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

Revert "Remove the separator characters construct"

Browse source 
This reverts commit 5cd07648fd.

The separators construct is useful as an optimization. It turns out that
constructing a node for every chunk of whitespace in a document causes a
significant performance regression.

Conflicts:
	src/compiler/build_tables/build_lex_table.cc
	src/compiler/grammar.cc
	src/runtime/parser.c
This commit is contained in:
Max Brunsfeld 2014-09-02 07:41:29 -07:00
parent e941f8c175
commit 545e575508
43 changed files with 9065 additions and 11203 deletions
Download patch file Download diff file Expand all files Collapse all files

7
include/tree_sitter/parser.h
View file

@ -20,6 +20,7 @@ typedef struct TSLexer {
size_t chunk_size;
size_t position_in_chunk;
size_t token_end_position;
size_t token_start_position;
TSTree *(*accept_fn)(struct TSLexer *, TSSymbol, int);
int (*advance_fn)(struct TSLexer *);
@ -33,6 +34,10 @@ static inline char ts_lexer_lookahead_char(const TSLexer *lexer) {
return lexer->chunk[lexer->position_in_chunk];
}
static inline void ts_lexer_start_token(TSLexer *lexer) {
lexer->token_start_position = ts_lexer_position(lexer);
}
static inline int ts_lexer_advance(TSLexer *lexer) {
return lexer->advance_fn(lexer);
}
@ -101,6 +106,8 @@ struct TSLanguage {
lookahead = ts_lexer_lookahead_char(lexer); \
DEBUG_LEX("CHAR '%c'", lookahead);
#define START_TOKEN() ts_lexer_start_token(lexer);
#define ADVANCE(state_index) \
{ \
DEBUG_LEX("ADVANCE %d", state_index); \