File: //home/ubuntu/neovim/.deps/build/src/treesitter_c/test/corpus/declarations.txt
================================================================================
Struct declarations
================================================================================
struct s1;
struct s2 {
int x;
float y : 5;
};
struct s3 {
int x : 1, y : 2;
};
--------------------------------------------------------------------------------
(translation_unit
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(struct_specifier
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(field_declaration
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(field_declaration
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(struct_specifier
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================================================================================
Union declarations
================================================================================
union u1;
union s2 {
int x;
float y;
};
--------------------------------------------------------------------------------
(translation_unit
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================================================================================
Enum declarations
================================================================================
enum e1;
enum e2 {
val1,
val2 = 5,
val3
};
enum e3 {
val1,
};
enum e4: int {
#ifdef A
val1 = 'hey',
#else
val1 = 'ho',
#endif
#if HEY
val2 = 'hey',
#else
val2 = 'ho',
#endif
};
--------------------------------------------------------------------------------
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(character)))
alternative: (preproc_else
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value: (char_literal
(character)
(character))))))))
================================================================================
Struct declarations containing preprocessor directives
================================================================================
struct s {
#define A 5
int b[a];
#undef A
};
--------------------------------------------------------------------------------
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(preproc_call
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================================================================================
Primitive-typed variable declarations
================================================================================
unsigned short int a;
long int b, c = 5, d;
float d, e;
unsigned f;
short g, h;
int unsigned short i;
unsigned int long j;
--------------------------------------------------------------------------------
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(declaration
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declarator: (identifier))
(declaration
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(declaration
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(declaration
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declarator: (identifier)
declarator: (identifier))
(declaration
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declarator: (identifier))
(declaration
type: (sized_type_specifier
type: (primitive_type))
declarator: (identifier)))
================================================================================
Variable storage classes
================================================================================
int a;
extern int b, c;
auto int d;
register int e;
static int f;
register uint64_t rd_ asm("x" "10");
--------------------------------------------------------------------------------
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================================================================================
Composite-typed variable declarations
================================================================================
struct b c;
union { int e; } f;
enum { g, h } i;
--------------------------------------------------------------------------------
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================================================================================
Pointer variable declarations
================================================================================
char *the_string;
const char **the_strings;
int const * const restrict x;
--------------------------------------------------------------------------------
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================================================================================
Typedefs
================================================================================
typedef int my_int;
typedef struct {
int x;
} *a;
typedef void my_callback(void *, size_t);
typedef struct A {
int i;
} a, b;
typedef void const *voidpc;
typedef void volatile *voidpv;
typedef void const volatile *const voidpcv;
typedef unsigned long int;
typedef unsigned short ptrdiff_t;
typedef short charptr_t;
typedef unsigned nullptr_t;
typedef signed max_align_t;
typedef unsigned long ulong_t;
typedef long long_t;
typedef unsigned short ushort_t;
typedef short short_t;
typedef unsigned unsigned_t;
typedef signed signed_t;
typedef long long;
typedef short short;
typedef unsigned int uint;
typedef unsigned short ushort;
typedef unsigned unsigned short;
typedef signed signed short;
typedef signed signed unsigned;
typedef unsigned long int long ull;
typedef int register_t __attribute__((__mode__(__word__)));
__extension__ typedef long int greg_t;
__extension__ typedef struct {
long long int quot;
long long int rem;
} lldiv_t;
--------------------------------------------------------------------------------
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(type_definition
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declarator: (type_identifier))
(type_definition
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(type_definition
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(type_definition
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(type_definition
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declarator: (type_identifier))
(type_definition
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declarator: (primitive_type))
(type_definition
type: (sized_type_specifier)
declarator: (primitive_type))
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type: (primitive_type))
declarator: (type_identifier))
(type_definition
type: (primitive_type)
declarator: (type_identifier)
(attribute_specifier
(argument_list
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function: (identifier)
arguments: (argument_list
(identifier))))))
(type_definition
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type: (primitive_type))
declarator: (type_identifier))
(type_definition
type: (struct_specifier
body: (field_declaration_list
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type: (primitive_type))
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type: (primitive_type))
declarator: (field_identifier))))
declarator: (type_identifier)))
================================================================================
Function declarations
================================================================================
int main(int argc, const char **argv);
static foo bar();
static baz quux(...);
--------------------------------------------------------------------------------
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================================================================================
Function definitions
================================================================================
void * do_stuff(int arg1) {
return 5;
}
// K&R style
int foo(bar, baz, qux)
int bar, baz;
char *qux;
{
}
--------------------------------------------------------------------------------
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================================================================================
Function specifiers after types
================================================================================
int static inline do_stuff(int arg1) {
return 5;
}
--------------------------------------------------------------------------------
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================================================================================
Function definitions with macro attributes
================================================================================
void * do_stuff(int arg1)
SOME_ATTR
SOME_ATTR(1)
{
return 5;
}
--------------------------------------------------------------------------------
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================================================================================
Linkage specifications
================================================================================
extern "C" int foo();
extern "C" int foo() { return 0; }
extern "C" {
int bar();
int baz();
}
--------------------------------------------------------------------------------
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================================================================================
Type qualifiers
================================================================================
const _Atomic unsigned long int x = 5;
restrict int y = 6;
volatile int z = 7;
constexpr int a = 8;
__thread int c = 9;
noreturn void b() {}
__extension__ extern int ffsll (long long int __ll)
__attribute__ ((__nothrow__ )) __attribute__ ((__const__));
--------------------------------------------------------------------------------
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================================================================================
Local array declarations
================================================================================
int main() {
char the_buffer[the_size];
char the_other_buffer[*];
}
--------------------------------------------------------------------------------
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================================================================================
Attributes
================================================================================
extern __attribute__((visibility("hidden"))) int foo();
extern int bar() __attribute__((const));
void die(const char *format, ...) __attribute__((noreturn))
__attribute__((format(printf,1,2)));
extern __attribute__((visibility("default"), weak)) int print_status();
extern int strerror_r(int __errnum, char *__buf,
int __buflen) __asm__(""
"__xpg_strerror_r")
__attribute__((__nothrow__)) __attribute__((__nonnull__(2)));
extern int _IO_vfprintf (_IO_FILE *__restrict, const char *__restrict,
__gnuc_va_list);
int f([[a::b(c), d]] int x) {}
[[gnu::always_inline]] [[gnu::hot]] [[gnu::const]] [[nodiscard]]
int g(void);
[[gnu::always_inline, gnu::hot, gnu::const, nodiscard]]
int g(void);
int i [[maybe_unused]];
void f[[gnu::always_inline]]();
[[nodiscard("reason")]] int foo;
[[fallthrough]];
struct S {
int a [[deprecated]];
};
typedef int MyInt [[deprecated]];
struct X {
int a __attribute__((aligned(4)));
} __attribute__((aligned(16)));
union Y {
int a __attribute__((aligned(4)));
} __attribute__((aligned(16)));
enum Z {
A
} __attribute__((aligned(16)));
struct __attribute__((__packed__)) foo_t {
int x;
};
--------------------------------------------------------------------------------
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(enum_specifier
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================================================================================
More Assembly
================================================================================
int main() {
int var;
__asm__(
"nop;"
: [var] "=r"(var)
:
: "eax", "ra" "x"
);
}
--------------------------------------------------------------------------------
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