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Avoid one heap allocation when instantiating a TSTreeCursor

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This commit is contained in:
Max Brunsfeld 2018-05-16 16:05:08 -07:00
parent 6fc8d9871c
commit e3670be42f
8 changed files with 96 additions and 86 deletions
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10
include/tree_sitter/runtime.h
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@ -16,7 +16,6 @@ typedef unsigned short TSSymbol;
typedef struct TSLanguage TSLanguage;
typedef struct TSParser TSParser;
typedef struct TSTree TSTree;
typedef struct TSTreeCursor TSTreeCursor;
typedef enum {
TSInputEncodingUTF8,
@ -66,10 +65,15 @@ typedef struct {
} TSInputEdit;
typedef struct {
const void *ref[2];
uint32_t context[4];
const void *ref[2];
} TSNode;
typedef struct {
uint32_t context[2];
void *ref[2];
} TSTreeCursor;
TSParser *ts_parser_new();
void ts_parser_delete(TSParser *);
const TSLanguage *ts_parser_language(const TSParser *);
@ -117,7 +121,7 @@ TSNode ts_node_named_descendant_for_byte_range(TSNode, uint32_t, uint32_t);
TSNode ts_node_descendant_for_point_range(TSNode, TSPoint, TSPoint);
TSNode ts_node_named_descendant_for_point_range(TSNode, TSPoint, TSPoint);
TSTreeCursor *ts_tree_cursor_new(const TSTree *);
TSTreeCursor ts_tree_cursor_new(const TSTree *);
void ts_tree_cursor_delete(TSTreeCursor *);
bool ts_tree_cursor_goto_first_child(TSTreeCursor *);
int64_t ts_tree_cursor_goto_first_child_for_byte(TSTreeCursor *, uint32_t);