Reveal the error location after on failed verify.

Closes #608
Closes #229

Signed-off-by: Akos Kitta <a.kitta@arduino.cc>

arduino-ide-extension/src/browser/utils/monaco.ts

@@ -0,0 +1,8 @@
+import * as monaco from '@theia/monaco-editor-core';
+
+export function fullRange(model: monaco.editor.ITextModel): monaco.Range {
+  const lastLine = model.getLineCount();
+  const lastLineMaxColumn = model.getLineMaxColumn(lastLine);
+  const end = new monaco.Position(lastLine, lastLineMaxColumn);
+  return monaco.Range.fromPositions(new monaco.Position(1, 1), end);
+}