Rewritten KDoc-link resolve and completion to work more reasonably

idea/idea-completion/testData/basic/java/importAliases/KDocExtension.kt

@@ -0,0 +1,8 @@
+import kotlin.text.capitalize as xxx
+
+/**
+ * [String.x<caret>]
+ */
+fun foo(){}
+
+// EXIST: { lookupString: "xxx", itemText: "xxx" }

idea/idea-completion/testData/kdoc/AfterPackageName.kt

@@ -0,0 +1,7 @@
+/**
+ * [kotlin.<caret>]
+ */
+fun foo(){}
+
+// EXIST: io
+// EXIST: Int

idea/idea-completion/testData/kdoc/ExtensionsFQLink.kt

@@ -1,6 +1,10 @@
 package a
 
-class B {
+interface I
+
+class A : I
+
+class B : I {
     /**
      * [a.B.<caret>]
      */
@@ -10,11 +14,20 @@ class B {
 }
 
 fun B.ext() {
-
 }
 
 val B.extVal: String
     get() = ""
 
+fun A.wrongExt(){}
+
+val A.wrongExtVal: String
+    get() = ""
+
+fun I.extForSuper(){}
+
 // EXIST: ext
-// EXIST: extVal
+// EXIST: extVal
+// ABSENT: wrongExt
+// ABSENT: wrongExtVal
+// EXIST: extForSuper

idea/idea-completion/testData/kdoc/Link.kt

@@ -1,19 +1,19 @@
 package z
 
 /**
- * [<caret>]
+ * [a<caret>]
  */
-fun f(xyzzy: String) {
+fun az(ap: String) {
 
 }
 
-fun bar() {
+fun aaa() {
 
 }
 
-class Z
+class aZ
 
-// EXIST: z
-// EXIST: Z
-// EXIST: xyzzy
-// EXIST: bar
+// EXIST: az
+// EXIST: aZ
+// EXIST: ap
+// EXIST: aaa

idea/idea-completion/testData/kdoc/MemberLink.kt

@@ -1,8 +1,8 @@
 class Foo {
     /**
-     * [<caret>]
+     * [b<caret>]
      */
-    fun xyzzy() {
+    fun baz() {
 
     }
 
@@ -11,8 +11,9 @@ class Foo {
     }
 }
 
-fun Foo.quux() {
+fun Foo.boo() {
 }
 
 // EXIST: bar
-// EXIST: quux
+// EXIST: baz
+// EXIST: boo

idea/idea-completion/testData/kdoc/NoCompletionAfterFunName.kt

@@ -0,0 +1,10 @@
+class Foo
+fun Foo.ext() = ""
+
+
+/**
+ * [Foo.ext.<caret>]
+ */
+fun test() {}
+
+// NOTHING_ELSE

idea/idea-completion/testData/kdoc/NoTopLevelForQualified.kt

@@ -0,0 +1,9 @@
+class Foo
+
+/**
+ * [Foo.<caret>]
+ */
+fun test() {}
+
+
+// ABSENT: test