org.jetbrains.kotlin.codegen.inline.SMAPAndMethodNode.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2015 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.
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package org.jetbrains.kotlin.codegen.inline
import org.jetbrains.kotlin.codegen.optimization.common.InsnSequence
import org.jetbrains.org.objectweb.asm.tree.LineNumberNode
import org.jetbrains.org.objectweb.asm.tree.MethodNode
import java.util.*
//TODO comment
class SMAPAndMethodNode(val node: MethodNode, val classSMAP: SMAP) {
val sortedRanges = createLineNumberSequence(node, classSMAP).map { it.mapper }.distinct().toList().sortedWith(RangeMapping.Comparator)
fun copyWithNewNode(newMethodNode: MethodNode) = SMAPAndMethodNode(newMethodNode, classSMAP)
}
private fun createLineNumberSequence(node: MethodNode, classSMAP: SMAP): Sequence {
return InsnSequence(node.instructions.first, null).filterIsInstance().map { lineNumber ->
val index = classSMAP.intervals.binarySearch(RangeMapping(lineNumber.line, lineNumber.line, 1), Comparator {
value, key ->
if (key.dest in value) 0 else RangeMapping.Comparator.compare(value, key)
})
if (index < 0) {
error("Unmapped line number in inlined function ${node.name}:${lineNumber.line}")
}
LabelAndMapping(lineNumber, classSMAP.intervals[index])
}
}
class LabelAndMapping(val lineNumberNode: LineNumberNode, val mapper: RangeMapping)