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85 lines
2.6 KiB
Rust
85 lines
2.6 KiB
Rust
use ledstrip_vm::asm_tokens;
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use ledstrip_vm::asm_tokens::{
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AddToken, ClearToken, CmdToken, CopyToken, DivToken, ExitToken, GotoToken, JeToken, JgToken,
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JlToken, LabelToken, LoadToken, LshToken, ModToken, MulToken, PauseToken, RshToken, SetToken,
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SubToken, Token, WriteToken,
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};
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use ledstrip_vm::registers::get_register_by_name;
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use rayon::prelude::*;
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use std::fs::{read_to_string, File};
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use std::io;
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use std::io::{BufRead, BufReader, BufWriter, Read, Write};
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use structopt::StructOpt;
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macro_rules! some_box {
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($expr:expr) => {
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Some(Box::new($expr))
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};
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}
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#[derive(StructOpt, Debug)]
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struct Opts {
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#[structopt(short = "i", name = "input")]
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input_file: String,
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#[structopt(short = "o", name = "output")]
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output_file: String,
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}
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fn main() -> io::Result<()> {
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let opts: Opts = Opts::from_args();
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let contents = read_to_string(opts.input_file)?;
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let f = File::create(opts.output_file)?;
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let mut writer = BufWriter::new(f);
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contents
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.lines()
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.map(|line| get_token(line))
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.filter_map(|token| Some(token?.to_bytecode()))
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.for_each(|code| {
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writer.write(&code);
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});
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Ok(())
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}
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fn get_token(line: &str) -> Option<Box<dyn Token>> {
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let mut instr_parts = line.split_whitespace();
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match instr_parts.next()? {
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"exit" => Some(Box::new(ExitToken {
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register: get_register_by_name(instr_parts.next()?)?,
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})),
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"set" => some_box!(SetToken {
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value: instr_parts
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.next()?
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.parse::<u8>()
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.expect("Failed to parse the value into a u8."),
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register: get_register_by_name(instr_parts.next()?)?,
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}),
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"copy" => some_box!(CopyToken {
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register_1: get_register_by_name(instr_parts.next()?)?,
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register_2: get_register_by_name(instr_parts.next()?)?,
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}),
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"load" => some_box!(LoadToken),
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"clear" => some_box!(ClearToken {
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register: get_register_by_name(instr_parts.next()?)?,
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}),
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"write" => some_box!(WriteToken),
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"label" => some_box!(LabelToken),
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"goto" => some_box!(GotoToken),
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"add" => some_box!(AddToken),
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"sub" => some_box!(SubToken),
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"mul" => some_box!(MulToken),
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"div" => some_box!(DivToken),
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"mod" => some_box!(ModToken),
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"lsh" => some_box!(LshToken),
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"rsh" => some_box!(RshToken),
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"jg" => some_box!(JgToken),
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"jl" => some_box!(JlToken),
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"je" => some_box!(JeToken),
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"pause" => some_box!(PauseToken),
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"cmd" => some_box!(CmdToken),
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_ => None,
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}
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}
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