1 /****************************************************************
2 Copyright (C) Lucent Technologies 1997
5 Permission to use, copy, modify, and distribute this software and
6 its documentation for any purpose and without fee is hereby
7 granted, provided that the above copyright notice appear in all
8 copies and that both that the copyright notice and this
9 permission notice and warranty disclaimer appear in supporting
10 documentation, and that the name Lucent Technologies or any of
11 its entities not be used in advertising or publicity pertaining
12 to distribution of the software without specific, written prior
15 LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
16 INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
17 IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
18 SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
19 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
20 IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
21 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
23 ****************************************************************/
26 * this program makes the table to link function names
27 * and type indices that is used by execute() in run.c.
28 * it finds the indices in ytab.h, produced by yacc.
42 { PROGRAM, "program", NULL },
43 { BOR, "boolop", " || " },
44 { AND, "boolop", " && " },
45 { NOT, "boolop", " !" },
46 { NE, "relop", " != " },
47 { EQ, "relop", " == " },
48 { LE, "relop", " <= " },
49 { LT, "relop", " < " },
50 { GE, "relop", " >= " },
51 { GT, "relop", " > " },
52 { ARRAY, "array", NULL },
53 { INDIRECT, "indirect", "$(" },
54 { SUBSTR, "substr", "substr" },
55 { SUB, "sub", "sub" },
56 { GSUB, "gsub", "gsub" },
57 { INDEX, "sindex", "sindex" },
58 { SPRINTF, "awksprintf", "sprintf " },
59 { ADD, "arith", " + " },
60 { MINUS, "arith", " - " },
61 { MULT, "arith", " * " },
62 { DIVIDE, "arith", " / " },
63 { MOD, "arith", " % " },
64 { UMINUS, "arith", " -" },
65 { UPLUS, "arith", " +" },
66 { POWER, "arith", " **" },
67 { PREINCR, "incrdecr", "++" },
68 { POSTINCR, "incrdecr", "++" },
69 { PREDECR, "incrdecr", "--" },
70 { POSTDECR, "incrdecr", "--" },
72 { PASTAT, "pastat", NULL },
73 { PASTAT2, "dopa2", NULL },
74 { MATCH, "matchop", " ~ " },
75 { NOTMATCH, "matchop", " !~ " },
76 { MATCHFCN, "matchop", "matchop" },
77 { INTEST, "intest", "intest" },
78 { PRINTF, "awkprintf", "printf" },
79 { PRINT, "printstat", "print" },
80 { CLOSE, "closefile", "closefile" },
81 { DELETE, "awkdelete", "awkdelete" },
82 { SPLIT, "split", "split" },
83 { ASSIGN, "assign", " = " },
84 { ADDEQ, "assign", " += " },
85 { SUBEQ, "assign", " -= " },
86 { MULTEQ, "assign", " *= " },
87 { DIVEQ, "assign", " /= " },
88 { MODEQ, "assign", " %= " },
89 { POWEQ, "assign", " ^= " },
90 { CONDEXPR, "condexpr", " ?: " },
91 { IF, "ifstat", "if(" },
92 { WHILE, "whilestat", "while(" },
93 { FOR, "forstat", "for(" },
94 { DO, "dostat", "do" },
95 { IN, "instat", "instat" },
96 { NEXT, "jump", "next" },
97 { NEXTFILE, "jump", "nextfile" },
98 { EXIT, "jump", "exit" },
99 { BREAK, "jump", "break" },
100 { CONTINUE, "jump", "continue" },
101 { RETURN, "jump", "ret" },
102 { BLTIN, "bltin", "bltin" },
103 { CALL, "call", "call" },
104 { ARG, "arg", "arg" },
105 { VARNF, "getnf", "NF" },
106 { GETLINE, "awkgetline", "getline" },
110 #define SIZE (LASTTOKEN - FIRSTTOKEN + 1)
111 const char *table[SIZE];
114 int main(int argc, char *argv[])
120 char buf[200], name[200], def[200];
122 printf("#include <stdio.h>\n");
123 printf("#include \"awk.h\"\n");
124 printf("#include \"ytab.h\"\n\n");
125 for (i = SIZE; --i >= 0; )
129 fprintf(stderr, "usage: maketab YTAB_H\n");
132 if ((fp = fopen(argv[1], "r")) == NULL) {
133 fprintf(stderr, "maketab can't open %s!\n", argv[1]);
136 printf("static char *printname[%d] = {\n", SIZE);
138 while (fgets(buf, sizeof buf, fp) != NULL) {
139 n = sscanf(buf, "%1c %s %s %d", &c, def, name, &tok);
140 if (c != '#' || (n != 4 && strcmp(def,"define") != 0)) /* not a valid #define */
142 if (strcmp(name, "YYSTYPE_IS_DECLARED") == 0)
144 if (tok < FIRSTTOKEN || tok > LASTTOKEN) {
145 /* fprintf(stderr, "maketab funny token %d %s ignored\n", tok, buf); */
148 names[tok-FIRSTTOKEN] = (char *) malloc(strlen(name)+1);
149 strcpy(names[tok-FIRSTTOKEN], name);
150 printf("\t(char *) \"%s\",\t/* %d */\n", name, tok);
155 for (p=proc; p->token!=0; p++)
156 table[p->token-FIRSTTOKEN] = p->name;
157 printf("\nCell *(*proctab[%d])(Node **, int) = {\n", SIZE);
158 for (i=0; i<SIZE; i++)
160 printf("\tnullproc,\t/* %s */\n", names[i]);
162 printf("\t%s,\t/* %s */\n", table[i], names[i]);
165 printf("char *tokname(int n)\n"); /* print a tokname() function */
167 printf(" static char buf[100];\n\n");
168 printf(" if (n < FIRSTTOKEN || n > LASTTOKEN) {\n");
169 printf(" sprintf(buf, \"token %%d\", n);\n");
170 printf(" return buf;\n");
172 printf(" return printname[n-FIRSTTOKEN];\n");