Package ai.timefold.jpyinterpreter.implementors

Class StackManipulationImplementor

java.lang.Object

ai.timefold.jpyinterpreter.implementors.StackManipulationImplementor

public class StackManipulationImplementor
extends Object

Implementations of stack manipulation opcodes (rotations, pop, duplication, etc.)

Constructor Summary

Constructors

Constructor	Description
StackManipulationImplementor()

Method Summary

Modifier and Type	Method	Description
static void	duplicateTOS(org.objectweb.asm.MethodVisitor methodVisitor)	Duplicates TOS.
static void	duplicateTOSAndTOS1(org.objectweb.asm.MethodVisitor methodVisitor)	Duplicates TOS and TOS1.
static void	duplicateToTOS(FunctionMetadata functionMetadata, StackMetadata stackMetadata, int posFromTOS)	Copies TOS[posFromTOS] to TOS, leaving other stack elements in their original place (i.e. ..., TOS[posFromTOS], ..., TOS2, TOS1, TOS -> ..., TOS[posFromTOS], ..., TOS2, TOS1, TOS, TOS[posFromTOS])
static void	popTOS(org.objectweb.asm.MethodVisitor methodVisitor)	Pops TOS.
static void	restoreExceptionTableStack(FunctionMetadata functionMetadata, StackMetadata stackMetadata, ExceptionBlock exceptionBlock)
static void	restoreStack(org.objectweb.asm.MethodVisitor methodVisitor, StackMetadata stackMetadata, int[] stackLocalVariables)
static void	rotateFour(FunctionMetadata functionMetadata, StackMetadata stackMetadata)	Move TOS down three places, and pushes TOS1, TOS2 and TOS3 up one: (i.e. ..., TOS3, TOS2, TOS1, TOS -> ..., TOS, TOS3, TOS2, TOS1)
static void	rotateThree(org.objectweb.asm.MethodVisitor methodVisitor)	Move TOS down two places, and pushes TOS1 and TOS2 up one: (i.e. ..., TOS2, TOS1, TOS -> ..., TOS, TOS2, TOS1)
static StackMetadata	shiftTOSDownBy(FunctionMetadata functionMetadata, StackMetadata stackMetadata, int posFromTOS)	Copies TOS to TOS[posFromTOS], moving other stack elements up by one (i.e. ..., TOS[posFromTOS], ..., TOS2, TOS1, TOS -> ..., TOS, TOS[posFromTOS] ..., TOS2, TOS1)
static void	storeExceptionTableStack(FunctionMetadata functionMetadata, StackMetadata stackMetadata, ExceptionBlock exceptionBlock)
static int[]	storeStack(org.objectweb.asm.MethodVisitor methodVisitor, StackMetadata stackMetadata)
static void	swap(org.objectweb.asm.MethodVisitor methodVisitor)	Swaps TOS and TOS1: (i.e. ..., TOS1, TOS -> ..., TOS, TOS1)
static StackMetadata	swapTOSWithIndex(FunctionMetadata functionMetadata, StackMetadata stackMetadata, int posFromTOS)	Swaps TOS with TOS[posFromTOS] (i.e. ..., TOS[posFromTOS], ..., TOS2, TOS1, TOS -> ..., TOS, ..., TOS2, TOS1, TOS[posFromTOS])

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

StackManipulationImplementor

public StackManipulationImplementor()

Method Details

swap

public static void swap(org.objectweb.asm.MethodVisitor methodVisitor)

Swaps TOS and TOS1: (i.e. ..., TOS1, TOS -> ..., TOS, TOS1)

rotateThree

public static void rotateThree(org.objectweb.asm.MethodVisitor methodVisitor)

Move TOS down two places, and pushes TOS1 and TOS2 up one: (i.e. ..., TOS2, TOS1, TOS -> ..., TOS, TOS2, TOS1)

rotateFour

public static void rotateFour(FunctionMetadata functionMetadata,
 StackMetadata stackMetadata)

Move TOS down three places, and pushes TOS1, TOS2 and TOS3 up one: (i.e. ..., TOS3, TOS2, TOS1, TOS -> ..., TOS, TOS3, TOS2, TOS1)

popTOS

public static void popTOS(org.objectweb.asm.MethodVisitor methodVisitor)

Pops TOS. (i.e. ..., TOS -> ...)

duplicateTOS

public static void duplicateTOS(org.objectweb.asm.MethodVisitor methodVisitor)

Duplicates TOS. (i.e. ..., TOS -> ..., TOS, TOS)

duplicateTOSAndTOS1

public static void duplicateTOSAndTOS1(org.objectweb.asm.MethodVisitor methodVisitor)

Duplicates TOS and TOS1. (i.e. ..., TOS1, TOS -> ..., TOS1, TOS, TOS1, TOS)

duplicateToTOS

public static void duplicateToTOS(FunctionMetadata functionMetadata,
 StackMetadata stackMetadata,
 int posFromTOS)

Copies TOS[posFromTOS] to TOS, leaving other stack elements in their original place (i.e. ..., TOS[posFromTOS], ..., TOS2, TOS1, TOS -> ..., TOS[posFromTOS], ..., TOS2, TOS1, TOS, TOS[posFromTOS])

shiftTOSDownBy

public static StackMetadata shiftTOSDownBy(FunctionMetadata functionMetadata,
 StackMetadata stackMetadata,
 int posFromTOS)

Copies TOS to TOS[posFromTOS], moving other stack elements up by one (i.e. ..., TOS[posFromTOS], ..., TOS2, TOS1, TOS -> ..., TOS, TOS[posFromTOS] ..., TOS2, TOS1)

swapTOSWithIndex

public static StackMetadata swapTOSWithIndex(FunctionMetadata functionMetadata,
 StackMetadata stackMetadata,
 int posFromTOS)

Swaps TOS with TOS[posFromTOS] (i.e. ..., TOS[posFromTOS], ..., TOS2, TOS1, TOS -> ..., TOS, ..., TOS2, TOS1, TOS[posFromTOS])

storeStack

public static int[] storeStack(org.objectweb.asm.MethodVisitor methodVisitor,
 StackMetadata stackMetadata)

restoreStack

public static void restoreStack(org.objectweb.asm.MethodVisitor methodVisitor,
 StackMetadata stackMetadata,
 int[] stackLocalVariables)

storeExceptionTableStack

public static void storeExceptionTableStack(FunctionMetadata functionMetadata,
 StackMetadata stackMetadata,
 ExceptionBlock exceptionBlock)

restoreExceptionTableStack

public static void restoreExceptionTableStack(FunctionMetadata functionMetadata,
 StackMetadata stackMetadata,
 ExceptionBlock exceptionBlock)