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/*
* Copyright (c) 2011 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
* General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* Picture Elements, Inc., 777 Panoramic Way, Berkeley, CA 94704.
*/
# include "parse_misc.h"
# include "parse_api.h"
# include "entity.h"
# include "architec.h"
# include "expression.h"
# include "vtype.h"
# include "compiler.h"
# include <iostream>
# include <cassert>
using namespace std;
void bind_entity_to_active_scope(const char*ename, ActiveScope*scope)
{
perm_string ekey = lex_strings.make(ename);
std::map<perm_string,Entity*>::const_iterator idx = design_entities.find(ekey);
if (idx == design_entities.end()) {
return;
}
scope->bind(idx->second);
}
void bind_architecture_to_entity(const char*ename, Architecture*arch)
{
perm_string ekey = lex_strings.make(ename);
std::map<perm_string,Entity*>::const_iterator idx = design_entities.find(ekey);
if (idx == design_entities.end()) {
cerr << arch->get_fileline() << ": error: No entity " << ekey
<< " for architecture " << arch->get_name()
<< "." << endl;
parse_errors += 1;
return;
}
/* FIXME: entities can have multiple architectures attached to them
This is to be configured by VHDL's configurations (not yet implemented) */
Architecture*old_arch = idx->second->add_architecture(arch);
if (old_arch != arch) {
cerr << arch->get_fileline() << ": warning: "
<< "Architecture " << arch->get_name()
<< " for entity " << idx->first
<< " is already defined here: " << old_arch->get_fileline() << endl;
parse_errors += 1;
}
}
const VType* calculate_subtype_array(const YYLTYPE&loc, const char*base_name,
ScopeBase* /* scope */,
Expression*array_left,
bool /* downto*/ ,
Expression*array_right)
{
const VType*base_type = parse_type_by_name(lex_strings.make(base_name));
if (base_type == 0) {
errormsg(loc, "Unable to find base type %s of array.\n", base_name);
return 0;
}
assert(array_left==0 || array_right!=0);
const VTypeArray*base_array = dynamic_cast<const VTypeArray*> (base_type);
if (base_array) {
assert(array_left && array_right);
vector<VTypeArray::range_t> range (base_array->dimensions());
// For now, I only know how to handle 1 dimension
assert(base_array->dimensions() == 1);
range[0] = VTypeArray::range_t(array_left, array_right);
VTypeArray*subtype = new VTypeArray(base_array->element_type(), range, base_array->signed_vector());
return subtype;
}
return base_type;
}
const VType* calculate_subtype_range(const YYLTYPE&loc, const char*base_name,
ScopeBase*scope,
Expression*range_left,
bool /* downto*/ ,
Expression*range_right)
{
const VType*base_type = parse_type_by_name(lex_strings.make(base_name));
if (base_type == 0) {
errormsg(loc, "Unable to find base type %s of range.\n", base_name);
return 0;
}
assert(range_left && range_right);
int64_t left_val, right_val;
bool rc = range_left->evaluate(scope, left_val);
if (rc == false)
return 0;
rc = range_right->evaluate(scope, right_val);
if (rc == false)
return 0;
VTypeRange*sub_type = new VTypeRange(base_type, left_val, right_val);
return sub_type;
}
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