Commit | Line | Data |
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42d6e430 BJ |
1 | #include <stdio.h> |
2 | # | |
3 | #include "def.h" | |
4 | #define bufsize 1601 | |
5 | char buffer[bufsize]; | |
6 | int bufcount; | |
7 | extern int errflag; | |
8 | long stchars; /* counts number of chars at most recent \n read */ | |
9 | #ifndef unix | |
10 | long ostchars; | |
11 | extern long ftell(); | |
12 | #endif | |
13 | int newline; /* counts number of lines read so far in file */ | |
14 | extern int rdfree(), comfree(),labfree(), contfree(); | |
15 | extern int rdstand(), comstand(), labstand(), contstand(); | |
16 | extern int (*rline[])(); | |
17 | extern int (*comment[])(); | |
18 | extern int (*getlabel[])(); | |
19 | extern int (*chkcont[])(); | |
20 | ||
21 | ||
22 | ||
23 | flush() | |
24 | {bufcount = 0; } | |
25 | ||
26 | addchar(c) | |
27 | { | |
28 | buffer[bufcount++] = c; | |
29 | } | |
30 | ||
31 | getline(lastline,lastchar,linecom,charcom) | |
32 | int *lastline, *linecom; | |
33 | long *lastchar, *charcom; | |
34 | /* set *lastline to number of last line of statement, | |
35 | set *lastchar to number of last char of statement, | |
36 | set *linecom to number of last line of comment preceding statement */ | |
37 | { | |
38 | ||
39 | int i; | |
40 | flush(); | |
41 | while ( unput1(input1()) != EOF) | |
42 | { | |
43 | while ( (*comment[inputform])(0) || blankline() ) | |
44 | { | |
45 | (*rline[inputform])(addchar); | |
46 | flush(); | |
47 | } | |
48 | *linecom = newline; | |
49 | /* set charcom to number of last char of comment, starting at 0 | |
50 | if at start of file and no comment, will be -1 */ | |
51 | *charcom = stchars - 1; | |
52 | if (unput1(input1()) == EOF) break; | |
53 | (*getlabel[inputform])(addchar); | |
54 | (*rline[inputform])(addchar); | |
55 | ||
56 | while ( blankline() || ( !(*comment[inputform])(0) && (*chkcont[inputform])() )) | |
57 | (*rline[inputform])(addchar); | |
58 | ||
59 | addchar('\0'); | |
60 | *lastline = newline; | |
61 | *lastchar = stchars - 1; | |
62 | if (debug == 40) | |
63 | fprintf(stderr,"line %d; bufcount: %d\n",newline,bufcount); | |
64 | ||
65 | for (i = 5; i < bufcount; ++i) | |
66 | if (buffer[i] == ' ' || buffer[i] == '\t' || buffer[i] == '\n') | |
67 | buffer[i] = '~'; | |
68 | return(bufcount); | |
69 | } | |
70 | return(-1); | |
71 | } | |
72 | ||
73 | ||
74 | int linechars; /* counts number of chars read so far in current line */ | |
75 | long newchar; /* counts number of chars read so far in file */ | |
76 | ||
77 | ||
78 | input1() | |
79 | { | |
80 | static int c; | |
81 | if (c == '\n') linechars = 0; | |
82 | c = inchar(); | |
83 | ++linechars; | |
84 | ++newchar; | |
85 | if (c == '\n') | |
86 | { | |
87 | ++newline; | |
88 | #ifdef unix | |
89 | stchars = newchar; | |
90 | #else | |
91 | ostchars=stchars; stchars=ftell(infd); | |
92 | #endif | |
93 | } | |
94 | return(c); | |
95 | } | |
96 | ||
97 | unput1(c) | |
98 | { | |
99 | --linechars; | |
100 | --newchar; | |
101 | unchar(c); | |
102 | if (c == '\n') | |
103 | { | |
104 | #ifdef unix | |
105 | stchars = newchar; | |
106 | #else | |
107 | stchars=ostchars; | |
108 | #endif | |
109 | --newline; | |
110 | } | |
111 | return(c); | |
112 | } | |
113 | ||
114 | ||
115 | ||
116 |