| // Check that a module from -fmodule-name= does not accidentally pick up extra |
| // dependencies that come from a PCH. |
| |
| // RUN: rm -rf %t |
| // RUN: split-file %s %t |
| // RUN: sed "s|DIR|%/t|g" %t/cdb.json.template > %t/cdb.json |
| // RUN: sed "s|DIR|%/t|g" %t/cdb_pch.json.template > %t/cdb_pch.json |
| |
| // Scan PCH |
| // RUN: clang-scan-deps -compilation-database %t/cdb_pch.json \ |
| // RUN: -format experimental-full -mode preprocess-dependency-directives \ |
| // RUN: > %t/deps_pch.json |
| |
| // Build PCH |
| // RUN: %deps-to-rsp %t/deps_pch.json --module-name A > %t/A.rsp |
| // RUN: %deps-to-rsp %t/deps_pch.json --module-name B > %t/B.rsp |
| // RUN: %deps-to-rsp %t/deps_pch.json --tu-index 0 > %t/pch.rsp |
| // RUN: %clang @%t/A.rsp |
| // RUN: %clang @%t/B.rsp |
| // RUN: %clang @%t/pch.rsp |
| |
| // Scan TU with PCH |
| // RUN: clang-scan-deps -compilation-database %t/cdb.json \ |
| // RUN: -format experimental-full -mode preprocess-dependency-directives \ |
| // RUN: > %t/deps.json |
| |
| // RUN: cat %t/deps.json | sed 's:\\\\\?:/:g' | FileCheck %s -DPREFIX=%/t |
| |
| // Verify that the only modular import in C is E and not the unrelated modules |
| // A or B that come from the PCH. |
| |
| // CHECK: { |
| // CHECK-NEXT: "modules": [ |
| // CHECK-NEXT: { |
| // CHECK: "clang-module-deps": [ |
| // CHECK-NEXT: { |
| // CHECK: "module-name": "E" |
| // CHECK: } |
| // CHECK-NEXT: ] |
| // CHECK: "clang-modulemap-file": "[[PREFIX]]/module.modulemap" |
| // CHECK: "command-line": [ |
| // CHECK-NOT: "-fmodule-file= |
| // CHECK: "-fmodule-file={{(E=)?}}[[PREFIX]]/{{.*}}/E-{{.*}}.pcm" |
| // CHECK-NOT: "-fmodule-file= |
| // CHECK: ] |
| // CHECK: "name": "C" |
| // CHECK: } |
| |
| |
| //--- cdb_pch.json.template |
| [{ |
| "file": "DIR/prefix.h", |
| "directory": "DIR", |
| "command": "clang -x c-header DIR/prefix.h -o DIR/prefix.h.pch -fmodules -fimplicit-modules -fimplicit-module-maps -fmodules-cache-path=DIR/module-cache" |
| }] |
| |
| //--- cdb.json.template |
| [{ |
| "file": "DIR/tu.c", |
| "directory": "DIR", |
| "command": "clang -fsyntax-only DIR/tu.c -include DIR/prefix.h -fmodule-name=C -fmodules -fimplicit-modules -fimplicit-module-maps -fmodules-cache-path=DIR/module-cache" |
| }] |
| |
| //--- module.modulemap |
| module A { header "A.h" export * } |
| module B { header "B.h" export * } |
| module C { header "C.h" export * } |
| module D { header "D.h" export * } |
| module E { header "E.h" export * } |
| |
| //--- A.h |
| #pragma once |
| struct A { int x; }; |
| |
| //--- B.h |
| #pragma once |
| #include "A.h" |
| struct B { struct A a; }; |
| |
| //--- C.h |
| #pragma once |
| #include "E.h" |
| struct C { struct E e; }; |
| |
| //--- D.h |
| #pragma once |
| #include "C.h" |
| struct D { struct C c; }; |
| |
| //--- E.h |
| #pragma once |
| struct E { int y; }; |
| |
| //--- prefix.h |
| #include "B.h" |
| |
| //--- tu.c |
| // C.h is first included textually due to -fmodule-name=C. |
| #include "C.h" |
| // importing D pulls in a modular import of C; it's this build of C that we |
| // are verifying above |
| #include "D.h" |
| |
| void tu(void) { |
| struct A a; |
| struct B b; |
| struct C c; |
| } |