added 'string mode' to script parser; added Keyword and related classes

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@85 0fc631ac-6414-0410-93d0-97cfa31319b6

src/script/scriptable.cpp

@@ -38,9 +38,9 @@ ScriptValueP OptionalScript::invoke(Context& ctx, bool open_scope) const {
 	}
 }
 
-void OptionalScript::parse(Reader& reader) {
+void OptionalScript::parse(Reader& reader, bool string_mode) {
 	try {
-		script = ::parse(unparsed);
+		script = ::parse(unparsed, string_mode);
 	} catch (const ParseError& e) {
 		reader.warning(e.what());
 	}