| 57 | } |
| 58 | |
| 59 | pub fn compiler(setup: &'static CompilerSetup, arg: Option<String>, y: bool) -> Result<Compiler> { |
| 60 | if let Some(path) = arg { |
| 61 | match setup.verify { |
| 62 | Some(verify) => verify(&path).map_err(|str| anyhow!("验证编译器 {} 失败：{}", path, str)), |
| 63 | None => Err(anyhow!( |
| 64 | "类型 {} 的编译器不支持自定义路径。请更改编译器类型，或移除 -c 选项。", |
| 65 | setup.id |
| 66 | )), |
| 67 | } |
| 68 | } else { |
| 69 | loop { |
| 70 | let mut compilers = (setup.scan)(); |
| 71 | break if y { |
| 72 | match compilers.len() { |
| 73 | 0 => Err(anyhow!("找不到已安装的 {}。", setup.name)), |
| 74 | 1 => Ok(compilers.swap_remove(0)), |
| 75 | _ => { |
| 76 | warn!( |
| 77 | "由于开启了 -y，在多个编译器路径中自动选择 {}", |
| 78 | compilers[0].path |
| 79 | ); |
| 80 | Ok(compilers.swap_remove(0)) |
| 81 | } |
| 82 | } |
| 83 | } else { |
| 84 | let mut builder = Question::select("compiler"); |
| 85 | |
| 86 | // The "rescan" choice's index |
| 87 | let mut rescan_idx = 0; |
| 88 | |
| 89 | match compilers.len() { |
| 90 | 0 => builder = builder.message("未检测到可用的编译器。您打算..."), |
| 91 | 1 => { |
| 92 | return Ok(compilers.swap_remove(0)); |
| 93 | } |
| 94 | _ => { |
| 95 | builder = builder |
| 96 | .message("检测到以下编译器：") |
| 97 | .choices( |
| 98 | compilers |
| 99 | .iter() |
| 100 | .map(|s| format!("{} ({})", s.version, s.path)), |
| 101 | ) |
| 102 | .default_separator(); |
| 103 | rescan_idx += compilers.len() + 1; |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | let install_idx = rescan_idx + 1; |
| 108 | let new_idx = rescan_idx + 2; |
| 109 | |
| 110 | let mut actions = vec!["重新扫描"]; |
| 111 | match setup.install { |
| 112 | Some(_) => actions.push("获取新的编译器..."), |
| 113 | None => actions.push("查看获取方法"), |
| 114 | } |
| 115 | match setup.verify { |
| 116 | Some(_) => actions.push("填写新的编译器路径..."), |