1# dump the current parse tree
2
3
4function element_string(elnum,
5			LOCAL, elem)
6{
7	elem = elements[elnum, "elem"];
8	if (elements[elnum, "ptr"]=="1") elem="*"elem;
9	if (elements[elnum, "array_len"]!="") 
10		elem=elem"["elements[elnum, "array_len"]"]";
11	if (elements[elnum, "switch"]!="") 
12		elem=elem"["elements[elnum, "switch"]"]";
13	return elem;
14}
15
16function dump_element(f, elnum,
17		      LOCAL, elem, type)
18{
19	type = elements[elnum, "type"];
20	case = elements[elnum, "case"];
21	elem = element_string(elnum);
22	if (case != "") {
23		xprintf(f,"\t\tcase %d %s %s;\n", case, type, elem);
24	} else {
25		xprintf(f,"\t%s %s;\n", type, elem);
26	}
27}
28
29function dump_union(f, elnum,
30		    LOCAL, i) 
31{
32	xprintf(f,"\tunion %s {\n", element_string(elnum));
33	for (i=0;i<unions[elnum, "num_elems"];i++) {
34		dump_element(f, unions[elnum, i]);
35	}
36	xprintf(f,"\t}\n");
37}
38
39function dump_elem(f, struct_num, elem_num,
40		   LOCAL, enum) 
41{
42	elnum = structs[struct_num, elem_num];
43
44	if (elements[elnum, "type"] == "union") {
45		dump_union(f, elnum);
46	} else {
47		dump_element(f, elnum);
48	}
49}
50
51function dump_structs(f, NIL,
52		      LOCAL, i, j) 
53{
54	xprintf(f,"/* dump of parsed structures */\n\n\n");
55
56	for (i=0;i < num_options;i++) {
57		xprintf(f,"option %s %s\n", options[i, "name"], options[i, "value"]);
58	}
59	xprintf(f,"\n\n");
60
61	for (i=0;i < num_structs;i++) {
62		xprintf(f,"/* structure %d */\n", i);
63		xprintf(f,"struct %s {\n", structs[i, "name"]);
64		for (j=0;j<structs[i, "num_elems"];j++) {
65			dump_elem(f, i, j);
66		}
67		xprintf(f,"};\n\n");
68	}
69	xprintf(f,"/* end dump */\n\n");
70}
71