/*
* Copyright 2010-2016 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.diagnostics.rendering
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.descriptors.MemberDescriptor
import org.jetbrains.kotlin.resolve.multiplatform.ExpectedActualResolver.Compatibility.Incompatible
class PlatformIncompatibilityDiagnosticRenderer(
private val mode: MultiplatformDiagnosticRenderingMode
) : DiagnosticParameterRenderer<Map<Incompatible, Collection<MemberDescriptor>>> {
override fun render(
obj: Map<Incompatible, Collection<MemberDescriptor>>,
renderingContext: RenderingContext
): String {
if (obj.isEmpty()) return ""
return buildString {
mode.newLine(this)
renderIncompatibilityInformation(obj, "", renderingContext, mode)
}
}
companion object {
@JvmField
val TEXT = PlatformIncompatibilityDiagnosticRenderer(MultiplatformDiagnosticRenderingMode())
}
}
class IncompatibleExpectedActualClassScopesRenderer(
private val mode: MultiplatformDiagnosticRenderingMode
) : DiagnosticParameterRenderer<List<Pair<MemberDescriptor, Map<Incompatible, Collection<MemberDescriptor>>>>> {
override fun render(
obj: List<Pair<MemberDescriptor, Map<Incompatible, Collection<MemberDescriptor>>>>,
renderingContext: RenderingContext
): String {
if (obj.isEmpty()) return ""
return buildString {
mode.newLine(this)
renderIncompatibleClassScopes(obj, "", renderingContext, mode)
}
}
companion object {
@JvmField
val TEXT = IncompatibleExpectedActualClassScopesRenderer(MultiplatformDiagnosticRenderingMode())
}
}
open class MultiplatformDiagnosticRenderingMode {
open fun newLine(sb: StringBuilder) {
sb.appendln()
}
open fun renderList(sb: StringBuilder, elements: List<() -> Unit>) {
sb.appendln()
for (element in elements) {
element()
}
}
open fun renderDescriptor(sb: StringBuilder, descriptor: DeclarationDescriptor, context: RenderingContext, indent: String) {
sb.append(indent)
sb.append(INDENTATION_UNIT)
sb.appendln(Renderers.COMPACT_WITH_MODIFIERS.render(descriptor, context))
}
}
private fun StringBuilder.renderIncompatibilityInformation(
map: Map<Incompatible, Collection<MemberDescriptor>>,
indent: String,
context: RenderingContext,
mode: MultiplatformDiagnosticRenderingMode
) {
for ((incompatibility, descriptors) in map) {
append(indent)
append("The following declaration")
if (descriptors.size == 1) append(" is") else append("s are")
append(" incompatible")
incompatibility.reason?.let { append(" because $it") }
append(":")
mode.renderList(this, descriptors.map { descriptor ->
{ mode.renderDescriptor(this, descriptor, context, indent) }
})
if (incompatibility is Incompatible.ClassScopes) {
append(indent)
append("No actual members are found for expected members listed below:")
mode.newLine(this)
renderIncompatibleClassScopes(incompatibility.unfulfilled, indent, context, mode)
}
}
}
private fun StringBuilder.renderIncompatibleClassScopes(
unfulfilled: List<Pair<MemberDescriptor, Map<Incompatible, Collection<MemberDescriptor>>>>,
indent: String,
context: RenderingContext,
mode: MultiplatformDiagnosticRenderingMode
) {
mode.renderList(this, unfulfilled.indices.map { index ->
{
val (descriptor, mapping) = unfulfilled[index]
mode.renderDescriptor(this, descriptor, context, indent)
if (mapping.isNotEmpty()) {
mode.newLine(this)
renderIncompatibilityInformation(mapping, indent + INDENTATION_UNIT, context, mode)
}
if (index != unfulfilled.lastIndex) {
mode.newLine(this)
}
}
})
}
private const val INDENTATION_UNIT = " "