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pform_dump.cc
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pform_dump.cc
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/*
* Copyright (c) 1998-2024 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.
*/
# include "config.h"
/*
* This file provides the pform_dump function, that dumps the module
* passed as a parameter. The dump is as much as possible in Verilog
* syntax, so that a human can tell that it really does describe the
* module in question.
*/
# include "pform.h"
# include "PClass.h"
# include "PEvent.h"
# include "PGenerate.h"
# include "PPackage.h"
# include "PSpec.h"
# include "PTask.h"
# include "discipline.h"
# include "ivl_target_priv.h"
# include <iostream>
# include <iomanip>
# include <typeinfo>
using namespace std;
ostream& operator << (ostream&out, const PExpr&obj)
{
obj.dump(out);
return out;
}
ostream& operator << (ostream&out, const PEventStatement&obj)
{
obj.dump_inline(out);
return out;
}
ostream& operator << (ostream&o, const PDelays&d)
{
d.dump_delays(o);
return o;
}
ostream& operator<< (ostream&out, const index_component_t&that)
{
out << "[";
switch (that.sel) {
case index_component_t::SEL_BIT:
out << *that.msb;
break;
case index_component_t::SEL_BIT_LAST:
out << "$";
break;
case index_component_t::SEL_PART:
out << *that.msb << ":" << *that.lsb;
break;
case index_component_t::SEL_IDX_UP:
out << *that.msb << "+:" << *that.lsb;
break;
case index_component_t::SEL_IDX_DO:
out << *that.msb << "-:" << *that.lsb;
break;
default:
out << "???";
break;
}
out << "]";
return out;
}
ostream& operator<< (ostream&out, const name_component_t&that)
{
if (that.name == THIS_TOKEN)
out << "this";
else if (that.name == SUPER_TOKEN)
out << "super";
else
out << that.name.str();
typedef std::list<index_component_t>::const_iterator index_it_t;
for (index_it_t idx = that.index.begin()
; idx != that.index.end() ; ++ idx ) {
out << *idx;
}
return out;
}
ostream& operator<< (ostream&o, const pform_name_t&that)
{
pform_name_t::const_iterator cur;
if (that.empty()) {
o << "<nil>";
return o;
}
cur = that.begin();
o << *cur;
++ cur;
while (cur != that.end()) {
o << "." << *cur;
++ cur;
}
return o;
}
ostream& operator<< (ostream &o, const pform_scoped_name_t &that)
{
if (that.package) {
o << that.package->pscope_name() << "::";
}
o << that.name;
return o;
}
std::ostream& operator << (std::ostream&out, ivl_process_type_t pt)
{
switch (pt) {
case IVL_PR_INITIAL:
out << "initial";
break;
case IVL_PR_ALWAYS:
out << "always";
break;
case IVL_PR_ALWAYS_COMB:
out << "always_comb";
break;
case IVL_PR_ALWAYS_FF:
out << "always_ff";
break;
case IVL_PR_ALWAYS_LATCH:
out << "always_latch";
break;
case IVL_PR_FINAL:
out << "final";
break;
}
return out;
}
std::ostream& operator << (std::ostream&out, ivl_dis_domain_t dom)
{
switch (dom) {
case IVL_DIS_NONE:
out << "no-domain";
break;
case IVL_DIS_DISCRETE:
out << "discrete";
break;
case IVL_DIS_CONTINUOUS:
out << "continuous";
break;
default:
assert(0);
break;
}
return out;
}
static std::ostream& operator << (std::ostream &out, const std::vector<PExpr*> &exprs)
{
for (size_t idx = 0; idx < exprs.size(); idx++) {
if (idx != 0)
out << ", ";
if (exprs[idx])
exprs[idx]->dump(out);
}
return out;
}
static std::ostream& operator << (std::ostream &out,
const std::vector<named_pexpr_t> &exprs)
{
for (size_t idx = 0; idx < exprs.size(); idx++) {
if (idx != 0)
out << ", ";
if (!exprs[idx].name.nil())
out << "." << exprs[idx].name << "(";
if (exprs[idx].parm)
exprs[idx].parm->dump(out);
if (!exprs[idx].name.nil())
out << ")";
}
return out;
}
void data_type_t::pform_dump(ostream&out, unsigned indent) const
{
out << setw(indent) << "" << typeid(*this).name() << endl;
}
ostream& data_type_t::debug_dump(ostream&out) const
{
out << typeid(*this).name();
return out;
}
std::ostream& typeref_t::debug_dump(ostream&out) const
{
if (scope)
out << scope->pscope_name() << "::";
out << type->name;
return out;
}
ostream& atom_type_t::debug_dump(ostream&out) const
{
if (signed_flag)
out << "signed ";
else
out << "unsigned ";
switch (type_code) {
case INTEGER:
out << "integer";
break;
case TIME:
out << "time";
break;
case LONGINT:
out << "longint";
break;
case INT:
out << "int";
break;
case SHORTINT:
out << "shortint";
break;
case BYTE:
out << "byte";
break;
default:
assert(0);
break;
}
return out;
}
void void_type_t::pform_dump(ostream&out, unsigned indent) const
{
out << setw(indent) << "" << "void" << endl;
}
void parray_type_t::pform_dump(ostream&out, unsigned indent) const
{
out << setw(indent) << "" << "Packed array " << "[...]"
<< " of:" << endl;
base_type->pform_dump(out, indent+4);
}
ostream& real_type_t::debug_dump(ostream&out) const
{
switch (type_code_) {
case REAL:
out << "real";
break;
case SHORTREAL:
out << "shortreal";
break;
}
return out;
}
void struct_type_t::pform_dump(ostream&out, unsigned indent) const
{
out << setw(indent) << "" << "Struct " << (packed_flag?"packed":"unpacked")
<< " with " << (members.get()==0? 0 : members->size()) << " members" << endl;
if (members.get()==0)
return;
for (list<struct_member_t*>::iterator cur = members->begin()
; cur != members->end() ; ++ cur) {
struct_member_t*curp = *cur;
curp->pform_dump(out, indent+4);
}
}
void uarray_type_t::pform_dump(ostream&out, unsigned indent) const
{
out << setw(indent) << "" << "Unpacked array " << "[...]"
<< " of:" << endl;
base_type->pform_dump(out, indent+4);
}
void vector_type_t::pform_dump(ostream&fd, unsigned indent) const
{
fd << setw(indent) << "" << "vector of " << base_type;
if (pdims.get()) {
for (list<pform_range_t>::iterator cur = pdims->begin()
; cur != pdims->end() ; ++cur) {
fd << "[";
if (cur->first) fd << *(cur->first);
if (cur->second) fd << ":" << *(cur->second);
fd << "]";
}
}
fd << endl;
}
ostream& vector_type_t::debug_dump(ostream&fd) const
{
if (signed_flag)
fd << "signed ";
if (!pdims.get()) {
fd << "/* vector_type_t nil */";
return fd;
}
for (list<pform_range_t>::iterator cur = pdims->begin()
; cur != pdims->end() ; ++cur) {
fd << "[";
if (cur->first) fd << *(cur->first);
if (cur->second) fd << ":" << *(cur->second);
fd << "]";
}
return fd;
}
void class_type_t::pform_dump(ostream&out, unsigned indent) const
{
out << setw(indent) << "" << "class " << name;
if (base_type) out << " extends <type>";
if (! base_args.empty()) {
out << " (" << base_args << ")";
}
out << " {";
for (map<perm_string,prop_info_t>::const_iterator cur = properties.begin()
; cur != properties.end() ; ++cur) {
out << " " << cur->first;
}
out << " }" << endl;
if (base_type) base_type->pform_dump(out, indent+4);
}
void class_type_t::pform_dump_init(ostream&out, unsigned indent) const
{
for (vector<Statement*>::const_iterator cur = initialize.begin()
; cur != initialize.end() ; ++cur) {
Statement*curp = *cur;
curp->dump(out,indent+4);
}
}
void struct_member_t::pform_dump(ostream&out, unsigned indent) const
{
out << setw(indent) << "" << (type.get()? typeid(*type).name() : "<nil type>");
for (list<decl_assignment_t*>::iterator cur = names->begin()
; cur != names->end() ; ++cur) {
decl_assignment_t*curp = *cur;
out << " " << curp->name.first;
}
out << ";" << endl;
}
static void dump_attributes_map(ostream&out,
const map<perm_string,PExpr*>&attributes,
int ind)
{
for (map<perm_string,PExpr*>::const_iterator idx = attributes.begin()
; idx != attributes.end() ; ++ idx ) {
out << setw(ind) << "" << "(* " << (*idx).first;
if ((*idx).second) {
out << " = " << *(*idx).second;
}
out << " *)" << endl;
}
}
void PExpr::dump(ostream&out) const
{
out << typeid(*this).name();
}
void PEAssignPattern::dump(ostream&out) const
{
out << "'{" << parms_ << "}";
}
void PEConcat::dump(ostream&out) const
{
if (repeat_)
out << "{" << *repeat_;
if (parms_.empty()) {
out << "{}";
return;
}
out << "{" << parms_ << "}";
if (repeat_) out << "}";
}
void PECallFunction::dump(ostream &out) const
{
out << path_ << "(" << parms_ << ")";
}
void PECastSize::dump(ostream &out) const
{
out << *size_ << "'(";
base_->dump(out);
out << ")";
}
void PECastType::dump(ostream &out) const
{
target_->pform_dump(out, 0);
out << "'(";
base_->dump(out);
out << ")";
}
void PECastSign::dump(ostream &out) const
{
if (!signed_flag_)
out << "un";
out << "signed'(";
base_->dump(out);
out << ")";
}
void PEEvent::dump(ostream&out) const
{
switch (type_) {
case PEEvent::ANYEDGE:
break;
case PEEvent::POSEDGE:
out << "posedge ";
break;
case PEEvent::NEGEDGE:
out << "negedge ";
break;
case PEEvent::EDGE:
out << "edge ";
break;
case PEEvent::POSITIVE:
out << "positive ";
break;
}
out << *expr_;
}
void PEFNumber::dump(ostream &out) const
{
out << value();
}
void PENewArray::dump(ostream&out) const
{
out << "new [" << *size_ << "]";
if (init_)
out << "(" << *init_ << ")";
}
void PENewClass::dump(ostream&out) const
{
out << "class_new(" << parms_ << ")";
}
void PENewCopy::dump(ostream&out) const
{
out << "copy_new(";
src_->dump(out);
out << ")";
}
void PENull::dump(ostream&out) const
{
out << "null";
}
void PENumber::dump(ostream&out) const
{
out << value();
}
void PEIdent::dump(ostream&out) const
{
out << path_;
}
void PEString::dump(ostream&out) const
{
out << "\"" << text_ << "\"";
}
void PETernary::dump(ostream&out) const
{
out << "(" << *expr_ << ")?(" << *tru_ << "):(" << *fal_ << ")";
}
void PETypename::dump(ostream&fd) const
{
fd << "<type>";
}
void PEUnary::dump(ostream&out) const
{
switch (op_) {
case 'm':
out << "abs";
break;
default:
out << op_;
break;
}
out << "(" << *expr_ << ")";
}
void PEBinary::dump(ostream&out) const
{
/* Handle some special cases, where the operators are written
in function notation. */
if (op_ == 'm') {
out << "min(" << *left_ << "," << *right_ << ")";
return;
}
if (op_ == 'M') {
out << "min(" << *left_ << "," << *right_ << ")";
return;
}
if (left_)
out << "(" << *left_ << ")";
else
out << "(<nil>)";
switch (op_) {
case 'a':
out << "&&";
break;
case 'e':
out << "==";
break;
case 'E':
out << "===";
break;
case 'G':
out << ">=";
break;
case 'l':
out << "<<";
break;
case 'L':
out << "<=";
break;
case 'n':
out << "!=";
break;
case 'N':
out << "!==";
break;
case 'p':
out << "**";
break;
case 'R':
out << ">>>";
break;
case 'r':
out << ">>";
break;
default:
out << op_;
break;
}
if (right_)
out << "(" << *right_ << ")";
else
out << "(<nil>)";
}
void PWire::dump(ostream&out, unsigned ind) const
{
out << setw(ind) << "" << type_;
switch (port_type_) {
case NetNet::PIMPLICIT:
out << " implicit input";
break;
case NetNet::PINPUT:
out << " input";
break;
case NetNet::POUTPUT:
out << " output";
break;
case NetNet::PINOUT:
out << " inout";
break;
case NetNet::PREF:
out << " ref";
break;
case NetNet::NOT_A_PORT:
break;
}
if (signed_) {
out << " signed";
}
if (is_scalar_) {
out << " scalar";
}
if (set_data_type_) {
out << " set_data_type_=" << *set_data_type_;
}
if (discipline_) {
out << " discipline<" << discipline_->name() << ">";
}
if (port_set_) {
if (port_.empty()) {
out << " port<scalar>";
} else {
out << " port";
for (list<pform_range_t>::const_iterator cur = port_.begin()
; cur != port_.end() ; ++cur) {
out << "[";
if (cur->first) out << *cur->first;
if (cur->second) out << ":" << *cur->second;
out << "]";
}
}
}
if (net_set_) {
if (net_.empty()) {
out << " net<scalar>";
} else {
out << " net";
for (list<pform_range_t>::const_iterator cur = net_.begin()
; cur != net_.end() ; ++cur) {
out << "[";
if (cur->first) out << *cur->first;
if (cur->second) out << ":" << *cur->second;
out << "]";
}
}
}
out << " " << name_;
// If the wire has unpacked indices, dump them.
for (list<pform_range_t>::const_iterator cur = unpacked_.begin()
; cur != unpacked_.end() ; ++cur) {
out << "[";
if (cur->first) out << *cur->first;
if (cur->second) out << ":" << *cur->second;
out << "]";
}
out << ";" << endl;
if (set_data_type_) {
set_data_type_->pform_dump(out, 8);
}
dump_attributes_map(out, attributes, 8);
}
void PGate::dump_pins(ostream&out) const
{
if (pin_count()) {
if (pin(0)) out << *pin(0);
for (unsigned idx = 1 ; idx < pin_count() ; idx += 1) {
out << ", ";
if (pin(idx)) out << *pin(idx);
}
}
}
void PDelays::dump_delays(ostream&out) const
{
if (delay_[0] && delay_[1] && delay_[2])
out << "#(" << *delay_[0] << "," << *delay_[1] << "," <<
*delay_[2] << ")";
else if (delay_[0] && delay_[1])
out << "#(" << *delay_[0] << "," << *delay_[1] << ")";
else if (delay_[0])
out << "#" << *delay_[0];
else
out << "#0";
}
void PGate::dump_delays(ostream&out) const
{
delay_.dump_delays(out);
}
void PGate::dump_ranges(ostream&out) const
{
for (list<pform_range_t>::iterator cur = ranges_->begin()
; cur != ranges_->end() ; ++cur) {
out << "[";
if (cur->first) out << *(cur->first);
if (cur->second) out << ":" << *(cur->second);
out << "]";
}
}
void PGate::dump(ostream&out, unsigned ind) const
{
out << setw(ind) << "" << typeid(*this).name() << " ";
delay_.dump_delays(out);
out << " " << get_name() << "(";
dump_pins(out);
out << ");" << endl;
}
void PGAssign::dump(ostream&out, unsigned ind) const
{
out << setw(ind) << "";
out << "assign (" << strength0() << "0 " << strength1() << "1) ";
dump_delays(out);
out << " " << *pin(0) << " = " << *pin(1) << ";" << endl;
}
void PGBuiltin::dump(ostream&out, unsigned ind) const
{
out << setw(ind) << "";
switch (type()) {
case PGBuiltin::BUFIF0:
out << "bufif0 ";
break;
case PGBuiltin::BUFIF1:
out << "bufif1 ";
break;
case PGBuiltin::NOTIF0:
out << "notif0 ";
break;
case PGBuiltin::NOTIF1:
out << "notif1 ";
break;
case PGBuiltin::NAND:
out << "nand ";
break;
case PGBuiltin::NMOS:
out << "nmos ";
break;
case PGBuiltin::RNMOS:
out << "rnmos ";
break;
case PGBuiltin::RPMOS:
out << "rpmos ";
break;
case PGBuiltin::PMOS:
out << "pmos ";
break;
case PGBuiltin::RCMOS:
out << "rcmos ";
break;
case PGBuiltin::CMOS:
out << "cmos ";
break;
default:
out << "builtin gate ";
}
out << "(" << strength0() << "0 " << strength1() << "1) ";
dump_delays(out);
out << " " << get_name();
dump_ranges(out);
out << "(";
dump_pins(out);
out << ");" << endl;
}
void PGModule::dump(ostream&out, unsigned ind) const
{
out << setw(ind) << "" << type_ << " ";
// If parameters are overridden by order, dump them.
if (overrides_ && (! overrides_->empty())) {
assert(parms_ == 0);
out << "#(";
list<PExpr*>::const_iterator idx = overrides_->begin();
if (*idx == 0)
out << "<nil>";
else
out << *idx;
for ( ; idx != overrides_->end() ; ++ idx) {
out << "," << *idx;
}
out << ") ";
}
// If parameters are overridden by name, dump them.
if (parms_) {
assert(overrides_ == 0);
out << "#(" << parms_ << ") ";
}
out << get_name();
dump_ranges(out);
out << "(";
if (pins_) {
out << "." << pins_[0].name << "(";
if (pins_[0].parm) out << *pins_[0].parm;
out << ")";
for (unsigned idx = 1 ; idx < npins_ ; idx += 1) {
out << ", ." << pins_[idx].name << "(";
if (pins_[idx].parm)
out << *pins_[idx].parm;
out << ")";
}
} else {
dump_pins(out);
}
out << ");" << endl;
dump_attributes_map(out, attributes, 8);
}
void Statement::dump(ostream&out, unsigned ind) const
{
/* I give up. I don't know what type this statement is,
so just print the C++ typeid and let the user figure
it out. */
out << setw(ind) << "";
out << "/* " << get_fileline() << ": " << typeid(*this).name()
<< " */ ;" << endl;
dump_attributes_map(out, attributes, ind+2);
}
void AContrib::dump(ostream&out, unsigned ind) const
{
out << setw(ind) << "";
out << *lval_ << " <+ " << *rval_
<< "; /* " << get_fileline() << " */"
<< endl;
}
void PAssign::dump(ostream&out, unsigned ind) const
{
out << setw(ind) << "";
if (lval()) out << *lval();
else out << "<dummy>";
out << " = ";
if (delay_) out << "#" << *delay_ << " ";
if (count_) out << "repeat(" << *count_ << ") ";
if (event_) out << *event_ << " ";
PExpr*rexpr = rval();
if (rexpr) out << *rval() << ";";
else out << "<no rval>;";
out << " /* " << get_fileline() << " */" << endl;
}
void PAssignNB::dump(ostream&out, unsigned ind) const
{
out << setw(ind) << "" << *lval() << " <= ";
if (delay_) out << "#" << *delay_ << " ";
if (count_) out << "repeat(" << *count_ << ") ";
if (event_) out << *event_ << " ";
out << *rval() << ";" << " /* " << get_fileline() << " */" << endl;
}
void PBlock::dump(ostream&out, unsigned ind) const
{
out << setw(ind) << "" << "begin";
if (pscope_name() != 0)
out << " : " << pscope_name();
out << endl;
if (pscope_name() != 0) {
dump_parameters_(out, ind+2);
dump_events_(out, ind+2);
dump_wires_(out, ind+2);
dump_var_inits_(out, ind+2);
}
for (unsigned idx = 0 ; idx < list_.size() ; idx += 1) {
if (list_[idx])
list_[idx]->dump(out, ind+2);
else
out << setw(ind+2) << "" << "/* NOOP */ ;" << endl;
}
out << setw(ind) << "" << "end" << endl;
}
void PBreak::dump(ostream&out, unsigned ind) const
{
out << setw(ind) << "" << "break;" << endl;
}
void PCallTask::dump(ostream&out, unsigned ind) const
{
out << setw(ind) << "" << path_;
if (! parms_.empty()) {
out << "(" << parms_ << ")";
}
out << "; /* " << get_fileline() << " */" << endl;
}
void PCase::dump(ostream&out, unsigned ind) const
{
out << setw(ind) << "";
switch (quality_) {
case IVL_CASE_QUALITY_BASIC:
break;
case IVL_CASE_QUALITY_UNIQUE:
out << "unique ";
break;
case IVL_CASE_QUALITY_UNIQUE0:
out << "unique0 ";
break;
case IVL_CASE_QUALITY_PRIORITY:
out << "priority ";
break;
}
switch (type_) {
case NetCase::EQ:
out << "case";
break;
case NetCase::EQX:
out << "casex";
break;
case NetCase::EQZ:
out << "casez";
break;
}
out << " (" << *expr_ << ") /* " << get_fileline() << " */" << endl;
dump_attributes_map(out, attributes, ind+2);
for (unsigned idx = 0 ; idx < items_->size() ; idx += 1) {
PCase::Item*cur = (*items_)[idx];
if (cur->expr.empty()) {
out << setw(ind+2) << "" << "default:";
} else {
list<PExpr*>::iterator idx_exp = cur->expr.begin();
out << setw(ind+2) << "";
(*idx_exp)->dump(out);
for (++idx_exp ; idx_exp != cur->expr.end() ; ++idx_exp) {
out << ", ";
(*idx_exp)->dump(out);
}
out << ":";
}
if (cur->stat) {
out << endl;
cur->stat->dump(out, ind+6);
} else {
out << " ;" << endl;
}
}
out << setw(ind) << "" << "endcase" << endl;
}
void PChainConstructor::dump(ostream&out, unsigned ind) const
{
out << setw(ind) << "" << "super.new(" << parms_ << ")" <<endl;
}
void PCondit::dump(ostream&out, unsigned ind) const
{
out << setw(ind) << "" << "if (" << *expr_ << ")" << endl;
if (if_)
if_->dump(out, ind+3);