projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| d94e2462 M |
1 | # |
| 2 | /* | |
| 3 | * | |
| 4 | * UNIX debugger | |
| 5 | * | |
| 6 | */ | |
| 7 | ||
| 8 | #include "defs.h" | |
| 9 | ||
| 10 | INT mkfault; | |
| 11 | CHAR line[LINSIZ]; | |
| 12 | INT infile; | |
| 13 | CHAR *lp; | |
| 14 | CHAR lastc EOR; | |
| 15 | INT eof; | |
| 16 | ||
| 17 | /* input routines */ | |
| 18 | ||
| 19 | eol(c) | |
| 20 | CHAR c; | |
| 21 | { | |
| 22 | return(c==EOR ORF c==';'); | |
| 23 | } | |
| 24 | ||
| 25 | rdc() | |
| 26 | { REP readchar(); | |
| 27 | PER lastc==SP ORF lastc==TB | |
| 28 | DONE | |
| 29 | return(lastc); | |
| 30 | } | |
| 31 | ||
| 32 | readchar() | |
| 33 | { | |
| 34 | IF eof | |
| 35 | THEN lastc=EOF; | |
| 36 | ELSE IF lp==0 | |
| 37 | THEN lp=line; | |
| 38 | REP eof = read(infile,lp,1)==0; | |
| 39 | IF mkfault THEN error(0); FI | |
| 40 | PER eof==0 ANDF *lp++!=EOR DONE | |
| 41 | *lp=0; lp=line; | |
| 42 | FI | |
| 43 | IF lastc = *lp THEN lp++; FI | |
| 44 | FI | |
| 45 | return(lastc); | |
| 46 | } | |
| 47 | ||
| 48 | nextchar() | |
| 49 | { | |
| 50 | IF eol(rdc()) | |
| 51 | THEN lp--; return(0); | |
| 52 | ELSE return(lastc); | |
| 53 | FI | |
| 54 | } | |
| 55 | ||
| 56 | quotchar() | |
| 57 | { | |
| 58 | IF readchar()=='\\' | |
| 59 | THEN return(readchar()); | |
| 60 | ELIF lastc=='\'' | |
| 61 | THEN return(0); | |
| 62 | ELSE return(lastc); | |
| 63 | FI | |
| 64 | } | |
| 65 | ||
| 66 | getformat(deformat) | |
| 67 | STRING deformat; | |
| 68 | { | |
| 69 | REG STRING fptr; | |
| 70 | REG BOOL quote; | |
| 71 | fptr=deformat; quote=FALSE; | |
| 72 | WHILE (quote ? readchar()!=EOR : !eol(readchar())) | |
| 73 | DO IF (*fptr++ = lastc)=='"' | |
| 74 | THEN quote = ~quote; | |
| 75 | FI | |
| 76 | OD | |
| 77 | lp--; | |
| 78 | IF fptr!=deformat THEN *fptr++ = '\0'; FI | |
| 79 | } | |
| 80 | ||
| 81 |