Struct rslua_march1917::opcodes::Instruction
source · pub struct Instruction(_);Implementations§
source§impl Instruction
impl Instruction
pub fn new() -> Self
sourcepub fn get_op(&self) -> OpCode
pub fn get_op(&self) -> OpCode
Examples found in repository?
src/opcodes.rs (line 393)
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pub fn mode(&self) -> OpMode {
match self.get_op() {
OpCode::Move => OpMode::IAB,
OpCode::LoadK => OpMode::IABx,
OpCode::LoadKx => OpMode::IA,
OpCode::LoadBool => OpMode::IABC,
OpCode::LoadNil => OpMode::IAB,
OpCode::GetUpVal => OpMode::IAB,
OpCode::GetTabUp => OpMode::IABC,
OpCode::GetTable => OpMode::IABC,
OpCode::SetTabUp => OpMode::IABC,
OpCode::SetUpVal => OpMode::IAB,
OpCode::SetTable => OpMode::IABC,
OpCode::NewTable => OpMode::IABC,
OpCode::Self_ => OpMode::IABC,
OpCode::Add => OpMode::IABC,
OpCode::Sub => OpMode::IABC,
OpCode::Mul => OpMode::IABC,
OpCode::Mod => OpMode::IABC,
OpCode::Pow => OpMode::IABC,
OpCode::Div => OpMode::IABC,
OpCode::IDiv => OpMode::IABC,
OpCode::BAdd => OpMode::IABC,
OpCode::BOr => OpMode::IABC,
OpCode::BXor => OpMode::IABC,
OpCode::Shl => OpMode::IABC,
OpCode::Shr => OpMode::IABC,
OpCode::Unm => OpMode::IAB,
OpCode::BNot => OpMode::IAB,
OpCode::Not => OpMode::IAB,
OpCode::Len => OpMode::IAB,
OpCode::Concat => OpMode::IABC,
OpCode::Jmp => OpMode::IAsBx,
OpCode::Eq => OpMode::IABC,
OpCode::Lt => OpMode::IABC,
OpCode::Le => OpMode::IABC,
OpCode::Test => OpMode::IAC,
OpCode::TestSet => OpMode::IABC,
OpCode::Call => OpMode::IABC,
OpCode::TailCall => OpMode::IABC,
OpCode::Return => OpMode::IAB,
OpCode::ForLoop => OpMode::IAsBx,
OpCode::ForPrep => OpMode::IAsBx,
OpCode::TForCall => OpMode::IAC,
OpCode::TForLoop => OpMode::IAsBx,
OpCode::SetList => OpMode::IAsBx,
OpCode::Closure => OpMode::IABx,
OpCode::Vararg => OpMode::IAB,
OpCode::ExtraArg => OpMode::IAx,
}
}
}
use std::fmt;
impl fmt::Debug for Instruction {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self.mode() {
OpMode::IA => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
" ",
" "
),
OpMode::IAB => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_B(),
" "
),
OpMode::IABC => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_B(),
self.get_arg_C()
),
OpMode::IAC => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
" ",
self.get_arg_C()
),
OpMode::IABx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_Bx(),
" "
),
OpMode::IAsBx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_sBx(),
" "
),
OpMode::IAx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_Ax(),
" ",
" "
),
}
}pub fn set_op(&mut self, op: OpCode)
sourcepub fn get_arg_A(&self) -> u32
pub fn get_arg_A(&self) -> u32
Examples found in repository?
More examples
src/opcodes.rs (line 453)
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self.mode() {
OpMode::IA => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
" ",
" "
),
OpMode::IAB => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_B(),
" "
),
OpMode::IABC => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_B(),
self.get_arg_C()
),
OpMode::IAC => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
" ",
self.get_arg_C()
),
OpMode::IABx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_Bx(),
" "
),
OpMode::IAsBx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_sBx(),
" "
),
OpMode::IAx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_Ax(),
" ",
" "
),
}
}sourcepub fn get_arg_B(&self) -> u32
pub fn get_arg_B(&self) -> u32
Examples found in repository?
src/opcodes.rs (line 462)
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self.mode() {
OpMode::IA => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
" ",
" "
),
OpMode::IAB => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_B(),
" "
),
OpMode::IABC => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_B(),
self.get_arg_C()
),
OpMode::IAC => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
" ",
self.get_arg_C()
),
OpMode::IABx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_Bx(),
" "
),
OpMode::IAsBx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_sBx(),
" "
),
OpMode::IAx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_Ax(),
" ",
" "
),
}
}pub fn set_arg_B(&mut self, value: u32)
sourcepub fn get_arg_C(&self) -> u32
pub fn get_arg_C(&self) -> u32
Examples found in repository?
src/opcodes.rs (line 471)
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self.mode() {
OpMode::IA => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
" ",
" "
),
OpMode::IAB => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_B(),
" "
),
OpMode::IABC => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_B(),
self.get_arg_C()
),
OpMode::IAC => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
" ",
self.get_arg_C()
),
OpMode::IABx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_Bx(),
" "
),
OpMode::IAsBx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_sBx(),
" "
),
OpMode::IAx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_Ax(),
" ",
" "
),
}
}pub fn set_arg_C(&mut self, value: u32)
sourcepub fn get_arg_Ax(&self) -> u32
pub fn get_arg_Ax(&self) -> u32
Examples found in repository?
src/opcodes.rs (line 501)
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self.mode() {
OpMode::IA => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
" ",
" "
),
OpMode::IAB => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_B(),
" "
),
OpMode::IABC => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_B(),
self.get_arg_C()
),
OpMode::IAC => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
" ",
self.get_arg_C()
),
OpMode::IABx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_Bx(),
" "
),
OpMode::IAsBx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_sBx(),
" "
),
OpMode::IAx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_Ax(),
" ",
" "
),
}
}pub fn set_arg_Ax(&mut self, value: u32)
sourcepub fn get_arg_Bx(&self) -> u32
pub fn get_arg_Bx(&self) -> u32
Examples found in repository?
src/opcodes.rs (line 486)
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self.mode() {
OpMode::IA => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
" ",
" "
),
OpMode::IAB => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_B(),
" "
),
OpMode::IABC => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_B(),
self.get_arg_C()
),
OpMode::IAC => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
" ",
self.get_arg_C()
),
OpMode::IABx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_Bx(),
" "
),
OpMode::IAsBx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_sBx(),
" "
),
OpMode::IAx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_Ax(),
" ",
" "
),
}
}pub fn set_arg_Bx(&mut self, value: u32)
sourcepub fn get_arg_sBx(&self) -> i32
pub fn get_arg_sBx(&self) -> i32
Examples found in repository?
src/opcodes.rs (line 494)
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self.mode() {
OpMode::IA => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
" ",
" "
),
OpMode::IAB => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_B(),
" "
),
OpMode::IABC => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_B(),
self.get_arg_C()
),
OpMode::IAC => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
" ",
self.get_arg_C()
),
OpMode::IABx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_Bx(),
" "
),
OpMode::IAsBx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_sBx(),
" "
),
OpMode::IAx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_Ax(),
" ",
" "
),
}
}sourcepub fn set_arg_sBx(&mut self, value: i32)
pub fn set_arg_sBx(&mut self, value: i32)
Examples found in repository?
src/proto.rs (line 147)
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pub fn fix_cond_jump_pos(&mut self, true_pos: usize, false_pos: usize, pc: usize) {
let instruction = self.get_instruction(pc);
let pos = if instruction.get_arg_A() == 0 {
true_pos
} else {
false_pos
};
instruction.set_arg_sBx(pos as i32 - pc as i32 - 1);
}
pub fn fix_jump_pos(&mut self, pos: usize, pc: usize) {
let instruction = self.get_instruction(pc);
instruction.set_arg_sBx(pos as i32 - pc as i32 - 1);
}sourcepub fn create_ABC(op: OpCode, a: u32, b: u32, c: u32) -> Self
pub fn create_ABC(op: OpCode, a: u32, b: u32, c: u32) -> Self
Examples found in repository?
src/proto.rs (line 46)
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pub fn code_return(&mut self, first: u32, nret: u32) -> usize {
self.code
.push(Instruction::create_ABC(OpCode::Return, first, nret + 1, 0));
self.code.len() - 1
}
pub fn code_nil(&mut self, start_reg: u32, n: u32) -> usize {
// TODO : optimize for duplicate LoadNil
self.code.push(Instruction::create_ABC(
OpCode::LoadNil,
start_reg,
n - 1,
0,
));
self.code.len() - 1
}
pub fn code_bool(&mut self, reg: u32, v: bool, pc: u32) -> usize {
self.code.push(Instruction::create_ABC(
OpCode::LoadBool,
reg,
if v { 1 } else { 0 },
pc,
));
self.code.len() - 1
}
pub fn code_const(&mut self, reg_index: u32, const_index: u32) -> usize {
self.code.push(Instruction::create_ABx(
OpCode::LoadK,
reg_index,
const_index,
));
self.code.len() - 1
}
pub fn code_move(&mut self, reg: u32, src: u32) -> usize {
self.code
.push(Instruction::create_ABC(OpCode::Move, reg, src, 0));
self.code.len() - 1
}
pub fn code_bin_op(&mut self, op: BinOp, target: u32, left: u32, right: u32) -> usize {
let op_code = match op {
BinOp::Add => OpCode::Add,
BinOp::Minus => OpCode::Sub,
BinOp::Mul => OpCode::Mul,
BinOp::Mod => OpCode::Mod,
BinOp::Pow => OpCode::Pow,
BinOp::Div => OpCode::Div,
BinOp::IDiv => OpCode::IDiv,
BinOp::BAnd => OpCode::BAdd,
BinOp::BOr => OpCode::BOr,
BinOp::BXor => OpCode::BXor,
BinOp::Shl => OpCode::Shl,
BinOp::Shr => OpCode::Shr,
BinOp::Concat => OpCode::Concat,
_ => unreachable!(),
};
self.code
.push(Instruction::create_ABC(op_code, target, left, right));
self.code.len() - 1
}
pub fn code_comp(&mut self, op: BinOp, left: u32, right: u32) -> usize {
let op_code = match op {
BinOp::Lt | BinOp::Gt => OpCode::Lt,
BinOp::Ne | BinOp::Eq => OpCode::Eq,
BinOp::Le | BinOp::Ge => OpCode::Le,
_ => unreachable!(),
};
let cond = if op == BinOp::Ne { 0 } else { 1 };
self.code
.push(Instruction::create_ABC(op_code, cond, left, right));
self.code.len() - 1
}
pub fn code_un_op(&mut self, op: UnOp, target: u32, src: u32) -> usize {
let op_code = match op {
UnOp::Minus => OpCode::Unm,
UnOp::BNot => OpCode::BNot,
UnOp::Not => OpCode::Not,
UnOp::Len => OpCode::Len,
_ => unimplemented!(),
};
self.code
.push(Instruction::create_ABC(op_code, target, src, 0));
self.code.len() - 1
}
pub fn code_jmp(&mut self, offset: i32, upvars: u32) -> usize {
self.code
.push(Instruction::create_AsBx(OpCode::Jmp, upvars, offset));
self.code.len() - 1
}
pub fn fix_cond_jump_pos(&mut self, true_pos: usize, false_pos: usize, pc: usize) {
let instruction = self.get_instruction(pc);
let pos = if instruction.get_arg_A() == 0 {
true_pos
} else {
false_pos
};
instruction.set_arg_sBx(pos as i32 - pc as i32 - 1);
}
pub fn fix_jump_pos(&mut self, pos: usize, pc: usize) {
let instruction = self.get_instruction(pc);
instruction.set_arg_sBx(pos as i32 - pc as i32 - 1);
}
pub fn code_test_set(&mut self, set: u32, test: u32, to_test: u32) {
self.code
.push(Instruction::create_ABC(OpCode::TestSet, set, test, to_test));
}sourcepub fn create_ABx(op: OpCode, a: u32, bx: u32) -> Self
pub fn create_ABx(op: OpCode, a: u32, bx: u32) -> Self
sourcepub fn create_AsBx(op: OpCode, a: u32, sBx: i32) -> Self
pub fn create_AsBx(op: OpCode, a: u32, sBx: i32) -> Self
pub fn create_Ax(op: OpCode, a: u32) -> Self
sourcepub fn mode(&self) -> OpMode
pub fn mode(&self) -> OpMode
Examples found in repository?
src/opcodes.rs (line 448)
447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self.mode() {
OpMode::IA => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
" ",
" "
),
OpMode::IAB => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_B(),
" "
),
OpMode::IABC => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_B(),
self.get_arg_C()
),
OpMode::IAC => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
" ",
self.get_arg_C()
),
OpMode::IABx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_Bx(),
" "
),
OpMode::IAsBx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_A(),
self.get_arg_sBx(),
" "
),
OpMode::IAx => write!(
f,
"| {:<10} | {:<5} | {:<5} | {:<5} |",
format!("{:?}", self.get_op()),
self.get_arg_Ax(),
" ",
" "
),
}
}