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jvm-abi-gen: minor, refactor debug info and body removing visitors

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Co-authored-by: Vladimir Tagakov <vtagakov@lyft.com>
This commit is contained in:
Alexander Udalov
2024-01-10 17:20:10 +01:00
committed by Space Team
parent 2bf5a58a30
commit 1a46b053f2
1 changed files with 22 additions and 28 deletions
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plugins/jvm-abi-gen/src/org/jetbrains/kotlin/jvm/abi/JvmAbiOutputExtension.kt
+22 -28
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@@ -109,36 +109,10 @@ class JvmAbiOutputExtension(
val visitor = super.visitMethod(access, name, descriptor, signature, exceptions)
if (info == AbiMethodInfo.KEEP || access and (Opcodes.ACC_NATIVE or Opcodes.ACC_ABSTRACT) != 0) {
return object : MethodVisitor(Opcodes.API_VERSION, visitor) {
override fun visitLineNumber(line: Int, start: Label?) {
if (!removeDebugInfo) {
super.visitLineNumber(line, start)
}
}
override fun visitLocalVariable(
name: String?, descriptor: String?, signature: String?, start: Label?, end: Label?, index: Int,
) {
if (!removeDebugInfo) {
super.visitLocalVariable(name, descriptor, signature, start, end, index)
}
}
}
return if (removeDebugInfo) DebugInfoRemovingMethodVisitor(visitor) else visitor
}
return object : MethodVisitor(Opcodes.API_VERSION, visitor) {
override fun visitCode() {
with(mv) {
visitCode()
visitInsn(Opcodes.ACONST_NULL)
visitInsn(Opcodes.ATHROW)
visitMaxs(0, 0)
visitEnd()
}
// Only instructions and locals follow after `visitCode`.
mv = null
}
}
return BodyStrippingMethodVisitor(visitor)
}
override fun visitSource(source: String?, debug: String?) {
@@ -217,3 +191,23 @@ class JvmAbiOutputExtension(
}
}
}
private class BodyStrippingMethodVisitor(visitor: MethodVisitor) : MethodVisitor(Opcodes.API_VERSION, visitor) {
override fun visitCode() {
with(mv) {
visitCode()
visitInsn(Opcodes.ACONST_NULL)
visitInsn(Opcodes.ATHROW)
visitMaxs(0, 0)
visitEnd()
}
// Only instructions and locals follow after `visitCode`.
mv = null
}
}
private class DebugInfoRemovingMethodVisitor(visitor: MethodVisitor) : MethodVisitor(Opcodes.API_VERSION, visitor) {
override fun visitLineNumber(line: Int, start: Label?) {}
override fun visitLocalVariable(name: String?, descriptor: String?, signature: String?, start: Label?, end: Label?, index: Int) {}
}