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 |