Extracted PackagePartClassUtils.

2014-04-11 20:44:59 +04:00
parent d3ff9e974b
commit 381e8bb205
15 changed files with 114 additions and 66 deletions
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2010-2014 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.jet.lang.resolve.kotlin;
+
+import com.intellij.openapi.util.io.FileUtil;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.util.PathUtil;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.jet.descriptors.serialization.descriptors.DeserializedCallableMemberDescriptor;
+import org.jetbrains.jet.lang.descriptors.PackageFragmentDescriptor;
+import org.jetbrains.jet.lang.psi.JetFile;
+import org.jetbrains.jet.lang.resolve.java.JvmClassName;
+import org.jetbrains.jet.lang.resolve.name.FqName;
+import org.jetbrains.jet.lang.resolve.name.Name;
+import org.jetbrains.org.objectweb.asm.Type;
+
+import static org.jetbrains.jet.lang.resolve.java.PackageClassUtils.getPackageClassFqName;
+
+public class PackagePartClassUtils {
+    public static int getPathHashCode(@NotNull VirtualFile file) {
+        // Conversion to system-dependent name seems to be unnecessary, but it's hard to check now:
+        // it was introduced when fixing KT-2839, which appeared again (KT-3639).
+        // If you try to remove it, run tests on Windows.
+        return FileUtil.toSystemDependentName(file.getPath()).hashCode();
+    }
+
+    @NotNull
+    private static String replaceSpecialSymbols(@NotNull String str) {
+        return str.replace('.', '_');
+    }
+
+    @NotNull
+    public static FqName getPackagePartFqName(@NotNull FqName facadeFqName, @NotNull VirtualFile file) {
+        String fileName = FileUtil.getNameWithoutExtension(PathUtil.getFileName(file.getName()));
+
+        // path hashCode to prevent same name / different path collision
+        String srcName = facadeFqName.shortName().asString() + "-" + replaceSpecialSymbols(fileName) + "-" + Integer.toHexString(
+                getPathHashCode(file));
+
+        return facadeFqName.parent().child(Name.identifier(srcName));
+    }
+
+    @NotNull
+    public static FqName getPackagePartFqName(@NotNull JetFile file) {
+        return getPackagePartFqName(getPackageClassFqName(file.getPackageFqName()), file.getVirtualFile());
+    }
+
+    @NotNull
+    public static Type getPackagePartType(@NotNull JetFile file) {
+        return Type.getObjectType(getPackagePartInternalName(file));
+    }
+
+    @NotNull
+    public static String getPackagePartInternalName(@NotNull JetFile file) {
+        return JvmClassName.byFqNameWithoutInnerClasses(getPackagePartFqName(file)).getInternalName();
+    }
+
+    @NotNull
+    public static FqName getPackagePartFqName(@NotNull DeserializedCallableMemberDescriptor callable) {
+        FqName packageFqName = ((PackageFragmentDescriptor) callable.getContainingDeclaration()).getFqName();
+        return packageFqName.child(BaseDescriptorDeserializer.getPackagePartClassName(callable));
+    }
+}