62 lines
1.7 KiB
Rust
62 lines
1.7 KiB
Rust
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// This example contains information adapted from the MSPGCC project's documentation.
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// As such, it is licensed under the GPL, to the extent that such a thing is possible.
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// https://mspgcc.sourceforge.net/manual/ln16.html
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#![feature(decl_macro)]
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use anes::{Color, ResetAttributes, SetForegroundColor};
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use msp430_asm::parser::preamble::*;
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use msp430_asm::preamble::*;
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use std::{
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error::Error,
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io::{stdin, IsTerminal, Write},
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};
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type AsmResult<T> = Result<T, Box<dyn Error>>;
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mod data;
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fn main() -> AsmResult<()> {
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if stdin().is_terminal() {
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hello();
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}
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repl()
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}
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fn hello() {
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println!(
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"{}{} v{}
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This software contains instruction and register descriptions adapted from
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the mspgcc project's fantastic documentation, which is licensed under the GPL.
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https://mspgcc.sourceforge.net/manual/book1.html{}\n",
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SetForegroundColor(Color::DarkGray),
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env!("CARGO_BIN_NAME"),
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env!("CARGO_PKG_VERSION"),
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ResetAttributes
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);
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}
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fn repl() -> AsmResult<()> {
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printflush!("> ");
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let mut line = String::new();
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while let Ok(len) = stdin().read_line(&mut line) {
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match len {
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0 => break, // No newline (reached EOF)
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1 => (), // Line is empty
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_ => {
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if line.starts_with('?') || line.starts_with("help") {
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data::list_opcodes()
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} else if let Ok(sf) = data::SyntaxFragment::try_from(line.as_str()) {
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sf.info();
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}
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}
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}
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printflush!("> ");
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line.clear();
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}
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Ok(())
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}
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macro printflush ($($x: expr),+) {
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{print!($($x),+); let _ = ::std::io::stdout().flush();}
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}
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