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Select ambiguous alternatives by minimizing error size

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This commit is contained in:
Max Brunsfeld 2016-04-24 00:54:20 -07:00
parent 1fb6065f02
commit fd4c33209e
10 changed files with 329 additions and 174 deletions
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53
spec/helpers/reference_stack.h Normal file
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#ifndef HELPERS_REFERENCE_STACK_H_
#define HELPERS_REFERENCE_STACK_H_
#include "runtime/stack.h"
#include <vector>
#include <stack>
struct PotentialSlice;
class ReferenceStack {
public:
ReferenceStack();
~ReferenceStack();
int head_count() const;
TSStateId top_state(int head_index) const;
TSLength top_position(int head_index) const;
StackVersion push(int head_index, TSTree *tree, bool is_verifying, TSStateId state);
StackPopResult pop_count(int head_index, int count);
StackPopResult pop_until(int head_index, StackIterateCallback, void *);
void remove_head(int head_index);
void clear();
private:
struct NodeId {
TSStateId state;
TSLength position;
bool operator==(const NodeId &other) const {
return state == other.state && ts_length_eq(position, other.position);
}
};
struct Node {
NodeId id;
TSTree *tree;
bool is_verifying;
};
typedef std::stack<Node> Version;
int find_or_add_node_id(NodeId id);
std::vector<TSTree *> merge_trees(std::vector<TSTree *>, std::vector<TSTree *>) const;
StackSliceArray finalize_slices(const std::vector<PotentialSlice> &) const;
std::vector<Version> versions;
std::vector<NodeId> version_ids;
void *tree_selection_payload;
};
#endif // HELPERS_REFERENCE_STACK_H_