Add error checking

Author: sharktide

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 All notable changes to the "restructuredpython" extension will be documented in this file. Versions older than 1.2.0 will not be documented.
 
+# 2.1.0
+
+- Error Checking
+
 # 2.0.0
 
 - INTELLISENSE!

errorChecker.js

@@ -6,7 +6,6 @@ export function updateDiagnostics(doc: vscode.TextDocument, declaredVariables: S
     const diagnostics: vscode.Diagnostic[] = [];
     const text = doc.getText();
     const lines = text.split(/\r?\n/);
-
     lines.forEach((line, i) => {
         const lineText = line.trim();
 
@@ -15,6 +14,20 @@ export function updateDiagnostics(doc: vscode.TextDocument, declaredVariables: S
             const range = new vscode.Range(i, line.length - 2, i, line.length);
             diagnostics.push(new vscode.Diagnostic(range, "Unexpected ';' at end of line", vscode.DiagnosticSeverity.Error));
         }
+        const trimmedLine = line.trim();
+
+        // Direct string matching (like Python)
+        if (trimmedLine.startsWith("} else") ||
+            trimmedLine.startsWith("} elif") ||
+            trimmedLine.startsWith("} except") ||
+            trimmedLine.startsWith("} def") ||
+            trimmedLine.startsWith("} class") ||
+            trimmedLine.startsWith("} case")) {
+            
+            const range = new vscode.Range(i, 0, i, line.length);
+            diagnostics.push(new vscode.Diagnostic(range, `Misplaced '${trimmedLine}' statement.`, vscode.DiagnosticSeverity.Error));
+        }
+
     });
 
     collection.set(doc.uri, diagnostics);

errorChecker.ts

@@ -2,7 +2,7 @@
   "name": "restructuredpython",
   "displayName": "reStructuredPython",
   "description": "Support for the language reStructuredPython",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "publisher": "RihaanMeher",
   "icon": "icons/icon.png",
   "repository": {