Remove unused elab_anet.cc
elab_anet.cc was removed from the build in commit 4a8be3db9c ("Implement
bi-directional part selects."). But the file itself was never removed,
remove it now.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
This commit is contained in:
Lars-Peter Clausen
parent
fd69d4e09c
commit
69b108f661
167
elab_anet.cc
167
elab_anet.cc
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@ -1,167 +0,0 @@
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/*
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* Copyright (c) 2000-2021 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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# include "config.h"
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/*
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* The elaborate_anet methods elaborate expressions that are intended
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* to be the left side of procedural continuous assignments.
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*/
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# include "PExpr.h"
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# include "netlist.h"
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# include "netmisc.h"
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# include <iostream>
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using namespace std;
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NetNet* PExpr::elaborate_anet(Design*des, NetScope*scope) const
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{
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cerr << get_line() << ": error: Invalid expression on left side "
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<< "of procedural continuous assignment." << endl;
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return 0;
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}
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NetNet* PEConcat::elaborate_anet(Design*des, NetScope*scope) const
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{
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if (repeat_) {
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cerr << get_line() << ": error: Repeat concatenations make "
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"no sense in l-value expressions. I refuse." << endl;
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des->errors += 1;
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return 0;
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}
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std::vector<NetNet*> nets(parms_.count());
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unsigned pins = 0;
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unsigned errors = 0;
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for (unsigned idx = 0 ; idx < nets.count() ; idx += 1) {
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if (parms_[idx] == 0) {
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cerr << get_line() << ": error: Empty expressions "
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<< "not allowed in concatenations." << endl;
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errors += 1;
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continue;
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}
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nets[idx] = parms_[idx]->elaborate_anet(des, scope);
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if (nets[idx] == 0)
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errors += 1;
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else
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pins += nets[idx]->pin_count();
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}
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/* If any of the sub expressions failed to elaborate, then
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delete all those that did and abort myself. */
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if (errors) {
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for (unsigned idx = 0 ; idx < nets.count() ; idx += 1) {
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if (nets[idx]) delete nets[idx];
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}
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des->errors += 1;
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return 0;
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}
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/* Make the temporary signal that connects to all the
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operands, and connect it up. Scan the operands of the
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concat operator from least significant to most significant,
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which is opposite from how they are given in the list.
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Allow for a repeat count other than 1 by repeating the
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connect loop as many times as necessary. */
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NetNet*osig = new NetNet(scope, scope->local_symbol(),
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NetNet::IMPLICIT_REG, pins);
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/* Assume that all the data types are the same. */
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osig->data_type(nets[0]->data_type());
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pins = 0;
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for (unsigned idx = nets.count() ; idx > 0 ; idx -= 1) {
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NetNet*cur = nets[idx-1];
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assert(cur->data_type() == osig->data_type());
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for (unsigned pin = 0; pin < cur->pin_count(); pin += 1) {
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connect(osig->pin(pins), cur->pin(pin));
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pins += 1;
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}
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}
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osig->local_flag(true);
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return osig;
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}
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NetNet* PEIdent::elaborate_anet(Design*des, NetScope*scope) const
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{
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assert(scope);
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NetNet* sig = 0;
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NetMemory* mem = 0;
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const NetExpr*par = 0;
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NetEvent* eve = 0;
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symbol_search(this, des, scope, path_, sig, mem, par, eve);
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if (mem != 0) {
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cerr << get_line() << ": error: memories not allowed "
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<< "on left side of procedural continuous "
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<< "assignment." << endl;
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des->errors += 1;
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return 0;
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}
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if (eve != 0) {
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cerr << get_line() << ": error: named events not allowed "
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<< "on left side of procedural continuous "
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<< "assignment." << endl;
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des->errors += 1;
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return 0;
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}
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if (sig == 0) {
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cerr << get_line() << ": error: reg ``" << path_ << "'' "
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<< "is undefined in this scope." << endl;
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des->errors += 1;
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return 0;
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}
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switch (sig->type()) {
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case NetNet::REG:
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case NetNet::IMPLICIT_REG:
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break;
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default:
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cerr << get_line() << ": error: " << path_ << " is not "
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<< "a reg in this context." << endl;
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des->errors += 1;
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return 0;
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}
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assert(sig);
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if (msb_ || lsb_) {
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cerr << get_line() << ": error: bit/part selects not allowed "
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<< "on left side of procedural continuous assignment."
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<< endl;
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des->errors += 1;
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return 0;
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}
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return sig;
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}
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