Class WasmArrayInstruction

java.lang.Object

de.inetsoftware.jwebassembly.module.WasmInstruction

de.inetsoftware.jwebassembly.module.WasmArrayInstruction

class WasmArrayInstruction
extends WasmInstruction

WasmInstruction for an array operation.

Nested Class Summary

Nested classes/interfaces inherited from class WasmInstruction

WasmInstruction.Type

Field Summary

Fields

Modifier and Type	Field	Description
private final ArrayType	arrayType
private SyntheticFunctionName	functionName
private final ArrayOperator	op
private final AnyType	type
private final TypeManager	types

Constructor Summary

Constructors

Constructor	Description
WasmArrayInstruction(ArrayOperator op, AnyType type, TypeManager types, int javaCodePos, int lineNumber)	Create an instance of an array operation.

Method Summary

Modifier and Type	Method	Description
(package private) SyntheticFunctionName	createNonGcFunction(boolean useGC)	Create the synthetic function of this instruction if required for the operation.
(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
private static String	validJsName(AnyType type)	Get a valid JavaScript name.
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

op

@Nonnull
private final ArrayOperator op

type

private final AnyType type

arrayType

private final ArrayType arrayType

types

private final TypeManager types

functionName

private SyntheticFunctionName functionName

Constructor Details

WasmArrayInstruction

WasmArrayInstruction(@Nonnull
 ArrayOperator op,
 @Nonnull
 AnyType type,
 TypeManager types,
 int javaCodePos,
 int lineNumber)

Create an instance of an array operation.

Parameters:

op - the array operation

type - the type of the parameters

types - the type manager

javaCodePos - the code position/offset in the Java method

lineNumber - the line number in the Java source code

Method Details

createNonGcFunction

SyntheticFunctionName createNonGcFunction(boolean useGC)

Create the synthetic function of this instruction if required for the operation.

Parameters:

useGC - true, with GC code

Returns:

the function or null if not needed

validJsName

private static String validJsName(AnyType type)

Get a valid JavaScript name.

Parameters:

type - the type

Returns:

the identifier that is valid

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