Working transpiler

crates/mist-api/src/transpiler.mist

@@ -16,11 +16,12 @@ pub PathBuf build(bool force) {
     PathBuf src = root.join("src");
     PathBuf out = root.join(".mist/src");
 
-
-    build_dir(&root, &src, &src, &out, force);
+    // build_dir(&root, &src, &src, &out, force);
 
     var master = modules::master_package(src.join("main.mist"), out.join("main.rs"));
 
+    master.transpile(&out);
+
     var elapsed = start.elapsed();
     
     println!(
@@ -31,70 +32,39 @@ pub PathBuf build(bool force) {
     root
 }
 
-void build_dir(Path* root, Path* base_src, Path* current, Path* out, bool force) {
-    var entries = match (fs::read_dir(current)) {
-        Ok[entries] => entries;
-        Err[e] => {
-            eprintln!(
-                "error: failed to read directory {}\n  {}",
-                current.display(),
-                e
-            );
+impl modules::Module {
+    void transpile(self*, PathBuf* parent_dir) {
+        if (self.path.is_dir()) {
+            PathBuf dir = parent_dir.join(&self.name);
             
-            process::exit(1);
+            for (child : &self.children) {
+                child.transpile(&dir);
             }
-    };
+        } else {
+            if (Some("package.mist") == self.path.file_name().unwrap().to_str()) {
+                PathBuf dir = parent_dir.join(&self.name);
+                PathBuf output_file = dir.join("mod.rs");
 
-    for (entry : entries) {
-        var entry = match (entry) {
-            Ok[entry] => entry;
-            Err[e] => {
-                eprintln!("error: failed to read directory entry\n  {}", e);
+                transpile_file(&self.path, &output_file);
 
-                process::exit(1);
+                for (child : &self.children) {
+                    child.transpile(&dir);
                 }
-        };
+            } else {
+                PathBuf output_file = parent_dir.join(&self.name).with_extension("rs");
 
-        PathBuf path = entry.path();
+                transpile_file(&self.path, &output_file);
 
-        if (path.is_dir()) {
-            build_dir(root, base_src, &path, out, force);
-            continue;
+                for (child : &self.children) {
+                    child.transpile(parent_dir);
                 }
-
-        Path* relative = path.strip_prefix(base_src).expect("Failed to strip base src from path");
-
-        if (path.extension().and_then(|var e| e.to_str()) != Some("mist")) {
-            PathBuf dest = out.join(relative);
-
-            Option<Path*> parent = dest.parent();
-
-            if (parent.is_some()) {
-                fs::create_dir_all(parent.unwrap()).expect("failed to create output directory");
             }
-
-            if (!force && should_skip(&path, &dest)) {
-                continue
         }
-
-            fs::copy(&path, dest).expect("Failed to copy non-mist file");
-
-            continue;
     }
+}
 
-        PathBuf output_file = out.join(relative).with_extension("rs");
-
-        if (!force && should_skip(&path, &output_file)) {
-            continue;
-        }
-
-        Option<Path*> parent = output_file.parent();
-
-        if (parent.is_some()) {
-            fs::create_dir_all(parent.unwrap()).expect("failed to create output directory");
-        }
-
-        String source = match (fs::read_to_string(&path)) {
+void transpile_file(PathBuf* path, PathBuf* output_file) {
+    String source = match (fs::read_to_string(path)) {
         Ok[s] => s;
         Err[e] => {
             eprintln!("error: failed to read file {}\n  {}", path.display(), e);
@@ -148,7 +118,6 @@ void build_dir(Path* root, Path* base_src, Path* current, Path* out, bool force)
 
         process::exit(1);
     }
-    }
 }
 
 bool should_skip(Path* source, Path* output) {