1// RUN: rm -rf %t 2// RUN: mkdir %t 3// RUN: split-file %s %t 4// 5// RUN: %clang_cc1 -std=c++20 %t/a.cppm -E -P -I%t -o %t/tmp 2>&1 | FileCheck %t/a.cppm 6// RUN: %clang_cc1 -std=c++20 %t/a.cppm -E -P -I%t -o - 2>&1 \ 7// RUN: -Wno-include-angled-in-module-purview | FileCheck %t/a.cppm --check-prefix=CHECK-NO-WARN 8// RUN: %clang_cc1 -std=c++20 %t/b.cpp -E -P -I%t -o - 2>&1 | FileCheck %t/a.cppm --check-prefix=CHECK-NO-WARN 9 10//--- a.h 11// left empty 12 13//--- b.h 14#include <stddef.h> 15// The headers not get included shouldn't be affected. 16#ifdef WHATEVER 17#include <stdint.h> 18#endif 19 20//--- a.cppm 21module; 22#include <stddef.h> 23#include <a.h> 24#include <b.h> 25#include "a.h" 26#include "b.h" 27export module a; 28 29#include <stddef.h> 30#include <a.h> 31#include <b.h> 32#include "a.h" 33#include "b.h" 34 35// CHECK: a.cppm:9:10: warning: '#include <filename>' attaches the declarations to the named module 'a' 36// CHECK: a.cppm:10:10: warning: '#include <filename>' attaches the declarations to the named module 'a' 37// CHECK: a.cppm:11:10: warning: '#include <filename>' attaches the declarations to the named module 'a' 38// CHECK: In file included from {{.*}}/a.cppm:11 39// CHECK-NEXT: b.h:1:10: warning: '#include <filename>' attaches the declarations to the named module 'a' 40// CHECK: In file included from {{.*}}/a.cppm:13 41// CHECK-NEXT: b.h:1:10: warning: '#include <filename>' attaches the declarations to the named module 'a' 42 43module :private; 44#include <stddef.h> 45#include <a.h> 46#include <b.h> 47#include "a.h" 48#include "b.h" 49 50// CHECK: a.cppm:24:10: warning: '#include <filename>' attaches the declarations to the named module 'a' 51// CHECK: a.cppm:25:10: warning: '#include <filename>' attaches the declarations to the named module 'a' 52// CHECK: a.cppm:26:10: warning: '#include <filename>' attaches the declarations to the named module 'a' 53// CHECK: In file included from {{.*}}/a.cppm:26 54// CHECK-NEXT: b.h:1:10: warning: '#include <filename>' attaches the declarations to the named module 'a' 55// CHECK: In file included from {{.*}}/a.cppm:28 56// CHECK-NEXT: b.h:1:10: warning: '#include <filename>' attaches the declarations to the named module 'a' 57 58// We should have catched all warnings. 59// CHECK: 10 warnings generated. 60 61// CHECK-NO-WARN-NOT: warning 62 63//--- b.cpp 64/// Don't recognize `module m);` as a module purview or report a spurious 65/// warning for <stddef.h>. 66struct module {}; 67void foo(module m); 68#include <stddef.h> 69