33 lines
839 B
Rust
33 lines
839 B
Rust
//! The `cat` sub-command.
|
|
//!
|
|
//! Read a sequence of Cranelift IR files and print them again to stdout. This has the effect of
|
|
//! normalizing formatting and removing comments.
|
|
|
|
use cranelift_reader::parse_functions;
|
|
use utils::read_to_string;
|
|
use CommandResult;
|
|
|
|
pub fn run(files: &[String]) -> CommandResult {
|
|
for (i, f) in files.into_iter().enumerate() {
|
|
if i != 0 {
|
|
println!();
|
|
}
|
|
cat_one(f)?
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
fn cat_one(filename: &str) -> CommandResult {
|
|
let buffer = read_to_string(&filename).map_err(|e| format!("{}: {}", filename, e))?;
|
|
let items = parse_functions(&buffer).map_err(|e| format!("{}: {}", filename, e))?;
|
|
|
|
for (idx, func) in items.into_iter().enumerate() {
|
|
if idx != 0 {
|
|
println!();
|
|
}
|
|
print!("{}", func);
|
|
}
|
|
|
|
Ok(())
|
|
}
|