Class StackInspector

java.lang.Object

de.inetsoftware.jwebassembly.module.StackInspector

class StackInspector
extends Object

Inspect the current parsed instructions to find details over specific stack information.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	StackInspector.StackValue	Hold the state of the stack.

Constructor Summary

Constructors

Constructor	Description
StackInspector()

Method Summary

Modifier and Type	Method	Description
(package private) static StackInspector.StackValue	findInstructionThatPushValue(List<WasmInstruction> instructions, int count, int javaCodePos)	Inspect the instructions to find details over a specific stack position.

Methods inherited from class Object

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

Constructor Details

StackInspector

StackInspector()

Method Details

findInstructionThatPushValue

@Nonnull
static StackInspector.StackValue findInstructionThatPushValue(List<WasmInstruction> instructions,
 int count,
 int javaCodePos)

Inspect the instructions to find details over a specific stack position.

Parameters:

instructions - the parsed instructions

count - the count of values on the stack back. 1 means the last value. 2 means the penultimate value.

javaCodePos - the current code position, important to follow jumps in the code

Returns:

details of the stack position