xref: /titanic_51/usr/src/cmd/oawk/makeprctab.c (revision 8eea8e29cc4374d1ee24c25a07f45af132db3499)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23 /*	  All Rights Reserved  	*/
24 
25 
26 #ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include "awk.h"
29 /* tmaino #define NULL 0 */
30 #define	XNULL	"(null)"
31 
32 
33 struct xx
34 {	int token;
35 	char *name;
36 	char *pname;
37 } proc[] = {
38 	{ PROGRAM, "program", XNULL},
39 	{ BOR, "boolop", " || "},
40 	{ AND, "boolop", " && "},
41 	{ NOT, "boolop", " !"},
42 	{ NE, "relop", " != "},
43 	{ EQ, "relop", " == "},
44 	{ LE, "relop", " <= "},
45 	{ LT, "relop", " < "},
46 	{ GE, "relop", " >= "},
47 	{ GT, "relop", " > "},
48 	{ ARRAY, "array", XNULL},
49 	{ INDIRECT, "indirect", "$("},
50 	{ SUBSTR, "substr", "substr"},
51 	{ INDEX, "sindex", "sindex"},
52 	{ SPRINTF, "asprintf", "sprintf "},
53 	{ ADD, "arith", " + "},
54 	{ MINUS, "arith", " - "},
55 	{ MULT, "arith", " * "},
56 	{ DIVIDE, "arith", " / "},
57 	{ MOD, "arith", " % "},
58 	{ UMINUS, "arith", " -"},
59 	{ PREINCR, "incrdecr", "++"},
60 	{ POSTINCR, "incrdecr", "++"},
61 	{ PREDECR, "incrdecr", "--"},
62 	{ POSTDECR, "incrdecr", "--"},
63 	{ CAT, "cat", " "},
64 	{ PASTAT, "pastat", XNULL},
65 	{ PASTAT2, "dopa2", XNULL},
66 	{ MATCH, "matchop", " ~ "},
67 	{ NOTMATCH, "matchop", " !~ "},
68 	{ PRINTF, "aprintf", "printf"},
69 	{ PRINT, "print", "print"},
70 	{ SPLIT, "split", "split"},
71 	{ ASSIGN, "assign", " = "},
72 	{ ADDEQ, "assign", " += "},
73 	{ SUBEQ, "assign", " -= "},
74 	{ MULTEQ, "assign", " *= "},
75 	{ DIVEQ, "assign", " /= "},
76 	{ MODEQ, "assign", " %= "},
77 	{ IF, "ifstat", "if("},
78 	{ WHILE, "whilestat", "while("},
79 	{ FOR, "forstat", "for("},
80 	{ IN, "instat", "instat"},
81 	{ NEXT, "jump", "next"},
82 	{ EXIT, "jump", "exit"},
83 	{ BREAK, "jump", "break"},
84 	{ CONTINUE, "jump", "continue"},
85 	{ FNCN, "fncn", "fncn"},
86 	{ GETLINE, "getline", "getline"},
87 	{ 0, ""},
88 };
89 #define	SIZE	LASTTOKEN - FIRSTTOKEN
90 char *table[SIZE];
91 char *names[SIZE];
92 
93 
94 main()
95 {
96 	struct xx *p;
97 	int i;
98 
99 
100 	printf("#include \"awk.def\"\n");
101 	printf("CELL *nullproc();\n");
102 	for (i = SIZE; --i >= 0; /* dummy */)
103 		names[i] = "";
104 	for (p=proc; p->token!=0; p++)
105 		if (p==proc || strcmp(p->name, (p-1)->name))
106 			printf("extern CELL *%s();\n", p->name);
107 	for (p=proc; p->token!=0; p++)
108 		table[p->token-FIRSTTOKEN] = p->name;
109 	printf("CELL *(*proctab[%d])() = {\n", SIZE);
110 	for (i=0; i<SIZE; i++)
111 		if (table[i]==0)
112 			printf("/*%s*/\tnullproc,\n", tokname(i+FIRSTTOKEN));
113 		else
114 		printf("/*%s*/\t%s,\n", tokname(i+FIRSTTOKEN), table[i]);
115 	printf("};\n");
116 	printf("char *printname[%d] = {\n", SIZE);
117 	for (p=proc; p->token!=0; p++)
118 		names[p->token-FIRSTTOKEN] = p->pname;
119 	for (i=0; i<SIZE; i++)
120 		printf("/*%s*/\t\"%s\",\n", tokname(i+FIRSTTOKEN), names[i]);
121 	printf("};\n");
122 	exit(0);
123 }
124