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use termion::color;
use yaxpeax_msp430::{Opcode, Operand, Instruction, Width};
use std::collections::HashMap;
pub fn opcode_color(opcode: Opcode) -> &'static color::Fg<&'static dyn color::Color> {
match opcode {
Opcode::Invalid(_) => { &color::Fg(&color::Red) }
Opcode::CALL |
Opcode::RETI => { &color::Fg(&color::LightGreen) }
Opcode::JNE |
Opcode::JEQ |
Opcode::JNC |
Opcode::JC |
Opcode::JN |
Opcode::JGE |
Opcode::JL |
Opcode::JMP => { &color::Fg(&color::Green) }
Opcode::MOV => { &color::Fg(&color::LightMagenta) }
Opcode::RRA |
Opcode::SXT |
Opcode::PUSH |
Opcode::AND |
Opcode::XOR |
Opcode::BIT |
Opcode::BIC |
Opcode::RRC |
Opcode::SWPB |
Opcode::BIS => { &color::Fg(&color::LightYellow) }
Opcode::ADD |
Opcode::ADDC |
Opcode::SUBC |
Opcode::SUB |
Opcode::DADD |
Opcode::CMP => { &color::Fg(&color::Yellow) }
}
}
use arch::msp430::PartialInstructionContext;
impl <T> ::SyntaxedRender<u16, T, ()> for Instruction where T: PartialInstructionContext {
fn render(&self, context: Option<&T>, _function_table: &HashMap<u16, ()>) -> String {
fn render_operand<T: PartialInstructionContext>(operand: &Operand, context: Option<&T>) -> String {
fn signed_hex(num: i16) -> String {
if num >= 0 {
format!("+{:#x}", num)
} else {
format!("-{:#x}", -num)
}
}
match operand {
Operand::Register(0) => { "pc".to_owned() },
Operand::Register(1) => { "sp".to_owned() },
Operand::Register(2) => { "sr".to_owned() },
Operand::Register(3) => { "cg".to_owned() },
Operand::Register(reg) => {
format!("r{}", reg)
},
Operand::Indexed(0, offset) => {
format!("{}(pc)", signed_hex(*offset as i16))
},
Operand::Indexed(1, offset) => {
format!("{}(sp)", signed_hex(*offset as i16))
},
Operand::Indexed(2, offset) => {
format!("{}(sr)", signed_hex(*offset as i16))
},
Operand::Indexed(3, offset) => {
format!("{}(cg)", signed_hex(*offset as i16))
},
Operand::Indexed(reg, offset) => {
format!("{}(r{})", signed_hex(*offset as i16), reg)
},
Operand::RegisterIndirect(0) => { "@pc".to_owned() }
Operand::RegisterIndirect(1) => { "@sp".to_owned() }
Operand::RegisterIndirect(2) => { "@sr".to_owned() }
Operand::RegisterIndirect(3) => { "@cg".to_owned() }
Operand::RegisterIndirect(reg) => {
format!("@r{}", reg)
},
Operand::IndirectAutoinc(0) => { "@pc+".to_owned() }
Operand::IndirectAutoinc(1) => { "@sp+".to_owned() }
Operand::IndirectAutoinc(2) => { "@sr+".to_owned() }
Operand::IndirectAutoinc(3) => { "@cg+".to_owned() }
Operand::IndirectAutoinc(reg) => {
format!("@r{}+", reg)
},
Operand::Offset(offset) => {
match context.and_then(|ctx| ctx.address()) {
Some(address) => {
format!("{:#x}", address.wrapping_add((*offset as u16).wrapping_mul(2)).wrapping_add(2))
},
None => {
format!("{}(pc)", signed_hex(*offset as i16))
}
}
},
Operand::Symbolic(offset) => {
match context.and_then(|ctx| ctx.address()) {
Some(address) => {
format!("{:#x}", address.wrapping_add(*offset))
},
None => {
format!("{}(pc)", signed_hex(*offset as i16))
}
}
},
Operand::Immediate(imm) => {
format!("#{:#x}", imm)
},
Operand::Absolute(offset) => {
format!("&{:#x}", offset)
},
Operand::Const4 => {
"4".to_owned()
},
Operand::Const8 => {
"8".to_owned()
},
Operand::Const0 => {
"0".to_owned()
},
Operand::Const1 => {
"1".to_owned()
},
Operand::Const2 => {
"2".to_owned()
},
Operand::ConstNeg1 => {
"-1".to_owned()
},
Operand::Nothing => {
"<No Operand>".to_owned()
}
}
}
match self {
Instruction { opcode: Opcode::MOV, operands: [Operand::Const0, Operand::Const0], op_width: _ } => {
format!("{}{}{}", color::Fg(color::Blue), "nop", color::Fg(color::Reset))
},
Instruction { opcode: Opcode::MOV, operands: [Operand::Const0, dest], op_width: _ } => {
let start_color = opcode_color(Opcode::MOV);
format!("{}{}{} {}", start_color, "clr", color::Fg(color::Reset), render_operand(&dest, context))
},
Instruction { opcode: Opcode::MOV, operands: [Operand::IndirectAutoinc(1), Operand::Register(0)], op_width: Width::W } => {
let start_color = opcode_color(Opcode::CALL);
format!("{}{}{}", start_color, "ret", color::Fg(color::Reset))
},
Instruction { opcode: Opcode::MOV, operands: [Operand::IndirectAutoinc(1), dest], op_width: Width::W } => {
let start_color = opcode_color(Opcode::PUSH);
format!("{}{}{} {}", start_color, "pop", color::Fg(color::Reset), render_operand(&dest, context))
},
Instruction { opcode: Opcode::MOV, operands: [src, Operand::Register(0)], op_width: Width::W } => {
let start_color = opcode_color(Opcode::JMP);
format!("{}{}{} {}", start_color, "br", color::Fg(color::Reset), render_operand(&src, context))
}
_ => {
let start_color = opcode_color(self.opcode);
let mut result = format!("{}{}{}{}", start_color, self.opcode, match self.op_width {
Width::W => "",
Width::B => ".b"
}, color::Fg(color::Reset));
match self.operands[0] {
Operand::Nothing => { return result; },
x @ _ => {
result.push(' ');
result.push_str(&render_operand(&x, context));
}
};
match self.operands[1] {
Operand::Nothing => { return result; },
x @ _ => {
result.push(',');
result.push(' ');
result.push_str(&render_operand(&x, context));
}
};
result
}
}
}
}