traxys/tree-sitter
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Compute item set transitions

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This commit is contained in:
Max Brunsfeld 2013-11-20 19:00:20 -08:00
parent 100ab56779
commit 99c216f78a
23 changed files with 250 additions and 55 deletions
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5
src/rules/choice.cpp
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@ -6,7 +6,10 @@ namespace tree_sitter {
Choice::Choice(rule_ptr left, rule_ptr right) : left(left), right(right) {};
rule_ptr choice(const std::initializer_list<rule_ptr> &rules) {
return build_binary_rule_tree<Choice>(rules);
rule_ptr result;
for (auto rule : rules)
result = result.get() ? std::make_shared<Choice>(result, rule) : rule;
return result;
}
TransitionMap<Rule> Choice::transitions() const {