Modify analysis for property initializer. Add errors about delegated property accessors.

compiler/testData/diagnostics/tests/delegatedProperty/absentErrorAboutInitializer.kt

@@ -0,0 +1,8 @@
+val a: Int by Delegate()
+
+class Delegate {
+  fun get(t: Any?, p: String): Int {
+    t.equals(p) // to avoid UNUSED_PARAMETER warning
+    return 1
+  }
+}

compiler/testData/diagnostics/tests/delegatedProperty/absentErrorAboutType.kt

@@ -0,0 +1,8 @@
+val a by Delegate()
+
+class Delegate {
+  fun get(t: Any?, p: String): Int {
+    t.equals(p) // to avoid UNUSED_PARAMETER warning
+    return 1
+  }
+}

compiler/testData/diagnostics/tests/delegatedProperty/abstractDelegatedProperty.kt

@@ -0,0 +1,10 @@
+abstract class A {
+    abstract val a: Int <!ABSTRACT_DELEGATED_PROPERTY!>by Delegate()<!>
+}
+
+class Delegate {
+  fun get(t: Any?, p: String): Int {
+    t.equals(p) // to avoid UNUSED_PARAMETER warning
+    return 1
+  }
+}

compiler/testData/diagnostics/tests/delegatedProperty/backingField.kt

@@ -0,0 +1,13 @@
+class B {
+    val a: Int by Delegate()
+
+    fun foo() = <!NO_BACKING_FIELD_CUSTOM_ACCESSORS!>$a<!>
+}
+
+class Delegate {
+  fun get(t: Any?, p: String): Int {
+    t.equals(p) // to avoid UNUSED_PARAMETER warning
+    return 1
+  }
+}
+

compiler/testData/diagnostics/tests/delegatedProperty/inTrait.kt

@@ -0,0 +1,10 @@
+trait T {
+  val a: Int <!DELEGATED_PROPERTY_IN_TRAIT!>by Delegate()<!>
+}
+
+class Delegate {
+  fun get(t: Any?, p: String): Int {
+    t.equals(p) // to avoid UNUSED_PARAMETER warning
+    return 1
+  }
+}

compiler/testData/diagnostics/tests/delegatedProperty/localVariable.kt

@@ -0,0 +1,12 @@
+class Local {
+  fun foo() {
+    val <!UNUSED_VARIABLE!>a<!>: Int <!LOCAL_VARIABLE_WITH_DELEGATE!>by Delegate()<!>
+  }
+}
+
+class Delegate {
+  fun get(t: Any?, p: String): Int {
+    t.equals(p) // to avoid UNUSED_PARAMETER warning
+    return 1
+  }
+}

compiler/testData/diagnostics/tests/delegatedProperty/publicDelegatedProperty.kt

@@ -0,0 +1,8 @@
+<!PUBLIC_MEMBER_SHOULD_SPECIFY_TYPE!>public val a<!> by Delegate()
+
+class Delegate {
+  fun get(t: Any?, p: String): Int {
+    t.equals(p) // to avoid UNUSED_PARAMETER warning
+    return 1
+  }
+}

compiler/testData/diagnostics/tests/delegatedProperty/redundantGetter.kt

@@ -0,0 +1,9 @@
+val a: Int by Delegate()
+  <!ACCESSOR_FOR_DELEGATED_PROPERTY!>get() = 1<!>
+
+class Delegate {
+  fun get(t: Any?, p: String): Int {
+    t.equals(p) // to avoid UNUSED_PARAMETER warning
+    return 1
+  }
+}

compiler/testData/diagnostics/tests/delegatedProperty/redundantSetter.kt

@@ -0,0 +1,14 @@
+var a: Int by Delegate()
+  <!ACCESSOR_FOR_DELEGATED_PROPERTY!>get() = 1<!>
+  <!ACCESSOR_FOR_DELEGATED_PROPERTY!>set(i) {}<!>
+
+class Delegate {
+  fun get(t: Any?, p: String): Int {
+    t.equals(p) // to avoid UNUSED_PARAMETER warning
+    return 1
+  }
+
+  fun set(t: Any?, p: String, i: Int) {
+    t.equals(p) || i.equals(null)  // to avoid UNUSED_PARAMETER warning
+  }
+}