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parser.c - added LOG_LOOKAHEAD macro to escape \n in logging

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This commit is contained in:
Andrew Hlynskyi 2021-02-07 02:59:59 +02:00
parent 23b41862ab
commit f92ad04824
1 changed files with 38 additions and 4 deletions
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42
lib/src/parser.c
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@ -25,6 +25,41 @@
ts_parser__log(self); \
}
#define LOG_LOOKAHEAD(symbol_name, size, ...) \
if (self->lexer.logger.log || self->dot_graph_file) { \
char *buf = self->lexer.debug_buffer; \
const char *symbol = symbol_name; \
int off = sprintf(buf, "lexed_lookahead sym:"); \
for ( \
int i = 0; \
symbol[i] != '\0' \
&& off < TREE_SITTER_SERIALIZATION_BUFFER_SIZE; \
i++ \
) { \
switch (symbol[i]) { \
case '\t': buf[off++] = '\\'; buf[off++] = 't'; break; \
case '\n': buf[off++] = '\\'; buf[off++] = 'n'; break; \
case '\v': buf[off++] = '\\'; buf[off++] = 'v'; break; \
case '\f': buf[off++] = '\\'; buf[off++] = 'f'; break; \
case '\r': buf[off++] = '\\'; buf[off++] = 'r'; break; \
default: buf[off++] = symbol[i]; break; \
} \
} \
off += snprintf( \
buf + off, \
TREE_SITTER_SERIALIZATION_BUFFER_SIZE - off, \
", size:%u", \
size \
); \
if (sizeof( (char[]){#__VA_ARGS__} ) == 1) \
snprintf( \
buf + off, \
TREE_SITTER_SERIALIZATION_BUFFER_SIZE - off, \
", " __VA_ARGS__ \
); \
ts_parser__log(self); \
}
#define LOG_STACK() \
if (self->dot_graph_file) { \
ts_stack_print_dot_graph(self->stack, self->language, self->dot_graph_file); \
@ -477,10 +512,10 @@ static Subtree ts_parser__lex(
self->language
);
LOG(
"lexed_lookahead sym:%s, size:%u, character:'%c'",
LOG_LOOKAHEAD(
SYM_NAME(ts_subtree_symbol(result)),
ts_subtree_total_size(result).bytes,
"character:'%c'",
first_error_character
);
} else {
@ -534,8 +569,7 @@ static Subtree ts_parser__lex(
);
}
LOG(
"lexed_lookahead sym:%s, size:%u",
LOG_LOOKAHEAD(
SYM_NAME(ts_subtree_symbol(result)),
ts_subtree_total_size(result).bytes
);