Implement support for "resX" result fields in REPL

This commit is contained in:
vitaly.khudobakhshov
2018-12-03 13:09:43 +01:00
committed by Ilya Chernikov
parent 79e577ae27
commit c901d6cebc
10 changed files with 128 additions and 32 deletions
@@ -48,13 +48,19 @@ class ScriptContext(
val resultFieldInfo: FieldInfo
get() {
assert(state.replSpecific.shouldGenerateScriptResultValue) { "Should not be called unless 'scriptResultFieldName' is set" }
assert(state.replSpecific.shouldGenerateScriptResultValue) { "Should not be called unless 'resultFieldName' is set" }
val scriptResultFieldName = state.replSpecific.scriptResultFieldName!!
return FieldInfo.createForHiddenField(state.typeMapper.mapClass(scriptDescriptor), AsmTypes.OBJECT_TYPE, scriptResultFieldName)
val fieldType = state.replSpecific.resultType?.let { state.typeMapper.mapType(it) } ?: AsmTypes.OBJECT_TYPE
return FieldInfo.createForHiddenField(
state.typeMapper.mapClass(scriptDescriptor),
fieldType,
state.replSpecific.resultType,
scriptResultFieldName
)
}
val script = DescriptorToSourceUtils.getSourceFromDescriptor(scriptDescriptor) as KtScript?
?: error("Declaration should be present for script: $scriptDescriptor")
?: error("Declaration should be present for script: $scriptDescriptor")
init {
val lastDeclaration = script.declarations.lastOrNull()
@@ -40,6 +40,7 @@ import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin
import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOriginKind.*
import org.jetbrains.kotlin.serialization.deserialization.DeserializationConfiguration
import org.jetbrains.kotlin.storage.LockBasedStorageManager
import org.jetbrains.kotlin.types.KotlinType
import java.io.File
class GenerationState private constructor(
@@ -214,6 +215,7 @@ class GenerationState private constructor(
var earlierScriptsForReplInterpreter: List<ScriptDescriptor>? = null
var scriptResultFieldName: String? = null
val shouldGenerateScriptResultValue: Boolean get() = scriptResultFieldName != null
var resultType: KotlinType? = null
var hasResult: Boolean = false
}
@@ -108,18 +108,14 @@ open class GenericReplEvaluator(
historyActor.addFinal(compileResult.lineId, EvalClassWithInstanceAndLoader(scriptClass.kotlin, scriptInstance, classLoader, invokeWrapper))
val resultField = scriptClass.getDeclaredField(SCRIPT_RESULT_FIELD_NAME).apply { isAccessible = true }
val resultFieldName = scriptResultFieldName(compileResult.lineId.no)
val resultField = scriptClass.getDeclaredField(resultFieldName).apply { isAccessible = true }
val resultValue: Any? = resultField.get(scriptInstance)
return if (compileResult.hasResult) ReplEvalResult.ValueResult(resultValue, compileResult.type)
return if (compileResult.hasResult) ReplEvalResult.ValueResult(resultFieldName, resultValue, compileResult.type)
else ReplEvalResult.UnitResult()
}
}
companion object {
private val SCRIPT_RESULT_FIELD_NAME = "\$\$result"
}
}
private open class HistoryActionsForNoRepeat(val state: GenericReplEvaluatorState) {
@@ -121,8 +121,11 @@ interface ReplEvalAction {
}
sealed class ReplEvalResult : Serializable {
class ValueResult(val value: Any?, val type: String?) : ReplEvalResult() {
override fun toString(): String = "$value : $type"
class ValueResult(val name: String, val value: Any?, val type: String?) : ReplEvalResult() {
override fun toString(): String {
return "$name: $type = $value"
}
companion object { private val serialVersionUID: Long = 1L }
}
@@ -50,6 +50,8 @@ fun String.replNormalizeLineBreaks() = replace(END_LINE, "\n")
fun makeScriptBaseName(codeLine: ReplCodeLine) =
"Line_${codeLine.no}${if (codeLine.generation > REPL_CODE_LINE_FIRST_GEN) "_gen_${codeLine.generation}" else ""}"
fun scriptResultFieldName(lineNo: Int) = "res$lineNo"
fun renderReplStackTrace(cause: Throwable, startFromMethodName: String): String {
val newTrace = arrayListOf<StackTraceElement>()
var skip = true
@@ -27,12 +27,8 @@ import org.jetbrains.kotlin.codegen.CompilationErrorHandler
import org.jetbrains.kotlin.codegen.KotlinCodegenFacade
import org.jetbrains.kotlin.codegen.state.GenerationState
import org.jetbrains.kotlin.config.CompilerConfiguration
import org.jetbrains.kotlin.psi.KtBlockExpression
import org.jetbrains.kotlin.psi.KtExpression
import org.jetbrains.kotlin.psi.KtScript
import org.jetbrains.kotlin.psi.KtScriptInitializer
import org.jetbrains.kotlin.psi.psiUtil.getChildOfType
import org.jetbrains.kotlin.renderer.DescriptorRenderer
import org.jetbrains.kotlin.resolve.lazy.descriptors.LazyScriptDescriptor
import org.jetbrains.kotlin.script.KotlinScriptDefinition
import org.jetbrains.kotlin.script.ScriptDependenciesProvider
import java.io.File
@@ -92,6 +88,8 @@ open class GenericReplCompiler(
else -> error("Unexpected result ${analysisResult::class.java}")
}
val type = (scriptDescriptor as LazyScriptDescriptor).resultValue?.returnType
val generationState = GenerationState.Builder(
psiFile.project,
ClassBuilderFactories.BINARIES,
@@ -100,7 +98,9 @@ open class GenericReplCompiler(
listOf(psiFile),
compilerConfiguration
).build()
generationState.replSpecific.scriptResultFieldName = SCRIPT_RESULT_FIELD_NAME
generationState.replSpecific.resultType = type
generationState.replSpecific.scriptResultFieldName = scriptResultFieldName(codeLine.no)
generationState.replSpecific.earlierScriptsForReplInterpreter = compilerState.history.map { it.item }
generationState.beforeCompile()
KotlinCodegenFacade.generatePackage(
@@ -113,23 +113,18 @@ open class GenericReplCompiler(
val generatedClassname = makeScriptBaseName(codeLine)
compilerState.history.push(LineId(codeLine), scriptDescriptor)
val expression = psiFile.getChildOfType<KtScript>()?.getChildOfType<KtBlockExpression>()?.getChildOfType<KtScriptInitializer>()
?.getChildOfType<KtExpression>()
val type = expression?.let {
compilerState.analyzerEngine.trace.bindingContext.getType(it)
}?.let {
DescriptorRenderer.FQ_NAMES_IN_TYPES.renderType(it)
}
val classes = generationState.factory.asList().map { CompiledClassData(it.relativePath, it.asByteArray()) }
return ReplCompileResult.CompiledClasses(
LineId(codeLine),
compilerState.history.map { it.id },
generatedClassname,
generationState.factory.asList().map { CompiledClassData(it.relativePath, it.asByteArray()) },
classes,
generationState.replSpecific.hasResult,
classpathAddendum ?: emptyList(),
type
generationState.replSpecific.resultType?.let {
DescriptorRenderer.FQ_NAMES_IN_TYPES.renderType(it)
}
)
}
}
@@ -117,7 +117,7 @@ class ReplFromTerminal(
is ReplEvalResult.ValueResult, is ReplEvalResult.UnitResult -> {
writer.notifyCommandSuccess()
if (evalResult is ReplEvalResult.ValueResult) {
writer.outputCommandResult(evalResult.value.toString())
writer.outputCommandResult(evalResult.toString())
}
}
is ReplEvalResult.Error.Runtime -> writer.outputRuntimeError(evalResult.message)
@@ -53,9 +53,8 @@ class LazyScriptClassMemberScope(
)
var paramsIndexBase = baseConstructorDescriptor.valueParameters.lastIndex + 1
val syntheticParameters =
(implicitReceiversParamTypes + environmentVarsParamTypes).mapNotNull { param: Pair<String, KotlinType> ->
if (param == null) null
else ValueParameterDescriptorImpl(
(implicitReceiversParamTypes + environmentVarsParamTypes).map { param: Pair<String, KotlinType> ->
ValueParameterDescriptorImpl(
constructorDescriptor,
null,
paramsIndexBase++,
@@ -90,6 +89,15 @@ class LazyScriptClassMemberScope(
return constructor
}
override fun getNonDeclaredProperties(name: Name, result: MutableSet<PropertyDescriptor>) {
super.getNonDeclaredProperties(name, result)
if (scriptDescriptor.resultFieldName() == name.asString()) {
scriptDescriptor.resultValue?.let {
result.add(it)
}
}
}
override fun createPropertiesFromPrimaryConstructorParameters(name: Name, result: MutableSet<PropertyDescriptor>) {
}
@@ -24,6 +24,11 @@ import org.jetbrains.kotlin.diagnostics.DiagnosticFactory1
import org.jetbrains.kotlin.diagnostics.Errors
import org.jetbrains.kotlin.name.ClassId
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.psi.KtBlockExpression
import org.jetbrains.kotlin.psi.KtExpression
import org.jetbrains.kotlin.psi.KtScriptInitializer
import org.jetbrains.kotlin.psi.psiUtil.getChildOfType
import org.jetbrains.kotlin.psi.psiUtil.getChildrenOfType
import org.jetbrains.kotlin.resolve.BindingContext
import org.jetbrains.kotlin.resolve.descriptorUtil.builtIns
import org.jetbrains.kotlin.resolve.descriptorUtil.module
@@ -31,6 +36,7 @@ import org.jetbrains.kotlin.resolve.lazy.LazyClassContext
import org.jetbrains.kotlin.resolve.lazy.ResolveSession
import org.jetbrains.kotlin.resolve.lazy.data.KtScriptInfo
import org.jetbrains.kotlin.resolve.lazy.declarations.ClassMemberDeclarationProvider
import org.jetbrains.kotlin.resolve.lazy.descriptors.script.ReplResultPropertyDescriptor
import org.jetbrains.kotlin.resolve.lazy.descriptors.script.ScriptEnvironmentDescriptor
import org.jetbrains.kotlin.resolve.lazy.descriptors.script.classId
import org.jetbrains.kotlin.resolve.scopes.LexicalScope
@@ -40,6 +46,8 @@ import org.jetbrains.kotlin.resolve.source.toSourceElement
import org.jetbrains.kotlin.script.KotlinScriptDefinition
import org.jetbrains.kotlin.script.ScriptPriorities
import org.jetbrains.kotlin.types.TypeSubstitutor
import org.jetbrains.kotlin.types.typeUtil.isNothing
import org.jetbrains.kotlin.types.typeUtil.isUnit
import kotlin.reflect.KClass
import kotlin.reflect.KType
@@ -59,6 +67,42 @@ class LazyScriptDescriptor(
resolveSession.trace.record(BindingContext.SCRIPT, scriptInfo.script, this)
}
val resultValue: ReplResultPropertyDescriptor? by lazy { provideResultValue() }
private fun provideResultValue(): ReplResultPropertyDescriptor? {
val expression = scriptInfo.script
.getChildOfType<KtBlockExpression>()
?.getChildrenOfType<KtScriptInitializer>()?.lastOrNull()
?.getChildOfType<KtExpression>()
val type = expression?.let {
resolveSession.trace.bindingContext.getType(it)
}
return if (type != null && !type.isUnit() && !type.isNothing()) {
resultFieldName()?.let {
ReplResultPropertyDescriptor(
Name.identifier(it),
type,
this.thisAsReceiverParameter,
this,
expression.toSourceElement()
)
}
} else null
}
fun resultFieldName(): String? {
val scriptPriority = scriptInfo.script.getUserData(ScriptPriorities.PRIORITY_KEY)
if (scriptPriority != null) {
return "res$scriptPriority"
}
val scriptName = name.asString()
return if (scriptName.startsWith("Line_")) {
"res${scriptName.split("_")[1]}"
} else "\$\$result"
}
private val sourceElement = scriptInfo.script.toSourceElement()
override fun getSource() = sourceElement
@@ -0,0 +1,40 @@
/*
* Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
* that can be found in the license/LICENSE.txt file.
*/
package org.jetbrains.kotlin.resolve.lazy.descriptors.script
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.descriptors.annotations.Annotations
import org.jetbrains.kotlin.descriptors.impl.PropertyDescriptorImpl
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.resolve.lazy.descriptors.LazyScriptDescriptor
import org.jetbrains.kotlin.types.KotlinType
class ReplResultPropertyDescriptor(
name: Name,
kotlinType: KotlinType,
receiver: ReceiverParameterDescriptor?,
script: LazyScriptDescriptor,
source: SourceElement
) : PropertyDescriptorImpl(
script,
null,
Annotations.EMPTY,
Modality.FINAL,
Visibilities.PUBLIC,
false,
name,
CallableMemberDescriptor.Kind.SYNTHESIZED,
source,
/* lateInit = */ false, /* isConst = */ false, /* isExpect = */ false, /* isActual = */ false, /* isExternal = */ false,
/* isDelegated = */ false
) {
init {
setType(kotlinType, emptyList(), receiver, null)
initialize(
null, null
)
}
}