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extension.js
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extension.js
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'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
const vscode = require("vscode");
const cp = require("child_process");
const stream = require('stream');
const os = require("os");
var channel = null;
const fullRange = doc => doc.validateRange(new vscode.Range(0, 0, Number.MAX_VALUE, Number.MAX_VALUE));
const MODE = { language: 'melfa-basic' };
class MelfaFormatter {
constructor() {
this.machine_os = os.platform();
console.log(this.machine_os);
this.py = '';
if (this.machine_os == 'win32') {
this.py = 'python ';
}
this.formatter = '"'+ __dirname + '/formatter/formatter.py"';
}
formatDocument(document, range) {
return new Promise((resolve, reject) => {
this.format(document, range).then((res) => {
return resolve(res);
});
});
}
format(document, range) {
return new Promise((resolve, reject) => {
let indentwidth = " --indentWidth=" + vscode.workspace.getConfiguration('formatter')['indentwidth'];
let filename = ' -';
var p = cp.exec(this.py + " " + this.formatter + " " + filename + indentwidth, (err, stdout, stderr) => {
if (stdout != '') {
let toreplace = document.validateRange(new vscode.Range(range.start.line, 0, range.end.line + 1, 0));
var edit = [vscode.TextEdit.replace(toreplace, stdout)];
if (stderr != '') {
vscode.window.showWarningMessage('formatting warning:\n'+stderr);
}
return resolve(edit);
}
vscode.window.showErrorMessage('formatting failed:\n'+stderr);
return resolve(null);
});
var stdinStream = new stream.Readable();
stdinStream.push(document.getText());
stdinStream.push(null);
stdinStream.pipe(p.stdin);
});
}
}
exports.MelfaFormatter = MelfaFormatter;
class MelfaDocumentRangeFormatter {
constructor() {
this.formatter = new MelfaFormatter();
}
provideDocumentFormattingEdits(document, options, token) {
return this.formatter.formatDocument(document, fullRange(document));
}
provideDocumentRangeFormattingEdits(document, range, options, token) {
return this.formatter.formatDocument(document, range);
}
}
function activate(context) {
channel = vscode.window.createOutputChannel('formatter');
const formatter = new MelfaDocumentRangeFormatter();
context.subscriptions.push(vscode.languages.registerDocumentFormattingEditProvider(MODE, formatter));
context.subscriptions.push(vscode.languages.registerDocumentRangeFormattingEditProvider(MODE, formatter));
}
exports.activate = activate;
// this method is called when your extension is deactivated
function deactivate() {
}
exports.deactivate = deactivate;