1/2 analysis-api: Initial implementation for contracts

Review: https://jetbrains.team/p/kt/reviews/7652

I need this API for KTIJ-22692

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/booleanConstReferenceInImplies.kt

@@ -0,0 +1,13 @@
+// WITH_STDLIB
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+
+@OptIn(ExperimentalContracts::class)
+fun booleanConstReferenceInImplies(): Boolean {
+    contr<caret>act {
+        returns(true) implies true
+    }
+    return true
+}

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/booleanConstReferenceInImplies.pretty.txt

@@ -0,0 +1,2 @@
+@kotlin.OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+fun booleanConstReferenceInImplies(): kotlin.Boolean

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/booleanConstReferenceInImplies.txt

@@ -0,0 +1,39 @@
+KtFunctionSymbol:
+  annotationsList: [
+    kotlin/OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+      psi: KtAnnotationEntry
+  ]
+  callableIdIfNonLocal: /booleanConstReferenceInImplies
+  contextReceivers: []
+  contractEffects: [
+    KtContractConditionalContractEffectDeclaration:
+      effect:
+        KtContractReturnsSpecificValueEffectDeclaration:
+          value:
+            KtContractConstantValue:
+              constantType: TRUE
+      condition:
+        KtContractBooleanConstantExpression:
+          booleanConstant: true
+  ]
+  hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
+  isExtension: false
+  isExternal: false
+  isInfix: false
+  isInline: false
+  isOperator: false
+  isOverride: false
+  isStatic: false
+  isSuspend: false
+  modality: FINAL
+  name: booleanConstReferenceInImplies
+  origin: SOURCE
+  receiverParameter: null
+  returnType: kotlin/Boolean
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  valueParameters: []
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/booleanExprContract.kt

@@ -0,0 +1,13 @@
+// WITH_STDLIB
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+
+@OptIn(ExperimentalContracts::class)
+fun boolenExprContract(foo: Any?, bar: Any?): Boolean {
+    contr<caret>act {
+        returns(true) implies (foo == null && bar != null)
+    }
+    return foo == null && bar != null
+}

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/booleanExprContract.pretty.txt

@@ -0,0 +1,2 @@
+@kotlin.OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+fun boolenExprContract(foo: kotlin.Any?, bar: kotlin.Any?): kotlin.Boolean

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/booleanExprContract.txt

@@ -0,0 +1,128 @@
+KtFunctionSymbol:
+  annotationsList: [
+    kotlin/OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+      psi: KtAnnotationEntry
+  ]
+  callableIdIfNonLocal: /boolenExprContract
+  contextReceivers: []
+  contractEffects: [
+    KtContractConditionalContractEffectDeclaration:
+      effect:
+        KtContractReturnsSpecificValueEffectDeclaration:
+          value:
+            KtContractConstantValue:
+              constantType: TRUE
+      condition:
+        KtContractBinaryLogicExpression:
+          left:
+            KtContractIsNullPredicateExpression:
+              argument:
+                KtContractParameterValue:
+                  parameterSymbol:
+                    KtValueParameterSymbol:
+                      annotationsList: []
+                      callableIdIfNonLocal: null
+                      contextReceivers: []
+                      generatedPrimaryConstructorProperty: null
+                      hasDefaultValue: false
+                      isCrossinline: false
+                      isExtension: false
+                      isImplicitLambdaParameter: false
+                      isNoinline: false
+                      isVararg: false
+                      name: foo
+                      origin: SOURCE
+                      receiverParameter: null
+                      returnType: kotlin/Any?
+                      symbolKind: LOCAL
+                      typeParameters: []
+                      getContainingModule: KtSourceModule "Sources of main"
+                      deprecationStatus: null
+              isNegated: false
+          right:
+            KtContractIsNullPredicateExpression:
+              argument:
+                KtContractParameterValue:
+                  parameterSymbol:
+                    KtValueParameterSymbol:
+                      annotationsList: []
+                      callableIdIfNonLocal: null
+                      contextReceivers: []
+                      generatedPrimaryConstructorProperty: null
+                      hasDefaultValue: false
+                      isCrossinline: false
+                      isExtension: false
+                      isImplicitLambdaParameter: false
+                      isNoinline: false
+                      isVararg: false
+                      name: bar
+                      origin: SOURCE
+                      receiverParameter: null
+                      returnType: kotlin/Any?
+                      symbolKind: LOCAL
+                      typeParameters: []
+                      getContainingModule: KtSourceModule "Sources of main"
+                      deprecationStatus: null
+              isNegated: true
+          operation: AND
+  ]
+  hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
+  isExtension: false
+  isExternal: false
+  isInfix: false
+  isInline: false
+  isOperator: false
+  isOverride: false
+  isStatic: false
+  isSuspend: false
+  modality: FINAL
+  name: boolenExprContract
+  origin: SOURCE
+  receiverParameter: null
+  returnType: kotlin/Boolean
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  valueParameters: [
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: foo
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Any?
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: bar
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Any?
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+  ]
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/callsInPlaceAtLeastOnceContract.kt

@@ -0,0 +1,13 @@
+// WITH_STDLIB
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+
+@OptIn(ExperimentalContracts::class)
+fun atLeastOnceContract(block: () -> Unit) {
+    contr<caret>act {
+        callsInPlace(block, InvocationKind.AT_LEAST_ONCE)
+    }
+    block()
+}

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/callsInPlaceAtLeastOnceContract.pretty.txt

@@ -0,0 +1,2 @@
+@kotlin.OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+fun atLeastOnceContract(block: () -> kotlin.Unit)

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/callsInPlaceAtLeastOnceContract.txt

@@ -0,0 +1,74 @@
+KtFunctionSymbol:
+  annotationsList: [
+    kotlin/OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+      psi: KtAnnotationEntry
+  ]
+  callableIdIfNonLocal: /atLeastOnceContract
+  contextReceivers: []
+  contractEffects: [
+    KtContractCallsInPlaceContractEffectDeclaration:
+      valueParameterReference:
+        KtContractParameterValue:
+          parameterSymbol:
+            KtValueParameterSymbol:
+              annotationsList: []
+              callableIdIfNonLocal: null
+              contextReceivers: []
+              generatedPrimaryConstructorProperty: null
+              hasDefaultValue: false
+              isCrossinline: false
+              isExtension: false
+              isImplicitLambdaParameter: false
+              isNoinline: false
+              isVararg: false
+              name: block
+              origin: SOURCE
+              receiverParameter: null
+              returnType: kotlin/Function0<kotlin/Unit>
+              symbolKind: LOCAL
+              typeParameters: []
+              getContainingModule: KtSourceModule "Sources of main"
+              deprecationStatus: null
+      occurrencesRange: AT_LEAST_ONCE
+  ]
+  hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
+  isExtension: false
+  isExternal: false
+  isInfix: false
+  isInline: false
+  isOperator: false
+  isOverride: false
+  isStatic: false
+  isSuspend: false
+  modality: FINAL
+  name: atLeastOnceContract
+  origin: SOURCE
+  receiverParameter: null
+  returnType: kotlin/Unit
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  valueParameters: [
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: block
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Function0<kotlin/Unit>
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+  ]
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/callsInPlaceAtMostOnceContract.kt

@@ -0,0 +1,13 @@
+// WITH_STDLIB
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+
+@OptIn(ExperimentalContracts::class)
+fun atMostOnceContract(block: () -> Unit) {
+    contr<caret>act {
+        callsInPlace(block, InvocationKind.AT_MOST_ONCE)
+    }
+    block()
+}

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/callsInPlaceAtMostOnceContract.pretty.txt

@@ -0,0 +1,2 @@
+@kotlin.OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+fun atMostOnceContract(block: () -> kotlin.Unit)

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/callsInPlaceAtMostOnceContract.txt

@@ -0,0 +1,74 @@
+KtFunctionSymbol:
+  annotationsList: [
+    kotlin/OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+      psi: KtAnnotationEntry
+  ]
+  callableIdIfNonLocal: /atMostOnceContract
+  contextReceivers: []
+  contractEffects: [
+    KtContractCallsInPlaceContractEffectDeclaration:
+      valueParameterReference:
+        KtContractParameterValue:
+          parameterSymbol:
+            KtValueParameterSymbol:
+              annotationsList: []
+              callableIdIfNonLocal: null
+              contextReceivers: []
+              generatedPrimaryConstructorProperty: null
+              hasDefaultValue: false
+              isCrossinline: false
+              isExtension: false
+              isImplicitLambdaParameter: false
+              isNoinline: false
+              isVararg: false
+              name: block
+              origin: SOURCE
+              receiverParameter: null
+              returnType: kotlin/Function0<kotlin/Unit>
+              symbolKind: LOCAL
+              typeParameters: []
+              getContainingModule: KtSourceModule "Sources of main"
+              deprecationStatus: null
+      occurrencesRange: AT_MOST_ONCE
+  ]
+  hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
+  isExtension: false
+  isExternal: false
+  isInfix: false
+  isInline: false
+  isOperator: false
+  isOverride: false
+  isStatic: false
+  isSuspend: false
+  modality: FINAL
+  name: atMostOnceContract
+  origin: SOURCE
+  receiverParameter: null
+  returnType: kotlin/Unit
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  valueParameters: [
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: block
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Function0<kotlin/Unit>
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+  ]
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/callsInPlaceExactlyOnceContract.kt

@@ -0,0 +1,13 @@
+// WITH_STDLIB
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+
+@OptIn(ExperimentalContracts::class)
+fun exactlyOnceContract(block: () -> Unit) {
+    contr<caret>act {
+        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
+    }
+    block()
+}

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/callsInPlaceExactlyOnceContract.pretty.txt

@@ -0,0 +1,2 @@
+@kotlin.OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+fun exactlyOnceContract(block: () -> kotlin.Unit)

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/callsInPlaceExactlyOnceContract.txt

@@ -0,0 +1,74 @@
+KtFunctionSymbol:
+  annotationsList: [
+    kotlin/OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+      psi: KtAnnotationEntry
+  ]
+  callableIdIfNonLocal: /exactlyOnceContract
+  contextReceivers: []
+  contractEffects: [
+    KtContractCallsInPlaceContractEffectDeclaration:
+      valueParameterReference:
+        KtContractParameterValue:
+          parameterSymbol:
+            KtValueParameterSymbol:
+              annotationsList: []
+              callableIdIfNonLocal: null
+              contextReceivers: []
+              generatedPrimaryConstructorProperty: null
+              hasDefaultValue: false
+              isCrossinline: false
+              isExtension: false
+              isImplicitLambdaParameter: false
+              isNoinline: false
+              isVararg: false
+              name: block
+              origin: SOURCE
+              receiverParameter: null
+              returnType: kotlin/Function0<kotlin/Unit>
+              symbolKind: LOCAL
+              typeParameters: []
+              getContainingModule: KtSourceModule "Sources of main"
+              deprecationStatus: null
+      occurrencesRange: EXACTLY_ONCE
+  ]
+  hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
+  isExtension: false
+  isExternal: false
+  isInfix: false
+  isInline: false
+  isOperator: false
+  isOverride: false
+  isStatic: false
+  isSuspend: false
+  modality: FINAL
+  name: exactlyOnceContract
+  origin: SOURCE
+  receiverParameter: null
+  returnType: kotlin/Unit
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  valueParameters: [
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: block
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Function0<kotlin/Unit>
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+  ]
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/callsInPlaceUnknownContract.kt

@@ -0,0 +1,13 @@
+// WITH_STDLIB
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+
+@OptIn(ExperimentalContracts::class)
+fun unknownContract(block: () -> Unit) {
+    contr<caret>act {
+        callsInPlace(block, InvocationKind.UNKNOWN)
+    }
+    block()
+}

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/callsInPlaceUnknownContract.pretty.txt

@@ -0,0 +1,2 @@
+@kotlin.OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+fun unknownContract(block: () -> kotlin.Unit)

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/callsInPlaceUnknownContract.txt

@@ -0,0 +1,74 @@
+KtFunctionSymbol:
+  annotationsList: [
+    kotlin/OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+      psi: KtAnnotationEntry
+  ]
+  callableIdIfNonLocal: /unknownContract
+  contextReceivers: []
+  contractEffects: [
+    KtContractCallsInPlaceContractEffectDeclaration:
+      valueParameterReference:
+        KtContractParameterValue:
+          parameterSymbol:
+            KtValueParameterSymbol:
+              annotationsList: []
+              callableIdIfNonLocal: null
+              contextReceivers: []
+              generatedPrimaryConstructorProperty: null
+              hasDefaultValue: false
+              isCrossinline: false
+              isExtension: false
+              isImplicitLambdaParameter: false
+              isNoinline: false
+              isVararg: false
+              name: block
+              origin: SOURCE
+              receiverParameter: null
+              returnType: kotlin/Function0<kotlin/Unit>
+              symbolKind: LOCAL
+              typeParameters: []
+              getContainingModule: KtSourceModule "Sources of main"
+              deprecationStatus: null
+      occurrencesRange: UNKNOWN
+  ]
+  hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
+  isExtension: false
+  isExternal: false
+  isInfix: false
+  isInline: false
+  isOperator: false
+  isOverride: false
+  isStatic: false
+  isSuspend: false
+  modality: FINAL
+  name: unknownContract
+  origin: SOURCE
+  receiverParameter: null
+  returnType: kotlin/Unit
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  valueParameters: [
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: block
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Function0<kotlin/Unit>
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+  ]
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/invalidContractParameterPassedToReturns.kt

@@ -0,0 +1,13 @@
+// WITH_STDLIB
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+
+@OptIn(ExperimentalContracts::class)
+fun invalidContract(foo: Any, bar: Boolean) {
+    cont<caret>ract {
+        returns(foo) implies bar
+    }
+    return if (bar) foo else null
+}

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/invalidContractParameterPassedToReturns.pretty.txt

@@ -0,0 +1,2 @@
+@kotlin.OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+fun invalidContract(foo: kotlin.Any, bar: kotlin.Boolean)

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/invalidContractParameterPassedToReturns.txt

@@ -0,0 +1,68 @@
+KtFunctionSymbol:
+  annotationsList: [
+    kotlin/OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+      psi: KtAnnotationEntry
+  ]
+  callableIdIfNonLocal: /invalidContract
+  contextReceivers: []
+  contractEffects: []
+  hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
+  isExtension: false
+  isExternal: false
+  isInfix: false
+  isInline: false
+  isOperator: false
+  isOverride: false
+  isStatic: false
+  isSuspend: false
+  modality: FINAL
+  name: invalidContract
+  origin: SOURCE
+  receiverParameter: null
+  returnType: kotlin/Unit
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  valueParameters: [
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: foo
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Any
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: bar
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Boolean
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+  ]
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/isInstancePredicateContract.kt

@@ -0,0 +1,17 @@
+// WITH_STDLIB
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+
+class Foo
+
+@OptIn(ExperimentalContracts::class)
+fun isInstancePredicateContract(value: Any) {
+    contr<caret>act {
+        returns() implies (value is Foo)
+    }
+    if (value !is Foo) {
+        throw IllegalStateException()
+    }
+}

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/isInstancePredicateContract.pretty.txt

@@ -0,0 +1,2 @@
+@kotlin.OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+fun isInstancePredicateContract(value: kotlin.Any)

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/isInstancePredicateContract.txt

@@ -0,0 +1,80 @@
+KtFunctionSymbol:
+  annotationsList: [
+    kotlin/OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+      psi: KtAnnotationEntry
+  ]
+  callableIdIfNonLocal: /isInstancePredicateContract
+  contextReceivers: []
+  contractEffects: [
+    KtContractConditionalContractEffectDeclaration:
+      effect:
+        KtContractReturnsSuccessfullyEffectDeclaration:
+      condition:
+        KtContractIsInstancePredicateExpression:
+          argument:
+            KtContractParameterValue:
+              parameterSymbol:
+                KtValueParameterSymbol:
+                  annotationsList: []
+                  callableIdIfNonLocal: null
+                  contextReceivers: []
+                  generatedPrimaryConstructorProperty: null
+                  hasDefaultValue: false
+                  isCrossinline: false
+                  isExtension: false
+                  isImplicitLambdaParameter: false
+                  isNoinline: false
+                  isVararg: false
+                  name: value
+                  origin: SOURCE
+                  receiverParameter: null
+                  returnType: kotlin/Any
+                  symbolKind: LOCAL
+                  typeParameters: []
+                  getContainingModule: KtSourceModule "Sources of main"
+                  deprecationStatus: null
+          type:
+            Foo
+          isNegated: false
+  ]
+  hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
+  isExtension: false
+  isExternal: false
+  isInfix: false
+  isInline: false
+  isOperator: false
+  isOverride: false
+  isStatic: false
+  isSuspend: false
+  modality: FINAL
+  name: isInstancePredicateContract
+  origin: SOURCE
+  receiverParameter: null
+  returnType: kotlin/Unit
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  valueParameters: [
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: value
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Any
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+  ]
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/logicalNotContract.kt

@@ -0,0 +1,15 @@
+// WITH_STDLIB
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+
+@OptIn(ExperimentalContracts::class)
+fun logicalNotContract(value: Boolean) {
+    contr<caret>act {
+        returns() implies !value
+    }
+    if (value) {
+        throw IllegalStateException()
+    }
+}

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/logicalNotContract.pretty.txt

@@ -0,0 +1,2 @@
+@kotlin.OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+fun logicalNotContract(value: kotlin.Boolean)

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/logicalNotContract.txt

@@ -0,0 +1,77 @@
+KtFunctionSymbol:
+  annotationsList: [
+    kotlin/OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+      psi: KtAnnotationEntry
+  ]
+  callableIdIfNonLocal: /logicalNotContract
+  contextReceivers: []
+  contractEffects: [
+    KtContractConditionalContractEffectDeclaration:
+      effect:
+        KtContractReturnsSuccessfullyEffectDeclaration:
+      condition:
+        KtContractLogicalNotExpression:
+          argument:
+            KtContractBooleanValueParameterExpression:
+              parameterSymbol:
+                KtValueParameterSymbol:
+                  annotationsList: []
+                  callableIdIfNonLocal: null
+                  contextReceivers: []
+                  generatedPrimaryConstructorProperty: null
+                  hasDefaultValue: false
+                  isCrossinline: false
+                  isExtension: false
+                  isImplicitLambdaParameter: false
+                  isNoinline: false
+                  isVararg: false
+                  name: value
+                  origin: SOURCE
+                  receiverParameter: null
+                  returnType: kotlin/Boolean
+                  symbolKind: LOCAL
+                  typeParameters: []
+                  getContainingModule: KtSourceModule "Sources of main"
+                  deprecationStatus: null
+  ]
+  hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
+  isExtension: false
+  isExternal: false
+  isInfix: false
+  isInline: false
+  isOperator: false
+  isOverride: false
+  isStatic: false
+  isSuspend: false
+  modality: FINAL
+  name: logicalNotContract
+  origin: SOURCE
+  receiverParameter: null
+  returnType: kotlin/Unit
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  valueParameters: [
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: value
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Boolean
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+  ]
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/referenceBooleanReceiverInContract.kt

@@ -0,0 +1,14 @@
+// WITH_STDLIB
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
+import java.lang.IllegalStateException
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+
+@OptIn(ExperimentalContracts::class)
+fun Boolean.referenceReceiverInContract() {
+    contr<caret>act {
+        returns() implies this@referenceReceiverInContract
+    }
+    if (!this) throw IllegalStateException()
+}

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/referenceBooleanReceiverInContract.pretty.txt

@@ -0,0 +1,2 @@
+@kotlin.OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+fun kotlin.Boolean.referenceReceiverInContract()

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/referenceBooleanReceiverInContract.txt

@@ -0,0 +1,49 @@
+KtFunctionSymbol:
+  annotationsList: [
+    kotlin/OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+      psi: KtAnnotationEntry
+  ]
+  callableIdIfNonLocal: /referenceReceiverInContract
+  contextReceivers: []
+  contractEffects: [
+    KtContractConditionalContractEffectDeclaration:
+      effect:
+        KtContractReturnsSuccessfullyEffectDeclaration:
+      condition:
+        KtContractBooleanValueParameterExpression:
+          parameterSymbol:
+            KtReceiverParameterSymbol:
+              annotationsList: []
+              origin: SOURCE
+              owningCallableSymbol: KtFunctionSymbol(/referenceReceiverInContract)
+              type: kotlin/Boolean
+              getContainingModule: KtSourceModule "Sources of main"
+              deprecationStatus: null
+  ]
+  hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
+  isExtension: true
+  isExternal: false
+  isInfix: false
+  isInline: false
+  isOperator: false
+  isOverride: false
+  isStatic: false
+  isSuspend: false
+  modality: FINAL
+  name: referenceReceiverInContract
+  origin: SOURCE
+  receiverParameter: KtReceiverParameterSymbol:
+    annotationsList: []
+    origin: SOURCE
+    owningCallableSymbol: KtFunctionSymbol(/referenceReceiverInContract)
+    type: kotlin/Boolean
+    getContainingModule: KtSourceModule "Sources of main"
+    deprecationStatus: null
+  returnType: kotlin/Unit
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  valueParameters: []
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/referenceReceiverInContract.kt

@@ -0,0 +1,13 @@
+// WITH_STDLIB
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+
+@OptIn(ExperimentalContracts::class)
+fun (() -> Unit).referenceReceiverInContract() {
+    contr<caret>act {
+        callsInPlace(this@referenceReceiverInContract, InvocationKind.EXACTLY_ONCE)
+    }
+    this()
+}

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/referenceReceiverInContract.pretty.txt

@@ -0,0 +1,2 @@
+@kotlin.OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+fun () -> kotlin.Unit.referenceReceiverInContract()

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/referenceReceiverInContract.txt

@@ -0,0 +1,48 @@
+KtFunctionSymbol:
+  annotationsList: [
+    kotlin/OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+      psi: KtAnnotationEntry
+  ]
+  callableIdIfNonLocal: /referenceReceiverInContract
+  contextReceivers: []
+  contractEffects: [
+    KtContractCallsInPlaceContractEffectDeclaration:
+      valueParameterReference:
+        KtContractParameterValue:
+          parameterSymbol:
+            KtReceiverParameterSymbol:
+              annotationsList: []
+              origin: SOURCE
+              owningCallableSymbol: KtFunctionSymbol(/referenceReceiverInContract)
+              type: kotlin/Function0<kotlin/Unit>
+              getContainingModule: KtSourceModule "Sources of main"
+              deprecationStatus: null
+      occurrencesRange: EXACTLY_ONCE
+  ]
+  hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
+  isExtension: true
+  isExternal: false
+  isInfix: false
+  isInline: false
+  isOperator: false
+  isOverride: false
+  isStatic: false
+  isSuspend: false
+  modality: FINAL
+  name: referenceReceiverInContract
+  origin: SOURCE
+  receiverParameter: KtReceiverParameterSymbol:
+    annotationsList: []
+    origin: SOURCE
+    owningCallableSymbol: KtFunctionSymbol(/referenceReceiverInContract)
+    type: kotlin/Function0<kotlin/Unit>
+    getContainingModule: KtSourceModule "Sources of main"
+    deprecationStatus: null
+  returnType: kotlin/Unit
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  valueParameters: []
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/returnsContract.kt

@@ -0,0 +1,15 @@
+// WITH_STDLIB
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+
+@OptIn(ExperimentalContracts::class)
+inline fun check(value: Boolean) {
+    contr<caret>act {
+        returns() implies value
+    }
+    if (!value) {
+        throw IllegalStateException()
+    }
+}

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/returnsContract.pretty.txt

@@ -0,0 +1,2 @@
+@kotlin.OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+inline fun check(value: kotlin.Boolean)

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/returnsContract.txt

@@ -0,0 +1,75 @@
+KtFunctionSymbol:
+  annotationsList: [
+    kotlin/OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+      psi: KtAnnotationEntry
+  ]
+  callableIdIfNonLocal: /check
+  contextReceivers: []
+  contractEffects: [
+    KtContractConditionalContractEffectDeclaration:
+      effect:
+        KtContractReturnsSuccessfullyEffectDeclaration:
+      condition:
+        KtContractBooleanValueParameterExpression:
+          parameterSymbol:
+            KtValueParameterSymbol:
+              annotationsList: []
+              callableIdIfNonLocal: null
+              contextReceivers: []
+              generatedPrimaryConstructorProperty: null
+              hasDefaultValue: false
+              isCrossinline: false
+              isExtension: false
+              isImplicitLambdaParameter: false
+              isNoinline: false
+              isVararg: false
+              name: value
+              origin: SOURCE
+              receiverParameter: null
+              returnType: kotlin/Boolean
+              symbolKind: LOCAL
+              typeParameters: []
+              getContainingModule: KtSourceModule "Sources of main"
+              deprecationStatus: null
+  ]
+  hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
+  isExtension: false
+  isExternal: false
+  isInfix: false
+  isInline: true
+  isOperator: false
+  isOverride: false
+  isStatic: false
+  isSuspend: false
+  modality: FINAL
+  name: check
+  origin: SOURCE
+  receiverParameter: null
+  returnType: kotlin/Unit
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  valueParameters: [
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: value
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Boolean
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+  ]
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/returnsFalseContract.kt

@@ -0,0 +1,13 @@
+// WITH_STDLIB
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+
+@OptIn(ExperimentalContracts::class)
+fun returnsFalseContract(foo: Any?): Boolean {
+    contr<caret>act {
+        returns(false) implies (foo != null)
+    }
+    return foo == null
+}

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/returnsFalseContract.pretty.txt

@@ -0,0 +1,2 @@
+@kotlin.OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+fun returnsFalseContract(foo: kotlin.Any?): kotlin.Boolean

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/returnsFalseContract.txt

@@ -0,0 +1,81 @@
+KtFunctionSymbol:
+  annotationsList: [
+    kotlin/OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+      psi: KtAnnotationEntry
+  ]
+  callableIdIfNonLocal: /returnsFalseContract
+  contextReceivers: []
+  contractEffects: [
+    KtContractConditionalContractEffectDeclaration:
+      effect:
+        KtContractReturnsSpecificValueEffectDeclaration:
+          value:
+            KtContractConstantValue:
+              constantType: FALSE
+      condition:
+        KtContractIsNullPredicateExpression:
+          argument:
+            KtContractParameterValue:
+              parameterSymbol:
+                KtValueParameterSymbol:
+                  annotationsList: []
+                  callableIdIfNonLocal: null
+                  contextReceivers: []
+                  generatedPrimaryConstructorProperty: null
+                  hasDefaultValue: false
+                  isCrossinline: false
+                  isExtension: false
+                  isImplicitLambdaParameter: false
+                  isNoinline: false
+                  isVararg: false
+                  name: foo
+                  origin: SOURCE
+                  receiverParameter: null
+                  returnType: kotlin/Any?
+                  symbolKind: LOCAL
+                  typeParameters: []
+                  getContainingModule: KtSourceModule "Sources of main"
+                  deprecationStatus: null
+          isNegated: true
+  ]
+  hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
+  isExtension: false
+  isExternal: false
+  isInfix: false
+  isInline: false
+  isOperator: false
+  isOverride: false
+  isStatic: false
+  isSuspend: false
+  modality: FINAL
+  name: returnsFalseContract
+  origin: SOURCE
+  receiverParameter: null
+  returnType: kotlin/Boolean
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  valueParameters: [
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: foo
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Any?
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+  ]
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/returnsNotNullContract.kt

@@ -0,0 +1,13 @@
+// WITH_STDLIB
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+
+@OptIn(ExperimentalContracts::class)
+fun returnsNotNullContract(foo: Any?): Any? {
+    contr<caret>act {
+        returnsNotNull() implies (foo != null)
+    }
+    return foo
+}

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/returnsNotNullContract.pretty.txt

@@ -0,0 +1,2 @@
+@kotlin.OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+fun returnsNotNullContract(foo: kotlin.Any?): kotlin.Any?

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/returnsNotNullContract.txt

@@ -0,0 +1,78 @@
+KtFunctionSymbol:
+  annotationsList: [
+    kotlin/OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+      psi: KtAnnotationEntry
+  ]
+  callableIdIfNonLocal: /returnsNotNullContract
+  contextReceivers: []
+  contractEffects: [
+    KtContractConditionalContractEffectDeclaration:
+      effect:
+        KtContractReturnsNotNullEffectDeclaration:
+      condition:
+        KtContractIsNullPredicateExpression:
+          argument:
+            KtContractParameterValue:
+              parameterSymbol:
+                KtValueParameterSymbol:
+                  annotationsList: []
+                  callableIdIfNonLocal: null
+                  contextReceivers: []
+                  generatedPrimaryConstructorProperty: null
+                  hasDefaultValue: false
+                  isCrossinline: false
+                  isExtension: false
+                  isImplicitLambdaParameter: false
+                  isNoinline: false
+                  isVararg: false
+                  name: foo
+                  origin: SOURCE
+                  receiverParameter: null
+                  returnType: kotlin/Any?
+                  symbolKind: LOCAL
+                  typeParameters: []
+                  getContainingModule: KtSourceModule "Sources of main"
+                  deprecationStatus: null
+          isNegated: true
+  ]
+  hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
+  isExtension: false
+  isExternal: false
+  isInfix: false
+  isInline: false
+  isOperator: false
+  isOverride: false
+  isStatic: false
+  isSuspend: false
+  modality: FINAL
+  name: returnsNotNullContract
+  origin: SOURCE
+  receiverParameter: null
+  returnType: kotlin/Any?
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  valueParameters: [
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: foo
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Any?
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+  ]
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/returnsNullContract.kt

@@ -0,0 +1,13 @@
+// WITH_STDLIB
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+
+@OptIn(ExperimentalContracts::class)
+fun returnsNullContract(foo: Any?): Any? {
+    contr<caret>act {
+        returns(null) implies (foo == null)
+    }
+    return foo
+}

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/returnsNullContract.pretty.txt

@@ -0,0 +1,2 @@
+@kotlin.OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+fun returnsNullContract(foo: kotlin.Any?): kotlin.Any?

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/returnsNullContract.txt

@@ -0,0 +1,81 @@
+KtFunctionSymbol:
+  annotationsList: [
+    kotlin/OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+      psi: KtAnnotationEntry
+  ]
+  callableIdIfNonLocal: /returnsNullContract
+  contextReceivers: []
+  contractEffects: [
+    KtContractConditionalContractEffectDeclaration:
+      effect:
+        KtContractReturnsSpecificValueEffectDeclaration:
+          value:
+            KtContractConstantValue:
+              constantType: NULL
+      condition:
+        KtContractIsNullPredicateExpression:
+          argument:
+            KtContractParameterValue:
+              parameterSymbol:
+                KtValueParameterSymbol:
+                  annotationsList: []
+                  callableIdIfNonLocal: null
+                  contextReceivers: []
+                  generatedPrimaryConstructorProperty: null
+                  hasDefaultValue: false
+                  isCrossinline: false
+                  isExtension: false
+                  isImplicitLambdaParameter: false
+                  isNoinline: false
+                  isVararg: false
+                  name: foo
+                  origin: SOURCE
+                  receiverParameter: null
+                  returnType: kotlin/Any?
+                  symbolKind: LOCAL
+                  typeParameters: []
+                  getContainingModule: KtSourceModule "Sources of main"
+                  deprecationStatus: null
+          isNegated: false
+  ]
+  hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
+  isExtension: false
+  isExternal: false
+  isInfix: false
+  isInline: false
+  isOperator: false
+  isOverride: false
+  isStatic: false
+  isSuspend: false
+  modality: FINAL
+  name: returnsNullContract
+  origin: SOURCE
+  receiverParameter: null
+  returnType: kotlin/Any?
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  valueParameters: [
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: foo
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Any?
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+  ]
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/returnsTrueContract.kt

@@ -0,0 +1,13 @@
+// WITH_STDLIB
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+
+@OptIn(ExperimentalContracts::class)
+fun returnsTrueContract(foo: Any?): Boolean {
+    contr<caret>act {
+        returns(true) implies (foo == null)
+    }
+    return foo == null
+}

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/returnsTrueContract.pretty.txt

@@ -0,0 +1,2 @@
+@kotlin.OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+fun returnsTrueContract(foo: kotlin.Any?): kotlin.Boolean

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/returnsTrueContract.txt

@@ -0,0 +1,81 @@
+KtFunctionSymbol:
+  annotationsList: [
+    kotlin/OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+      psi: KtAnnotationEntry
+  ]
+  callableIdIfNonLocal: /returnsTrueContract
+  contextReceivers: []
+  contractEffects: [
+    KtContractConditionalContractEffectDeclaration:
+      effect:
+        KtContractReturnsSpecificValueEffectDeclaration:
+          value:
+            KtContractConstantValue:
+              constantType: TRUE
+      condition:
+        KtContractIsNullPredicateExpression:
+          argument:
+            KtContractParameterValue:
+              parameterSymbol:
+                KtValueParameterSymbol:
+                  annotationsList: []
+                  callableIdIfNonLocal: null
+                  contextReceivers: []
+                  generatedPrimaryConstructorProperty: null
+                  hasDefaultValue: false
+                  isCrossinline: false
+                  isExtension: false
+                  isImplicitLambdaParameter: false
+                  isNoinline: false
+                  isVararg: false
+                  name: foo
+                  origin: SOURCE
+                  receiverParameter: null
+                  returnType: kotlin/Any?
+                  symbolKind: LOCAL
+                  typeParameters: []
+                  getContainingModule: KtSourceModule "Sources of main"
+                  deprecationStatus: null
+          isNegated: false
+  ]
+  hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
+  isExtension: false
+  isExternal: false
+  isInfix: false
+  isInline: false
+  isOperator: false
+  isOverride: false
+  isStatic: false
+  isSuspend: false
+  modality: FINAL
+  name: returnsTrueContract
+  origin: SOURCE
+  receiverParameter: null
+  returnType: kotlin/Boolean
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  valueParameters: [
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: foo
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Any?
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+  ]
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/twoContracts.kt

@@ -0,0 +1,15 @@
+// WITH_STDLIB
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+
+@OptIn(ExperimentalContracts::class)
+fun twoContracts(foo: Any?, bar: Any?, block: () -> Unit): Boolean {
+    contr<caret>act {
+        returns(true) implies (foo == null && bar != null)
+        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
+    }
+    block()
+    return foo == null && bar != null
+}

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/twoContracts.pretty.txt

@@ -0,0 +1,2 @@
+@kotlin.OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+fun twoContracts(foo: kotlin.Any?, bar: kotlin.Any?, block: () -> kotlin.Unit): kotlin.Boolean

analysis/analysis-api/testData/symbols/singleSymbolByPsi/contracts/twoContracts.txt

@@ -0,0 +1,171 @@
+KtFunctionSymbol:
+  annotationsList: [
+    kotlin/OptIn(markerClass = [kotlin.contracts.ExperimentalContracts::class])
+      psi: KtAnnotationEntry
+  ]
+  callableIdIfNonLocal: /twoContracts
+  contextReceivers: []
+  contractEffects: [
+    KtContractConditionalContractEffectDeclaration:
+      effect:
+        KtContractReturnsSpecificValueEffectDeclaration:
+          value:
+            KtContractConstantValue:
+              constantType: TRUE
+      condition:
+        KtContractBinaryLogicExpression:
+          left:
+            KtContractIsNullPredicateExpression:
+              argument:
+                KtContractParameterValue:
+                  parameterSymbol:
+                    KtValueParameterSymbol:
+                      annotationsList: []
+                      callableIdIfNonLocal: null
+                      contextReceivers: []
+                      generatedPrimaryConstructorProperty: null
+                      hasDefaultValue: false
+                      isCrossinline: false
+                      isExtension: false
+                      isImplicitLambdaParameter: false
+                      isNoinline: false
+                      isVararg: false
+                      name: foo
+                      origin: SOURCE
+                      receiverParameter: null
+                      returnType: kotlin/Any?
+                      symbolKind: LOCAL
+                      typeParameters: []
+                      getContainingModule: KtSourceModule "Sources of main"
+                      deprecationStatus: null
+              isNegated: false
+          right:
+            KtContractIsNullPredicateExpression:
+              argument:
+                KtContractParameterValue:
+                  parameterSymbol:
+                    KtValueParameterSymbol:
+                      annotationsList: []
+                      callableIdIfNonLocal: null
+                      contextReceivers: []
+                      generatedPrimaryConstructorProperty: null
+                      hasDefaultValue: false
+                      isCrossinline: false
+                      isExtension: false
+                      isImplicitLambdaParameter: false
+                      isNoinline: false
+                      isVararg: false
+                      name: bar
+                      origin: SOURCE
+                      receiverParameter: null
+                      returnType: kotlin/Any?
+                      symbolKind: LOCAL
+                      typeParameters: []
+                      getContainingModule: KtSourceModule "Sources of main"
+                      deprecationStatus: null
+              isNegated: true
+          operation: AND
+    KtContractCallsInPlaceContractEffectDeclaration:
+      valueParameterReference:
+        KtContractParameterValue:
+          parameterSymbol:
+            KtValueParameterSymbol:
+              annotationsList: []
+              callableIdIfNonLocal: null
+              contextReceivers: []
+              generatedPrimaryConstructorProperty: null
+              hasDefaultValue: false
+              isCrossinline: false
+              isExtension: false
+              isImplicitLambdaParameter: false
+              isNoinline: false
+              isVararg: false
+              name: block
+              origin: SOURCE
+              receiverParameter: null
+              returnType: kotlin/Function0<kotlin/Unit>
+              symbolKind: LOCAL
+              typeParameters: []
+              getContainingModule: KtSourceModule "Sources of main"
+              deprecationStatus: null
+      occurrencesRange: EXACTLY_ONCE
+  ]
+  hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
+  isExtension: false
+  isExternal: false
+  isInfix: false
+  isInline: false
+  isOperator: false
+  isOverride: false
+  isStatic: false
+  isSuspend: false
+  modality: FINAL
+  name: twoContracts
+  origin: SOURCE
+  receiverParameter: null
+  returnType: kotlin/Boolean
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  valueParameters: [
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: foo
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Any?
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: bar
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Any?
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+    KtValueParameterSymbol:
+      annotationsList: []
+      callableIdIfNonLocal: null
+      contextReceivers: []
+      generatedPrimaryConstructorProperty: null
+      hasDefaultValue: false
+      isCrossinline: false
+      isExtension: false
+      isImplicitLambdaParameter: false
+      isNoinline: false
+      isVararg: false
+      name: block
+      origin: SOURCE
+      receiverParameter: null
+      returnType: kotlin/Function0<kotlin/Unit>
+      symbolKind: LOCAL
+      typeParameters: []
+      getContainingModule: KtSourceModule "Sources of main"
+      deprecationStatus: null
+  ]
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null