39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
#include "compiler/rules/seq.h"
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#include <string>
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#include "compiler/rules/visitor.h"
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#include "compiler/rules/blank.h"
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namespace tree_sitter {
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namespace rules {
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using std::make_shared;
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using std::string;
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using std::vector;
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Seq::Seq(rule_ptr left, rule_ptr right) : left(left), right(right) {}
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rule_ptr Seq::build(const std::vector<rule_ptr> &rules) {
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rule_ptr result = make_shared<Blank>();
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for (auto &rule : rules)
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result = (typeid(*result) != typeid(Blank)) ? make_shared<Seq>(result, rule)
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: rule;
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return result;
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}
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bool Seq::operator==(const Rule &rule) const {
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const Seq *other = dynamic_cast<const Seq *>(&rule);
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return other && (*other->left == *left) && (*other->right == *right);
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}
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size_t Seq::hash_code() const { return left->hash_code() ^ right->hash_code(); }
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rule_ptr Seq::copy() const { return std::make_shared<Seq>(*this); }
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string Seq::to_string() const {
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return string("(seq ") + left->to_string() + " " + right->to_string() + ")";
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}
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void Seq::accept(Visitor *visitor) const { visitor->visit(this); }
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} // namespace rules
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} // namespace tree_sitter
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