Package de.inetsoftware.jwebassembly.module

Class WasmStructInstruction

java.lang.Object

de.inetsoftware.jwebassembly.module.WasmInstruction

de.inetsoftware.jwebassembly.module.WasmStructInstruction

class WasmStructInstruction
extends WasmInstruction

WasmInstruction for struct operation. A struct is like a Java class without methods.

Nested Class Summary

Nested classes/interfaces inherited from class de.inetsoftware.jwebassembly.module.WasmInstruction

WasmInstruction.Type

Field Summary

Fields

Modifier and Type	Field	Description
private NamedStorageType	fieldName
private SyntheticFunctionName	functionName
private StructOperator	op
private WasmOptions	options
private TypeManager.StructType	type

Constructor Summary

Constructors

Constructor	Description
WasmStructInstruction(StructOperator op, TypeManager.StructType type, NamedStorageType fieldName, int javaCodePos, int lineNumber, TypeManager types)	Create an instance of numeric operation.
WasmStructInstruction(StructOperator op, java.lang.String typeName, NamedStorageType fieldName, int javaCodePos, int lineNumber, TypeManager types)	Create an instance of numeric operation.

Method Summary

Modifier and Type	Method	Description
(package private) SyntheticFunctionName	createNonGcFunction()	Create the synthetic polyfill function of this instruction for nonGC mode.
(package private) StructOperator	getOperator()	Get the StructOperator
(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) TypeManager.StructType	getStructType()	Get the struct type of this instruction.
(package private) WasmInstruction.Type	getType()	Get the type of instruction
(package private) void	setStructType(TypeManager.StructType type)	Set a new type for NULL const.
private static java.lang.String	validJsName(AnyType type)	Get a valid JavaScript name.
void	writeTo(ModuleWriter writer)	Write this instruction to the WASM module.

Methods inherited from class de.inetsoftware.jwebassembly.module.WasmInstruction

getCodePosition, getLineNumber, setCodePosition

Methods inherited from class java.lang.Object

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

Field Detail

op

@Nonnull
private final StructOperator op

type

private TypeManager.StructType type

fieldName

private final NamedStorageType fieldName

functionName

private SyntheticFunctionName functionName

options

private final WasmOptions options

Constructor Detail

WasmStructInstruction

WasmStructInstruction(@Nonnull
                      StructOperator op,
                      @Nonnull
                      java.lang.String typeName,
                      @Nullable
                      NamedStorageType fieldName,
                      int javaCodePos,
                      int lineNumber,
                      TypeManager types)

Create an instance of numeric operation.

Parameters:

op - the struct operation

typeName - the type name of the parameters

fieldName - the name of field if needed for the operation

javaCodePos - the code position/offset in the Java method

lineNumber - the line number in the Java source code

types - the type manager

WasmStructInstruction

WasmStructInstruction(@Nonnull
                      StructOperator op,
                      @Nonnull
                      TypeManager.StructType type,
                      @Nullable
                      NamedStorageType fieldName,
                      int javaCodePos,
                      int lineNumber,
                      TypeManager types)

Create an instance of numeric operation.

Parameters:

op - the struct operation

type - the type of the parameters

fieldName - the name of field if needed for the operation

javaCodePos - the code position/offset in the Java method

lineNumber - the line number in the Java source code

types - the type manager

Method Detail

createNonGcFunction

SyntheticFunctionName createNonGcFunction()

Create the synthetic polyfill function of this instruction for nonGC mode.

Returns:

the function or null if not needed

validJsName

private static java.lang.String validJsName(AnyType type)

Get a valid JavaScript name.

Parameters:

type - the type

Returns:

the identifier that is valid

getOperator

StructOperator getOperator()

Get the StructOperator

Returns:

the operator

getStructType

TypeManager.StructType getStructType()

Get the struct type of this instruction.

Returns:

the type

setStructType

void setStructType(@Nonnull
                   TypeManager.StructType type)

Set a new type for NULL const.

Parameters:

type - the type

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 java.io.IOException

Write this instruction to the WASM module.

Specified by:

writeTo in class WasmInstruction

Parameters:

writer - the target writer

Throws:

java.io.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