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Consolidate logic for making shared pointers to rules

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This commit is contained in:
Max Brunsfeld 2013-12-19 23:05:54 -08:00
parent 9f78d72a7c
commit 6f444fcc79
22 changed files with 113 additions and 94 deletions
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15
src/compiler/rules/seq.cpp
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@ -1,26 +1,19 @@
#include "rules.h"
#include "transition_map.h"
using std::string;
namespace tree_sitter {
namespace rules {
Seq::Seq(rule_ptr left, rule_ptr right) : left(left), right(right) {};
rule_ptr seq(const std::initializer_list<rule_ptr> &rules) {
rule_ptr result;
for (auto rule : rules)
result = (result.get() && typeid(*result) != typeid(Blank)) ?
std::make_shared<Seq>(result, rule) :
rule;
return result;
}
bool Seq::operator==(const Rule &rule) const {
const Seq *other = dynamic_cast<const Seq *>(&rule);
return other && (*other->left == *left) && (*other->right == *right);
}
std::string Seq::to_string() const {
return std::string("(seq ") + left->to_string() + " " + right->to_string() + ")";
string Seq::to_string() const {
return string("(seq ") + left->to_string() + " " + right->to_string() + ")";
}
void Seq::accept(RuleVisitor &visitor) const {