1 // RUN: rm -rf %t && mkdir %t
2 // RUN: cp -r %S/Inputs/modules-context-hash/* %t
3 
4 // Check that the scanner reports the same module as distinct dependencies when
5 // a single translation unit gets compiled with multiple command-lines that
6 // produce different **strict** context hashes.
7 
8 // RUN: sed "s|DIR|%/t|g" %S/Inputs/modules-context-hash/cdb_a.json.template > %t/cdb_a.json
9 // RUN: sed "s|DIR|%/t|g" %S/Inputs/modules-context-hash/cdb_b.json.template > %t/cdb_b.json
10 
11 // We run two separate scans. The context hash for "a" and "b" can differ between
12 // systems. If we'd scan both Clang invocations in a single run, the order of JSON
13 // entities would be non-deterministic. To prevent this, run the scans separately
14 // and verify that the context hashes differ with a single FileCheck invocation.
15 //
16 // RUN: clang-scan-deps -compilation-database %t/cdb_a.json -format experimental-full -j 1 >  %t/result.json
17 // RUN: clang-scan-deps -compilation-database %t/cdb_b.json -format experimental-full -j 1 >> %t/result.json
18 // RUN: cat %t/result.json | sed 's:\\\\\?:/:g' | FileCheck %s -DPREFIX=%/t -check-prefix=CHECK
19 
20 // CHECK:      {
21 // CHECK-NEXT:   "modules": [
22 // CHECK-NEXT:     {
23 // CHECK-NEXT:       "clang-module-deps": [],
24 // CHECK-NEXT:       "clang-modulemap-file": "[[PREFIX]]/module.modulemap",
25 // CHECK-NEXT:       "command-line": [
26 // CHECK-NEXT:         "-cc1"
27 // CHECK:              "-emit-module"
28 // CHECK:              "-I"
29 // CHECK:              "[[PREFIX]]/a"
30 // CHECK:              "-fmodule-name=mod"
31 // CHECK:            ],
32 // CHECK-NEXT:       "context-hash": "[[HASH_MOD_A:.*]]",
33 // CHECK-NEXT:       "file-deps": [
34 // CHECK-NEXT:         "[[PREFIX]]/a/dep.h",
35 // CHECK-NEXT:         "[[PREFIX]]/mod.h",
36 // CHECK-NEXT:         "[[PREFIX]]/module.modulemap"
37 // CHECK-NEXT:       ],
38 // CHECK-NEXT:       "name": "mod"
39 // CHECK-NEXT:     }
40 // CHECK-NEXT:   ],
41 // CHECK-NEXT:   "translation-units": [
42 // CHECK-NEXT:     {
43 // CHECK-NEXT:       "clang-context-hash": "{{.*}}",
44 // CHECK-NEXT:       "clang-module-deps": [
45 // CHECK-NEXT:         {
46 // CHECK-NEXT:           "context-hash": "[[HASH_MOD_A]]",
47 // CHECK-NEXT:           "module-name": "mod"
48 // CHECK-NEXT:         }
49 // CHECK-NEXT:       ],
50 // CHECK-NEXT:       "command-line": [
51 // CHECK:              "-fno-implicit-modules",
52 // CHECK-NEXT:         "-fno-implicit-module-maps"
53 // CHECK-NEXT:       ],
54 // CHECK-NEXT:       "file-deps": [
55 // CHECK-NEXT:         "[[PREFIX]]/tu.c"
56 // CHECK-NEXT:       ],
57 // CHECK-NEXT:       "input-file": "[[PREFIX]]/tu.c"
58 // CHECK-NEXT:     }
59 // CHECK-NEXT:   ]
60 // CHECK-NEXT: }
61 // CHECK-NEXT: {
62 // CHECK-NEXT:   "modules": [
63 // CHECK-NEXT:     {
64 // CHECK-NEXT:       "clang-module-deps": [],
65 // CHECK-NEXT:       "clang-modulemap-file": "[[PREFIX]]/module.modulemap",
66 // CHECK-NEXT:       "command-line": [
67 // CHECK-NEXT:         "-cc1"
68 // CHECK:              "-emit-module"
69 // CHECK:              "-I"
70 // CHECK:              "[[PREFIX]]/b"
71 // CHECK:              "-fmodule-name=mod"
72 // CHECK:            ],
73 // CHECK-NOT:        "context-hash": "[[HASH_MOD_A]]",
74 // CHECK:            "file-deps": [
75 // CHECK-NEXT:         "[[PREFIX]]/b/dep.h",
76 // CHECK-NEXT:         "[[PREFIX]]/mod.h",
77 // CHECK-NEXT:         "[[PREFIX]]/module.modulemap"
78 // CHECK-NEXT:       ],
79 // CHECK-NEXT:       "name": "mod"
80 // CHECK-NEXT:     }
81 // CHECK-NEXT:   ],
82 // CHECK-NEXT:   "translation-units": [
83 // CHECK-NEXT:     {
84 // CHECK-NEXT:       "clang-context-hash": "{{.*}}",
85 // CHECK-NEXT:       "clang-module-deps": [
86 // CHECK-NEXT:         {
87 // CHECK-NOT:            "context-hash": "[[HASH_MOD_A]]",
88 // CHECK:                "module-name": "mod"
89 // CHECK-NEXT:         }
90 // CHECK-NEXT:       ],
91 // CHECK-NEXT:       "command-line": [
92 // CHECK:              "-fno-implicit-modules",
93 // CHECK-NEXT:         "-fno-implicit-module-maps"
94 // CHECK-NEXT:       ],
95 // CHECK-NEXT:       "file-deps": [
96 // CHECK-NEXT:         "[[PREFIX]]/tu.c"
97 // CHECK-NEXT:       ],
98 // CHECK-NEXT:       "input-file": "[[PREFIX]]/tu.c"
99 // CHECK-NEXT:     }
100 // CHECK-NEXT:   ]
101 // CHECK-NEXT: }
102