add("return", writeVariableType(fctdecl.mFctRetType));
+		
+		JsonArray paramlist = new JsonArray();
+		for (ExpFctParamDecl paramdecl : fctdecl.mFctParams) {
+			paramlist.add(writeExpFctParamDecl(paramdecl));
+		}
+		data.add("params", paramlist);
+		
+		return data;
+	}
+	
+	public static void writeJson(Vector<ExpFctDecl> data) throws Exception {
+		OutputStreamWriter writer = CommonHelper.openWriter("dest/BMExports.json");
+		//Gson gson_instance = new GsonBuilder().setPrettyPrinting().disableHtmlEscaping().create();
+		Gson gson_instance = new GsonBuilder().disableHtmlEscaping().create();
+		
+		JsonArray fcts = new JsonArray();
+		for (ExpFctDecl fctdecl : data) {
+			fcts.add(writeExpFctDecl(fctdecl));
+		}
+		
+		writer.write(gson_instance.toJson(fcts));
+		writer.close();
+	}
+}
diff --git a/CodeGen/BMapBindings/MainRunner.java b/CodeGen/BMapBindings/MainRunner.java
index 077f661..e27dfc9 100644
--- a/CodeGen/BMapBindings/MainRunner.java
+++ b/CodeGen/BMapBindings/MainRunner.java
@@ -26,6 +26,7 @@ public class MainRunner {
 		Vector<ExpFctDecl> result = worker.getResult();
 		PythonWriter.writePythonCode(result);
 		CSharpWriter.writeCSharpCode(result);
+		JsonWriter.writeJson(result);
 		
 		// print message.
 		System.out.println("DONE!");
diff --git a/CodeGen/BMapBindings/VariableType.java b/CodeGen/BMapBindings/VariableType.java
index 803b95c..4a50787 100644
--- a/CodeGen/BMapBindings/VariableType.java
+++ b/CodeGen/BMapBindings/VariableType.java
@@ -67,6 +67,10 @@ public class VariableType {
 	public int getPointerLevel() {
 		return mPointerLevel;
 	}
+	
+	public Vector<String> getBaseTypeHierarchy() {
+		return (Vector<String>) mBaseType.clone();
+	}
 
 	public boolean isValid() {
 		return mBaseType.size() != 0;