clang/test/ClangScanDeps/modules-no-undeclared-includes.c

   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]]/undeclared/module.modulemap",
  48 // CHECK-NEXT:         "[[PREFIX]]/user.h"
  49 // CHECK-NEXT:       ],
  50 // CHECK-NEXT:       "name": "User"
  51 // CHECK-NEXT:     }
  52 // CHECK-NEXT:   ],
  53 // CHECK-NEXT:   "translation-units": [
  54 // CHECK-NEXT:     {
  55 // CHECK:            "clang-context-hash": "{{.*}}"
  56 // CHECK-NEXT:       "clang-module-deps": [
  57 // CHECK-NEXT:         {
  58 // CHECK-NEXT:           "context-hash": "{{.*}}"
  59 // CHECK-NEXT:           "module-name": "User"
  60 // CHECK-NEXT:         }
  61 // CHECK-NEXT:       ],
  62 // CHECK-NEXT:       "command-line": [
  63 // CHECK:            ],
  64 // CHECK:            "file-deps": [
  65 // CHECK-NEXT:         "[[PREFIX]]/test.c"
  66 // CHECK-NEXT:       ],
  67 // CHECK-NEXT:       "input-file": "[[PREFIX]]/test.c"
  68 // CHECK-NEXT:     }
  69
  70 // RUN: %deps-to-rsp %t/result.json --module-name=User > %t/User.cc1.rsp
  71 // RUN: %deps-to-rsp %t/result.json --tu-index=0 > %t/tu.rsp
  72 //
  73 // RUN: %clang @%t/User.cc1.rsp
  74 // RUN: %clang @%t/tu.rsp