f7767eb352
Rather than sometimes using `file-per-thread-logger`. Also remove the debug CLI flags, so that we can always just define `RUST_LOG=...` to get logging and don't need to also do other things.
44 lines
1.0 KiB
Rust
44 lines
1.0 KiB
Rust
//! The `cat` sub-command.
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//!
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//! Read a sequence of Cranelift IR files and print them again to stdout. This has the effect of
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//! normalizing formatting and removing comments.
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use crate::utils::read_to_string;
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use anyhow::{Context, Result};
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use clap::Parser;
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use cranelift_reader::parse_functions;
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use std::path::{Path, PathBuf};
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/// Outputs .clif file
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#[derive(Parser)]
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pub struct Options {
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/// Specify input file(s) to be used. Use '-' for stdin.
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#[clap(required = true)]
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files: Vec<PathBuf>,
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}
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pub fn run(options: &Options) -> Result<()> {
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for (i, f) in options.files.iter().enumerate() {
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if i != 0 {
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println!();
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}
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cat_one(f)?
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}
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Ok(())
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}
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fn cat_one(path: &Path) -> Result<()> {
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let buffer = read_to_string(path)?;
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let items =
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parse_functions(&buffer).with_context(|| format!("failed to parse {}", path.display()))?;
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for (idx, func) in items.into_iter().enumerate() {
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if idx != 0 {
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println!();
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}
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print!("{}", func);
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}
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Ok(())
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}
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