llvm-for-llvmta/tools/clang/test/Parser/declarators.c

155 lines
4.2 KiB
C

// RUN: %clang_cc1 %s -fsyntax-only -verify -pedantic
extern int a1[];
void f0();
void f1(int [*]);
void f2(int [const *]);
void f3(int [volatile const*]);
int f4(*XX)(void); /* expected-error {{cannot return}} expected-warning {{type specifier missing, defaults to 'int'}} */
int f5(int [static]); /* expected-error {{'static' may not be used without an array size}} */
char ((((*X))));
void (*signal(int, void (*)(int)))(int);
int aaaa, ***C, * const D, B(int);
int *A;
struct str;
void test2(int *P, int A) {
struct str;
// Hard case for array decl, not Array[*].
int Array[*(int*)P+A];
}
typedef int atype;
void test3(x,
atype /* expected-error {{unexpected type name 'atype': expected identifier}} */
) int x, atype; {}
void test4(x, x) int x; {} /* expected-error {{redefinition of parameter 'x'}} */
// PR3031
int (test5), ; // expected-error {{expected identifier or '('}}
// PR3963 & rdar://6759604 - test error recovery for mistyped "typenames".
foo_t *d; // expected-error {{unknown type name 'foo_t'}}
foo_t a; // expected-error {{unknown type name 'foo_t'}}
int test6() { return a; } // a should be declared.
// Use of tagged type without tag. rdar://6783347
struct xyz { int y; };
enum myenum { ASDFAS };
xyz b; // expected-error {{must use 'struct' tag to refer to type 'xyz'}}
myenum c; // expected-error {{must use 'enum' tag to refer to type 'myenum'}}
float *test7() {
// We should recover 'b' by parsing it with a valid type of "struct xyz", which
// allows us to diagnose other bad things done with y, such as this.
return &b.y; // expected-warning {{incompatible pointer types returning 'int *' from a function with result type 'float *'}}
}
struct xyz test8() { return a; } // a should be be marked invalid, no diag.
// Verify that implicit int still works.
static f; // expected-warning {{type specifier missing, defaults to 'int'}}
static g = 4; // expected-warning {{type specifier missing, defaults to 'int'}}
static h // expected-warning {{type specifier missing, defaults to 'int'}}
__asm__("foo");
struct test9 {
int x // expected-error {{expected ';' at end of declaration list}}
int y;
int z // expected-warning {{expected ';' at end of declaration list}}
};
// PR6208
struct test10 { int a; } static test10x;
struct test11 { int a; } const test11x;
// PR6216
void test12() {
(void)__builtin_offsetof(struct { char c; int i; }, i);
}
// rdar://7608537
struct test13 { int a; } (test13x);
// <rdar://problem/8044088>
struct X<foo::int> { }; // expected-error{{expected identifier or '('}}
// PR7617 - error recovery on missing ;.
void test14() // expected-error {{expected ';' after top level declarator}}
void test14a();
void *test14b = (void*)test14a; // Make sure test14a didn't get skipped.
// rdar://problem/8358508
long struct X { int x; } test15(); // expected-error {{'long struct' is invalid}}
void test16(i) int i j; { } // expected-error {{expected ';' at end of declaration}}
void test17(i, j) int i, j k; { } // expected-error {{expected ';' at end of declaration}}
void knrNoSemi(i) int i { } // expected-error {{expected ';' at end of declaration}}
// PR12595
void test18() {
int x = 4+(5-12)); // expected-error {{extraneous ')' before ';'}}
}
enum E1 { e1 }: // expected-error {{expected ';'}}
struct EnumBitfield { // expected-warning {{struct without named members is a GNU extension}}
enum E2 { e2 } : 4; // ok
struct S { int n; }: // expected-error {{expected ';'}}
// expected-warning@-1 {{declaration does not declare anything}}
};
// PR10982
enum E11 {
A1 = 1,
};
enum E12 {
, // expected-error{{expected identifier}}
A2
};
void func_E12(enum E12 *p) { *p = A2; }
enum E13 {
1D, // expected-error{{expected identifier}}
A3
};
void func_E13(enum E13 *p) { *p = A3; }
enum E14 {
A4 12, // expected-error{{expected '= constant-expression' or end of enumerator definition}}
A4a
};
void func_E14(enum E14 *p) { *p = A4a; }
enum E15 {
A5=12 4, // expected-error{{expected '}' or ','}}
A5a
};
void func_E15(enum E15 *p) { *p = A5a; }
enum E16 {
A6; // expected-error{{expected '= constant-expression' or end of enumerator definition}}
A6a
};
int PR20634 = sizeof(struct { int n; } [5]);