xref: /csrg-svn/old/awk/proc.c (revision 6675)
1*6675Smckusick /*	proc.c	4.1	82/05/07	*/
2*6675Smckusick 
3*6675Smckusick #include "awk.h"
4*6675Smckusick #define NULL 0
5*6675Smckusick struct xx
6*6675Smckusick {	int token;
7*6675Smckusick 	char *name;
8*6675Smckusick 	char *pname;
9*6675Smckusick } proc[] = {
10*6675Smckusick 	{ PROGRAM, "program", NULL},
11*6675Smckusick 	{ BOR, "boolop", " || "},
12*6675Smckusick 	{ AND, "boolop", " && "},
13*6675Smckusick 	{ NOT, "boolop", " !"},
14*6675Smckusick 	{ NE, "relop", " != "},
15*6675Smckusick 	{ EQ, "relop", " == "},
16*6675Smckusick 	{ LE, "relop", " <= "},
17*6675Smckusick 	{ LT, "relop", " < "},
18*6675Smckusick 	{ GE, "relop", " >= "},
19*6675Smckusick 	{ GT, "relop", " > "},
20*6675Smckusick 	{ ARRAY, "array", NULL},
21*6675Smckusick 	{ INDIRECT, "indirect", "$("},
22*6675Smckusick 	{ SUBSTR, "substr", "substr"},
23*6675Smckusick 	{ INDEX, "sindex", "sindex"},
24*6675Smckusick 	{ SPRINTF, "asprintf", "sprintf "},
25*6675Smckusick 	{ ADD, "arith", " + "},
26*6675Smckusick 	{ MINUS, "arith", " - "},
27*6675Smckusick 	{ MULT, "arith", " * "},
28*6675Smckusick 	{ DIVIDE, "arith", " / "},
29*6675Smckusick 	{ MOD, "arith", " % "},
30*6675Smckusick 	{ UMINUS, "arith", " -"},
31*6675Smckusick 	{ PREINCR, "incrdecr", "++"},
32*6675Smckusick 	{ POSTINCR, "incrdecr", "++"},
33*6675Smckusick 	{ PREDECR, "incrdecr", "--"},
34*6675Smckusick 	{ POSTDECR, "incrdecr", "--"},
35*6675Smckusick 	{ CAT, "cat", " "},
36*6675Smckusick 	{ PASTAT, "pastat", NULL},
37*6675Smckusick 	{ PASTAT2, "dopa2", NULL},
38*6675Smckusick 	{ MATCH, "matchop", " ~ "},
39*6675Smckusick 	{ NOTMATCH, "matchop", " !~ "},
40*6675Smckusick 	{ PRINTF, "aprintf", "printf"},
41*6675Smckusick 	{ PRINT, "print", "print"},
42*6675Smckusick 	{ SPLIT, "split", "split"},
43*6675Smckusick 	{ ASSIGN, "assign", " = "},
44*6675Smckusick 	{ ADDEQ, "assign", " += "},
45*6675Smckusick 	{ SUBEQ, "assign", " -= "},
46*6675Smckusick 	{ MULTEQ, "assign", " *= "},
47*6675Smckusick 	{ DIVEQ, "assign", " /= "},
48*6675Smckusick 	{ MODEQ, "assign", " %= "},
49*6675Smckusick 	{ IF, "ifstat", "if("},
50*6675Smckusick 	{ WHILE, "whilestat", "while("},
51*6675Smckusick 	{ FOR, "forstat", "for("},
52*6675Smckusick 	{ IN, "instat", "instat"},
53*6675Smckusick 	{ NEXT, "jump", "next"},
54*6675Smckusick 	{ EXIT, "jump", "exit"},
55*6675Smckusick 	{ BREAK, "jump", "break"},
56*6675Smckusick 	{ CONTINUE, "jump", "continue"},
57*6675Smckusick 	{ FNCN, "fncn", "fncn"},
58*6675Smckusick 	{ GETLINE, "getline", "getline"},
59*6675Smckusick 	{ 0, ""},
60*6675Smckusick };
61*6675Smckusick #define SIZE	LASTTOKEN - FIRSTTOKEN
62*6675Smckusick char *table[SIZE];
63*6675Smckusick char *names[SIZE];
64*6675Smckusick main()
65*6675Smckusick {	struct xx *p;
66*6675Smckusick 	int i;
67*6675Smckusick 	printf("#include \"awk.def\"\n");
68*6675Smckusick 	printf("obj nullproc();\n");
69*6675Smckusick 	for(p=proc;p->token!=0;p++)
70*6675Smckusick 		if(p==proc || strcmp(p->name, (p-1)->name))
71*6675Smckusick 			printf("extern obj %s();\n",p->name);
72*6675Smckusick 	for(p=proc;p->token!=0;p++)
73*6675Smckusick 		table[p->token-FIRSTTOKEN]=p->name;
74*6675Smckusick 	printf("obj (*proctab[%d])() = {\n", SIZE);
75*6675Smckusick 	for(i=0;i<SIZE;i++)
76*6675Smckusick 		if(table[i]==0) printf("/*%s*/\tnullproc,\n",tokname(i+FIRSTTOKEN));
77*6675Smckusick 		else printf("/*%s*/\t%s,\n",tokname(i+FIRSTTOKEN),table[i]);
78*6675Smckusick 	printf("};\n");
79*6675Smckusick 	printf("char *printname[%d] = {\n", SIZE);
80*6675Smckusick 	for(p=proc; p->token!=0; p++)
81*6675Smckusick 		names[p->token-FIRSTTOKEN] = p->pname;
82*6675Smckusick 	for(i=0; i<SIZE; i++)
83*6675Smckusick 		printf("/*%s*/\t\"%s\",\n",tokname(i+FIRSTTOKEN),names[i]);
84*6675Smckusick 	printf("};\n");
85*6675Smckusick 	exit(0);
86*6675Smckusick }
87