File: warn-disabled-macro-expansion.c

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (35 lines) | stat: -rw-r--r-- 485 bytes parent folder | download | duplicates (38) 
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
 
// RUN: %clang_cc1 %s -E -Wdisabled-macro-expansion -verify

#define p p

#define a b
#define b a

#define f(a) a

#define g(b) a

#define h(x) i(x)
#define i(y) i(y)

#define c(x) x(0)

#define y(x) y
#define z(x) (z)(x)

p // no warning

a // expected-warning {{recursive macro}}

f(2)

g(3) // expected-warning {{recursive macro}}

h(0) // expected-warning {{recursive macro}}

c(c) // expected-warning {{recursive macro}}

y(5) // expected-warning {{recursive macro}}

z(z) // ok