101 lines · c
1// RUN: rm -rf %t2// RUN: split-file %s %t3// RUN: %clang_cc1 -fsyntax-only -I %t/include %t/test.c \4// RUN: -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/modules.cache5 6// Test when a decl is present in multiple modules through an inclusion of7// a non-modular header. Make sure such decl is serialized correctly and can be8// used after deserialization.9 10//--- include/non-modular.h11#ifndef NON_MODULAR_H12#define NON_MODULAR_H13 14union TestUnion {15 int x;16 float y;17};18 19struct ReferenceUnion1 {20 union TestUnion name;21 unsigned versionMajor;22};23struct ReferenceUnion2 {24 union TestUnion name;25 unsigned versionMinor;26};27 28// Test another kind of RecordDecl.29struct TestStruct {30 int p;31 float q;32};33 34struct ReferenceStruct1 {35 unsigned fieldA;36 struct TestStruct fieldB;37};38 39struct ReferenceStruct2 {40 unsigned field1;41 struct TestStruct field2;42};43 44#endif45 46//--- include/piecewise1-empty.h47//--- include/piecewise1-initially-hidden.h48#include <non-modular.h>49 50//--- include/piecewise2-empty.h51//--- include/piecewise2-initially-hidden.h52#include <non-modular.h>53 54//--- include/with-multiple-decls.h55#include <piecewise1-empty.h>56// Include the non-modular header and resolve a name duplication between decl57// in non-modular.h and in piecewise1-initially-hidden.h, create a58// redeclaration chain.59#include <non-modular.h>60// Include a decl with a duplicate name again to add more to IdentifierResolver.61#include <piecewise2-empty.h>62 63//--- include/module.modulemap64module Piecewise1 {65 module Empty {66 header "piecewise1-empty.h"67 }68 module InitiallyHidden {69 header "piecewise1-initially-hidden.h"70 export *71 }72}73 74module Piecewise2 {75 module Empty {76 header "piecewise2-empty.h"77 }78 module InitiallyHidden {79 header "piecewise2-initially-hidden.h"80 export *81 }82}83 84module WithMultipleDecls {85 header "with-multiple-decls.h"86 export *87}88 89//--- test.c90#include <with-multiple-decls.h>91 92struct Test {93 int x;94 union TestUnion name;95};96 97struct Test2 {98 struct TestStruct name;99 float y;100};101