| // RUN: %clang_cc1 -ffreestanding -Eonly -verify %s |
| |
| // Try different path permutations of __has_include with existing file. |
| #if __has_include("stdint.h") |
| #else |
| #error "__has_include failed (1)." |
| #endif |
| |
| #if __has_include(<stdint.h>) |
| #else |
| #error "__has_include failed (2)." |
| #endif |
| |
| // Try unary expression. |
| #if !__has_include("stdint.h") |
| #error "__has_include failed (5)." |
| #endif |
| |
| // Try binary expression. |
| #if __has_include("stdint.h") && __has_include("stddef.h") |
| #else |
| #error "__has_include failed (6)." |
| #endif |
| |
| // Try non-existing file. |
| #if __has_include("blahblah.h") |
| #error "__has_include failed (7)." |
| #endif |
| |
| // Try defined. |
| #if !defined(__has_include) |
| #error "defined(__has_include) failed (8)." |
| #endif |
| |
| // Try different path permutations of __has_include_next with existing file. |
| #if __has_include_next("stddef.h") // expected-warning {{#include_next in primary source file}} |
| #else |
| #error "__has_include failed (1)." |
| #endif |
| |
| #if __has_include_next(<stddef.h>) // expected-warning {{#include_next in primary source file}} |
| #else |
| #error "__has_include failed (2)." |
| #endif |
| |
| // Try unary expression. |
| #if !__has_include_next("stdint.h") // expected-warning {{#include_next in primary source file}} |
| #error "__has_include_next failed (5)." |
| #endif |
| |
| // Try binary expression. |
| #if __has_include_next("stdint.h") && __has_include("stddef.h") // expected-warning {{#include_next in primary source file}} |
| #else |
| #error "__has_include_next failed (6)." |
| #endif |
| |
| // Try non-existing file. |
| #if __has_include_next("blahblah.h") // expected-warning {{#include_next in primary source file}} |
| #error "__has_include_next failed (7)." |
| #endif |
| |
| // Try defined. |
| #if !defined(__has_include_next) |
| #error "defined(__has_include_next) failed (8)." |
| #endif |
| |
| // Fun with macros |
| #define MACRO1 __has_include(<stdint.h>) |
| #define MACRO2 ("stdint.h") |
| #define MACRO3 ("blahblah.h") |
| #define MACRO4 blahblah.h>) |
| #define MACRO5 <stdint.h> |
| |
| #if !MACRO1 |
| #error "__has_include with macro failed (1)." |
| #endif |
| |
| #if !__has_include MACRO2 |
| #error "__has_include with macro failed (2)." |
| #endif |
| |
| #if __has_include MACRO3 |
| #error "__has_include with macro failed (3)." |
| #endif |
| |
| #if __has_include(<MACRO4 |
| #error "__has_include with macro failed (4)." |
| #endif |
| |
| #if !__has_include(MACRO5) |
| #error "__has_include with macro failed (2)." |
| #endif |
| |
| // Try as non-preprocessor directives |
| void foo( void ) { |
| __has_include_next("stdint.h") // expected-warning {{#include_next in primary source file}} expected-error {{__has_include_next must be used within a preprocessing directive}} |
| __has_include("stdint.h") // expected-error {{__has_include must be used within a preprocessing directive}} |
| } |
| |
| MACRO1 // expected-error {{__has_include must be used within a preprocessing directive}} |
| |
| #if 1 |
| MACRO1 // expected-error {{__has_include must be used within a preprocessing directive}} |
| #endif |
| |
| #if 0 |
| #elif 1 |
| MACRO1 // expected-error {{__has_include must be used within a preprocessing directive}} |
| #endif |
| |
| #if 0 |
| MACRO1 // This should be fine because it is never actually reached |
| #endif |
| |
| |
| // Try badly formed expressions. |
| // FIXME: We can recover better in almost all of these cases. (PR13335) |
| |
| // expected-error@+1 {{missing '(' after '__has_include'}} |
| #if __has_include "stdint.h") |
| #endif |
| |
| // expected-error@+1 {{expected "FILENAME" or <FILENAME>}} expected-error@+1 {{token is not a valid binary operator in a preprocessor subexpression}} |
| #if __has_include(stdint.h) |
| #endif |
| |
| // expected-error@+1 {{expected "FILENAME" or <FILENAME>}} |
| #if __has_include() |
| #endif |
| |
| // expected-error@+1 {{missing '(' after '__has_include'}} |
| #if __has_include) |
| #endif |
| |
| // expected-error@+1 {{missing '(' after '__has_include'}} |
| #if __has_include<stdint.h>) |
| #endif |
| |
| // expected-error@+1 {{expected "FILENAME" or <FILENAME>}} expected-warning@+1 {{missing terminating '"' character}} expected-error@+1 {{invalid token at start of a preprocessor expression}} |
| #if __has_include("stdint.h) |
| #endif |
| |
| // expected-error@+1 {{expected "FILENAME" or <FILENAME>}} expected-warning@+1 {{missing terminating '"' character}} expected-error@+1 {{token is not a valid binary operator in a preprocessor subexpression}} |
| #if __has_include(stdint.h") |
| #endif |
| |
| // expected-error@+1 {{expected "FILENAME" or <FILENAME>}} expected-error@+1 {{token is not a valid binary operator in a preprocessor subexpression}} |
| #if __has_include(stdint.h>) |
| #endif |
| |
| // expected-error@+1 {{__has_include must be used within a preprocessing directive}} |
| __has_include |
| |
| // expected-error@+1 {{missing ')' after '__has_include'}} // expected-error@+1 {{expected value in expression}} // expected-note@+1 {{to match this '('}} |
| #if __has_include("stdint.h" |
| #endif |
| |
| // expected-error@+1 {{expected "FILENAME" or <FILENAME>}} // expected-error@+1 {{expected value in expression}} |
| #if __has_include( |
| #endif |
| |
| // expected-error@+1 {{missing '(' after '__has_include'}} // expected-error@+1 {{expected value in expression}} |
| #if __has_include |
| #endif |
| |
| // expected-error@+1 {{missing '(' after '__has_include'}} |
| #if __has_include'x' |
| #endif |
| |
| // expected-error@+1 {{expected "FILENAME" or <FILENAME>}} |
| #if __has_include('x' |
| #endif |
| |
| // expected-error@+1 {{expected "FILENAME" or <FILENAME}} expected-error@+1 {{expected end of line in preprocessor expression}} |
| #if __has_include('x') |
| #endif |
| |
| // expected-error@+1 {{missing ')' after '__has_include'}} // expected-error@+1 {{expected value in expression}} // expected-note@+1 {{to match this '('}} |
| #if __has_include(<stdint.h> |
| #endif |
| |
| // expected-error@+1 {{expected "FILENAME" or <FILENAME>}} // expected-error@+1 {{expected value in expression}} |
| #if __has_include(<stdint.h) |
| #endif |
| |
| #define HAS_INCLUDE(header) __has_include(header) |
| #if HAS_INCLUDE(<stdint.h>) |
| #else |
| #error "__has_include failed (9)." |
| #endif |
| |
| #if FOO |
| #elif __has_include(<foo>) |
| #endif |
| |
| // PR15539 |
| #ifdef FOO |
| #elif __has_include(<foo>) |
| #endif |