diff options
Diffstat (limited to 'src/cmd/cc/lex.c')
| -rw-r--r-- | src/cmd/cc/lex.c | 130 |
1 files changed, 89 insertions, 41 deletions
diff --git a/src/cmd/cc/lex.c b/src/cmd/cc/lex.c index 8aeb1a334..4fb0be9a4 100644 --- a/src/cmd/cc/lex.c +++ b/src/cmd/cc/lex.c @@ -86,10 +86,37 @@ pathchar(void) */ void +usage(void) +{ + print("usage: %cc [options] file.c...\n", thechar); + flagprint(1); + errorexit(); +} + +void +dospim(void) +{ + thechar = '0'; + thestring = "spim"; +} + +char **defs; +int ndef; + +void +dodef(char *p) +{ + if(ndef%8 == 0) + defs = allocn(defs, ndef*sizeof(char *), + 8*sizeof(char *)); + defs[ndef++] = p; + dodefine(p); +} + +void main(int argc, char *argv[]) { - char **defs, *p; - int c, ndef; + int c; ensuresymb(NSYMB); memset(debug, 0, sizeof(debug)); @@ -97,52 +124,67 @@ main(int argc, char *argv[]) cinit(); ginit(); arginit(); + + fmtstrinit(&pragcgobuf); + quotefmtinstall(); tufield = simplet((1L<<tfield->etype) | BUNSIGNED); ndef = 0; defs = nil; outfile = 0; setinclude("."); - ARGBEGIN { - default: - c = ARGC(); - if(c >= 0 && c < sizeof(debug)) - debug[c]++; - break; - - case 'l': /* for little-endian mips */ - if(thechar != 'v'){ - print("can only use -l with vc\n"); - errorexit(); - } - thechar = '0'; - thestring = "spim"; - break; - - case 'o': - outfile = ARGF(); - break; - case 'D': - p = ARGF(); - if(p) { - if(ndef%8 == 0) - defs = allocn(defs, ndef*sizeof(char *), - 8*sizeof(char *)); - defs[ndef++] = p; - dodefine(p); - } - break; + flagcount("+", "pass -+ to preprocessor", &debug['+']); + flagcount(".", "pass -. to preprocessor", &debug['.']); + flagcount("<", "debug shift", &debug['<']); + flagcount("A", "debug alignment", &debug['A']); + flagcount("B", "allow pre-ANSI code", &debug['B']); + if(thechar == '5') + flagcount("C", "debug constant propagation", &debug['C']); + flagfn1("D", "name[=value]: add #define", dodef); + flagcount("F", "enable print format checks", &debug['F']); + if(thechar == '5') + flagcount("H", "debug shift propagation", &debug['H']); + flagfn1("I", "dir: add dir to include path", setinclude); + flagcount("L", "debug lexer", &debug['L']); + flagcount("M", "debug move generation", &debug['M']); + flagcount("N", "disable optimizations", &debug['N']); + flagcount("P", "debug peephole optimizer", &debug['P']); + flagcount("Q", "print exported Go definitions", &debug['Q']); + flagcount("R", "debug register optimizer", &debug['R']); + flagcount("S", "print assembly", &debug['S']); + flagcount("T", "enable type signatures", &debug['T']); + flagcount("V", "enable pointer type checks", &debug['V']); + flagcount("W", "debug switch generation", &debug['W']); + flagcount("X", "abort on error", &debug['X']); + flagcount("Y", "debug index generation", &debug['Y']); + flagcount("Z", "skip code generation", &debug['Z']); + flagcount("a", "print acid definitions", &debug['a']); + flagcount("c", "debug constant evaluation", &debug['c']); + flagcount("d", "debug declarations", &debug['d']); + flagcount("e", "debug macro expansion", &debug['e']); + flagcount("f", "debug pragmas", &debug['f']); + flagcount("g", "debug code generation", &debug['g']); + flagcount("i", "debug initialization", &debug['i']); + if(thechar == 'v') + flagfn0("l", "little-endian mips mode", dospim); + flagcount("m", "debug multiplication", &debug['m']); + flagcount("n", "print acid/Go to file, not stdout", &debug['n']); + flagstr("o", "file: set output file", &outfile); + flagcount("p", "invoke C preprocessor", &debug['p']); + flagcount("q", "print Go definitions", &debug['q']); + flagcount("s", "print #define assembly offsets", &debug['s']); + flagcount("t", "debug code generation", &debug['t']); + flagcount("w", "enable warnings", &debug['w']); + flagcount("v", "increase debug verbosity", &debug['v']); + if(thechar == '6') + flagcount("largemodel", "generate code that assumes a large memory model", &flag_largemodel); + + flagparse(&argc, &argv, usage); + + if(argc < 1 && outfile == 0) + usage(); - case 'I': - p = ARGF(); - setinclude(p); - break; - } ARGEND - if(argc < 1 && outfile == 0) { - print("usage: %cc [-options] files\n", thechar); - errorexit(); - } if(argc > 1){ print("can't compile multiple files\n"); errorexit(); @@ -377,11 +419,16 @@ lookup(void) symb[1] = '"'; } - // turn · into . for(r=w=symb; *r; r++) { + // turn · (U+00B7) into . + // turn ∕ (U+2215) into / if((uchar)*r == 0xc2 && (uchar)*(r+1) == 0xb7) { *w++ = '.'; r++; + }else if((uchar)*r == 0xe2 && (uchar)*(r+1) == 0x88 && (uchar)*(r+2) == 0x95) { + *w++ = '/'; + r++; + r++; }else *w++ = *r; } @@ -1174,6 +1221,7 @@ struct "inline", LINLINE, 0, "int", LINT, TINT, "long", LLONG, TLONG, + "PREFETCH", LPREFETCH, 0, "register", LREGISTER, 0, "restrict", LRESTRICT, 0, "return", LRETURN, 0, |