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author | Kartik K. Agaram <vc@akkartik.com> | 2015-05-05 21:17:24 -0700 |
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committer | Kartik K. Agaram <vc@akkartik.com> | 2015-05-05 21:17:24 -0700 |
commit | b96af395b9af2ff9df94b3e82213171f30827c8d (patch) | |
tree | 17c8c12648ccc25625e2534ec8d74fbe8f1542cc /014types.cc | |
parent | 2e3b597fe85b654e82b891c22d50754fa5a26156 (diff) | |
download | mu-b96af395b9af2ff9df94b3e82213171f30827c8d.tar.gz |
1276 - make C++ version the default
I've tried to update the Readme, but there are at least a couple of issues.
Diffstat (limited to '014types.cc')
-rw-r--r-- | 014types.cc | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/014types.cc b/014types.cc new file mode 100644 index 00000000..4ff0f545 --- /dev/null +++ b/014types.cc @@ -0,0 +1,96 @@ +//: Textual form for types. + +:(scenarios load) +:(scenario container) +container foo [ + x:integer + y:integer +] ++parse: reading container foo ++parse: element name: x ++parse: type: 1 ++parse: element name: y ++parse: type: 1 + +:(before "End Command Handlers") +else if (command == "container") { + insert_container(command, container, in); +} + +:(code) +void insert_container(const string& command, kind_of_type kind, istream& in) { + skip_whitespace(in); + string name = next_word(in); + trace("parse") << "reading " << command << ' ' << name; +//? cout << name << '\n'; //? 1 + assert(Type_number.find(name) == Type_number.end()); + Type_number[name] = Next_type_number++; + skip_bracket(in, "'container' must begin with '['"); + assert(Type.find(Type_number[name]) == Type.end()); + type_info& t = Type[Type_number[name]]; + recently_added_types.push_back(Type_number[name]); + t.name = name; + t.kind = kind; + while (!in.eof()) { + skip_whitespace_and_comments(in); + string element = next_word(in); + if (element == "]") break; + istringstream inner(element); + t.element_names.push_back(slurp_until(inner, ':')); + trace("parse") << " element name: " << t.element_names.back(); + vector<type_number> types; + while (!inner.eof()) { + string type_name = slurp_until(inner, ':'); + if (Type_number.find(type_name) == Type_number.end()) + raise << "unknown type " << type_name << '\n'; + types.push_back(Type_number[type_name]); + trace("parse") << " type: " << types.back(); + } + t.elements.push_back(types); + } + assert(t.elements.size() == t.element_names.size()); + t.size = t.elements.size(); +} + +//:: Similarly for exclusive_container. + +:(scenario exclusive_container) +exclusive-container foo [ + x:integer + y:integer +] ++parse: reading exclusive-container foo ++parse: element name: x ++parse: type: 1 ++parse: element name: y ++parse: type: 1 + +:(before "End Command Handlers") +else if (command == "exclusive-container") { + insert_container(command, exclusive_container, in); +} + +//:: ensure types created in one scenario don't leak outside it. +:(before "End Globals") +vector<type_number> recently_added_types; +:(before "End Setup") +for (index_t i = 0; i < recently_added_types.size(); ++i) { +//? cout << "erasing " << Type[recently_added_types[i]].name << '\n'; //? 1 + Type_number.erase(Type[recently_added_types[i]].name); + Type.erase(recently_added_types[i]); +} +recently_added_types.clear(); +//: lastly, ensure scenarios are consistent by always starting them at the +//: same type number. +Next_type_number = 1000; +:(before "End Test Run Initialization") +assert(Next_type_number < 1000); +:(before "End Setup") +Next_type_number = 1000; + +:(code) +void skip_bracket(istream& in, string message) { + skip_whitespace_and_comments(in); + if (in.get() != '[') + raise << message << '\n'; +} |