[FIR] Add CAST_NEVER_SUCCEEDS

2021-09-16 20:58:52 +03:00
parent 4ca757446a
commit 2b5524b18f
42 changed files with 206 additions and 273 deletions
@@ -1,14 +0,0 @@
-// Nothing can be cast to Nothing
-fun foo(x: String) {
-    x as Nothing
-}
-
-fun gav(y: String?) {
-    y as Nothing
-}
-
-// Only nullable can be cast to Nothing?
-fun bar(x: String, y: String?) {
-    x as Nothing?
-    y as Nothing?
-}
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // Nothing can be cast to Nothing
 fun foo(x: String) {
    x <!CAST_NEVER_SUCCEEDS!>as<!> Nothing
@@ -1,18 +0,0 @@
-typealias MyString = String
-
-val x: MyString = ""
-val y = x as Any
-
-interface Base
-class Derived : Base
-interface Other : Base
-typealias IBase = Base
-typealias IOther = Other
-
-val ib: IBase = Derived()
-val d = ib as Derived
-val o = ib as Other
-val io = ib as IOther
-val s = d as String
-val ms = d as MyString
-
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 typealias MyString = String

 val x: MyString = ""
@@ -1,51 +1,51 @@
 fun asCall() {
    1 <!USELESS_CAST!>as Int<!>
-    1 as Byte
-    1 as Short
-    1 as Long
-    1 as Char
-    1 as Double
-    1 as Float
+    1 <!CAST_NEVER_SUCCEEDS!>as<!> Byte
+    1 <!CAST_NEVER_SUCCEEDS!>as<!> Short
+    1 <!CAST_NEVER_SUCCEEDS!>as<!> Long
+    1 <!CAST_NEVER_SUCCEEDS!>as<!> Char
+    1 <!CAST_NEVER_SUCCEEDS!>as<!> Double
+    1 <!CAST_NEVER_SUCCEEDS!>as<!> Float

-    1.0 as Int
-    1.0 as Byte
-    1.0 as Short
-    1.0 as Long
-    1.0 as Char
+    1.0 <!CAST_NEVER_SUCCEEDS!>as<!> Int
+    1.0 <!CAST_NEVER_SUCCEEDS!>as<!> Byte
+    1.0 <!CAST_NEVER_SUCCEEDS!>as<!> Short
+    1.0 <!CAST_NEVER_SUCCEEDS!>as<!> Long
+    1.0 <!CAST_NEVER_SUCCEEDS!>as<!> Char
    1.0 <!USELESS_CAST!>as Double<!>
-    1.0 as Float
+    1.0 <!CAST_NEVER_SUCCEEDS!>as<!> Float

-    1f as Int
-    1f as Byte
-    1f as Short
-    1f as Long
-    1f as Char
-    1f as Double
+    1f <!CAST_NEVER_SUCCEEDS!>as<!> Int
+    1f <!CAST_NEVER_SUCCEEDS!>as<!> Byte
+    1f <!CAST_NEVER_SUCCEEDS!>as<!> Short
+    1f <!CAST_NEVER_SUCCEEDS!>as<!> Long
+    1f <!CAST_NEVER_SUCCEEDS!>as<!> Char
+    1f <!CAST_NEVER_SUCCEEDS!>as<!> Double
    1f <!USELESS_CAST!>as Float<!>
 }

 fun asSafe() {
    1 as? Int
-    1 as? Byte
-    1 as? Short
-    1 as? Long
-    1 as? Char
-    1 as? Double
-    1 as? Float
+    1 <!CAST_NEVER_SUCCEEDS!>as?<!> Byte
+    1 <!CAST_NEVER_SUCCEEDS!>as?<!> Short
+    1 <!CAST_NEVER_SUCCEEDS!>as?<!> Long
+    1 <!CAST_NEVER_SUCCEEDS!>as?<!> Char
+    1 <!CAST_NEVER_SUCCEEDS!>as?<!> Double
+    1 <!CAST_NEVER_SUCCEEDS!>as?<!> Float

-    1.0 as? Int
-    1.0 as? Byte
-    1.0 as? Short
-    1.0 as? Long
-    1.0 as? Char
+    1.0 <!CAST_NEVER_SUCCEEDS!>as?<!> Int
+    1.0 <!CAST_NEVER_SUCCEEDS!>as?<!> Byte
+    1.0 <!CAST_NEVER_SUCCEEDS!>as?<!> Short
+    1.0 <!CAST_NEVER_SUCCEEDS!>as?<!> Long
+    1.0 <!CAST_NEVER_SUCCEEDS!>as?<!> Char
    1.0 as? Double
-    1.0 as? Float
+    1.0 <!CAST_NEVER_SUCCEEDS!>as?<!> Float

-    1f as? Int
-    1f as? Byte
-    1f as? Short
-    1f as? Long
-    1f as? Char
-    1f as? Double
+    1f <!CAST_NEVER_SUCCEEDS!>as?<!> Int
+    1f <!CAST_NEVER_SUCCEEDS!>as?<!> Byte
+    1f <!CAST_NEVER_SUCCEEDS!>as?<!> Short
+    1f <!CAST_NEVER_SUCCEEDS!>as?<!> Long
+    1f <!CAST_NEVER_SUCCEEDS!>as?<!> Char
+    1f <!CAST_NEVER_SUCCEEDS!>as?<!> Double
    1f as? Float
 }
@@ -1,33 +0,0 @@
-// !DIAGNOSTICS: -PLATFORM_CLASS_MAPPED_TO_KOTLIN -USELESS_CAST
-import java.lang.String as JString
-import java.lang.CharSequence as JCS
-
-fun test(
-  s: String,
-  js: JString,
-  cs: CharSequence,
-  jcs: JCS
-) {
-  s as JString
-  s as JCS
-  s as CharSequence
-  s as String
-
-  js as JString
-  js as JCS
-  js as CharSequence
-  js as String
-
-  cs as JString
-  cs as JCS
-  cs as CharSequence
-  cs as String
-
-  jcs as JString
-  jcs as JCS
-  jcs as CharSequence
-  jcs as String
-
-  jcs as Int
-  s as java.lang.Integer
-}
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -PLATFORM_CLASS_MAPPED_TO_KOTLIN -USELESS_CAST
 import java.lang.String as JString
 import java.lang.CharSequence as JCS
@@ -1,21 +0,0 @@
-// !DIAGNOSTICS: -PLATFORM_CLASS_MAPPED_TO_KOTLIN -UNUSED_PARAMETER -ABSTRACT_MEMBER_NOT_IMPLEMENTED -USELESS_CAST
-import java.lang.CharSequence as JCS
-
-class JSub: JCS
-class Sub: CharSequence
-
-fun test(
-  s: Sub,
-  js: JSub,
-  cs: CharSequence,
-  jcs: JCS
-) {
-  // js as CharSequence // - this case is not supported due to limitation in PlatformToKotlinClassMap
-  js as JCS
-
-  s as CharSequence
-  s as JCS
-
-  js as Sub
-  s as JSub
-}
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -PLATFORM_CLASS_MAPPED_TO_KOTLIN -UNUSED_PARAMETER -ABSTRACT_MEMBER_NOT_IMPLEMENTED -USELESS_CAST
 import java.lang.CharSequence as JCS

@@ -1,34 +0,0 @@
-// !DIAGNOSTICS: -UNCHECKED_CAST
-interface Trait1
-interface Trait2
-open class OClass1
-open class OClass2
-class FClass1
-class FClass2
-
-fun <TP1: OClass1, TP2: OClass2> test(
-  t1: Trait1,
-  oc1: OClass1,
-  fc1: FClass1,
-  tp1: TP1
-) {
-  t1 as Trait2
-  t1 as OClass2
-  t1 as FClass2
-  t1 as TP2
-
-  oc1 as Trait2
-  oc1 as OClass2
-  oc1 as FClass2
-  oc1 as TP2
-
-  fc1 as Trait2
-  fc1 as OClass2
-  fc1 as FClass2
-  fc1 as TP2
-
-  tp1 as Trait2
-  tp1 as OClass2
-  tp1 as FClass2
-  tp1 as TP2
-}
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNCHECKED_CAST
 interface Trait1
 interface Trait2