Moving help code around
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8dc0ad2348
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207f73d607
@ -1,5 +1,6 @@
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use super::{Repl, InterpreterDirectiveOutput};
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use crate::repl::command_tree::CommandTree;
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use crate::repl::help::help;
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use crate::language::{LangMetaRequest, LangMetaResponse, DebugAsk, DebugResponse};
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use itertools::Itertools;
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use std::fmt::Write as FmtWrite;
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@ -124,31 +125,3 @@ fn doc(repl: &mut Repl, arguments: &[&str]) -> InterpreterDirectiveOutput {
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}).unwrap_or(Some(format!(":docs needs an argument")))
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}
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fn help(repl: &mut Repl, arguments: &[&str]) -> InterpreterDirectiveOutput {
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let mut buf = String::new();
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let directives = match repl.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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match arguments {
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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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let ref lang = repl.get_cur_language_state();
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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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},
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_ => {
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writeln!(buf, "Command-specific help not available yet").unwrap();
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}
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};
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Some(buf)
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}
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42
schala-repl/src/repl/help.rs
Normal file
42
schala-repl/src/repl/help.rs
Normal file
@ -0,0 +1,42 @@
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use std::fmt::Write as FmtWrite;
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use super::{Repl, InterpreterDirectiveOutput};
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use crate::repl::command_tree::CommandTree;
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pub fn help(repl: &mut Repl, arguments: &[&str]) -> InterpreterDirectiveOutput {
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let mut buf = String::new();
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let directives = match repl.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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match arguments {
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[] => return global_help(repl),
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_ => {
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writeln!(buf, "Command-specific help not available yet").unwrap();
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}
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};
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Some(buf)
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}
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fn global_help(repl: &mut Repl) -> InterpreterDirectiveOutput {
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let mut buf = String::new();
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let directives = match repl.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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let ref lang = repl.get_cur_language_state();
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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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Some(buf)
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}
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@ -13,6 +13,7 @@ use repl_options::ReplOptions;
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mod directive_actions;
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mod directives;
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use directives::directives_from_pass_names;
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mod help;
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const HISTORY_SAVE_FILE: &'static str = ".schala_history";
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const OPTIONS_SAVE_FILE: &'static str = ".schala_repl";
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