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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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13
src/compiler/rules/choice.cpp
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@ -1,24 +1,19 @@
#include "rules.h"
#include "transition_map.h"
using std::string;
namespace tree_sitter {
namespace rules {
Choice::Choice(rule_ptr left, rule_ptr right) : left(left), right(right) {};
rule_ptr choice(const std::initializer_list<rule_ptr> &rules) {
rule_ptr result;
for (auto rule : rules)
result = result.get() ? std::make_shared<Choice>(result, rule) : rule;
return result;
}
bool Choice::operator==(const Rule &rule) const {
const Choice *other = dynamic_cast<const Choice *>(&rule);
return other && (*other->left == *left) && (*other->right == *right);
}
std::string Choice::to_string() const {
return std::string("(choice ") + left->to_string() + " " + right->to_string() + ")";
string Choice::to_string() const {
return string("(choice ") + left->to_string() + " " + right->to_string() + ")";
}
void Choice::accept(RuleVisitor &visitor) const {