traxys/tree-sitter
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Move rule transitions to visitor class

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This commit is contained in:
Max Brunsfeld 2013-12-18 20:58:05 -08:00
parent 84a7afbca5
commit b1bbeae2a1
29 changed files with 205 additions and 125 deletions
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16
src/compiler/rules/seq.cpp
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@ -1,5 +1,4 @@
#include "seq.h"
#include "blank.h"
#include "rules.h"
#include "transition_map.h"
namespace tree_sitter {
@ -15,15 +14,6 @@ namespace tree_sitter {
return result;
}
TransitionMap<Rule> Seq::transitions() const {
return left->transitions().map<Rule>([&](rule_ptr left_rule) -> rule_ptr {
if (typeid(*left_rule) == typeid(Blank))
return right;
else
return seq({ left_rule, right });
});
}
bool Seq::operator==(const Rule &rule) const {
const Seq *other = dynamic_cast<const Seq *>(&rule);
return other && (*other->left == *left) && (*other->right == *right);
@ -32,5 +22,9 @@ namespace tree_sitter {
std::string Seq::to_string() const {
return std::string("(seq ") + left->to_string() + " " + right->to_string() + ")";
}
void Seq::accept(RuleVisitor &visitor) const {
visitor.visit(this);
}
}
}