clang/test/ClangScanDeps/Wsystem-headers-in-module.c

   1 // Check that Wsystem-headers-in-module shows diagnostics in the named system
   2 // module, but not in other system headers or modules when built with explicit
   3 // modules.
   4
   5 // RUN: rm -rf %t
   6 // RUN: split-file %s %t
   7 // RUN: sed "s|DIR|%/t|g" %t/cdb.json.template > %t/cdb.json
   8
   9 // RUN: clang-scan-deps -compilation-database %t/cdb.json -format experimental-full > %t/deps.json
  10
  11 // RUN: %deps-to-rsp %t/deps.json --module-name=dependent_sys_mod > %t/dependent_sys_mod.rsp
  12 // RUN: %deps-to-rsp %t/deps.json --module-name=sys_mod > %t/sys_mod.rsp
  13 // RUN: %deps-to-rsp %t/deps.json --module-name=other_sys_mod > %t/other_sys_mod.rsp
  14 // RUN: %deps-to-rsp %t/deps.json --tu-index 0 > %t/tu.rsp
  15
  16 // RUN: %clang @%t/dependent_sys_mod.rsp -verify
  17 // RUN: %clang @%t/sys_mod.rsp -verify
  18 // RUN: %clang @%t/other_sys_mod.rsp -verify
  19 // RUN: %clang @%t/tu.rsp -verify
  20
  21 // CHECK-NOT: warning:
  22 // CHECK: sys_mod.h:2:7: warning: extra ';'
  23 // CHECK-NOT: warning:
  24
  25 //--- cdb.json.template
  26 [{
  27   "directory": "DIR",
  28   "command": "clang -fsyntax-only -fmodules -fimplicit-module-maps -fmodules-cache-path=DIR/mcp DIR/tu.c -isystem DIR/sys -Wextra-semi -Wsystem-headers-in-module=sys_mod",
  29   "file": "DIR/tu.c"
  30 }]
  31
  32 //--- sys/other_sys_header.h
  33 int x;;
  34
  35 //--- sys_mod.h
  36 #include "dependent_sys_mod.h"
  37 int y;; // expected-warning {{extra ';' outside of a function}}
  38
  39 //--- other_sys_mod.h
  40 int z;;
  41 // expected-no-diagnostics
  42
  43 //--- dependent_sys_mod.h
  44 int w;;
  45 // expected-no-diagnostics
  46
  47 //--- module.modulemap
  48 module sys_mod [system] { header "sys_mod.h" }
  49 module other_sys_mod [system] { header "other_sys_mod.h" }
  50 module dependent_sys_mod [system] { header "dependent_sys_mod.h" }
  51
  52 //--- tu.c
  53 #include "sys_mod.h"
  54 #include "other_sys_mod.h"
  55 #include "other_sys_header.h"
  56 // expected-no-diagnostics