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Fix formatting of non-ascii unexpected characters

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Signed-off-by: Philip Turnbull <philipturnbull@github.com>
This commit is contained in:
Max Brunsfeld 2017-06-23 12:08:50 -07:00 • committed by Philip Turnbull
parent 8a15da90fb
commit 8ee3f96960
1 changed files with 4 additions and 1 deletions
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5
src/runtime/tree.c
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@ -1,4 +1,5 @@
#include <assert.h>
#include <ctype.h>
#include <limits.h>
#include <stdbool.h>
#include <string.h>
@ -468,13 +469,15 @@ const TSExternalTokenState *ts_tree_last_external_token_state(const Tree *tree)
static size_t ts_tree__write_char_to_string(char *s, size_t n, int32_t c) {
if (c == 0)
return snprintf(s, n, "EOF");
if (c == -1)
return snprintf(s, n, "INVALID");
else if (c == '\n')
return snprintf(s, n, "'\\n'");
else if (c == '\t')
return snprintf(s, n, "'\\t'");
else if (c == '\r')
return snprintf(s, n, "'\\r'");
else if (c < 128)
else if (0 < c && c < 128 && isprint(c))
return snprintf(s, n, "'%c'", c);
else
return snprintf(s, n, "%d", c);