xref: /llvm-project/clang/test/ClangScanDeps/modules-redefinition.m (revision 9d4837f47c48c634d4a0ac799188e1f5332495ef) 
1// This test checks that we don't report non-affecting system module maps.
2// More specifically, we check that explicitly-specified module map file is not
3// being shadowed in explicit build by a module map file found during implicit
4// module map search.
5
6// RUN: rm -rf %t
7// RUN: split-file %s %t
8
9//--- tu.m
10@import first;
11
12//--- zeroth/module.modulemap
13module X {}
14
15//--- first/module.modulemap
16module first { header "first.h" }
17//--- first/first.h
18@import third;
19//--- second/module.modulemap
20module X {}
21//--- third/module.modulemap
22module third {}
23
24//--- cdb.json.template
25[{
26  "file": "DIR/tu.m",
27  "directory": "DIR",
28  "command": "clang -fmodules -fmodules-cache-path=DIR/cache -fmodule-name=X -fmodule-map-file=DIR/zeroth/module.modulemap -isystem DIR/first -isystem DIR/second -isystem DIR/third -c DIR/tu.m -o DIR/tu.o"
29}]
30
31// RUN: sed -e "s|DIR|%/t|g" %t/cdb.json.template > %t/cdb.json
32// RUN: clang-scan-deps -compilation-database %t/cdb.json -format experimental-full > %t/result.json
33// RUN: cat %t/result.json | sed 's:\\\\\?:/:g' | FileCheck %s -DPREFIX=%/t
34// CHECK:      {
35// CHECK-NEXT:   "modules": [
36// CHECK-NEXT:     {
37// CHECK-NEXT:       "clang-module-deps": [
38// CHECK-NEXT:         {
39// CHECK-NEXT:           "context-hash": "{{.*}}",
40// CHECK-NEXT:           "module-name": "third"
41// CHECK-NEXT:         }
42// CHECK-NEXT:       ],
43// CHECK-NEXT:       "clang-modulemap-file": "[[PREFIX]]/first/module.modulemap",
44// CHECK-NEXT:       "command-line": [
45// CHECK:            ],
46// CHECK-NEXT:       "context-hash": "{{.*}}",
47// CHECK-NEXT:       "file-deps": [
48// CHECK-NEXT:         [[PREFIX]]/first/module.modulemap",
49// CHECK-NEXT:         [[PREFIX]]/first/first.h",
50// CHECK-NEXT:         [[PREFIX]]/third/module.modulemap"
51// CHECK-NEXT:       ],
52// CHECK-NEXT:       "link-libraries": [],
53// CHECK-NEXT:       "name": "first"
54// CHECK-NEXT:     }
55// CHECK:        ]
56// CHECK:      }
57
58// RUN: %deps-to-rsp %t/result.json --module-name=third > %t/third.cc1.rsp
59// RUN: %deps-to-rsp %t/result.json --module-name=first > %t/first.cc1.rsp
60// RUN: %clang @%t/third.cc1.rsp
61// RUN: %clang @%t/first.cc1.rsp
62