| // Test check that consuming -E -fdirectives-only output produces the expected |
| // header unit. |
| |
| // RUN: rm -rf %t |
| // RUN: mkdir -p %t |
| // RUN: split-file %s %t |
| // RUN: cd %t |
| |
| // RUN: %clang_cc1 -std=c++20 -E -fdirectives-only -xc++-user-header hu-01.h \ |
| // RUN: -o hu-01.iih |
| |
| // RUN: %clang_cc1 -std=c++20 -emit-header-unit \ |
| // RUN: -xc++-user-header-cpp-output hu-01.iih -o hu-01.pcm |
| |
| // RUN: %clang_cc1 -std=c++20 -emit-header-unit -xc++-user-header hu-02.h \ |
| // RUN: -DFOO -fmodule-file=hu-01.pcm -o hu-02.pcm -Rmodule-import 2>&1 | \ |
| // RUN: FileCheck --check-prefix=CHECK-IMP %s -DTDIR=%t |
| |
| //--- hu-01.h |
| #ifndef __GUARD |
| #define __GUARD |
| |
| int baz(int); |
| #define FORTYTWO 42 |
| |
| #define SHOULD_NOT_BE_DEFINED -1 |
| #undef SHOULD_NOT_BE_DEFINED |
| |
| #endif // __GUARD |
| // expected-no-diagnostics |
| |
| //--- hu-02.h |
| export import "hu-01.h"; |
| #if !defined(FORTYTWO) || FORTYTWO != 42 |
| #error FORTYTWO missing in hu-02 |
| #endif |
| |
| #ifndef __GUARD |
| #error __GUARD missing in hu-02 |
| #endif |
| |
| #ifdef SHOULD_NOT_BE_DEFINED |
| #error SHOULD_NOT_BE_DEFINED is visible |
| #endif |
| |
| // Make sure that we have not discarded macros from the builtin file. |
| #ifndef __cplusplus |
| #error we dropped a defined macro |
| #endif |
| |
| #define KAP 6174 |
| |
| #ifdef FOO |
| #define FOO_BRANCH(X) (X) + 1 |
| inline int foo(int x) { |
| if (x == FORTYTWO) |
| return FOO_BRANCH(x); |
| return FORTYTWO; |
| } |
| #else |
| #define BAR_BRANCH(X) (X) + 2 |
| inline int bar(int x) { |
| if (x == FORTYTWO) |
| return BAR_BRANCH(x); |
| return FORTYTWO; |
| } |
| #endif |
| // CHECK-IMP: remark: importing module '.{{/|\\\\?}}hu-01.h' from 'hu-01.pcm' |
