4434db4d69
- Make AbstractDiagnosticsTest dump function contracts - Add diagnostics tests on parsing contracts - Add diagnostics tests on smartcats in presence of functions with contracts - Add diagnostics tests on initialization and flow in presence of in-place called lambdas ========== Introduction of EffectSystem: 16/18
78 lines
1.4 KiB
Kotlin
Vendored
78 lines
1.4 KiB
Kotlin
Vendored
// !LANGUAGE: +CallsInPlaceEffect
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// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER
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import kotlin.internal.contracts.*
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inline fun <T> myRun(block: () -> T): T {
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contract {
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callsInPlace(block, InvocationKind.EXACTLY_ONCE)
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}
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return block()
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}
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fun exitOnlyThroughLocalReturns(b: Boolean) {
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var x: Int
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var s: String
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myRun {
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if (b) {
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x = 42
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return@myRun
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}
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if (!b) {
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s = "hello"
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x = 42
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return@myRun
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}
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else {
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s = "world"
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x = 239
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}
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}
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x.inc()
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<!UNINITIALIZED_VARIABLE!>s<!>.length
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}
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fun exitOnlyThroughNonLocalReturns(b: Boolean?) {
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var x: Int
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var <!ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE!>s<!>: String
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myRun {
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if (b == null) {
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x = 42
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return
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}
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if (<!DEBUG_INFO_SMARTCAST!>b<!>.not()) {
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x = 54
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}
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if (<!UNINITIALIZED_VARIABLE!>x<!> == 42) {
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return
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}
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else {
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x = 42
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s = "hello"
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return
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}
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}
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<!UNREACHABLE_CODE!>x.inc()<!>
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<!UNREACHABLE_CODE!>s.length<!>
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}
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fun nonLocalReturnAndOrdinaryExit(b: Boolean) {
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var x: Int
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var s: String
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myRun {
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if (b) {
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x = 42
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return
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}
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x = 54
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s = "hello"
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}
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x.inc()
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s.length
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} |