ultimatepp/uppdev/cpp2/expand.cpp

#include "cpp.h"

#if 0
String MacroExpand(const char *s, ArrayMap<String, CppMacro>& macro, Index<String>& notmacro,
                   bool& incomment)
{
	StringBuffer r;
	while(*s) {
		if(incomment) {
			if(s[0] == '*' && s[1] == '/') {
				incomment = false;
				s += 2;
				r.Cat("*/");
			}
			else
				r.Cat(*s++);
		}
		else
		if(iscib2(*s)) {
			const char *b = s;
			s++;
			while(iscid2(*s))
				s++;
			String id(b, s);
			if(notmacro.Find(id) < 0) {
				const CppMacro *m = macro.FindPtr(id);
				if(m && !id.StartsWith("__$allowed_on_")) {
					Vector<String> param;
					const char *s0 = s;
					while(*s && (byte)*s <= ' ')
						s++;
					if(*s == '(') {
						s++;
						const char *b = s;
						int level = 0;
						for(;;)
							if(*s == ',' && level == 0) {
								ParamAdd(param, b, s);
								s++;
								b = s;
							}
							else
							if(*s == ')') {
								s++;
								if(level == 0) {
									ParamAdd(param, b, s - 1);
									break;
								}
								level--;
							}
							else
							if(*s == '(') {
								s++;
								level++;
							}
							else
							if(*s == '\0')
								break;
							else
							if(*s == '\"' || *s == '\'')
								s = SkipString(s);
							else
								s++;
					}
					else
						s = s0; // otherwise we eat spaces after parameterless macro
					usedmacro.FindAdd(id);
					int ti = notmacro.GetCount();
					notmacro.Add(id);
					id = '\x1a' + Expand(m->Expand(param));
					notmacro.Trim(ti);
				}
				else
					notmacro.Add(id);
			}
			r.Cat(id);
		}
		else
		if(s[0] == '/' && s[1] == '*') {
			incomment = true;
			s += 2;
			r.Cat("/*");
		}
		else
		if(s[0] == '/' && s[1] == '/') {
			r.Cat(s);
			break;
		}
		else
			r.Cat(*s++);
	}
	return r;
}
#endif