.kotlin.kotlin-compiler.1.2.71.source-code.IrValidator.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2017 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.kotlin.backend.common
import org.jetbrains.kotlin.ir.IrElement
import org.jetbrains.kotlin.ir.declarations.*
import org.jetbrains.kotlin.ir.util.render
import org.jetbrains.kotlin.ir.visitors.IrElementVisitorVoid
import org.jetbrains.kotlin.ir.visitors.acceptChildrenVoid
import org.jetbrains.kotlin.ir.visitors.acceptVoid
fun validateIrFile(context: CommonBackendContext, irFile: IrFile) {
val visitor = IrValidator(context, false)
irFile.acceptVoid(visitor)
}
fun validateIrModule(context: CommonBackendContext, irModule: IrModuleFragment) {
val visitor = IrValidator(context, true) // TODO: consider taking the boolean from settings.
irModule.acceptVoid(visitor)
// TODO: also check that all referenced symbol targets are reachable.
}
private fun CommonBackendContext.reportIrValidationError(message: String, irFile: IrFile, irElement: IrElement) {
try {
this.reportWarning("[IR VALIDATION] $message", irFile, irElement)
} catch (e: Throwable) {
println("an error trying to print a warning message: $e")
e.printStackTrace()
}
// TODO: throw an exception after fixing bugs leading to invalid IR.
}
private class IrValidator(val context: CommonBackendContext, performHeavyValidations: Boolean) : IrElementVisitorVoid {
val builtIns = context.builtIns
lateinit var currentFile: IrFile
override fun visitFile(declaration: IrFile) {
currentFile = declaration
super.visitFile(declaration)
}
private fun error(element: IrElement, message: String) {
// TODO: render all element's parents.
context.reportIrValidationError(
"$message\n" +
element.render(),
currentFile, element)
}
private val elementChecker = CheckIrElementVisitor(builtIns, this::error, performHeavyValidations)
override fun visitElement(element: IrElement) {
element.acceptVoid(elementChecker)
element.acceptChildrenVoid(this)
}
}