xref: /llvm-project/clang/test/ClangScanDeps/modules-header-sharing.m (revision a26ec542371652e1d774696e90016fd5b0b1c191) 
1// There are some edge-cases where Clang depends on knowing the module whose implementation it's currently building.
2// This test makes sure scanner always reports the corresponding module map.
3
4// RUN: rm -rf %t
5// RUN: split-file %s %t
6
7//--- frameworks/A.framework/Modules/module.modulemap
8framework module A { umbrella header "A.h" }
9//--- frameworks/B.framework/Modules/module.modulemap
10framework module B { umbrella header "B.h" }
11//--- frameworks/A.framework/Headers/A.h
12//--- frameworks/B.framework/Headers/B.h
13//--- frameworks/A.framework/Modules/module.private.modulemap
14framework module A_Private { umbrella header "A_Private.h" }
15//--- frameworks/B.framework/Modules/module.private.modulemap
16framework module B_Private { umbrella header "B_Private.h" }
17//--- frameworks/A.framework/PrivateHeaders/A_Private.h
18#import <A/H.h>
19//--- frameworks/B.framework/PrivateHeaders/B_Private.h
20#import <B/H.h>
21
22//--- shared/H.h
23
24//--- overlay.json.template
25{
26  "case-sensitive": "false",
27  "version": 0,
28  "roots": [
29    {
30      "contents": [
31        {
32          "external-contents": "DIR/shared/H.h",
33          "name": "H.h",
34          "type": "file"
35        }
36      ],
37      "name": "DIR/frameworks/A.framework/PrivateHeaders",
38      "type": "directory"
39    },
40    {
41      "contents": [
42        {
43          "external-contents": "DIR/shared/H.h",
44          "name": "H.h",
45          "type": "file"
46        }
47      ],
48      "name": "DIR/frameworks/B.framework/PrivateHeaders",
49      "type": "directory"
50    }
51  ]
52}
53
54//--- cdb.json.template
55[{
56  "file": "DIR/tu.m",
57  "directory": "DIR",
58  "command": "clang -fmodules -fmodules-cache-path=DIR/cache -fmodule-name=A -ivfsoverlay DIR/overlay.json -F DIR/frameworks -c DIR/tu.m -o DIR/tu.o"
59}]
60
61//--- tu.m
62@import B;
63#import <A/H.h>
64#import <B/H.h>
65
66// RUN: sed -e "s|DIR|%/t|g" %t/cdb.json.template > %t/cdb.json
67// RUN: sed -e "s|DIR|%/t|g" %t/overlay.json.template > %t/overlay.json
68
69// RUN: clang-scan-deps -compilation-database %t/cdb.json -format experimental-full > %t/result.json
70// RUN: cat %t/result.json | sed 's:\\\\\?:/:g' | FileCheck %s -DPREFIX=%/t
71// CHECK:      {
72// CHECK:        "translation-units": [
73// CHECK-NEXT:     {
74// CHECK-NEXT:       "commands": [
75// CHECK:              {
76// CHECK:                "command-line": [
77// CHECK:                  "-fmodule-map-file=[[PREFIX]]/frameworks/A.framework/Modules/module.modulemap",
78// CHECK:                  "-fmodule-name=A",
79// CHECK:                ],
80// CHECK:                "file-deps": [
81// CHECK-NEXT:             "[[PREFIX]]/tu.m",
82// CHECK-NEXT:             "[[PREFIX]]/shared/H.h"
83// CHECK-NEXT:           ],
84// CHECK-NEXT:           "input-file": "[[PREFIX]]/tu.m"
85// CHECK-NEXT:         }
86// CHECK:            ]
87// CHECK:          }
88
89// RUN: %deps-to-rsp %t/result.json --module-name=B > %t/B.cc1.rsp
90// RUN: %clang @%t/B.cc1.rsp
91
92// RUN: %deps-to-rsp %t/result.json --tu-index=0 > %t/tu.rsp
93// RUN: %clang @%t/tu.rsp
94