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/* $Id$
*
* For different symbol bearing nodes, determine the full vhdl path name.
*
* Copyright (C) 2008-2009 FAUmachine Team <info@faumachine.org>.
* This program is free software. You can redistribute it and/or modify it
* under the terms of the GNU General Public License, either version 2 of
* the License, or (at your option) any later version. See COPYING.
*/
#include "frontend/visitor/SetPathName.hpp"
#include <cassert>
#include "frontend/visitor/ResolveTypes.hpp"
#include "frontend/ast/Library.hpp"
#include "frontend/ast/Entity.hpp"
#include "frontend/ast/Architecture.hpp"
#include "frontend/ast/Package.hpp"
#include "frontend/ast/Process.hpp"
#include "frontend/ast/FunctionDeclaration.hpp"
#include "frontend/ast/ProcedureDeclaration.hpp"
#include "util/MiscUtil.hpp"
namespace ast {
SetPathName::SetPathName() : anonCounter(0)
{
}
void
SetPathName::visit(Library &node)
{
this->currentPath.push_back(*node.name);
this->listTraverse(node.units);
this->currentPath.pop_back();
}
void
SetPathName::visit(Entity &node)
{
//FIXME? LRM, p202 doesn't show the library path name?
this->currentPath.push_back(*node.name);
if (node.generics != NULL) {
this->listTraverse(*node.generics);
}
if (node.ports != NULL) {
this->listTraverse(*node.ports);
}
if (node.declarations != NULL) {
this->listTraverse(*node.declarations);
}
this->currentPath.pop_back();
this->process(node);
}
void
SetPathName::visit(Architecture &node)
{
assert(node.entity != NULL);
this->currentPath.push_back(*node.entity->name);
//skip use and library clauses
if (node.declarations != NULL) {
this->listTraverse(*node.declarations);
}
//FIXME two architectures for same entity not handled.
this->anonCounter = 0;
if (node.concurrentStats != NULL) {
this->listTraverse(*node.concurrentStats);
}
this->currentPath.pop_back();
this->process(node);
}
void
SetPathName::visit(Package &node)
{
assert(node.name != NULL);
this->currentPath.push_back(*node.name);
TopDownVisitor::visit(node);
this->currentPath.pop_back();
this->process(node);
}
void
SetPathName::visit(Process &node)
{
if (node.name != NULL) {
this->process(node);
this->currentPath.push_back(*node.name);
} else {
std::string anonName = "__anonymous__"
+ util::MiscUtil::toString(this->anonCounter);
this->anonCounter++;
this->currentPath.push_back(anonName);
node.pathName = this->getPath();
}
if (node.declarations != NULL) {
this->listTraverse(*node.declarations);
}
if (node.seqStats != NULL) {
this->listTraverse(*node.seqStats);
}
this->currentPath.pop_back();
}
void
SetPathName::visit(FunctionDeclaration &node)
{
assert(node.returnType != NULL);
const TypeDeclaration *returnType =
ResolveTypes::findBaseType(node.returnType);
assert(returnType != NULL);
std::string suffix = "return " + *(returnType->name);
this->processCallable(node, &suffix);
}
void
SetPathName::visit(ProcedureDeclaration &node)
{
this->processCallable(node, NULL);
}
void
SetPathName::process(SymbolDeclaration &node)
{
if (node.name != NULL) {
node.pathName = this->getPath() + *node.name + ':';
}
}
void
SetPathName::processCallable(Callable &node, const std::string *pSuffix)
{
std::string argPathName = *node.name;
assert(node.arguments != NULL);
argPathName += "[";
for (std::list<ValDeclaration*>::const_iterator i =
node.arguments->begin(); i != node.arguments->end(); i++) {
if (i != node.arguments->begin()) {
argPathName += ",";
}
const TypeDeclaration *baseType =
ResolveTypes::findBaseType((*i)->subtypeIndic);
argPathName += *baseType->name;
}
if (! (node.arguments->empty() || (pSuffix == NULL))) {
argPathName += ' ';
}
if (pSuffix != NULL) {
argPathName += (*pSuffix);
}
argPathName += "]";
this->currentPath.push_back(argPathName);
node.pathName = this->getPath();
this->listTraverse(*node.arguments);
if (node.definition != NULL) {
node.definition->accept(*this);
}
this->currentPath.pop_back();
}
std::string
SetPathName::getPath(void) const
{
std::string ret;
for (std::list<std::string>::const_iterator i =
this->currentPath.begin(); i != this->currentPath.end();
i++) {
ret += ":";
ret += *i;
}
ret += ":";
return ret;
}
}; /* namespace ast */
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