xref: /llvm-project/clang/test/ClangScanDeps/modules-no-undeclared-includes.c (revision 9d4837f47c48c634d4a0ac799188e1f5332495ef)
1 // Unsupported on AIX because we don't support the requisite "__clangast"
2 // section in XCOFF yet.
3 // UNSUPPORTED: target={{.*}}-aix{{.*}}
4 
5 // RUN: rm -rf %t && mkdir %t
6 // RUN: split-file %s %t
7 
8 //--- undeclared/module.modulemap
9 module Undeclared { header "undeclared.h" }
10 
11 //--- undeclared/undeclared.h
12 
13 //--- module.modulemap
14 module User [no_undeclared_includes] { header "user.h" }
15 
16 //--- user.h
17 #if __has_include("undeclared.h")
18 #error Unreachable. Undeclared comes from a module that's not 'use'd, meaning the compiler should pretend it doesn't exist.
19 #endif
20 
21 //--- test.c
22 #include "user.h"
23 
24 //--- cdb.json.template
25 [{
26   "directory": "DIR",
27   "command": "clang -fmodules -gmodules -fimplicit-module-maps -fmodules-cache-path=DIR/cache -IDIR/undeclared -c DIR/test.c -o DIR/test.o",
28   "file": "DIR/test.c"
29 }]
30 
31 // RUN: sed "s|DIR|%/t|g" %t/cdb.json.template > %t/cdb.json
32 // RUN: clang-scan-deps -compilation-database %t/cdb.json -format experimental-full \
33 // RUN:   -module-files-dir %t/build > %t/result.json
34 // RUN: cat %t/result.json | sed 's:\\\\\?:/:g' | FileCheck %s -DPREFIX=%/t
35 
36 // CHECK:        {
37 // CHECK-NEXT:   "modules": [
38 // CHECK-NEXT:     {
39 // CHECK-NEXT:       "clang-module-deps": [],
40 // CHECK-NEXT:       "clang-modulemap-file": "[[PREFIX]]/module.modulemap",
41 // CHECK-NEXT:       "command-line": [
42 // CHECK:              "-fmodule-map-file=[[PREFIX]]/undeclared/module.modulemap"
43 // CHECK:            ],
44 // CHECK-NEXT:       "context-hash": "{{.*}}",
45 // CHECK-NEXT:       "file-deps": [
46 // CHECK-NEXT:         "[[PREFIX]]/module.modulemap",
47 // CHECK-NEXT:         "[[PREFIX]]/user.h",
48 // CHECK-NEXT:         "[[PREFIX]]/undeclared/module.modulemap"
49 // CHECK-NEXT:       ],
50 // CHECK-NEXT:       "link-libraries": [],
51 // CHECK-NEXT:       "name": "User"
52 // CHECK-NEXT:     }
53 // CHECK-NEXT:   ],
54 // CHECK-NEXT:   "translation-units": [
55 // CHECK-NEXT:     {
56 // CHECK:            "clang-context-hash": "{{.*}}"
57 // CHECK-NEXT:       "clang-module-deps": [
58 // CHECK-NEXT:         {
59 // CHECK-NEXT:           "context-hash": "{{.*}}"
60 // CHECK-NEXT:           "module-name": "User"
61 // CHECK-NEXT:         }
62 // CHECK-NEXT:       ],
63 // CHECK-NEXT:       "command-line": [
64 // CHECK:            ],
65 // CHECK:            "file-deps": [
66 // CHECK-NEXT:         "[[PREFIX]]/test.c"
67 // CHECK-NEXT:       ],
68 // CHECK-NEXT:       "input-file": "[[PREFIX]]/test.c"
69 // CHECK-NEXT:     }
70 
71 // RUN: %deps-to-rsp %t/result.json --module-name=User > %t/User.cc1.rsp
72 // RUN: %deps-to-rsp %t/result.json --tu-index=0 > %t/tu.rsp
73 //
74 // RUN: %clang @%t/User.cc1.rsp
75 // RUN: %clang @%t/tu.rsp
76