Converted over Maaru to new schema

-partially...

src/language.rs

@@ -98,7 +98,7 @@ impl<PL, T, A, E> LanguageInterface for (PL, PL::Evaluator) where PL: Programmin
 /* below here is new versions of everything */
 
 
-#[derive(Debug)]
+#[derive(Debug, Default)]
 pub struct EvalOptions {
   pub debug_tokens: bool,
   pub debug_parse: bool,
@@ -109,6 +109,9 @@ pub struct EvalOptions {
 pub trait ProgrammingLanguageInterface {
   fn evaluate_in_repl(&mut self, input: &str, eval_options: EvalOptions) -> Vec<String>;
   fn get_language_name(&self) -> String;
+  fn set_option(&mut self, option: &str, value: bool) -> bool {
+    false
+  }
 }
 
 pub trait CompileableLanguage : ProgrammingLanguageInterface {

src/maaru_lang/mod.rs

@@ -13,7 +13,7 @@ pub struct NewMaaru<'a> {
 }
 
 impl<'a> NewMaaru<'a> {
-  fn new() -> NewMaaru<'a> {
+  pub fn new() -> NewMaaru<'a> {
     NewMaaru {
       evaluator: MaaruEvaluator::new(None),
     }

src/main.rs

@@ -20,7 +20,7 @@ mod maaru_lang;
 mod robo_lang;
 
 mod language;
-use language::{ProgrammingLanguage, LanguageInterface, LLVMCodeString, EvaluationMachine};
+use language::{ProgrammingLanguage, LanguageInterface, ProgrammingLanguageInterface, LLVMCodeString, EvaluationMachine};
 
 mod llvm_wrap;
 
@@ -28,11 +28,14 @@ mod virtual_machine;
 use virtual_machine::{run_vm, run_assembler};
 
 fn main() {
-    let languages: Vec<Box<LanguageInterface>> =
+    let languages: Vec<Box<ProgrammingLanguageInterface>> =
         vec![
+            Box::new(maaru_lang::NewMaaru::new()),
+            /*
             Box::new((schala_lang::Schala::new(), schala_lang::SchalaEvaluator::new())),
             Box::new((maaru_lang::Maaru::new(), maaru_lang::MaaruEvaluator::new(None))),
             Box::new((robo_lang::Robo::new(), robo_lang::RoboEvaluator::new())),
+            */
         ];
 
     let option_matches =
@@ -162,14 +165,14 @@ struct Repl {
     pub show_tokens: bool,
     pub show_parse: bool,
     pub show_llvm_ir: bool,
-    languages: Vec<Box<LanguageInterface>>,
+    languages: Vec<Box<ProgrammingLanguageInterface>>,
     current_language_index: usize,
     interpreter_directive_sigil: char,
     reader: LineReader,
 }
 
 impl Repl {
-    fn new(languages: Vec<Box<LanguageInterface>>, initial_index: usize) -> Repl {
+    fn new(languages: Vec<Box<ProgrammingLanguageInterface>>, initial_index: usize) -> Repl {
         let mut reader: linefeed::Reader<_> = linefeed::Reader::new("Metainterpreter").unwrap();
         reader.set_prompt(">> ");
         let i = if initial_index < languages.len() { initial_index } else { 0 };
@@ -212,12 +215,20 @@ impl Repl {
     fn input_handler(&mut self, input: &str) -> String {
       let ref mut language = self.languages[self.current_language_index];
 
-        let mut options = language::LanguageInterfaceOptions::default();
+      let mut options = language::EvalOptions::default();
+      /*
          options.show_tokens = self.show_tokens;
          options.show_parse = self.show_parse;
          options.show_llvm_ir = self.show_llvm_ir;
+         */
 
-        language.evaluate_in_repl(input, options)
+
+      let interpretor_output = language.evaluate_in_repl(input, options);
+      let mut acc = String::new();
+      for i in interpretor_output {
+        acc.push_str(&i)
+      }
+      acc
     }
 
     fn handle_interpreter_directive(&mut self, input: &str) -> bool {