KT-4914 Smart completion should work after 'as' and 'as?'

#KT-4914 Fixed

idea/testData/completion/handlers/smart/AfterAs.kt

@@ -0,0 +1,5 @@
+fun foo(p1: String, p2: Int){ }
+
+fun bar(o: Any){
+    foo(o as <caret>)
+}

idea/testData/completion/handlers/smart/AfterAs.kt.after

@@ -0,0 +1,5 @@
+fun foo(p1: String, p2: Int){ }
+
+fun bar(o: Any){
+    foo(o as String, <caret>)
+}

idea/testData/completion/handlers/smart/AfterAs2.kt

@@ -0,0 +1,5 @@
+fun foo(p: java.util.HashMap<String, java.io.File>){ }
+
+fun bar(o: Any){
+    foo(o as <caret>)
+}

idea/testData/completion/handlers/smart/AfterAs2.kt.after

@@ -0,0 +1,8 @@
+import java.io.File
+import java.util.HashMap
+
+fun foo(p: java.util.HashMap<String, java.io.File>){ }
+
+fun bar(o: Any){
+    foo(o as HashMap<String, File>)<caret>
+}

idea/testData/completion/handlers/smart/AfterAs3.kt

@@ -0,0 +1,6 @@
+fun foo(l: List<String>){}
+fun foo(l: List<String>, p: Int){}
+
+fun bar(o: Any) {
+    foo(o as <caret>)
+}

idea/testData/completion/handlers/smart/AfterAs3.kt.after

@@ -0,0 +1,6 @@
+fun foo(l: List<String>){}
+fun foo(l: List<String>, p: Int){}
+
+fun bar(o: Any) {
+    foo(o as List<String><caret>)
+}

idea/testData/completion/handlers/smart/AfterSafeAs.kt

@@ -0,0 +1,5 @@
+fun foo(p: java.io.File?){ }
+
+fun bar(o: Any){
+    foo(o as? <caret>)
+}

idea/testData/completion/handlers/smart/AfterSafeAs.kt.after

@@ -0,0 +1,7 @@
+import java.io.File
+
+fun foo(p: java.io.File?){ }
+
+fun bar(o: Any){
+    foo(o as? File)<caret>
+}

idea/testData/completion/handlers/smart/AutoCompleteAfterAs1.kt

@@ -0,0 +1,6 @@
+fun foo(i: Int){}
+fun foo(i: Int, c: Char){}
+
+fun bar(o: Any) {
+    foo(o as <caret>)
+}

idea/testData/completion/handlers/smart/AutoCompleteAfterAs1.kt.after

@@ -0,0 +1,6 @@
+fun foo(i: Int){}
+fun foo(i: Int, c: Char){}
+
+fun bar(o: Any) {
+    foo(o as Int<caret>)
+}

idea/testData/completion/handlers/smart/AutoCompleteAfterAs2.kt

@@ -0,0 +1,3 @@
+fun bar(o: Any): String {
+    return o as <caret>
+}

idea/testData/completion/handlers/smart/AutoCompleteAfterAs2.kt.after

@@ -0,0 +1,3 @@
+fun bar(o: Any): String {
+    return o as String<caret>
+}

idea/testData/completion/smart/AfterAs.kt

@@ -0,0 +1,11 @@
+fun foo(s: String?){}
+
+fun foo(i: Int){}
+
+fun bar(o: Any) {
+    foo(o as <caret>)
+}
+
+// NUMBER: 2
+// EXIST: String
+// EXIST: Int

idea/testData/completion/smart/AfterAs2.kt

@@ -0,0 +1,11 @@
+fun foo(s: List<String>){}
+
+fun foo(i: Map<String, Int>){}
+
+fun bar(o: Any) {
+    foo(o as <caret>)
+}
+
+// NUMBER: 2
+// EXIST: { lookupString:"List", itemText:"List<String>" }
+// EXIST: { lookupString:"Map", itemText:"Map<String, Int>" }

idea/testData/completion/smart/AfterAs3.kt

@@ -0,0 +1,12 @@
+fun foo(l: List<String>){}
+fun foo(l: List<String>, p: Int){}
+
+fun foo(s: String?){}
+
+fun bar(o: Any) {
+    foo(o as <caret>)
+}
+
+// NUMBER: 2
+// EXIST: { lookupString:"List", itemText:"List<String>" }
+// EXIST: { lookupString:"String", itemText:"String" }