feat: read parameter names from bytecode if possible

INRIA · Oct 19, 2022 · 4b14eee · 4b14eee
1 parent fbb0aad
commit 4b14eee
Showing 1 changed file with 13 additions and 2 deletions.
diff --git a/src/main/java/spoon/support/visitor/java/reflect/RtParameter.java b/src/main/java/spoon/support/visitor/java/reflect/RtParameter.java
@@ -11,6 +11,7 @@
 
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Constructor;
+import java.lang.reflect.Parameter;
 import java.lang.reflect.Type;
 
 /**
@@ -143,7 +144,12 @@ public int hashCode() {
 	public static RtParameter[] parametersOf(RtMethod method) {
 		RtParameter[] parameters = new RtParameter[method.getParameterTypes().length];
 		for (int index = 0; index < method.getParameterTypes().length; index++) {
-			parameters[index] = new RtParameter(null, method.getParameterTypes()[index], method.getGenericParameterTypes()[index], method, null, index);
+			String name = null;
+			Parameter parameter = method.getMethod().getParameters()[index];
+			if (parameter.isNamePresent()) {
+				name = parameter.getName();
+			}
+			parameters[index] = new RtParameter(name, method.getParameterTypes()[index], method.getGenericParameterTypes()[index], method, null, index);
 		}
 		return parameters;
 	}
@@ -179,7 +185,12 @@ public static RtParameter[] parametersOf(Constructor constructor) {
 		}
 
 		for (int index = 0; index < constructor.getGenericParameterTypes().length; index++) {
-			parameters[index] = new RtParameter(null, constructor.getParameterTypes()[index + offset], constructor.getGenericParameterTypes()[index], null, constructor, index);
+			String name = null;
+			Parameter parameter = constructor.getParameters()[index + offset];
+			if (parameter.isNamePresent()) {
+				name = parameter.getName();
+			}
+			parameters[index] = new RtParameter(name, constructor.getParameterTypes()[index + offset], constructor.getGenericParameterTypes()[index], null, constructor, index);
 		}
 		return parameters;
 	}