void Indenter::parsePreviousLine(
const TextEditor::TabSettings &settings,
const QString &previousLine,
const QTextBlock &previousBlock,
int &indentation) const
{
// TODO: replace this dirty code with true AST-based indentation
Internal::Scanner sc(previousLine.constData(), previousLine.length());
for (;;)
{
Internal::FormatToken tk = sc.read();
if (tk.format() == Internal::Format_KEYWORD) {
QString value = sc.value(tk);
if (JUMP_STATEMENTS_SET.contains(value)) {
indentation = qMax<int>(0, indentation - TAB_SIZE);
} else if (BACKSTEP_KEYWORDS_SET.contains(value)) {
indentation = qMax<int>(0, indentation - TAB_SIZE);
settings.reindentLine(previousBlock, -TAB_SIZE);
}
}
if (tk.format() != Internal::Format_WHITESPACE) {
break;
}
}
}
/// @return negative indent diff if previous line breaks control flow branch
int PythonIndenter::getIndentDiff(const QString &previousLine) const
{
Internal::Scanner sc(previousLine.constData(), previousLine.length());
forever {
Internal::FormatToken tk = sc.read();
if ((tk.format() == Internal::Format_Keyword) && m_jumpKeywords.contains(sc.value(tk)))
return -TAB_SIZE;
if (tk.format() != Internal::Format_Whitespace)
break;
}
return 0;
}