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Handle backslashes in token names when printing DOT debug graphs

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This commit is contained in:
Max Brunsfeld 2022-06-25 17:13:11 -07:00
parent 04381dcea3
commit 3ac36b0cbe
4 changed files with 28 additions and 19 deletions
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14
lib/src/subtree.c
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@ -834,18 +834,6 @@ static size_t ts_subtree__write_char_to_string(char *s, size_t n, int32_t c) {
return snprintf(s, n, "%d", c);
}
static void ts_subtree__write_dot_string(FILE *f, const char *string) {
for (const char *c = string; *c; c++) {
if (*c == '"') {
fputs("\\\"", f);
} else if (*c == '\n') {
fputs("\\n", f);
} else {
fputc(*c, f);
}
}
}
static const char *ROOT_FIELD = "__ROOT__";
static size_t ts_subtree__write_to_string(
@ -975,7 +963,7 @@ void ts_subtree__print_dot_graph(const Subtree *self, uint32_t start_offset,
TSSymbol symbol = alias_symbol ? alias_symbol : subtree_symbol;
uint32_t end_offset = start_offset + ts_subtree_total_bytes(*self);
fprintf(f, "tree_%p [label=\"", (void *)self);
ts_subtree__write_dot_string(f, ts_language_symbol_name(language, symbol));
ts_language_write_symbol_as_dot_string(language, f, symbol);
fprintf(f, "\"");
if (ts_subtree_child_count(*self) == 0) fprintf(f, ", shape=plaintext");