editor go brr?

Cargo.lock

@@ -653,6 +653,12 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "colorful"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffb474a9c3219a8254ead020421ecf1b90427f29b55f6aae9a2471fa62c126ef"
+
 [[package]]
 name = "combine"
 version = "4.6.7"
@@ -866,6 +872,16 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d8b14ccef22fc6f5a8f4d7d768562a182c04ce9a3b3157b91390b52ddfdf1a76"
 
+[[package]]
+name = "dsa_editor"
+version = "0.1.0"
+dependencies = [
+ "colorful",
+ "eframe",
+ "egui",
+ "serde",
+]
+
 [[package]]
 name = "ecolor"
 version = "0.31.1"
@@ -1002,6 +1018,7 @@ dependencies = [
  "assembler",
  "common",
  "dirs",
+ "dsa_editor",
  "eframe",
  "egui",
  "rfd",

assembler/src/main.rs

@@ -1,16 +1,85 @@
 use std::fs;
 
 use assembler::{lexer, parser::Parser};
+use common::prelude::{ITypeArgs, Instruction, RTypeArgs, Register};
 
 fn main() {
-    let program = fs::read_to_string("../resources/dsa/print.dsa").unwrap();
-    let tokens = lexer::lexer(program).unwrap();
+    // let program = fs::read_to_string("../resources/dsa/print.dsa").unwrap();
+    // let tokens = lexer::lexer(program).unwrap();
 
-    println!("{:?}", tokens);
+    // println!("{:?}", tokens);
 
-    let parser = Parser::new(tokens);
+    // let parser = Parser::new(tokens);
 
-    for node in parser {
-        println!("{:?}", node);
+    // for node in parser {
+    //     println!("{:?}", node);
+    // }
+
+    // generate some instructions
+    let ins = vec![
+        // Initialize first two Fibonacci numbers
+        // F(0) = 0, F(1) = 1
+
+        // Load 0 into Rg0 (F(0))
+        Instruction::LoadLowerImmediate(ITypeArgs::new(0, None, Some(Register::Rg0))),
+        // Load 1 into Rg1 (F(1))
+        Instruction::LoadLowerImmediate(ITypeArgs::new(1, None, Some(Register::Rg1))),
+        // Load loop counter (how many more numbers to calculate)
+        // Let's calculate 8 Fibonacci numbers total (0,1,1,2,3,5,8,13)
+        Instruction::LoadLowerImmediate(ITypeArgs::new(6, None, Some(Register::Rg2))), // 6 more iterations
+        // Load 0 for comparison
+        Instruction::LoadLowerImmediate(ITypeArgs::new(0, None, Some(Register::Zero))),
+        // Fibonacci calculation loop starts here (address 4)
+        // Calculate next Fibonacci number: F(n) = F(n-1) + F(n-2)
+        Instruction::Add(RTypeArgs::new(
+            Some(Register::Rg0), // F(n-2)
+            Some(Register::Rg1), // F(n-1)
+            Some(Register::Rg3), // F(n) result
+            None,
+        )),
+        // Shift the sequence: Rg0 = Rg1, Rg1 = Rg3
+        Instruction::Mov(RTypeArgs::new(
+            Some(Register::Rg1),
+            Some(Register::NoReg),
+            Some(Register::Rg0),
+            None,
+        )),
+        Instruction::Mov(RTypeArgs::new(
+            Some(Register::Rg3),
+            Some(Register::NoReg),
+            Some(Register::Rg1),
+            None,
+        )),
+        // Decrement counter
+        Instruction::Decrement(RTypeArgs::new(
+            Some(Register::Rg2),
+            Some(Register::NoReg),
+            Some(Register::Rg2),
+            None,
+        )),
+        // Compare counter with 0
+        Instruction::Compare(RTypeArgs::new(
+            Some(Register::Rg2),
+            Some(Register::Zero),
+            Some(Register::NoReg),
+            None,
+        )),
+        // Jump back to loop if counter > 0 (address 4)
+        // JGT jumps if greater than flag is set
+        Instruction::JumpGt(ITypeArgs::new(4, None, None)),
+        // Program complete - the final Fibonacci number is in Rg1
+        // Let's move it to the accumulator for easy access
+        Instruction::Mov(RTypeArgs::new(
+            Some(Register::Rg1),
+            Some(Register::NoReg),
+            Some(Register::Acc),
+            None,
+        )),
+        // Halt the processor
+        Instruction::Halt,
+    ];
+
+    for i in ins.iter() {
+        println!("0x{:08x}", i.encode());
     }
 }

common/src/instructions.rs

@@ -344,7 +344,9 @@ impl std::fmt::Display for Instruction {
         write!(f, "{}", self.mnemonic())?;
 
         match self {
-            Self::Mov(args) | Self::MovSigned(args) => write!(f, " {}, {}", args.sr1, args.dr),
+            Self::Mov(args) | Self::MovSigned(args) => {
+                write!(f, " {}, {}", args.sr1, args.dr)
+            }
             Self::LoadByte(args)
             | Self::LoadByteSigned(args)
             | Self::LoadHalfword(args)
@@ -365,9 +367,11 @@ impl std::fmt::Display for Instruction {
                 write!(f, " ({:x}){}", args.immediate, args.r1)
             }
             Self::LoadLowerImmediate(args) | Self::LoadUpperImmediate(args) => {
-                write!(f, " {}, {}", args.r1, args.r2)
+                write!(f, " {}, {}, {}", args.immediate, args.r1, args.r2)
+            }
+            Self::Compare(args) | Self::Not(args) => {
+                write!(f, " {}, {}", args.sr1, args.sr2)
             }
-            Self::Compare(args) | Self::Not(args) => write!(f, " {}, {}", args.sr1, args.sr2),
 
             Self::Add(args)
             | Self::Sub(args)

emulator/Cargo.toml

@@ -10,7 +10,9 @@ path = "src/lib.rs"
 [dependencies]
 common = { path = "../common" }
 assembler = { path = "../assembler" }
+dsa_editor = { path = "../dsa_editor" }
 eframe = "0.31.1"
 egui = "0.31.1"
 rfd = "0.15.3"
 dirs = "6.0.0"
+

emulator/src/emulator/ui/editor.rs

@@ -1,15 +1,19 @@
-use std::sync::mpsc::Sender;
+use std::{ffi::OsStr, path::PathBuf, sync::mpsc::Sender};
 
-use egui::{Align, Context, Layout, Ui};
+use assembler::lexer::Symbol;
+use common::prelude::Instruction;
+use egui::{Align, Context, Key, Layout, Ui};
 use rfd::FileDialog;
 
+use dsa_editor::{CodeEditor, ColorTheme, Syntax};
+
 use crate::emulator::{
     system::model::{Command, State},
     ui::interface::Component,
 };
 
 pub struct Editor {
-    filename: String,
+    path: PathBuf,
     text: String,
     output: Vec<u8>,
     sender: Sender<Command>,
@@ -37,6 +41,11 @@ impl Component for Editor {
     fn render(&mut self, state: &mut State, ui: &mut Ui, ctx: &Context) {
         ui.vertical(|ui| {
             // Top bar
+
+            if ui.input(|i| i.key_pressed(Key::S) && i.modifiers.ctrl) {
+                self.save();
+            };
+
             self.render_toolbar(state, ui, ctx);
 
             ui.add_space(4.0); // Add some spacing instead of just a separator
@@ -61,9 +70,9 @@ impl Component for Editor {
 
 impl Editor {
     #[must_use]
-    pub const fn new(sender: Sender<Command>) -> Self {
+    pub fn new(sender: Sender<Command>) -> Self {
         Self {
-            filename: String::new(),
+            path: PathBuf::new(),
             text: String::new(),
             output: Vec::new(),
             sender,
@@ -76,11 +85,68 @@ impl Editor {
         }
     }
 
+    fn filename(&self) -> &str {
+        self.path
+            .file_name()
+            .unwrap_or(OsStr::new("Unnamed!"))
+            .to_str()
+            .unwrap()
+    }
+
+    fn extension(&self) -> &str {
+        self.path
+            .extension()
+            .unwrap_or(OsStr::new("Unknown!"))
+            .to_str()
+            .unwrap()
+    }
+
+    fn save(&mut self) {
+        let work_dir = std::env::current_dir().unwrap_or_else(|_| {
+            dirs::home_dir().expect(
+                "Couldn't get your current working directory or your home directory.",
+            )
+        });
+
+        if let Some(path) = FileDialog::new()
+            .add_filter("damn simple files", &["dsa", "dsb", "dsc", "dsd"])
+            .add_filter("all", &["*"])
+            .set_directory(&work_dir)
+            .save_file()
+        {
+            if let Err(why) = std::fs::write(&path, &self.text) {
+                self.error = Some(format!("Failed to save file: {why}"));
+            } else {
+                self.path = path;
+            }
+        }
+    }
+
+    fn open(&mut self) {
+        let work_dir = std::env::current_dir().unwrap_or_else(|_| {
+            dirs::home_dir().expect(
+                "Couldn't get your current working directory or your home directory.",
+            )
+        });
+
+        if let Some(path) = FileDialog::new()
+            .add_filter("damn simple files", &["dsa", "dsb", "dsc", "dsd"])
+            .add_filter("all", &["*"])
+            .set_directory(&work_dir)
+            .pick_file()
+        {
+            if let Ok(contents) = std::fs::read_to_string(&path) {
+                self.path = path;
+                self.text = contents;
+            }
+        }
+    }
+
     fn render_output(&self, _state: &mut State, ui: &mut Ui, _ctx: &Context) {
         // Output area with synchronized scrolling
         egui::ScrollArea::vertical()
             .id_salt("output_scroll")
-            .max_width(300.0)
+            .max_width(350.0)
             .show(ui, |ui| {
                 if self.output.is_empty() {
                     ui.label(
@@ -92,8 +158,8 @@ impl Editor {
                 }
 
                 egui::Grid::new("output_grid")
+                    .spacing([5.0, 2.0]) // Horizontal and vertical spacing
                     .num_columns(4)
-                    .spacing([20.0, 2.0]) // Horizontal and vertical spacing
                     .striped(false)
                     .show(ui, |ui| {
                         // Process bytes in chunks of 4
@@ -107,7 +173,7 @@ impl Editor {
                                     bytes[i] = byte;
                                 }
                             }
-                            let value = u32::from_le_bytes(bytes);
+                            let value = u32::from_be_bytes(bytes);
 
                             // Address column
                             ui.with_layout(
@@ -144,9 +210,14 @@ impl Editor {
                                     .color(egui::Color32::from_rgb(255, 200, 200)),
                             );
 
-                            // Decimal column
+                            // Instruction column
+                            let instruction = match Instruction::decode(value) {
+                                Ok(instruction) => instruction.to_string(),
+                                Err(_) => format!("{value:10}"),
+                            };
+
                             ui.label(
-                                egui::RichText::new(format!("{value:10}"))
+                                egui::RichText::new(instruction)
                                     .font(egui::FontId::monospace(12.0))
                                     .color(egui::Color32::from_rgb(200, 255, 200)),
                             );
@@ -159,75 +230,26 @@ impl Editor {
 
     fn render_editor(&mut self, _state: &mut State, ui: &mut Ui, _ctx: &Context) {
         let available_width = ui.available_width();
+        let syntax = match self.extension() {
+            "dsa" => Syntax::dsa(),
+            _ => Syntax::dsa(),
+        };
 
-        // Main editor area with synchronized scrolling
-        egui::ScrollArea::vertical()
-            .max_width(available_width - 400.0)
-            .id_salt("editor_scroll")
-            .show(ui, |ui| {
-                ui.horizontal(|ui| {
-                    // Line numbers column
-                    let line_count = self.text.lines().count();
-                    ui.vertical(|ui| {
-                        ui.set_width(50.0);
-                        ui.style_mut().visuals.widgets.inactive.bg_fill =
-                            egui::Color32::from_gray(30);
-
-                        // Calculate line height to match text editor
-                        let line_height =
-                            ui.text_style_height(&egui::TextStyle::Monospace);
-
-                        for line_num in 1..=line_count {
-                            let line_response = ui.allocate_response(
-                                egui::vec2(50.0, line_height),
-                                egui::Sense::hover(),
-                            );
-
-                            ui.painter().text(
-                                line_response.rect.left_center() + egui::vec2(5.0, 0.0),
-                                egui::Align2::LEFT_CENTER,
-                                format!("{line_num:3}"),
-                                egui::FontId::monospace(12.0),
-                                ui.style().visuals.text_color(),
-                            );
-                        }
-                    });
-
-                    ui.separator();
-
-                    // Text editor area
-                    ui.vertical(|ui| {
-                        let available_size = ui.available_size();
-                        let response = ui.add_sized(
-                            available_size,
-                            egui::TextEdit::multiline(&mut self.text)
-                                .font(egui::TextStyle::Monospace)
-                                .margin(egui::vec2(5.0, 0.0))
-                                .code_editor(),
-                        );
-
-                        // Update cursor position when text changes
-                        if response.changed() {
-                            // Simple but functional cursor tracking
-                            let lines = self.text.lines().collect::<Vec<_>>();
-                            self.cursor_line = lines.len().max(1);
-
-                            // Get the length of the last line for column position
-                            if let Some(last_line) = lines.last() {
-                                self.cursor_col = last_line.chars().count() + 1;
-                            } else {
-                                self.cursor_col = 1;
-                            }
-                        }
-                    });
-                });
-            });
+        CodeEditor::default()
+            .id_source("editor")
+            .with_fontsize(12.0)
+            .with_rows(0)
+            .with_theme(ColorTheme::default())
+            .with_syntax(syntax)
+            .with_numlines(true)
+            .desired_width(available_width - 450.0)
+            .show(ui, &mut self.text);
     }
 
     fn render_toolbar(&mut self, _state: &mut State, ui: &mut Ui, _ctx: &Context) {
         ui.horizontal(|ui| {
-            // current filename
-            ui.label(format!("File: {}", self.filename));
+            ui.label(format!("File type: {}", self.extension()));
+            ui.label(format!("Filename: {}", self.filename()));
 
             // error display
             ui.label(
@@ -243,52 +265,21 @@ impl Editor {
         });
 
         ui.horizontal(|ui| {
-            let work_dir = std::env::current_dir().unwrap_or_else(|_| {
-                dirs::home_dir().expect(
-                    "Couldn't get your current working directory or your home directory.",
-                )
-            });
-
             ui.spacing_mut().button_padding = egui::vec2(8.0, 4.0);
             ui.spacing_mut().item_spacing.x = 6.0;
 
             // Opens a file
             if ui.button("Open").clicked() {
-                if let Some(path) = FileDialog::new()
-                    .add_filter("dsafiles", &["dsa", "dsb", "dsc", "dsd"])
-                    .add_filter("all", &["*"])
-                    .set_directory(&work_dir)
-                    .pick_file()
-                {
-                    if let Ok(content) = std::fs::read_to_string(&path) {
-                        self.text = content;
-                        self.filename = path.display().to_string();
-                    }
-                }
-
-                self.output = Vec::new();
+                self.open();
             }
 
             // Saves the current file
             if ui.button("Save").clicked() {
-                if let Some(path) = FileDialog::new()
-                    .add_filter("dsafiles", &["dsa", "dsb", "dsc", "dsd"])
-                    .add_filter("all", &["*"])
-                    .set_directory(&work_dir)
-                    .save_file()
-                {
-                    if let Err(why) = std::fs::write(&path, &self.text) {
-                        self.error = Some(format!("Failed to save file: {why}"));
-                    } else {
-                        self.filename = path.display().to_string();
-                    }
-                }
+                self.save();
             }
 
             // builds the current file
             if ui.button("Build").clicked() {
-                let _instructions = assembler::assemble(&self.text);
-
                 // TODO: uncomment this once assembler works!!!
                 // let instructions = assembler::assemble(&self.text);
                 // self.output = instructions
@@ -296,7 +287,13 @@ impl Editor {
                 //     .flat_map(|i| i.encode().to_le_bytes().to_vec())
                 //     .collect();
 
-                self.output = vec![0x00; 256];
+                self.output = vec![
+                    0x2e, 0xe0, 0x00, 0x00, 0x2e, 0xe1, 0x00, 0x01, 0x2e, 0xe2, 0x00,
+                    0x06, 0x2e, 0xf6, 0x00, 0x00, 0x64, 0x01, 0x18, 0x00, 0x04, 0x37,
+                    0x00, 0x00, 0x04, 0x77, 0x08, 0x00, 0x58, 0x57, 0x10, 0x00, 0x50,
+                    0x56, 0xb8, 0x00, 0x42, 0xf7, 0x00, 0x04, 0x04, 0x37, 0x80, 0x00,
+                    0x92, 0xf7, 0xb8, 0x00,
+                ];
             }
 
             // Loads the generated binary into the assembler at the provided offset