/* warn_3.c */ /* { dg-do preprocess } */ /* { dg-options "-ansi -pedantic -Wall" } */ /* { dg-excess-errors "" } */ /* * The following texts are legal but non-portable ones, since these requires * translation limits greater than the minima quaranteed by C90. Good * preprocessor will warn at these texts (at least when user wants), unless * it diagnose these as errors. */ /* w.3.1: Number of parameters in macro: more than 31. */ #define glue63( \ a0, b0, c0, d0, e0, f0, g0, h0, i0, j0, k0, l0, m0, n0, o0, p0, \ a1, b1, c1, d1, e1, f1, g1, h1, i1, j1, k1, l1, m1, n1, o1, p1, \ a2, b2, c2, d2, e2, f2, g2, h2, i2, j2, k2, l2, m2, n2, o2, p2, \ a3, b3, c3, d3, e3, f3, g3, h3, i3, j3, k3, l3, m3, n3, o3) \ a0 ## b0 ## c0 ## d0 ## e0 ## f0 ## g0 ## h0 ## \ o0 ## o1 ## o2 ## o3 ## p0 ## p1 ## p2 /* w.3.2: Number of arguments in macro call: more than 31. */ /* A0B0C0D0E0F0G0H0O0O1O2O3P0P1P2; */ glue63( A0, B0, C0, D0, E0, F0, G0, H0, I0, J0, K0, L0, M0, N0, O0, P0, A1, B1, C1, D1, E1, F1, G1, H1, I1, J1, K1, L1, M1, N1, O1, P1, A2, B2, C2, D2, E2, F2, G2, H2, I2, J2, K2, L2, M2, N2, O2, P2, A3, B3, C3, D3, E3, F3, G3, H3, I3, J3, K3, L3, M3, N3, O3); /* { dg-warning "More than 31 (parameters|arguments)" "" { target *-*-* } 0 } */ /* w.3.3: Initial significant characters in an identifier: more than 31. */ int A23456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef = 63; /* { dg-warning "Identifier longer than 31 characters" "" { target *-*-* } 34 } */ /* w.3.4: Nested conditional inclusion: more than 8 levels. */ #define X0F /* nest = 0x0f; */ #include "ifdef15.h" /* { dg-warning "More than 8 nesting of #if" "" { target *-*-* } 0 } */ /* w.3.5: Nested source file inclusion: more than 8 levels. */ #define X0F /* nest = 0x0f; */ #include "nest1.h" /* { dg-warning "More than 8 nesting of #include" "" { target *-*-* } 0 } */ /* w.3.6: Parenthesized expression: more than 32 levels. */ /* nest = 63; */ #if \ (0x00 + (0x01 - (0x02 + (0x03 - (0x04 + (0x05 - (0x06 + (0x07 - \ (0x08 + (0x09 - (0x0A + (0x0B - (0x0C + (0x0D - (0x0E + (0x0F - \ (0x10 + (0x11 - (0x12 + (0x13 - (0x14 + (0x15 - (0x16 + (0x17 - \ (0x18 + (0x19 - (0x1A + (0x1B - (0x1C + (0x1D - (0x1E + (0x1F - \ (0x20 + (0x21 - (0x22 + (0x23 - (0x24 + (0x25 - (0x26 + (0x27 - \ (0x28 + (0x29 - (0x2A + (0x2B - (0x2C + (0x2D - (0x2E + (0x2F - \ (0x30 + (0x31 - (0x32 + (0x33 - (0x34 + (0x35 - (0x36 + (0x37 - \ (0x38 + (0x39 - (0x3A + (0x3B - (0x3C + (0x3D - 0x3E) \ ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) \ == -1 nest = 63; #endif /* { dg-warning "More than 32 nesting of parens" "" { target *-*-* } 0 } */ /* w.3.7: Characters in a string (after concatenation): more than 509. */ char *string1023 = "123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\ 1123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\ 2123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\ 3123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\ 4123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\ 5123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\ 6123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\ 7123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\ 8123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\ 9123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\ a123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\ b123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\ c123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\ d123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\ e123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\ f123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" ; /* { dg-warning "string length `\[0-9\]*' is greater than the length `509'| Quotation longer than 509 bytes" "" { target *-*-* } 0 } */ /* w.3.8: Characters in a logical source line: more than 509. */ int a123456789012345678901234567890 = 123450; \ int b123456789012345678901234567890 = 123451; \ int c123456789012345678901234567890 = 123452; \ int d123456789012345678901234567890 = 123453; \ int e123456789012345678901234567890 = 123454; \ int f123456789012345678901234567890 = 123455; \ int g123456789012345678901234567890 = 123456; \ int h123456789012345678901234567890 = 123457; \ int i123456789012345678901234567890 = 123458; \ int j123456789012345678901234567890 = 123459; \ int k123456789012345678901234567890 = 123460; \ int l123456789012345678901234567890 = 123461; \ int m123456789012345678901234567890 = 123462; \ int n123456789012345678901234567890 = 123463; \ int o123456789012345678901234567890 = 123464; \ int p123456789012345678901234567890 = 123465; \ int q123456789012345678901234567890 = 123466; \ int r123456789012345678901234567890 = 123467; \ int s123456789012345678901234567890 = 123468; \ int t1234567890123456 = 123469; /* { dg-warning "Logical source line longer than 509 bytes" "" { target *-*-* } 0 } */ /* w.3.9: Macro definitions: more than 1024 (including predefined ones). */ #define X0400 #include "m4095.h" /* 0x0400; */ BNJ; /* { dg-warning "More than 1024 macros defined" "" { target *-*-* } 0 } */