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[FIR] Implement UNDERSCORE_IS_RESERVED, UNDERSCORE_USAGE_WITHOUT_BACKTICKS diagnostics (psi only)

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This commit is contained in:
Ivan Kochurkin
2021-04-22 14:01:02 +03:00
committed by TeamCityServer
parent cc4adb798f
commit ea2d9f7c0c
30 changed files with 291 additions and 121 deletions
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compiler/testData/diagnostics/tests/Underscore.fir.kt
Vendored
+24 -20
View File
@@ -1,46 +1,50 @@
// !DIAGNOSTICS: -DEPRECATION -TOPLEVEL_TYPEALIASES_ONLY
import kotlin.Deprecated as ___
import kotlin.Deprecated as <!UNDERSCORE_IS_RESERVED!>___<!>
@___("") data class Pair(val x: Int, val y: Int)
class _<________>
val ______ = _<Int>()
class <!UNDERSCORE_IS_RESERVED, UNDERSCORE_IS_RESERVED!>_<!><<!UNDERSCORE_IS_RESERVED!>________<!>>
val <!UNDERSCORE_IS_RESERVED!>______<!> = <!UNDERSCORE_USAGE_WITHOUT_BACKTICKS!>_<!><Int>()
fun __(___: Int, y: _<Int>?): Int {
val (_, z) = Pair(___ - 1, 42)
val (x, __________) = Pair(___ - 1, 42)
val ____ = x
fun <!UNDERSCORE_IS_RESERVED!>__<!>(<!UNDERSCORE_IS_RESERVED!>___<!>: Int, y: <!UNDERSCORE_USAGE_WITHOUT_BACKTICKS!>_<!><Int>?): Int {
val (_, z) = Pair(<!UNDERSCORE_USAGE_WITHOUT_BACKTICKS!>___<!> - 1, 42)
val (x, <!UNDERSCORE_IS_RESERVED!>__________<!>) = Pair(<!UNDERSCORE_USAGE_WITHOUT_BACKTICKS!>___<!> - 1, 42)
val <!UNDERSCORE_IS_RESERVED!>____<!> = x
// in backquotes: allowed
val `_` = __________
val `_` = <!UNDERSCORE_USAGE_WITHOUT_BACKTICKS!>__________<!>
val q = fun(_: Int, __: Int) {}
val q = fun(_: Int, <!UNDERSCORE_IS_RESERVED!>__<!>: Int) {}
q(1, 2)
val _ = 56
val <!UNDERSCORE_IS_RESERVED!>_<!> = 56
fun localFun(_: String) = 1
fun localFun(<!UNDERSCORE_IS_RESERVED!>_<!>: String) = 1
__@ return if (y != null) __(____, y) else __(`_`, ______)
<!UNDERSCORE_IS_RESERVED!>__<!>@ return if (y != null) <!UNDERSCORE_USAGE_WITHOUT_BACKTICKS!>__<!>(<!UNDERSCORE_USAGE_WITHOUT_BACKTICKS!>____<!>, y) else <!UNDERSCORE_USAGE_WITHOUT_BACKTICKS!>__<!>(`_`, <!UNDERSCORE_USAGE_WITHOUT_BACKTICKS!>______<!>)
}
class A1(val _: String)
class A2(_: String) {
class A1(val <!UNDERSCORE_IS_RESERVED, UNDERSCORE_IS_RESERVED!>_<!>: String)
class A2(<!UNDERSCORE_IS_RESERVED!>_<!>: String) {
class B {
typealias _ = CharSequence
typealias <!UNDERSCORE_IS_RESERVED!>_<!> = CharSequence
}
val _: Int = 1
val <!UNDERSCORE_IS_RESERVED!>_<!>: Int = 1
fun _() {}
fun <!UNDERSCORE_IS_RESERVED!>_<!>() {}
fun foo(_: Double) {}
fun foo(<!UNDERSCORE_IS_RESERVED!>_<!>: Double) {}
}
// one underscore parameters for named function are still prohibited
fun oneUnderscore(_: Int) {}
fun oneUnderscore(<!UNDERSCORE_IS_RESERVED!>_<!>: Int) {}
fun doIt(f: (Any?) -> Any?) = f(null)
val something = doIt { __ -> __ }
val something = doIt { <!UNDERSCORE_IS_RESERVED!>__<!> -> <!UNDERSCORE_USAGE_WITHOUT_BACKTICKS!>__<!> }
val something2 = doIt { _ -> 1 }
var p: Int?
get() = null
set(_) {}