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Posted to commits@groovy.apache.org by em...@apache.org on 2020/06/12 16:21:55 UTC

[groovy] branch GROOVY-7549 updated (4a6d667 -> d90a8c6)

This is an automated email from the ASF dual-hosted git repository.

emilles pushed a change to branch GROOVY-7549
in repository https://gitbox.apache.org/repos/asf/groovy.git.


 discard 4a6d667  GROOVY-7549: STC: if "=" RHS type is inaccessible, revert to origin type
     new d90a8c6  GROOVY-7549: STC: if "=" RHS type is inaccessible, revert to origin type

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Summary of changes:
 src/test/groovy/transform/stc/TypeInferenceSTCTest.groovy | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)


[groovy] 01/01: GROOVY-7549: STC: if "=" RHS type is inaccessible, revert to origin type

Posted by em...@apache.org.
This is an automated email from the ASF dual-hosted git repository.

emilles pushed a commit to branch GROOVY-7549
in repository https://gitbox.apache.org/repos/asf/groovy.git

commit d90a8c6d50c22582d27caeb4290bdadf102b0b3d
Author: Eric Milles <er...@thomsonreuters.com>
AuthorDate: Wed Jun 10 12:22:45 2020 -0500

    GROOVY-7549: STC: if "=" RHS type is inaccessible, revert to origin type
---
 .../transform/stc/StaticTypeCheckingVisitor.java   |  9 ++++
 .../transform/stc/TypeInferenceSTCTest.groovy      | 59 ++++++++++++++++++++++
 2 files changed, 68 insertions(+)

diff --git a/src/main/java/org/codehaus/groovy/transform/stc/StaticTypeCheckingVisitor.java b/src/main/java/org/codehaus/groovy/transform/stc/StaticTypeCheckingVisitor.java
index a0b10eb..e2e85f9 100644
--- a/src/main/java/org/codehaus/groovy/transform/stc/StaticTypeCheckingVisitor.java
+++ b/src/main/java/org/codehaus/groovy/transform/stc/StaticTypeCheckingVisitor.java
@@ -843,6 +843,15 @@ public class StaticTypeCheckingVisitor extends ClassCodeVisitorSupport {
                 } else if (lType.isUsingGenerics() && !lType.isEnum() && hasRHSIncompleteGenericTypeInfo(resultType)) {
                     // for example, LHS is List<ConcreteClass> and RHS is List<T> where T is a placeholder
                     resultType = lType;
+                } else {
+                    // GROOVY-7549: RHS type may not be accessible to enclosing class
+                    int modifiers = resultType.getModifiers();
+                    ClassNode enclosingType = typeCheckingContext.getEnclosingClassNode();
+                    if (!Modifier.isPublic(modifiers) && !enclosingType.equals(resultType)
+                            && !getOutermost(enclosingType).equals(getOutermost(resultType))
+                            && (Modifier.isPrivate(modifiers) || !Objects.equals(enclosingType.getPackageName(), resultType.getPackageName()))) {
+                        resultType = originType; // TODO: Find accesible type in hierarchy of resultType?
+                    }
                 }
 
                 // make sure we keep primitive types
diff --git a/src/test/groovy/transform/stc/TypeInferenceSTCTest.groovy b/src/test/groovy/transform/stc/TypeInferenceSTCTest.groovy
index 93fadb4..dcee926 100644
--- a/src/test/groovy/transform/stc/TypeInferenceSTCTest.groovy
+++ b/src/test/groovy/transform/stc/TypeInferenceSTCTest.groovy
@@ -23,6 +23,7 @@ import org.codehaus.groovy.ast.ClassNode
 import org.codehaus.groovy.ast.MethodNode
 import org.codehaus.groovy.ast.tools.WideningCategories
 import org.codehaus.groovy.classgen.GeneratorContext
+import org.codehaus.groovy.control.CompilationUnit
 import org.codehaus.groovy.control.CompilePhase
 import org.codehaus.groovy.control.SourceUnit
 import org.codehaus.groovy.control.customizers.CompilationCustomizer
@@ -930,6 +931,64 @@ class TypeInferenceSTCTest extends StaticTypeCheckingTestCase {
         '''
     }
 
+    // GROOVY-7549
+    void testShouldKeepDeclTypeWhenAssignedInaccessibleT() {
+        config.targetDirectory = File.createTempDir()
+        def parentDir = File.createTempDir()
+        try {
+            new File(parentDir, 'a').mkdir()
+            new File(parentDir, 'b').mkdir()
+
+            def a = new File(parentDir, 'a/Main.groovy')
+            a.write '''
+                package a
+                class Main {
+                  static main(args) {
+                    Face f = b.Maker.make() // returns b.Impl
+                    assert f.meth() == 1234
+                  }
+                }
+            '''
+            def b = new File(parentDir, 'a/Face.groovy')
+            b.write '''
+                package a
+                interface Face {
+                  int meth()
+                }
+            '''
+            def c = new File(parentDir, 'b/Impl.groovy')
+            c.write '''
+                package b
+                @groovy.transform.PackageScope
+                class Impl implements a.Face {
+                  int meth() {
+                    1234
+                  }
+                }
+            '''
+            def d = new File(parentDir, 'b/Maker.groovy')
+            d.write '''
+                package b
+                class Maker {
+                  static Impl make() { // probably should return a.Face
+                    new Impl()
+                  }
+                }
+            '''
+
+            def loader = new GroovyClassLoader(this.class.classLoader)
+            def cu = new CompilationUnit(config, null, loader)
+            cu.addSources(a, b, c, d)
+            cu.compile()
+
+            loader.addClasspath(config.targetDirectory.absolutePath)
+            loader.loadClass('a.Main', true).main()
+        } finally {
+            config.targetDirectory.deleteDir()
+            parentDir.deleteDir()
+        }
+    }
+
     // GROOVY-9077
     void testInferredTypeForPropertyThatResolvesToMethod() {
         assertScript '''