// Check that tracking of VFSs works with PCH.
// RUN: rm -rf %t
// RUN: split-file %s %t
// RUN: sed -e "s|DIR|%/t|g" %t/build/compile-commands-pch.json.in > %t/build/compile-commands-pch.json
// RUN: sed -e "s|DIR|%/t|g" %t/build/compile-commands-tu.json.in > %t/build/compile-commands-tu.json
// RUN: sed -e "s|DIR|%/t|g" %t/build/compile-commands-tu-no-vfs-error.json.in > %t/build/compile-commands-tu-no-vfs-error.json
// RUN: sed -e "s|DIR|%/t|g" %t/build/compile-commands-tu1.json.in > %t/build/compile-commands-tu1.json
// RUN: sed -e "s|DIR|%/t|g" %t/build/pch-overlay.yaml.in > %t/build/pch-overlay.yaml
// RUN: clang-scan-deps -compilation-database %t/build/compile-commands-pch.json \
// RUN: -j 1 -format experimental-full --optimize-args=vfs,header-search > %t/pch-deps.db
// RUN: %deps-to-rsp %t/pch-deps.db --module-name=A > %t/A.rsp
// RUN: %deps-to-rsp %t/pch-deps.db --module-name=B > %t/B.rsp
// RUN: %deps-to-rsp %t/pch-deps.db --tu-index=0 > %t/pch.rsp
// RUN: %clang @%t/A.rsp
// RUN: %clang @%t/B.rsp
// RUN: %clang @%t/pch.rsp
// RUN: clang-scan-deps -compilation-database %t/build/compile-commands-tu.json \
// RUN: -j 1 -format experimental-full --optimize-args=vfs,header-search > %t/tu-deps.db
// RUN: %deps-to-rsp %t/tu-deps.db --module-name=C > %t/C.rsp
// RUN: %deps-to-rsp %t/tu-deps.db --tu-index=0 > %t/tu.rsp
// RUN: %clang @%t/C.rsp
// RUN: %clang @%t/tu.rsp
// RUN: not clang-scan-deps -compilation-database %t/build/compile-commands-tu-no-vfs-error.json \
// RUN: -j 1 -format experimental-full --optimize-args=vfs,header-search 2>&1 | FileCheck --check-prefix=CHECK-ERROR %s
// CHECK-ERROR: error: PCH was compiled with different VFS overlay files than are currently in use
// CHECK-ERROR: note: current translation unit has no VFS overlays
// Next test is to verify that a module that doesn't use the VFS, that depends
// on the PCH's A, which does use the VFS, still records that it needs the VFS.
// This avoids a fatal error when emitting diagnostics.
// RUN: clang-scan-deps -compilation-database %t/build/compile-commands-tu1.json \
// RUN: -j 1 -format experimental-full --optimize-args=vfs,header-search > %t/tu1-deps.db
// RUN: %deps-to-rsp %t/tu1-deps.db --tu-index=0 > %t/tu1.rsp
// Reuse existing B
// RUN: %deps-to-rsp %t/tu1-deps.db --module-name=E > %t/E.rsp
// RUN: %deps-to-rsp %t/tu1-deps.db --module-name=D > %t/D.rsp
// The build of D depends on B which depend on the prebuilt A. D will only build
// if it has A's VFS, as it needs to emit a diagnostic showing the content of A.
// RUN: %clang @%t/E.rsp
// RUN: %clang @%t/D.rsp -verify
// RUN: %clang @%t/tu1.rsp
// RUN: cat %t/tu1-deps.db | sed 's:\\\\\?:/:g' | FileCheck %s -DPREFIX=%/t
// Check that D has the overlay, but E doesn't.
// CHECK: {
// CHECK-NEXT: "modules": [
// CHECK-NEXT: {
// CHECK-NEXT: "clang-module-deps": [
// CHECK-NEXT: {
// CHECK-NEXT: "context-hash": "{{.*}}",
// CHECK-NEXT: "module-name": "E"
// CHECK-NEXT: }
// CHECK-NEXT: ],
// CHECK-NEXT: "clang-modulemap-file": "[[PREFIX]]/modules/D/module.modulemap",
// CHECK-NEXT: "command-line": [
// CHECK: "-ivfsoverlay"
// CHECK-NEXT: "[[PREFIX]]/build/pch-overlay.yaml"
// CHECK: ],
// CHECK-NEXT: "context-hash": "{{.*}}",
// CHECK-NEXT: "file-deps": [
// CHECK-NEXT: "{{.*}}"
// CHECK-NEXT: "{{.*}}"
// CHECK-NEXT: "{{.*}}"
// CHECK-NEXT: "{{.*}}"
// CHECK-NEXT: ],
// CHECK: "name": "D"
// CHECK-NEXT: },
// CHECK-NEXT: {
// CHECK-NEXT: "clang-module-deps": [],
// CHECK-NEXT: "clang-modulemap-file": "[[PREFIX]]/modules/E/module.modulemap",
// CHECK-NEXT: "command-line": [
// CHECK-NOT: "-ivfsoverlay"
// CHECK: ],
// CHECK-NEXT: "context-hash": "{{.*}}",
// CHECK-NEXT: "file-deps": [
// CHECK-NEXT: "{{.*}}"
// CHECK-NEXT: "{{.*}}"
// CHECK-NEXT: ],
// CHECK: "name": "E"
// CHECK-NEXT: }
//--- build/compile-commands-pch.json.in
[
{
"directory": "DIR",
"command": "clang -x objective-c-header DIR/pch.h -I DIR/modules/A -I DIR/modules/B -fmodules -fimplicit-module-maps -fmodules-cache-path=DIR/cache -o DIR/pch.h.pch -ivfsoverlay DIR/build/pch-overlay.yaml",
"file": "DIR/pch.h"
}
]
//--- build/compile-commands-tu.json.in
[
{
"directory": "DIR",
"command": "clang -fsyntax-only DIR/tu.m -I DIR/modules/A -I DIR/modules/B -I DIR/modules/C -fmodules -fimplicit-module-maps -fmodules-cache-path=DIR/cache -include DIR/pch.h -o DIR/tu.o -ivfsoverlay DIR/build/pch-overlay.yaml",
"file": "DIR/tu.m"
}
]
//--- build/compile-commands-tu-no-vfs-error.json.in
[
{
"directory": "DIR",
"command": "clang -Wpch-vfs-diff -Werror=pch-vfs-diff -fsyntax-only DIR/tu.m -I DIR/modules/A -I DIR/modules/B -I DIR/modules/C -fmodules -fimplicit-module-maps -fmodules-cache-path=DIR/cache -include DIR/pch.h -o DIR/tu.o",
"file": "DIR/tu.m"
}
]
//--- build/compile-commands-tu1.json.in
[
{
"directory": "DIR",
"command": "clang -fsyntax-only DIR/tu1.m -I DIR/modules/B -I DIR/modules/D -I DIR/modules/E -fmodules -fimplicit-module-maps -fmodules-cache-path=DIR/cache -include DIR/pch.h -o DIR/tu1.o -ivfsoverlay DIR/build/pch-overlay.yaml",
"file": "DIR/tu1.m"
}
]
//--- build/pch-overlay.yaml.in
{
"version":0,
"case-sensitive":"false",
"roots":[
{
"contents":[
{
"external-contents":"DIR/build/module.modulemap",
"name":"module.modulemap",
"type":"file"
},
{
"external-contents":"DIR/build/A.h",
"name":"A.h",
"type":"file"
}
],
"name":"DIR/modules/A",
"type":"directory"
}
]
}
//--- pch.h
#include <B.h>
//--- build/module.modulemap
module A {
umbrella header "A.h"
}
//--- build/A.h
typedef int A_t __attribute__((deprecated("yep, it's depr")));
//--- modules/B/module.modulemap
module B {
umbrella header "B.h"
export *
}
//--- modules/B/B.h
#include <A.h>
typedef int B_t;
//--- modules/C/module.modulemap
module C {
umbrella header "C.h"
}
//--- modules/C/C.h
#include <B.h>
typedef int C_t;
//--- tu.m
#include <C.h>
A_t a = 0;
B_t b = 0;
C_t c = 0;
//--- modules/D/module.modulemap
module D {
umbrella header "D.h"
export *
}
//--- modules/D/D.h
#include <B.h>
#include <E.h>
typedef A_t D_t; // expected-warning{{'A_t' is deprecated}}
// expected-note@*:* {{marked deprecated here}}
//--- modules/E/module.modulemap
module E {
umbrella header "E.h"
}
//--- modules/E/E.h
typedef int E_t;
//--- tu1.m
#include <D.h>
D_t d = 0;
E_t e = 0;
Codebase Browser
llvm