Class WasmNumericInstruction

java.lang.Object

de.inetsoftware.jwebassembly.module.WasmInstruction

de.inetsoftware.jwebassembly.module.WasmNumericInstruction

class WasmNumericInstruction
extends WasmInstruction

WasmInstruction for numeric operation.

Nested Class Summary

Nested classes/interfaces inherited from class WasmInstruction

WasmInstruction.Type

Field Summary

Fields

Modifier and Type	Field	Description
(package private) NumericOperator	numOp
private final ValueType	valueType

Constructor Summary

Constructors

Constructor	Description
WasmNumericInstruction(NumericOperator numOp, ValueType valueType, int javaCodePos, int lineNumber)	Create an instance of numeric operation.

Method Summary

Modifier and Type	Method	Description
(package private) int	getPopCount()	Get the count of values that are removed from the stack.
(package private) AnyType[]	getPopValueTypes()
(package private) AnyType	getPushValueType()	Get the ValueType if this instruction push a value on the stack.
(package private) WasmInstruction.Type	getType()	Get the type of instruction
void	writeTo(ModuleWriter writer)	Write this instruction to the WASM module.

Methods inherited from class WasmInstruction

getCodePosition, getLineNumber, setCodePosition

Methods inherited from class Object

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

Field Details

numOp

NumericOperator numOp

valueType

private final ValueType valueType

Constructor Details

WasmNumericInstruction

WasmNumericInstruction(@Nullable
 NumericOperator numOp,
 @Nullable
 ValueType valueType,
 int javaCodePos,
 int lineNumber)

Create an instance of numeric operation.

Parameters:

numOp - the numeric operation

valueType - the type of the parameters

javaCodePos - the code position/offset in the Java method

lineNumber - the line number in the Java source code

Method Details

getType

WasmInstruction.Type getType()

Get the type of instruction

Specified by:

getType in class WasmInstruction

Returns:

the type

writeTo

public void writeTo(@Nonnull
 ModuleWriter writer)
             throws IOException

Write this instruction to the WASM module.

Specified by:

writeTo in class WasmInstruction

Parameters:

writer - the target writer

Throws:

IOException - if any I/O error occur

getPushValueType

AnyType getPushValueType()

Get the ValueType if this instruction push a value on the stack.

Specified by:

getPushValueType in class WasmInstruction

Returns:

the ValueType or null if no value is push

getPopCount

int getPopCount()

Get the count of values that are removed from the stack.

Specified by:

getPopCount in class WasmInstruction

Returns:

the count

getPopValueTypes

AnyType[] getPopValueTypes()

Specified by:

getPopValueTypes in class WasmInstruction