FIR: support annotation resolve & rendering

compiler/testData/fir/resolve/multifile/Annotations.1.kt

@@ -0,0 +1,10 @@
+package annotations
+
+@Target(AnnotationTarget.FILE, AnnotationTarget.FUNCTION, AnnotationTarget.TYPE, AnnotationTarget.PROPERTY_GETTER)
+annotation class Simple
+
+annotation class WithInt(val value: Int)
+
+annotation class WithString(val s: String)
+
+annotation class Complex(val wi: WithInt, val ws: WithString)

compiler/testData/fir/resolve/multifile/Annotations.kt

@@ -0,0 +1,28 @@
+@file:Simple
+package test
+
+import annotations.*
+
+@WithInt(42)
+abstract class First {
+    @Simple
+    abstract fun foo(@WithString("abc") arg: @Simple Double)
+
+    @Complex(WithInt(7), WithString(""))
+    abstract val v: String
+}
+
+@WithString("xyz")
+class Second(val y: Char) : @WithInt(0) First() {
+    override fun foo(arg: Double) {
+    }
+
+    override val v: String
+        @Simple get() = ""
+
+    @WithString("constructor")
+    constructor(): this('\n')
+}
+
+@WithInt(24)
+typealias Third = @Simple Second

compiler/testData/fir/resolve/multifile/Annotations.txt

@@ -0,0 +1,24 @@
+FILE: Annotations.kt
+    @FILE:R|annotations/Simple|()
+    @R|annotations/WithInt|(STUB) public? abstract class First() {
+        @R|annotations/Simple|() public? abstract function foo(@WithString(STUB) arg: @R|annotations/Simple|() R|kotlin/Double|): R|error: Not supported: FirImplicitTypeImpl|
+
+        @R|annotations/Complex|(STUB, STUB) public? abstract property v(val): R|kotlin/String|
+            public? get(): R|kotlin/String|
+
+    }
+    @R|annotations/WithString|(STUB) public? final class Second() : @R|annotations/WithInt|(STUB) R|test/First| {
+        public? constructor(y: R|kotlin/Char|): super()
+
+        public? open? override function foo(arg: R|kotlin/Double|): R|error: Not supported: FirImplicitTypeImpl| {
+        }
+
+        public? open? override property v(val): R|kotlin/String|
+            @R|annotations/Simple|() public? get(): R|error: Not supported: FirImplicitTypeImpl| {
+                STUB
+            }
+
+        @R|annotations/WithString|(STUB) public? constructor(): this(STUB)
+
+    }
+    @R|annotations/WithInt|(STUB) @R|annotations/WithInt|(STUB) public? final typealias Third = @R|annotations/Simple|() R|test/Second|