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143 changes: 143 additions & 0 deletions
143
kex-core/src/main/kotlin/org/vorpal/research/kex/parameters/FinalParameters.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| package org.vorpal.research.kex.parameters | ||
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| import org.vorpal.research.kex.descriptor.ConstantDescriptor | ||
| import org.vorpal.research.kex.descriptor.Descriptor | ||
| import org.vorpal.research.kex.descriptor.ObjectDescriptor | ||
| import org.vorpal.research.kex.descriptor.descriptor | ||
| import org.vorpal.research.kex.ktype.KexClass | ||
| import org.vorpal.research.kex.state.term.ArgumentTerm | ||
| import org.vorpal.research.kex.trace.symbolic.protocol.ExceptionResult | ||
| import org.vorpal.research.kex.trace.symbolic.protocol.ExecutionCompletedResult | ||
| import org.vorpal.research.kex.trace.symbolic.protocol.ExecutionResult | ||
| import org.vorpal.research.kex.trace.symbolic.protocol.SuccessResult | ||
| import org.vorpal.research.kfg.ir.Method | ||
| import org.vorpal.research.kfg.ir.value.Constant | ||
| import org.vorpal.research.kfg.ir.value.instruction.ReturnInst | ||
| import org.vorpal.research.kfg.type.BoolType | ||
| import org.vorpal.research.kfg.type.SystemTypeNames | ||
| import org.vorpal.research.kthelper.assert.asserted | ||
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|
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| class FinalParameters<T> private constructor( | ||
| val instance: T?, | ||
| val args: List<T>, | ||
| val returnValueUnsafe: T?, | ||
| val exceptionTypeUnsafe: String? | ||
| ) { | ||
| val isException: Boolean | ||
| get() = exceptionTypeUnsafe != null | ||
| val isSuccess: Boolean | ||
| get() = !isException | ||
| val hasReturnValue: Boolean | ||
| get() = returnValueUnsafe != null | ||
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| val exceptionType: String | ||
| get() = asserted(isException) { exceptionTypeUnsafe!! } | ||
| val returnValue: T | ||
| get() = asserted(hasReturnValue) { returnValueUnsafe!! } | ||
| val asList: List<T> | ||
| get() = listOfNotNull(instance) + args + listOfNotNull(returnValueUnsafe) | ||
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| constructor(instance: T?, args: List<T>, exceptionType: String) : | ||
| this(instance, args, null, exceptionType) | ||
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| constructor(instance: T?, args: List<T>, returnValue: T?) : | ||
| this(instance, args, returnValue, null) | ||
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| override fun equals(other: Any?): Boolean { | ||
| if (this === other) return true | ||
| if (javaClass != other?.javaClass) return false | ||
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| other as FinalParameters<*> | ||
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| if (instance != other.instance) return false | ||
| if (args != other.args) return false | ||
| if (returnValueUnsafe != other.returnValueUnsafe) return false | ||
| if (exceptionTypeUnsafe != other.exceptionTypeUnsafe) return false | ||
|
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| return true | ||
| } | ||
|
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| override fun hashCode(): Int { | ||
| var result = instance?.hashCode() ?: 0 | ||
| result = 31 * result + args.hashCode() | ||
| result = 31 * result + (returnValueUnsafe?.hashCode() ?: 0) | ||
| result = 31 * result + (exceptionTypeUnsafe?.hashCode() ?: 0) | ||
| return result | ||
| } | ||
|
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| override fun toString(): String = buildString { | ||
| append("FinalParameters(instance=") | ||
| append(instance) | ||
| append(", args=") | ||
| append(args) | ||
| append(", returnValueUnsafe=") | ||
| append(returnValueUnsafe) | ||
| append(", exceptionTypeUnsafe=") | ||
| append(exceptionTypeUnsafe) | ||
| append(")") | ||
| } | ||
| } | ||
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| val <T> FinalParameters<T>?.isSuccessOrFalse: Boolean get() = this?.isSuccess ?: false | ||
| val <T> FinalParameters<T>?.isExceptionOrFalse: Boolean get() = this?.isException ?: false | ||
| val <T> FinalParameters<T>?.hasReturnValueOrFalse: Boolean get() = this?.hasReturnValue ?: false | ||
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| fun Parameters<Descriptor>.extractFinalParameters(exceptionJavaName: String): FinalParameters<Descriptor> = | ||
| FinalParameters(instance, arguments, exceptionJavaName) | ||
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| fun Parameters<Descriptor>.extractFinalParameters(returnValueDescriptor: Descriptor?) = | ||
| FinalParameters(instance, arguments, returnValueDescriptor) | ||
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| fun extractFinalParameters(executionResult: ExecutionResult, method: Method): FinalParameters<Descriptor>? = | ||
| when (executionResult) { | ||
| is ExecutionCompletedResult -> { | ||
| val instance = executionResult.symbolicState.concreteValues.entries | ||
| .firstOrNull { it.key.name == "this" }?.value?.deepCopy() | ||
| val args = executionResult.symbolicState.concreteValues | ||
| .filterKeys { it is ArgumentTerm }.map { it.value.deepCopy() } | ||
|
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| when (executionResult) { | ||
| is ExceptionResult -> { | ||
| var exceptionDescriptor = executionResult.cause as ObjectDescriptor | ||
| val exceptionType = KexClass(SystemTypeNames.throwableClass) | ||
| while (exceptionDescriptor.fields["target" to exceptionType] as? ObjectDescriptor != null) { | ||
| exceptionDescriptor = exceptionDescriptor.fields["target" to exceptionType] as ObjectDescriptor | ||
| } | ||
| val exceptionClassName = exceptionDescriptor.type.javaName | ||
| if ("org.vorpal.research.kex" in exceptionClassName) { | ||
| throw IllegalArgumentException("Exception $exceptionDescriptor is from kex package") | ||
| } | ||
| FinalParameters(instance, args, exceptionClassName) | ||
| } | ||
|
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| is SuccessResult -> { | ||
| val retInst = method.body.bodyBlocks | ||
| .flatten() | ||
| .filterIsInstance<ReturnInst>() | ||
| .firstOrNull() | ||
| val retValue = when (retInst?.hasReturnValue) { | ||
| true -> retInst.returnValue | ||
| else -> null | ||
| } | ||
| val retDescriptor = when (retValue) { | ||
| is Constant -> descriptor { const(retValue) } | ||
|
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| else -> { | ||
| val retTerm = executionResult.symbolicState.termMap.entries.firstOrNull { | ||
| it.value.value == retValue && it.value.depth == 0 | ||
| }?.key | ||
| val descriptor = executionResult.symbolicState.concreteValues[retTerm] | ||
| when (method.returnType) { | ||
| is BoolType -> (descriptor as? ConstantDescriptor.Int)?.toBool() | ||
| else -> descriptor | ||
| } | ||
| } | ||
| } | ||
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| FinalParameters(instance, args, retDescriptor) | ||
| } | ||
| } | ||
| } | ||
|
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| else -> null | ||
| } |
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