Add JS generator

examples_out/out.js

@@ -0,0 +1,3 @@
+function main() {}
+function fib() {}
+main()

src/generator/js.rs

@@ -0,0 +1,31 @@
+use crate::generator::Generator;
+use crate::parser::node_type::*;
+
+pub struct JsGenerator;
+
+impl Generator for JsGenerator {
+    fn generate(prog: Program) -> String {
+        let mut code = prog
+            .func
+            .into_iter()
+            .map(|f| generate_function(f))
+            .collect();
+
+        code += "main()";
+
+        return code;
+    }
+}
+
+fn generate_function(func: Function) -> String {
+    let arguments: String = func
+        .arguments
+        .into_iter()
+        .map(|arg: Variable| format!("{},", arg.name))
+        .collect();
+    let mut raw = format!("function {N}({A}) ", N = func.name, A = arguments);
+
+    raw += "{}\n";
+
+    raw
+}

src/generator/mod.rs

@@ -1,5 +1,6 @@
 use crate::parser::node_type::Program;
 
+pub mod js;
 pub mod x86;
 
 pub trait Generator {

src/main.rs

@@ -19,8 +19,8 @@ fn main() -> Result<(), String> {
 
     let program = parser::parse(tokens, Some(contents))?;
 
-    let output = generator::x86::X86Generator::generate(program);
-    let mut file = std::fs::File::create("examples_out/out.asm").expect("create failed");
+    let output = generator::js::JsGenerator::generate(program);
+    let mut file = std::fs::File::create("examples_out/out.js").expect("create failed");
     file.write_all(output.as_bytes()).expect("write failed");
     file.flush().expect("Could not flush file");
     Ok(())