lex_string.c revision 1.3 1 /* $NetBSD: lex_string.c,v 1.3 2021/08/23 17:47:34 rillig Exp $ */
2 # 3 "lex_string.c"
3
4 /*
5 * Test lexical analysis of string constants.
6 *
7 * C99 6.4.5 "String literals"
8 */
9
10 void sink(const char *);
11
12 void
13 test(void)
14 {
15 sink("");
16
17 sink("hello, world\n");
18
19 sink("\0");
20
21 sink("\0\0\0\0");
22
23 /* expect+1: no hex digits follow \x [74] */
24 sink("\x"); /* unfinished */
25
26 /* expect+1: dubious escape \y [79] */
27 sink("\y"); /* unknown escape sequence */
28
29 sink("first" "second");
30
31 /* expect+1: error: cannot concatenate wide and regular string literals [292] */
32 sink("plain" L"wide");
33 }
34