use alloc::{format, vec::Vec};
use tinywasm_types::{BlockArgs, Instruction, MemArg, ValType};
use crate::Result;
fn convert_blocktype(blocktype: wasmparser::BlockType) -> BlockArgs {
use wasmparser::BlockType::*;
match blocktype {
Empty => BlockArgs::Empty,
Type(ty) => BlockArgs::Type(convert_valtype(ty)),
FuncType(ty) => BlockArgs::FuncType(ty),
}
}
fn convert_valtype(valtype: wasmparser::ValType) -> ValType {
use wasmparser::ValType::*;
match valtype {
I32 => ValType::I32,
I64 => ValType::I64,
F32 => ValType::F32,
F64 => ValType::F64,
V128 => ValType::V128,
FuncRef => ValType::FuncRef,
ExternRef => ValType::ExternRef,
}
}
fn convert_memarg(memarg: wasmparser::MemArg) -> MemArg {
MemArg {
offset: memarg.offset,
align: memarg.align,
}
}
pub fn process_operator(op: wasmparser::Operator<'_>) -> Result<Instruction> {
use wasmparser::Operator::*;
let v = match op {
Unreachable => Instruction::Unreachable,
Nop => Instruction::Nop,
Block { blockty } => Instruction::Block(convert_blocktype(blockty)),
Loop { blockty } => Instruction::Loop(convert_blocktype(blockty)),
If { blockty } => Instruction::If(convert_blocktype(blockty)),
Else => Instruction::Else,
End => Instruction::End,
Br { relative_depth } => Instruction::Br(relative_depth),
BrIf { relative_depth } => Instruction::BrIf(relative_depth),
BrTable { targets } => {
let default = targets.default();
let targets = targets
.targets()
.map(|t| Ok(t?))
.collect::<Result<Vec<u32>>>()?;
Instruction::BrTable(targets, default)
}
Return => Instruction::Return,
Call { function_index } => Instruction::Call(function_index),
CallIndirect {
type_index,
table_index,
..
} => Instruction::CallIndirect(type_index, table_index),
Drop => Instruction::Drop,
Select => Instruction::Select,
LocalGet { local_index } => Instruction::LocalGet(local_index),
LocalSet { local_index } => Instruction::LocalSet(local_index),
LocalTee { local_index } => Instruction::LocalTee(local_index),
GlobalGet { global_index } => Instruction::GlobalGet(global_index),
GlobalSet { global_index } => Instruction::GlobalSet(global_index),
MemorySize { .. } => Instruction::MemorySize,
MemoryGrow { .. } => Instruction::MemoryGrow,
I32Load { memarg } => Instruction::I32Load(convert_memarg(memarg)),
I64Load { memarg } => Instruction::I64Load(convert_memarg(memarg)),
F32Load { memarg } => Instruction::F32Load(convert_memarg(memarg)),
F64Load { memarg } => Instruction::F64Load(convert_memarg(memarg)),
I32Load8S { memarg } => Instruction::I32Load8S(convert_memarg(memarg)),
I32Load8U { memarg } => Instruction::I32Load8U(convert_memarg(memarg)),
I32Load16S { memarg } => Instruction::I32Load16S(convert_memarg(memarg)),
I32Load16U { memarg } => Instruction::I32Load16U(convert_memarg(memarg)),
I64Load8S { memarg } => Instruction::I64Load8S(convert_memarg(memarg)),
I64Load8U { memarg } => Instruction::I64Load8U(convert_memarg(memarg)),
I64Load16S { memarg } => Instruction::I64Load16S(convert_memarg(memarg)),
I64Load16U { memarg } => Instruction::I64Load16U(convert_memarg(memarg)),
I64Load32S { memarg } => Instruction::I64Load32S(convert_memarg(memarg)),
I64Load32U { memarg } => Instruction::I64Load32U(convert_memarg(memarg)),
I32Store { memarg } => Instruction::I32Store(convert_memarg(memarg)),
I64Store { memarg } => Instruction::I64Store(convert_memarg(memarg)),
F32Store { memarg } => Instruction::F32Store(convert_memarg(memarg)),
F64Store { memarg } => Instruction::F64Store(convert_memarg(memarg)),
I32Store8 { memarg } => Instruction::I32Store8(convert_memarg(memarg)),
I32Store16 { memarg } => Instruction::I32Store16(convert_memarg(memarg)),
I64Store8 { memarg } => Instruction::I64Store8(convert_memarg(memarg)),
I64Store16 { memarg } => Instruction::I64Store16(convert_memarg(memarg)),
I64Store32 { memarg } => Instruction::I64Store32(convert_memarg(memarg)),
I32Eqz => Instruction::I32Eqz,
I32Eq => Instruction::I32Eq,
I32Ne => Instruction::I32Ne,
I32LtS => Instruction::I32LtS,
I32LtU => Instruction::I32LtU,
I32GtS => Instruction::I32GtS,
I32GtU => Instruction::I32GtU,
I32LeS => Instruction::I32LeS,
I32LeU => Instruction::I32LeU,
I32GeS => Instruction::I32GeS,
I32GeU => Instruction::I32GeU,
I64Eqz => Instruction::I64Eqz,
I64Eq => Instruction::I64Eq,
I64Ne => Instruction::I64Ne,
I64LtS => Instruction::I64LtS,
I64LtU => Instruction::I64LtU,
I64GtS => Instruction::I64GtS,
I64GtU => Instruction::I64GtU,
I64LeS => Instruction::I64LeS,
I64LeU => Instruction::I64LeU,
I64GeS => Instruction::I64GeS,
I64GeU => Instruction::I64GeU,
F32Eq => Instruction::F32Eq,
F32Ne => Instruction::F32Ne,
F32Lt => Instruction::F32Lt,
F32Gt => Instruction::F32Gt,
F32Le => Instruction::F32Le,
F32Ge => Instruction::F32Ge,
F64Eq => Instruction::F64Eq,
F64Ne => Instruction::F64Ne,
F64Lt => Instruction::F64Lt,
F64Gt => Instruction::F64Gt,
F64Le => Instruction::F64Le,
F64Ge => Instruction::F64Ge,
I32Clz => Instruction::I32Clz,
I32Ctz => Instruction::I32Ctz,
I32Popcnt => Instruction::I32Popcnt,
I32Add => Instruction::I32Add,
I32Sub => Instruction::I32Sub,
I32Mul => Instruction::I32Mul,
I32DivS => Instruction::I32DivS,
I32DivU => Instruction::I32DivU,
I32RemS => Instruction::I32RemS,
I32RemU => Instruction::I32RemU,
I32And => Instruction::I32And,
I32Or => Instruction::I32Or,
I32Xor => Instruction::I32Xor,
I32Shl => Instruction::I32Shl,
I32ShrS => Instruction::I32ShrS,
I32ShrU => Instruction::I32ShrU,
I32Rotl => Instruction::I32Rotl,
I32Rotr => Instruction::I32Rotr,
I64Clz => Instruction::I64Clz,
I64Ctz => Instruction::I64Ctz,
I64Popcnt => Instruction::I64Popcnt,
I64Add => Instruction::I64Add,
I64Sub => Instruction::I64Sub,
I64Mul => Instruction::I64Mul,
I64DivS => Instruction::I64DivS,
I64DivU => Instruction::I64DivU,
I64RemS => Instruction::I64RemS,
I64RemU => Instruction::I64RemU,
I64And => Instruction::I64And,
I64Or => Instruction::I64Or,
I64Xor => Instruction::I64Xor,
I64Shl => Instruction::I64Shl,
I64ShrS => Instruction::I64ShrS,
I64ShrU => Instruction::I64ShrU,
I64Rotl => Instruction::I64Rotl,
I64Rotr => Instruction::I64Rotr,
F32Abs => Instruction::F32Abs,
F32Neg => Instruction::F32Neg,
F32Ceil => Instruction::F32Ceil,
F32Floor => Instruction::F32Floor,
F32Trunc => Instruction::F32Trunc,
F32Nearest => Instruction::F32Nearest,
F32Sqrt => Instruction::F32Sqrt,
F32Add => Instruction::F32Add,
F32Sub => Instruction::F32Sub,
F32Mul => Instruction::F32Mul,
F32Div => Instruction::F32Div,
F32Min => Instruction::F32Min,
F32Max => Instruction::F32Max,
F32Copysign => Instruction::F32Copysign,
F64Abs => Instruction::F64Abs,
F64Neg => Instruction::F64Neg,
F64Ceil => Instruction::F64Ceil,
F64Floor => Instruction::F64Floor,
F64Trunc => Instruction::F64Trunc,
F64Nearest => Instruction::F64Nearest,
F64Sqrt => Instruction::F64Sqrt,
F64Add => Instruction::F64Add,
F64Sub => Instruction::F64Sub,
F64Mul => Instruction::F64Mul,
F64Div => Instruction::F64Div,
F64Min => Instruction::F64Min,
F64Max => Instruction::F64Max,
F64Copysign => Instruction::F64Copysign,
I32WrapI64 => Instruction::I32WrapI64,
I32TruncF32S => Instruction::I32TruncF32S,
I32TruncF32U => Instruction::I32TruncF32U,
I32TruncF64S => Instruction::I32TruncF64S,
I32TruncF64U => Instruction::I32TruncF64U,
I64ExtendI32S => Instruction::I64ExtendI32S,
I64ExtendI32U => Instruction::I64ExtendI32U,
I64TruncF32S => Instruction::I64TruncF32S,
I64TruncF32U => Instruction::I64TruncF32U,
I64TruncF64S => Instruction::I64TruncF64S,
I64TruncF64U => Instruction::I64TruncF64U,
F32ConvertI32S => Instruction::F32ConvertI32S,
F32ConvertI32U => Instruction::F32ConvertI32U,
F32ConvertI64S => Instruction::F32ConvertI64S,
F32ConvertI64U => Instruction::F32ConvertI64U,
F32DemoteF64 => Instruction::F32DemoteF64,
F64ConvertI32S => Instruction::F64ConvertI32S,
F64ConvertI32U => Instruction::F64ConvertI32U,
F64ConvertI64S => Instruction::F64ConvertI64S,
F64ConvertI64U => Instruction::F64ConvertI64U,
F64PromoteF32 => Instruction::F64PromoteF32,
I32ReinterpretF32 => Instruction::I32ReinterpretF32,
I64ReinterpretF64 => Instruction::I64ReinterpretF64,
F32ReinterpretI32 => Instruction::F32ReinterpretI32,
F64ReinterpretI64 => Instruction::F64ReinterpretI64,
_ => {
return Err(crate::ParseError::UnsupportedOperator(format!(
"Unsupported instruction: {:?}",
op
)))
}
};
Ok(v)
}
|
