xref: /original-bsd/old/awk/proc.c (revision e74403ba)
1 #ifndef lint
2 static char sccsid[] = "@(#)proc.c	4.3 08/11/83";
3 #endif
4 
5 #include "awk.h"
6 #define NULL 0
7 struct xx
8 {	int token;
9 	char *name;
10 	char *pname;
11 } proc[] = {
12 	{ PROGRAM, "program", NULL},
13 	{ BOR, "boolop", " || "},
14 	{ AND, "boolop", " && "},
15 	{ NOT, "boolop", " !"},
16 	{ NE, "relop", " != "},
17 	{ EQ, "relop", " == "},
18 	{ LE, "relop", " <= "},
19 	{ LT, "relop", " < "},
20 	{ GE, "relop", " >= "},
21 	{ GT, "relop", " > "},
22 	{ ARRAY, "array", NULL},
23 	{ INDIRECT, "indirect", "$("},
24 	{ SUBSTR, "substr", "substr"},
25 	{ INDEX, "sindex", "sindex"},
26 	{ SPRINTF, "asprintf", "sprintf "},
27 	{ ADD, "arith", " + "},
28 	{ MINUS, "arith", " - "},
29 	{ MULT, "arith", " * "},
30 	{ DIVIDE, "arith", " / "},
31 	{ MOD, "arith", " % "},
32 	{ UMINUS, "arith", " -"},
33 	{ PREINCR, "incrdecr", "++"},
34 	{ POSTINCR, "incrdecr", "++"},
35 	{ PREDECR, "incrdecr", "--"},
36 	{ POSTDECR, "incrdecr", "--"},
37 	{ CAT, "cat", " "},
38 	{ PASTAT, "pastat", NULL},
39 	{ PASTAT2, "dopa2", NULL},
40 	{ MATCH, "matchop", " ~ "},
41 	{ NOTMATCH, "matchop", " !~ "},
42 	{ PRINTF, "aprintf", "printf"},
43 	{ PRINT, "print", "print"},
44 	{ SPLIT, "split", "split"},
45 	{ ASSIGN, "assign", " = "},
46 	{ ADDEQ, "assign", " += "},
47 	{ SUBEQ, "assign", " -= "},
48 	{ MULTEQ, "assign", " *= "},
49 	{ DIVEQ, "assign", " /= "},
50 	{ MODEQ, "assign", " %= "},
51 	{ IF, "ifstat", "if("},
52 	{ WHILE, "whilestat", "while("},
53 	{ FOR, "forstat", "for("},
54 	{ IN, "instat", "instat"},
55 	{ NEXT, "jump", "next"},
56 	{ EXIT, "jump", "exit"},
57 	{ BREAK, "jump", "break"},
58 	{ CONTINUE, "jump", "continue"},
59 	{ FNCN, "fncn", "fncn"},
60 	{ GETLINE, "getline", "getline"},
61 	{ 0, ""},
62 };
63 #define SIZE	LASTTOKEN - FIRSTTOKEN
64 char *table[SIZE];
65 char *names[SIZE];
66 main()
67 {	struct xx *p;
68 	int i;
69 	printf("#include \"awk.def\"\n");
70 	printf("obj nullproc();\n");
71 	for(p=proc;p->token!=0;p++)
72 		if(p==proc || strcmp(p->name, (p-1)->name))
73 			printf("extern obj %s();\n",p->name);
74 	for(p=proc;p->token!=0;p++)
75 		table[p->token-FIRSTTOKEN]=p->name;
76 	printf("obj (*proctab[%d])() = {\n", SIZE);
77 	for(i=0;i<SIZE;i++)
78 		if(table[i]==0) printf("/*%s*/\tnullproc,\n",tokname(i+FIRSTTOKEN));
79 		else printf("/*%s*/\t%s,\n",tokname(i+FIRSTTOKEN),table[i]);
80 	printf("};\n");
81 	printf("char *printname[%d] = {\n", SIZE);
82 	for(p=proc; p->token!=0; p++)
83 		names[p->token-FIRSTTOKEN] = p->pname;
84 	for(i=0; i<SIZE; i++)
85 		printf("/*%s*/\t\"%s\",\n",tokname(i+FIRSTTOKEN),
86 						names[i]?names[i]:"");
87 	printf("};\n");
88 	exit(0);
89 }
90