Add reference command

build.gradle

@@ -127,8 +127,7 @@ dependencies {
 
 
 test {
-  jvmArgs = ["-XX:SoftRefLRUPolicyMSPerMB=50", "-XX:+UseConcMarkSweepGC", "-Xverify:none",  "-Xms256m", "-Xmx2G"]
-
+  jvmArgs = ["-XX:SoftRefLRUPolicyMSPerMB=50", "-XX:+UseConcMarkSweepGC", "-Xverify:none"]
   testLogging {
     events "PASSED", "FAILED", "SKIPPED"
     exceptionFormat "full"

src/main/java/meghanada/Main.java

@@ -67,7 +67,7 @@ public static void main(String args[]) throws ParseException, IOException {
             new Thread(
                 () -> {
                   log.info("shutdown server");
-                  Config.load().showMemory();
+                  Config.showMemory();
                 }));
 
     System.setProperty("home", Config.getInstalledPath().getParentFile().getCanonicalPath());

src/main/java/meghanada/analyze/AccessSymbol.java

@@ -5,9 +5,8 @@
 
 public abstract class AccessSymbol implements Serializable {
 
-  private static final long serialVersionUID = -1404691982810815085L;
   static final int SCOPE_LIMIT = 32;
-
+  private static final long serialVersionUID = -1404691982810815085L;
   public String declaringClass;
   public String scope = "";
   public String name;

src/main/java/meghanada/analyze/ClassScope.java

@@ -12,14 +12,12 @@
 import java.util.Optional;
 import java.util.Set;
 import javax.annotation.Nullable;
-import jetbrains.exodus.entitystore.Entity;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.apache.logging.log4j.message.EntryMessage;
 
 public class ClassScope extends TypeScope {
 
-  public static final String ENTITY_TYPE = "ClassScope";
   private static final long serialVersionUID = -7970631189101348627L;
   private static final Logger log = LogManager.getLogger(ClassScope.class);
   public final List<ClassScope> classScopes = new ArrayList<>(1);
@@ -196,18 +194,6 @@ public Collection<AccessSymbol> getAccessSymbols() {
     return result;
   }
 
-  void setEntityProps(Entity entity) {
-    Range range = this.range;
-    entity.setProperty("fqcn", this.getFQCN());
-    entity.setProperty("name", this.name);
-    entity.setProperty("isEnum", this.isEnum);
-    entity.setProperty("isInterface", this.isInterface);
-    entity.setProperty("beginLine", range.begin.line);
-    entity.setProperty("beginColumn", range.begin.column);
-    entity.setProperty("endLine", range.end.line);
-    entity.setProperty("endColumn", range.end.column);
-  }
-
   public List<ClassScope> getClassScopes() {
     return classScopes;
   }

src/main/java/meghanada/analyze/FieldAccess.java

@@ -1,13 +1,7 @@
 package meghanada.analyze;
 
-import static java.util.Objects.nonNull;
-import static java.util.Objects.requireNonNull;
-
-import jetbrains.exodus.entitystore.Entity;
-
 public class FieldAccess extends AccessSymbol {
 
-  public static final String ENTITY_TYPE = "FieldAccess";
   private static final long serialVersionUID = -1933640313689982694L;
   public boolean isEnum;
 
@@ -19,22 +13,4 @@ public FieldAccess(final String name, final int pos, final Range range) {
   public boolean match(int line, int column) {
     return this.range.begin.line == line && this.containsColumn(column);
   }
-
-  void setEntityProps(Entity entity) {
-
-    requireNonNull(this.returnType, this.toString());
-    Range range = this.range;
-
-    entity.setProperty("declaringClass", this.declaringClass);
-    entity.setProperty("name", this.name);
-    if (nonNull(this.returnType)) {
-      entity.setProperty("returnType", this.returnType);
-    }
-
-    entity.setProperty("beginLine", range.begin.line);
-    entity.setProperty("beginColumn", range.begin.column);
-
-    entity.setProperty("endLine", range.end.line);
-    entity.setProperty("endColumn", range.end.column);
-  }
 }

src/main/java/meghanada/analyze/MethodCall.java

@@ -4,24 +4,32 @@
 
 import java.util.Collections;
 import java.util.List;
-import jetbrains.exodus.entitystore.Entity;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
 public class MethodCall extends AccessSymbol {
 
-  public static final String ENTITY_TYPE = "MethodCall";
-  public static final String ARGS_ENTITY_TYPE = "Arguments";
   private static final long serialVersionUID = -2434830191914184294L;
   private static final Logger log = LogManager.getLogger(MethodCall.class);
   public Range nameRange;
-  public List<String> arguments = Collections.emptyList();
+  boolean constructor;
+  private List<String> arguments = Collections.emptyList();
 
   public MethodCall(final String name, final int pos, final Range nameRange, final Range range) {
     super(name, pos, range);
     this.nameRange = nameRange;
   }
 
+  public MethodCall(
+      final String name,
+      final int pos,
+      final Range nameRange,
+      final Range range,
+      boolean constructor) {
+    this(name, pos, nameRange, range);
+    this.constructor = constructor;
+  }
+
   public MethodCall(
       final String scope,
       final String name,
@@ -58,22 +66,4 @@ public boolean match(int line, int column) {
   public boolean nameContains(final int column) {
     return this.nameRange.begin.column <= column && column <= this.nameRange.end.column;
   }
-
-  void setEntityProps(Entity entity) {
-
-    Range range = this.nameRange;
-
-    if (nonNull(this.declaringClass)) {
-      entity.setProperty("declaringClass", this.declaringClass);
-    }
-    entity.setProperty("name", this.name);
-    if (nonNull(this.returnType)) {
-      entity.setProperty("returnType", this.returnType);
-    }
-    entity.setProperty("beginLine", range.begin.line);
-    entity.setProperty("beginColumn", range.begin.column);
-
-    entity.setProperty("endLine", range.end.line);
-    entity.setProperty("endColumn", range.end.column);
-  }
 }

src/main/java/meghanada/analyze/MethodScope.java

@@ -15,11 +15,11 @@ public class MethodScope extends BlockScope {
   private static final long serialVersionUID = -6957893688780569397L;
   private static final Logger log = LogManager.getLogger(MethodScope.class);
 
-  public final List<String> parameters = new ArrayList<>(3);
-  public String name;
-  public Range nameRange;
-  public boolean isConstructor;
-  public String returnType;
+  private final List<String> parameters = new ArrayList<>(3);
+  protected String name;
+  protected String returnType;
+  private Range nameRange;
+  private boolean isConstructor;
 
   public MethodScope(
       final String name, @Nullable final Range nameRange, final int pos, final Range range) {
@@ -165,4 +165,12 @@ public String toString() {
         .add("parameters", parameters)
         .toString();
   }
+
+  public List<String> getParameters() {
+    return parameters;
+  }
+
+  public boolean isConstructor() {
+    return isConstructor;
+  }
 }

src/main/java/meghanada/analyze/Scope.java

@@ -149,7 +149,7 @@ protected String getScopeType() {
         return "Class";
       case "MethodScope":
         final MethodScope methodScope = (MethodScope) this;
-        return methodScope.isConstructor ? "Constructor" : "Method";
+        return methodScope.isConstructor() ? "Constructor" : "Method";
       default:
         return "Block";
     }

src/main/java/meghanada/analyze/TreeAnalyzer.java

@@ -1323,7 +1323,7 @@ private void analyzeNewClass(
     final Range nameRange = Range.create(src, start, end);
 
     final Range range = Range.create(src, preferredPos + 4, endPos);
-    final MethodCall methodCall = new MethodCall(name, preferredPos, nameRange, range);
+    final MethodCall methodCall = new MethodCall(name, preferredPos, nameRange, range, true);
 
     final Type type = identifier.type;
     this.getTypeString(src, type)

src/main/java/meghanada/analyze/Variable.java

@@ -2,16 +2,13 @@
 
 import com.google.common.base.MoreObjects;
 import java.io.Serializable;
-import jetbrains.exodus.entitystore.Entity;
 import meghanada.reflect.CandidateUnit;
 import meghanada.reflect.FieldDescriptor;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
 public class Variable implements Serializable {
 
-  public static final String ENTITY_TYPE = "Variable";
-
   private static final long serialVersionUID = 5911384112219223687L;
   private static Logger log = LogManager.getLogger(Variable.class);
 
@@ -51,21 +48,4 @@ public boolean isDecl() {
   public CandidateUnit toCandidateUnit() {
     return FieldDescriptor.createVar("", this.name, this.fqcn);
   }
-
-  void setEntityProps(Entity entity) {
-
-    Range range = this.range;
-
-    entity.setProperty("fqcn", this.fqcn);
-    entity.setProperty("name", this.name);
-    entity.setProperty("isDef", this.isDef);
-    entity.setProperty("isParameter", this.isParameter);
-    entity.setProperty("isField", this.isField);
-
-    entity.setProperty("beginLine", range.begin.line);
-    entity.setProperty("beginColumn", range.begin.column);
-
-    entity.setProperty("endLine", range.end.line);
-    entity.setProperty("endColumn", range.end.column);
-  }
 }

src/main/java/meghanada/config/Config.java

@@ -5,6 +5,7 @@
 
 import com.google.common.base.Stopwatch;
 import com.typesafe.config.ConfigFactory;
+import com.typesafe.config.ConfigValueFactory;
 import java.io.File;
 import java.io.IOException;
 import java.io.UncheckedIOException;
@@ -32,7 +33,7 @@ public class Config {
   private static final Logger log = LogManager.getLogger(Config.class);
   private static Config config;
 
-  private final com.typesafe.config.Config c;
+  private com.typesafe.config.Config c;
   private boolean debug;
   private List<String> includeList;
   private List<String> excludeList;
@@ -169,6 +170,18 @@ public static File getInstalledPath() {
     }
   }
 
+  public static void showMemory() {
+    final Runtime runtime = Runtime.getRuntime();
+    final float maxMemory = runtime.maxMemory() / 1024 / 1024;
+    final float totalMemory = runtime.totalMemory() / 1024 / 1024;
+    final float usedMemory = (runtime.totalMemory() - runtime.freeMemory()) / 1024 / 1024;
+    log.info(
+        "memory usage (used/total/max): {}MB / {}MB / {}MB",
+        String.format("%.2f", usedMemory),
+        String.format("%.2f", totalMemory),
+        String.format("%.2f", maxMemory));
+  }
+
   public List<String> gradlePrepareCompileTask() {
     final String tasks = c.getString(GRADLE_PREPARE_COMPILE_TASK);
     final String[] split = StringUtils.split(tasks, ",");
@@ -329,16 +342,13 @@ public int getSourceCacheSize() {
     return c.getInt("source-cache-size");
   }
 
-  public void showMemory() {
-    final Runtime runtime = Runtime.getRuntime();
-    final float maxMemory = runtime.maxMemory() / 1024 / 1024;
-    final float totalMemory = runtime.totalMemory() / 1024 / 1024;
-    final float usedMemory = (runtime.totalMemory() - runtime.freeMemory()) / 1024 / 1024;
-    log.info(
-        "memory usage (used/total/max): {}MB / {}MB / {}MB",
-        String.format("%.2f", usedMemory),
-        String.format("%.2f", totalMemory),
-        String.format("%.2f", maxMemory));
+  public void update(String key, Object newVal) {
+    com.typesafe.config.Config newConfig = c.withValue(key, ConfigValueFactory.fromAnyRef(newVal));
+    this.c = newConfig;
+  }
+
+  public boolean useAOSPStyle() {
+    return c.getBoolean("aosp-style");
   }
 
   @FunctionalInterface

src/main/java/meghanada/docs/declaration/Declaration.java

@@ -22,7 +22,8 @@ public String toString() {
     return MoreObjects.toStringHelper(this)
         .add("symbol", scopeInfo)
         .add("declaration", signature)
-        .add("declaration", signature)
+        .add("type", type)
+        .add("argumentIndex", argumentIndex)
         .toString();
   }
 

src/main/java/meghanada/formatter/JavaFormatter.java

@@ -12,6 +12,7 @@
 import javax.xml.stream.XMLInputFactory;
 import javax.xml.stream.XMLStreamException;
 import javax.xml.stream.XMLStreamReader;
+import meghanada.config.Config;
 import org.eclipse.jdt.core.ToolFactory;
 import org.eclipse.jdt.core.formatter.CodeFormatter;
 import org.eclipse.jface.text.BadLocationException;
@@ -22,11 +23,25 @@
 public class JavaFormatter {
 
   private static final Pattern NEW_LINE = Pattern.compile("\n");
-  private static final Formatter googleFormatter =
-      new Formatter(JavaFormatterOptions.defaultOptions());
+  private static Formatter googleFormatter = null;
 
   private JavaFormatter() {}
 
+  private static Formatter getGoogleFormatter() {
+    if (googleFormatter != null) {
+      return googleFormatter;
+    }
+
+    if (Config.load().useAOSPStyle()) {
+      googleFormatter =
+          new Formatter(
+              JavaFormatterOptions.builder().style(JavaFormatterOptions.Style.AOSP).build());
+    } else {
+      googleFormatter = new Formatter(JavaFormatterOptions.defaultOptions());
+    }
+    return googleFormatter;
+  }
+
   public static Properties getPropertiesFromXML(File xmlFile) {
     final XMLInputFactory factory = XMLInputFactory.newInstance();
     final Properties properties = new Properties();
@@ -50,7 +65,7 @@ public static Properties getPropertiesFromXML(File xmlFile) {
 
   public static String formatGoogleStyle(final String content) {
     try {
-      return googleFormatter.formatSource(content);
+      return getGoogleFormatter().formatSource(content);
     } catch (FormatterException e) {
       return content;
     }

src/main/java/meghanada/junit/TestRunner.java

@@ -125,6 +125,7 @@ private void runJunit(String arg, Request request) {
               stopwatch.stop()));
       System.out.println("Success");
     }
+
     System.out.println(Strings.repeat("-", 80));
   }
 

src/main/java/meghanada/location/LocationSearcher.java

@@ -387,7 +387,7 @@ private Optional<Location> getMethodLocationFromProject(
                   return false;
                 }
                 final MethodScope methodScope = (MethodScope) bs;
-                final List<String> parameters = methodScope.parameters;
+                final List<String> parameters = methodScope.getParameters();
                 return ClassNameUtils.compareArgumentType(arguments, parameters);
               })
           .map(MethodScope.class::cast)