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Generate function declarations

This commit is contained in:
Nick Gasson 2008-06-25 21:40:35 +01:00
parent 042f7ccbcd
commit 7773000c36
2 changed files with 14 additions and 8 deletions
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14
tgt-vhdl/scope.cc
View File

@ -401,12 +401,18 @@ int draw_function(ivl_scope_t scope, ivl_scope_t parent)
std::string signame = make_safe_name(sig);
vhdl_type *sigtype = get_signal_type(sig);
if (ivl_signal_type(sig) == IVL_SIT_REG) {
switch (ivl_signal_port(sig)) {
case IVL_SIP_OUTPUT:
assert(func == NULL);
func = new vhdl_function(funcname, sigtype);
}
else {
break;
case IVL_SIP_INPUT:
assert(func);
func->add_param(new vhdl_param_decl(signame.c_str(), sigtype));
break;
default:
assert(false);
}
remember_signal(sig, func->get_scope());

8
tgt-vhdl/vhdl_syntax.cc
View File

@ -765,10 +765,10 @@ vhdl_function::vhdl_function(const char *name, vhdl_type *ret_type)
void vhdl_function::emit(std::ofstream &of, int level) const
{
of << "function " << name_ << " (";
emit_children<vhdl_decl>(of, scope_.get_decls(), level, ",");
of << ") return ";
type_->emit(of, level);
of << " is";
emit_children<vhdl_decl>(of, scope_.get_decls(), level, ";");
of << ") ";
newline(of, level);
of << "return " << type_->get_string() << " is";
emit_children<vhdl_decl>(of, variables_.get_decls(), level);
of << "begin";
stmts_.emit(of, level);