llvm_profparser 0.1.0-alpha3

Parsing and interpretation of llvm coverage profiles and generated data
Documentation 
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use llvm_profparser::*;
use std::path::PathBuf;
use structopt::StructOpt;

#[derive(Clone, Debug, Eq, PartialEq, StructOpt)]
pub struct Opts {
    #[structopt(subcommand)]
    cmd: Command,
}

#[derive(Clone, Debug, Eq, PartialEq, StructOpt)]
pub enum Command {
    Show {
        #[structopt(flatten)]
        show: ShowCommand,
    },
}

#[derive(Clone, Debug, Eq, PartialEq, StructOpt)]
pub struct ShowCommand {
    /// File with the profile data obtained after an instrumented run. This differs from llvm-cov
    /// in that if multiple profiles are given it will do the equivalent of a llvm-profdata merge
    /// on them.
    #[structopt(long = "instr-profile")]
    instr_profile: Vec<PathBuf>,
    /// Coverage executable or object file
    #[structopt(long = "object")]
    objects: Vec<PathBuf>,
}

impl ShowCommand {
    fn run(&self) -> Result<(), Box<dyn std::error::Error>> {
        let instr_prof = if self.instr_profile.len() == 1 {
            parse(&self.instr_profile[0])?
        } else if self.instr_profile.len() > 1 {
            merge_profiles(&self.instr_profile)?
        } else {
            panic!("Must provide an instrumentation profile");
        };
        let mapping = CoverageMapping::new(&self.objects, &instr_prof);
        todo!();
    }
}

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let opts = Opts::from_args();
    match opts.cmd {
        Command::Show { show } => show.run(),
    }
}