File: embed_parameter_prefix.c

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (38 lines) | stat: -rw-r--r-- 1,147 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
// RUN: %clang_cc1 -std=c23 %s --embed-dir=%S/Inputs -fsyntax-only -verify

const char data[] = {
#embed <single_byte.txt> prefix('\xA', )
};
const char empty_data[] = {
#embed <media/empty> prefix('\xA', )
1
};
static_assert(sizeof(data) == 2);
static_assert('\xA' == data[0]);
static_assert('b' == data[1]);
static_assert(sizeof(empty_data) == 1);
static_assert(1 == empty_data[0]);

struct S {
  int x, y, z;
};

const struct S s = {
#embed <single_byte.txt> prefix( .x = 100, .y = 10, )
};
static_assert(s.x == 100);
static_assert(s.y == 10);
static_assert(s.z == 'b');

// Ensure that an empty file does not produce any prefix tokens. If it did,
// there would be random tokens here that the parser would trip on.
#embed <media/empty> prefix(0)

// Ensure we diagnose duplicate parameters even if they're the same value.
const unsigned char a[] = {
#embed <jk.txt> prefix(1,) limit(1) prefix(1,)
// expected-error@-1 {{cannot specify parameter 'prefix' twice in the same '#embed' directive}}
,
#embed <jk.txt> prefix(1,) if_empty() prefix(2,)
// expected-error@-1 {{cannot specify parameter 'prefix' twice in the same '#embed' directive}}
};