Delete a bunch of comments
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greg
parent
7a67890227
commit
5b5368ce6f
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@ -287,140 +287,6 @@ impl Repl {
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*/
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/*
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fn handle_interpreter_directive(&mut self, input: &str) -> Option<String> {
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let mut iter = input.chars();
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iter.next();
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let commands: Vec<&str> = iter
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.as_str()
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.split_whitespace()
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.collect();
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let initial_cmd: &str = match commands.get(0).clone() {
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None => return None,
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Some(s) => s
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};
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match initial_cmd {
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"exit" | "quit" => {
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self.save_options();
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::std::process::exit(0)
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},
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"lang" | "language" => match commands.get(1) {
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Some(&"show") => {
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let mut buf = String::new();
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for (i, lang) in self.languages.iter().enumerate() {
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write!(buf, "{}{}\n", if i == self.current_language_index { "* "} else { "" }, lang.get_language_name()).unwrap();
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}
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Some(buf)
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},
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Some(&"go") => match commands.get(2) {
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None => Some(format!("Must specify a language name")),
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Some(&desired_name) => {
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for (i, _) in self.languages.iter().enumerate() {
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let lang_name = self.languages[i].get_language_name();
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if lang_name.to_lowercase() == desired_name.to_lowercase() {
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self.current_language_index = i;
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return Some(format!("Switching to {}", self.languages[self.current_language_index].get_language_name()));
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}
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}
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Some(format!("Language {} not found", desired_name))
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}
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},
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Some(&"next") | Some(&"n") => {
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self.current_language_index = (self.current_language_index + 1) % self.languages.len();
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Some(format!("Switching to {}", self.languages[self.current_language_index].get_language_name()))
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},
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Some(&"previous") | Some(&"p") | Some(&"prev") => {
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self.current_language_index = if self.current_language_index == 0 { self.languages.len() - 1 } else { self.current_language_index - 1 };
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Some(format!("Switching to {}", self.languages[self.current_language_index].get_language_name()))
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},
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Some(e) => Some(format!("Bad `lang(uage)` argument: {}", e)),
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None => Some(format!("Valid arguments for `lang(uage)` are `show`, `next`|`n`, `previous`|`prev`|`n`"))
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},
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"help" => {
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let mut buf = String::new();
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let ref lang = self.languages[self.current_language_index];
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let directives = match self.get_directives() {
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CommandTree::Top(children) => children,
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_ => panic!("Top-level CommandTree not Top")
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};
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writeln!(buf, "MetaInterpreter options").unwrap();
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writeln!(buf, "-----------------------").unwrap();
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for directive in directives {
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let trailer = " ";
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writeln!(buf, "{}{}- {}", directive.get_cmd(), trailer, directive.get_help()).unwrap();
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}
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writeln!(buf, "").unwrap();
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writeln!(buf, "Language-specific help for {}", lang.get_language_name()).unwrap();
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writeln!(buf, "-----------------------").unwrap();
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writeln!(buf, "{}", lang.custom_interpreter_directives_help()).unwrap();
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Some(buf)
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},
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"debug" => self.handle_debug(commands),
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"doc" => self.languages[self.current_language_index]
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.get_doc(&commands)
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.or(Some(format!("No docs implemented"))),
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e => {
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self.languages[self.current_language_index]
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.handle_custom_interpreter_directives(&commands)
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.or(Some(format!("Unknown command: {}", e)))
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}
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}
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}
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*/
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/*
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fn handle_debug(&mut self, commands: Vec<&str>) -> Option<String> {
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let passes = self.get_cur_language().get_passes();
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match commands.get(1) {
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Some(&"timing") => match commands.get(2) {
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Some(&"on") => { self.options.debug_timing = true; None }
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Some(&"off") => { self.options.debug_timing = false; None }
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_ => return Some(format!(r#"Argument to "timing" must be "on" or "off""#)),
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},
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Some(&"passes") => Some(
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passes.into_iter()
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.map(|desc| {
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if self.options.debug_passes.contains_key(&desc.name) {
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let color = "green";
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format!("*{}", desc.name.color(color))
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} else {
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desc.name
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}
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})
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.intersperse(format!(" -> "))
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.collect()),
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b @ Some(&"show") | b @ Some(&"hide") => {
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let show = b == Some(&"show");
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let debug_pass: String = match commands.get(2) {
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Some(s) => s.to_string(),
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None => return Some(format!("Must specify a stage to debug")),
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};
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let pass_opt = commands.get(3);
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if let Some(desc) = passes.iter().find(|desc| desc.name == debug_pass) {
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let mut opts = vec![];
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if let Some(opt) = pass_opt {
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opts.push(opt.to_string());
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}
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let msg = format!("{} debug for pass {}", if show { "Enabling" } else { "Disabling" }, debug_pass);
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if show {
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self.options.debug_passes.insert(desc.name.clone(), PassDebugOptionsDescriptor { opts });
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} else {
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self.options.debug_passes.remove(&desc.name);
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}
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Some(msg)
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} else {
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Some(format!("Couldn't find stage: {}", debug_pass))
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}
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},
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_ => Some(format!("Unknown debug command"))
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}
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}
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*/
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struct TabCompleteHandler {
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sigil: char,
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top_level_commands: CommandTree,
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