1 files changed, 68 insertions, 0 deletions
diff --git a/compiler-plugin/src/main/kotlin/com/google/devtools/ksp/symbol/impl/kotlin/KSFileImpl.kt b/compiler-plugin/src/main/kotlin/com/google/devtools/ksp/symbol/impl/kotlin/KSFileImpl.kt
new file mode 100644
index 00000000..3e333a2e
--- /dev/null
+++ b/compiler-plugin/src/main/kotlin/com/google/devtools/ksp/symbol/impl/kotlin/KSFileImpl.kt
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2020 Google LLC
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ *
+ * 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 com.google.devtools.ksp.symbol.impl.kotlin
+
+import com.google.devtools.ksp.KSObjectCache
+import com.google.devtools.ksp.memoized
+import com.google.devtools.ksp.processing.impl.KSNameImpl
+import com.google.devtools.ksp.symbol.*
+import com.google.devtools.ksp.symbol.impl.getKSDeclarations
+import com.google.devtools.ksp.symbol.impl.toLocation
+import org.jetbrains.kotlin.psi.KtFile
+
+class KSFileImpl private constructor(val file: KtFile) : KSFile {
+    companion object : KSObjectCache<KtFile, KSFileImpl>() {
+        fun getCached(file: KtFile) = cache.getOrPut(file) { KSFileImpl(file) }
+    }
+
+    override val origin = Origin.KOTLIN
+
+    override val location: Location by lazy {
+        file.toLocation()
+    }
+
+    override val parent: KSNode? = null
+
+    override val packageName: KSName by lazy {
+        KSNameImpl.getCached(file.packageFqName.asString())
+    }
+
+    override val annotations: Sequence<KSAnnotation> by lazy {
+        file.annotationEntries.asSequence().map { KSAnnotationImpl.getCached(it) }.memoized()
+    }
+
+    override val declarations: Sequence<KSDeclaration> by lazy {
+        file.declarations.asSequence().getKSDeclarations().memoized()
+    }
+
+    override val fileName: String by lazy {
+        file.name
+    }
+
+    override val filePath: String by lazy {
+        file.virtualFilePath
+    }
+
+    override fun <D, R> accept(visitor: KSVisitor<D, R>, data: D): R {
+        return visitor.visitFile(this, data)
+    }
+
+    override fun toString(): String {
+        return "File: ${this.fileName}"
+    }
+}