//: For convenience, some instructions will take literal arrays of characters (strings). //: //: Instead of quotes, we'll use [] to delimit strings. That'll reduce the //: need for escaping since we can support nested brackets. And we can also //: imagine that 'recipe' might one day itself be defined in mu, doing its own //: parsing. :(scenarios load) :(scenario string_literal) recipe main [ 1:address:array:character <- copy [abc def] # copy can't really take a string ] +parse: ingredient: {name: "abc def", value: 0, type: 0, properties: ["abc def": "literal-string"]} :(scenario string_literal_with_colons) recipe main [ 1:address:array:character <- copy [abc:def/ghi] ] +parse: ingredient: {name: "abc:def/ghi", value: 0, type: 0, properties: ["abc:def/ghi": "literal-string"]} :(before "End Mu Types Initialization") Type_number["literal-string"] = 0; :(after "string next_word(istream& in)") if (in.peek() == '[') { string result = slurp_quoted(in); skip_whitespace(in); skip_comment(in); return result; } :(code) string slurp_quoted(istream& in) { assert(!in.eof()); assert(in.peek() == '['); ostringstream out; int size = 0; while (!in.eof()) { char c = in.get(); //? cout << c << '\n'; //? 1 out << c; //? cout << out.str() << "$\n"; //? 1 if (c == '[') ++size; if (c == ']') --size; if (size == 0) break; } return out.str(); } :(after "reagent::reagent(string s)") //? cout << s[0] << '\n'; //? 1 if (s[0] == '[') { assert(s[s.size()-1] == ']'); // delete [] delimiters s.erase(0, 1); s.erase(s.size()-1, s.size()); name = s; types.push_back(0); properties.push_back(pair >(name, vector())); properties.back().second.push_back("literal-string"); return; } :(scenario string_literal_nested) recipe main [ 1:address:array:character <- copy [abc [def]] ] +parse: ingredient: {name: "abc [def]", value: 0, type: 0, properties: ["abc [def]": "literal-string"]} :(scenario string_literal_and_comment) recipe main [ 1:address:array:character <- copy [abc] # comment ] +parse: instruction: 1 +parse: ingredient: {name: "abc", value: 0, type: 0, properties: ["abc": "literal-string"]} +parse: product: {name: "1", value: 0, type: 2-5-4, properties: ["1": "address":"array":"character"]} # no other ingredients $parse: 3