traxys/tree-sitter
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Remove auxiliary rules from syntax tree

Browse source
This commit is contained in:
Max Brunsfeld 2014-01-28 22:09:37 -08:00
parent c3b65d22bf
commit 7d297f2f9e
15 changed files with 1107 additions and 724 deletions
Download patch file Download diff file Expand all files Collapse all files

13
src/compiler/generate_code/c_code.cpp
View file

@ -118,6 +118,17 @@ namespace tree_sitter {
}
}
string collapse_flags(vector<bool> flags) {
string result;
bool started = false;
for (auto flag : flags) {
if (started) result += ", ";
result += (flag ? "1" : "0");
started = true;
}
return result;
}
string code_for_parse_actions(const unordered_set<ParseAction> &actions, const unordered_set<rules::Symbol> &expected_inputs) {
auto action = actions.begin();
if (action == actions.end()) {
@ -129,7 +140,7 @@ namespace tree_sitter {
case ParseActionTypeShift:
return "SHIFT(" + to_string(action->state_index) + ");";
case ParseActionTypeReduce:
return "REDUCE(" + symbol_id(action->symbol) + ", " + std::to_string(action->child_symbol_count) + ");";
return "REDUCE(" + symbol_id(action->symbol) + ", " + to_string(action->child_flags.size()) + ", COLLAPSE({" + collapse_flags(action->child_flags) + "}));";
default:
return "";
}