Make AsmCompiledExpression fields private, add builder functions not to expose AsmGenerationContext to public API, refactor code

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Commander Tvis 2020-06-07 19:23:39 +07:00
parent 6ac0297530
commit 013030951e
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5 changed files with 358 additions and 331 deletions

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@ -0,0 +1,31 @@
package scientifik.kmath.expressions
import scientifik.kmath.operations.Field
import scientifik.kmath.operations.Space
open class AsmExpressionSpace<T>(space: Space<T>) : Space<AsmExpression<T>>,
ExpressionSpace<T, AsmExpression<T>> {
override val zero: AsmExpression<T> = AsmConstantExpression(space.zero)
override fun const(value: T): AsmExpression<T> = AsmConstantExpression(value)
override fun variable(name: String, default: T?): AsmExpression<T> = AsmVariableExpression(name, default)
override fun add(a: AsmExpression<T>, b: AsmExpression<T>): AsmExpression<T> = AsmSumExpression(a, b)
override fun multiply(a: AsmExpression<T>, k: Number): AsmExpression<T> = AsmConstProductExpression(a, k)
operator fun AsmExpression<T>.plus(arg: T): AsmExpression<T> = this + const(arg)
operator fun AsmExpression<T>.minus(arg: T): AsmExpression<T> = this - const(arg)
operator fun T.plus(arg: AsmExpression<T>): AsmExpression<T> = arg + this
operator fun T.minus(arg: AsmExpression<T>): AsmExpression<T> = arg - this
}
class AsmExpressionField<T>(private val field: Field<T>) : ExpressionField<T, AsmExpression<T>>,
AsmExpressionSpace<T>(field) {
override val one: AsmExpression<T>
get() = const(this.field.one)
override fun number(value: Number): AsmExpression<T> = const(field.run { one * value })
override fun multiply(a: AsmExpression<T>, b: AsmExpression<T>): AsmExpression<T> = AsmProductExpression(a, b)
override fun divide(a: AsmExpression<T>, b: AsmExpression<T>): AsmExpression<T> = AsmDivExpression(a, b)
operator fun AsmExpression<T>.times(arg: T): AsmExpression<T> = this * const(arg)
operator fun AsmExpression<T>.div(arg: T): AsmExpression<T> = this / const(arg)
operator fun T.times(arg: AsmExpression<T>): AsmExpression<T> = arg * this
operator fun T.div(arg: AsmExpression<T>): AsmExpression<T> = arg / this
}

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@ -1,307 +1,14 @@
package scientifik.kmath.expressions
import org.objectweb.asm.ClassWriter
import org.objectweb.asm.Label
import org.objectweb.asm.MethodVisitor
import org.objectweb.asm.Opcodes.*
import scientifik.kmath.operations.Algebra
import scientifik.kmath.operations.Field
import scientifik.kmath.operations.Space
abstract class AsmCompiledExpression<T> internal constructor(
@JvmField val algebra: Algebra<T>,
@JvmField val constants: MutableList<out Any>
@JvmField private val algebra: Algebra<T>,
@JvmField private val constants: MutableList<out Any>
) : Expression<T> {
abstract override fun invoke(arguments: Map<String, T>): T
}
internal fun buildName(expression: AsmExpression<*>, collision: Int = 0): String {
val name = "scientifik.kmath.expressions.generated.AsmCompiledExpression_${expression.hashCode()}_$collision"
try {
Class.forName(name)
} catch (ignored: ClassNotFoundException) {
return name
}
return buildName(expression, collision + 1)
}
class AsmGenerationContext<T>(
classOfT: Class<*>,
private val algebra: Algebra<T>,
private val className: String
) {
private class ClassLoader(parent: java.lang.ClassLoader) : java.lang.ClassLoader(parent) {
internal fun defineClass(name: String?, b: ByteArray): Class<*> = defineClass(name, b, 0, b.size)
}
private val classLoader: ClassLoader = ClassLoader(javaClass.classLoader)
@Suppress("PrivatePropertyName")
private val T_ALGEBRA_CLASS: String = algebra.javaClass.name.replace(oldChar = '.', newChar = '/')
@Suppress("PrivatePropertyName")
private val T_CLASS: String = classOfT.name.replace('.', '/')
private val slashesClassName: String = className.replace(oldChar = '.', newChar = '/')
private val invokeThisVar: Int = 0
private val invokeArgumentsVar: Int = 1
private var maxStack: Int = 0
private val constants: MutableList<Any> = mutableListOf()
private val asmCompiledClassWriter: ClassWriter = ClassWriter(0)
private val invokeMethodVisitor: MethodVisitor
private val invokeL0: Label
private lateinit var invokeL1: Label
private var generatedInstance: AsmCompiledExpression<T>? = null
init {
asmCompiledClassWriter.visit(
V1_8,
ACC_PUBLIC or ACC_FINAL or ACC_SUPER,
slashesClassName,
"L$ASM_COMPILED_EXPRESSION_CLASS<L$T_CLASS;>;",
ASM_COMPILED_EXPRESSION_CLASS,
arrayOf()
)
asmCompiledClassWriter.run {
visitMethod(ACC_PUBLIC, "<init>", "(L$ALGEBRA_CLASS;L$LIST_CLASS;)V", null, null).run {
val thisVar = 0
val algebraVar = 1
val constantsVar = 2
val l0 = Label()
visitLabel(l0)
visitVarInsn(ALOAD, thisVar)
visitVarInsn(ALOAD, algebraVar)
visitVarInsn(ALOAD, constantsVar)
visitMethodInsn(
INVOKESPECIAL,
ASM_COMPILED_EXPRESSION_CLASS,
"<init>",
"(L$ALGEBRA_CLASS;L$LIST_CLASS;)V",
false
)
val l1 = Label()
visitLabel(l1)
visitInsn(RETURN)
val l2 = Label()
visitLabel(l2)
visitLocalVariable("this", "L$slashesClassName;", null, l0, l2, thisVar)
visitLocalVariable(
"algebra",
"L$ALGEBRA_CLASS;",
"L$ALGEBRA_CLASS<L$T_CLASS;>;",
l0,
l2,
algebraVar
)
visitLocalVariable("constants", "L$LIST_CLASS;", "L$LIST_CLASS<L$T_CLASS;>;", l0, l2, constantsVar)
visitMaxs(3, 3)
visitEnd()
}
invokeMethodVisitor = visitMethod(
ACC_PUBLIC or ACC_FINAL,
"invoke",
"(L$MAP_CLASS;)L$T_CLASS;",
"(L$MAP_CLASS<L$STRING_CLASS;+L$T_CLASS;>;)L$T_CLASS;",
null
)
invokeMethodVisitor.run {
visitCode()
invokeL0 = Label()
visitLabel(invokeL0)
}
}
}
@PublishedApi
@Suppress("UNCHECKED_CAST")
internal fun generate(): AsmCompiledExpression<T> {
generatedInstance?.let { return it }
invokeMethodVisitor.run {
visitInsn(ARETURN)
invokeL1 = Label()
visitLabel(invokeL1)
visitLocalVariable(
"this",
"L$slashesClassName;",
T_CLASS,
invokeL0,
invokeL1,
invokeThisVar
)
visitLocalVariable(
"arguments",
"L$MAP_CLASS;",
"L$MAP_CLASS<L$STRING_CLASS;+L$T_CLASS;>;",
invokeL0,
invokeL1,
invokeArgumentsVar
)
visitMaxs(maxStack + 1, 2)
visitEnd()
}
asmCompiledClassWriter.visitMethod(
ACC_PUBLIC or ACC_FINAL or ACC_BRIDGE or ACC_SYNTHETIC,
"invoke",
"(L$MAP_CLASS;)L$OBJECT_CLASS;",
null,
null
).run {
val thisVar = 0
visitCode()
val l0 = Label()
visitLabel(l0)
visitVarInsn(ALOAD, 0)
visitVarInsn(ALOAD, 1)
visitMethodInsn(INVOKEVIRTUAL, slashesClassName, "invoke", "(L$MAP_CLASS;)L$T_CLASS;", false)
visitInsn(ARETURN)
val l1 = Label()
visitLabel(l1)
visitLocalVariable(
"this",
"L$slashesClassName;",
T_CLASS,
l0,
l1,
thisVar
)
visitMaxs(2, 2)
visitEnd()
}
asmCompiledClassWriter.visitEnd()
val new = classLoader
.defineClass(className, asmCompiledClassWriter.toByteArray())
.constructors
.first()
.newInstance(algebra, constants) as AsmCompiledExpression<T>
generatedInstance = new
return new
}
internal fun visitLoadFromConstants(value: T) = visitLoadAnyFromConstants(value as Any, T_CLASS)
private fun visitLoadAnyFromConstants(value: Any, type: String) {
val idx = if (value in constants) constants.indexOf(value) else constants.apply { add(value) }.lastIndex
maxStack++
invokeMethodVisitor.run {
visitLoadThis()
visitFieldInsn(GETFIELD, slashesClassName, "constants", "L$LIST_CLASS;")
visitLdcOrIConstInsn(idx)
visitMethodInsn(INVOKEINTERFACE, LIST_CLASS, "get", "(I)L$OBJECT_CLASS;", true)
invokeMethodVisitor.visitTypeInsn(CHECKCAST, type)
}
}
private fun visitLoadThis(): Unit = invokeMethodVisitor.visitVarInsn(ALOAD, invokeThisVar)
internal fun visitNumberConstant(value: Number) {
maxStack++
val clazz = value.javaClass
val c = clazz.name.replace('.', '/')
val sigLetter = SIGNATURE_LETTERS[clazz]
if (sigLetter != null) {
when (value) {
is Int -> invokeMethodVisitor.visitLdcOrIConstInsn(value)
is Double -> invokeMethodVisitor.visitLdcOrDConstInsn(value)
is Float -> invokeMethodVisitor.visitLdcOrFConstInsn(value)
else -> invokeMethodVisitor.visitLdcInsn(value)
}
invokeMethodVisitor.visitMethodInsn(INVOKESTATIC, c, "valueOf", "($sigLetter)L${c};", false)
return
}
visitLoadAnyFromConstants(value, c)
}
internal fun visitLoadFromVariables(name: String, defaultValue: T? = null) = invokeMethodVisitor.run {
maxStack += 2
visitVarInsn(ALOAD, invokeArgumentsVar)
if (defaultValue != null) {
visitLdcInsn(name)
visitLoadFromConstants(defaultValue)
visitMethodInsn(
INVOKEINTERFACE,
MAP_CLASS,
"getOrDefault",
"(L$OBJECT_CLASS;L$OBJECT_CLASS;)L$OBJECT_CLASS;",
true
)
visitCastToT()
return
}
visitLdcInsn(name)
visitMethodInsn(INVOKEINTERFACE, MAP_CLASS, "get", "(L$OBJECT_CLASS;)L$OBJECT_CLASS;", true)
visitCastToT()
}
internal fun visitLoadAlgebra() {
invokeMethodVisitor.visitVarInsn(ALOAD, invokeThisVar)
invokeMethodVisitor.visitFieldInsn(
GETFIELD,
ASM_COMPILED_EXPRESSION_CLASS, "algebra", "L$ALGEBRA_CLASS;"
)
invokeMethodVisitor.visitTypeInsn(CHECKCAST, T_ALGEBRA_CLASS)
}
internal fun visitAlgebraOperation(owner: String, method: String, descriptor: String) {
maxStack++
invokeMethodVisitor.visitMethodInsn(INVOKEINTERFACE, owner, method, descriptor, true)
visitCastToT()
}
private fun visitCastToT(): Unit = invokeMethodVisitor.visitTypeInsn(CHECKCAST, T_CLASS)
internal companion object {
private val SIGNATURE_LETTERS = mapOf(
java.lang.Byte::class.java to "B",
java.lang.Short::class.java to "S",
java.lang.Integer::class.java to "I",
java.lang.Long::class.java to "J",
java.lang.Float::class.java to "F",
java.lang.Double::class.java to "D"
)
internal const val ASM_COMPILED_EXPRESSION_CLASS = "scientifik/kmath/expressions/AsmCompiledExpression"
internal const val LIST_CLASS = "java/util/List"
internal const val MAP_CLASS = "java/util/Map"
internal const val OBJECT_CLASS = "java/lang/Object"
internal const val ALGEBRA_CLASS = "scientifik/kmath/operations/Algebra"
internal const val SPACE_OPERATIONS_CLASS = "scientifik/kmath/operations/SpaceOperations"
internal const val STRING_CLASS = "java/lang/String"
internal const val FIELD_OPERATIONS_CLASS = "scientifik/kmath/operations/FieldOperations"
internal const val RING_OPERATIONS_CLASS = "scientifik/kmath/operations/RingOperations"
internal const val NUMBER_CLASS = "java/lang/Number"
}
}
interface AsmExpression<T> {
fun invoke(gen: AsmGenerationContext<T>)
}
@ -383,35 +90,3 @@ internal class AsmDivExpression<T>(
)
}
}
open class AsmExpressionSpace<T>(space: Space<T>) : Space<AsmExpression<T>>,
ExpressionSpace<T, AsmExpression<T>> {
override val zero: AsmExpression<T> = AsmConstantExpression(space.zero)
override fun const(value: T): AsmExpression<T> = AsmConstantExpression(value)
override fun variable(name: String, default: T?): AsmExpression<T> = AsmVariableExpression(name, default)
override fun add(a: AsmExpression<T>, b: AsmExpression<T>): AsmExpression<T> = AsmSumExpression(a, b)
override fun multiply(a: AsmExpression<T>, k: Number): AsmExpression<T> = AsmConstProductExpression(a, k)
operator fun AsmExpression<T>.plus(arg: T) = this + const(arg)
operator fun AsmExpression<T>.minus(arg: T) = this - const(arg)
operator fun T.plus(arg: AsmExpression<T>) = arg + this
operator fun T.minus(arg: AsmExpression<T>) = arg - this
}
class AsmExpressionField<T>(private val field: Field<T>) : ExpressionField<T, AsmExpression<T>>,
AsmExpressionSpace<T>(field) {
override val one: AsmExpression<T>
get() = const(this.field.one)
override fun number(value: Number): AsmExpression<T> = const(field.run { one * value })
override fun multiply(a: AsmExpression<T>, b: AsmExpression<T>): AsmExpression<T> =
AsmProductExpression(a, b)
override fun divide(a: AsmExpression<T>, b: AsmExpression<T>): AsmExpression<T> =
AsmDivExpression(a, b)
operator fun AsmExpression<T>.times(arg: T) = this * const(arg)
operator fun AsmExpression<T>.div(arg: T) = this / const(arg)
operator fun T.times(arg: AsmExpression<T>) = arg * this
operator fun T.div(arg: AsmExpression<T>) = arg / this
}

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@ -0,0 +1,283 @@
package scientifik.kmath.expressions
import org.objectweb.asm.ClassWriter
import org.objectweb.asm.Label
import org.objectweb.asm.MethodVisitor
import org.objectweb.asm.Opcodes
import scientifik.kmath.operations.Algebra
class AsmGenerationContext<T>(
classOfT: Class<*>,
private val algebra: Algebra<T>,
private val className: String
) {
private class ClassLoader(parent: java.lang.ClassLoader) : java.lang.ClassLoader(parent) {
internal fun defineClass(name: String?, b: ByteArray): Class<*> = defineClass(name, b, 0, b.size)
}
private val classLoader: ClassLoader = ClassLoader(javaClass.classLoader)
@Suppress("PrivatePropertyName")
private val T_ALGEBRA_CLASS: String = algebra.javaClass.name.replace(oldChar = '.', newChar = '/')
@Suppress("PrivatePropertyName")
private val T_CLASS: String = classOfT.name.replace('.', '/')
private val slashesClassName: String = className.replace(oldChar = '.', newChar = '/')
private val invokeThisVar: Int = 0
private val invokeArgumentsVar: Int = 1
private var maxStack: Int = 0
private val constants: MutableList<Any> = mutableListOf()
private val asmCompiledClassWriter: ClassWriter =
ClassWriter(0)
private val invokeMethodVisitor: MethodVisitor
private val invokeL0: Label
private lateinit var invokeL1: Label
private var generatedInstance: AsmCompiledExpression<T>? = null
init {
asmCompiledClassWriter.visit(
Opcodes.V1_8,
Opcodes.ACC_PUBLIC or Opcodes.ACC_FINAL or Opcodes.ACC_SUPER,
slashesClassName,
"L$ASM_COMPILED_EXPRESSION_CLASS<L$T_CLASS;>;",
ASM_COMPILED_EXPRESSION_CLASS,
arrayOf()
)
asmCompiledClassWriter.run {
visitMethod(Opcodes.ACC_PUBLIC, "<init>", "(L$ALGEBRA_CLASS;L$LIST_CLASS;)V", null, null).run {
val thisVar = 0
val algebraVar = 1
val constantsVar = 2
val l0 = Label()
visitLabel(l0)
visitVarInsn(Opcodes.ALOAD, thisVar)
visitVarInsn(Opcodes.ALOAD, algebraVar)
visitVarInsn(Opcodes.ALOAD, constantsVar)
visitMethodInsn(
Opcodes.INVOKESPECIAL,
ASM_COMPILED_EXPRESSION_CLASS,
"<init>",
"(L$ALGEBRA_CLASS;L$LIST_CLASS;)V",
false
)
val l1 = Label()
visitLabel(l1)
visitInsn(Opcodes.RETURN)
val l2 = Label()
visitLabel(l2)
visitLocalVariable("this", "L$slashesClassName;", null, l0, l2, thisVar)
visitLocalVariable(
"algebra",
"L$ALGEBRA_CLASS;",
"L$ALGEBRA_CLASS<L$T_CLASS;>;",
l0,
l2,
algebraVar
)
visitLocalVariable("constants", "L$LIST_CLASS;", "L$LIST_CLASS<L$T_CLASS;>;", l0, l2, constantsVar)
visitMaxs(3, 3)
visitEnd()
}
invokeMethodVisitor = visitMethod(
Opcodes.ACC_PUBLIC or Opcodes.ACC_FINAL,
"invoke",
"(L$MAP_CLASS;)L$T_CLASS;",
"(L$MAP_CLASS<L$STRING_CLASS;+L$T_CLASS;>;)L$T_CLASS;",
null
)
invokeMethodVisitor.run {
visitCode()
invokeL0 = Label()
visitLabel(invokeL0)
}
}
}
@PublishedApi
@Suppress("UNCHECKED_CAST")
internal fun generate(): AsmCompiledExpression<T> {
generatedInstance?.let { return it }
invokeMethodVisitor.run {
visitInsn(Opcodes.ARETURN)
invokeL1 = Label()
visitLabel(invokeL1)
visitLocalVariable(
"this",
"L$slashesClassName;",
T_CLASS,
invokeL0,
invokeL1,
invokeThisVar
)
visitLocalVariable(
"arguments",
"L$MAP_CLASS;",
"L$MAP_CLASS<L$STRING_CLASS;+L$T_CLASS;>;",
invokeL0,
invokeL1,
invokeArgumentsVar
)
visitMaxs(maxStack + 1, 2)
visitEnd()
}
asmCompiledClassWriter.visitMethod(
Opcodes.ACC_PUBLIC or Opcodes.ACC_FINAL or Opcodes.ACC_BRIDGE or Opcodes.ACC_SYNTHETIC,
"invoke",
"(L$MAP_CLASS;)L$OBJECT_CLASS;",
null,
null
).run {
val thisVar = 0
visitCode()
val l0 = Label()
visitLabel(l0)
visitVarInsn(Opcodes.ALOAD, 0)
visitVarInsn(Opcodes.ALOAD, 1)
visitMethodInsn(Opcodes.INVOKEVIRTUAL, slashesClassName, "invoke", "(L$MAP_CLASS;)L$T_CLASS;", false)
visitInsn(Opcodes.ARETURN)
val l1 = Label()
visitLabel(l1)
visitLocalVariable(
"this",
"L$slashesClassName;",
T_CLASS,
l0,
l1,
thisVar
)
visitMaxs(2, 2)
visitEnd()
}
asmCompiledClassWriter.visitEnd()
val new = classLoader
.defineClass(className, asmCompiledClassWriter.toByteArray())
.constructors
.first()
.newInstance(algebra, constants) as AsmCompiledExpression<T>
generatedInstance = new
return new
}
internal fun visitLoadFromConstants(value: T) = visitLoadAnyFromConstants(value as Any, T_CLASS)
private fun visitLoadAnyFromConstants(value: Any, type: String) {
val idx = if (value in constants) constants.indexOf(value) else constants.apply { add(value) }.lastIndex
maxStack++
invokeMethodVisitor.run {
visitLoadThis()
visitFieldInsn(Opcodes.GETFIELD, slashesClassName, "constants", "L$LIST_CLASS;")
visitLdcOrIConstInsn(idx)
visitMethodInsn(Opcodes.INVOKEINTERFACE, LIST_CLASS, "get", "(I)L$OBJECT_CLASS;", true)
invokeMethodVisitor.visitTypeInsn(Opcodes.CHECKCAST, type)
}
}
private fun visitLoadThis(): Unit = invokeMethodVisitor.visitVarInsn(Opcodes.ALOAD, invokeThisVar)
internal fun visitNumberConstant(value: Number) {
maxStack++
val clazz = value.javaClass
val c = clazz.name.replace('.', '/')
val sigLetter = SIGNATURE_LETTERS[clazz]
if (sigLetter != null) {
when (value) {
is Int -> invokeMethodVisitor.visitLdcOrIConstInsn(value)
is Double -> invokeMethodVisitor.visitLdcOrDConstInsn(value)
is Float -> invokeMethodVisitor.visitLdcOrFConstInsn(value)
else -> invokeMethodVisitor.visitLdcInsn(value)
}
invokeMethodVisitor.visitMethodInsn(Opcodes.INVOKESTATIC, c, "valueOf", "($sigLetter)L${c};", false)
return
}
visitLoadAnyFromConstants(value, c)
}
internal fun visitLoadFromVariables(name: String, defaultValue: T? = null) = invokeMethodVisitor.run {
maxStack += 2
visitVarInsn(Opcodes.ALOAD, invokeArgumentsVar)
if (defaultValue != null) {
visitLdcInsn(name)
visitLoadFromConstants(defaultValue)
visitMethodInsn(
Opcodes.INVOKEINTERFACE,
MAP_CLASS,
"getOrDefault",
"(L$OBJECT_CLASS;L$OBJECT_CLASS;)L$OBJECT_CLASS;",
true
)
visitCastToT()
return
}
visitLdcInsn(name)
visitMethodInsn(Opcodes.INVOKEINTERFACE, MAP_CLASS, "get", "(L$OBJECT_CLASS;)L$OBJECT_CLASS;", true)
visitCastToT()
}
internal fun visitLoadAlgebra() {
invokeMethodVisitor.visitVarInsn(Opcodes.ALOAD, invokeThisVar)
invokeMethodVisitor.visitFieldInsn(
Opcodes.GETFIELD,
ASM_COMPILED_EXPRESSION_CLASS, "algebra", "L$ALGEBRA_CLASS;"
)
invokeMethodVisitor.visitTypeInsn(Opcodes.CHECKCAST, T_ALGEBRA_CLASS)
}
internal fun visitAlgebraOperation(owner: String, method: String, descriptor: String) {
maxStack++
invokeMethodVisitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, owner, method, descriptor, true)
visitCastToT()
}
private fun visitCastToT(): Unit = invokeMethodVisitor.visitTypeInsn(Opcodes.CHECKCAST, T_CLASS)
internal companion object {
private val SIGNATURE_LETTERS = mapOf(
java.lang.Byte::class.java to "B",
java.lang.Short::class.java to "S",
java.lang.Integer::class.java to "I",
java.lang.Long::class.java to "J",
java.lang.Float::class.java to "F",
java.lang.Double::class.java to "D"
)
internal const val ASM_COMPILED_EXPRESSION_CLASS = "scientifik/kmath/expressions/AsmCompiledExpression"
internal const val LIST_CLASS = "java/util/List"
internal const val MAP_CLASS = "java/util/Map"
internal const val OBJECT_CLASS = "java/lang/Object"
internal const val ALGEBRA_CLASS = "scientifik/kmath/operations/Algebra"
internal const val SPACE_OPERATIONS_CLASS = "scientifik/kmath/operations/SpaceOperations"
internal const val STRING_CLASS = "java/lang/String"
internal const val FIELD_OPERATIONS_CLASS = "scientifik/kmath/operations/FieldOperations"
internal const val RING_OPERATIONS_CLASS = "scientifik/kmath/operations/RingOperations"
internal const val NUMBER_CLASS = "java/lang/Number"
}
}

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@ -0,0 +1,38 @@
package scientifik.kmath.expressions
import scientifik.kmath.operations.Field
import scientifik.kmath.operations.Space
@PublishedApi
internal fun buildName(expression: AsmExpression<*>, collision: Int = 0): String {
val name = "scientifik.kmath.expressions.generated.AsmCompiledExpression_${expression.hashCode()}_$collision"
try {
Class.forName(name)
} catch (ignored: ClassNotFoundException) {
return name
}
return buildName(expression, collision + 1)
}
inline fun <reified T> asmSpace(
algebra: Space<T>,
block: AsmExpressionSpace<T>.() -> AsmExpression<T>
): Expression<T> {
val expression = AsmExpressionSpace(algebra).block()
val ctx = AsmGenerationContext(T::class.java, algebra, buildName(expression))
expression.invoke(ctx)
return ctx.generate()
}
inline fun <reified T> asmField(
algebra: Field<T>,
block: AsmExpressionField<T>.() -> AsmExpression<T>
): Expression<T> {
val expression = AsmExpressionField(algebra).block()
val ctx = AsmGenerationContext(T::class.java, algebra, buildName(expression))
expression.invoke(ctx)
return ctx.generate()
}

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@ -64,7 +64,7 @@ class AsmTest {
)
@Test
fun testCProductWithOtherTypeNumber() = testDoubleExpressionValue(
fun testCProductWithOtherTypeNumber(): Unit = testDoubleExpressionValue(
25.0,
AsmConstProductExpression(AsmVariableExpression("x"), 5f),
mapOf("x" to 5.0)
@ -81,21 +81,21 @@ class AsmTest {
}
@Test
fun testCProductWithCustomTypeNumber() = testDoubleExpressionValue(
fun testCProductWithCustomTypeNumber(): Unit = testDoubleExpressionValue(
0.0,
AsmConstProductExpression(AsmVariableExpression("x"), CustomZero),
mapOf("x" to 5.0)
)
@Test
fun testVar() = testDoubleExpressionValue(
fun testVar(): Unit = testDoubleExpressionValue(
10000.0,
AsmVariableExpression("x"),
mapOf("x" to 10000.0)
)
@Test
fun testVarWithDefault() = testDoubleExpressionValue(
fun testVarWithDefault(): Unit = testDoubleExpressionValue(
10000.0,
AsmVariableExpression("x", 10000.0),
mapOf()