Function Syntax: CHECKPARENS Version: 1.0 Date: 20.06.2026 6:38:56PM Version: 1.0 Date: 11.08.2026 3:34:03PM WEB Description 🧩 CheckParens is an AutoCAD AutoLISP validation tool for checking opening and closing parenthesis balance in a selected LSP source file. 🎛️ A DCL folder chooser lets the user select between @try AutoCAD and Civil 3D categories before choosing the LISP file. 🔎 The scanner ignores semicolon comments outside strings and counts parentheses outside quoted strings to identify an early extra closing parenthesis and the final balance. Function Syntax Main command: CHECKPARENS Primary Workflow 1. Run CHECKPARENS from AutoCAD. 2. Choose the source category using the DCL dialog. 3. Choose the relevant menu folder when AutoCAD or Civil 3D is selected. 4. Select the LSP file through the file dialog. 5. The routine strips comments that begin outside quoted strings. 6. Opening and closing parentheses outside strings are counted. 7. AutoCAD reports the first extra closing parenthesis line when found and the final parenthesis balance. Functionalities ✅ Category selection - provides @try AutoCAD and Civil 3D source categories. ✅ Menu folder selection - lists predefined AutoCAD and Civil 3D menu folders. ✅ DCL interface - creates a temporary folder selection dialog. ✅ Comment aware scan - ignores semicolon comments that begin outside quoted strings. ✅ String aware scan - does not count parentheses located inside quoted strings. ✅ Early extra parenthesis detection - reports the first source line where balance becomes negative. ✅ Final balance report - prints the final parenthesis count which should be zero for a balanced file. Important Notes ⚠️ The configured source root paths are hard coded. ⚠️ The routine checks parenthesis balance only and does not fully validate AutoLISP syntax or runtime behavior. ⚠️ The string handling toggles on each quotation mark and does not implement a complete escaped quote parser. ⚠️ The selected LISP source file is read only and is not modified. SEO Keywords 🏷️ AutoCAD 🏷️ Civil 3D 🏷️ AutoLISP 🏷️ LISP validator 🏷️ Parenthesis checker 🏷️ DCL 🏷️ Syntax diagnostics 🏷️ LSP checker 🏷️ AutoCAD troubleshooting 🏷️ CAD diagnostics