forked from kscience/kmath
Merge pull request #105 from CommanderTvis/adv-expr-refactor-agc
Refactor ASM generation code
This commit is contained in:
Alexander Nozik
GitHub
commit
7c769bf74a
@ -1,6 +1,7 @@
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package scientifik.kmath.asm
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import scientifik.kmath.asm.internal.AsmBuilder
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import scientifik.kmath.asm.internal.buildName
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import scientifik.kmath.asm.internal.hasSpecific
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import scientifik.kmath.asm.internal.tryInvokeSpecific
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import scientifik.kmath.ast.MST
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@ -11,44 +12,30 @@ import scientifik.kmath.expressions.Expression
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import scientifik.kmath.operations.*
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import kotlin.reflect.KClass
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/**
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* Compile given MST to an Expression using AST compiler
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*/
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fun <T : Any> MST.compileWith(type: KClass<T>, algebra: Algebra<T>): Expression<T> {
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fun buildName(mst: MST, collision: Int = 0): String {
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val name = "scientifik.kmath.expressions.generated.AsmCompiledExpression_${mst.hashCode()}_$collision"
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try {
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Class.forName(name)
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} catch (ignored: ClassNotFoundException) {
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return name
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}
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return buildName(mst, collision + 1)
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}
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fun AsmBuilder<T>.visit(node: MST): Unit {
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fun AsmBuilder<T>.visit(node: MST) {
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when (node) {
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is MST.Symbolic -> visitLoadFromVariables(node.value)
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is MST.Symbolic -> loadVariable(node.value)
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is MST.Numeric -> {
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val constant = if (algebra is NumericAlgebra<T>) {
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algebra.number(node.value)
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} else {
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error("Number literals are not supported in $algebra")
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}
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visitLoadFromConstants(constant)
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loadTConstant(constant)
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}
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is MST.Unary -> {
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visitLoadAlgebra()
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loadAlgebra()
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if (!hasSpecific(algebra, node.operation, 1)) visitStringConstant(node.operation)
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if (!hasSpecific(algebra, node.operation, 1)) loadStringConstant(node.operation)
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visit(node.value)
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if (!tryInvokeSpecific(algebra, node.operation, 1)) {
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visitAlgebraOperation(
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invokeAlgebraOperation(
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owner = AsmBuilder.ALGEBRA_CLASS,
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method = "unaryOperation",
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descriptor = "(L${AsmBuilder.STRING_CLASS};" +
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@ -58,17 +45,17 @@ fun <T : Any> MST.compileWith(type: KClass<T>, algebra: Algebra<T>): Expression<
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}
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}
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is MST.Binary -> {
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visitLoadAlgebra()
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loadAlgebra()
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if (!hasSpecific(algebra, node.operation, 2))
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visitStringConstant(node.operation)
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loadStringConstant(node.operation)
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visit(node.left)
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visit(node.right)
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if (!tryInvokeSpecific(algebra, node.operation, 2)) {
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visitAlgebraOperation(
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invokeAlgebraOperation(
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owner = AsmBuilder.ALGEBRA_CLASS,
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method = "binaryOperation",
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descriptor = "(L${AsmBuilder.STRING_CLASS};" +
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@ -81,9 +68,7 @@ fun <T : Any> MST.compileWith(type: KClass<T>, algebra: Algebra<T>): Expression<
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}
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}
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val builder = AsmBuilder(type.java, algebra, buildName(this))
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builder.visit(this)
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return builder.generate()
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return AsmBuilder(type.java, algebra, buildName(this)) { visit(this@compileWith) }.getInstance()
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}
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inline fun <reified T : Any> Algebra<T>.compile(mst: MST): Expression<T> = mst.compileWith(T::class, this)
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@ -4,41 +4,29 @@ import org.objectweb.asm.ClassWriter
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import org.objectweb.asm.Label
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import org.objectweb.asm.MethodVisitor
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import org.objectweb.asm.Opcodes
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import scientifik.kmath.asm.internal.AsmBuilder.AsmClassLoader
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import scientifik.kmath.expressions.Expression
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import scientifik.kmath.asm.internal.AsmBuilder.ClassLoader
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import scientifik.kmath.operations.Algebra
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private abstract class FunctionalCompiledExpression<T> internal constructor(
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@JvmField protected val algebra: Algebra<T>,
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@JvmField protected val constants: Array<Any>
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) : Expression<T> {
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abstract override fun invoke(arguments: Map<String, T>): T
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}
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/**
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* AsmGenerationContext is a structure that abstracts building a class that unwraps [AsmNode] to plain Java
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* expression. This class uses [AsmClassLoader] for loading the generated class, then it is able to instantiate the new
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* class.
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* ASM Builder is a structure that abstracts building a class that unwraps [AsmExpression] to plain Java expression.
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* This class uses [ClassLoader] for loading the generated class, then it is able to instantiate the new class.
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*
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* @param T the type of AsmExpression to unwrap.
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* @param algebra the algebra the applied AsmExpressions use.
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* @param className the unique class name of new loaded class.
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*
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* @author [Iaroslav Postovalov](https://github.com/CommanderTvis)
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*/
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internal class AsmBuilder<T>(
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internal class AsmBuilder<T> internal constructor(
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private val classOfT: Class<*>,
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private val algebra: Algebra<T>,
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private val className: String
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private val className: String,
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private val invokeLabel0Visitor: AsmBuilder<T>.() -> Unit
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) {
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private class AsmClassLoader(parent: ClassLoader) : ClassLoader(parent) {
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private class ClassLoader(parent: java.lang.ClassLoader) : java.lang.ClassLoader(parent) {
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internal fun defineClass(name: String?, b: ByteArray): Class<*> = defineClass(name, b, 0, b.size)
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}
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private val classLoader: AsmClassLoader =
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AsmClassLoader(javaClass.classLoader)
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private val classLoader: ClassLoader =
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ClassLoader(javaClass.classLoader)
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@Suppress("PrivatePropertyName")
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private val T_ALGEBRA_CLASS: String = algebra.javaClass.name.replace(oldChar = '.', newChar = '/')
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@ -49,15 +37,16 @@ internal class AsmBuilder<T>(
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private val slashesClassName: String = className.replace(oldChar = '.', newChar = '/')
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private val invokeThisVar: Int = 0
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private val invokeArgumentsVar: Int = 1
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private var maxStack: Int = 0
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private val constants: MutableList<Any> = mutableListOf()
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private val asmCompiledClassWriter: ClassWriter = ClassWriter(0)
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private val invokeMethodVisitor: MethodVisitor
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private val invokeL0: Label
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private lateinit var invokeL1: Label
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private lateinit var invokeMethodVisitor: MethodVisitor
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private var generatedInstance: AsmCompiledExpression<T>? = null
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init {
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asmCompiledClassWriter.visit(
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@Suppress("UNCHECKED_CAST")
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fun getInstance(): AsmCompiledExpression<T> {
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generatedInstance?.let { return it }
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val classWriter = ClassWriter(ClassWriter.COMPUTE_FRAMES) {
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visit(
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Opcodes.V1_8,
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Opcodes.ACC_PUBLIC or Opcodes.ACC_FINAL or Opcodes.ACC_SUPER,
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slashesClassName,
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@ -66,28 +55,31 @@ internal class AsmBuilder<T>(
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arrayOf()
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)
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asmCompiledClassWriter.run {
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visitMethod(Opcodes.ACC_PUBLIC, "<init>", "(L$ALGEBRA_CLASS;[L$OBJECT_CLASS;)V", null, null).run {
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visitMethod(
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access = Opcodes.ACC_PUBLIC,
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name = "<init>",
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descriptor = "(L$ALGEBRA_CLASS;[L$OBJECT_CLASS;)V",
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signature = null,
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exceptions = null
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) {
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val thisVar = 0
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val algebraVar = 1
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val constantsVar = 2
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val l0 = Label()
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visitLabel(l0)
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visitVarInsn(Opcodes.ALOAD, thisVar)
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visitVarInsn(Opcodes.ALOAD, algebraVar)
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visitVarInsn(Opcodes.ALOAD, constantsVar)
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visitLoadObjectVar(thisVar)
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visitLoadObjectVar(algebraVar)
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visitLoadObjectVar(constantsVar)
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visitMethodInsn(
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Opcodes.INVOKESPECIAL,
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visitInvokeSpecial(
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FUNCTIONAL_COMPILED_EXPRESSION_CLASS,
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"<init>",
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"(L$ALGEBRA_CLASS;[L$OBJECT_CLASS;)V",
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false
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"(L$ALGEBRA_CLASS;[L$OBJECT_CLASS;)V"
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)
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val l1 = Label()
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visitLabel(l1)
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visitInsn(Opcodes.RETURN)
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visitReturn()
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val l2 = Label()
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visitLabel(l2)
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visitLocalVariable("this", "L$slashesClassName;", null, l0, l2, thisVar)
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@ -102,40 +94,32 @@ internal class AsmBuilder<T>(
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)
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visitLocalVariable("constants", "[L$OBJECT_CLASS;", null, l0, l2, constantsVar)
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visitMaxs(3, 3)
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visitMaxs(0, 3)
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visitEnd()
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}
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invokeMethodVisitor = visitMethod(
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Opcodes.ACC_PUBLIC or Opcodes.ACC_FINAL,
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"invoke",
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"(L$MAP_CLASS;)L$T_CLASS;",
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"(L$MAP_CLASS<L$STRING_CLASS;+L$T_CLASS;>;)L$T_CLASS;",
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null
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)
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invokeMethodVisitor.run {
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visitMethod(
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access = Opcodes.ACC_PUBLIC or Opcodes.ACC_FINAL,
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name = "invoke",
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descriptor = "(L$MAP_CLASS;)L$T_CLASS;",
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signature = "(L$MAP_CLASS<L$STRING_CLASS;+L$T_CLASS;>;)L$T_CLASS;",
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exceptions = null
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) {
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invokeMethodVisitor = this
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visitCode()
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invokeL0 = Label()
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visitLabel(invokeL0)
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}
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}
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}
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@Suppress("UNCHECKED_CAST")
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fun generate(): Expression<T> {
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invokeMethodVisitor.run {
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visitInsn(Opcodes.ARETURN)
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invokeL1 = Label()
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visitLabel(invokeL1)
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val l0 = Label()
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visitLabel(l0)
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invokeLabel0Visitor()
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visitReturnObject()
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val l1 = Label()
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visitLabel(l1)
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visitLocalVariable(
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"this",
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"L$slashesClassName;",
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T_CLASS,
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invokeL0,
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invokeL1,
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null,
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l0,
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l1,
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invokeThisVar
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)
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@ -143,30 +127,31 @@ internal class AsmBuilder<T>(
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"arguments",
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"L$MAP_CLASS;",
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"L$MAP_CLASS<L$STRING_CLASS;+L$T_CLASS;>;",
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invokeL0,
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invokeL1,
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l0,
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l1,
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invokeArgumentsVar
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)
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visitMaxs(maxStack + 1, 2)
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visitMaxs(0, 2)
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visitEnd()
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}
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asmCompiledClassWriter.visitMethod(
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Opcodes.ACC_PUBLIC or Opcodes.ACC_FINAL or Opcodes.ACC_BRIDGE or Opcodes.ACC_SYNTHETIC,
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"invoke",
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"(L$MAP_CLASS;)L$OBJECT_CLASS;",
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null,
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null
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).run {
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visitMethod(
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access = Opcodes.ACC_PUBLIC or Opcodes.ACC_FINAL or Opcodes.ACC_BRIDGE or Opcodes.ACC_SYNTHETIC,
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name = "invoke",
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descriptor = "(L$MAP_CLASS;)L$OBJECT_CLASS;",
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signature = null,
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exceptions = null
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) {
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val thisVar = 0
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val argumentsVar = 1
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visitCode()
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val l0 = Label()
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visitLabel(l0)
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visitVarInsn(Opcodes.ALOAD, 0)
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visitVarInsn(Opcodes.ALOAD, 1)
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visitMethodInsn(Opcodes.INVOKEVIRTUAL, slashesClassName, "invoke", "(L$MAP_CLASS;)L$T_CLASS;", false)
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visitInsn(Opcodes.ARETURN)
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visitLoadObjectVar(thisVar)
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visitLoadObjectVar(argumentsVar)
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visitInvokeVirtual(owner = slashesClassName, name = "invoke", descriptor = "(L$MAP_CLASS;)L$T_CLASS;")
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visitReturnObject()
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val l1 = Label()
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visitLabel(l1)
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@ -179,127 +164,123 @@ internal class AsmBuilder<T>(
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thisVar
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)
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visitMaxs(2, 2)
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visitMaxs(0, 2)
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visitEnd()
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}
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asmCompiledClassWriter.visitEnd()
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visitEnd()
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}
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val new = classLoader
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.defineClass(className, asmCompiledClassWriter.toByteArray())
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.defineClass(className, classWriter.toByteArray())
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.constructors
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.first()
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.newInstance(algebra, constants.toTypedArray()) as FunctionalCompiledExpression<T>
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.newInstance(algebra, constants.toTypedArray()) as AsmCompiledExpression<T>
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generatedInstance = new
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return new
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}
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fun visitLoadFromConstants(value: T) {
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internal fun loadTConstant(value: T) {
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if (classOfT in INLINABLE_NUMBERS) {
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visitNumberConstant(value as Number)
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visitCastToT()
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loadNumberConstant(value as Number)
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invokeMethodVisitor.visitCheckCast(T_CLASS)
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return
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}
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visitLoadAnyFromConstants(value as Any, T_CLASS)
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loadConstant(value as Any, T_CLASS)
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}
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private fun visitLoadAnyFromConstants(value: Any, type: String) {
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private fun loadConstant(value: Any, type: String) {
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val idx = if (value in constants) constants.indexOf(value) else constants.apply { add(value) }.lastIndex
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maxStack++
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invokeMethodVisitor.run {
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visitLoadThis()
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visitFieldInsn(Opcodes.GETFIELD, slashesClassName, "constants", "[L$OBJECT_CLASS;")
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visitLdcOrIConstInsn(idx)
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visitInsn(Opcodes.AALOAD)
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invokeMethodVisitor.visitTypeInsn(Opcodes.CHECKCAST, type)
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loadThis()
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visitGetField(owner = slashesClassName, name = "constants", descriptor = "[L$OBJECT_CLASS;")
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visitLdcOrIntConstant(idx)
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visitGetObjectArrayElement()
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invokeMethodVisitor.visitCheckCast(type)
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}
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}
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private fun visitLoadThis(): Unit = invokeMethodVisitor.visitVarInsn(Opcodes.ALOAD, invokeThisVar)
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private fun loadThis(): Unit = invokeMethodVisitor.visitLoadObjectVar(invokeThisVar)
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fun visitNumberConstant(value: Number) {
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maxStack++
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internal fun loadNumberConstant(value: Number) {
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val clazz = value.javaClass
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val c = clazz.name.replace('.', '/')
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val sigLetter = SIGNATURE_LETTERS[clazz]
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if (sigLetter != null) {
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when (value) {
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is Int -> invokeMethodVisitor.visitLdcOrIConstInsn(value)
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is Double -> invokeMethodVisitor.visitLdcOrDConstInsn(value)
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is Float -> invokeMethodVisitor.visitLdcOrFConstInsn(value)
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is Int -> invokeMethodVisitor.visitLdcOrIntConstant(value)
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is Double -> invokeMethodVisitor.visitLdcOrDoubleConstant(value)
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is Float -> invokeMethodVisitor.visitLdcOrFloatConstant(value)
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else -> invokeMethodVisitor.visitLdcInsn(value)
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}
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invokeMethodVisitor.visitMethodInsn(Opcodes.INVOKESTATIC, c, "valueOf", "($sigLetter)L${c};", false)
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invokeMethodVisitor.visitInvokeStatic(c, "valueOf", "($sigLetter)L${c};")
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return
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}
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visitLoadAnyFromConstants(value, c)
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loadConstant(value, c)
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}
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fun visitLoadFromVariables(name: String, defaultValue: T? = null): Unit = invokeMethodVisitor.run {
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maxStack += 2
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visitVarInsn(Opcodes.ALOAD, invokeArgumentsVar)
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internal fun loadVariable(name: String, defaultValue: T? = null): Unit = invokeMethodVisitor.run {
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visitLoadObjectVar(invokeArgumentsVar)
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if (defaultValue != null) {
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visitLdcInsn(name)
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visitLoadFromConstants(defaultValue)
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loadTConstant(defaultValue)
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visitMethodInsn(
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Opcodes.INVOKEINTERFACE,
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MAP_CLASS,
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"getOrDefault",
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"(L$OBJECT_CLASS;L$OBJECT_CLASS;)L$OBJECT_CLASS;",
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true
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visitInvokeInterface(
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owner = MAP_CLASS,
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name = "getOrDefault",
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descriptor = "(L$OBJECT_CLASS;L$OBJECT_CLASS;)L$OBJECT_CLASS;"
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)
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visitCastToT()
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invokeMethodVisitor.visitCheckCast(T_CLASS)
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return
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}
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visitLdcInsn(name)
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visitMethodInsn(
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Opcodes.INVOKEINTERFACE,
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MAP_CLASS, "get", "(L$OBJECT_CLASS;)L$OBJECT_CLASS;", true
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)
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visitCastToT()
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}
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fun visitLoadAlgebra() {
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maxStack++
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invokeMethodVisitor.visitVarInsn(Opcodes.ALOAD, invokeThisVar)
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invokeMethodVisitor.visitFieldInsn(
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Opcodes.GETFIELD,
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FUNCTIONAL_COMPILED_EXPRESSION_CLASS, "algebra", "L$ALGEBRA_CLASS;"
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visitInvokeInterface(
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owner = MAP_CLASS,
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name = "get",
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descriptor = "(L$OBJECT_CLASS;)L$OBJECT_CLASS;"
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)
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invokeMethodVisitor.visitTypeInsn(Opcodes.CHECKCAST, T_ALGEBRA_CLASS)
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invokeMethodVisitor.visitCheckCast(T_CLASS)
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}
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fun visitAlgebraOperation(
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internal fun loadAlgebra() {
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loadThis()
|
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|
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invokeMethodVisitor.visitGetField(
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owner = FUNCTIONAL_COMPILED_EXPRESSION_CLASS,
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name = "algebra",
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descriptor = "L$ALGEBRA_CLASS;"
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)
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invokeMethodVisitor.visitCheckCast(T_ALGEBRA_CLASS)
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}
|
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|
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internal fun invokeAlgebraOperation(
|
||||
owner: String,
|
||||
method: String,
|
||||
descriptor: String,
|
||||
opcode: Int = Opcodes.INVOKEINTERFACE,
|
||||
isInterface: Boolean = true
|
||||
) {
|
||||
maxStack++
|
||||
invokeMethodVisitor.visitMethodInsn(opcode, owner, method, descriptor, isInterface)
|
||||
visitCastToT()
|
||||
invokeMethodVisitor.visitCheckCast(T_CLASS)
|
||||
}
|
||||
|
||||
private fun visitCastToT(): Unit = invokeMethodVisitor.visitTypeInsn(Opcodes.CHECKCAST, T_CLASS)
|
||||
internal fun loadStringConstant(string: String): Unit = invokeMethodVisitor.visitLdcInsn(string)
|
||||
|
||||
fun visitStringConstant(string: String) {
|
||||
invokeMethodVisitor.visitLdcInsn(string)
|
||||
}
|
||||
|
||||
companion object {
|
||||
private val SIGNATURE_LETTERS = mapOf(
|
||||
internal companion object {
|
||||
private val SIGNATURE_LETTERS: Map<Class<out Any>, String> by lazy {
|
||||
mapOf(
|
||||
java.lang.Byte::class.java to "B",
|
||||
java.lang.Short::class.java to "S",
|
||||
java.lang.Integer::class.java to "I",
|
||||
@ -307,15 +288,16 @@ internal class AsmBuilder<T>(
|
||||
java.lang.Float::class.java to "F",
|
||||
java.lang.Double::class.java to "D"
|
||||
)
|
||||
}
|
||||
|
||||
private val INLINABLE_NUMBERS = SIGNATURE_LETTERS.keys
|
||||
private val INLINABLE_NUMBERS: Set<Class<out Any>> by lazy { SIGNATURE_LETTERS.keys }
|
||||
|
||||
const val FUNCTIONAL_COMPILED_EXPRESSION_CLASS = "scientifik/kmath/asm/FunctionalCompiledExpression"
|
||||
const val MAP_CLASS = "java/util/Map"
|
||||
const val OBJECT_CLASS = "java/lang/Object"
|
||||
const val ALGEBRA_CLASS = "scientifik/kmath/operations/Algebra"
|
||||
const val SPACE_OPERATIONS_CLASS = "scientifik/kmath/operations/SpaceOperations"
|
||||
const val STRING_CLASS = "java/lang/String"
|
||||
const val NUMBER_CLASS = "java/lang/Number"
|
||||
internal const val FUNCTIONAL_COMPILED_EXPRESSION_CLASS =
|
||||
"scientifik/kmath/asm/internal/AsmCompiledExpression"
|
||||
|
||||
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 STRING_CLASS = "java/lang/String"
|
||||
}
|
||||
}
|
||||
|
||||
@ -0,0 +1,12 @@
|
||||
package scientifik.kmath.asm.internal
|
||||
|
||||
import scientifik.kmath.expressions.Expression
|
||||
import scientifik.kmath.operations.Algebra
|
||||
|
||||
internal abstract class AsmCompiledExpression<T> internal constructor(
|
||||
@JvmField protected val algebra: Algebra<T>,
|
||||
@JvmField protected val constants: Array<Any>
|
||||
) : Expression<T> {
|
||||
abstract override fun invoke(arguments: Map<String, T>): T
|
||||
}
|
||||
|
||||
@ -0,0 +1,15 @@
|
||||
package scientifik.kmath.asm.internal
|
||||
|
||||
import scientifik.kmath.ast.MST
|
||||
|
||||
internal fun buildName(mst: MST, collision: Int = 0): String {
|
||||
val name = "scientifik.kmath.asm.generated.AsmCompiledExpression_${mst.hashCode()}_$collision"
|
||||
|
||||
try {
|
||||
Class.forName(name)
|
||||
} catch (ignored: ClassNotFoundException) {
|
||||
return name
|
||||
}
|
||||
|
||||
return buildName(mst, collision + 1)
|
||||
}
|
||||
@ -0,0 +1,15 @@
|
||||
package scientifik.kmath.asm.internal
|
||||
|
||||
import org.objectweb.asm.ClassWriter
|
||||
import org.objectweb.asm.MethodVisitor
|
||||
|
||||
internal inline fun ClassWriter(flags: Int, block: ClassWriter.() -> Unit): ClassWriter = ClassWriter(flags).apply(block)
|
||||
|
||||
internal inline fun ClassWriter.visitMethod(
|
||||
access: Int,
|
||||
name: String,
|
||||
descriptor: String,
|
||||
signature: String?,
|
||||
exceptions: Array<String>?,
|
||||
block: MethodVisitor.() -> Unit
|
||||
): MethodVisitor = visitMethod(access, name, descriptor, signature, exceptions).apply(block)
|
||||
@ -3,7 +3,7 @@ package scientifik.kmath.asm.internal
|
||||
import org.objectweb.asm.MethodVisitor
|
||||
import org.objectweb.asm.Opcodes.*
|
||||
|
||||
internal fun MethodVisitor.visitLdcOrIConstInsn(value: Int) = when (value) {
|
||||
internal fun MethodVisitor.visitLdcOrIntConstant(value: Int): Unit = when (value) {
|
||||
-1 -> visitInsn(ICONST_M1)
|
||||
0 -> visitInsn(ICONST_0)
|
||||
1 -> visitInsn(ICONST_1)
|
||||
@ -14,15 +14,39 @@ internal fun MethodVisitor.visitLdcOrIConstInsn(value: Int) = when (value) {
|
||||
else -> visitLdcInsn(value)
|
||||
}
|
||||
|
||||
internal fun MethodVisitor.visitLdcOrDConstInsn(value: Double) = when (value) {
|
||||
internal fun MethodVisitor.visitLdcOrDoubleConstant(value: Double): Unit = when (value) {
|
||||
0.0 -> visitInsn(DCONST_0)
|
||||
1.0 -> visitInsn(DCONST_1)
|
||||
else -> visitLdcInsn(value)
|
||||
}
|
||||
|
||||
internal fun MethodVisitor.visitLdcOrFConstInsn(value: Float) = when (value) {
|
||||
internal fun MethodVisitor.visitLdcOrFloatConstant(value: Float): Unit = when (value) {
|
||||
0f -> visitInsn(FCONST_0)
|
||||
1f -> visitInsn(FCONST_1)
|
||||
2f -> visitInsn(FCONST_2)
|
||||
else -> visitLdcInsn(value)
|
||||
}
|
||||
|
||||
internal fun MethodVisitor.visitInvokeInterface(owner: String, name: String, descriptor: String): Unit =
|
||||
visitMethodInsn(INVOKEINTERFACE, owner, name, descriptor, true)
|
||||
|
||||
internal fun MethodVisitor.visitInvokeVirtual(owner: String, name: String, descriptor: String): Unit =
|
||||
visitMethodInsn(INVOKEVIRTUAL, owner, name, descriptor, false)
|
||||
|
||||
internal fun MethodVisitor.visitInvokeStatic(owner: String, name: String, descriptor: String): Unit =
|
||||
visitMethodInsn(INVOKESTATIC, owner, name, descriptor, false)
|
||||
|
||||
internal fun MethodVisitor.visitInvokeSpecial(owner: String, name: String, descriptor: String): Unit =
|
||||
visitMethodInsn(INVOKESPECIAL, owner, name, descriptor, false)
|
||||
|
||||
internal fun MethodVisitor.visitCheckCast(type: String): Unit = visitTypeInsn(CHECKCAST, type)
|
||||
|
||||
internal fun MethodVisitor.visitGetField(owner: String, name: String, descriptor: String): Unit =
|
||||
visitFieldInsn(GETFIELD, owner, name, descriptor)
|
||||
|
||||
internal fun MethodVisitor.visitLoadObjectVar(`var`: Int): Unit = visitVarInsn(ALOAD, `var`)
|
||||
|
||||
internal fun MethodVisitor.visitGetObjectArrayElement(): Unit = visitInsn(AALOAD)
|
||||
|
||||
internal fun MethodVisitor.visitReturn(): Unit = visitInsn(RETURN)
|
||||
internal fun MethodVisitor.visitReturnObject(): Unit = visitInsn(ARETURN)
|
||||
|
||||
@ -29,7 +29,7 @@ internal fun <T> AsmBuilder<T>.tryInvokeSpecific(context: Algebra<T>, name: Stri
|
||||
append("L${AsmBuilder.OBJECT_CLASS};")
|
||||
}
|
||||
|
||||
visitAlgebraOperation(
|
||||
invokeAlgebraOperation(
|
||||
owner = owner,
|
||||
method = aName,
|
||||
descriptor = sig,
|
||||
@ -39,8 +39,3 @@ internal fun <T> AsmBuilder<T>.tryInvokeSpecific(context: Algebra<T>, name: Stri
|
||||
|
||||
return true
|
||||
}
|
||||
//
|
||||
//internal fun <T : Any> AsmExpression<T>.optimize(): AsmExpression<T> {
|
||||
// val a = tryEvaluate()
|
||||
// return if (a == null) this else AsmConstantExpression(type, algebra, a)
|
||||
//}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user