void Preprocessor::handleSpecialMacro(const LineIterator& line)
{
trim(*line);
if(*line == "skip whitespace")
rm_ws = !rm_ws;
else if(*line == "reduce whitespace")
rd_ws = !rd_ws;
else if(line->substr(0, 7) == "include")
handleIncludeMacro(line->substr(line->find(' ') + 1), line);
}
void Preprocessor::addMacro(const LineIterator& line)
{
*line = line->substr(1);
size_t pos = line->find(":=");
if(pos == std::string::npos)
return handleSpecialMacro(line);
std::string name = line->substr(0, pos);
trim(name);
std::string replacement = line->substr(pos + 2);
trim(replacement);
parseEscapes(replacement);
aliases.push_back(Alias(name, replacement));
}