Class BlockInstruction
Base of block instructions.
Assembly: WaaS.Core.dll
Declaration
public abstract class BlockInstruction : Instruction
Inheritance: System.Object -> WaaS.Models.Instruction
Derived:
WaaS.Models.Block, WaaS.Models.If, WaaS.Models.Loop
Properties
BlockType
View Source
Declaration
public BlockType BlockType { get; }
End
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Declaration
public End End { get; }
Arity
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Declaration
public abstract uint Arity { get; }
Methods
PreValidateStackState(in ValidationContext)
Get the number of values to pop and push from the stack to validate stack depth.
View Source
Declaration
public override (uint popCount, uint pushCount) PreValidateStackState(in ValidationContext context)
Returns
System.ValueTuple<System.UInt32,System.UInt32>
Parameters
| Type | Name |
|---|---|
| WaaS.Models.ValidationContext | context |
ValidateStackState(in ValidationContext, ref ValidationBlockStackState)
Simulates stack operations to validate the stack state.
View Source
Declaration
public override void ValidateStackState(in ValidationContext context, ref ValidationBlockStackState stackState)
Parameters
| Type | Name |
|---|---|
| WaaS.Models.ValidationContext | context |
| WaaS.Models.ValidationBlockStackState | stackState |
OnBeforeBlockEnter(WasmStackFrame, out uint)
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Declaration
protected abstract void OnBeforeBlockEnter(WasmStackFrame current, out uint continuationIndex)
Parameters
| Type | Name |
|---|---|
| WaaS.Runtime.WasmStackFrame | current |
System.UInt32 | continuationIndex |
Execute(WasmStackFrame)
Executes the instruction.
View Source
Declaration
public override sealed void Execute(WasmStackFrame current)
Parameters
| Type | Name |
|---|---|
| WaaS.Runtime.WasmStackFrame | current |
InjectDelimiter(BlockDelimiterInstruction)
View Source
Declaration
public virtual void InjectDelimiter(BlockDelimiterInstruction delimiter)
Parameters
| Type | Name |
|---|---|
| WaaS.Models.BlockDelimiterInstruction | delimiter |