xref: /original-bsd/old/awk/proc.c (revision 817cfbae)
1 /*-
2  * Copyright (c) 1991 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * %sccs.include.proprietary.c%
6  */
7 
8 #ifndef lint
9 char copyright[] =
10 "@(#) Copyright (c) 1991 The Regents of the University of California.\n\
11  All rights reserved.\n";
12 #endif /* not lint */
13 
14 #ifndef lint
15 static char sccsid[] = "@(#)proc.c	4.4 (Berkeley) 04/17/91";
16 #endif /* not lint */
17 
18 #include "awk.h"
19 #define NULL 0
20 struct xx
21 {	int token;
22 	char *name;
23 	char *pname;
24 } proc[] = {
25 	{ PROGRAM, "program", NULL},
26 	{ BOR, "boolop", " || "},
27 	{ AND, "boolop", " && "},
28 	{ NOT, "boolop", " !"},
29 	{ NE, "relop", " != "},
30 	{ EQ, "relop", " == "},
31 	{ LE, "relop", " <= "},
32 	{ LT, "relop", " < "},
33 	{ GE, "relop", " >= "},
34 	{ GT, "relop", " > "},
35 	{ ARRAY, "array", NULL},
36 	{ INDIRECT, "indirect", "$("},
37 	{ SUBSTR, "substr", "substr"},
38 	{ INDEX, "sindex", "sindex"},
39 	{ SPRINTF, "asprintf", "sprintf "},
40 	{ ADD, "arith", " + "},
41 	{ MINUS, "arith", " - "},
42 	{ MULT, "arith", " * "},
43 	{ DIVIDE, "arith", " / "},
44 	{ MOD, "arith", " % "},
45 	{ UMINUS, "arith", " -"},
46 	{ PREINCR, "incrdecr", "++"},
47 	{ POSTINCR, "incrdecr", "++"},
48 	{ PREDECR, "incrdecr", "--"},
49 	{ POSTDECR, "incrdecr", "--"},
50 	{ CAT, "cat", " "},
51 	{ PASTAT, "pastat", NULL},
52 	{ PASTAT2, "dopa2", NULL},
53 	{ MATCH, "matchop", " ~ "},
54 	{ NOTMATCH, "matchop", " !~ "},
55 	{ PRINTF, "aprintf", "printf"},
56 	{ PRINT, "print", "print"},
57 	{ SPLIT, "split", "split"},
58 	{ ASSIGN, "assign", " = "},
59 	{ ADDEQ, "assign", " += "},
60 	{ SUBEQ, "assign", " -= "},
61 	{ MULTEQ, "assign", " *= "},
62 	{ DIVEQ, "assign", " /= "},
63 	{ MODEQ, "assign", " %= "},
64 	{ IF, "ifstat", "if("},
65 	{ WHILE, "whilestat", "while("},
66 	{ FOR, "forstat", "for("},
67 	{ IN, "instat", "instat"},
68 	{ NEXT, "jump", "next"},
69 	{ EXIT, "jump", "exit"},
70 	{ BREAK, "jump", "break"},
71 	{ CONTINUE, "jump", "continue"},
72 	{ FNCN, "fncn", "fncn"},
73 	{ GETLINE, "getline", "getline"},
74 	{ 0, ""},
75 };
76 #define SIZE	LASTTOKEN - FIRSTTOKEN
77 char *table[SIZE];
78 char *names[SIZE];
79 main()
80 {	struct xx *p;
81 	int i;
82 	printf("#include \"awk.def\"\n");
83 	printf("obj nullproc();\n");
84 	for(p=proc;p->token!=0;p++)
85 		if(p==proc || strcmp(p->name, (p-1)->name))
86 			printf("extern obj %s();\n",p->name);
87 	for(p=proc;p->token!=0;p++)
88 		table[p->token-FIRSTTOKEN]=p->name;
89 	printf("obj (*proctab[%d])() = {\n", SIZE);
90 	for(i=0;i<SIZE;i++)
91 		if(table[i]==0) printf("/*%s*/\tnullproc,\n",tokname(i+FIRSTTOKEN));
92 		else printf("/*%s*/\t%s,\n",tokname(i+FIRSTTOKEN),table[i]);
93 	printf("};\n");
94 	printf("char *printname[%d] = {\n", SIZE);
95 	for(p=proc; p->token!=0; p++)
96 		names[p->token-FIRSTTOKEN] = p->pname;
97 	for(i=0; i<SIZE; i++)
98 		printf("/*%s*/\t\"%s\",\n",tokname(i+FIRSTTOKEN),
99 						names[i]?names[i]:"");
100 	printf("};\n");
101 	exit(0);
102 }
103