Resolve inherited public constants in field reads (#329)

Author: rcosta358

liquidjava-example/src/main/java/testSuite/classes/inherited_constant_correct/ImageWriteParamRefinements.java

@@ -0,0 +1,16 @@
+package testSuite.classes.inherited_constant_correct;
+
+import liquidjava.specification.ExternalRefinementsFor;
+import liquidjava.specification.Refinement;
+import liquidjava.specification.StateRefinement;
+import liquidjava.specification.StateSet;
+
+@StateSet({"start", "explicit"})
+@ExternalRefinementsFor("javax.imageio.ImageWriteParam")
+public interface ImageWriteParamRefinements {
+    @StateRefinement(to = "mode == 2 ? explicit(this) : start(this)")
+    void setCompressionMode(@Refinement("_ >= 0 && _ <= 3") int mode);
+
+    @StateRefinement(from = "explicit(this)")
+    void setCompressionQuality(@Refinement("_ >= 0.0 && _ <= 1.0") float quality);
+}

liquidjava-example/src/main/java/testSuite/classes/inherited_constant_correct/SimpleTest.java

@@ -0,0 +1,14 @@
+package testSuite.classes.inherited_constant_correct;
+
+import javax.imageio.ImageIO;
+import javax.imageio.ImageWriteParam;
+import javax.imageio.plugins.jpeg.JPEGImageWriteParam;
+
+public class SimpleTest {
+
+    public static void main(String[] args) {
+        ImageWriteParam param = ImageIO.getImageWritersByFormatName("jpeg").next().getDefaultWriteParam();
+        param.setCompressionMode(JPEGImageWriteParam.MODE_EXPLICIT);
+        param.setCompressionQuality(0.5f);
+    }
+}

liquidjava-verifier/src/main/java/liquidjava/utils/StaticConstants.java

@@ -30,8 +30,8 @@ private StaticConstants() {
      *
      * <p>
      * Tries the source AST first ({@link CtLiteral} initializer in Spoon's model), then reflection via
-     * {@link CtFieldReference#getActualField()} + {@link #readStaticFinal}. Returns {@code null} if the field isn't
-     * static-final, has a non-literal initializer, or any lookup step fails.
+     * {@link Class#getField(String)} + {@link #readStaticFinal} so inherited public constants are included. Returns
+     * {@code null} if the field isn't static-final, has a non-literal initializer, or any lookup step fails.
      *
      * @see #resolve(String, String, CtElement) sibling for refinement-string {@code Type.CONST} references
      */
@@ -43,8 +43,8 @@ public static Object resolve(CtFieldReference<?> ref) {
         if (v != null)
             return v;
         try {
-            return ref.getActualField()instanceof Field jf ? readStaticFinal(jf) : null;
-        } catch (RuntimeException | LinkageError ignored) {
+            return readStaticFinal(ref.getDeclaringType().getActualClass().getField(ref.getSimpleName()));
+        } catch (NoSuchFieldException | RuntimeException | LinkageError ignored) {
             // Spoon throws SpoonClassNotFoundException; reflection can throw LinkageError. Fall through.
             return null;
         }