Make CompileTimeConstant abstract class

compiler/frontend/src/org/jetbrains/jet/lang/evaluate/ConstantExpressionEvaluator.kt

@@ -533,7 +533,7 @@ private fun createUnconvertibleCompileTimeConstant(value: Any?): CompileTimeCons
 private fun createStringConstant(value: CompileTimeConstant<*>?): StringValue? {
     return when (value) {
         null -> null
-        is IntegerValueTypeConstant -> createStringConstant(value.getValue().getCompileTimeConstantForNumberType(TypeUtils.NO_EXPECTED_TYPE))
+        is IntegerValueTypeConstant -> createStringConstant(value.getValue()!!.getCompileTimeConstantForNumberType(TypeUtils.NO_EXPECTED_TYPE))
         is StringValue -> value
         is IntValue, is ByteValue, is ShortValue, is LongValue,
         is CharValue,

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/AnnotationValue.java

@@ -22,18 +22,10 @@ import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
 import org.jetbrains.jet.lang.types.JetType;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 
-public class AnnotationValue implements CompileTimeConstant<AnnotationDescriptor> {
+public class AnnotationValue extends CompileTimeConstant<AnnotationDescriptor> {
     
-    private final AnnotationDescriptor value;
-
     public AnnotationValue(@NotNull AnnotationDescriptor value) {
-        this.value = value;
+        super(value);
-    }
-
-    @Override
-    @NotNull
-    public AnnotationDescriptor getValue() {
-        return value;
     }
 
     @Override

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/ArrayValue.java

@@ -17,28 +17,22 @@
 package org.jetbrains.jet.lang.resolve.constants;
 
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
 import org.jetbrains.jet.lang.types.JetType;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 
 import java.util.List;
 
-public class ArrayValue implements CompileTimeConstant<List<CompileTimeConstant<?>>> {
+public class ArrayValue extends CompileTimeConstant<List<CompileTimeConstant<?>>> {
 
-    private final List<CompileTimeConstant<?>> value;
     private final JetType type;
 
     public ArrayValue(@NotNull List<CompileTimeConstant<?>> value, @NotNull JetType type) {
-        this.value = value;
+        super(value);
         this.type = type;
     }
 
-    @Override
-    @NotNull
-    public List<CompileTimeConstant<?>> getValue() {
-        return value;
-    }
-
     @NotNull
     @Override
     public JetType getType(@NotNull KotlinBuiltIns kotlinBuiltIns) {

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/BooleanValue.java

@@ -21,15 +21,13 @@ import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 import org.jetbrains.jet.lang.types.JetType;
 
-public class BooleanValue implements CompileTimeConstant<Boolean> {
+public class BooleanValue extends CompileTimeConstant<Boolean> {
 
     public static final BooleanValue FALSE = new BooleanValue(false);
     public static final BooleanValue TRUE = new BooleanValue(true);
 
-    private final boolean value;
-
     private BooleanValue(boolean value) {
-        this.value = value;
+        super(value);
     }
 
     @NotNull
@@ -37,11 +35,6 @@ public class BooleanValue implements CompileTimeConstant<Boolean> {
         return value ? TRUE : FALSE;
     }
 
-    @Override
-    public Boolean getValue() {
-        return value;
-    }
-
     @NotNull
     @Override
     public JetType getType(@NotNull KotlinBuiltIns kotlinBuiltIns) {

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/ByteValue.java

@@ -23,7 +23,7 @@ import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 import org.jetbrains.jet.lang.types.JetType;
 
-public class ByteValue implements CompileTimeConstant<Byte> {
+public class ByteValue extends CompileTimeConstant<Byte> {
     public static final Function<Long, ByteValue> CREATE = new Function<Long, ByteValue>() {
         @Override
         public ByteValue apply(@Nullable Long input) {
@@ -32,15 +32,8 @@ public class ByteValue implements CompileTimeConstant<Byte> {
         }
     };
 
-    private final byte value;
-
     public ByteValue(byte value) {
-        this.value = value;
+        super(value);
-    }
-
-    @Override
-    public Byte getValue() {
-        return value;
     }
 
     @NotNull

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/CharValue.java

@@ -21,17 +21,10 @@ import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 import org.jetbrains.jet.lang.types.JetType;
 
-public class CharValue implements CompileTimeConstant<Character> {
+public class CharValue extends CompileTimeConstant<Character> {
-
-    private final char value;
 
     public CharValue(char value) {
-        this.value = value;
+        super(value);
-    }
-
-    @Override
-    public Character getValue() {
-        return value;
     }
 
     @NotNull

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/CompileTimeConstant.java

@@ -17,15 +17,25 @@
 package org.jetbrains.jet.lang.resolve.constants;
 
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
 import org.jetbrains.jet.lang.types.JetType;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 
-public interface CompileTimeConstant<T> {
+public abstract class CompileTimeConstant<T> {
-    T getValue();
+    protected final T value;
+
+    protected CompileTimeConstant(T value) {
+        this.value = value;
+    }
+
+    @Nullable
+    public T getValue() {
+        return value;
+    }
 
     @NotNull
-    JetType getType(@NotNull KotlinBuiltIns kotlinBuiltIns);
+    public abstract JetType getType(@NotNull KotlinBuiltIns kotlinBuiltIns);
 
-    <R, D> R accept(AnnotationArgumentVisitor<R, D> visitor, D data);
+    public abstract <R, D> R accept(AnnotationArgumentVisitor<R, D> visitor, D data);
 }

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/DoubleValue.java

@@ -21,16 +21,10 @@ import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 import org.jetbrains.jet.lang.types.JetType;
 
-public class DoubleValue implements CompileTimeConstant<Double> {
+public class DoubleValue extends CompileTimeConstant<Double> {
-    private final double value;
 
     public DoubleValue(double value) {
-        this.value = value;
+        super(value);
-    }
-
-    @Override
-    public Double getValue() {
-        return value;
     }
 
     @NotNull

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/EnumValue.java

@@ -22,17 +22,10 @@ import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
 import org.jetbrains.jet.lang.types.JetType;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 
-public class EnumValue implements CompileTimeConstant<ClassDescriptor> {
+public class EnumValue extends CompileTimeConstant<ClassDescriptor> {
-    private final ClassDescriptor value;
 
     public EnumValue(@NotNull ClassDescriptor value) {
-        this.value = value;
+        super(value);
-    }
-
-    @Override
-    @NotNull
-    public ClassDescriptor getValue() {
-        return value;
     }
 
     @NotNull

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/ErrorValue.java

@@ -22,7 +22,11 @@ import org.jetbrains.jet.lang.types.ErrorUtils;
 import org.jetbrains.jet.lang.types.JetType;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 
-public abstract class ErrorValue implements CompileTimeConstant<Void> {
+public abstract class ErrorValue extends CompileTimeConstant<Void> {
+
+    public ErrorValue() {
+        super(null);
+    }
 
     @Override
     @Deprecated // Should not be called, for this is not a real value, but a indication of an error

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/FloatValue.java

@@ -21,16 +21,10 @@ import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 import org.jetbrains.jet.lang.types.JetType;
 
-public class FloatValue implements CompileTimeConstant<Float> {
+public class FloatValue extends CompileTimeConstant<Float> {
-    private final float value;
 
     public FloatValue(float value) {
-        this.value = value;
+        super(value);
-    }
-
-    @Override
-    public Float getValue() {
-        return value;
     }
 
     @NotNull

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/IntValue.java

@@ -23,7 +23,7 @@ import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 import org.jetbrains.jet.lang.types.JetType;
 
-public class IntValue implements CompileTimeConstant<Integer> {
+public class IntValue extends CompileTimeConstant<Integer> {
     public static final Function<Long, IntValue> CREATE = new Function<Long, IntValue>() {
         @Override
         public IntValue apply(@Nullable Long input) {
@@ -32,15 +32,8 @@ public class IntValue implements CompileTimeConstant<Integer> {
         }
     };
 
-    private final int value;
-
     public IntValue(int value) {
-        this.value = value;
+        super(value);
-    }
-
-    @Override
-    public Integer getValue() {
-        return value;
     }
 
     @NotNull

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/IntegerValueTypeConstant.java

@@ -27,12 +27,10 @@ import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 
 import java.util.Collections;
 
-public class IntegerValueTypeConstant implements CompileTimeConstant<IntegerValueTypeConstructor> {
+public class IntegerValueTypeConstant extends CompileTimeConstant<IntegerValueTypeConstructor> {
-
-    private final IntegerValueTypeConstructor value;
 
     public IntegerValueTypeConstant(long value) {
-        this.value = new IntegerValueTypeConstructor(value);
+        super(new IntegerValueTypeConstructor(value));
     }
 
     @NotNull
@@ -49,12 +47,6 @@ public class IntegerValueTypeConstant implements CompileTimeConstant<IntegerValu
         return visitor.visitNumberTypeValue(this, data);
     }
 
-    @NotNull
-    @Override
-    public IntegerValueTypeConstructor getValue() {
-        return value;
-    }
-
     @Override
     public String toString() {
         return value.toString();

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/JavaClassValue.java

@@ -21,12 +21,10 @@ import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
 import org.jetbrains.jet.lang.types.JetType;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 
-public class JavaClassValue implements CompileTimeConstant<JetType> {
+public class JavaClassValue extends CompileTimeConstant<JetType> {
-
-    private final JetType value;
 
     public JavaClassValue(JetType value) {
-        this.value = value;
+        super(value);
     }
 
     @Override

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/LongValue.java

@@ -23,7 +23,7 @@ import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 import org.jetbrains.jet.lang.types.JetType;
 
-public class LongValue implements CompileTimeConstant<Long> {
+public class LongValue extends CompileTimeConstant<Long> {
     public static final Function<Long, LongValue> CREATE = new Function<Long, LongValue>() {
         @Override
         public LongValue apply(@Nullable Long input) {
@@ -31,15 +31,8 @@ public class LongValue implements CompileTimeConstant<Long> {
         }
     };
 
-    private final long value;
-
     public LongValue(long value) {
-        this.value = value;
+        super(value);
-    }
-
-    @Override
-    public Long getValue() {
-        return value;
     }
 
     @NotNull

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/NullValue.java

@@ -21,16 +21,12 @@ import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 import org.jetbrains.jet.lang.types.JetType;
 
-public class NullValue implements CompileTimeConstant<Void> {
+public class NullValue extends CompileTimeConstant<Void> {
 
     public static final NullValue NULL = new NullValue();
 
     private NullValue() {
-    }
+        super(null);
-
-    @Override
-    public Void getValue() {
-        return null;
     }
 
     @NotNull

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/ShortValue.java

@@ -23,7 +23,7 @@ import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 import org.jetbrains.jet.lang.types.JetType;
 
-public class ShortValue implements CompileTimeConstant<Short> {
+public class ShortValue extends CompileTimeConstant<Short> {
     public static final Function<Long, ShortValue> CREATE = new Function<Long, ShortValue>() {
         @Override
         public ShortValue apply(@Nullable Long input) {
@@ -32,15 +32,8 @@ public class ShortValue implements CompileTimeConstant<Short> {
         }
     };
 
-    private final short value;
-
     public ShortValue(short value) {
-        this.value = value;
+        super(value);
-    }
-
-    @Override
-    public Short getValue() {
-        return value;
     }
 
     @NotNull

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/StringValue.java

@@ -21,17 +21,11 @@ import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 import org.jetbrains.jet.lang.types.JetType;
 
-public class StringValue implements CompileTimeConstant<String> {
+public class StringValue extends CompileTimeConstant<String> {
 
-    private final String value;
 
     public StringValue(String value) {
-        this.value = value;
+        super(value);
-    }
-
-    @Override
-    public String getValue() {
-        return value;
     }
 
     @NotNull