diff options
Diffstat (limited to 'print-syntax.c')
| -rw-r--r-- | print-syntax.c | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/print-syntax.c b/print-syntax.c index 07b3858..6a00fb8 100644 --- a/print-syntax.c +++ b/print-syntax.c @@ -14,6 +14,7 @@ static int print_sentence(const union libparser_sentence *sentence, int indent) { + size_t off, n; int len; switch (sentence->type) { @@ -79,7 +80,48 @@ print_sentence(const union libparser_sentence *sentence, int indent) break; case LIBPARSER_SENTENCE_TYPE_STRING: - printf("\"%.*s\"%n", (int)sentence->string.length, sentence->string.string, &len); + printf("\"%n", &len); + indent += len; + off = 0; + n = 0; + while (off + n < sentence->string.length) { + if (sentence->string.string[off + n] < ' ' || + sentence->string.string[off + n] >= 0x7F || + sentence->string.string[off + n] == '"' || + sentence->string.string[off + n] == '\\') { + printf("%.*s%n", (int)n, &sentence->string.string[off], &len); + indent += len; + off += n; + n = 0; + switch (sentence->string.string[off]) { + case '\\': printf("\\\\%n", &len); break; + case '\"': printf("\\\"%n", &len); break; + case '\a': printf("\\a%n", &len); break; + case '\b': printf("\\b%n", &len); break; + case '\f': printf("\\f%n", &len); break; + case '\n': printf("\\n%n", &len); break; + case '\r': printf("\\r%n", &len); break; + case '\t': printf("\\t%n", &len); break; + case '\v': printf("\\v%n", &len); break; + default: + printf("\\x%02X%n", +(unsigned char)sentence->string.string[off], &len); + break; + } + off++; + } else if (n == 4096U) { + printf("%.*s%n", (int)n, &sentence->string.string[off], &len); + indent += len; + off += n; + n = 0; + } else { + n++; + } + } + if (n) { + printf("%.*s%n", (int)n, &sentence->string.string[off], &len); + indent += len; + } + printf("\"%n", &len); indent += len; break; |