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Refactor arg parsing

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This commit is contained in:
Aleksey Kladov 2020-02-16 18:20:22 +01:00
parent 2ba918775c
commit 6a3ec2dfa5
1 changed files with 8 additions and 11 deletions
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19
crates/ra_cli/src/main.rs
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@ -132,18 +132,15 @@ fn main() -> Result<()> {
}
let verbose = matches.contains(["-v", "--verbose"]);
let path: String = matches.opt_value_from_str("--path")?.unwrap_or_default();
let highlight_path = matches.opt_value_from_str("--highlight")?;
let highlight_path: Option<String> = matches.opt_value_from_str("--highlight")?;
let complete_path: Option<String> = matches.opt_value_from_str("--complete")?;
if highlight_path.is_some() && complete_path.is_some() {
panic!("either --highlight or --complete must be set, not both")
}
let op = if let Some(path) = highlight_path {
let path: String = path;
analysis_bench::Op::Highlight { path: path.into() }
} else if let Some(position) = complete_path {
analysis_bench::Op::Complete(position.parse()?)
} else {
panic!("either --highlight or --complete must be set")
let op = match (highlight_path, complete_path) {
(Some(path), None) => {
let path: String = path;
analysis_bench::Op::Highlight { path: path.into() }
}
(None, Some(position)) => analysis_bench::Op::Complete(position.parse()?),
_ => panic!("exactly one of `--highlight`, `--complete` must be set"),
};
matches.finish().or_else(handle_extra_flags)?;
analysis_bench::run(verbose, path.as_ref(), op)?;