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 y.tab.h, produced by yacc.
42 { PROGRAM, "program", nil },
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", nil },
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 { POWER, "arith", " **" },
66 { PREINCR, "incrdecr", "++" },
67 { POSTINCR, "incrdecr", "++" },
68 { PREDECR, "incrdecr", "--" },
69 { POSTDECR, "incrdecr", "--" },
71 { PASTAT, "pastat", nil },
72 { PASTAT2, "dopa2", nil },
73 { MATCH, "matchop", " ~ " },
74 { NOTMATCH, "matchop", " !~ " },
75 { MATCHFCN, "matchop", "matchop" },
76 { INTEST, "intest", "intest" },
77 { PRINTF, "awkprintf", "printf" },
78 { PRINT, "printstat", "print" },
79 { CLOSE, "closefile", "closefile" },
80 { DELETE, "awkdelete", "awkdelete" },
81 { SPLIT, "split", "split" },
82 { ASSIGN, "assign", " = " },
83 { ADDEQ, "assign", " += " },
84 { SUBEQ, "assign", " -= " },
85 { MULTEQ, "assign", " *= " },
86 { DIVEQ, "assign", " /= " },
87 { MODEQ, "assign", " %= " },
88 { POWEQ, "assign", " ^= " },
89 { CONDEXPR, "condexpr", " ?: " },
90 { IF, "ifstat", "if(" },
91 { WHILE, "whilestat", "while(" },
92 { FOR, "forstat", "for(" },
93 { DO, "dostat", "do" },
94 { IN, "instat", "instat" },
95 { NEXT, "jump", "next" },
96 { NEXTFILE, "jump", "nextfile" },
97 { EXIT, "jump", "exit" },
98 { BREAK, "jump", "break" },
99 { CONTINUE, "jump", "continue" },
100 { RETURN, "jump", "ret" },
101 { BLTIN, "bltin", "bltin" },
102 { CALL, "call", "call" },
103 { ARG, "arg", "arg" },
104 { VARNF, "getnf", "NF" },
105 { GETLINE, "getline", "getline" },
109 #define SIZE (LASTTOKEN - FIRSTTOKEN + 1)
113 void main(int, char**)
120 print("#include <u.h>\n");
121 print("#include <libc.h>\n");
122 print("#include <bio.h>\n");
123 print("#include \"awk.h\"\n");
124 print("#include \"y.tab.h\"\n\n");
125 for (i = SIZE; --i >= 0; )
128 if ((fp = Bopen("y.tab.h", OREAD)) == nil) {
129 fprint(2, "maketab can't open y.tab.h!\n");
130 exits("can't open y.tab.h");
132 print("static char *printname[%d] = {\n", SIZE);
134 while ((buf = Brdline(fp, '\n')) != nil) {
135 buf[Blinelen(fp)-1] = '\0';
136 tokenize(buf, toks, 3);
137 if (toks[0] == nil || strcmp("#define", toks[0]) != 0) /* not a valid #define */
139 tok = strtol(toks[2], nil, 10);
140 if (tok < FIRSTTOKEN || tok > LASTTOKEN) {
141 fprint(2, "maketab funny token %d %s\n", tok, buf);
142 exits("funny token");
144 names[tok-FIRSTTOKEN] = (char *) malloc(strlen(toks[1])+1);
145 strcpy(names[tok-FIRSTTOKEN], toks[1]);
146 print("\t(char *) \"%s\",\t/* %d */\n", toks[1], tok);
151 for (p=proc; p->token!=0; p++)
152 table[p->token-FIRSTTOKEN] = p->name;
153 print("\nCell *(*proctab[%d])(Node **, int) = {\n", SIZE);
154 for (i=0; i<SIZE; i++)
156 print("\tnullproc,\t/* %s */\n", names[i]);
158 print("\t%s,\t/* %s */\n", table[i], names[i]);
161 print("char *tokname(int n)\n"); /* print a tokname() function */
163 print(" static char buf[100];\n\n");
164 print(" if (n < FIRSTTOKEN || n > LASTTOKEN) {\n");
165 print(" sprint(buf, \"token %%d\", n);\n");
166 print(" return buf;\n");
168 print(" return printname[n-FIRSTTOKEN];\n");