Class WasmBlockInstruction
- java.lang.Object
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- de.inetsoftware.jwebassembly.module.WasmInstruction
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- de.inetsoftware.jwebassembly.module.WasmBlockInstruction
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class WasmBlockInstruction extends WasmInstruction
WasmInstruction for block operation.
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Nested Class Summary
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Nested classes/interfaces inherited from class de.inetsoftware.jwebassembly.module.WasmInstruction
WasmInstruction.Type
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Field Summary
Fields Modifier and Type Field Description private java.lang.Object
data
private WasmBlockOperator
op
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Constructor Summary
Constructors Constructor Description WasmBlockInstruction(WasmBlockOperator op, java.lang.Object data, int javaCodePos, int lineNumber)
Create an instance of block operation.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description (package private) java.lang.Object
getData()
Get the current data vale of the instruction(package private) WasmBlockOperator
getOperation()
Get 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(package private) void
setData(java.lang.Object data)
Set a new value for the datavoid
writeTo(ModuleWriter writer)
Write this instruction to the WASM module.-
Methods inherited from class de.inetsoftware.jwebassembly.module.WasmInstruction
getCodePosition, getLineNumber, setCodePosition
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Field Detail
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op
private final WasmBlockOperator op
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data
private java.lang.Object data
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Constructor Detail
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WasmBlockInstruction
WasmBlockInstruction(@Nonnull WasmBlockOperator op, @Nullable java.lang.Object data, int javaCodePos, int lineNumber)
Create an instance of block operation.- Parameters:
op
- the operationdata
- extra data depending of the operatorjavaCodePos
- the code position/offset in the Java methodlineNumber
- the line number in the Java source code
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Method Detail
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getType
WasmInstruction.Type getType()
Get the type of instruction- Specified by:
getType
in classWasmInstruction
- Returns:
- the type
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getOperation
WasmBlockOperator getOperation()
Get the operation- Returns:
- the op
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getData
java.lang.Object getData()
Get the current data vale of the instruction- Returns:
- the value
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setData
void setData(java.lang.Object data)
Set a new value for the data- Parameters:
data
- the new value
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writeTo
public void writeTo(@Nonnull ModuleWriter writer) throws java.io.IOException
Write this instruction to the WASM module.- Specified by:
writeTo
in classWasmInstruction
- Parameters:
writer
- the target writer- Throws:
java.io.IOException
- if any I/O error occur
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getPushValueType
AnyType getPushValueType()
Get the ValueType if this instruction push a value on the stack.- Specified by:
getPushValueType
in classWasmInstruction
- Returns:
- the ValueType or null if no value is push
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getPopCount
int getPopCount()
Get the count of values that are removed from the stack.- Specified by:
getPopCount
in classWasmInstruction
- Returns:
- the count
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getPopValueTypes
AnyType[] getPopValueTypes()
- Specified by:
getPopValueTypes
in classWasmInstruction
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