clang/test/ClangScanDeps/modules-context-hash.c

   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 // RUN: sed "s|DIR|%/t|g" %S/Inputs/modules-context-hash/cdb_b2.json.template > %t/cdb_b2.json
  11
  12 // We run separate scans. The context hash for "a" and "b" can differ between
  13 // systems. If we'd scan both Clang invocations in a single run, the order of JSON
  14 // entities would be non-deterministic. To prevent this, run the scans separately
  15 // and verify that the context hashes differ with a single FileCheck invocation.
  16 //
  17 // RUN: clang-scan-deps -compilation-database %t/cdb_a.json -format experimental-full -j 1 >  %t/result_a.json
  18 // RUN: clang-scan-deps -compilation-database %t/cdb_b.json -format experimental-full -j 1 > %t/result_b.json
  19 // RUN: clang-scan-deps -compilation-database %t/cdb_b2.json -format experimental-full -j 1 > %t/result_b2.json
  20 // RUN: cat %t/result_a.json %t/result_b.json | sed 's:\\\\\?:/:g' | FileCheck %s -DPREFIX=%/t -check-prefix=CHECK
  21 // RUN: cat %t/result_b.json %t/result_b2.json | sed 's:\\\\\?:/:g' | FileCheck %s -DPREFIX=%/t -check-prefix=FLAG_ONLY
  22
  23 // CHECK:      {
  24 // CHECK-NEXT:   "modules": [
  25 // CHECK-NEXT:     {
  26 // CHECK-NEXT:       "clang-module-deps": [],
  27 // CHECK-NEXT:       "clang-modulemap-file": "[[PREFIX]]/module.modulemap",
  28 // CHECK-NEXT:       "command-line": [
  29 // CHECK-NEXT:         "-cc1"
  30 // CHECK:              "-emit-module"
  31 // CHECK:              "-I"
  32 // CHECK:              "[[PREFIX]]/a"
  33 // CHECK:              "-fmodule-name=mod"
  34 // CHECK:            ],
  35 // CHECK-NEXT:       "context-hash": "[[HASH_MOD_A:.*]]",
  36 // CHECK-NEXT:       "file-deps": [
  37 // CHECK-NEXT:         "[[PREFIX]]/a/dep.h",
  38 // CHECK-NEXT:         "[[PREFIX]]/mod.h",
  39 // CHECK-NEXT:         "[[PREFIX]]/module.modulemap"
  40 // CHECK-NEXT:       ],
  41 // CHECK-NEXT:       "name": "mod"
  42 // CHECK-NEXT:     }
  43 // CHECK-NEXT:   ],
  44 // CHECK-NEXT:   "translation-units": [
  45 // CHECK-NEXT:     {
  46 // CHECK:            "clang-context-hash": "{{.*}}",
  47 // CHECK-NEXT:       "clang-module-deps": [
  48 // CHECK-NEXT:         {
  49 // CHECK-NEXT:           "context-hash": "[[HASH_MOD_A]]",
  50 // CHECK-NEXT:           "module-name": "mod"
  51 // CHECK-NEXT:         }
  52 // CHECK-NEXT:       ],
  53 // CHECK-NEXT:       "command-line": [
  54 // CHECK:            ],
  55 // CHECK:            "file-deps": [
  56 // CHECK-NEXT:         "[[PREFIX]]/tu.c"
  57 // CHECK-NEXT:       ],
  58 // CHECK-NEXT:       "input-file": "[[PREFIX]]/tu.c"
  59 // CHECK-NEXT:     }
  60
  61 // CHECK:       "modules": [
  62 // CHECK-NEXT:     {
  63 // CHECK-NEXT:       "clang-module-deps": [],
  64 // CHECK-NEXT:       "clang-modulemap-file": "[[PREFIX]]/module.modulemap",
  65 // CHECK-NEXT:       "command-line": [
  66 // CHECK-NEXT:         "-cc1"
  67 // CHECK:              "-emit-module"
  68 // CHECK:              "-I"
  69 // CHECK:              "[[PREFIX]]/b"
  70 // CHECK:              "-fmodule-name=mod"
  71 // CHECK:            ],
  72 // CHECK-NOT:        "context-hash": "[[HASH_MOD_A]]",
  73 // CHECK:            "file-deps": [
  74 // CHECK-NEXT:         "[[PREFIX]]/b/dep.h",
  75 // CHECK-NEXT:         "[[PREFIX]]/mod.h",
  76 // CHECK-NEXT:         "[[PREFIX]]/module.modulemap"
  77 // CHECK-NEXT:       ],
  78 // CHECK-NEXT:       "name": "mod"
  79 // CHECK-NEXT:     }
  80 // CHECK-NEXT:   ],
  81 // CHECK-NEXT:   "translation-units": [
  82 // CHECK-NEXT:     {
  83 // CHECK:            "clang-context-hash": "{{.*}}",
  84 // CHECK-NEXT:       "clang-module-deps": [
  85 // CHECK-NEXT:         {
  86 // CHECK-NOT:            "context-hash": "[[HASH_MOD_A]]",
  87 // CHECK:                "module-name": "mod"
  88 // CHECK-NEXT:         }
  89 // CHECK-NEXT:       ],
  90 // CHECK-NEXT:       "command-line": [
  91 // CHECK:            ],
  92 // CHECK:            "file-deps": [
  93 // CHECK-NEXT:         "[[PREFIX]]/tu.c"
  94 // CHECK-NEXT:       ],
  95 // CHECK-NEXT:       "input-file": "[[PREFIX]]/tu.c"
  96 // CHECK-NEXT:     }
  97
  98 // B and B2 only differ by -fapplication-extension
  99
 100 // FLAG_ONLY:       "modules": [
 101 // FLAG_ONLY-NEXT:     {
 102 // FLAG_ONLY:            "context-hash": "[[HASH_MOD_B1:.*]]"
 103 // FLAG_ONLY-NOT:        "-fapplication-extension"
 104
 105 // FLAG_ONLY:       "modules": [
 106 // FLAG_ONLY-NEXT:     {
 107 // FLAG_ONLY-NOT:        "context-hash": "[[HASH_MOD_B1]]"
 108 // FLAG_ONLY:            "-fapplication-extension"
 109 // FLAG_ONLY:       "translation-units": [
 110 // FLAG_ONLY-NOT:        "context-hash": "[[HASH_MOD_B1]]"