change how compiler error works

Author: efekos

src/diagnostic.ts

@@ -1,34 +1,33 @@
-import { DiagnosticSeverity, DocumentDiagnosticReportKind, FullDocumentDiagnosticReport } from './diagnosticTypes.js';
+import { Diagnostic, DiagnosticSeverity, DocumentDiagnosticReportKind, FullDocumentDiagnosticReport } from './diagnosticTypes.js';
 import { sysparser, syxparser } from './ast.js';
 import { tokenizeSys, tokenizeSyx } from './lexer.js';
-import { CompilerError } from './types.js';
+import { isCompilerError } from './types.js';
 import { readFileSync } from 'fs';
 
 
 /**
  * Creates a diagnostic report from the file path given.
  * @param {string} filePath Path of the file to create a report. 
+ * @param {string} fileContent Content of the file if it is already fetched. 
  * @returns A diagnostic report language servers can use.
  */
-export function createSyntaxScriptDiagnosticReport(filePath: string): FullDocumentDiagnosticReport {
+export function createSyntaxScriptDiagnosticReport(filePath: string,fileContent?:string): FullDocumentDiagnosticReport {
     const isSyx: boolean = filePath.endsWith('.syx');
 
+    const items:Diagnostic[] = [{message:'Base',range:{end:{character:0,line:1},start:{character:0,line:0}},severity:DiagnosticSeverity.Warning,source:'syntax-script'}];
+
     try {
 
-        const content = readFileSync(filePath).toString();
+        const content = fileContent??readFileSync(filePath).toString();
         const tokens = (isSyx ? tokenizeSyx : tokenizeSys)(content);
         (isSyx ? syxparser : sysparser).parseTokens(tokens);
 
-        return { kind: DocumentDiagnosticReportKind.Full, items: [] };
     } catch (error) {
-        if (error instanceof CompilerError) {
-            const compilerError = error as CompilerError;
-            return {
-                kind: DocumentDiagnosticReportKind.Full, items: [
-                    { message: compilerError.message, range: compilerError.range, severity: DiagnosticSeverity.Error, source: 'syntax-script' }
-                ]
-            };
+        if (isCompilerError(error)) {
+            items.push({ message: error.message, range: error.range, severity: DiagnosticSeverity.Error, source: 'syntax-script' });
         }
+    } finally {
+        return {items,kind:DocumentDiagnosticReportKind.Full};
     }
 
 }

src/types.ts

@@ -520,7 +520,7 @@ export interface SyxConfigCompile {
 /**
  * An error that occured while tokenizing, parsing or compiling a file.
  * @author efekos
- * @version 1.0.1
+ * @version 1.0.2
  * @since 0.0.1-alpha
  */
 export class CompilerError extends Error {
@@ -537,5 +537,18 @@ export class CompilerError extends Error {
         this.range = range;
         this.message = message;
         this.file = file;
+        this.name = 'CompilerError';
     }
+}
+
+/**
+ * Checks whether an error is a {@link CompilerError}.
+ * @param {Error} error Any error. 
+ * @author efekos
+ * @version 1.0.0
+ * @since 0.0.1-alpha
+ * @returns Whether it is a {@link CompilerError} or not.
+ */
+export function isCompilerError(error:Error):error is CompilerError{
+    return error.name === 'CompilerError';
 }