122 lines · cpp
1// Checks that driver-generated options for C++ module inputs preserve the2// canonical module build commands compared to an equivalent non-module input,3// and that they do not produce additional internal scanning PCMs.4 5// RUN: rm -rf %t6// RUN: split-file %s %t7 8//--- main.cpp9#include "root.h"10import A;11import B;12 13auto main() -> int { return 1; }14 15//--- A.cppm16module;17#include "root.h"18export module A;19 20//--- B.cppm21module;22#include "root.h"23export module B;24 25//--- module.modulemap26module root { header "root.h" }27 28//--- root.h29// empty30 31// RUN: %clang -std=c++23 -fmodules \32// RUN: -fmodules-cache-path=%t/modules-cache \33// RUN: %t/main.cpp %t/A.cppm %t/B.cppm \34// RUN: -fsyntax-only -fdriver-only -MJ %t/deps.json35//36// RUN: sed -e '1s/^/[/' -e '$s/,$/]/' -e 's:\\\\\?:/:g' %t/deps.json \37// RUN: > %t/compile_commands.json38//39// RUN: clang-scan-deps \40// RUN: -compilation-database=%t/compile_commands.json \41// RUN: -format experimental-full \42// RUN: | sed 's:\\\\\?:/:g' | FileCheck %s -DPREFIX=%/t43 44// CHECK: {45// CHECK-NEXT: "modules": [46// CHECK-NEXT: {47// CHECK-NEXT: "clang-module-deps": [],48// CHECK-NEXT: "clang-modulemap-file": "[[PREFIX]]/module.modulemap",49// CHECK: "context-hash": "[[HASH_ROOT:.*]]",50// CHECK-NEXT: "file-deps": [51// CHECK-NEXT: "[[PREFIX]]/module.modulemap",52// CHECK-NEXT: "[[PREFIX]]/root.h"53// CHECK-NEXT: ],54// CHECK-NEXT: "link-libraries": [],55// CHECK-NEXT: "name": "root"56// CHECK-NEXT: }57// CHECK-NEXT: ],58// CHECK-NEXT: "translation-units": [59// CHECK-NEXT: {60// CHECK-NEXT: "commands": [61// CHECK-NEXT: {62// CHECK-NEXT: "clang-context-hash": "{{.*}}",63// CHECK-NEXT: "named-module-deps": [64// CHECK-NEXT: "A",65// CHECK-NEXT: "B"66// CHECK-NEXT: ],67// CHECK-NEXT: "clang-module-deps": [68// CHECK-NEXT: {69// CHECK-NEXT: "context-hash": "[[HASH_ROOT]]",70// CHECK-NEXT: "module-name": "root"71// CHECK-NEXT: }72// CHECK-NEXT: ],73// CHECK: "file-deps": [74// CHECK-NEXT: "[[PREFIX]]/main.cpp"75// CHECK-NEXT: ],76// CHECK-NEXT: "input-file": "[[PREFIX]]/main.cpp"77// CHECK-NEXT: }78// CHECK-NEXT: ]79// CHECK-NEXT: },80// CHECK-NEXT: {81// CHECK-NEXT: "commands": [82// CHECK-NEXT: {83// CHECK-NEXT: "clang-context-hash": "{{.*}}",84// CHECK-NEXT: "named-module": "A",85// CHECK-NEXT: "clang-module-deps": [86// CHECK-NEXT: {87// CHECK-NEXT: "context-hash": "[[HASH_ROOT]]",88// CHECK-NEXT: "module-name": "root"89// CHECK-NEXT: }90// CHECK-NEXT: ],91// CHECK: "file-deps": [92// CHECK-NEXT: "[[PREFIX]]/A.cppm"93// CHECK-NEXT: ],94// CHECK-NEXT: "input-file": "[[PREFIX]]/A.cppm"95// CHECK-NEXT: }96// CHECK-NEXT: ]97// CHECK-NEXT: },98// CHECK-NEXT: {99// CHECK-NEXT: "commands": [100// CHECK-NEXT: {101// CHECK-NEXT: "clang-context-hash": "{{.*}}",102// CHECK-NEXT: "named-module": "B",103// CHECK-NEXT: "clang-module-deps": [104// CHECK-NEXT: {105// CHECK-NEXT: "context-hash": "[[HASH_ROOT]]",106// CHECK-NEXT: "module-name": "root"107// CHECK-NEXT: }108// CHECK-NEXT: ],109// CHECK: "file-deps": [110// CHECK-NEXT: "[[PREFIX]]/B.cppm"111// CHECK-NEXT: ],112// CHECK-NEXT: "input-file": "[[PREFIX]]/B.cppm"113// CHECK-NEXT: }114// CHECK-NEXT: ]115// CHECK-NEXT: }116// CHECK-NEXT: ]117// CHECK-NEXT: }118 119// This tests that the scanner doesn't produce multiple internal scanning PCMs120// for our single Clang module (root).121// RUN: find %t/modules-cache -name "*.pcm" | wc -l | grep 1122