| // RUN: clang -fsyntax-only -verify -pedantic %s && |
| // RUN: clang -E %s 2>&1 | grep 'blonk.c:92:2: error: #error ABC' && |
| // RUN: clang -E %s 2>&1 | grep 'blonk.c:93:2: error: #error DEF' |
| |
| #line 'a' // expected-error {{#line directive requires a positive integer argument}} |
| #line 0 // expected-error {{#line directive requires a positive integer argument}} |
| #line 2147483648 // expected-warning {{C requires #line number to be less than 2147483648, allowed as extension}} |
| #line 42 // ok |
| #line 42 'a' // expected-error {{invalid filename for #line directive}} |
| #line 42 "foo/bar/baz.h" // ok |
| |
| |
| // #line directives expand macros. |
| #define A 42 "foo" |
| #line A |
| |
| # 42 |
| # 42 "foo" |
| # 42 "foo" 2 // expected-error {{invalid line marker flag '2': cannot pop empty include stack}} |
| # 42 "foo" 1 3 // enter |
| # 42 "foo" 2 3 // exit |
| # 42 "foo" 2 3 4 // expected-error {{invalid line marker flag '2': cannot pop empty include stack}} |
| # 42 "foo" 3 4 |
| |
| # 'a' // expected-error {{invalid preprocessing directive}} |
| # 42 'f' // expected-error {{invalid filename for line marker directive}} |
| # 42 1 3 // expected-error {{invalid filename for line marker directive}} |
| # 42 "foo" 3 1 // expected-error {{invalid flag line marker directive}} |
| # 42 "foo" 42 // expected-error {{invalid flag line marker directive}} |
| # 42 "foo" 1 2 // expected-error {{invalid flag line marker directive}} |
| |
| |
| // These are checked by the RUN line. |
| #line 92 "blonk.c" |
| #error ABC // expected-error {{#error ABC}} |
| #error DEF // expected-error {{#error DEF}} |
| |
| |
| // Verify that linemarker diddling of the system header flag works. |
| |
| # 192 "glomp.h" // not a system header. |
| typedef int x; // expected-note {{previous definition is here}} |
| typedef int x; // expected-error {{redefinition of 'x'}} |
| |
| # 192 "glomp.h" 3 // System header. |
| typedef int y; // ok |
| typedef int y; // ok |
| |
| #line 42 "blonk.h" // doesn't change system headerness. |
| |
| typedef int z; // ok |
| typedef int z; // ok |
| |
| # 97 // doesn't change system headerness. |
| |
| typedef int z1; // ok |
| typedef int z1; // ok |
| |
| # 42 "blonk.h" // DOES change system headerness. |
| |
| typedef int w; // expected-note {{previous definition is here}} |
| typedef int w; // expected-error {{redefinition of 'w'}} |