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//: 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.at(0) << '\n'; //? 1
if (s.at(0) == '[') {
assert(*s.rbegin() == ']');
// delete [] delimiters
s.erase(0, 1);
s.erase(s.size()-1, s.size());
name = s;
types.push_back(0);
properties.push_back(pair<string, vector<string> >(name, vector<string>()));
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: copy
+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
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