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main.py

@@ -0,0 +1,156 @@
+import sys
+import tkinter as tk
+
+debug = False
+in_pos = 0
+if debug:
+    grid = [[0 for _ in range(10)] for _ in range(10)]
+else:
+    grid = [[0 for _ in range(1024)] for _ in range(1024)]
+position = (0, 0)
+rotation = 1
+result = ""
+
+
+def reset():
+    global in_pos
+    global grid
+    global position
+    global rotation
+    global result
+    output_text_widget.config(state=tk.NORMAL)
+    output_text_widget.delete("1.0", tk.END)
+    output_text_widget.config(state=tk.DISABLED)
+    in_pos = 0
+    if debug:
+        grid = [[0 for _ in range(10)] for _ in range(10)]
+    else:
+        grid = [[0 for _ in range(1024)] for _ in range(1024)]
+    position = (0, 0)
+    rotation = 1
+    result = ""
+
+
+def run_command(command):
+    usr_in = input_text_widget2.get("1.0", tk.END)
+    global result
+    global rotation
+    global position
+    global in_pos
+    match command:
+        case "/":
+            if rotation > 1:
+                rotation -= 1
+            else:
+                rotation = 4
+        case "\\":
+            if rotation < 4:
+                rotation += 1
+            else:
+                rotation = 1
+        case "<":
+            x, y = position
+            grid[y][x] = ord(usr_in[in_pos])
+            in_pos += 1
+        case ">":
+            x, y = position
+            result += chr(grid[y][x])
+        case "+":
+            x, y = position
+            grid[y][x] += 1
+        case "=":
+            x, y = position
+            result += str(grid[y][x])
+        case "^":
+            match rotation:
+                case 1:
+                    position = (position[0], position[1] + 1)
+                case 2:
+                    position = (position[0] + 1, position[1])
+                case 3:
+                    position = (position[0], position[1] - 1)
+                case 4:
+                    position = (position[0] - 1, position[1])
+        case "-":
+            x, y = position
+            grid[y][x] -= 1
+
+
+def main():
+    global result
+    skip = -1
+    code = input_text_widget.get("1.0", tk.END)
+    i = -1
+    # noinspection PyBroadException
+    try:
+        while i != len(code):
+            i += 1
+            if i > skip:
+                match code[i]:
+                    case "[":
+                        x, y = position
+                        if grid[y][x] == 0:
+                            stack = []
+                            for num, char in enumerate(code):
+                                if char == '[':
+                                    stack.append(num)
+                                elif char == ']':
+                                    opening_bracket_index = stack.pop()
+                                    if opening_bracket_index == i:
+                                        skip = num
+                    case "]":
+                        x, y = position
+                        if grid[y][x] != 0:
+                            stack = []
+                            for num, char in enumerate(code):
+                                if char == '[':
+                                    stack.append(num)
+                                elif char == ']':
+                                    opening_bracket_index = stack.pop()
+                                    if i == i:
+                                        i = opening_bracket_index - 1
+                    case _:
+                        run_command(code[i])
+    except:
+        if debug:
+            for line in grid:
+                print(line)
+        output_text_widget.config(state=tk.NORMAL)
+        output_text_widget.delete("1.0", tk.END)
+        output_text_widget.insert(tk.END, result)
+        output_text_widget.config(state=tk.DISABLED)
+        return 0
+
+
+def on_closing():
+    root.destroy()
+    sys.exit()
+
+
+root = tk.Tk()
+root.title("CAR# interpreter by Niko Strauch")
+root.configure(bg="#ddd")
+root.iconbitmap("")
+
+tk.Label(root, text="Code", bg="#ddd").grid(row=0, column=0, padx=10, pady=5, sticky="w")
+tk.Label(root, text="Input", bg="#ddd").grid(row=2, column=0, padx=10, pady=5, sticky="w")
+tk.Label(root, text="Output", bg="#ddd").grid(row=5, column=0, padx=10, pady=5, sticky="w")
+
+input_text_widget = tk.Text(root, wrap=tk.WORD, width=100, height=10, bd=1, relief=tk.SOLID)
+input_text_widget.grid(row=1, column=0, padx=10, pady=10, columnspan=2)
+
+input_text_widget2 = tk.Text(root, wrap=tk.WORD, width=100, height=1, bd=1, relief=tk.SOLID)
+input_text_widget2.grid(row=3, column=0, padx=10, pady=5, columnspan=2)
+
+process_button = tk.Button(root, text="Process", command=main, bd=1, relief=tk.SOLID)
+process_button.grid(row=4, column=0, padx=10, pady=5)
+
+reset_button = tk.Button(root, text="Reset", command=reset, bd=1, relief=tk.SOLID)
+reset_button.grid(row=4, column=1, padx=10, pady=5)
+
+output_text_widget = tk.Text(root, wrap=tk.WORD, width=100, height=10, state=tk.DISABLED, bd=1, relief=tk.SOLID)
+output_text_widget.grid(row=6, column=0, padx=10, pady=10, columnspan=2)
+
+root.protocol("WM_DELETE_WINDOW", on_closing)
+
+root.mainloop()