plan9port

fork of plan9port with libvec, libstr and libsdb
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mangle.c (1007B)


      1 #include <u.h>
      2 #include <libc.h>
      3 #include <bio.h>
      4 #include <mach.h>
      5 
      6 static char *(*demanglers[])(char*, char*) =
      7 {
      8 	demanglegcc2,
      9 	demanglegcc3,
     10 };
     11 
     12 char*
     13 demangle(char *s, char *buf, int strip)
     14 {
     15 	char *t;
     16 	char *r, *w;
     17 	int i, nangle, nparen;
     18 
     19 	t = nil;
     20 	for(i=0; i<nelem(demanglers); i++){
     21 		t = demanglers[i](s, buf);
     22 		if(t != s)
     23 			break;
     24 	}
     25 	if(t == s || !strip)
     26 		return t;
     27 
     28 	/* copy name without <> and () - not right, but convenient */
     29 	/* convert :: to $ - not right, but convenient (should fix acid) */
     30 	nangle = 0;
     31 	nparen = 0;
     32 	for(r=w=buf; *r; r++){
     33 		switch(*r){
     34 		case '<':
     35 			nangle++;
     36 			break;
     37 		case '>':
     38 			nangle--;
     39 			break;
     40 		case '(':
     41 			nparen++;
     42 			break;
     43 		case ')':
     44 			nparen--;
     45 			break;
     46 		default:
     47 			if(nparen == 0 && nangle == 0)
     48 				*w++ = *r;
     49 			break;
     50 		}
     51 	}
     52 	*w = 0;
     53 	return buf;
     54 }
     55 
     56 #ifdef TEST
     57 void
     58 main(int argc, char **argv)
     59 {
     60 	int i;
     61 
     62 	for(i=1; i<argc; i++){
     63 		print("%s\n", demangle(argv[i], 0));
     64 		print("\t%s\n", demangle(argv[i], 1));
     65 	}
     66 	exits(nil);
     67 }
     68 #endif