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Instantiation working again

This commit is contained in:
Nick Gasson 2008-07-29 12:21:19 +01:00
parent c0c838f1bc
commit c6f6ea7358
1 changed files with 53 additions and 30 deletions
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83
tgt-vhdl/scope.cc
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@ -684,37 +684,7 @@ static int draw_module(ivl_scope_t scope, ivl_scope_t parent)
// example of this module in the hieararchy
if (parent_ent->get_derived_from() == ivl_scope_name(parent)) {
vhdl_arch *parent_arch = parent_ent->get_arch();
assert(parent_arch != NULL);
// Create a forward declaration for it
if (!parent_arch->get_scope()->have_declared(ent->get_name())) {
vhdl_decl *comp_decl = vhdl_component_decl::component_decl_for(ent);
parent_arch->get_scope()->add_decl(comp_decl);
}
// And an instantiation statement
string inst_name(ivl_scope_basename(scope));
if (inst_name == ent->get_name()) {
// Cannot have instance name the same as type in VHDL
inst_name += "_Inst";
}
// Need to replace any [ and ] characters that result
// from generate statements
string::size_type loc = inst_name.find('[', 0);
if (loc != string::npos)
inst_name.erase(loc, 1);
loc = inst_name.find(']', 0);
if (loc != string::npos)
inst_name.erase(loc, 1);
vhdl_comp_inst *inst =
new vhdl_comp_inst(inst_name.c_str(), ent->get_name().c_str());
port_map(scope, parent_ent, inst);
parent_arch->add_stmt(inst);
}
else {
// Ignore this instantiation (already accounted for)
@ -869,6 +839,55 @@ static int draw_all_logic_and_lpm(ivl_scope_t scope, void *_parent)
return ivl_scope_children(scope, draw_all_logic_and_lpm, scope);
}
static int draw_hierarchy(ivl_scope_t scope, void *_parent)
{
if (ivl_scope_type(scope) == IVL_SCT_MODULE && _parent) {
ivl_scope_t parent = static_cast<ivl_scope_t>(_parent);
vhdl_entity *ent = find_entity(ivl_scope_tname(scope));
assert(ent);
vhdl_entity *parent_ent = find_entity(ivl_scope_tname(parent));
assert(parent_ent);
if (parent_ent->get_derived_from() == ivl_scope_name(parent)) {
vhdl_arch *parent_arch = parent_ent->get_arch();
assert(parent_arch != NULL);
// Create a forward declaration for it
if (!parent_arch->get_scope()->have_declared(ent->get_name())) {
vhdl_decl *comp_decl = vhdl_component_decl::component_decl_for(ent);
parent_arch->get_scope()->add_decl(comp_decl);
}
// And an instantiation statement
string inst_name(ivl_scope_basename(scope));
if (inst_name == ent->get_name()) {
// Cannot have instance name the same as type in VHDL
inst_name += "_Inst";
}
// Need to replace any [ and ] characters that result
// from generate statements
string::size_type loc = inst_name.find('[', 0);
if (loc != string::npos)
inst_name.erase(loc, 1);
loc = inst_name.find(']', 0);
if (loc != string::npos)
inst_name.erase(loc, 1);
vhdl_comp_inst *inst =
new vhdl_comp_inst(inst_name.c_str(), ent->get_name().c_str());
//port_map(scope, parent_ent, inst);
parent_arch->add_stmt(inst);
}
}
return ivl_scope_children(scope, draw_hierarchy, scope);
}
int draw_scope(ivl_scope_t scope, void *_parent)
{
int rc = draw_skeleton_scope(scope, _parent);
@ -883,6 +902,10 @@ int draw_scope(ivl_scope_t scope, void *_parent)
if (rc != 0)
return rc;
rc = draw_hierarchy(scope, _parent);
if (rc != 0)
return rc;
return 0;
}