tinycc/tests/pp/15.c

#define Y(x) Z(x)
#define X Y
X(1)
X(X(1))
X(X(X(X(X(1)))))

#define A B
#define B A
return A + B;

#undef A
#undef B

#define A B+1
#define B A
return A + B;

#define A1 B1+1
#define B1 C1+2
#define C1 A1+3
return A1 + B1;

#define i() x
#define n() 1
i()i()n()n()i()
i()+i()-n()+n()-
output space after TOK_PPNUM which followed by '+' or '-' * correct -E output for the case ++ + ++ concatenation do this only for expanded from macro string and only when tcc_state->output_type == TCC_OUTPUT_PREPROCESS 2016-05-01 10:43:57 +08:00			`#define Y(x) Z(x)`
			`#define X Y`
			`X(1)`
			`X(X(1))`
			`X(X(X(X(X(1)))))`

			`#define A B`
			`#define B A`
			`return A + B;`

			`#undef A`
			`#undef B`

			`#define A B+1`
			`#define B A`
			`return A + B;`

			`#define A1 B1+1`
			`#define B1 C1+2`
			`#define C1 A1+3`
			`return A1 + B1;`
Insert spaces between certain tokens when tcc is invoked with -E. Insert a space when it is required to prevent mistokenisation of the output, and also in a few cases where it is not strictly required, imitating GCC's behaviour. 2016-05-05 04:37:11 +08:00
			`#define i() x`
			`#define n() 1`
			`i()i()n()n()i()`
			`i()+i()-n()+n()-`