traxys/tree-sitter
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Cleanup

Browse source
This commit is contained in:
Max Brunsfeld 2014-01-04 15:30:05 -08:00
parent 29c81167c0
commit 04d18b56ed
10 changed files with 39 additions and 42 deletions
Download patch file Download diff file Expand all files Collapse all files

18
src/compiler/lr/item.cpp
View file

@ -2,29 +2,31 @@
#include "grammar.h"
#include "transitions.h"
#include <iostream>
using namespace std;
using std::string;
using std::vector;
using std::dynamic_pointer_cast;
using std::make_shared;
using std::ostream;
namespace tree_sitter {
namespace lr {
Item::Item(const std::string &rule_name, const rules::rule_ptr rule, int consumed_sym_count) :
Item::Item(const string &rule_name, const rules::rule_ptr rule, int consumed_sym_count) :
rule_name(rule_name),
rule(rule),
consumed_sym_count(consumed_sym_count) {};
Item Item::at_beginning_of_rule(const std::string &rule_name, const Grammar &grammar) {
Item Item::at_beginning_of_rule(const string &rule_name, const Grammar &grammar) {
return Item(rule_name, grammar.rule(rule_name), 0);
}
Item Item::at_beginning_of_token(const std::string &rule_name, const Grammar &grammar) {
Item Item::at_beginning_of_token(const string &rule_name, const Grammar &grammar) {
return Item(rule_name, grammar.rule(rule_name), -1);
}
transition_map<rules::Rule, Item> Item::transitions() const {
return lr::transitions(rule).map<Item>([&](rules::rule_ptr to_rule) -> item_ptr {
int next_sym_count = (consumed_sym_count == -1) ? -1 : (consumed_sym_count + 1);
return std::make_shared<Item>(rule_name, to_rule, next_sym_count);
return make_shared<Item>(rule_name, to_rule, next_sym_count);
});
};
@ -51,7 +53,7 @@ namespace tree_sitter {
return false;
}
std::ostream& operator<<(ostream &stream, const Item &item) {
ostream& operator<<(ostream &stream, const Item &item) {
return stream <<
string("#<item '") <<
item.rule_name <<