Files
WACC_37/wacc-syntax/extension.js
2025-03-14 17:36:51 +00:00

72 lines
2.4 KiB
JavaScript

// Developed using the VSC language extension tutorial
// https://code.visualstudio.com/api/language-extensions/overview
const vscode = require('vscode');
const { execSync } = require('child_process');
const { parse } = require('path');
function activate(context) {
console.log('IntelliWACC is now active!');
let diagnosticCollection = vscode.languages.createDiagnosticCollection('wacc');
context.subscriptions.push(diagnosticCollection);
vscode.workspace.onDidSaveTextDocument((document) => {
if (document.languageId !== 'wacc') return;
let diagnostics = [];
let errors = generateErrors(document.getText(), document.fileName);
errors.forEach(error => {
console.log(error);
let range = new vscode.Range(error.line - 1 , error.column - 1, error.line - 1, error.column + error.size);
let diagnostic = new vscode.Diagnostic(range, error.errorMessage, vscode.DiagnosticSeverity.Error);
diagnostics.push(diagnostic);
});
diagnosticCollection.set(document.uri, diagnostics);
});
}
function deactivate() {
console.log('IntelliWACC is deactivating...');
}
function generateErrors(code, filePath) {
try {
console.log("generating errors")
const fs = require('fs');
const tmpFilePath = parse(filePath).dir + '/.temp_wacc_file.wacc';
fs.writeFileSync(tmpFilePath, code);
let output;
try {
const waccExePath = `${__dirname}/wacc-compiler`;
output = execSync(`${waccExePath} ${tmpFilePath}`, { encoding: 'utf8', shell: true, stdio: 'pipe'});
} catch (err) {
console.log("Error running compiler");
output = err.stdout;
console.log(output);
}
let errors = [];
errorRegex = /\(line ([\d]+), column ([\d]+)\):\n([^>]+)([^\^]+)([\^]+)\n([^\n]+)([^\(]*)/g
while((match = errorRegex.exec(output)) !== null) {
console.log(match[5]);
errors.push({
line: parseInt(match[1], 10),
column: parseInt(match[2], 10),
errorMessage: match[3].trim(),
size: match[5].length - 1
});
}
return errors;
} catch (err) {
console.error('Error running compiler:', err);
return [];
}
}
module.exports = {
activate,
deactivate
};