Method processPreprocessor

astyle/src/ASFormatter.cpp:4569–4593

* process preprocessor statements. * charNum should be the index of the #. * * delete bracketTypeStack entries added by #if if a #else is found. * prevents double entries in the bracketTypeStack. */

 * prevents double entries in the bracketTypeStack.
 */
void ASFormatter::processPreprocessor()
{
	assert(currentChar == '#');

	const size_t preproc = currentLine.find_first_not_of(" \t", charNum + 1);

	if (preproc == string::npos)
		return;

	if (currentLine.compare(preproc, 2, "if") == 0)
	{
		preprocBracketTypeStackSize = bracketTypeStack->size();
	}
	else if (currentLine.compare(preproc, 4, "else") == 0)
	{
		// delete stack entries added in #if
		// should be replaced by #else
		if (preprocBracketTypeStackSize > 0)
		{
			int addedPreproc = bracketTypeStack->size() - preprocBracketTypeStackSize;
			for (int i = 0; i < addedPreproc; i++)
				bracketTypeStack->pop_back();
		}
	}
}

/**
 * determine if the next line starts a comment