gcc/testsuite/c-c++-common/raw-string-3.c

// If not c++0x/gnu99, the {,u,u8,U,L}R prefix should be parsed as separate
// token.
// { dg-do compile }
// { dg-options "-std=gnu89" { target c } }
// { dg-options "-std=c++98" { target c++ } }

const void	*s0	= R"(a)";	// { dg-error "was not declared|undeclared" "undeclared" }
                // { dg-error "expected ',' or ';'" "expected" { target c } .-1 }
const void	*s1	= uR"(a)";	// { dg-error "was not declared|undeclared" "undeclared" }
                // { dg-error "expected ',' or ';'" "expected" { target c } .-1 }
const void	*s2	= UR"(a)";	// { dg-error "was not declared|undeclared" "undeclared" }
                // { dg-error "expected ',' or ';'" "expected" { target c } .-1 }
const void	*s3	= u8R"(a)";	// { dg-error "was not declared|undeclared" "undeclared" }
                // { dg-error "expected ',' or ';'" "expected" { target c } .-1 }
const void	*s4	= LR"(a)";	// { dg-error "was not declared|undeclared" "undeclared" }
                // { dg-error "expected ',' or ';'" "expected" { target c } .-1 }

const int	i0	= R'a';		// { dg-error "was not declared" "undeclared" { target c++ } }
                // { dg-error "expected ',' or ';'" "expected" { target c } .-1 }
const int	i1	= uR'a';	// { dg-error "was not declared" "undeclared" { target c++ } }
                // { dg-error "expected ',' or ';'" "expected" { target c } .-1 }
const int	i2	= UR'a';	// { dg-error "was not declared" "undeclared" { target c++ } }
                // { dg-error "expected ',' or ';'" "expected" { target c } .-1 }
const int	i3	= u8R'a';	// { dg-error "was not declared" "undeclared" { target c++ } }
                // { dg-error "expected ',' or ';'" "expected" { target c } .-1 }
const int	i4	= LR'a';	// { dg-error "was not declared" "undeclared" { target c++ } }
                // { dg-error "expected ',' or ';'" "expected" { target c } .-1 }

#define R	"a"
#define uR	"b"
#define UR	"c"
#define u8R	"d"
#define LR	"e"

const void	*s5	= R"(a)";
const void	*s6	= uR"(a)";
const void	*s7	= UR"(a)";
const void	*s8	= u8R"(a)";
const void	*s9	= LR"(a)";

#undef R
#undef uR
#undef UR
#undef u8R
#undef LR

#define R	1 +
#define uR	2 +
#define UR	3 +
#define u8R	4 +
#define LR	5 +

const int	i5	= R'a';
const int	i6	= uR'a';
const int	i7	= UR'a';
const int	i8	= u8R'a';
const int	i9	= LR'a';

int main () {}