forked from OSchip/llvm-project
99 lines
3.4 KiB
C
99 lines
3.4 KiB
C
// 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}}
|
|
|
|
|
|
// 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}}
|
|
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'}}
|
|
|
|
|