Class WasmCallInstruction

java.lang.Object

de.inetsoftware.jwebassembly.module.WasmInstruction

de.inetsoftware.jwebassembly.module.WasmCallInstruction

Direct Known Subclasses:

WasmCallIndirectInstruction

class WasmCallInstruction
extends WasmInstruction

WasmInstruction for a function call.

Nested Class Summary

Nested classes/interfaces inherited from class WasmInstruction

WasmInstruction.Type

Field Summary

Fields

Modifier and Type	Field	Description
private final String	comment
private FunctionName	name
private final boolean	needThisParameter
private int	paramCount
private final TypeManager	types
private AnyType	valueType

Constructor Summary

Constructors

Constructor	Description
WasmCallInstruction(FunctionName name, int javaCodePos, int lineNumber, TypeManager types, boolean needThisParameter)	Create an instance of a function call instruction
WasmCallInstruction(FunctionName name, int javaCodePos, int lineNumber, TypeManager types, boolean needThisParameter, String comment)	Create an instance of a function call instruction

Method Summary

Modifier and Type	Method	Description
private void	countParams()	Count the parameters in the signature
(package private) FunctionName	getFunctionName()	Get the function name that should be called
(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
(package private) TypeManager	getTypeManager()	Get the type manager.
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

valueType

private AnyType valueType

name

private FunctionName name

paramCount

private int paramCount

types

@Nonnull
private final TypeManager types

needThisParameter

private final boolean needThisParameter

comment

private final String comment

Constructor Details

WasmCallInstruction

WasmCallInstruction(FunctionName name,
 int javaCodePos,
 int lineNumber,
 @Nonnull
 TypeManager types,
 boolean needThisParameter)

Create an instance of a function call instruction

Parameters:

name - the function name that should be called

javaCodePos - the code position/offset in the Java method

lineNumber - the line number in the Java source code

types - the type manager

needThisParameter - true, if this function need additional to the parameter of the signature an extra "this" parameter

WasmCallInstruction

WasmCallInstruction(FunctionName name,
 int javaCodePos,
 int lineNumber,
 @Nonnull
 TypeManager types,
 boolean needThisParameter,
 String comment)

Create an instance of a function call instruction

Parameters:

name - the function name that should be called

javaCodePos - the code position/offset in the Java method

lineNumber - the line number in the Java source code

types - the type manager

needThisParameter - true, if this function need additional to the parameter of the signature an extra "this" parameter

comment - optional comment for the text format

Method Details

getType

WasmInstruction.Type getType()

Get the type of instruction

Specified by:

getType in class WasmInstruction

Returns:

the type

getFunctionName

@Nonnull
FunctionName getFunctionName()

Get the function name that should be called

Returns:

the name

getTypeManager

TypeManager getTypeManager()

Get the type manager.

Returns:

the manager

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

countParams

private void countParams()

Count the parameters in the signature