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1 | #!/bin/sh |
2 | |
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3 | # Hacks to make it work with Interactive's SysVr3 Version 2.2 |
4 | # doughera@lafvax.lafayette.edu (Andy Dougherty) 3/23/91 |
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5 | # |
6 | # Additional information to make the BSD section work with SunOS 4.0.2 |
7 | # tdinger@East.Sun.COM (Tom Dinger) 4/15/1991 |
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8 | |
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9 | input=$1 |
10 | output=$2 |
11 | tmp=/tmp/f$$ |
12 | |
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13 | if test -f perly.c.diff; then |
14 | cp $input $output |
15 | patch -F3 <perly.c.diff |
16 | rm -rf $input |
17 | exit |
18 | fi |
19 | |
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20 | plan="unknown" |
21 | |
22 | # Test for BSD 4.3 version. |
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23 | # Also tests for the SunOS 4.0.2 version |
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24 | egrep 'YYSTYPE[ ]*yyv\[ *YYMAXDEPTH *\]; |
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25 | short[ ]*yys\[ *YYMAXDEPTH *\] *; |
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26 | yyps *= *&yys\[ *-1 *\]; |
27 | yypv *= *&yyv\[ *-1 *\]; |
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28 | if *\( *\+\+yyps *>=* *&yys\[ *YYMAXDEPTH *\] *\)' $input >$tmp |
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29 | |
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30 | set `wc -l $tmp` |
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31 | if test "$1" = "5"; then |
32 | plan="bsd43" |
33 | fi |
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34 | |
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35 | if test "$plan" = "unknown"; then |
36 | # Test for ISC 2.2 version. |
37 | egrep 'YYSTYPE[ ]*yyv\[ *YYMAXDEPTH *\]; |
38 | int[ ]*yys\[ *YYMAXDEPTH *\] *; |
39 | yyps *= *&yys\[ *-1 *\]; |
40 | yypv *= *&yyv\[ *-1 *\]; |
41 | if *\( *\+\+yy_ps *>= *&yys\[ *YYMAXDEPTH *\] *\)' $input >$tmp |
42 | |
43 | set `wc -l $tmp` |
44 | if test "$1" = "5"; then |
45 | plan="isc" |
46 | fi |
47 | fi |
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48 | |
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49 | case "$plan" in |
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50 | ################################################################## |
51 | # The SunOS 4.0.2 version has the comparison fixed already. |
52 | # Also added are out of memory checks (makes porting the generated |
53 | # code easier) For most systems, it can't hurt. -- TD |
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54 | "bsd43") |
55 | echo "Patching perly.c to allow dynamic yacc stack allocation" |
56 | echo "Assuming bsd4.3 yaccpar" |
57 | cat >$tmp <<'END' |
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58 | /YYSTYPE[ ]*yyv\[ *YYMAXDEPTH *\];/c\ |
59 | int yymaxdepth = YYMAXDEPTH;\ |
60 | YYSTYPE *yyv; /* where the values are stored */\ |
61 | short *yys;\ |
62 | short *maxyyps; |
63 | |
64 | /short[ ]*yys\[ *YYMAXDEPTH *\] *;/d |
65 | |
66 | /yyps *= *&yys\[ *-1 *\];/d |
67 | |
68 | /yypv *= *&yyv\[ *-1 *\];/c\ |
69 | \ if (!yyv) {\ |
70 | \ yyv = (YYSTYPE*) malloc(yymaxdepth * sizeof(YYSTYPE));\ |
71 | \ yys = (short*) malloc(yymaxdepth * sizeof(short));\ |
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72 | \ if ( !yyv || !yys ) {\ |
73 | \ yyerror( "out of memory" );\ |
74 | \ return(1);\ |
75 | \ }\ |
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76 | \ maxyyps = &yys[yymaxdepth];\ |
77 | \ }\ |
78 | \ yyps = &yys[-1];\ |
79 | \ yypv = &yyv[-1]; |
80 | |
81 | |
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82 | /if *( *\+\+yyps *>=* *&yys\[ *YYMAXDEPTH *\] *)/c\ |
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83 | \ if( ++yyps >= maxyyps ) {\ |
84 | \ int tv = yypv - yyv;\ |
85 | \ int ts = yyps - yys;\ |
86 | \ |
87 | \ yymaxdepth *= 2;\ |
88 | \ yyv = (YYSTYPE*)realloc((char*)yyv,\ |
89 | \ yymaxdepth*sizeof(YYSTYPE));\ |
90 | \ yys = (short*)realloc((char*)yys,\ |
91 | \ yymaxdepth*sizeof(short));\ |
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92 | \ if ( !yyv || !yys ) {\ |
93 | \ yyerror( "yacc stack overflow" );\ |
94 | \ return(1);\ |
95 | \ }\ |
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96 | \ yyps = yys + ts;\ |
97 | \ yypv = yyv + tv;\ |
98 | \ maxyyps = &yys[yymaxdepth];\ |
99 | \ } |
100 | |
101 | /yacc stack overflow.*}/d |
102 | /yacc stack overflow/,/}/d |
103 | END |
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104 | sed -f $tmp <$input >$output ;; |
105 | |
106 | ####################################################### |
107 | "isc") # Interactive Systems 2.2 version |
108 | echo "Patching perly.c to allow dynamic yacc stack allocation" |
109 | echo "Assuming Interactive SysVr3 2.2 yaccpar" |
110 | # Easier to simply put whole script here than to modify the |
111 | # bsd script with sed. |
112 | # Main changes: yaccpar sometimes uses yy_ps and yy_pv |
113 | # which are local register variables. |
114 | # if(++yyps > YYMAXDEPTH) had opening brace on next line. |
115 | # I've kept that brace in along with a call to yyerror if |
116 | # realloc fails. (Actually, I just don't know how to do |
117 | # multi-line matches in sed.) |
118 | cat > $tmp << 'END' |
119 | /YYSTYPE[ ]*yyv\[ *YYMAXDEPTH *\];/c\ |
120 | int yymaxdepth = YYMAXDEPTH;\ |
121 | YYSTYPE *yyv; /* where the values are stored */\ |
122 | int *yys;\ |
123 | int *maxyyps; |
124 | |
125 | /int[ ]*yys\[ *YYMAXDEPTH *\] *;/d |
126 | |
127 | /yyps *= *&yys\[ *-1 *\];/d |
128 | |
129 | /yypv *= *&yyv\[ *-1 *\];/c\ |
130 | \ if (!yyv) {\ |
131 | \ yyv = (YYSTYPE*) malloc(yymaxdepth * sizeof(YYSTYPE));\ |
132 | \ yys = (int*) malloc(yymaxdepth * sizeof(int));\ |
133 | \ maxyyps = &yys[yymaxdepth];\ |
134 | \ }\ |
135 | \ yyps = &yys[-1];\ |
136 | \ yypv = &yyv[-1]; |
137 | |
138 | /if *( *\+\+yy_ps *>= *&yys\[ *YYMAXDEPTH *\] *)/c\ |
139 | \ if( ++yy_ps >= maxyyps ) {\ |
140 | \ int tv = yy_pv - yyv;\ |
141 | \ int ts = yy_ps - yys;\ |
142 | \ |
143 | \ yymaxdepth *= 2;\ |
144 | \ yyv = (YYSTYPE*)realloc((char*)yyv,\ |
145 | \ yymaxdepth*sizeof(YYSTYPE));\ |
146 | \ yys = (int*)realloc((char*)yys,\ |
147 | \ yymaxdepth*sizeof(int));\ |
148 | \ yy_ps = yyps = yys + ts;\ |
149 | \ yy_pv = yypv = yyv + tv;\ |
150 | \ maxyyps = &yys[yymaxdepth];\ |
151 | \ }\ |
152 | \ if (yyv == NULL || yys == NULL) |
153 | END |
154 | sed -f $tmp < $input > $output ;; |
155 | |
156 | ###################################################### |
157 | # Plan still unknown |
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158 | *) sed -e 's/Received token/ *** Received token/' $input >$output; |
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159 | esac |
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160 | |
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161 | rm -rf $tmp $input |