| // RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s |
| // RUN: %clang_cc1 -E %s 2>&1 | grep 'blonk.c:92:2: error: ABC' |
| // RUN: %clang_cc1 -E %s 2>&1 | grep 'blonk.c:93:2: error: DEF' |
| |
| #line 'a' // expected-error {{#line directive requires a positive integer argument}} |
| #line 0 // expected-warning {{#line directive with zero argument is a GNU extension}} |
| #line 00 // expected-warning {{#line directive with zero argument is a GNU extension}} |
| #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}} |
| # 42a33 // expected-error {{GNU line marker directive requires a simple digit sequence}} |
| |
| // These are checked by the RUN line. |
| #line 92 "blonk.c" |
| #error ABC |
| #error DEF |
| // expected-error@-2 {{ABC}} |
| #line 150 |
| // expected-error@-3 {{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-warning {{redefinition of typedef 'x' is a C11 feature}} |
| |
| # 192 "glomp.h" 3 // System header. |
| typedef int y; // ok |
| typedef int y; // ok |
| |
| typedef int q; // q is in system header. |
| |
| #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-warning {{redefinition of typedef 'w' is a C11 feature}} |
| |
| typedef int q; // original definition in system header, should not diagnose. |
| |
| // This should not produce an "extra tokens at end of #line directive" warning, |
| // because #line is allowed to contain expanded tokens. |
| #define EMPTY() |
| #line 2 "foo.c" EMPTY( ) |
| #line 2 "foo.c" NONEMPTY( ) // expected-warning{{extra tokens at end of #line directive}} |
| |
| // PR3940 |
| #line 0xf // expected-error {{#line directive requires a simple digit sequence}} |
| #line 42U // expected-error {{#line directive requires a simple digit sequence}} |
| |
| |
| // Line markers are digit strings interpreted as decimal numbers, this is |
| // 10, not 8. |
| #line 010 // expected-warning {{#line directive interprets number as decimal, not octal}} |
| # 010 // expected-warning {{GNU line marker directive interprets number as decimal, not octal}} |
| extern int array[__LINE__ == 10 ? 1:-1]; |
| |
| /* PR3917 */ |
| #line 41 |
| extern char array2[\ |
| _\ |
| _LINE__ == 42 ? 1: -1]; /* line marker is location of first _ */ |
| |
| // rdar://11550996 |
| #line 0 "line-directive.c" // expected-warning {{#line directive with zero argument is a GNU extension}} |
| undefined t; // expected-error {{unknown type name 'undefined'}} |
| |
| |