Fixed autocompletion on instance members (fixes #108)

Author: albertlatacz

src/javarepl/completion/InstanceMemberCompleter.java

@@ -3,6 +3,7 @@
 import com.googlecode.totallylazy.Option;
 import com.googlecode.totallylazy.Sequence;
 import com.googlecode.totallylazy.Sequences;
+import com.googlecode.totallylazy.reflection.Types;
 import javarepl.Evaluator;
 import javarepl.reflection.ClassReflection;
 import javarepl.reflection.MemberReflection;
@@ -33,16 +34,17 @@ public CompletionResult call(String expression) throws Exception {
         final Boolean canComplete = packagePart.matches("[a-zA-Z0-9\\$_\\\\.\\(\\[\\]]*") && packagePart.contains(".");
 
         final int beginIndex = packagePart.lastIndexOf('.') + 1;
-        Option<Type> aClass = canComplete
-                ? evaluator.typeOfExpression(packagePart.substring(0, beginIndex - 1))
-                : none(Type.class);
+        Option<Class<?>> aClass = canComplete
+                ? evaluator.typeOfExpression(packagePart.substring(0, beginIndex - 1)).map(Types::classOf)
+                : none();
 
         if (aClass.isDefined()) {
             ClassReflection classReflection = reflectionOf(aClass.get());
 
             Sequence<MemberReflection> join = Sequences.empty(MemberReflection.class)
                     .join(classReflection.declaredFields())
-                    .join(classReflection.declaredMethods());
+                    .join(classReflection.declaredMethods())
+                    .unique();
 
             Sequence<CompletionCandidate> candidates = join
                     .filter(isPublic().and(not(isStatic())))

test/javarepl/completion/InstanceMemberCompleterTest.java

@@ -1,20 +1,25 @@
 package javarepl.completion;
 
+import javarepl.completion.helpers.SimpleCompletionInstance;
 import org.junit.Test;
 
+import static com.googlecode.totallylazy.Sequences.sequence;
 import static javarepl.completion.CompleterTestHelper.*;
 import static org.junit.Assert.assertThat;
 
 public class InstanceMemberCompleterTest {
 
     @Test
-    public void shouldCompleteStaticMembers() {
-        InstanceMemberCompleter completer = new InstanceMemberCompleter(evaluator());
-        String expression = TestOuterClass.class.getCanonicalName() + ".staticField.";
+    public void shouldCompleteInstance() {
+        String expression = "ci.over";
+        String instanceClassName = SimpleCompletionInstance.class.getCanonicalName();
+        InstanceMemberCompleter completer = new InstanceMemberCompleter(evaluator("ci = new "+instanceClassName+"()"));
 
-//        CompletionResult result = completer.apply(expression);
-//        assertThat(result,
-//                completesTo(candidates("staticField", "staticMethod("), position(expression.length())));
+        CompletionResult result = completer.apply(expression);
+
+        assertThat(result,
+                completesTo(candidates(new CompletionCandidate("overloadedMethod(", sequence("int overloadedMethod()", "int overloadedMethod(int)", "int overloadedMethod(int, int)"))),
+                position(3)));
 
         assertThat(completer.apply("invalid"), completesTo(candidatesValues(), position(0)));
     }

test/javarepl/completion/helpers/SimpleCompletionInstance.java

@@ -0,0 +1,32 @@
+package javarepl.completion.helpers;
+
+
+import java.util.Date;
+
+
+public class SimpleCompletionInstance {
+    public void voidMethod() {
+    }
+
+
+    public int primitiveTypeReturningMethod() {
+        return 0;
+    }
+
+    public Date complexTypeReturningMethod() {
+        return new Date();
+    }
+
+    public int overloadedMethod() {
+        return 0;
+    }
+
+    public int overloadedMethod(int param) {
+        return param;
+    }
+
+    public int overloadedMethod(int param1, int param2) {
+        return param1 + param2;
+    }
+
+}