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PseudocodeLabel: add slightly better exception diagnostics

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This commit is contained in:
Mikhail Glukhikh
2017-07-12 12:30:23 +03:00
committed by Mikhail Glukhikh
parent 9a5b5393f5
commit ab0e734e7d
1 changed files with 9 additions and 4 deletions
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compiler/frontend/src/org/jetbrains/kotlin/cfg/pseudocode/PseudocodeLabel.kt
+9 -4
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@@ -34,11 +34,16 @@ class PseudocodeLabel internal constructor(
override fun resolveToInstruction(): Instruction {
val index = targetInstructionIndex
if (index < 0 || index >= instructionList.size) {
error("resolveToInstruction: incorrect index $index for label $name " +
"in subroutine ${correspondingElement.text} with instructions $instructionList")
when {
index < 0 ->
error("resolveToInstruction: unbound label $name " +
"in subroutine ${correspondingElement.text} with instructions $instructionList")
index >= instructionList.size ->
error("resolveToInstruction: incorrect index $index for label $name " +
"in subroutine ${correspondingElement.text} with instructions $instructionList")
else ->
return instructionList[index]
}
return instructionList[index]
}
fun copy(newPseudocode: PseudocodeImpl, newLabelIndex: Int): PseudocodeLabel =