Enum Instruction

pub enum Instruction<'a> {
    GetLocal(u32),
    SetLocal(u32),
    TeeLocal(u32),
    Br(Target),
    BrIfEqz(Target),
    BrIfNez(Target),
    BrTable(BrTargets<'a>),
    Unreachable,
    Return(DropKeep),
    Call(u32),
    CallIndirect(u32),
    Drop,
    Select,
    GetGlobal(u32),
    SetGlobal(u32),
    I32Load(u32),
    I64Load(u32),
    F32Load(u32),
    F64Load(u32),
    I32Load8S(u32),
    I32Load8U(u32),
    I32Load16S(u32),
    I32Load16U(u32),
    I64Load8S(u32),
    I64Load8U(u32),
    I64Load16S(u32),
    I64Load16U(u32),
    I64Load32S(u32),
    I64Load32U(u32),
    I32Store(u32),
    I64Store(u32),
    F32Store(u32),
    F64Store(u32),
    I32Store8(u32),
    I32Store16(u32),
    I64Store8(u32),
    I64Store16(u32),
    I64Store32(u32),
    CurrentMemory,
    GrowMemory,
    I32Const(i32),
    I64Const(i64),
    F32Const(u32),
    F64Const(u64),
    I32Eqz,
    I32Eq,
    I32Ne,
    I32LtS,
    I32LtU,
    I32GtS,
    I32GtU,
    I32LeS,
    I32LeU,
    I32GeS,
    I32GeU,
    I64Eqz,
    I64Eq,
    I64Ne,
    I64LtS,
    I64LtU,
    I64GtS,
    I64GtU,
    I64LeS,
    I64LeU,
    I64GeS,
    I64GeU,
    F32Eq,
    F32Ne,
    F32Lt,
    F32Gt,
    F32Le,
    F32Ge,
    F64Eq,
    F64Ne,
    F64Lt,
    F64Gt,
    F64Le,
    F64Ge,
    I32Clz,
    I32Ctz,
    I32Popcnt,
    I32Add,
    I32Sub,
    I32Mul,
    I32DivS,
    I32DivU,
    I32RemS,
    I32RemU,
    I32And,
    I32Or,
    I32Xor,
    I32Shl,
    I32ShrS,
    I32ShrU,
    I32Rotl,
    I32Rotr,
    I64Clz,
    I64Ctz,
    I64Popcnt,
    I64Add,
    I64Sub,
    I64Mul,
    I64DivS,
    I64DivU,
    I64RemS,
    I64RemU,
    I64And,
    I64Or,
    I64Xor,
    I64Shl,
    I64ShrS,
    I64ShrU,
    I64Rotl,
    I64Rotr,
    F32Abs,
    F32Neg,
    F32Ceil,
    F32Floor,
    F32Trunc,
    F32Nearest,
    F32Sqrt,
    F32Add,
    F32Sub,
    F32Mul,
    F32Div,
    F32Min,
    F32Max,
    F32Copysign,
    F64Abs,
    F64Neg,
    F64Ceil,
    F64Floor,
    F64Trunc,
    F64Nearest,
    F64Sqrt,
    F64Add,
    F64Sub,
    F64Mul,
    F64Div,
    F64Min,
    F64Max,
    F64Copysign,
    I32WrapI64,
    I32TruncSF32,
    I32TruncUF32,
    I32TruncSF64,
    I32TruncUF64,
    I64ExtendSI32,
    I64ExtendUI32,
    I64TruncSF32,
    I64TruncUF32,
    I64TruncSF64,
    I64TruncUF64,
    F32ConvertSI32,
    F32ConvertUI32,
    F32ConvertSI64,
    F32ConvertUI64,
    F32DemoteF64,
    F64ConvertSI32,
    F64ConvertUI32,
    F64ConvertSI64,
    F64ConvertUI64,
    F64PromoteF32,
    I32ReinterpretF32,
    I64ReinterpretF64,
    F32ReinterpretI32,
    F64ReinterpretI64,
}

The main interpreted instruction type. This is what is returned by InstructionIter, but it is not what is stored internally. For that, see InstructionInternal.

Variants

GetLocal(u32)

Push a local variable or an argument from the specified depth.

SetLocal(u32)

Pop a value and put it in at the specified depth.

TeeLocal(u32)

Copy a value to the specified depth.

Br(Target)

Similar to the Wasm ones, but instead of a label depth they specify direct PC.

BrIfEqz(Target)

BrIfNez(Target)

BrTable(BrTargets<'a>)

br_table [t1 t2 t3 .. tn] tdefault

Pops the value from the stack. Then this value is used as an index to the branch table.

However, the last target represents the default target. So if the index is greater than length of the branch table, then the last index will be used.

Validation ensures that there should be at least one target.

Unreachable

Return(DropKeep)

Call(u32)

CallIndirect(u32)

Drop

Select

GetGlobal(u32)

SetGlobal(u32)

I32Load(u32)

I64Load(u32)

F32Load(u32)

F64Load(u32)

I32Load8S(u32)

I32Load8U(u32)

I32Load16S(u32)

I32Load16U(u32)

I64Load8S(u32)

I64Load8U(u32)

I64Load16S(u32)

I64Load16U(u32)

I64Load32S(u32)

I64Load32U(u32)

I32Store(u32)

I64Store(u32)

F32Store(u32)

F64Store(u32)

I32Store8(u32)

I32Store16(u32)

I64Store8(u32)

I64Store16(u32)

I64Store32(u32)

CurrentMemory

GrowMemory

I32Const(i32)

I64Const(i64)

F32Const(u32)

F64Const(u64)

I32Eqz

I32Eq

I32Ne

I32LtS

I32LtU

I32GtS

I32GtU

I32LeS

I32LeU

I32GeS

I32GeU

I64Eqz

I64Eq

I64Ne

I64LtS

I64LtU

I64GtS

I64GtU

I64LeS

I64LeU

I64GeS

I64GeU

F32Eq

F32Ne

F32Lt

F32Gt

F32Le

F32Ge

F64Eq

F64Ne

F64Lt

F64Gt

F64Le

F64Ge

I32Clz

I32Ctz

I32Popcnt

I32Add

I32Sub

I32Mul

I32DivS

I32DivU

I32RemS

I32RemU

I32And

I32Or

I32Xor

I32Shl

I32ShrS

I32ShrU

I32Rotl

I32Rotr

I64Clz

I64Ctz

I64Popcnt

I64Add

I64Sub

I64Mul

I64DivS

I64DivU

I64RemS

I64RemU

I64And

I64Or

I64Xor

I64Shl

I64ShrS

I64ShrU

I64Rotl

I64Rotr

F32Abs

F32Neg

F32Ceil

F32Floor

F32Trunc

F32Nearest

F32Sqrt

F32Add

F32Sub

F32Mul

F32Div

F32Min

F32Max

F32Copysign

F64Abs

F64Neg

F64Ceil

F64Floor

F64Trunc

F64Nearest

F64Sqrt

F64Add

F64Sub

F64Mul

F64Div

F64Min

F64Max

F64Copysign

I32WrapI64

I32TruncSF32

I32TruncUF32

I32TruncSF64

I32TruncUF64

I64ExtendSI32

I64ExtendUI32

I64TruncSF32

I64TruncUF32

I64TruncSF64

I64TruncUF64

F32ConvertSI32

F32ConvertUI32

F32ConvertSI64

F32ConvertUI64

F32DemoteF64

F64ConvertSI32

F64ConvertUI32

F64ConvertSI64

F64ConvertUI64

F64PromoteF32

I32ReinterpretF32

I64ReinterpretF64

F32ReinterpretI32

F64ReinterpretI64

Trait Implementations

impl<'a> Clone for Instruction<'a>

fn clone(&self) -> Instruction<'a>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'a> Debug for Instruction<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'a> PartialEq for Instruction<'a>

fn eq(&self, other: &Instruction<'a>) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'a> StructuralPartialEq for Instruction<'a>