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