Fix some comments

This commit is contained in:
Max Brunsfeld 2019-09-17 15:05:12 -07:00
parent 2d1ca8bc9f
commit fdd3a34e70

View file

@ -62,7 +62,7 @@ typedef struct {
* PatternEntry - The set of steps needed to match a particular pattern,
* represented as a slice of a shared array. These entries are stored in a
* 'pattern map' - a sorted array that makes it possible to efficiently lookup
* patterns based on the symbol for their first first step.
* patterns based on the symbol for their first step.
*/
typedef struct {
uint16_t step_index;
@ -334,9 +334,13 @@ static TSSymbol ts_query_intern_node_name(
// The `pattern_map` contains a mapping from TSSymbol values to indices in the
// `steps` array. For a given syntax node, the `pattern_map` makes it possible
// to quickly find the starting steps of all of the patterns whose root matches
// that node. It is represented as an array of `(symbol, step index)` pairs,
// sorted by symbol. Lookups use a binary search so that their cost scales
// logarithmically with the number of patterns in the query.
// that node. Each entry has two fields: a `pattern_index`, which identifies one
// of the patterns in the query, and a `step_index`, which indicates the start
// offset of that pattern's steps pattern within the `steps` array.
//
// The entries are sorted by the patterns' root symbols, and lookups use a
// binary search. This ensures that the cost of this initial lookup step
// scales logarithmically with the number of patterns in the query.
//
// This returns `true` if the symbol is present and `false` otherwise.
// If the symbol is not present `*result` is set to the index where the