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FIR: only allow member val initialization through this@T

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class C {
    val x: Int
    init {
      // valid ways to initialize:
      x = 1
      this@C.x = 1
      // invalid:
      someOtherC.x = 1
      run { /*this@run.*/x = 1 }
      val self = this
      self.x = 1
    }
  }
This commit is contained in:
pyos
2023-01-19 10:57:34 +01:00
committed by teamcity
parent 123b211fc4
commit c42dd0848e
9 changed files with 57 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files
compiler/fir/analysis-tests/testData/resolve/cfa/reassignOfNonMemberProperty_lateInitialization.fir.txt
Vendored
+10 -1
View File
@@ -22,7 +22,6 @@ FILE: reassignOfNonMemberProperty_lateInitialization.kt
public final val a: R|kotlin/String| = this@R|/Some|.R|kotlin/run|<R|Some|, R|kotlin/String|>(<L> = run@fun R|Some|.<anonymous>(): R|kotlin/String| <inline=Inline, kind=EXACTLY_ONCE> {
this@R|special/anonymous|.R|/Some.x| = String(error)
this@R|special/anonymous|.R|/Some.y| = String(ok)
this@R|special/anonymous|.R|/Some.y| = String(error)
this@R|special/anonymous|.R|/z| = String(error)
^ String(hello)
@@ -30,6 +29,16 @@ FILE: reassignOfNonMemberProperty_lateInitialization.kt
)
public get(): R|kotlin/String|
public final val b: R|kotlin/String| = Int(123).R|kotlin/run|<R|kotlin/Int|, R|kotlin/String|>(<L> = run@fun R|kotlin/Int|.<anonymous>(): R|kotlin/String| <inline=Inline, kind=EXACTLY_ONCE> {
this@R|/Some|.R|/Some.x| = String(error)
this@R|/Some|.R|/Some.y| = String(ok)
this@R|/Some|.R|/Some.y| = String(error)
this@R|/Some|.R|/z| = String(error)
^ String(there)
}
)
public get(): R|kotlin/String|
init {
this@R|/Some|.R|/Some.x| = String(error)
this@R|/Some|.R|/Some.y| = String(error)
compiler/fir/analysis-tests/testData/resolve/cfa/reassignOfNonMemberProperty_lateInitialization.kt
Vendored
+10 -1
View File
@@ -15,11 +15,20 @@ class Some {
}
val a: String = run {
// these are all on this@run, which is not guaranteed to be this@Some
<!VAL_REASSIGNMENT!>x<!> = "error"
<!VAL_REASSIGNMENT!>y<!> = "error"
<!VAL_REASSIGNMENT!>z<!> = "error"
"hello"
}
val b: String = 123.run {
// now this@run is an Int, so these are on this@Some
x = "error"
y = "ok"
y = "error"
<!VAL_REASSIGNMENT!>z<!> = "error"
"hello"
"there"
}
init {