From 3987360f8e689fab8f5b07e60ab4c2f9a1538003 Mon Sep 17 00:00:00 2001
From: greg <greg.shuflin@protonmail.com>
Date: Sat, 1 Jun 2019 13:11:07 -0700
Subject: [PATCH] Working on directives

---
 schala-repl/src/repl/directives.rs |  9 ++-------
 schala-repl/src/repl/mod.rs        | 22 +++++++++++++++++-----
 2 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/schala-repl/src/repl/directives.rs b/schala-repl/src/repl/directives.rs
index 5c7945c..191b252 100644
--- a/schala-repl/src/repl/directives.rs
+++ b/schala-repl/src/repl/directives.rs
@@ -3,14 +3,9 @@ use itertools::Itertools;
 
 use crate::repl::Repl;
 use crate::repl::command_tree::CommandTree;
-use crate::language::{ProgrammingLanguageInterface, LangMetaRequest, LangMetaResponse, DebugAsk, DebugResponse}; 
-
-pub fn get_directives(language_state: &mut Box<ProgrammingLanguageInterface>) -> CommandTree {
-  let pass_names = match language_state.request_meta(LangMetaRequest::StageNames) {
-    LangMetaResponse::StageNames(names) => names,
-    _ => vec![],
-  };
+use crate::language::{LangMetaRequest, LangMetaResponse, DebugAsk, DebugResponse}; 
 
+pub fn directives_from_pass_names(pass_names: &Vec<String>) -> CommandTree {
   let passes_directives: Vec<CommandTree> = pass_names.iter()
     .map(|pass_name| { CommandTree::nonterm_no_further_tab_completions(pass_name, None) })
     .collect();
diff --git a/schala-repl/src/repl/mod.rs b/schala-repl/src/repl/mod.rs
index 658a0ca..f3a1bc8 100644
--- a/schala-repl/src/repl/mod.rs
+++ b/schala-repl/src/repl/mod.rs
@@ -5,14 +5,14 @@ use std::collections::HashSet;
 use colored::*;
 use crate::language::{ProgrammingLanguageInterface,
 ComputationRequest, ComputationResponse,
-DebugAsk};
+DebugAsk, LangMetaResponse, LangMetaRequest};
 
 mod command_tree;
 use self::command_tree::{CommandTree, BoxedCommandFunction};
 mod repl_options;
 use repl_options::ReplOptions;
 mod directives;
-use directives::get_directives;
+use directives::directives_from_pass_names;
 
 const HISTORY_SAVE_FILE: &'static str = ".schala_history";
 const OPTIONS_SAVE_FILE: &'static str = ".schala_repl";
@@ -22,19 +22,26 @@ pub struct Repl {
   line_reader: ::linefeed::interface::Interface<::linefeed::terminal::DefaultTerminal>,
   language_states: Vec<Box<ProgrammingLanguageInterface>>,
   options: ReplOptions,
+  directives: CommandTree,
 }
 
 impl Repl {
-  pub fn new(initial_states: Vec<Box<ProgrammingLanguageInterface>>) -> Repl {
+  pub fn new(mut initial_states: Vec<Box<ProgrammingLanguageInterface>>) -> Repl {
     use linefeed::Interface;
     let line_reader = Interface::new("schala-repl").unwrap();
     let interpreter_directive_sigil = ':';
 
+    let pass_names = match initial_states[0].request_meta(LangMetaRequest::StageNames) {
+      LangMetaResponse::StageNames(names) => names,
+      _ => vec![],
+    };
+
     Repl {
       interpreter_directive_sigil,
       line_reader,
       language_states: initial_states,
       options: ReplOptions::new(),
+      directives: directives_from_pass_names(&pass_names)
     }
   }
 
@@ -84,7 +91,7 @@ impl Repl {
 
   fn update_line_reader(&mut self) {
     let tab_complete_handler = TabCompleteHandler::new(self.interpreter_directive_sigil, self.get_directives());
-    self.line_reader.set_completer(Arc::new(tab_complete_handler));
+    self.line_reader.set_completer(Arc::new(tab_complete_handler)); //TODO fix this here
     let prompt_str = format!(">> ");
     self.line_reader.set_prompt(&prompt_str).unwrap();
   }
@@ -222,7 +229,12 @@ impl Repl {
 
   fn get_directives(&mut self) -> CommandTree {
     let language_state = self.get_cur_language_state();
-    get_directives(language_state)
+    let pass_names = match language_state.request_meta(LangMetaRequest::StageNames) {
+      LangMetaResponse::StageNames(names) => names,
+      _ => vec![],
+    };
+
+    directives_from_pass_names(&pass_names)
   }
 }