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FIR DFA: smartcast variable to Nothing? on null assignment

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In order to make resolution still work for members not available from
`Nothing`, we track the type without `Nothing?` and use that for
resolution instead.
This commit is contained in:
Tianyu Geng
2021-07-22 10:01:10 -07:00
committed by teamcityserver
parent 7e2f15f532
commit 4726dcce40
54 changed files with 334 additions and 320 deletions
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compiler/tests-spec/testData/diagnostics/notLinked/dfa/neg/34.fir.kt
Vendored
+14 -14
View File
@@ -106,8 +106,8 @@ fun case_9() {
x = null
break
} while (x!!.length > 1)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String? & kotlin.String")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String? & kotlin.String")!>x<!>.length
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String? & kotlin.Nothing")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String? & kotlin.Nothing")!>x<!>.length
}
// TESTCASE NUMBER: 10
@@ -117,8 +117,8 @@ fun case_10() {
x = null
break
} while ((x as String).length > 1)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String? & kotlin.String")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String? & kotlin.String")!>x<!>.length
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String? & kotlin.Nothing")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String? & kotlin.Nothing")!>x<!>.length
}
// TESTCASE NUMBER: 11
@@ -128,8 +128,8 @@ fun case_11() {
x = null
break
} while (x!!)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean? & kotlin.Boolean")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean? & kotlin.Boolean")!>x<!>.not()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean? & kotlin.Nothing")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean? & kotlin.Nothing")!>x<!>.not()
}
// TESTCASE NUMBER: 12
@@ -141,8 +141,8 @@ fun case_12() {
x = null
break
} while (true && x!!)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean?")!>x<!><!UNSAFE_CALL!>.<!>not()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean? & kotlin.Nothing?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean? & kotlin.Nothing?")!>x<!><!UNSAFE_CALL!>.<!>not()
}
// TESTCASE NUMBER: 13
@@ -154,8 +154,8 @@ fun case_13() {
x = null
break
} while (false && x!!)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean?")!>x<!><!UNSAFE_CALL!>.<!>not()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean? & kotlin.Nothing?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean? & kotlin.Nothing?")!>x<!><!UNSAFE_CALL!>.<!>not()
}
// TESTCASE NUMBER: 14
@@ -167,8 +167,8 @@ fun case_14() {
x = null
break
} while (true || x!!)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean?")!>x<!><!UNSAFE_CALL!>.<!>not()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean? & kotlin.Nothing?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean? & kotlin.Nothing?")!>x<!><!UNSAFE_CALL!>.<!>not()
}
// TESTCASE NUMBER: 15
@@ -180,8 +180,8 @@ fun case_15() {
x = null
break
} while (!(false && x!!))
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean?")!>x<!><!UNSAFE_CALL!>.<!>not()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean? & kotlin.Nothing?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Boolean? & kotlin.Nothing?")!>x<!><!UNSAFE_CALL!>.<!>not()
}
/*