| 1 | /* walk.c
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| 2 | *
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| 3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1997, 1998, 1999,
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| 4 | * 2000, 2001, 2002, 2005 by Larry Wall and others
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| 5 | *
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| 6 | * You may distribute under the terms of either the GNU General Public
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| 7 | * License or the Artistic License, as specified in the README file.
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| 8 | */
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| 9 |
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| 10 | #include "EXTERN.h"
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| 11 | #include "a2p.h"
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| 12 | #include "util.h"
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| 13 |
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| 14 | bool exitval = FALSE;
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| 15 | bool realexit = FALSE;
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| 16 | bool saw_getline = FALSE;
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| 17 | bool subretnum = FALSE;
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| 18 | bool saw_FNR = FALSE;
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| 19 | bool saw_argv0 = FALSE;
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| 20 | bool saw_fh = FALSE;
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| 21 | int maxtmp = 0;
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| 22 | char *lparen;
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| 23 | char *rparen;
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| 24 | char *limit;
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| 25 | STR *subs;
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| 26 | STR *curargs = Nullstr;
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| 27 |
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| 28 | static void addsemi ( STR *str );
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| 29 | static void emit_split ( STR *str, int level );
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| 30 | static void fixtab ( STR *str, int lvl );
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| 31 | static void numericize ( int node );
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| 32 | static void tab ( STR *str, int lvl );
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| 33 |
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| 34 | int prewalk ( int numit, int level, int node, int *numericptr );
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| 35 | STR * walk ( int useval, int level, int node, int *numericptr, int minprec );
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| 36 | #ifdef NETWARE
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| 37 | char *savestr(char *str);
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| 38 | char *cpytill(register char *to, register char *from, register int delim);
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| 39 | char *instr(char *big, char *little);
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| 40 | #endif
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| 41 |
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| 42 | STR *
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| 43 | walk(int useval, int level, register int node, int *numericptr, int minprec)
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| 44 | {
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| 45 | register int len;
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| 46 | register STR *str;
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| 47 | register int type;
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| 48 | register int i;
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| 49 | register STR *tmpstr;
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| 50 | STR *tmp2str;
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| 51 | STR *tmp3str;
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| 52 | char *t;
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| 53 | char *d, *s;
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| 54 | int numarg;
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| 55 | int numeric = FALSE;
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| 56 | STR *fstr;
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| 57 | int prec = P_MAX; /* assume no parens needed */
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| 58 |
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| 59 | if (!node) {
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| 60 | *numericptr = 0;
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| 61 | return str_make("");
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| 62 | }
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| 63 | type = ops[node].ival;
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| 64 | len = type >> 8;
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| 65 | type &= 255;
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| 66 | switch (type) {
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| 67 | case OPROG:
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| 68 | arymax = 0;
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| 69 | if (namelist) {
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| 70 | while (isALPHA(*namelist)) {
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| 71 | for (d = tokenbuf,s=namelist;
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| 72 | isALPHA(*s) || isDIGIT(*s) || *s == '_';
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| 73 | *d++ = *s++) ;
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| 74 | *d = '\0';
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| 75 | while (*s && !isALPHA(*s)) s++;
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| 76 | namelist = s;
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| 77 | nameary[++arymax] = savestr(tokenbuf);
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| 78 | }
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| 79 | }
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| 80 | if (maxfld < arymax)
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| 81 | maxfld = arymax;
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| 82 | opens = str_new(0);
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| 83 | subs = str_new(0);
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| 84 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN);
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| 85 | if (do_split && need_entire && !absmaxfld)
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| 86 | split_to_array = TRUE;
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| 87 | if (do_split && split_to_array)
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| 88 | set_array_base = TRUE;
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| 89 | if (set_array_base) {
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| 90 | str_cat(str,"$[ = 1;\t\t\t# set array base to 1\n");
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| 91 | }
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| 92 | if (fswitch && !const_FS)
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| 93 | const_FS = fswitch;
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| 94 | if (saw_FS > 1 || saw_RS)
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| 95 | const_FS = 0;
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| 96 | if (saw_ORS && need_entire)
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| 97 | do_chop = TRUE;
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| 98 | if (fswitch) {
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| 99 | str_cat(str,"$FS = '");
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| 100 | if (strchr("*+?.[]()|^$\\",fswitch))
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| 101 | str_cat(str,"\\");
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| 102 | sprintf(tokenbuf,"%c",fswitch);
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| 103 | str_cat(str,tokenbuf);
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| 104 | str_cat(str,"';\t\t# field separator from -F switch\n");
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| 105 | }
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| 106 | else if (saw_FS && !const_FS) {
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| 107 | str_cat(str,"$FS = ' ';\t\t# set field separator\n");
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| 108 | }
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| 109 | if (saw_OFS) {
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| 110 | str_cat(str,"$, = ' ';\t\t# set output field separator\n");
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| 111 | }
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| 112 | if (saw_ORS) {
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| 113 | str_cat(str,"$\\ = \"\\n\";\t\t# set output record separator\n");
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| 114 | }
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| 115 | if (saw_argv0) {
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| 116 | str_cat(str,"$ARGV0 = $0;\t\t# remember what we ran as\n");
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| 117 | }
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| 118 | if (str->str_cur > 20)
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| 119 | str_cat(str,"\n");
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| 120 | if (ops[node+2].ival) {
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| 121 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN));
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| 122 | str_free(fstr);
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| 123 | str_cat(str,"\n\n");
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| 124 | }
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| 125 | fstr = walk(0,level+1,ops[node+3].ival,&numarg,P_MIN);
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| 126 | if (*fstr->str_ptr) {
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| 127 | if (saw_line_op)
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| 128 | str_cat(str,"line: ");
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| 129 | str_cat(str,"while (<>) {\n");
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| 130 | tab(str,++level);
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| 131 | if (saw_FS && !const_FS)
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| 132 | do_chop = TRUE;
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| 133 | if (do_chop) {
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| 134 | str_cat(str,"chomp;\t# strip record separator\n");
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| 135 | tab(str,level);
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| 136 | }
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| 137 | if (do_split)
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| 138 | emit_split(str,level);
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| 139 | str_scat(str,fstr);
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| 140 | str_free(fstr);
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| 141 | fixtab(str,--level);
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| 142 | str_cat(str,"}\n");
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| 143 | if (saw_FNR)
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| 144 | str_cat(str,"continue {\n $FNRbase = $. if eof;\n}\n");
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| 145 | }
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| 146 | else if (old_awk)
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| 147 | str_cat(str,"while (<>) { } # (no line actions)\n");
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| 148 | if (ops[node+4].ival) {
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| 149 | realexit = TRUE;
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| 150 | str_cat(str,"\n");
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| 151 | tab(str,level);
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| 152 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN));
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| 153 | str_free(fstr);
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| 154 | str_cat(str,"\n");
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| 155 | }
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| 156 | if (exitval)
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| 157 | str_cat(str,"exit $ExitValue;\n");
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| 158 | if (subs->str_ptr) {
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| 159 | str_cat(str,"\n");
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| 160 | str_scat(str,subs);
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| 161 | }
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| 162 | if (saw_getline) {
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| 163 | for (len = 0; len < 4; len++) {
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| 164 | if (saw_getline & (1 << len)) {
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| 165 | sprintf(tokenbuf,"\nsub Getline%d {\n",len);
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| 166 | str_cat(str, tokenbuf);
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| 167 | if (len & 2) {
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| 168 | if (do_fancy_opens)
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| 169 | str_cat(str," &Pick('',@_);\n");
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| 170 | else
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| 171 | str_cat(str," ($fh) = @_;\n");
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| 172 | }
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| 173 | else {
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| 174 | if (saw_FNR)
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| 175 | str_cat(str," $FNRbase = $. if eof;\n");
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| 176 | }
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| 177 | if (len & 1)
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| 178 | str_cat(str," local($_);\n");
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| 179 | if (len & 2)
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| 180 | str_cat(str,
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| 181 | " if ($getline_ok = (($_ = <$fh>) ne ''))");
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| 182 | else
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| 183 | str_cat(str,
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| 184 | " if ($getline_ok = (($_ = <>) ne ''))");
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| 185 | str_cat(str, " {\n");
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| 186 | level += 2;
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| 187 | tab(str,level);
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| 188 | i = 0;
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| 189 | if (do_chop) {
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| 190 | i++;
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| 191 | str_cat(str,"chomp;\t# strip record separator\n");
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| 192 | tab(str,level);
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| 193 | }
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| 194 | if (do_split && !(len & 1)) {
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| 195 | i++;
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| 196 | emit_split(str,level);
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| 197 | }
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| 198 | if (!i)
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| 199 | str_cat(str,";\n");
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| 200 | fixtab(str,--level);
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| 201 | str_cat(str,"}\n $_;\n}\n");
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| 202 | --level;
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| 203 | }
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| 204 | }
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| 205 | }
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| 206 | if (do_fancy_opens) {
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| 207 | str_cat(str,"\n\
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| 208 | sub Pick {\n\
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| 209 | local($mode,$name,$pipe) = @_;\n\
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| 210 | $fh = $name;\n\
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| 211 | open($name,$mode.$name.$pipe) unless $opened{$name}++;\n\
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| 212 | }\n\
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| 213 | ");
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| 214 | }
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| 215 | break;
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| 216 | case OHUNKS:
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| 217 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN);
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| 218 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN));
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| 219 | str_free(fstr);
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| 220 | if (len == 3) {
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| 221 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN));
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| 222 | str_free(fstr);
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| 223 | }
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| 224 | else {
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| 225 | }
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| 226 | break;
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| 227 | case ORANGE:
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| 228 | prec = P_DOTDOT;
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| 229 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1);
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| 230 | str_cat(str," .. ");
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| 231 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1));
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| 232 | str_free(fstr);
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| 233 | break;
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| 234 | case OPAT:
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| 235 | goto def;
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| 236 | case OREGEX:
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| 237 | str = str_new(0);
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| 238 | str_set(str,"/");
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| 239 | tmpstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN);
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| 240 | /* translate \nnn to [\nnn] */
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| 241 | for (s = tmpstr->str_ptr, d = tokenbuf; *s; s++, d++) {
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| 242 | if (*s == '\\' && isDIGIT(s[1]) && isDIGIT(s[2]) && isDIGIT(s[3])){
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| 243 | *d++ = '[';
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| 244 | *d++ = *s++;
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| 245 | *d++ = *s++;
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| 246 | *d++ = *s++;
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| 247 | *d++ = *s;
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| 248 | *d = ']';
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| 249 | }
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| 250 | else
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| 251 | *d = *s;
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| 252 | }
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| 253 | *d = '\0';
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| 254 | for (d=tokenbuf; *d; d++)
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| 255 | *d += (char)128;
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| 256 | str_cat(str,tokenbuf);
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| 257 | str_free(tmpstr);
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| 258 | str_cat(str,"/");
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| 259 | break;
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| 260 | case OHUNK:
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| 261 | if (len == 1) {
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| 262 | str = str_new(0);
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| 263 | str = walk(0,level,oper1(OPRINT,0),&numarg,P_MIN);
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| 264 | str_cat(str," if ");
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| 265 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN));
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| 266 | str_free(fstr);
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| 267 | str_cat(str,";");
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| 268 | }
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| 269 | else {
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| 270 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN);
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| 271 | if (*tmpstr->str_ptr) {
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| 272 | str = str_new(0);
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| 273 | str_set(str,"if (");
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| 274 | str_scat(str,tmpstr);
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| 275 | str_cat(str,") {\n");
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| 276 | tab(str,++level);
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| 277 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN));
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| 278 | str_free(fstr);
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| 279 | fixtab(str,--level);
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| 280 | str_cat(str,"}\n");
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| 281 | tab(str,level);
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| 282 | }
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| 283 | else {
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| 284 | str = walk(0,level,ops[node+2].ival,&numarg,P_MIN);
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| 285 | }
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| 286 | }
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| 287 | break;
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| 288 | case OPPAREN:
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| 289 | str = str_new(0);
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| 290 | str_set(str,"(");
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| 291 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN));
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| 292 | str_free(fstr);
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| 293 | str_cat(str,")");
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| 294 | break;
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| 295 | case OPANDAND:
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| 296 | prec = P_ANDAND;
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| 297 | str = walk(1,level,ops[node+1].ival,&numarg,prec);
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| 298 | str_cat(str," && ");
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| 299 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1));
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| 300 | str_free(fstr);
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| 301 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1));
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| 302 | str_free(fstr);
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| 303 | break;
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| 304 | case OPOROR:
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| 305 | prec = P_OROR;
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| 306 | str = walk(1,level,ops[node+1].ival,&numarg,prec);
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| 307 | str_cat(str," || ");
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| 308 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1));
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| 309 | str_free(fstr);
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| 310 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1));
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| 311 | str_free(fstr);
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| 312 | break;
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| 313 | case OPNOT:
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| 314 | prec = P_UNARY;
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| 315 | str = str_new(0);
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| 316 | str_set(str,"!");
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| 317 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec));
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| 318 | str_free(fstr);
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| 319 | break;
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| 320 | case OCOND:
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| 321 | prec = P_COND;
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| 322 | str = walk(1,level,ops[node+1].ival,&numarg,prec);
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| 323 | str_cat(str," ? ");
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| 324 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1));
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| 325 | str_free(fstr);
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| 326 | str_cat(str," : ");
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| 327 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1));
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| 328 | str_free(fstr);
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| 329 | break;
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| 330 | case OCPAREN:
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| 331 | str = str_new(0);
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| 332 | str_set(str,"(");
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| 333 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN));
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| 334 | str_free(fstr);
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| 335 | numeric |= numarg;
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| 336 | str_cat(str,")");
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| 337 | break;
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| 338 | case OCANDAND:
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| 339 | prec = P_ANDAND;
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| 340 | str = walk(1,level,ops[node+1].ival,&numarg,prec);
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| 341 | numeric = 1;
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| 342 | str_cat(str," && ");
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| 343 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1));
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| 344 | str_free(fstr);
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| 345 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1));
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| 346 | str_free(fstr);
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| 347 | break;
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| 348 | case OCOROR:
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| 349 | prec = P_OROR;
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| 350 | str = walk(1,level,ops[node+1].ival,&numarg,prec);
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| 351 | numeric = 1;
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| 352 | str_cat(str," || ");
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| 353 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1));
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| 354 | str_free(fstr);
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| 355 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1));
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| 356 | str_free(fstr);
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| 357 | break;
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| 358 | case OCNOT:
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| 359 | prec = P_UNARY;
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| 360 | str = str_new(0);
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| 361 | str_set(str,"!");
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| 362 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec));
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| 363 | str_free(fstr);
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| 364 | numeric = 1;
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| 365 | break;
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| 366 | case ORELOP:
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| 367 | prec = P_REL;
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| 368 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1);
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| 369 | numeric |= numarg;
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| 370 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN);
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| 371 | tmp2str = walk(1,level,ops[node+3].ival,&numarg,prec+1);
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| 372 | numeric |= numarg;
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| 373 | if (!numeric ||
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| 374 | (!numarg && (*tmp2str->str_ptr == '"' || *tmp2str->str_ptr == '\''))) {
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| 375 | t = tmpstr->str_ptr;
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| 376 | if (strEQ(t,"=="))
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| 377 | str_set(tmpstr,"eq");
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| 378 | else if (strEQ(t,"!="))
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| 379 | str_set(tmpstr,"ne");
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| 380 | else if (strEQ(t,"<"))
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| 381 | str_set(tmpstr,"lt");
|
|---|
| 382 | else if (strEQ(t,"<="))
|
|---|
| 383 | str_set(tmpstr,"le");
|
|---|
| 384 | else if (strEQ(t,">"))
|
|---|
| 385 | str_set(tmpstr,"gt");
|
|---|
| 386 | else if (strEQ(t,">="))
|
|---|
| 387 | str_set(tmpstr,"ge");
|
|---|
| 388 | if (!strchr(tmpstr->str_ptr,'\'') && !strchr(tmpstr->str_ptr,'"') &&
|
|---|
| 389 | !strchr(tmp2str->str_ptr,'\'') && !strchr(tmp2str->str_ptr,'"') )
|
|---|
| 390 | numeric |= 2;
|
|---|
| 391 | }
|
|---|
| 392 | if (numeric & 2) {
|
|---|
| 393 | if (numeric & 1) /* numeric is very good guess */
|
|---|
| 394 | str_cat(str," ");
|
|---|
| 395 | else
|
|---|
| 396 | str_cat(str,"\377");
|
|---|
| 397 | numeric = 1;
|
|---|
| 398 | }
|
|---|
| 399 | else
|
|---|
| 400 | str_cat(str," ");
|
|---|
| 401 | str_scat(str,tmpstr);
|
|---|
| 402 | str_free(tmpstr);
|
|---|
| 403 | str_cat(str," ");
|
|---|
| 404 | str_scat(str,tmp2str);
|
|---|
| 405 | str_free(tmp2str);
|
|---|
| 406 | numeric = 1;
|
|---|
| 407 | break;
|
|---|
| 408 | case ORPAREN:
|
|---|
| 409 | str = str_new(0);
|
|---|
| 410 | str_set(str,"(");
|
|---|
| 411 | str_scat(str,fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN));
|
|---|
| 412 | str_free(fstr);
|
|---|
| 413 | numeric |= numarg;
|
|---|
| 414 | str_cat(str,")");
|
|---|
| 415 | break;
|
|---|
| 416 | case OMATCHOP:
|
|---|
| 417 | prec = P_MATCH;
|
|---|
| 418 | str = walk(1,level,ops[node+2].ival,&numarg,prec+1);
|
|---|
| 419 | str_cat(str," ");
|
|---|
| 420 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN);
|
|---|
| 421 | if (strEQ(tmpstr->str_ptr,"~"))
|
|---|
| 422 | str_cat(str,"=~");
|
|---|
| 423 | else {
|
|---|
| 424 | str_scat(str,tmpstr);
|
|---|
| 425 | str_free(tmpstr);
|
|---|
| 426 | }
|
|---|
| 427 | str_cat(str," ");
|
|---|
| 428 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1));
|
|---|
| 429 | str_free(fstr);
|
|---|
| 430 | numeric = 1;
|
|---|
| 431 | break;
|
|---|
| 432 | case OMPAREN:
|
|---|
| 433 | str = str_new(0);
|
|---|
| 434 | str_set(str,"(");
|
|---|
| 435 | str_scat(str,
|
|---|
| 436 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN));
|
|---|
| 437 | str_free(fstr);
|
|---|
| 438 | numeric |= numarg;
|
|---|
| 439 | str_cat(str,")");
|
|---|
| 440 | break;
|
|---|
| 441 | case OCONCAT:
|
|---|
| 442 | prec = P_ADD;
|
|---|
| 443 | type = ops[ops[node+1].ival].ival & 255;
|
|---|
| 444 | str = walk(1,level,ops[node+1].ival,&numarg,prec+(type != OCONCAT));
|
|---|
| 445 | str_cat(str," . ");
|
|---|
| 446 | type = ops[ops[node+2].ival].ival & 255;
|
|---|
| 447 | str_scat(str,
|
|---|
| 448 | fstr=walk(1,level,ops[node+2].ival,&numarg,prec+(type != OCONCAT)));
|
|---|
| 449 | str_free(fstr);
|
|---|
| 450 | break;
|
|---|
| 451 | case OASSIGN:
|
|---|
| 452 | prec = P_ASSIGN;
|
|---|
| 453 | str = walk(0,level,ops[node+2].ival,&numarg,prec+1);
|
|---|
| 454 | str_cat(str," ");
|
|---|
| 455 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN);
|
|---|
| 456 | str_scat(str,tmpstr);
|
|---|
| 457 | if (str_len(tmpstr) > 1)
|
|---|
| 458 | numeric = 1;
|
|---|
| 459 | str_free(tmpstr);
|
|---|
| 460 | str_cat(str," ");
|
|---|
| 461 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec));
|
|---|
| 462 | str_free(fstr);
|
|---|
| 463 | numeric |= numarg;
|
|---|
| 464 | if (strEQ(str->str_ptr,"$/ = ''"))
|
|---|
| 465 | str_set(str, "$/ = \"\\n\\n\"");
|
|---|
| 466 | break;
|
|---|
| 467 | case OADD:
|
|---|
| 468 | prec = P_ADD;
|
|---|
| 469 | str = walk(1,level,ops[node+1].ival,&numarg,prec);
|
|---|
| 470 | str_cat(str," + ");
|
|---|
| 471 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1));
|
|---|
| 472 | str_free(fstr);
|
|---|
| 473 | numeric = 1;
|
|---|
| 474 | break;
|
|---|
| 475 | case OSUBTRACT:
|
|---|
| 476 | prec = P_ADD;
|
|---|
| 477 | str = walk(1,level,ops[node+1].ival,&numarg,prec);
|
|---|
| 478 | str_cat(str," - ");
|
|---|
| 479 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1));
|
|---|
| 480 | str_free(fstr);
|
|---|
| 481 | numeric = 1;
|
|---|
| 482 | break;
|
|---|
| 483 | case OMULT:
|
|---|
| 484 | prec = P_MUL;
|
|---|
| 485 | str = walk(1,level,ops[node+1].ival,&numarg,prec);
|
|---|
| 486 | str_cat(str," * ");
|
|---|
| 487 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1));
|
|---|
| 488 | str_free(fstr);
|
|---|
| 489 | numeric = 1;
|
|---|
| 490 | break;
|
|---|
| 491 | case ODIV:
|
|---|
| 492 | prec = P_MUL;
|
|---|
| 493 | str = walk(1,level,ops[node+1].ival,&numarg,prec);
|
|---|
| 494 | str_cat(str," / ");
|
|---|
| 495 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1));
|
|---|
| 496 | str_free(fstr);
|
|---|
| 497 | numeric = 1;
|
|---|
| 498 | break;
|
|---|
| 499 | case OPOW:
|
|---|
| 500 | prec = P_POW;
|
|---|
| 501 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1);
|
|---|
| 502 | str_cat(str," ** ");
|
|---|
| 503 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec));
|
|---|
| 504 | str_free(fstr);
|
|---|
| 505 | numeric = 1;
|
|---|
| 506 | break;
|
|---|
| 507 | case OMOD:
|
|---|
| 508 | prec = P_MUL;
|
|---|
| 509 | str = walk(1,level,ops[node+1].ival,&numarg,prec);
|
|---|
| 510 | str_cat(str," % ");
|
|---|
| 511 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,prec+1));
|
|---|
| 512 | str_free(fstr);
|
|---|
| 513 | numeric = 1;
|
|---|
| 514 | break;
|
|---|
| 515 | case OPOSTINCR:
|
|---|
| 516 | prec = P_AUTO;
|
|---|
| 517 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1);
|
|---|
| 518 | str_cat(str,"++");
|
|---|
| 519 | numeric = 1;
|
|---|
| 520 | break;
|
|---|
| 521 | case OPOSTDECR:
|
|---|
| 522 | prec = P_AUTO;
|
|---|
| 523 | str = walk(1,level,ops[node+1].ival,&numarg,prec+1);
|
|---|
| 524 | str_cat(str,"--");
|
|---|
| 525 | numeric = 1;
|
|---|
| 526 | break;
|
|---|
| 527 | case OPREINCR:
|
|---|
| 528 | prec = P_AUTO;
|
|---|
| 529 | str = str_new(0);
|
|---|
| 530 | str_set(str,"++");
|
|---|
| 531 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1));
|
|---|
| 532 | str_free(fstr);
|
|---|
| 533 | numeric = 1;
|
|---|
| 534 | break;
|
|---|
| 535 | case OPREDECR:
|
|---|
| 536 | prec = P_AUTO;
|
|---|
| 537 | str = str_new(0);
|
|---|
| 538 | str_set(str,"--");
|
|---|
| 539 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1));
|
|---|
| 540 | str_free(fstr);
|
|---|
| 541 | numeric = 1;
|
|---|
| 542 | break;
|
|---|
| 543 | case OUMINUS:
|
|---|
| 544 | prec = P_UNARY;
|
|---|
| 545 | str = str_new(0);
|
|---|
| 546 | str_set(str,"-");
|
|---|
| 547 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,prec));
|
|---|
| 548 | str_free(fstr);
|
|---|
| 549 | numeric = 1;
|
|---|
| 550 | break;
|
|---|
| 551 | case OUPLUS:
|
|---|
| 552 | numeric = 1;
|
|---|
| 553 | goto def;
|
|---|
| 554 | case OPAREN:
|
|---|
| 555 | str = str_new(0);
|
|---|
| 556 | str_set(str,"(");
|
|---|
| 557 | str_scat(str,
|
|---|
| 558 | fstr=walk(useval != 0,level,ops[node+1].ival,&numarg,P_MIN));
|
|---|
| 559 | str_free(fstr);
|
|---|
| 560 | str_cat(str,")");
|
|---|
| 561 | numeric |= numarg;
|
|---|
| 562 | break;
|
|---|
| 563 | case OGETLINE:
|
|---|
| 564 | str = str_new(0);
|
|---|
| 565 | if (useval)
|
|---|
| 566 | str_cat(str,"(");
|
|---|
| 567 | if (len > 0) {
|
|---|
| 568 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN));
|
|---|
| 569 | if (!*fstr->str_ptr) {
|
|---|
| 570 | str_cat(str,"$_");
|
|---|
| 571 | len = 2; /* a legal fiction */
|
|---|
| 572 | }
|
|---|
| 573 | str_free(fstr);
|
|---|
| 574 | }
|
|---|
| 575 | else
|
|---|
| 576 | str_cat(str,"$_");
|
|---|
| 577 | if (len > 1) {
|
|---|
| 578 | tmpstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN);
|
|---|
| 579 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN);
|
|---|
| 580 | if (!do_fancy_opens) {
|
|---|
| 581 | t = tmpstr->str_ptr;
|
|---|
| 582 | if (*t == '"' || *t == '\'')
|
|---|
| 583 | t = cpytill(tokenbuf,t+1,*t);
|
|---|
| 584 | else
|
|---|
| 585 | fatal("Internal error: OGETLINE %s", t);
|
|---|
| 586 | d = savestr(t);
|
|---|
| 587 | s = savestr(tokenbuf);
|
|---|
| 588 | for (t = tokenbuf; *t; t++) {
|
|---|
| 589 | *t &= 127;
|
|---|
| 590 | if (isLOWER(*t))
|
|---|
| 591 | *t = toUPPER(*t);
|
|---|
| 592 | if (!isALPHA(*t) && !isDIGIT(*t))
|
|---|
| 593 | *t = '_';
|
|---|
| 594 | }
|
|---|
| 595 | if (!strchr(tokenbuf,'_'))
|
|---|
| 596 | strcpy(t,"_FH");
|
|---|
| 597 | tmp3str = hfetch(symtab,tokenbuf);
|
|---|
| 598 | if (!tmp3str) {
|
|---|
| 599 | do_opens = TRUE;
|
|---|
| 600 | str_cat(opens,"open(");
|
|---|
| 601 | str_cat(opens,tokenbuf);
|
|---|
| 602 | str_cat(opens,", ");
|
|---|
| 603 | d[1] = '\0';
|
|---|
| 604 | str_cat(opens,d);
|
|---|
| 605 | str_cat(opens,tmpstr->str_ptr+1);
|
|---|
| 606 | opens->str_cur--;
|
|---|
| 607 | if (*fstr->str_ptr == '|')
|
|---|
| 608 | str_cat(opens,"|");
|
|---|
| 609 | str_cat(opens,d);
|
|---|
| 610 | if (*fstr->str_ptr == '|')
|
|---|
| 611 | str_cat(opens,") || die 'Cannot pipe from \"");
|
|---|
| 612 | else
|
|---|
| 613 | str_cat(opens,") || die 'Cannot open file \"");
|
|---|
| 614 | if (*d == '"')
|
|---|
| 615 | str_cat(opens,"'.\"");
|
|---|
| 616 | str_cat(opens,s);
|
|---|
| 617 | if (*d == '"')
|
|---|
| 618 | str_cat(opens,"\".'");
|
|---|
| 619 | str_cat(opens,"\".';\n");
|
|---|
| 620 | hstore(symtab,tokenbuf,str_make("x"));
|
|---|
| 621 | }
|
|---|
| 622 | safefree(s);
|
|---|
| 623 | safefree(d);
|
|---|
| 624 | str_set(tmpstr,"'");
|
|---|
| 625 | str_cat(tmpstr,tokenbuf);
|
|---|
| 626 | str_cat(tmpstr,"'");
|
|---|
| 627 | }
|
|---|
| 628 | if (*fstr->str_ptr == '|')
|
|---|
| 629 | str_cat(tmpstr,", '|'");
|
|---|
| 630 | str_free(fstr);
|
|---|
| 631 | }
|
|---|
| 632 | else
|
|---|
| 633 | tmpstr = str_make("");
|
|---|
| 634 | sprintf(tokenbuf," = &Getline%d(%s)",len,tmpstr->str_ptr);
|
|---|
| 635 | str_cat(str,tokenbuf);
|
|---|
| 636 | str_free(tmpstr);
|
|---|
| 637 | if (useval)
|
|---|
| 638 | str_cat(str,",$getline_ok)");
|
|---|
| 639 | saw_getline |= 1 << len;
|
|---|
| 640 | break;
|
|---|
| 641 | case OSPRINTF:
|
|---|
| 642 | str = str_new(0);
|
|---|
| 643 | str_set(str,"sprintf(");
|
|---|
| 644 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN));
|
|---|
| 645 | str_free(fstr);
|
|---|
| 646 | str_cat(str,")");
|
|---|
| 647 | break;
|
|---|
| 648 | case OSUBSTR:
|
|---|
| 649 | str = str_new(0);
|
|---|
| 650 | str_set(str,"substr(");
|
|---|
| 651 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1));
|
|---|
| 652 | str_free(fstr);
|
|---|
| 653 | str_cat(str,", ");
|
|---|
| 654 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1));
|
|---|
| 655 | str_free(fstr);
|
|---|
| 656 | if (len == 3) {
|
|---|
| 657 | str_cat(str,", ");
|
|---|
| 658 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1));
|
|---|
| 659 | str_free(fstr);
|
|---|
| 660 | }
|
|---|
| 661 | str_cat(str,")");
|
|---|
| 662 | break;
|
|---|
| 663 | case OSTRING:
|
|---|
| 664 | str = str_new(0);
|
|---|
| 665 | str_set(str,ops[node+1].cval);
|
|---|
| 666 | break;
|
|---|
| 667 | case OSPLIT:
|
|---|
| 668 | str = str_new(0);
|
|---|
| 669 | limit = ", -1)";
|
|---|
| 670 | numeric = 1;
|
|---|
| 671 | tmpstr = walk(1,level,ops[node+2].ival,&numarg,P_MIN);
|
|---|
| 672 | if (useval)
|
|---|
| 673 | str_set(str,"(@");
|
|---|
| 674 | else
|
|---|
| 675 | str_set(str,"@");
|
|---|
| 676 | str_scat(str,tmpstr);
|
|---|
| 677 | str_cat(str," = split(");
|
|---|
| 678 | if (len == 3) {
|
|---|
| 679 | fstr = walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1);
|
|---|
| 680 | if (str_len(fstr) == 3 && *fstr->str_ptr == '\'') {
|
|---|
| 681 | i = fstr->str_ptr[1] & 127;
|
|---|
| 682 | if (strchr("*+?.[]()|^$\\",i))
|
|---|
| 683 | sprintf(tokenbuf,"/\\%c/",i);
|
|---|
| 684 | else if (i == ' ')
|
|---|
| 685 | sprintf(tokenbuf,"' '");
|
|---|
| 686 | else
|
|---|
| 687 | sprintf(tokenbuf,"/%c/",i);
|
|---|
| 688 | str_cat(str,tokenbuf);
|
|---|
| 689 | }
|
|---|
| 690 | else
|
|---|
| 691 | str_scat(str,fstr);
|
|---|
| 692 | str_free(fstr);
|
|---|
| 693 | }
|
|---|
| 694 | else if (const_FS) {
|
|---|
| 695 | sprintf(tokenbuf,"/[%c\\n]/",const_FS);
|
|---|
| 696 | str_cat(str,tokenbuf);
|
|---|
| 697 | }
|
|---|
| 698 | else if (saw_FS)
|
|---|
| 699 | str_cat(str,"$FS");
|
|---|
| 700 | else {
|
|---|
| 701 | str_cat(str,"' '");
|
|---|
| 702 | limit = ")";
|
|---|
| 703 | }
|
|---|
| 704 | str_cat(str,", ");
|
|---|
| 705 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1));
|
|---|
| 706 | str_free(fstr);
|
|---|
| 707 | str_cat(str,limit);
|
|---|
| 708 | if (useval) {
|
|---|
| 709 | str_cat(str,")");
|
|---|
| 710 | }
|
|---|
| 711 | str_free(tmpstr);
|
|---|
| 712 | break;
|
|---|
| 713 | case OINDEX:
|
|---|
| 714 | str = str_new(0);
|
|---|
| 715 | str_set(str,"index(");
|
|---|
| 716 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1));
|
|---|
| 717 | str_free(fstr);
|
|---|
| 718 | str_cat(str,", ");
|
|---|
| 719 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1));
|
|---|
| 720 | str_free(fstr);
|
|---|
| 721 | str_cat(str,")");
|
|---|
| 722 | numeric = 1;
|
|---|
| 723 | break;
|
|---|
| 724 | case OMATCH:
|
|---|
| 725 | str = str_new(0);
|
|---|
| 726 | prec = P_ANDAND;
|
|---|
| 727 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MATCH+1));
|
|---|
| 728 | str_free(fstr);
|
|---|
| 729 | str_cat(str," =~ ");
|
|---|
| 730 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MATCH+1));
|
|---|
| 731 | str_free(fstr);
|
|---|
| 732 | str_cat(str," && ($RLENGTH = length($&), $RSTART = length($`)+1)");
|
|---|
| 733 | numeric = 1;
|
|---|
| 734 | break;
|
|---|
| 735 | case OUSERDEF:
|
|---|
| 736 | str = str_new(0);
|
|---|
| 737 | subretnum = FALSE;
|
|---|
| 738 | fstr=walk(1,level-1,ops[node+2].ival,&numarg,P_MIN);
|
|---|
| 739 | curargs = str_new(0);
|
|---|
| 740 | str_sset(curargs,fstr);
|
|---|
| 741 | str_cat(curargs,",");
|
|---|
| 742 | tmp2str=walk(1,level,ops[node+5].ival,&numarg,P_MIN);
|
|---|
| 743 | str_free(curargs);
|
|---|
| 744 | curargs = Nullstr;
|
|---|
| 745 | level--;
|
|---|
| 746 | subretnum |= numarg;
|
|---|
| 747 | s = Nullch;
|
|---|
| 748 | t = tmp2str->str_ptr;
|
|---|
| 749 | while ((t = instr(t,"return ")))
|
|---|
| 750 | s = t++;
|
|---|
| 751 | if (s) {
|
|---|
| 752 | i = 0;
|
|---|
| 753 | for (t = s+7; *t; t++) {
|
|---|
| 754 | if (*t == ';' || *t == '}')
|
|---|
| 755 | i++;
|
|---|
| 756 | }
|
|---|
| 757 | if (i == 1) {
|
|---|
| 758 | strcpy(s,s+7);
|
|---|
| 759 | tmp2str->str_cur -= 7;
|
|---|
| 760 | }
|
|---|
| 761 | }
|
|---|
| 762 | str_set(str,"\n");
|
|---|
| 763 | tab(str,level);
|
|---|
| 764 | str_cat(str,"sub ");
|
|---|
| 765 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN));
|
|---|
| 766 | str_cat(str," {\n");
|
|---|
| 767 | tab(str,++level);
|
|---|
| 768 | if (fstr->str_cur) {
|
|---|
| 769 | str_cat(str,"local(");
|
|---|
| 770 | str_scat(str,fstr);
|
|---|
| 771 | str_cat(str,") = @_;");
|
|---|
| 772 | }
|
|---|
| 773 | str_free(fstr);
|
|---|
| 774 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN));
|
|---|
| 775 | str_free(fstr);
|
|---|
| 776 | fixtab(str,level);
|
|---|
| 777 | str_scat(str,fstr=walk(1,level,ops[node+4].ival,&numarg,P_MIN));
|
|---|
| 778 | str_free(fstr);
|
|---|
| 779 | fixtab(str,level);
|
|---|
| 780 | str_scat(str,tmp2str);
|
|---|
| 781 | str_free(tmp2str);
|
|---|
| 782 | fixtab(str,--level);
|
|---|
| 783 | str_cat(str,"}\n");
|
|---|
| 784 | tab(str,level);
|
|---|
| 785 | str_scat(subs,str);
|
|---|
| 786 | str_set(str,"");
|
|---|
| 787 | str_cat(tmpstr,"(");
|
|---|
| 788 | tmp2str = str_new(0);
|
|---|
| 789 | if (subretnum)
|
|---|
| 790 | str_set(tmp2str,"1");
|
|---|
| 791 | hstore(symtab,tmpstr->str_ptr,tmp2str);
|
|---|
| 792 | str_free(tmpstr);
|
|---|
| 793 | level++;
|
|---|
| 794 | break;
|
|---|
| 795 | case ORETURN:
|
|---|
| 796 | str = str_new(0);
|
|---|
| 797 | if (len > 0) {
|
|---|
| 798 | str_cat(str,"return ");
|
|---|
| 799 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_UNI+1));
|
|---|
| 800 | str_free(fstr);
|
|---|
| 801 | if (numarg)
|
|---|
| 802 | subretnum = TRUE;
|
|---|
| 803 | }
|
|---|
| 804 | else
|
|---|
| 805 | str_cat(str,"return");
|
|---|
| 806 | break;
|
|---|
| 807 | case OUSERFUN:
|
|---|
| 808 | str = str_new(0);
|
|---|
| 809 | str_set(str,"&");
|
|---|
| 810 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN));
|
|---|
| 811 | str_free(fstr);
|
|---|
| 812 | str_cat(str,"(");
|
|---|
| 813 | tmpstr = hfetch(symtab,str->str_ptr+3);
|
|---|
| 814 | if (tmpstr && tmpstr->str_ptr)
|
|---|
| 815 | numeric |= atoi(tmpstr->str_ptr);
|
|---|
| 816 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN));
|
|---|
| 817 | str_free(fstr);
|
|---|
| 818 | str_cat(str,")");
|
|---|
| 819 | break;
|
|---|
| 820 | case OGSUB:
|
|---|
| 821 | case OSUB: {
|
|---|
| 822 | int gsub = type == OGSUB ? 1 : 0;
|
|---|
| 823 | str = str_new(0);
|
|---|
| 824 | tmpstr = str_new(0);
|
|---|
| 825 | i = 0;
|
|---|
| 826 | if (len == 3) {
|
|---|
| 827 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MATCH+1);
|
|---|
| 828 | if (strNE(tmpstr->str_ptr,"$_")) {
|
|---|
| 829 | str_cat(tmpstr, " =~ s");
|
|---|
| 830 | i++;
|
|---|
| 831 | }
|
|---|
| 832 | else
|
|---|
| 833 | str_set(tmpstr, "s");
|
|---|
| 834 | }
|
|---|
| 835 | else
|
|---|
| 836 | str_set(tmpstr, "s");
|
|---|
| 837 | type = ops[ops[node+2].ival].ival;
|
|---|
| 838 | len = type >> 8;
|
|---|
| 839 | type &= 255;
|
|---|
| 840 | tmp3str = str_new(0);
|
|---|
| 841 | if (type == OSTR) {
|
|---|
| 842 | tmp2str=walk(1,level,ops[ops[node+2].ival+1].ival,&numarg,P_MIN);
|
|---|
| 843 | for (t = tmp2str->str_ptr, d=tokenbuf; *t; d++,t++) {
|
|---|
| 844 | if (*t == '&')
|
|---|
| 845 | *d++ = '$' + (char)128;
|
|---|
| 846 | else if (*t == '$')
|
|---|
| 847 | *d++ = '\\' + (char)128;
|
|---|
| 848 | *d = *t + 128;
|
|---|
| 849 | }
|
|---|
| 850 | *d = '\0';
|
|---|
| 851 | str_set(tmp2str,tokenbuf);
|
|---|
| 852 | s = (char *) (gsub ? "/g" : "/");
|
|---|
| 853 | }
|
|---|
| 854 | else {
|
|---|
| 855 | tmp2str=walk(1,level,ops[node+2].ival,&numarg,P_MIN);
|
|---|
| 856 | str_set(tmp3str,"($s_ = '\"'.(");
|
|---|
| 857 | str_scat(tmp3str,tmp2str);
|
|---|
| 858 | str_cat(tmp3str,").'\"') =~ s/&/\\$&/g, ");
|
|---|
| 859 | str_set(tmp2str,"eval $s_");
|
|---|
| 860 | s = (char *) (gsub ? "/ge" : "/e");
|
|---|
| 861 | i++;
|
|---|
| 862 | }
|
|---|
| 863 | str_cat(tmp2str,s);
|
|---|
| 864 | type = ops[ops[node+1].ival].ival;
|
|---|
| 865 | len = type >> 8;
|
|---|
| 866 | type &= 255;
|
|---|
| 867 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN);
|
|---|
| 868 | if (type == OREGEX) {
|
|---|
| 869 | if (useval && i)
|
|---|
| 870 | str_cat(str,"(");
|
|---|
| 871 | str_scat(str,tmp3str);
|
|---|
| 872 | str_scat(str,tmpstr);
|
|---|
| 873 | str_scat(str,fstr);
|
|---|
| 874 | str_scat(str,tmp2str);
|
|---|
| 875 | }
|
|---|
| 876 | else if ((type == OFLD && !split_to_array) || (type == OVAR && len == 1)) {
|
|---|
| 877 | if (useval && i)
|
|---|
| 878 | str_cat(str,"(");
|
|---|
| 879 | str_scat(str,tmp3str);
|
|---|
| 880 | str_scat(str,tmpstr);
|
|---|
| 881 | str_cat(str,"/");
|
|---|
| 882 | str_scat(str,fstr);
|
|---|
| 883 | str_cat(str,"/");
|
|---|
| 884 | str_scat(str,tmp2str);
|
|---|
| 885 | }
|
|---|
| 886 | else {
|
|---|
| 887 | i++;
|
|---|
| 888 | if (useval)
|
|---|
| 889 | str_cat(str,"(");
|
|---|
| 890 | str_cat(str,"$s = ");
|
|---|
| 891 | str_scat(str,fstr);
|
|---|
| 892 | str_cat(str,", ");
|
|---|
| 893 | str_scat(str,tmp3str);
|
|---|
| 894 | str_scat(str,tmpstr);
|
|---|
| 895 | str_cat(str,"/$s/");
|
|---|
| 896 | str_scat(str,tmp2str);
|
|---|
| 897 | }
|
|---|
| 898 | if (useval && i)
|
|---|
| 899 | str_cat(str,")");
|
|---|
| 900 | str_free(fstr);
|
|---|
| 901 | str_free(tmpstr);
|
|---|
| 902 | str_free(tmp2str);
|
|---|
| 903 | str_free(tmp3str);
|
|---|
| 904 | numeric = 1;
|
|---|
| 905 | break; }
|
|---|
| 906 | case ONUM:
|
|---|
| 907 | str = walk(1,level,ops[node+1].ival,&numarg,P_MIN);
|
|---|
| 908 | numeric = 1;
|
|---|
| 909 | break;
|
|---|
| 910 | case OSTR:
|
|---|
| 911 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN);
|
|---|
| 912 | s = "'";
|
|---|
| 913 | for (t = tmpstr->str_ptr, d=tokenbuf; *t; d++,t++) {
|
|---|
| 914 | if (*t == '\'')
|
|---|
| 915 | s = "\"";
|
|---|
| 916 | else if (*t == '\\') {
|
|---|
| 917 | s = "\"";
|
|---|
| 918 | *d++ = *t++ + 128;
|
|---|
| 919 | switch (*t) {
|
|---|
| 920 | case '\\': case '"': case 'n': case 't': case '$':
|
|---|
| 921 | break;
|
|---|
| 922 | default: /* hide this from perl */
|
|---|
| 923 | *d++ = '\\' + (char)128;
|
|---|
| 924 | }
|
|---|
| 925 | }
|
|---|
| 926 | *d = *t + 128;
|
|---|
| 927 | }
|
|---|
| 928 | *d = '\0';
|
|---|
| 929 | str = str_new(0);
|
|---|
| 930 | str_set(str,s);
|
|---|
| 931 | str_cat(str,tokenbuf);
|
|---|
| 932 | str_free(tmpstr);
|
|---|
| 933 | str_cat(str,s);
|
|---|
| 934 | break;
|
|---|
| 935 | case ODEFINED:
|
|---|
| 936 | prec = P_UNI;
|
|---|
| 937 | str = str_new(0);
|
|---|
| 938 | str_set(str,"defined $");
|
|---|
| 939 | goto addvar;
|
|---|
| 940 | case ODELETE:
|
|---|
| 941 | str = str_new(0);
|
|---|
| 942 | str_set(str,"delete $");
|
|---|
| 943 | goto addvar;
|
|---|
| 944 | case OSTAR:
|
|---|
| 945 | str = str_new(0);
|
|---|
| 946 | str_set(str,"*");
|
|---|
| 947 | goto addvar;
|
|---|
| 948 | case OVAR:
|
|---|
| 949 | str = str_new(0);
|
|---|
| 950 | str_set(str,"$");
|
|---|
| 951 | addvar:
|
|---|
| 952 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN));
|
|---|
| 953 | if (len == 1) {
|
|---|
| 954 | tmp2str = hfetch(symtab,tmpstr->str_ptr);
|
|---|
| 955 | if (tmp2str && atoi(tmp2str->str_ptr))
|
|---|
| 956 | numeric = 2;
|
|---|
| 957 | if (strEQ(str->str_ptr,"$FNR")) {
|
|---|
| 958 | numeric = 1;
|
|---|
| 959 | saw_FNR++;
|
|---|
| 960 | str_set(str,"($.-$FNRbase)");
|
|---|
| 961 | }
|
|---|
| 962 | else if (strEQ(str->str_ptr,"$NR")) {
|
|---|
| 963 | numeric = 1;
|
|---|
| 964 | str_set(str,"$.");
|
|---|
| 965 | }
|
|---|
| 966 | else if (strEQ(str->str_ptr,"$NF")) {
|
|---|
| 967 | numeric = 1;
|
|---|
| 968 | str_set(str,"$#Fld");
|
|---|
| 969 | }
|
|---|
| 970 | else if (strEQ(str->str_ptr,"$0"))
|
|---|
| 971 | str_set(str,"$_");
|
|---|
| 972 | else if (strEQ(str->str_ptr,"$ARGC"))
|
|---|
| 973 | str_set(str,"($#ARGV+1)");
|
|---|
| 974 | }
|
|---|
| 975 | else {
|
|---|
| 976 | #ifdef NOTDEF
|
|---|
| 977 | if (curargs) {
|
|---|
| 978 | sprintf(tokenbuf,"$%s,",tmpstr->str_ptr);
|
|---|
| 979 | ??? if (instr(curargs->str_ptr,tokenbuf))
|
|---|
| 980 | str_cat(str,"\377"); /* can't translate yet */
|
|---|
| 981 | }
|
|---|
| 982 | #endif
|
|---|
| 983 | str_cat(tmpstr,"[]");
|
|---|
| 984 | tmp2str = hfetch(symtab,tmpstr->str_ptr);
|
|---|
| 985 | if (tmp2str && atoi(tmp2str->str_ptr))
|
|---|
| 986 | str_cat(str,"[");
|
|---|
| 987 | else
|
|---|
| 988 | str_cat(str,"{");
|
|---|
| 989 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN));
|
|---|
| 990 | str_free(fstr);
|
|---|
| 991 | if (strEQ(str->str_ptr,"$ARGV[0")) {
|
|---|
| 992 | str_set(str,"$ARGV0");
|
|---|
| 993 | saw_argv0++;
|
|---|
| 994 | }
|
|---|
| 995 | else {
|
|---|
| 996 | if (tmp2str && atoi(tmp2str->str_ptr))
|
|---|
| 997 | strcpy(tokenbuf,"]");
|
|---|
| 998 | else
|
|---|
| 999 | strcpy(tokenbuf,"}");
|
|---|
| 1000 | *tokenbuf += (char)128;
|
|---|
| 1001 | str_cat(str,tokenbuf);
|
|---|
| 1002 | }
|
|---|
| 1003 | }
|
|---|
| 1004 | str_free(tmpstr);
|
|---|
| 1005 | break;
|
|---|
| 1006 | case OFLD:
|
|---|
| 1007 | str = str_new(0);
|
|---|
| 1008 | if (split_to_array) {
|
|---|
| 1009 | str_set(str,"$Fld");
|
|---|
| 1010 | str_cat(str,"[");
|
|---|
| 1011 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN));
|
|---|
| 1012 | str_free(fstr);
|
|---|
| 1013 | str_cat(str,"]");
|
|---|
| 1014 | }
|
|---|
| 1015 | else {
|
|---|
| 1016 | i = atoi(walk(1,level,ops[node+1].ival,&numarg,P_MIN)->str_ptr);
|
|---|
| 1017 | if (i <= arymax)
|
|---|
| 1018 | sprintf(tokenbuf,"$%s",nameary[i]);
|
|---|
| 1019 | else
|
|---|
| 1020 | sprintf(tokenbuf,"$Fld%d",i);
|
|---|
| 1021 | str_set(str,tokenbuf);
|
|---|
| 1022 | }
|
|---|
| 1023 | break;
|
|---|
| 1024 | case OVFLD:
|
|---|
| 1025 | str = str_new(0);
|
|---|
| 1026 | str_set(str,"$Fld[");
|
|---|
| 1027 | i = ops[node+1].ival;
|
|---|
| 1028 | if ((ops[i].ival & 255) == OPAREN)
|
|---|
| 1029 | i = ops[i+1].ival;
|
|---|
| 1030 | tmpstr=walk(1,level,i,&numarg,P_MIN);
|
|---|
| 1031 | str_scat(str,tmpstr);
|
|---|
| 1032 | str_free(tmpstr);
|
|---|
| 1033 | str_cat(str,"]");
|
|---|
| 1034 | break;
|
|---|
| 1035 | case OJUNK:
|
|---|
| 1036 | goto def;
|
|---|
| 1037 | case OSNEWLINE:
|
|---|
| 1038 | str = str_new(2);
|
|---|
| 1039 | str_set(str,";\n");
|
|---|
| 1040 | tab(str,level);
|
|---|
| 1041 | break;
|
|---|
| 1042 | case ONEWLINE:
|
|---|
| 1043 | str = str_new(1);
|
|---|
| 1044 | str_set(str,"\n");
|
|---|
| 1045 | tab(str,level);
|
|---|
| 1046 | break;
|
|---|
| 1047 | case OSCOMMENT:
|
|---|
| 1048 | str = str_new(0);
|
|---|
| 1049 | str_set(str,";");
|
|---|
| 1050 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN);
|
|---|
| 1051 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++)
|
|---|
| 1052 | *s += (char)128;
|
|---|
| 1053 | str_scat(str,tmpstr);
|
|---|
| 1054 | str_free(tmpstr);
|
|---|
| 1055 | tab(str,level);
|
|---|
| 1056 | break;
|
|---|
| 1057 | case OCOMMENT:
|
|---|
| 1058 | str = str_new(0);
|
|---|
| 1059 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN);
|
|---|
| 1060 | for (s = tmpstr->str_ptr; *s && *s != '\n'; s++)
|
|---|
| 1061 | *s += (char)128;
|
|---|
| 1062 | str_scat(str,tmpstr);
|
|---|
| 1063 | str_free(tmpstr);
|
|---|
| 1064 | tab(str,level);
|
|---|
| 1065 | break;
|
|---|
| 1066 | case OCOMMA:
|
|---|
| 1067 | prec = P_COMMA;
|
|---|
| 1068 | str = walk(1,level,ops[node+1].ival,&numarg,prec);
|
|---|
| 1069 | str_cat(str,", ");
|
|---|
| 1070 | str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN));
|
|---|
| 1071 | str_free(fstr);
|
|---|
| 1072 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,prec+1));
|
|---|
| 1073 | str_free(fstr);
|
|---|
| 1074 | break;
|
|---|
| 1075 | case OSEMICOLON:
|
|---|
| 1076 | str = str_new(1);
|
|---|
| 1077 | str_set(str,";\n");
|
|---|
| 1078 | tab(str,level);
|
|---|
| 1079 | break;
|
|---|
| 1080 | case OSTATES:
|
|---|
| 1081 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN);
|
|---|
| 1082 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN));
|
|---|
| 1083 | str_free(fstr);
|
|---|
| 1084 | break;
|
|---|
| 1085 | case OSTATE:
|
|---|
| 1086 | str = str_new(0);
|
|---|
| 1087 | if (len >= 1) {
|
|---|
| 1088 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN));
|
|---|
| 1089 | str_free(fstr);
|
|---|
| 1090 | if (len >= 2) {
|
|---|
| 1091 | tmpstr = walk(0,level,ops[node+2].ival,&numarg,P_MIN);
|
|---|
| 1092 | if (*tmpstr->str_ptr == ';') {
|
|---|
| 1093 | addsemi(str);
|
|---|
| 1094 | str_cat(str,tmpstr->str_ptr+1);
|
|---|
| 1095 | }
|
|---|
| 1096 | str_free(tmpstr);
|
|---|
| 1097 | }
|
|---|
| 1098 | }
|
|---|
| 1099 | break;
|
|---|
| 1100 | case OCLOSE:
|
|---|
| 1101 | str = str_make("close(");
|
|---|
| 1102 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN);
|
|---|
| 1103 | if (!do_fancy_opens) {
|
|---|
| 1104 | t = tmpstr->str_ptr;
|
|---|
| 1105 | if (*t == '"' || *t == '\'')
|
|---|
| 1106 | t = cpytill(tokenbuf,t+1,*t);
|
|---|
| 1107 | else
|
|---|
| 1108 | fatal("Internal error: OCLOSE %s",t);
|
|---|
| 1109 | s = savestr(tokenbuf);
|
|---|
| 1110 | for (t = tokenbuf; *t; t++) {
|
|---|
| 1111 | *t &= 127;
|
|---|
| 1112 | if (isLOWER(*t))
|
|---|
| 1113 | *t = toUPPER(*t);
|
|---|
| 1114 | if (!isALPHA(*t) && !isDIGIT(*t))
|
|---|
| 1115 | *t = '_';
|
|---|
| 1116 | }
|
|---|
| 1117 | if (!strchr(tokenbuf,'_'))
|
|---|
| 1118 | strcpy(t,"_FH");
|
|---|
| 1119 | str_free(tmpstr);
|
|---|
| 1120 | safefree(s);
|
|---|
| 1121 | str_set(str,"close ");
|
|---|
| 1122 | str_cat(str,tokenbuf);
|
|---|
| 1123 | }
|
|---|
| 1124 | else {
|
|---|
| 1125 | sprintf(tokenbuf,"delete $opened{%s} && close(%s)",
|
|---|
| 1126 | tmpstr->str_ptr, tmpstr->str_ptr);
|
|---|
| 1127 | str_free(tmpstr);
|
|---|
| 1128 | str_set(str,tokenbuf);
|
|---|
| 1129 | }
|
|---|
| 1130 | break;
|
|---|
| 1131 | case OPRINTF:
|
|---|
| 1132 | case OPRINT:
|
|---|
| 1133 | lparen = ""; /* set to parens if necessary */
|
|---|
| 1134 | rparen = "";
|
|---|
| 1135 | str = str_new(0);
|
|---|
| 1136 | if (len == 3) { /* output redirection */
|
|---|
| 1137 | tmpstr = walk(1,level,ops[node+3].ival,&numarg,P_MIN);
|
|---|
| 1138 | tmp2str = walk(1,level,ops[node+2].ival,&numarg,P_MIN);
|
|---|
| 1139 | if (!do_fancy_opens) {
|
|---|
| 1140 | t = tmpstr->str_ptr;
|
|---|
| 1141 | if (*t == '"' || *t == '\'')
|
|---|
| 1142 | t = cpytill(tokenbuf,t+1,*t);
|
|---|
| 1143 | else
|
|---|
| 1144 | fatal("Internal error: OPRINT");
|
|---|
| 1145 | d = savestr(t);
|
|---|
| 1146 | s = savestr(tokenbuf);
|
|---|
| 1147 | for (t = tokenbuf; *t; t++) {
|
|---|
| 1148 | *t &= 127;
|
|---|
| 1149 | if (isLOWER(*t))
|
|---|
| 1150 | *t = toUPPER(*t);
|
|---|
| 1151 | if (!isALPHA(*t) && !isDIGIT(*t))
|
|---|
| 1152 | *t = '_';
|
|---|
| 1153 | }
|
|---|
| 1154 | if (!strchr(tokenbuf,'_'))
|
|---|
| 1155 | strcpy(t,"_FH");
|
|---|
| 1156 | tmp3str = hfetch(symtab,tokenbuf);
|
|---|
| 1157 | if (!tmp3str) {
|
|---|
| 1158 | str_cat(opens,"open(");
|
|---|
| 1159 | str_cat(opens,tokenbuf);
|
|---|
| 1160 | str_cat(opens,", ");
|
|---|
| 1161 | d[1] = '\0';
|
|---|
| 1162 | str_cat(opens,d);
|
|---|
| 1163 | str_scat(opens,tmp2str);
|
|---|
| 1164 | str_cat(opens,tmpstr->str_ptr+1);
|
|---|
| 1165 | if (*tmp2str->str_ptr == '|')
|
|---|
| 1166 | str_cat(opens,") || die 'Cannot pipe to \"");
|
|---|
| 1167 | else
|
|---|
| 1168 | str_cat(opens,") || die 'Cannot create file \"");
|
|---|
| 1169 | if (*d == '"')
|
|---|
| 1170 | str_cat(opens,"'.\"");
|
|---|
| 1171 | str_cat(opens,s);
|
|---|
| 1172 | if (*d == '"')
|
|---|
| 1173 | str_cat(opens,"\".'");
|
|---|
| 1174 | str_cat(opens,"\".';\n");
|
|---|
| 1175 | hstore(symtab,tokenbuf,str_make("x"));
|
|---|
| 1176 | }
|
|---|
| 1177 | str_free(tmpstr);
|
|---|
| 1178 | str_free(tmp2str);
|
|---|
| 1179 | safefree(s);
|
|---|
| 1180 | safefree(d);
|
|---|
| 1181 | }
|
|---|
| 1182 | else {
|
|---|
| 1183 | sprintf(tokenbuf,"&Pick('%s', %s) &&\n",
|
|---|
| 1184 | tmp2str->str_ptr, tmpstr->str_ptr);
|
|---|
| 1185 | str_cat(str,tokenbuf);
|
|---|
| 1186 | tab(str,level+1);
|
|---|
| 1187 | strcpy(tokenbuf,"$fh");
|
|---|
| 1188 | str_free(tmpstr);
|
|---|
| 1189 | str_free(tmp2str);
|
|---|
| 1190 | lparen = "(";
|
|---|
| 1191 | rparen = ")";
|
|---|
| 1192 | }
|
|---|
| 1193 | }
|
|---|
| 1194 | else
|
|---|
| 1195 | strcpy(tokenbuf,"");
|
|---|
| 1196 | str_cat(str,lparen); /* may be null */
|
|---|
| 1197 | if (type == OPRINTF)
|
|---|
| 1198 | str_cat(str,"printf");
|
|---|
| 1199 | else
|
|---|
| 1200 | str_cat(str,"print");
|
|---|
| 1201 | saw_fh = 0;
|
|---|
| 1202 | if (len == 3 || do_fancy_opens) {
|
|---|
| 1203 | if (*tokenbuf) {
|
|---|
| 1204 | str_cat(str," ");
|
|---|
| 1205 | saw_fh = 1;
|
|---|
| 1206 | }
|
|---|
| 1207 | str_cat(str,tokenbuf);
|
|---|
| 1208 | }
|
|---|
| 1209 | tmpstr = walk(1+(type==OPRINT),level,ops[node+1].ival,&numarg,P_MIN);
|
|---|
| 1210 | if (!*tmpstr->str_ptr && lval_field) {
|
|---|
| 1211 | t = (char*)(saw_OFS ? "$," : "' '");
|
|---|
| 1212 | if (split_to_array) {
|
|---|
| 1213 | sprintf(tokenbuf,"join(%s,@Fld)",t);
|
|---|
| 1214 | str_cat(tmpstr,tokenbuf);
|
|---|
| 1215 | }
|
|---|
| 1216 | else {
|
|---|
| 1217 | for (i = 1; i < maxfld; i++) {
|
|---|
| 1218 | if (i <= arymax)
|
|---|
| 1219 | sprintf(tokenbuf,"$%s, ",nameary[i]);
|
|---|
| 1220 | else
|
|---|
| 1221 | sprintf(tokenbuf,"$Fld%d, ",i);
|
|---|
| 1222 | str_cat(tmpstr,tokenbuf);
|
|---|
| 1223 | }
|
|---|
| 1224 | if (maxfld <= arymax)
|
|---|
| 1225 | sprintf(tokenbuf,"$%s",nameary[maxfld]);
|
|---|
| 1226 | else
|
|---|
| 1227 | sprintf(tokenbuf,"$Fld%d",maxfld);
|
|---|
| 1228 | str_cat(tmpstr,tokenbuf);
|
|---|
| 1229 | }
|
|---|
| 1230 | }
|
|---|
| 1231 | if (*tmpstr->str_ptr) {
|
|---|
| 1232 | str_cat(str," ");
|
|---|
| 1233 | if (!saw_fh && *tmpstr->str_ptr == '(') {
|
|---|
| 1234 | str_cat(str,"(");
|
|---|
| 1235 | str_scat(str,tmpstr);
|
|---|
| 1236 | str_cat(str,")");
|
|---|
| 1237 | }
|
|---|
| 1238 | else
|
|---|
| 1239 | str_scat(str,tmpstr);
|
|---|
| 1240 | }
|
|---|
| 1241 | else {
|
|---|
| 1242 | str_cat(str," $_");
|
|---|
| 1243 | }
|
|---|
| 1244 | str_cat(str,rparen); /* may be null */
|
|---|
| 1245 | str_free(tmpstr);
|
|---|
| 1246 | break;
|
|---|
| 1247 | case ORAND:
|
|---|
| 1248 | str = str_make("rand(1)");
|
|---|
| 1249 | break;
|
|---|
| 1250 | case OSRAND:
|
|---|
| 1251 | str = str_make("srand(");
|
|---|
| 1252 | goto maybe0;
|
|---|
| 1253 | case OATAN2:
|
|---|
| 1254 | str = str_make("atan2(");
|
|---|
| 1255 | goto maybe0;
|
|---|
| 1256 | case OSIN:
|
|---|
| 1257 | str = str_make("sin(");
|
|---|
| 1258 | goto maybe0;
|
|---|
| 1259 | case OCOS:
|
|---|
| 1260 | str = str_make("cos(");
|
|---|
| 1261 | goto maybe0;
|
|---|
| 1262 | case OSYSTEM:
|
|---|
| 1263 | str = str_make("system(");
|
|---|
| 1264 | goto maybe0;
|
|---|
| 1265 | case OLENGTH:
|
|---|
| 1266 | str = str_make("length(");
|
|---|
| 1267 | goto maybe0;
|
|---|
| 1268 | case OLOG:
|
|---|
| 1269 | str = str_make("log(");
|
|---|
| 1270 | goto maybe0;
|
|---|
| 1271 | case OEXP:
|
|---|
| 1272 | str = str_make("exp(");
|
|---|
| 1273 | goto maybe0;
|
|---|
| 1274 | case OSQRT:
|
|---|
| 1275 | str = str_make("sqrt(");
|
|---|
| 1276 | goto maybe0;
|
|---|
| 1277 | case OINT:
|
|---|
| 1278 | str = str_make("int(");
|
|---|
| 1279 | maybe0:
|
|---|
| 1280 | numeric = 1;
|
|---|
| 1281 | if (len > 0)
|
|---|
| 1282 | tmpstr = walk(1,level,ops[node+1].ival,&numarg,P_MIN);
|
|---|
| 1283 | else
|
|---|
| 1284 | tmpstr = str_new(0);
|
|---|
| 1285 | if (!tmpstr->str_ptr || !*tmpstr->str_ptr) {
|
|---|
| 1286 | if (lval_field) {
|
|---|
| 1287 | t = (char*)(saw_OFS ? "$," : "' '");
|
|---|
| 1288 | if (split_to_array) {
|
|---|
| 1289 | sprintf(tokenbuf,"join(%s,@Fld)",t);
|
|---|
| 1290 | str_cat(tmpstr,tokenbuf);
|
|---|
| 1291 | }
|
|---|
| 1292 | else {
|
|---|
| 1293 | sprintf(tokenbuf,"join(%s, ",t);
|
|---|
| 1294 | str_cat(tmpstr,tokenbuf);
|
|---|
| 1295 | for (i = 1; i < maxfld; i++) {
|
|---|
| 1296 | if (i <= arymax)
|
|---|
| 1297 | sprintf(tokenbuf,"$%s,",nameary[i]);
|
|---|
| 1298 | else
|
|---|
| 1299 | sprintf(tokenbuf,"$Fld%d,",i);
|
|---|
| 1300 | str_cat(tmpstr,tokenbuf);
|
|---|
| 1301 | }
|
|---|
| 1302 | if (maxfld <= arymax)
|
|---|
| 1303 | sprintf(tokenbuf,"$%s)",nameary[maxfld]);
|
|---|
| 1304 | else
|
|---|
| 1305 | sprintf(tokenbuf,"$Fld%d)",maxfld);
|
|---|
| 1306 | str_cat(tmpstr,tokenbuf);
|
|---|
| 1307 | }
|
|---|
| 1308 | }
|
|---|
| 1309 | else
|
|---|
| 1310 | str_cat(tmpstr,"$_");
|
|---|
| 1311 | }
|
|---|
| 1312 | if (strEQ(tmpstr->str_ptr,"$_")) {
|
|---|
| 1313 | if (type == OLENGTH && !do_chop) {
|
|---|
| 1314 | str = str_make("(length(");
|
|---|
| 1315 | str_cat(tmpstr,") - 1");
|
|---|
| 1316 | }
|
|---|
| 1317 | }
|
|---|
| 1318 | str_scat(str,tmpstr);
|
|---|
| 1319 | str_free(tmpstr);
|
|---|
| 1320 | str_cat(str,")");
|
|---|
| 1321 | break;
|
|---|
| 1322 | case OBREAK:
|
|---|
| 1323 | str = str_new(0);
|
|---|
| 1324 | str_set(str,"last");
|
|---|
| 1325 | break;
|
|---|
| 1326 | case ONEXT:
|
|---|
| 1327 | str = str_new(0);
|
|---|
| 1328 | str_set(str,"next line");
|
|---|
| 1329 | break;
|
|---|
| 1330 | case OEXIT:
|
|---|
| 1331 | str = str_new(0);
|
|---|
| 1332 | if (realexit) {
|
|---|
| 1333 | prec = P_UNI;
|
|---|
| 1334 | str_set(str,"exit");
|
|---|
| 1335 | if (len == 1) {
|
|---|
| 1336 | str_cat(str," ");
|
|---|
| 1337 | exitval = TRUE;
|
|---|
| 1338 | str_scat(str,
|
|---|
| 1339 | fstr=walk(1,level,ops[node+1].ival,&numarg,prec+1));
|
|---|
| 1340 | str_free(fstr);
|
|---|
| 1341 | }
|
|---|
| 1342 | }
|
|---|
| 1343 | else {
|
|---|
| 1344 | if (len == 1) {
|
|---|
| 1345 | str_set(str,"$ExitValue = ");
|
|---|
| 1346 | exitval = TRUE;
|
|---|
| 1347 | str_scat(str,
|
|---|
| 1348 | fstr=walk(1,level,ops[node+1].ival,&numarg,P_ASSIGN));
|
|---|
| 1349 | str_free(fstr);
|
|---|
| 1350 | str_cat(str,"; ");
|
|---|
| 1351 | }
|
|---|
| 1352 | str_cat(str,"last line");
|
|---|
| 1353 | }
|
|---|
| 1354 | break;
|
|---|
| 1355 | case OCONTINUE:
|
|---|
| 1356 | str = str_new(0);
|
|---|
| 1357 | str_set(str,"next");
|
|---|
| 1358 | break;
|
|---|
| 1359 | case OREDIR:
|
|---|
| 1360 | goto def;
|
|---|
| 1361 | case OIF:
|
|---|
| 1362 | str = str_new(0);
|
|---|
| 1363 | str_set(str,"if (");
|
|---|
| 1364 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN));
|
|---|
| 1365 | str_free(fstr);
|
|---|
| 1366 | str_cat(str,") ");
|
|---|
| 1367 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN));
|
|---|
| 1368 | str_free(fstr);
|
|---|
| 1369 | if (len == 3) {
|
|---|
| 1370 | i = ops[node+3].ival;
|
|---|
| 1371 | if (i) {
|
|---|
| 1372 | if ((ops[i].ival & 255) == OBLOCK) {
|
|---|
| 1373 | i = ops[i+1].ival;
|
|---|
| 1374 | if (i) {
|
|---|
| 1375 | if ((ops[i].ival & 255) != OIF)
|
|---|
| 1376 | i = 0;
|
|---|
| 1377 | }
|
|---|
| 1378 | }
|
|---|
| 1379 | else
|
|---|
| 1380 | i = 0;
|
|---|
| 1381 | }
|
|---|
| 1382 | if (i) {
|
|---|
| 1383 | str_cat(str,"els");
|
|---|
| 1384 | str_scat(str,fstr=walk(0,level,i,&numarg,P_MIN));
|
|---|
| 1385 | str_free(fstr);
|
|---|
| 1386 | }
|
|---|
| 1387 | else {
|
|---|
| 1388 | str_cat(str,"else ");
|
|---|
| 1389 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN));
|
|---|
| 1390 | str_free(fstr);
|
|---|
| 1391 | }
|
|---|
| 1392 | }
|
|---|
| 1393 | break;
|
|---|
| 1394 | case OWHILE:
|
|---|
| 1395 | str = str_new(0);
|
|---|
| 1396 | str_set(str,"while (");
|
|---|
| 1397 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN));
|
|---|
| 1398 | str_free(fstr);
|
|---|
| 1399 | str_cat(str,") ");
|
|---|
| 1400 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN));
|
|---|
| 1401 | str_free(fstr);
|
|---|
| 1402 | break;
|
|---|
| 1403 | case ODO:
|
|---|
| 1404 | str = str_new(0);
|
|---|
| 1405 | str_set(str,"do ");
|
|---|
| 1406 | str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN));
|
|---|
| 1407 | str_free(fstr);
|
|---|
| 1408 | if (str->str_ptr[str->str_cur - 1] == '\n')
|
|---|
| 1409 | --str->str_cur;
|
|---|
| 1410 | str_cat(str," while (");
|
|---|
| 1411 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN));
|
|---|
| 1412 | str_free(fstr);
|
|---|
| 1413 | str_cat(str,");");
|
|---|
| 1414 | break;
|
|---|
| 1415 | case OFOR:
|
|---|
| 1416 | str = str_new(0);
|
|---|
| 1417 | str_set(str,"for (");
|
|---|
| 1418 | str_scat(str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN));
|
|---|
| 1419 | i = numarg;
|
|---|
| 1420 | if (i) {
|
|---|
| 1421 | t = s = tmpstr->str_ptr;
|
|---|
| 1422 | while (isALPHA(*t) || isDIGIT(*t) || *t == '$' || *t == '_')
|
|---|
| 1423 | t++;
|
|---|
| 1424 | i = t - s;
|
|---|
| 1425 | if (i < 2)
|
|---|
| 1426 | i = 0;
|
|---|
| 1427 | }
|
|---|
| 1428 | str_cat(str,"; ");
|
|---|
| 1429 | fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN);
|
|---|
| 1430 | if (i && (t = strchr(fstr->str_ptr,0377))) {
|
|---|
| 1431 | if (strnEQ(fstr->str_ptr,s,i))
|
|---|
| 1432 | *t = ' ';
|
|---|
| 1433 | }
|
|---|
| 1434 | str_scat(str,fstr);
|
|---|
| 1435 | str_free(fstr);
|
|---|
| 1436 | str_free(tmpstr);
|
|---|
| 1437 | str_cat(str,"; ");
|
|---|
| 1438 | str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_MIN));
|
|---|
| 1439 | str_free(fstr);
|
|---|
| 1440 | str_cat(str,") ");
|
|---|
| 1441 | str_scat(str,fstr=walk(0,level,ops[node+4].ival,&numarg,P_MIN));
|
|---|
| 1442 | str_free(fstr);
|
|---|
| 1443 | break;
|
|---|
| 1444 | case OFORIN:
|
|---|
| 1445 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN);
|
|---|
| 1446 | d = strchr(tmpstr->str_ptr,'$');
|
|---|
| 1447 | if (!d)
|
|---|
| 1448 | fatal("Illegal for loop: %s",tmpstr->str_ptr);
|
|---|
| 1449 | s = strchr(d,'{');
|
|---|
| 1450 | if (!s)
|
|---|
| 1451 | s = strchr(d,'[');
|
|---|
| 1452 | if (!s)
|
|---|
| 1453 | fatal("Illegal for loop: %s",d);
|
|---|
| 1454 | *s++ = '\0';
|
|---|
| 1455 | for (t = s; (i = *t); t++) {
|
|---|
| 1456 | i &= 127;
|
|---|
| 1457 | if (i == '}' || i == ']')
|
|---|
| 1458 | break;
|
|---|
| 1459 | }
|
|---|
| 1460 | if (*t)
|
|---|
| 1461 | *t = '\0';
|
|---|
| 1462 | str = str_new(0);
|
|---|
| 1463 | str_set(str,d+1);
|
|---|
| 1464 | str_cat(str,"[]");
|
|---|
| 1465 | tmp2str = hfetch(symtab,str->str_ptr);
|
|---|
| 1466 | if (tmp2str && atoi(tmp2str->str_ptr)) {
|
|---|
| 1467 | sprintf(tokenbuf,
|
|---|
| 1468 | "foreach %s ($[ .. $#%s) ",
|
|---|
| 1469 | s,
|
|---|
| 1470 | d+1);
|
|---|
| 1471 | }
|
|---|
| 1472 | else {
|
|---|
| 1473 | sprintf(tokenbuf,
|
|---|
| 1474 | "foreach %s (keys %%%s) ",
|
|---|
| 1475 | s,
|
|---|
| 1476 | d+1);
|
|---|
| 1477 | }
|
|---|
| 1478 | str_set(str,tokenbuf);
|
|---|
| 1479 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN));
|
|---|
| 1480 | str_free(fstr);
|
|---|
| 1481 | str_free(tmpstr);
|
|---|
| 1482 | break;
|
|---|
| 1483 | case OBLOCK:
|
|---|
| 1484 | str = str_new(0);
|
|---|
| 1485 | str_set(str,"{");
|
|---|
| 1486 | if (len >= 2 && ops[node+2].ival) {
|
|---|
| 1487 | str_scat(str,fstr=walk(0,level,ops[node+2].ival,&numarg,P_MIN));
|
|---|
| 1488 | str_free(fstr);
|
|---|
| 1489 | }
|
|---|
| 1490 | fixtab(str,++level);
|
|---|
| 1491 | str_scat(str,fstr=walk(0,level,ops[node+1].ival,&numarg,P_MIN));
|
|---|
| 1492 | str_free(fstr);
|
|---|
| 1493 | addsemi(str);
|
|---|
| 1494 | fixtab(str,--level);
|
|---|
| 1495 | str_cat(str,"}\n");
|
|---|
| 1496 | tab(str,level);
|
|---|
| 1497 | if (len >= 3) {
|
|---|
| 1498 | str_scat(str,fstr=walk(0,level,ops[node+3].ival,&numarg,P_MIN));
|
|---|
| 1499 | str_free(fstr);
|
|---|
| 1500 | }
|
|---|
| 1501 | break;
|
|---|
| 1502 | default:
|
|---|
| 1503 | def:
|
|---|
| 1504 | if (len) {
|
|---|
| 1505 | if (len > 5)
|
|---|
| 1506 | fatal("Garbage length in walk");
|
|---|
| 1507 | str = walk(0,level,ops[node+1].ival,&numarg,P_MIN);
|
|---|
| 1508 | for (i = 2; i<= len; i++) {
|
|---|
| 1509 | str_scat(str,fstr=walk(0,level,ops[node+i].ival,&numarg,P_MIN));
|
|---|
| 1510 | str_free(fstr);
|
|---|
| 1511 | }
|
|---|
| 1512 | }
|
|---|
| 1513 | else {
|
|---|
| 1514 | str = Nullstr;
|
|---|
| 1515 | }
|
|---|
| 1516 | break;
|
|---|
| 1517 | }
|
|---|
| 1518 | if (!str)
|
|---|
| 1519 | str = str_new(0);
|
|---|
| 1520 |
|
|---|
| 1521 | if (useval && prec < minprec) { /* need parens? */
|
|---|
| 1522 | fstr = str_new(str->str_cur+2);
|
|---|
| 1523 | str_nset(fstr,"(",1);
|
|---|
| 1524 | str_scat(fstr,str);
|
|---|
| 1525 | str_ncat(fstr,")",1);
|
|---|
| 1526 | str_free(str);
|
|---|
| 1527 | str = fstr;
|
|---|
| 1528 | }
|
|---|
| 1529 |
|
|---|
| 1530 | *numericptr = numeric;
|
|---|
| 1531 | #ifdef DEBUGGING
|
|---|
| 1532 | if (debug & 4) {
|
|---|
| 1533 | printf("%3d %5d %15s %d %4d ",level,node,opname[type],len,str->str_cur);
|
|---|
| 1534 | for (t = str->str_ptr; *t && t - str->str_ptr < 40; t++)
|
|---|
| 1535 | if (*t == '\n')
|
|---|
| 1536 | printf("\\n");
|
|---|
| 1537 | else if (*t == '\t')
|
|---|
| 1538 | printf("\\t");
|
|---|
| 1539 | else
|
|---|
| 1540 | putchar(*t);
|
|---|
| 1541 | putchar('\n');
|
|---|
| 1542 | }
|
|---|
| 1543 | #endif
|
|---|
| 1544 | return str;
|
|---|
| 1545 | }
|
|---|
| 1546 |
|
|---|
| 1547 | static void
|
|---|
| 1548 | tab(register STR *str, register int lvl)
|
|---|
| 1549 | {
|
|---|
| 1550 | while (lvl > 1) {
|
|---|
| 1551 | str_cat(str,"\t");
|
|---|
| 1552 | lvl -= 2;
|
|---|
| 1553 | }
|
|---|
| 1554 | if (lvl)
|
|---|
| 1555 | str_cat(str," ");
|
|---|
| 1556 | }
|
|---|
| 1557 |
|
|---|
| 1558 | static void
|
|---|
| 1559 | fixtab(register STR *str, register int lvl)
|
|---|
| 1560 | {
|
|---|
| 1561 | register char *s;
|
|---|
| 1562 |
|
|---|
| 1563 | /* strip trailing white space */
|
|---|
| 1564 |
|
|---|
| 1565 | s = str->str_ptr+str->str_cur - 1;
|
|---|
| 1566 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n'))
|
|---|
| 1567 | s--;
|
|---|
| 1568 | s[1] = '\0';
|
|---|
| 1569 | str->str_cur = s + 1 - str->str_ptr;
|
|---|
| 1570 | if (s >= str->str_ptr && *s != '\n')
|
|---|
| 1571 | str_cat(str,"\n");
|
|---|
| 1572 |
|
|---|
| 1573 | tab(str,lvl);
|
|---|
| 1574 | }
|
|---|
| 1575 |
|
|---|
| 1576 | static void
|
|---|
| 1577 | addsemi(register STR *str)
|
|---|
| 1578 | {
|
|---|
| 1579 | register char *s;
|
|---|
| 1580 |
|
|---|
| 1581 | s = str->str_ptr+str->str_cur - 1;
|
|---|
| 1582 | while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n'))
|
|---|
| 1583 | s--;
|
|---|
| 1584 | if (s >= str->str_ptr && *s != ';' && *s != '}')
|
|---|
| 1585 | str_cat(str,";");
|
|---|
| 1586 | }
|
|---|
| 1587 |
|
|---|
| 1588 | static void
|
|---|
| 1589 | emit_split(register STR *str, int level)
|
|---|
| 1590 | {
|
|---|
| 1591 | register int i;
|
|---|
| 1592 |
|
|---|
| 1593 | if (split_to_array)
|
|---|
| 1594 | str_cat(str,"@Fld");
|
|---|
| 1595 | else {
|
|---|
| 1596 | str_cat(str,"(");
|
|---|
| 1597 | for (i = 1; i < maxfld; i++) {
|
|---|
| 1598 | if (i <= arymax)
|
|---|
| 1599 | sprintf(tokenbuf,"$%s,",nameary[i]);
|
|---|
| 1600 | else
|
|---|
| 1601 | sprintf(tokenbuf,"$Fld%d,",i);
|
|---|
| 1602 | str_cat(str,tokenbuf);
|
|---|
| 1603 | }
|
|---|
| 1604 | if (maxfld <= arymax)
|
|---|
| 1605 | sprintf(tokenbuf,"$%s)",nameary[maxfld]);
|
|---|
| 1606 | else
|
|---|
| 1607 | sprintf(tokenbuf,"$Fld%d)",maxfld);
|
|---|
| 1608 | str_cat(str,tokenbuf);
|
|---|
| 1609 | }
|
|---|
| 1610 | if (const_FS) {
|
|---|
| 1611 | sprintf(tokenbuf," = split(/[%c\\n]/, $_, -1);\n",const_FS);
|
|---|
| 1612 | str_cat(str,tokenbuf);
|
|---|
| 1613 | }
|
|---|
| 1614 | else if (saw_FS)
|
|---|
| 1615 | str_cat(str," = split($FS, $_, -1);\n");
|
|---|
| 1616 | else
|
|---|
| 1617 | str_cat(str," = split(' ', $_, -1);\n");
|
|---|
| 1618 | tab(str,level);
|
|---|
| 1619 | }
|
|---|
| 1620 |
|
|---|
| 1621 | int
|
|---|
| 1622 | prewalk(int numit, int level, register int node, int *numericptr)
|
|---|
| 1623 | {
|
|---|
| 1624 | register int len;
|
|---|
| 1625 | register int type;
|
|---|
| 1626 | register int i;
|
|---|
| 1627 | int numarg;
|
|---|
| 1628 | int numeric = FALSE;
|
|---|
| 1629 | STR *tmpstr;
|
|---|
| 1630 | STR *tmp2str;
|
|---|
| 1631 |
|
|---|
| 1632 | if (!node) {
|
|---|
| 1633 | *numericptr = 0;
|
|---|
| 1634 | return 0;
|
|---|
| 1635 | }
|
|---|
| 1636 | type = ops[node].ival;
|
|---|
| 1637 | len = type >> 8;
|
|---|
| 1638 | type &= 255;
|
|---|
| 1639 | switch (type) {
|
|---|
| 1640 | case OPROG:
|
|---|
| 1641 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1642 | if (ops[node+2].ival) {
|
|---|
| 1643 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1644 | }
|
|---|
| 1645 | ++level;
|
|---|
| 1646 | prewalk(0,level,ops[node+3].ival,&numarg);
|
|---|
| 1647 | --level;
|
|---|
| 1648 | if (ops[node+3].ival) {
|
|---|
| 1649 | prewalk(0,level,ops[node+4].ival,&numarg);
|
|---|
| 1650 | }
|
|---|
| 1651 | break;
|
|---|
| 1652 | case OHUNKS:
|
|---|
| 1653 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1654 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1655 | if (len == 3) {
|
|---|
| 1656 | prewalk(0,level,ops[node+3].ival,&numarg);
|
|---|
| 1657 | }
|
|---|
| 1658 | break;
|
|---|
| 1659 | case ORANGE:
|
|---|
| 1660 | prewalk(1,level,ops[node+1].ival,&numarg);
|
|---|
| 1661 | prewalk(1,level,ops[node+2].ival,&numarg);
|
|---|
| 1662 | break;
|
|---|
| 1663 | case OPAT:
|
|---|
| 1664 | goto def;
|
|---|
| 1665 | case OREGEX:
|
|---|
| 1666 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1667 | break;
|
|---|
| 1668 | case OHUNK:
|
|---|
| 1669 | if (len == 1) {
|
|---|
| 1670 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1671 | }
|
|---|
| 1672 | else {
|
|---|
| 1673 | i = prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1674 | if (i) {
|
|---|
| 1675 | ++level;
|
|---|
| 1676 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1677 | --level;
|
|---|
| 1678 | }
|
|---|
| 1679 | else {
|
|---|
| 1680 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1681 | }
|
|---|
| 1682 | }
|
|---|
| 1683 | break;
|
|---|
| 1684 | case OPPAREN:
|
|---|
| 1685 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1686 | break;
|
|---|
| 1687 | case OPANDAND:
|
|---|
| 1688 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1689 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1690 | break;
|
|---|
| 1691 | case OPOROR:
|
|---|
| 1692 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1693 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1694 | break;
|
|---|
| 1695 | case OPNOT:
|
|---|
| 1696 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1697 | break;
|
|---|
| 1698 | case OCPAREN:
|
|---|
| 1699 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1700 | numeric |= numarg;
|
|---|
| 1701 | break;
|
|---|
| 1702 | case OCANDAND:
|
|---|
| 1703 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1704 | numeric = 1;
|
|---|
| 1705 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1706 | break;
|
|---|
| 1707 | case OCOROR:
|
|---|
| 1708 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1709 | numeric = 1;
|
|---|
| 1710 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1711 | break;
|
|---|
| 1712 | case OCNOT:
|
|---|
| 1713 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1714 | numeric = 1;
|
|---|
| 1715 | break;
|
|---|
| 1716 | case ORELOP:
|
|---|
| 1717 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1718 | numeric |= numarg;
|
|---|
| 1719 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1720 | prewalk(0,level,ops[node+3].ival,&numarg);
|
|---|
| 1721 | numeric |= numarg;
|
|---|
| 1722 | numeric = 1;
|
|---|
| 1723 | break;
|
|---|
| 1724 | case ORPAREN:
|
|---|
| 1725 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1726 | numeric |= numarg;
|
|---|
| 1727 | break;
|
|---|
| 1728 | case OMATCHOP:
|
|---|
| 1729 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1730 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1731 | prewalk(0,level,ops[node+3].ival,&numarg);
|
|---|
| 1732 | numeric = 1;
|
|---|
| 1733 | break;
|
|---|
| 1734 | case OMPAREN:
|
|---|
| 1735 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1736 | numeric |= numarg;
|
|---|
| 1737 | break;
|
|---|
| 1738 | case OCONCAT:
|
|---|
| 1739 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1740 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1741 | break;
|
|---|
| 1742 | case OASSIGN:
|
|---|
| 1743 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1744 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1745 | prewalk(0,level,ops[node+3].ival,&numarg);
|
|---|
| 1746 | if (numarg || strlen(ops[ops[node+1].ival+1].cval) > (Size_t)1) {
|
|---|
| 1747 | numericize(ops[node+2].ival);
|
|---|
| 1748 | if (!numarg)
|
|---|
| 1749 | numericize(ops[node+3].ival);
|
|---|
| 1750 | }
|
|---|
| 1751 | numeric |= numarg;
|
|---|
| 1752 | break;
|
|---|
| 1753 | case OADD:
|
|---|
| 1754 | prewalk(1,level,ops[node+1].ival,&numarg);
|
|---|
| 1755 | prewalk(1,level,ops[node+2].ival,&numarg);
|
|---|
| 1756 | numeric = 1;
|
|---|
| 1757 | break;
|
|---|
| 1758 | case OSUBTRACT:
|
|---|
| 1759 | prewalk(1,level,ops[node+1].ival,&numarg);
|
|---|
| 1760 | prewalk(1,level,ops[node+2].ival,&numarg);
|
|---|
| 1761 | numeric = 1;
|
|---|
| 1762 | break;
|
|---|
| 1763 | case OMULT:
|
|---|
| 1764 | prewalk(1,level,ops[node+1].ival,&numarg);
|
|---|
| 1765 | prewalk(1,level,ops[node+2].ival,&numarg);
|
|---|
| 1766 | numeric = 1;
|
|---|
| 1767 | break;
|
|---|
| 1768 | case ODIV:
|
|---|
| 1769 | prewalk(1,level,ops[node+1].ival,&numarg);
|
|---|
| 1770 | prewalk(1,level,ops[node+2].ival,&numarg);
|
|---|
| 1771 | numeric = 1;
|
|---|
| 1772 | break;
|
|---|
| 1773 | case OPOW:
|
|---|
| 1774 | prewalk(1,level,ops[node+1].ival,&numarg);
|
|---|
| 1775 | prewalk(1,level,ops[node+2].ival,&numarg);
|
|---|
| 1776 | numeric = 1;
|
|---|
| 1777 | break;
|
|---|
| 1778 | case OMOD:
|
|---|
| 1779 | prewalk(1,level,ops[node+1].ival,&numarg);
|
|---|
| 1780 | prewalk(1,level,ops[node+2].ival,&numarg);
|
|---|
| 1781 | numeric = 1;
|
|---|
| 1782 | break;
|
|---|
| 1783 | case OPOSTINCR:
|
|---|
| 1784 | prewalk(1,level,ops[node+1].ival,&numarg);
|
|---|
| 1785 | numeric = 1;
|
|---|
| 1786 | break;
|
|---|
| 1787 | case OPOSTDECR:
|
|---|
| 1788 | prewalk(1,level,ops[node+1].ival,&numarg);
|
|---|
| 1789 | numeric = 1;
|
|---|
| 1790 | break;
|
|---|
| 1791 | case OPREINCR:
|
|---|
| 1792 | prewalk(1,level,ops[node+1].ival,&numarg);
|
|---|
| 1793 | numeric = 1;
|
|---|
| 1794 | break;
|
|---|
| 1795 | case OPREDECR:
|
|---|
| 1796 | prewalk(1,level,ops[node+1].ival,&numarg);
|
|---|
| 1797 | numeric = 1;
|
|---|
| 1798 | break;
|
|---|
| 1799 | case OUMINUS:
|
|---|
| 1800 | prewalk(1,level,ops[node+1].ival,&numarg);
|
|---|
| 1801 | numeric = 1;
|
|---|
| 1802 | break;
|
|---|
| 1803 | case OUPLUS:
|
|---|
| 1804 | prewalk(1,level,ops[node+1].ival,&numarg);
|
|---|
| 1805 | numeric = 1;
|
|---|
| 1806 | break;
|
|---|
| 1807 | case OPAREN:
|
|---|
| 1808 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1809 | numeric |= numarg;
|
|---|
| 1810 | break;
|
|---|
| 1811 | case OGETLINE:
|
|---|
| 1812 | break;
|
|---|
| 1813 | case OSPRINTF:
|
|---|
| 1814 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1815 | break;
|
|---|
| 1816 | case OSUBSTR:
|
|---|
| 1817 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1818 | prewalk(1,level,ops[node+2].ival,&numarg);
|
|---|
| 1819 | if (len == 3) {
|
|---|
| 1820 | prewalk(1,level,ops[node+3].ival,&numarg);
|
|---|
| 1821 | }
|
|---|
| 1822 | break;
|
|---|
| 1823 | case OSTRING:
|
|---|
| 1824 | break;
|
|---|
| 1825 | case OSPLIT:
|
|---|
| 1826 | numeric = 1;
|
|---|
| 1827 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1828 | if (len == 3)
|
|---|
| 1829 | prewalk(0,level,ops[node+3].ival,&numarg);
|
|---|
| 1830 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1831 | break;
|
|---|
| 1832 | case OINDEX:
|
|---|
| 1833 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1834 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1835 | numeric = 1;
|
|---|
| 1836 | break;
|
|---|
| 1837 | case OMATCH:
|
|---|
| 1838 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1839 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1840 | numeric = 1;
|
|---|
| 1841 | break;
|
|---|
| 1842 | case OUSERDEF:
|
|---|
| 1843 | subretnum = FALSE;
|
|---|
| 1844 | --level;
|
|---|
| 1845 | tmpstr = walk(0,level,ops[node+1].ival,&numarg,P_MIN);
|
|---|
| 1846 | ++level;
|
|---|
| 1847 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1848 | prewalk(0,level,ops[node+4].ival,&numarg);
|
|---|
| 1849 | prewalk(0,level,ops[node+5].ival,&numarg);
|
|---|
| 1850 | --level;
|
|---|
| 1851 | str_cat(tmpstr,"(");
|
|---|
| 1852 | tmp2str = str_new(0);
|
|---|
| 1853 | if (subretnum || numarg)
|
|---|
| 1854 | str_set(tmp2str,"1");
|
|---|
| 1855 | hstore(symtab,tmpstr->str_ptr,tmp2str);
|
|---|
| 1856 | str_free(tmpstr);
|
|---|
| 1857 | level++;
|
|---|
| 1858 | break;
|
|---|
| 1859 | case ORETURN:
|
|---|
| 1860 | if (len > 0) {
|
|---|
| 1861 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1862 | if (numarg)
|
|---|
| 1863 | subretnum = TRUE;
|
|---|
| 1864 | }
|
|---|
| 1865 | break;
|
|---|
| 1866 | case OUSERFUN:
|
|---|
| 1867 | tmp2str = str_new(0);
|
|---|
| 1868 | str_scat(tmp2str,tmpstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN));
|
|---|
| 1869 | fixrargs(tmpstr->str_ptr,ops[node+2].ival,0);
|
|---|
| 1870 | str_free(tmpstr);
|
|---|
| 1871 | str_cat(tmp2str,"(");
|
|---|
| 1872 | tmpstr = hfetch(symtab,tmp2str->str_ptr);
|
|---|
| 1873 | if (tmpstr && tmpstr->str_ptr)
|
|---|
| 1874 | numeric |= atoi(tmpstr->str_ptr);
|
|---|
| 1875 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1876 | str_free(tmp2str);
|
|---|
| 1877 | break;
|
|---|
| 1878 | case OGSUB:
|
|---|
| 1879 | case OSUB:
|
|---|
| 1880 | if (len >= 3)
|
|---|
| 1881 | prewalk(0,level,ops[node+3].ival,&numarg);
|
|---|
| 1882 | prewalk(0,level,ops[ops[node+2].ival+1].ival,&numarg);
|
|---|
| 1883 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1884 | numeric = 1;
|
|---|
| 1885 | break;
|
|---|
| 1886 | case ONUM:
|
|---|
| 1887 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1888 | numeric = 1;
|
|---|
| 1889 | break;
|
|---|
| 1890 | case OSTR:
|
|---|
| 1891 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1892 | break;
|
|---|
| 1893 | case ODEFINED:
|
|---|
| 1894 | case ODELETE:
|
|---|
| 1895 | case OSTAR:
|
|---|
| 1896 | case OVAR:
|
|---|
| 1897 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1898 | if (len == 1) {
|
|---|
| 1899 | if (numit)
|
|---|
| 1900 | numericize(node);
|
|---|
| 1901 | }
|
|---|
| 1902 | else {
|
|---|
| 1903 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1904 | }
|
|---|
| 1905 | break;
|
|---|
| 1906 | case OFLD:
|
|---|
| 1907 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1908 | break;
|
|---|
| 1909 | case OVFLD:
|
|---|
| 1910 | i = ops[node+1].ival;
|
|---|
| 1911 | prewalk(0,level,i,&numarg);
|
|---|
| 1912 | break;
|
|---|
| 1913 | case OJUNK:
|
|---|
| 1914 | goto def;
|
|---|
| 1915 | case OSNEWLINE:
|
|---|
| 1916 | break;
|
|---|
| 1917 | case ONEWLINE:
|
|---|
| 1918 | break;
|
|---|
| 1919 | case OSCOMMENT:
|
|---|
| 1920 | break;
|
|---|
| 1921 | case OCOMMENT:
|
|---|
| 1922 | break;
|
|---|
| 1923 | case OCOMMA:
|
|---|
| 1924 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1925 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1926 | prewalk(0,level,ops[node+3].ival,&numarg);
|
|---|
| 1927 | break;
|
|---|
| 1928 | case OSEMICOLON:
|
|---|
| 1929 | break;
|
|---|
| 1930 | case OSTATES:
|
|---|
| 1931 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1932 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1933 | break;
|
|---|
| 1934 | case OSTATE:
|
|---|
| 1935 | if (len >= 1) {
|
|---|
| 1936 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1937 | if (len >= 2) {
|
|---|
| 1938 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1939 | }
|
|---|
| 1940 | }
|
|---|
| 1941 | break;
|
|---|
| 1942 | case OCLOSE:
|
|---|
| 1943 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1944 | break;
|
|---|
| 1945 | case OPRINTF:
|
|---|
| 1946 | case OPRINT:
|
|---|
| 1947 | if (len == 3) { /* output redirection */
|
|---|
| 1948 | prewalk(0,level,ops[node+3].ival,&numarg);
|
|---|
| 1949 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1950 | }
|
|---|
| 1951 | prewalk(0+(type==OPRINT),level,ops[node+1].ival,&numarg);
|
|---|
| 1952 | break;
|
|---|
| 1953 | case ORAND:
|
|---|
| 1954 | break;
|
|---|
| 1955 | case OSRAND:
|
|---|
| 1956 | goto maybe0;
|
|---|
| 1957 | case OATAN2:
|
|---|
| 1958 | goto maybe0;
|
|---|
| 1959 | case OSIN:
|
|---|
| 1960 | goto maybe0;
|
|---|
| 1961 | case OCOS:
|
|---|
| 1962 | goto maybe0;
|
|---|
| 1963 | case OSYSTEM:
|
|---|
| 1964 | goto maybe0;
|
|---|
| 1965 | case OLENGTH:
|
|---|
| 1966 | goto maybe0;
|
|---|
| 1967 | case OLOG:
|
|---|
| 1968 | goto maybe0;
|
|---|
| 1969 | case OEXP:
|
|---|
| 1970 | goto maybe0;
|
|---|
| 1971 | case OSQRT:
|
|---|
| 1972 | goto maybe0;
|
|---|
| 1973 | case OINT:
|
|---|
| 1974 | maybe0:
|
|---|
| 1975 | numeric = 1;
|
|---|
| 1976 | if (len > 0)
|
|---|
| 1977 | prewalk(type != OLENGTH && type != OSYSTEM,
|
|---|
| 1978 | level,ops[node+1].ival,&numarg);
|
|---|
| 1979 | break;
|
|---|
| 1980 | case OBREAK:
|
|---|
| 1981 | break;
|
|---|
| 1982 | case ONEXT:
|
|---|
| 1983 | break;
|
|---|
| 1984 | case OEXIT:
|
|---|
| 1985 | if (len == 1) {
|
|---|
| 1986 | prewalk(1,level,ops[node+1].ival,&numarg);
|
|---|
| 1987 | }
|
|---|
| 1988 | break;
|
|---|
| 1989 | case OCONTINUE:
|
|---|
| 1990 | break;
|
|---|
| 1991 | case OREDIR:
|
|---|
| 1992 | goto def;
|
|---|
| 1993 | case OIF:
|
|---|
| 1994 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 1995 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 1996 | if (len == 3) {
|
|---|
| 1997 | prewalk(0,level,ops[node+3].ival,&numarg);
|
|---|
| 1998 | }
|
|---|
| 1999 | break;
|
|---|
| 2000 | case OWHILE:
|
|---|
| 2001 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 2002 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 2003 | break;
|
|---|
| 2004 | case OFOR:
|
|---|
| 2005 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 2006 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 2007 | prewalk(0,level,ops[node+3].ival,&numarg);
|
|---|
| 2008 | prewalk(0,level,ops[node+4].ival,&numarg);
|
|---|
| 2009 | break;
|
|---|
| 2010 | case OFORIN:
|
|---|
| 2011 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 2012 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 2013 | break;
|
|---|
| 2014 | case OBLOCK:
|
|---|
| 2015 | if (len == 2) {
|
|---|
| 2016 | prewalk(0,level,ops[node+2].ival,&numarg);
|
|---|
| 2017 | }
|
|---|
| 2018 | ++level;
|
|---|
| 2019 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 2020 | --level;
|
|---|
| 2021 | break;
|
|---|
| 2022 | default:
|
|---|
| 2023 | def:
|
|---|
| 2024 | if (len) {
|
|---|
| 2025 | if (len > 5)
|
|---|
| 2026 | fatal("Garbage length in prewalk");
|
|---|
| 2027 | prewalk(0,level,ops[node+1].ival,&numarg);
|
|---|
| 2028 | for (i = 2; i<= len; i++) {
|
|---|
| 2029 | prewalk(0,level,ops[node+i].ival,&numarg);
|
|---|
| 2030 | }
|
|---|
| 2031 | }
|
|---|
| 2032 | break;
|
|---|
| 2033 | }
|
|---|
| 2034 | *numericptr = numeric;
|
|---|
| 2035 | return 1;
|
|---|
| 2036 | }
|
|---|
| 2037 |
|
|---|
| 2038 | static void
|
|---|
| 2039 | numericize(register int node)
|
|---|
| 2040 | {
|
|---|
| 2041 | register int len;
|
|---|
| 2042 | register int type;
|
|---|
| 2043 | STR *tmpstr;
|
|---|
| 2044 | STR *tmp2str;
|
|---|
| 2045 | int numarg;
|
|---|
| 2046 |
|
|---|
| 2047 | type = ops[node].ival;
|
|---|
| 2048 | len = type >> 8;
|
|---|
| 2049 | type &= 255;
|
|---|
| 2050 | if (type == OVAR && len == 1) {
|
|---|
| 2051 | tmpstr=walk(0,0,ops[node+1].ival,&numarg,P_MIN);
|
|---|
| 2052 | tmp2str = str_make("1");
|
|---|
| 2053 | hstore(symtab,tmpstr->str_ptr,tmp2str);
|
|---|
| 2054 | }
|
|---|
| 2055 | }
|
|---|
