Android Lint: Use Uast to check for SuppressLint annotation

#KT-14800 Fixed Target versions 1.1.5

idea/testData/android/lint/javaPerformance.kt

@@ -73,7 +73,7 @@ class JavaPerformanceTest(context: Context, attrs: AttributeSet, defStyle: Int)
 
         // This one should not be reported:
         @SuppressLint("UseSparseArrays")
-        val myOtherMap = <warning descr="Use `new SparseArray<Object>(...)` instead for better performance">HashMap<Int, Any>()</warning>
+        val myOtherMap = HashMap<Int, Any>()
     }
 
     protected fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int,

idea/testData/android/lint/toast.kt

@@ -61,7 +61,7 @@ class ToastTest(context: Context) : Activity() {
 
     private fun checkSuppress2(context: Context) {
         @android.annotation.SuppressLint("ShowToast")
-        val toast = Toast.<warning descr="Toast created but not shown: did you forget to call `show()` ?">makeText</warning>(this, "MyToast", Toast.LENGTH_LONG)
+        val toast = Toast.makeText(this, "MyToast", Toast.LENGTH_LONG)
     }
 
     class R {

plugins/lint/lint-api/src/com/android/tools/klint/client/api/LintDriver.java

@@ -81,7 +81,7 @@ import com.intellij.psi.PsiModifierList;
 import com.intellij.psi.PsiModifierListOwner;
 import com.intellij.psi.PsiNameValuePair;
 
-import org.jetbrains.uast.UElement;
+import org.jetbrains.uast.*;
 import org.jetbrains.org.objectweb.asm.ClassReader;
 import org.jetbrains.org.objectweb.asm.Opcodes;
 import org.jetbrains.org.objectweb.asm.tree.AbstractInsnNode;
@@ -2609,9 +2609,8 @@ public class LintDriver {
         boolean checkComments = mClient.checkForSuppressComments() &&
                 context != null && context.containsCommentSuppress();
         while (scope != null) {
-            if (scope instanceof PsiModifierListOwner) {
-                PsiModifierListOwner owner = (PsiModifierListOwner) scope;
-                if (isSuppressed(issue, owner.getModifierList())) {
+            if (scope instanceof UAnnotated) {
+                if (isSuppressed(issue, (UAnnotated) scope)) {
                     return true;
                 }
             }
@@ -2621,7 +2620,7 @@ public class LintDriver {
             }
 
             scope = scope.getUastParent();
-            if (scope instanceof PsiFile) {
+            if (scope instanceof UFile) {
                 return false;
             }
         }
@@ -2822,6 +2821,38 @@ public class LintDriver {
         return false;
     }
 
+    /**
+     * Returns true if the given AST modifier has a suppress annotation for the
+     * given issue (which can be null to check for the "all" annotation)
+     *
+     * @param issue the issue to be checked
+     * @param element the element to check
+     * @return true if the issue or all issues should be suppressed for this
+     *         element
+     */
+    public static boolean isSuppressed(@NonNull Issue issue,
+            @Nullable UAnnotated element) {
+        if (element == null) {
+            return false;
+        }
+
+        for (UAnnotation annotation : element.getAnnotations()) {
+            String fqcn = annotation.getQualifiedName();
+            if (fqcn != null && (fqcn.equals(FQCN_SUPPRESS_LINT)
+                                 || fqcn.equals(SUPPRESS_WARNINGS_FQCN)
+                                 || fqcn.equals(SUPPRESS_LINT))) { // when missing imports
+                for (UNamedExpression attribute : annotation.getAttributeValues()) {
+                    Object value = attribute.getExpression().evaluate();
+                    if (value instanceof String && isSuppressed(issue, (String) value)) {
+                        return true;
+                    }
+                }
+            }
+        }
+
+        return false;
+    }
+
     private File mCachedFolder = null;
     private int mCachedFolderVersion = -1;
     /** Pattern for version qualifiers */