llvm-project/clang/test/Modules/macros.c

165 lines
4.6 KiB
C

// RUN: rm -rf %t
// RUN: %clang_cc1 -fmodules -x objective-c -emit-module -fmodules-cache-path=%t -fmodule-name=macros_top %S/Inputs/module.map
// RUN: %clang_cc1 -fmodules -x objective-c -emit-module -fmodules-cache-path=%t -fmodule-name=macros_left %S/Inputs/module.map
// RUN: %clang_cc1 -fmodules -x objective-c -emit-module -fmodules-cache-path=%t -fmodule-name=macros_right %S/Inputs/module.map
// RUN: %clang_cc1 -fmodules -x objective-c -emit-module -fmodules-cache-path=%t -fmodule-name=macros %S/Inputs/module.map
// RUN: %clang_cc1 -fmodules -x objective-c -verify -fmodules-cache-path=%t -I %S/Inputs %s
// RUN: not %clang_cc1 -E -fmodules -x objective-c -fmodules-cache-path=%t -I %S/Inputs %s | FileCheck -check-prefix CHECK-PREPROCESSED %s
// FIXME: When we have a syntax for modules in C, use that.
// These notes come from headers in modules, and are bogus.
// FIXME: expected-note@Inputs/macros_left.h:11{{previous definition is here}}
// FIXME: expected-note@Inputs/macros_right.h:12{{previous definition is here}}
// expected-note@Inputs/macros_right.h:12{{expanding this definition of 'LEFT_RIGHT_DIFFERENT'}}
// expected-note@Inputs/macros_right.h:13{{expanding this definition of 'LEFT_RIGHT_DIFFERENT2'}}
// expected-note@Inputs/macros_left.h:14{{other definition of 'LEFT_RIGHT_DIFFERENT'}}
@import macros;
#ifndef INTEGER
# error INTEGER macro should be visible
#endif
#ifdef FLOAT
# error FLOAT macro should not be visible
#endif
#ifdef MODULE
# error MODULE macro should not be visible
#endif
// CHECK-PREPROCESSED: double d
double d;
DOUBLE *dp = &d;
#__public_macro WIBBLE // expected-error{{no macro named 'WIBBLE'}}
void f() {
// CHECK-PREPROCESSED: int i = INTEGER;
int i = INTEGER; // the value was exported, the macro was not.
i += macros; // expanded from __MODULE__ within the 'macros' module.
}
#ifdef __MODULE__
# error Not building a module!
#endif
#if __building_module(macros)
# error Not building a module
#endif
// None of the modules we depend on have been imported, and therefore
// their macros should not be visible.
#ifdef LEFT
# error LEFT should not be visible
#endif
#ifdef RIGHT
# error RIGHT should not be visible
#endif
#ifdef TOP
# error TOP should not be visible
#endif
// Import left module (which also imports top)
@import macros_left;
#ifndef LEFT
# error LEFT should be visible
#endif
#ifdef RIGHT
# error RIGHT should not be visible
#endif
#ifndef TOP
# error TOP should be visible
#endif
#ifdef TOP_LEFT_UNDEF
# error TOP_LEFT_UNDEF should not be defined
#endif
void test1() {
int i;
TOP_RIGHT_REDEF *ip = &i;
}
#define LEFT_RIGHT_DIFFERENT2 double // FIXME: expected-warning{{'LEFT_RIGHT_DIFFERENT2' macro redefined}} \
// expected-note{{other definition of 'LEFT_RIGHT_DIFFERENT2'}}
// Import right module (which also imports top)
@import macros_right;
#undef LEFT_RIGHT_DIFFERENT3
#ifndef LEFT
# error LEFT should be visible
#endif
#ifndef RIGHT
# error RIGHT should be visible
#endif
#ifndef TOP
# error TOP should be visible
#endif
void test2() {
int i;
float f;
double d;
TOP_RIGHT_REDEF *fp = &f; // ok, right's definition overrides top's definition
LEFT_RIGHT_IDENTICAL *ip = &i;
LEFT_RIGHT_DIFFERENT *ip2 = &i; // expected-warning{{ambiguous expansion of macro 'LEFT_RIGHT_DIFFERENT'}}
LEFT_RIGHT_DIFFERENT2 *ip3 = &i; // expected-warning{{ambiguous expansion of macro 'LEFT_RIGHT_DIFFERENT2}}
int LEFT_RIGHT_DIFFERENT3;
}
#define LEFT_RIGHT_DIFFERENT double // FIXME: expected-warning{{'LEFT_RIGHT_DIFFERENT' macro redefined}}
void test3() {
double d;
LEFT_RIGHT_DIFFERENT *dp = &d; // okay
int x = FN_ADD(1,2);
}
#ifndef TOP_RIGHT_UNDEF
# error TOP_RIGHT_UNDEF should still be defined
#endif
@import macros_right.undef;
// FIXME: When macros_right.undef is built, macros_top is visible because
// the state from building macros_right leaks through, so macros_right.undef
// undefines macros_top's macro.
#ifdef TOP_RIGHT_UNDEF
# error TOP_RIGHT_UNDEF should not be defined
#endif
@import macros_other;
#ifndef TOP_OTHER_UNDEF1
# error TOP_OTHER_UNDEF1 should still be defined
#endif
#ifndef TOP_OTHER_UNDEF2
# error TOP_OTHER_UNDEF2 should still be defined
#endif
#ifndef TOP_OTHER_REDEF1
# error TOP_OTHER_REDEF1 should still be defined
#endif
int n1 = TOP_OTHER_REDEF1; // expected-warning{{ambiguous expansion of macro 'TOP_OTHER_REDEF1'}}
// expected-note@macros_top.h:19 {{expanding this definition}}
// expected-note@macros_other.h:4 {{other definition}}
#ifndef TOP_OTHER_REDEF2
# error TOP_OTHER_REDEF2 should still be defined
#endif
int n2 = TOP_OTHER_REDEF2; // ok
int n3 = TOP_OTHER_DEF_RIGHT_UNDEF; // ok