File: macro-expansions.cpp

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb11u2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,634,820 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (40 lines) | stat: -rw-r--r-- 853 bytes parent folder | download | duplicates (17) 
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
39
40
 
// This checks that there's no issue with the preprocessor handling user or built-in macro
// expansion during dependency scanning.

// RUN: rm -rf %t
// RUN: split-file %s %t
// RUN: sed -e "s|DIR|%/t|g" %t/cdb.json.template > %t/cdb.json

// RUN: clang-scan-deps -compilation-database %t/cdb.json | FileCheck %s

// CHECK: test.o:
// CHECK-NEXT: test.cpp
// CHECK-NEXT: header1.h
// CHECK-NEXT: header2.h

//--- cdb.json.template
[{
  "directory" : "DIR",
  "command" : "clang -target x86_64-apple-macosx10.7 -c DIR/test.cpp -o DIR/test.o",
  "file" : "DIR/test.o"
}]

//--- test.cpp
#define FN_MACRO(x) 1
#if FN_MACRO(a)
#include "header1.h"
#endif

#if __has_cpp_attribute(clang::fallthrough)
#include "header2.h"
#endif

//--- header1.h
#ifndef _HEADER1_H_
#define _HEADER1_H_
#endif

//--- header2.h
#ifndef _HEADER2_H_
#define _HEADER2_H_
#endif