Give ThisExpr a name as scope

javaparser · May 1, 2019 · 1bf4c06 · 1bf4c06
1 parent 2e7bdfe
commit 1bf4c06
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Showing 25 changed files with 79 additions and 71 deletions.
diff --git a/javaparser-core-testing/src/test/java/com/github/javaparser/ast/expr/ThisExprTest.java b/javaparser-core-testing/src/test/java/com/github/javaparser/ast/expr/ThisExprTest.java
@@ -3,6 +3,7 @@
 import org.junit.jupiter.api.Test;
 
 import static com.github.javaparser.StaticJavaParser.parseExpression;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 class ThisExprTest {
@@ -15,19 +16,19 @@ void justThis() {
 
     @Test
     void singleScopeThis() {
-        Expression expr = parseExpression("a.this");
+        Expression expr = parseExpression("A.this");
 
-        Expression classExpr = expr.asThisExpr().getClassExpr().get();
+        Name className = expr.asThisExpr().getClassName().get();
 
-        assertTrue(classExpr.isNameExpr());
+        assertEquals("A", className.asString());
     }
 
     @Test
     void multiScopeThis() {
-        Expression expr = parseExpression("a.b.this");
+        Expression expr = parseExpression("a.B.this");
 
-        Expression classExpr = expr.asThisExpr().getClassExpr().get();
+        Name className = expr.asThisExpr().getClassName().get();
 
-        assertTrue(classExpr.isFieldAccessExpr());
+        assertEquals("a.B", className.asString());
     }
 }
diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/CompilationUnit.java b/javaparser-core/src/main/java/com/github/javaparser/ast/CompilationUnit.java
@@ -42,15 +42,13 @@
 import com.github.javaparser.utils.ClassUtils;
 import com.github.javaparser.utils.CodeGenerationUtils;
 import com.github.javaparser.utils.Utils;
-
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.List;
 import java.util.Optional;
 import java.util.function.Function;
-
 import static com.github.javaparser.JavaToken.Kind.*;
 import static com.github.javaparser.Providers.UTF8;
 import static com.github.javaparser.Providers.provider;
@@ -60,9 +58,9 @@
 import static com.github.javaparser.ast.Modifier.createModifierList;
 import static com.github.javaparser.utils.CodeGenerationUtils.subtractPaths;
 import static com.github.javaparser.utils.Utils.assertNotNull;
-
 import com.github.javaparser.ast.Node;
 import com.github.javaparser.ast.Generated;
+import com.github.javaparser.TokenRange;
 
 /**
  * <p>

diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/body/AnnotationDeclaration.java b/javaparser-core/src/main/java/com/github/javaparser/ast/body/AnnotationDeclaration.java
@@ -139,6 +139,6 @@ public Optional<AnnotationDeclaration> toAnnotationDeclaration() {
 
     @Override
     public FieldDeclaration addField(Type type, String name, Modifier.Keyword... modifiers) {
-        throw new IllegalStateException("Cannot add a field to an annotation declaration."); 
+        throw new IllegalStateException("Cannot add a field to an annotation declaration.");
     }
 }
diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/body/ConstructorDeclaration.java b/javaparser-core/src/main/java/com/github/javaparser/ast/body/ConstructorDeclaration.java
@@ -37,11 +37,11 @@
 import com.github.javaparser.TokenRange;
 import com.github.javaparser.resolution.Resolvable;
 import com.github.javaparser.resolution.declarations.ResolvedConstructorDeclaration;
-
 import java.util.Optional;
 import java.util.function.Consumer;
-
 import static com.github.javaparser.utils.Utils.assertNotNull;
+import com.github.javaparser.ast.Node;
+import com.github.javaparser.ast.Generated;
 
 /**
  * A constructor declaration: <code>class X { X() { } }</code> where X(){} is the constructor declaration.

diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/body/MethodDeclaration.java b/javaparser-core/src/main/java/com/github/javaparser/ast/body/MethodDeclaration.java
@@ -33,20 +33,18 @@
 import com.github.javaparser.ast.type.TypeParameter;
 import com.github.javaparser.ast.visitor.GenericVisitor;
 import com.github.javaparser.ast.visitor.VoidVisitor;
-
 import java.util.Optional;
-
 import static com.github.javaparser.utils.Utils.assertNotNull;
-
 import com.github.javaparser.ast.visitor.CloneVisitor;
 import com.github.javaparser.metamodel.MethodDeclarationMetaModel;
 import com.github.javaparser.metamodel.JavaParserMetaModel;
 import com.github.javaparser.TokenRange;
 import com.github.javaparser.metamodel.OptionalProperty;
 import com.github.javaparser.resolution.Resolvable;
 import com.github.javaparser.resolution.declarations.ResolvedMethodDeclaration;
-
 import java.util.function.Consumer;
+import com.github.javaparser.ast.Node;
+import com.github.javaparser.ast.Generated;
 
 /**
  * A method declaration. "public int abc() {return 1;}" in this example: <code>class X { public int abc() {return 1;}

diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/expr/ThisExpr.java b/javaparser-core/src/main/java/com/github/javaparser/ast/expr/ThisExpr.java
@@ -52,24 +52,24 @@
 public class ThisExpr extends Expression implements Resolvable<ResolvedTypeDeclaration> {
 
     @OptionalProperty
-    private Expression classExpr;
+    private Name className;
 
     public ThisExpr() {
         this(null, null);
     }
 
     @AllFieldsConstructor
-    public ThisExpr(final Expression classExpr) {
-        this(null, classExpr);
+    public ThisExpr(final Name className) {
+        this(null, className);
     }
 
     /**
      * This constructor is used by the parser and is considered private.
      */
     @Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator")
-    public ThisExpr(TokenRange tokenRange, Expression classExpr) {
+    public ThisExpr(TokenRange tokenRange, Name className) {
         super(tokenRange);
-        setClassExpr(classExpr);
+        setClassName(className);
         customInitialization();
     }
 
@@ -86,20 +86,20 @@ public <A> void accept(final VoidVisitor<A> v, final A arg) {
     }
 
     @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
-    public Optional<Expression> getClassExpr() {
-        return Optional.ofNullable(classExpr);
+    public Optional<Name> getClassName() {
+        return Optional.ofNullable(className);
     }
 
     @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
-    public ThisExpr setClassExpr(final Expression classExpr) {
-        if (classExpr == this.classExpr) {
+    public ThisExpr setClassName(final Name className) {
+        if (className == this.className) {
             return (ThisExpr) this;
         }
-        notifyPropertyChange(ObservableProperty.CLASS_EXPR, this.classExpr, classExpr);
-        if (this.classExpr != null)
-            this.classExpr.setParentNode(null);
-        this.classExpr = classExpr;
-        setAsParentNodeOf(classExpr);
+        notifyPropertyChange(ObservableProperty.CLASS_NAME, this.className, className);
+        if (this.className != null)
+            this.className.setParentNode(null);
+        this.className = className;
+        setAsParentNodeOf(className);
         return this;
     }
 
@@ -108,18 +108,18 @@ public ThisExpr setClassExpr(final Expression classExpr) {
     public boolean remove(Node node) {
         if (node == null)
             return false;
-        if (classExpr != null) {
-            if (node == classExpr) {
-                removeClassExpr();
+        if (className != null) {
+            if (node == className) {
+                removeClassName();
                 return true;
             }
         }
         return super.remove(node);
     }
 
     @Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator")
-    public ThisExpr removeClassExpr() {
-        return setClassExpr((Expression) null);
+    public ThisExpr removeClassName() {
+        return setClassName((Name) null);
     }
 
     @Override
@@ -139,9 +139,9 @@ public ThisExprMetaModel getMetaModel() {
     public boolean replace(Node node, Node replacementNode) {
         if (node == null)
             return false;
-        if (classExpr != null) {
-            if (node == classExpr) {
-                setClassExpr((Expression) replacementNode);
+        if (className != null) {
+            if (node == className) {
+                setClassName((Name) replacementNode);
                 return true;
             }
         }

diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/observer/ObservableProperty.java b/javaparser-core/src/main/java/com/github/javaparser/ast/observer/ObservableProperty.java
@@ -45,6 +45,7 @@ public enum ObservableProperty {
     CLASS_BODY(Type.MULTIPLE_REFERENCE),
     CLASS_DECLARATION(Type.SINGLE_REFERENCE),
     CLASS_EXPR(Type.SINGLE_REFERENCE),
+    CLASS_NAME(Type.SINGLE_REFERENCE),
     COMMENT(Type.SINGLE_REFERENCE),
     COMPARE(Type.SINGLE_REFERENCE),
     COMPONENT_TYPE(Type.SINGLE_REFERENCE),

diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/visitor/CloneVisitor.java b/javaparser-core/src/main/java/com/github/javaparser/ast/visitor/CloneVisitor.java
@@ -598,9 +598,9 @@ public Visitable visit(final SimpleName n, final Object arg) {
 
     @Override
     public Visitable visit(final ThisExpr n, final Object arg) {
-        Expression classExpr = cloneNode(n.getClassExpr(), arg);
+        Name className = cloneNode(n.getClassName(), arg);
         Comment comment = cloneNode(n.getComment(), arg);
-        ThisExpr r = new ThisExpr(n.getTokenRange().orElse(null), classExpr);
+        ThisExpr r = new ThisExpr(n.getTokenRange().orElse(null), className);
         r.setComment(comment);
         copyData(n, r);
         return r;

diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/visitor/EqualsVisitor.java b/javaparser-core/src/main/java/com/github/javaparser/ast/visitor/EqualsVisitor.java
@@ -792,7 +792,7 @@ public Boolean visit(final SimpleName n, final Visitable arg) {
     @Override
     public Boolean visit(final ThisExpr n, final Visitable arg) {
         final ThisExpr n2 = (ThisExpr) arg;
-        if (!nodeEquals(n.getClassExpr(), n2.getClassExpr()))
+        if (!nodeEquals(n.getClassName(), n2.getClassName()))
             return false;
         if (!nodeEquals(n.getComment(), n2.getComment()))
             return false;

diff --git a/...arser-core/src/main/java/com/github/javaparser/ast/visitor/GenericListVisitorAdapter.java b/...arser-core/src/main/java/com/github/javaparser/ast/visitor/GenericListVisitorAdapter.java
@@ -1550,8 +1550,8 @@ public List<R> visit(final SynchronizedStmt n, final A arg) {
     public List<R> visit(final ThisExpr n, final A arg) {
         List<R> result = new ArrayList<>();
         List<R> tmp;
-        if (n.getClassExpr().isPresent()) {
-            tmp = n.getClassExpr().get().accept(this, arg);
+        if (n.getClassName().isPresent()) {
+            tmp = n.getClassName().get().accept(this, arg);
             if (tmp != null)
                 result.addAll(tmp);
         }

diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/visitor/GenericVisitorAdapter.java b/javaparser-core/src/main/java/com/github/javaparser/ast/visitor/GenericVisitorAdapter.java
@@ -1471,8 +1471,8 @@ public R visit(final SynchronizedStmt n, final A arg) {
     @Override
     public R visit(final ThisExpr n, final A arg) {
         R result;
-        if (n.getClassExpr().isPresent()) {
-            result = n.getClassExpr().get().accept(this, arg);
+        if (n.getClassName().isPresent()) {
+            result = n.getClassName().get().accept(this, arg);
             if (result != null)
                 return result;
         }

diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/visitor/HashCodeVisitor.java b/javaparser-core/src/main/java/com/github/javaparser/ast/visitor/HashCodeVisitor.java
@@ -331,7 +331,7 @@ public Integer visit(final SynchronizedStmt n, final Void arg) {
     }
 
     public Integer visit(final ThisExpr n, final Void arg) {
-        return (n.getClassExpr().isPresent() ? n.getClassExpr().get().accept(this, arg) : 0) * 31 + (n.getComment().isPresent() ? n.getComment().get().accept(this, arg) : 0);
+        return (n.getClassName().isPresent() ? n.getClassName().get().accept(this, arg) : 0) * 31 + (n.getComment().isPresent() ? n.getComment().get().accept(this, arg) : 0);
     }
 
     public Integer visit(final ThrowStmt n, final Void arg) {

diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/visitor/ModifierVisitor.java b/javaparser-core/src/main/java/com/github/javaparser/ast/visitor/ModifierVisitor.java
@@ -876,9 +876,9 @@ public Visitable visit(final SynchronizedStmt n, final A arg) {
 
     @Override
     public Visitable visit(final ThisExpr n, final A arg) {
-        Expression classExpr = n.getClassExpr().map(s -> (Expression) s.accept(this, arg)).orElse(null);
+        Name className = n.getClassName().map(s -> (Name) s.accept(this, arg)).orElse(null);
         Comment comment = n.getComment().map(s -> (Comment) s.accept(this, arg)).orElse(null);
-        n.setClassExpr(classExpr);
+        n.setClassName(className);
         n.setComment(comment);
         return n;
     }

diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/visitor/NoCommentEqualsVisitor.java b/javaparser-core/src/main/java/com/github/javaparser/ast/visitor/NoCommentEqualsVisitor.java
@@ -643,7 +643,7 @@ public Boolean visit(final SimpleName n, final Visitable arg) {
     @Override
     public Boolean visit(final ThisExpr n, final Visitable arg) {
         final ThisExpr n2 = (ThisExpr) arg;
-        if (!nodeEquals(n.getClassExpr(), n2.getClassExpr()))
+        if (!nodeEquals(n.getClassName(), n2.getClassName()))
             return false;
         return true;
     }

diff --git a/...parser-core/src/main/java/com/github/javaparser/ast/visitor/NoCommentHashCodeVisitor.java b/...parser-core/src/main/java/com/github/javaparser/ast/visitor/NoCommentHashCodeVisitor.java
@@ -323,7 +323,7 @@ public Integer visit(final SynchronizedStmt n, final Void arg) {
     }
 
     public Integer visit(final ThisExpr n, final Void arg) {
-        return (n.getClassExpr().isPresent() ? n.getClassExpr().get().accept(this, arg) : 0);
+        return (n.getClassName().isPresent() ? n.getClassName().get().accept(this, arg) : 0);
     }
 
     public Integer visit(final ThrowStmt n, final Void arg) {

diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/visitor/VoidVisitorAdapter.java b/javaparser-core/src/main/java/com/github/javaparser/ast/visitor/VoidVisitorAdapter.java
@@ -515,7 +515,7 @@ public void visit(final SynchronizedStmt n, final A arg) {
 
     @Override
     public void visit(final ThisExpr n, final A arg) {
-        n.getClassExpr().ifPresent(l -> l.accept(this, arg));
+        n.getClassName().ifPresent(l -> l.accept(this, arg));
         n.getComment().ifPresent(l -> l.accept(this, arg));
     }
 

diff --git a/javaparser-core/src/main/java/com/github/javaparser/metamodel/JavaParserMetaModel.java b/javaparser-core/src/main/java/com/github/javaparser/metamodel/JavaParserMetaModel.java
@@ -163,7 +163,7 @@ private static void initializeConstructorParameters() {
         singleMemberAnnotationExprMetaModel.getConstructorParameters().add(annotationExprMetaModel.namePropertyMetaModel);
         singleMemberAnnotationExprMetaModel.getConstructorParameters().add(singleMemberAnnotationExprMetaModel.memberValuePropertyMetaModel);
         superExprMetaModel.getConstructorParameters().add(superExprMetaModel.classExprPropertyMetaModel);
-        thisExprMetaModel.getConstructorParameters().add(thisExprMetaModel.classExprPropertyMetaModel);
+        thisExprMetaModel.getConstructorParameters().add(thisExprMetaModel.classNamePropertyMetaModel);
         typeExprMetaModel.getConstructorParameters().add(typeExprMetaModel.typePropertyMetaModel);
         unaryExprMetaModel.getConstructorParameters().add(unaryExprMetaModel.expressionPropertyMetaModel);
         unaryExprMetaModel.getConstructorParameters().add(unaryExprMetaModel.operatorPropertyMetaModel);
@@ -589,8 +589,8 @@ private static void initializePropertyMetaModels() {
         singleMemberAnnotationExprMetaModel.getDeclaredPropertyMetaModels().add(singleMemberAnnotationExprMetaModel.memberValuePropertyMetaModel);
         superExprMetaModel.classExprPropertyMetaModel = new PropertyMetaModel(superExprMetaModel, "classExpr", com.github.javaparser.ast.expr.Expression.class, Optional.of(expressionMetaModel), true, false, false, false);
         superExprMetaModel.getDeclaredPropertyMetaModels().add(superExprMetaModel.classExprPropertyMetaModel);
-        thisExprMetaModel.classExprPropertyMetaModel = new PropertyMetaModel(thisExprMetaModel, "classExpr", com.github.javaparser.ast.expr.Expression.class, Optional.of(expressionMetaModel), true, false, false, false);
-        thisExprMetaModel.getDeclaredPropertyMetaModels().add(thisExprMetaModel.classExprPropertyMetaModel);
+        thisExprMetaModel.classNamePropertyMetaModel = new PropertyMetaModel(thisExprMetaModel, "className", com.github.javaparser.ast.expr.Name.class, Optional.of(nameMetaModel), true, false, false, false);
+        thisExprMetaModel.getDeclaredPropertyMetaModels().add(thisExprMetaModel.classNamePropertyMetaModel);
         typeExprMetaModel.typePropertyMetaModel = new PropertyMetaModel(typeExprMetaModel, "type", com.github.javaparser.ast.type.Type.class, Optional.of(typeMetaModel), false, false, false, false);
         typeExprMetaModel.getDeclaredPropertyMetaModels().add(typeExprMetaModel.typePropertyMetaModel);
         unaryExprMetaModel.expressionPropertyMetaModel = new PropertyMetaModel(unaryExprMetaModel, "expression", com.github.javaparser.ast.expr.Expression.class, Optional.of(expressionMetaModel), false, false, false, false);

diff --git a/javaparser-core/src/main/java/com/github/javaparser/metamodel/ThisExprMetaModel.java b/javaparser-core/src/main/java/com/github/javaparser/metamodel/ThisExprMetaModel.java
@@ -8,5 +8,5 @@ public class ThisExprMetaModel extends ExpressionMetaModel {
         super(superBaseNodeMetaModel, com.github.javaparser.ast.expr.ThisExpr.class, "ThisExpr", "com.github.javaparser.ast.expr", false, false);
     }
 
-    public PropertyMetaModel classExprPropertyMetaModel;
+    public PropertyMetaModel classNamePropertyMetaModel;
 }
diff --git a/javaparser-core/src/main/java/com/github/javaparser/printer/ConcreteSyntaxModel.java b/javaparser-core/src/main/java/com/github/javaparser/printer/ConcreteSyntaxModel.java
@@ -479,7 +479,7 @@ private static CsmElement typeArguments() {
 
         concreteSyntaxModelByClass.put(ThisExpr.class, sequence(
                 comment(),
-                conditional(ObservableProperty.CLASS_EXPR, IS_PRESENT, sequence(child(CLASS_EXPR), token(GeneratedJavaParserConstants.DOT))),
+                conditional(CLASS_NAME, IS_PRESENT, sequence(child(CLASS_NAME), token(GeneratedJavaParserConstants.DOT))),
                 token(GeneratedJavaParserConstants.THIS)
         ));
 

diff --git a/javaparser-core/src/main/java/com/github/javaparser/printer/PrettyPrintVisitor.java b/javaparser-core/src/main/java/com/github/javaparser/printer/PrettyPrintVisitor.java
@@ -709,8 +709,8 @@ public void visit(final NullLiteralExpr n, final Void arg) {
     @Override
     public void visit(final ThisExpr n, final Void arg) {
         printComment(n.getComment(), arg);
-        if (n.getClassExpr().isPresent()) {
-            n.getClassExpr().get().accept(this, arg);
+        if (n.getClassName().isPresent()) {
+            n.getClassName().get().accept(this, arg);
             printer.print(".");
         }
         printer.print("this");

diff --git a/javaparser-core/src/main/javacc-support/com/github/javaparser/GeneratedJavaParserBase.java b/javaparser-core/src/main/javacc-support/com/github/javaparser/GeneratedJavaParserBase.java
@@ -353,4 +353,20 @@ private String makeMessageForParseException(ParseException exception) {
         }
         return sb.toString();
     }
+
+    /**
+     * Converts a NameExpr or a FieldAccessExpr scope to a Name. 
+     */
+    Name scopeToName(Expression scope) {
+        if (scope.isNameExpr()) {
+            SimpleName simpleName = scope.asNameExpr().getName();
+            return new Name(simpleName.getTokenRange().get(), null, simpleName.getIdentifier());
+        }
+        if (scope.isFieldAccessExpr()) {
+            FieldAccessExpr fieldAccessExpr = scope.asFieldAccessExpr();
+            return new Name(fieldAccessExpr.getTokenRange().get(), scopeToName(fieldAccessExpr.getScope()), fieldAccessExpr.getName().getIdentifier());
+
+        }
+        throw new IllegalStateException("Unexpected expression type: " + scope.getClass().getSimpleName());
+    }
 }
diff --git a/javaparser-core/src/main/javacc/java.jj b/javaparser-core/src/main/javacc/java.jj
@@ -1881,7 +1881,7 @@ Expression PrimarySuffixWithoutSuper(Expression scope):
   (
   	"."
   	(
-		"this" { ret = new ThisExpr(range(scope, token()), scope); }
+		"this" { ret = new ThisExpr(range(scope, token()), scopeToName(scope)); }
 	  |
 	  	ret = AllocationExpression(scope)
 	  |

diff --git a/...re/src/main/java/com/github/javaparser/symbolsolver/javaparsermodel/JavaParserFacade.java b/...re/src/main/java/com/github/javaparser/symbolsolver/javaparsermodel/JavaParserFacade.java
@@ -168,9 +168,9 @@ public SymbolReference<ResolvedConstructorDeclaration> solve(ExplicitConstructor
 
     public SymbolReference<ResolvedTypeDeclaration> solve(ThisExpr node) {
         // If 'this' is prefixed by a class eg. MyClass.this
-        if (node.getClassExpr().isPresent()) {
+        if (node.getClassName().isPresent()) {
             // Get the class name
-            String className = node.getClassExpr().get().toString();
+            String className = node.getClassName().get().asString();
             // Attempt to resolve using a typeSolver
             SymbolReference<ResolvedReferenceTypeDeclaration> clazz = typeSolver.tryToSolveType(className);
             if (clazz.isSolved()) {