[vscode] Report syntax errors.

#64

editors/vscode/.gitignore

@@ -2,3 +2,4 @@
 /node_modules
 /out
 /package-lock.json
+/src/parser.js

editors/vscode/Makefile

@@ -3,8 +3,8 @@ VERSION = 2.1.0
 run: ci-$(VERSION).vsix
 	'$(LOCALAPPDATA)\Programs\Microsoft VS Code\bin\code' --extensionDevelopmentPath=$(abspath .)
 
-ci-$(VERSION).vsix: package.json ci-logo.png ci-file.svg language-configuration.json tsconfig.json syntaxes/ci.tmLanguage.json out/parser.js src/extension.ts
+ci-$(VERSION).vsix: package.json ci-logo.png ci-file.svg language-configuration.json tsconfig.json syntaxes/ci.tmLanguage.json src/extension.ts src/parser.js
 	$(APPDATA)/npm/vsce package
 
-out/parser.js: ../../Lexer.ci ../../AST.ci ../../Parser.ci
+src/parser.js: ../../Lexer.ci ../../AST.ci ../../Parser.ci
 	cito -o $@ $^

editors/vscode/src/extension.ts

@@ -1,22 +1,38 @@
 import * as vscode from "vscode";
+import { CiParser, CiProgram, CiSystem } from "./parser.js";
 
-export function activate(context: vscode.ExtensionContext) {
-//	vscode.window.showInformationMessage("Hello, world!");
-	const diagnosticCollection = vscode.languages.createDiagnosticCollection("ci");
-	if (vscode.window.activeTextEditor) {
-		updateDiagnostics(vscode.window.activeTextEditor.document, diagnosticCollection);
+class VsCodeParser extends CiParser
+{
+	private system = CiSystem.new();
+	diagnostics: vscode.Diagnostic[] = [];
+
+	protected reportError(message: string) : void
+	{
+		this.diagnostics.push(new vscode.Diagnostic(new vscode.Range(this.line - 1, 0, this.line, 0), message));
+	}
+
+	updateDiagnostics(document: vscode.TextDocument, diagnosticCollection: vscode.DiagnosticCollection): void
+	{
+		if (document.languageId != "ci")
+			return;
+		this.diagnostics.length = 0;
+		this.program = new CiProgram();
+		this.program.parent = this.system;
+		this.program.system = this.system;
+		const input = new TextEncoder().encode(document.getText());
+		this.parse(document.fileName, input, input.length);
+		diagnosticCollection.set(document.uri, this.diagnostics);
 	}
-	context.subscriptions.push(vscode.window.onDidChangeActiveTextEditor(editor => {
-		if (editor) {
-			updateDiagnostics(editor.document, diagnosticCollection);
-		}
-	}));
 }
 
-function updateDiagnostics(document: vscode.TextDocument, diagnosticCollection: vscode.DiagnosticCollection): void {
-	if (document.languageId != "ci")
-		return;
-	const diagnostics = [];
-	diagnostics.push(new vscode.Diagnostic(new vscode.Range(0, 0, 1, 0), "hello"));
-	diagnosticCollection.set(document.uri, diagnostics);
+export function activate(context: vscode.ExtensionContext): void {
+	const parser = new VsCodeParser();
+	const diagnosticCollection = vscode.languages.createDiagnosticCollection("ci");
+	if (vscode.window.activeTextEditor)
+		parser.updateDiagnostics(vscode.window.activeTextEditor.document, diagnosticCollection);
+	context.subscriptions.push(vscode.window.onDidChangeActiveTextEditor(editor => {
+			if (editor)
+				parser.updateDiagnostics(editor.document, diagnosticCollection);
+		}));
+	context.subscriptions.push(vscode.workspace.onDidChangeTextDocument(e => parser.updateDiagnostics(e.document, diagnosticCollection)));
 }

editors/vscode/tsconfig.json

@@ -1,12 +1,13 @@
 {
+  "files": [
+    "src/extension.ts",
+    "src/parser.js"
+  ],
   "compilerOptions": {
     "target": "es2021",
     "module": "commonjs",
-    "rootDir" : "src",
-    "outDir": "out",
-    "strict": true
-  },
-  "exclude": [
-    "node_modules"
-  ]
+    "allowJs": true,
+    "strict": true,
+    "outDir": "out"
+  }
 }