create cells

src/main.rs

@@ -16,12 +16,16 @@ use nac3core::typecheck::{type_inferencer, typedef};
 mod basic_symbol_resolver;
 use basic_symbol_resolver::{Resolver, ResolverInternal};
 
-fn run(code: &String) {
+type RunFn = unsafe extern "C" fn() -> i32;
+
+fn compile<'a>(
+    context: &'a inkwell::context::Context,
+    code: &String,
+) -> Result<inkwell::execution_engine::JitFunction<'a, RunFn>, String> {
     let llvm_options = codegen::CodeGenLLVMOptions {
         opt_level: inkwell::OptimizationLevel::Default,
         target: codegen::CodeGenTargetMachineOptions::from_host(),
     };
-    let context = inkwell::context::Context::create();
     let size_t = context
         .ptr_sized_int_type(
             &llvm_options
@@ -55,8 +59,7 @@ fn run(code: &String) {
         match nac3parser::parser::parse_program(code.as_str(), String::from("cell1").into()) {
             Ok(parser_result) => parser_result,
             Err(err) => {
-                eprintln!("parse error: {}", err);
+                return Err(format!("parse error: {}", err));
-                return;
             }
         };
     for stmt in parser_result {
@@ -68,8 +71,7 @@ fn run(code: &String) {
                 }
             }
             Err(err) => {
-                eprintln!("composer error: {}", err);
+                return Err(format!("composer error: {}", err));
-                return;
             }
         }
     }
@@ -86,15 +88,15 @@ fn run(code: &String) {
 
     if let Err(errors) = composer.start_analysis(true) {
         let error_count = errors.len();
-        eprintln!("{error_count} error(s) occurred during top level analysis.");
+        let mut msg = format!("{error_count} error(s) occurred during top level analysis.");
 
         for (error_i, error) in errors.iter().enumerate() {
             let error_num = error_i + 1;
-            eprintln!("=========== ERROR {error_num}/{error_count} ============");
+            msg.push_str(&format!(
-            eprintln!("{error}");
+                "\n=========== ERROR {error_num}/{error_count} ============\n{error}"
+            ));
         }
-        eprintln!("==================================");
+        return Err(msg);
-        return;
     }
 
     let top_level = Arc::new(composer.make_top_level_context());
@@ -102,8 +104,7 @@ fn run(code: &String) {
     let run_id_def = match resolver.get_identifier_def("run".into()) {
         Ok(run_id_def) => run_id_def,
         Err(_) => {
-            eprintln!("no run() entry point");
+            return Err(format!("no run() entry point"));
-            return;
         }
     };
     let instance = {
@@ -182,29 +183,54 @@ fn run(code: &String) {
     let execution_engine = main
         .create_jit_execution_engine(llvm_options.opt_level)
         .unwrap();
-    type Run = unsafe extern "C" fn() -> i32;
+    return Ok(unsafe { execution_engine.get_function("run").unwrap() });
-    let run: inkwell::execution_engine::JitFunction<Run> =
-        unsafe { execution_engine.get_function("run").unwrap() };
-    println!("{}", unsafe { run.call() });
 }
 
-fn main() -> eframe::Result {
+struct Cell<'a> {
-    inkwell::targets::Target::initialize_all(&inkwell::targets::InitializationConfig::default());
+    code: String,
-
+    context: inkwell::context::Context,
-    let options = eframe::NativeOptions {
+    result: Result<inkwell::execution_engine::JitFunction<'a, RunFn>, String>,
-        viewport: egui::ViewportBuilder::default().with_inner_size([1024.0, 768.0]),
-        ..Default::default()
-    };
-
-    let mut code = String::new();
-
-    eframe::run_simple_native("Cells", options, move |ctx, _frame| {
-        let submit_key = egui::KeyboardShortcut::new(egui::Modifiers::CTRL, egui::Key::Enter);
-        if ctx.input_mut(|i| i.consume_shortcut(&submit_key)) {
-            run(&code);
 }
 
-        egui::CentralPanel::default().show(ctx, |ui| {
+impl<'a> Cell<'a> {
+    fn new() -> Self {
+        Self {
+            code: "".to_string(),
+            context: inkwell::context::Context::create(),
+            result: Err("".to_string()),
+        }
+    }
+
+    fn update(&mut self) {
+        self.result = Err("borrow checker problems".to_string()) //compile(&self.context, &self.code);
+    }
+}
+
+struct Cells<'a> {
+    cells: Vec<Cell<'a>>,
+}
+
+impl Cells<'_> {
+    fn new() -> Self {
+        Self {
+            cells: vec![Cell::new()],
+        }
+    }
+
+    fn update(&mut self) {
+        for cell in self.cells.iter_mut() {
+            cell.update()
+        }
+    }
+
+    fn ensure_last(&mut self) {
+        if self.cells.last().unwrap().result.is_ok() {
+            self.cells.push(Cell::new());
+        }
+    }
+
+    fn ui(&mut self, ui: &mut egui::Ui) {
+        for (cell_i, cell) in self.cells.iter_mut().enumerate() {
             let theme = egui_extras::syntax_highlighting::CodeTheme::from_memory(ui.ctx());
             let mut layouter = |ui: &egui::Ui, string: &str, wrap_width: f32| {
                 let mut layout_job =
@@ -221,8 +247,11 @@ fn main() -> eframe::Result {
                     .collect();
                 ui.fonts(|f| f.layout_job(layout_job))
             };
+            ui.group(|ui| {
+                ui.horizontal(|ui| {
+                    ui.label(format!("[{}]", cell_i));
                     ui.add(
-                egui::TextEdit::multiline(&mut code)
+                        egui::TextEdit::multiline(&mut cell.code)
                             .code_editor()
                             .desired_rows(4)
                             .lock_focus(true)
@@ -231,5 +260,40 @@ fn main() -> eframe::Result {
                             .font(egui::FontId::monospace(16.0)),
                     );
                 });
+                match &cell.result {
+                    Ok(run_fn) => {
+                        ui.label(format!("{}", unsafe { run_fn.call() }));
+                    }
+                    Err(msg) => {
+                        if !msg.is_empty() {
+                            ui.colored_label(egui::Color32::from_rgb(255, 0, 0), msg);
+                        }
+                    }
+                };
+            });
+        }
+    }
+}
+
+fn main() -> eframe::Result {
+    inkwell::targets::Target::initialize_all(&inkwell::targets::InitializationConfig::default());
+
+    let options = eframe::NativeOptions {
+        viewport: egui::ViewportBuilder::default().with_inner_size([1024.0, 768.0]),
+        ..Default::default()
+    };
+
+    let mut cells = Cells::new();
+
+    eframe::run_simple_native("Cells", options, move |ctx, _frame| {
+        let submit_key = egui::KeyboardShortcut::new(egui::Modifiers::CTRL, egui::Key::Enter);
+        if ctx.input_mut(|input| input.consume_shortcut(&submit_key)) {
+            cells.update();
+            cells.ensure_last();
+        }
+
+        egui::CentralPanel::default().show(ctx, |ui| {
+            cells.ui(ui);
+        });
     })
 }