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// RUN: %clang_cc1 -x c -Wstring-concatenation -fsyntax-only -verify %s
// RUN: %clang_cc1 -x c++ -Wstring-concatenation -fsyntax-only -verify %s
const char *missing_comma[] = {
"basic_filebuf",
"basic_ios",
"future",
"optional",
"packaged_task" // expected-note{{place parentheses around the string literal to silence warning}}
"promise", // expected-warning{{suspicious concatenation of string literals in an array initialization; did you mean to separate the elements with a comma?}}
"shared_future"
};
#ifndef __cplusplus
typedef __WCHAR_TYPE__ wchar_t;
#endif
const wchar_t *missing_comma_wchar[] = {
L"basic_filebuf",
L"packaged_task" // expected-note{{place parentheses around the string literal to silence warning}}
L"promise", // expected-warning{{suspicious concatenation of string literals in an array initialization; did you mean to separate the elements with a comma?}}
L"shared_future"
};
#if __cplusplus >= 201103L
const char *missing_comma_u8[] = {
u8"basic_filebuf",
u8"packaged_task" // expected-note{{place parentheses around the string literal to silence warning}}
u8"promise", // expected-warning{{suspicious concatenation of string literals in an array initialization; did you mean to separate the elements with a comma?}}
u8"shared_future"
};
#endif
const char *missing_comma_same_line[] = {"basic_filebuf", "basic_ios",
"future" "optional", // expected-note{{place parentheses around the string literal to silence warning}}
"packaged_task", "promise"}; // expected-warning@-1{{suspicious concatenation of string literals in an array initialization; did you mean to separate the elements with a comma?}}
const char *missing_comma_different_lines[] = {"basic_filebuf", "basic_ios" // expected-note{{place parentheses around the string literal to silence warning}}
"future", "optional", // expected-warning{{suspicious concatenation of string literals in an array initialization; did you mean to separate the elements with a comma?}}
"packaged_task", "promise"};
const char *missing_comma_same_line_all_literals[] = {"basic_filebuf", "future" "optional", "packaged_task"}; // expected-note{{place parentheses around the string literal to silence warning}}
// expected-warning@-1{{suspicious concatenation of string literals in an array initialization; did you mean to separate the elements with a comma?}}
char missing_comma_inner[][5] = {
"a",
"b",
"c" // expected-note{{place parentheses around the string literal to silence warning}}
"d" // expected-warning{{suspicious concatenation of string literals in an array initialization; did you mean to separate the elements with a comma?}}
};
const char *warn[] = { "cpll", "gpll", "hdmiphy" "usb480m" }; // expected-note{{place parentheses around the string literal to silence warning}}
// expected-warning@-1{{suspicious concatenation of string literals in an array initialization; did you mean to separate the elements with a comma?}}
const char *missing_two_commas_ignore[] = {"basic_filebuf",
"basic_ios"
"future"
"optional",
"packaged_task"};
#define ONE(x) x
#define TWO "foo"
const char *macro_test[] = { ONE("foo"),
TWO,
"foo" TWO // expected-note{{place parentheses around the string literal to silence warning}}
}; // expected-warning@-1{{suspicious concatenation of string literals in an array initialization; did you mean to separate the elements with a comma?}}
// Do not warn for macros.
#define BASIC_IOS "basic_ios"
#define FUTURE "future"
const char *macro_test2[] = {"basic_filebuf", BASIC_IOS
FUTURE, "optional",
"packaged_task", "promise"};
#define FOO(xx) xx "_normal", \
xx "_movable",
const char *macro_test3[] = {"basic_filebuf",
"basic_ios",
FOO("future")
"optional",
"packaged_task"};
#define BAR(name) #name "_normal"
const char *macro_test4[] = {"basic_filebuf",
"basic_ios",
BAR(future),
"optional",
"packaged_task"};
#define SUPPRESS(x) x
const char *macro_test5[] = { SUPPRESS("foo" "bar"), "baz" };
typedef struct {
int i;
const char s[11];
} S;
S s = {1, "hello" "world"};
const char *not_warn[] = {
"hello"
"world", "test"
};
const char *not_warn2[] = {
"// Aaa\\\n" " Bbb\\ \n" " Ccc?" "?/\n",
"// Aaa\\\r\n" " Bbb\\ \r\n" " Ccc?" "?/\r\n",
"// Aaa\\\r" " Bbb\\ \r" " Ccc?" "?/\r"
};
const char *not_warn3[] = {
"// \\tparam aaa Bbb\n",
"// \\tparam\n"
"// aaa Bbb\n",
"// \\tparam \n"
"// aaa Bbb\n",
"// \\tparam aaa\n"
"// Bbb\n"
};
const char *not_warn4[] = {"title",
"aaaa "
"bbbb "
"cccc "
"ddd.",
"url"
};
typedef struct {
const char *a;
const char *b;
const char *c;
} A;
const A not_warn5 = (A){"",
""
"",
""};
#ifdef __cplusplus
const A not_warn6 = A{"",
""
"",
""};
#endif
static A not_warn7 = {"",
""
"",
""};
// Do not warn when all the elements in the initializer are concatenated together.
const char *all_elems_in_init_concatenated[] = {"a" "b" "c"};
// Warning can be supressed also by extra parentheses.
const char *extra_parens_to_suppress_warning[] = {
"basic_filebuf",
"basic_ios",
"future",
"optional",
("packaged_task"
"promise"),
"shared_future"
};
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