| /* PR preprocessor/103026 */ |
| /* { dg-do compile } */ |
| /* { dg-options "-Wbidi-chars=unpaired,ucn -fdiagnostics-show-caret" } */ |
| /* Verify that we escape and underline pertinent bidirectional |
| control characters when quoting the source. */ |
| |
| int test_unpaired_bidi () { |
| int isAdmin = 0; |
| /* } if (isAdmin) begin admins only */ |
| /* { dg-warning "bidirectional" "" { target *-*-* } .-1 } */ |
| #if 0 |
| { dg-begin-multiline-output "" } |
| /*<U+202E> } <U+2066>if (isAdmin)<U+2069> <U+2066> begin admins only */ |
| ~~~~~~~~ ~~~~~~~~ ^ |
| | | | |
| | | end of bidirectional context |
| U+202E (RIGHT-TO-LEFT OVERRIDE) U+2066 (LEFT-TO-RIGHT ISOLATE) |
| { dg-end-multiline-output "" } |
| #endif |
| |
| __builtin_printf("You are an admin.\n"); |
| /* end admins only { */ |
| /* { dg-warning "bidirectional" "" { target *-*-* } .-1 } */ |
| #if 0 |
| { dg-begin-multiline-output "" } |
| /* end admins only <U+202E> { <U+2066>*/ |
| ~~~~~~~~ ~~~~~~~~ ^ |
| | | | |
| | | end of bidirectional context |
| | U+2066 (LEFT-TO-RIGHT ISOLATE) |
| U+202E (RIGHT-TO-LEFT OVERRIDE) |
| { dg-end-multiline-output "" } |
| #endif |
| |
| return 0; |
| } |
| |
| int LRE__PDF_\u202c; |
| /* { dg-warning "mismatch" "" { target *-*-* } .-1 } */ |
| #if 0 |
| { dg-begin-multiline-output "" } |
| int LRE_<U+202A>_PDF_\u202c; |
| ~~~~~~~~ ^~~~~~ |
| { dg-end-multiline-output "" } |
| #endif |
| |
| const char *s1 = "LRE__PDF_\u202c"; |
| /* { dg-warning "mismatch" "" { target *-*-* } .-1 } */ |
| #if 0 |
| { dg-begin-multiline-output "" } |
| const char *s1 = "LRE_<U+202A>_PDF_\u202c"; |
| ~~~~~~~~ ^~~~~~ |
| { dg-end-multiline-output "" } |
| #endif |
