Created LexicalChainedScope and LexicalScopeImpl

compiler/frontend/src/org/jetbrains/kotlin/resolve/scopes/LexicalChainedScope.kt

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+/*
+ * Copyright 2010-2015 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.kotlin.resolve.scopes
+
+import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
+import org.jetbrains.kotlin.descriptors.ReceiverParameterDescriptor
+import org.jetbrains.kotlin.incremental.components.LookupLocation
+import org.jetbrains.kotlin.name.Name
+import org.jetbrains.kotlin.util.collectionUtils.getFirstMatch
+import org.jetbrains.kotlin.util.collectionUtils.getFromAllScopes
+import org.jetbrains.kotlin.utils.Printer
+
+public class LexicalChainedScope(
+        override val parent: LexicalScope,
+        override val ownerDescriptor: DeclarationDescriptor,
+        override val isOwnerDescriptorAccessibleByLabel: Boolean,
+        override val implicitReceiver: ReceiverParameterDescriptor?,
+        private val debugName: String,
+        vararg memberScopes: JetScope // todo JetScope -> MemberScope
+): LexicalScope {
+    private val scopeChain = memberScopes.clone()
+
+    override fun getDeclaredDescriptors() = getFromAllScopes(scopeChain) { it.getAllDescriptors() }
+
+    override fun getDeclaredClassifier(name: Name, location: LookupLocation) = getFirstMatch(scopeChain) { it.getClassifier(name, location) }
+
+    override fun getDeclaredVariables(name: Name, location: LookupLocation) = getFromAllScopes(scopeChain) { it.getProperties(name, location) }
+
+    override fun getDeclaredFunctions(name: Name, location: LookupLocation) = getFromAllScopes(scopeChain) { it.getFunctions(name, location) }
+
+    override fun toString(): String = debugName
+
+    override fun printStructure(p: Printer) {
+        p.println(javaClass.simpleName, ": ", debugName, "; for descriptor: ", ownerDescriptor.name,
+                  " with implicitReceiver: ", implicitReceiver?.value, " {")
+        p.pushIndent()
+
+        for (scope in scopeChain) {
+            scope.printScopeStructure(p)
+        }
+
+        p.print("parent = ")
+        parent.printStructure(p.withholdIndentOnce())
+
+        p.popIndent()
+        p.println("}")
+    }
+
+}

compiler/frontend/src/org/jetbrains/kotlin/resolve/scopes/LexicalScopeImpl.kt

@@ -0,0 +1,79 @@
+/*
+ * Copyright 2010-2015 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.kotlin.resolve.scopes
+
+import com.intellij.util.SmartList
+import org.jetbrains.kotlin.descriptors.*
+import org.jetbrains.kotlin.incremental.components.LookupLocation
+import org.jetbrains.kotlin.name.Name
+import org.jetbrains.kotlin.utils.Printer
+
+public open class LexicalScopeImpl(
+        override val parent: LexicalScope,
+        override val ownerDescriptor: DeclarationDescriptor,
+        override val isOwnerDescriptorAccessibleByLabel: Boolean,
+        override val implicitReceiver: ReceiverParameterDescriptor?,
+        private val debugName: String,
+        initialize: LexicalScopeImpl.InitializeHandler.() -> Unit = {}
+): LexicalScope, WritableScopeStorage {
+    override val addedDescriptors: MutableList<DeclarationDescriptor> = SmartList()
+    override val redeclarationHandler: RedeclarationHandler
+        get() = RedeclarationHandler.DO_NOTHING
+
+    override var functionsByName: MutableMap<Name, WritableScopeStorage.IntList>? = null
+    override var variablesAndClassifiersByName: MutableMap<Name, WritableScopeStorage.IntList>? = null
+
+    init {
+        InitializeHandler().initialize()
+    }
+
+    override fun getDeclaredDescriptors(): Collection<DeclarationDescriptor> = addedDescriptors
+
+    override fun getDeclaredClassifier(name: Name, location: LookupLocation)
+            = variableOrClassDescriptorByName(name) as? ClassifierDescriptor
+
+    override fun getDeclaredVariables(name: Name, location: LookupLocation): Collection<VariableDescriptor>
+            = listOfNotNull(variableOrClassDescriptorByName(name) as? VariableDescriptor)
+
+    override fun getDeclaredFunctions(name: Name, location: LookupLocation): Collection<FunctionDescriptor>
+            = functionsByName(name) ?: emptyList()
+
+    override fun toString(): String = debugName
+
+    override fun printStructure(p: Printer) {
+        p.println(javaClass.simpleName, ": ", debugName, "; for descriptor: ", ownerDescriptor.name,
+                  " with implicitReceiver: ", implicitReceiver?.value, " {")
+        p.pushIndent()
+
+        p.print("parent = ")
+        parent.printStructure(p.withholdIndentOnce())
+
+        p.popIndent()
+        p.println("}")
+    }
+
+    inner class InitializeHandler {
+        public fun addVariableDescriptor(variableDescriptor: VariableDescriptor): Unit
+                = this@LexicalScopeImpl.addVariableOrClassDescriptor(variableDescriptor)
+
+        public fun addFunctionDescriptor(functionDescriptor: FunctionDescriptor): Unit
+                = this@LexicalScopeImpl.addFunctionDescriptor(functionDescriptor)
+
+        public fun addClassifierDescriptor(classifierDescriptor: ClassifierDescriptor): Unit
+                = this@LexicalScopeImpl.addVariableOrClassDescriptor(classifierDescriptor)
+    }
+}