implementing embeds

lang/src/codegen.rs

@@ -727,7 +727,6 @@ mod trap {
 #[derive(Default)]
 pub struct Codegen {
     pub files: Vec<parser::Ast>,
-    pub embeds: Vec<Vec<u8>>,
     tasks: Vec<Option<FTask>>,
 
     tys: Types,
@@ -737,6 +736,17 @@ pub struct Codegen {
 }
 
 impl Codegen {
+    pub fn push_embeds(&mut self, embeds: Vec<Vec<u8>>) {
+        self.tys.ins.globals = embeds
+            .into_iter()
+            .map(|data| Global {
+                ty: self.tys.make_array(ty::Id::U8, data.len() as _),
+                data,
+                ..Default::default()
+            })
+            .collect();
+    }
+
     pub fn generate(&mut self, root: FileId) {
         self.ci.emit_entry_prelude();
         self.find_or_declare(0, root, Err("main"), "");
@@ -791,6 +801,7 @@ impl Codegen {
         use {Expr as E, TokenKind as T};
         let value = match *expr {
             E::Mod { id, .. } => Some(Value::ty(ty::Kind::Module(id).compress())),
+            E::Embed { id, .. } => Some(Value::ty(ty::Kind::Global(id).compress())),
             E::Struct { captured, packed, fields, pos, .. } => {
                 if captured.is_empty() {
                     Some(Value::ty(

lang/src/fs.rs

@@ -10,9 +10,7 @@ use {
         collections::VecDeque,
         eprintln,
         ffi::OsStr,
-        io::{
+        io::{self, Write as _},
-            Write as _, {self},
-        },
         path::{Path, PathBuf},
         string::ToString,
         sync::Mutex,
@@ -90,7 +88,7 @@ pub fn run_compiler(root_file: &str, options: Options, out: &mut Vec<u8>) -> std
     } else {
         let mut codegen = codegen::Codegen::default();
         codegen.files = parsed.ast;
-        codegen.embeds = parsed.embeds;
+        codegen.push_embeds(parsed.embeds);
 
         codegen.generate(0);
         if options.dump_asm {

lang/src/lib.rs

@@ -667,6 +667,7 @@ struct TypedReloc {
     reloc: Reloc,
 }
 
+#[derive(Clone)]
 struct Global {
     file: FileId,
     name: Ident,