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// 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;
}
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