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# produce a header file for a parsed struct file
function header_union(f, struct_num, union,
LOCAL, i)
{
xprintf(f,"\tunion {\n");
for (i=0;i<structs[struct_num, "unions", union, "num_elems"];i++) {
xprintf(f,"\t\t%s %s;\n",
structs[struct_num, "unions", union, i, "type"],
structs[struct_num, "unions", union, i, "elem"]);
}
xprintf(f,"\t} %s;\n", union);
}
function header_array(f, struct_num, elem_num)
{
xprintf(f,"\t%s *%s; /* array of length %s */ \n",
structs[struct_num, elem_num, "type"],
structs[struct_num, elem_num, "elem"],
structs[struct_num, elem_num, "array_len"]);
}
function header_elem(f, struct_num, elem_num)
{
if (structs[struct_num, elem_num, "type"] == ".align") return;
if (structs[struct_num, elem_num, "type"] == "union") {
header_union(f, struct_num, structs[struct_num, elem_num, "elem"]);
} else if (structs[struct_num, elem_num, "array_len"]) {
header_array(f, struct_num, elem_num);
} else {
xprintf(f,"\t%s %s;\n",
structs[struct_num, elem_num, "type"],
structs[struct_num, elem_num, "elem"]);
}
}
function header_struct(f, struct_num,
LOCAL, i)
{
xprintf(f,"/* structure %s */\n",
structs[struct_num, "name"]);
xprintf(f,"typedef struct {\n");
for (i=0;i < structs[struct_num, "num_elems"];i++) {
header_elem(f, struct_num, i);
}
xprintf(f,"} %s;\n\n\n", structs[struct_num, "name"]);
}
function produce_headers(f, NIL,
LOCAL, i)
{
xprintf(f,"/* auto-generated headers for %s */\n\n\n", module);
for (i=0;i < num_structs;i++) {
header_struct(f, i);
}
xprintf(f,"/* end auto-generated headers */\n\n");
}
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