From 1c11fec8039296632ba3eb67957e0c55d2385837 Mon Sep 17 00:00:00 2001
From: greg <greg.shuflin@protonmail.com>
Date: Mon, 1 Oct 2018 20:53:41 -0700
Subject: [PATCH] Move hardcoded string file names into vars

---
 schala-repl/src/repl.rs | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/schala-repl/src/repl.rs b/schala-repl/src/repl.rs
index 7a8ae36..4ff75ef 100644
--- a/schala-repl/src/repl.rs
+++ b/schala-repl/src/repl.rs
@@ -7,6 +7,9 @@ use itertools::Itertools;
 use language::{ProgrammingLanguageInterface, EvalOptions,
   PassDebugOptionsDescriptor};
 
+const HISTORY_SAVE_FILE: &'static str = ".schala_history";
+const OPTIONS_SAVE_FILE: &'static str = ".schala_repl";
+
 pub struct Repl {
   options: EvalOptions,
   languages: Vec<Box<ProgrammingLanguageInterface>>,
@@ -36,7 +39,7 @@ impl Repl {
   }
 
   fn get_options() -> EvalOptions {
-    File::open(".schala_repl")
+    File::open(OPTIONS_SAVE_FILE)
       .and_then(|mut file| {
         let mut contents = String::new();
         file.read_to_string(&mut contents)?;
@@ -50,14 +53,14 @@ impl Repl {
 
   fn save_options(&self) {
     let ref options = self.options;
-    let read = File::create(".schala_repl")
+    let read = File::create(OPTIONS_SAVE_FILE)
       .and_then(|mut file| {
         let buf = ::serde_json::to_string(options).unwrap();
         file.write_all(buf.as_bytes())
       });
 
     if let Err(err) = read {
-      println!("Error saving .schala_repl file {}", err);
+      println!("Error saving {} file {}", OPTIONS_SAVE_FILE, err);
     }
   }
 
@@ -67,7 +70,7 @@ impl Repl {
     println!("Schala MetaInterpreter version {}", ::VERSION_STRING);
     println!("Type {}help for help with the REPL", self.interpreter_directive_sigil);
 
-    self.line_reader.load_history(".schala_history").unwrap_or(());
+    self.line_reader.load_history(HISTORY_SAVE_FILE).unwrap_or(());
 
     loop {
       let language_name = self.get_cur_language().get_language_name();
@@ -96,7 +99,7 @@ impl Repl {
         }
       }
     }
-    self.line_reader.save_history(".schala_history").unwrap_or(());
+    self.line_reader.save_history(HISTORY_SAVE_FILE).unwrap_or(());
     self.save_options();
     println!("Exiting...");
   }