67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
#include <tree_sitter/parser.h>
|
|
#include <wctype.h>
|
|
|
|
enum TokenType {
|
|
RAW_TEXT
|
|
};
|
|
|
|
void *tree_sitter_d2_external_scanner_create() { return NULL; }
|
|
void tree_sitter_d2_external_scanner_destroy(void *payload) { }
|
|
unsigned tree_sitter_d2_external_scanner_serialize(void *p, char *buffer) { return 0; }
|
|
void tree_sitter_d2_external_scanner_deserialize(void *p, const char *b, unsigned n) {}
|
|
|
|
static void advance(TSLexer *lexer) { lexer->advance(lexer, false); }
|
|
static void skip(TSLexer *lexer) { lexer->advance(lexer, true); }
|
|
|
|
static bool scan_raw_text(TSLexer *lexer) {
|
|
lexer->result_symbol = RAW_TEXT;
|
|
|
|
if (lexer->lookahead == '`') {
|
|
advance(lexer);
|
|
}
|
|
|
|
if (lexer->lookahead == '|') {
|
|
return false;
|
|
}
|
|
|
|
for (bool has_content = false;; has_content = true) {
|
|
lexer->mark_end(lexer);
|
|
|
|
if (lexer->lookahead == '\0') {
|
|
return has_content;
|
|
}
|
|
|
|
while (iswspace(lexer->lookahead)) {
|
|
advance(lexer);
|
|
lexer->mark_end(lexer);
|
|
}
|
|
|
|
if (lexer->lookahead == '`') {
|
|
advance(lexer);
|
|
}
|
|
|
|
if (lexer->lookahead == '|') {
|
|
advance(lexer);
|
|
if (lexer->lookahead == '\n') {
|
|
return has_content;
|
|
}
|
|
}
|
|
|
|
advance(lexer);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool tree_sitter_d2_external_scanner_scan(
|
|
void *payload,
|
|
TSLexer *lexer,
|
|
const bool *valid_symbols
|
|
) {
|
|
if (valid_symbols[RAW_TEXT]) {
|
|
return scan_raw_text(lexer);
|
|
}
|
|
|
|
return false;
|
|
}
|