static void emit_load_struct_ref(Node *struc, Type *field, int off) {
SAVE;
switch (struc->kind) {
case AST_LVAR:
ensure_lvar_init(struc);
emit_lload(field, "rbp", struc->loff + field->offset + off);
break;
case AST_GVAR:
emit_gload(field, struc->glabel, field->offset + off);
break;
case AST_STRUCT_REF:
emit_load_struct_ref(struc->struc, field, struc->ty->offset + off);
break;
case AST_DEREF:
emit_expr(struc->operand);
emit_lload(field, "rax", field->offset + off);
break;
default:
error("internal error: %s", node2s(struc));
}
}
static void emit_gvar(Node *node) {
SAVE;
emit_gload(node->ctype, node->glabel, 0);
}