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SV: merge darray/queue method checks in elab_expr 

Combine the nearly identical dynamic-array and queue method blocks in
test_width_method_ and elaborate_expr_method_ (including class property
paths), keeping queue-only pop_front/pop_back gated on queue type.
This commit is contained in:
mjoekhan 2026-07-21 11:05:57 +05:00
parent afe849249c
commit f796a59367
1 changed files with 37 additions and 175 deletions
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212
elab_expr.cc
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@ -1872,13 +1872,12 @@ unsigned PECallFunction::test_width_method_(Design*, NetScope*,
perm_string method_name = search_results.path_tail.back().name;
// Dynamic array variable without a select expression. The method
// applies to the array itself, and not to the object that might be
// indexed from it. So return
// the expr_width for the return value of the queue method. For example:
// <scope>.x.size();
// In this example, x is a dynamic array.
if (search_results.net && search_results.net->data_type()==IVL_VT_DARRAY
&& search_results.path_head.back().index.empty()) {
// Dynamic array or queue without a select expression. The method
// applies to the array itself. For example: <scope>.x.size();
if (search_results.net &&
(search_results.net->data_type()==IVL_VT_DARRAY ||
search_results.net->data_type()==IVL_VT_QUEUE) &&
search_results.path_head.back().index.empty()) {
const NetNet*net = search_results.net;
const netdarray_t*darray = net->darray_type();
@ -1892,14 +1891,16 @@ unsigned PECallFunction::test_width_method_(Design*, NetScope*,
return expr_width_;
}
if (method_name == "sum") {
expr_type_ = darray->element_base_type();
expr_width_ = darray->element_width();
min_width_ = expr_width_;
signed_flag_ = darray->get_signed();
if (net->queue_type() &&
(method_name=="pop_back" || method_name=="pop_front")) {
expr_type_ = darray->element_base_type();
expr_width_ = darray->element_width();
min_width_ = expr_width_;
signed_flag_= darray->get_signed();
return expr_width_;
}
if (method_name == "product") {
if (method_name == "sum" || method_name == "product") {
expr_type_ = darray->element_base_type();
expr_width_ = darray->element_width();
min_width_ = expr_width_;
@ -1936,78 +1937,6 @@ unsigned PECallFunction::test_width_method_(Design*, NetScope*,
return 0;
}
// Queue variable without a select expression. The method applies to the
// queue, and not to the object that might be indexed from it. So return
// the expr_width for the return value of the queue method. For example:
// <scope>.x.size();
// In this example, x is a queue.
if (search_results.net && search_results.net->data_type()==IVL_VT_QUEUE &&
search_results.path_head.back().index.empty()) {
const NetNet*net = search_results.net;
const netdarray_t*darray = net->darray_type();
ivl_assert(*this, darray);
if (method_name == "size") {
expr_type_ = IVL_VT_BOOL;
expr_width_ = 32;
min_width_ = expr_width_;
signed_flag_= true;
return expr_width_;
}
if (method_name=="pop_back" || method_name=="pop_front") {
expr_type_ = darray->element_base_type();
expr_width_ = darray->element_width();
min_width_ = expr_width_;
signed_flag_= darray->get_signed();
return expr_width_;
}
if (method_name == "sum") {
expr_type_ = darray->element_base_type();
expr_width_ = darray->element_width();
min_width_ = expr_width_;
signed_flag_ = darray->get_signed();
return expr_width_;
}
if (method_name == "product") {
expr_type_ = darray->element_base_type();
expr_width_ = darray->element_width();
min_width_ = expr_width_;
signed_flag_ = darray->get_signed();
return expr_width_;
}
if (method_name == "unique" || method_name == "unique_index" ||
method_name == "min" || method_name == "max" ||
method_name == "find" || method_name == "find_index") {
expr_type_ = IVL_VT_QUEUE;
expr_width_ = 1;
min_width_ = 1;
signed_flag_ = false;
return expr_width_;
}
if (method_name == "find_first" || method_name == "find_last") {
expr_type_ = darray->element_base_type();
expr_width_ = darray->element_width();
min_width_ = expr_width_;
signed_flag_ = darray->get_signed();
return expr_width_;
}
if (method_name == "find_first_index" || method_name == "find_last_index") {
expr_type_ = IVL_VT_BOOL;
expr_width_ = 32;
min_width_ = 32;
signed_flag_= true;
return expr_width_;
}
return 0;
}
// Queue variable with a select expression. The type of this expression
// is the type of the object that will interpret the method. For
// example:
@ -3882,13 +3811,15 @@ NetExpr* PECallFunction::elaborate_expr_method_(Design*des, NetScope*scope,
int pidx = cls->property_idx_from_name(prop_name);
if (pidx >= 0) {
ivl_type_t ptype = cls->get_prop_type(pidx);
if (ptype && dynamic_cast<const netqueue_t*>(ptype)) {
if (ptype &&
(ptype->base_type() == IVL_VT_DARRAY ||
ptype->base_type() == IVL_VT_QUEUE)) {
NetEProperty*prop = new NetEProperty(search_results.net, pidx, nullptr);
prop->set_line(*this);
perm_string method_name = search_results.path_tail.back().name;
ivl_type_t element_type = ivl_type_element(ptype);
const netqueue_t*queue = dynamic_cast<const netqueue_t*>(ptype);
ivl_assert(*this, queue);
ivl_type_t element_type = queue->element_type();
const char* kind = queue ? "queue" : "dynamic array";
if (method_name == "size") {
if (parms_.size() != 0) {
cerr << get_fileline() << ": error: size() method "
@ -3900,7 +3831,7 @@ NetExpr* PECallFunction::elaborate_expr_method_(Design*des, NetScope*scope,
sys_expr->parm(0, prop);
return sys_expr;
}
if (method_name == "pop_back") {
if (queue && method_name == "pop_back") {
if (parms_.size() != 0) {
cerr << get_fileline() << ": error: pop_back() method "
<< "takes no arguments" << endl;
@ -3912,7 +3843,7 @@ NetExpr* PECallFunction::elaborate_expr_method_(Design*des, NetScope*scope,
sys_expr->parm(0, prop);
return sys_expr;
}
if (method_name == "pop_front") {
if (queue && method_name == "pop_front") {
if (parms_.size() != 0) {
cerr << get_fileline() << ": error: pop_front() method "
<< "takes no arguments" << endl;
@ -3927,43 +3858,12 @@ NetExpr* PECallFunction::elaborate_expr_method_(Design*des, NetScope*scope,
if (is_array_locator_method(method_name)) {
return elab_array_locator_method(des, scope, *this,
method_name, prop, element_type,
static_cast<ivl_type_t>(queue),
parms_, with_expr_, "queue");
ptype, parms_, with_expr_, kind);
}
if (is_array_reduction_method(method_name)) {
return elab_array_reduction_method(des, scope, *this,
method_name, prop, element_type,
parms_, with_expr_, "queue");
}
}
if (ptype &&
(ptype->base_type() == IVL_VT_DARRAY ||
ptype->base_type() == IVL_VT_QUEUE)) {
NetEProperty*prop = new NetEProperty(search_results.net, pidx, nullptr);
prop->set_line(*this);
perm_string method_name = search_results.path_tail.back().name;
ivl_type_t element_type = ivl_type_element(ptype);
if (method_name == "size") {
if (parms_.size() != 0) {
cerr << get_fileline() << ": error: size() method "
<< "takes no arguments" << endl;
des->errors += 1;
}
NetESFunc*sys_expr = new NetESFunc("$size", &netvector_t::atom2u32, 1);
sys_expr->set_line(*this);
sys_expr->parm(0, prop);
return sys_expr;
}
if (is_array_locator_method(method_name)) {
return elab_array_locator_method(des, scope, *this,
method_name, prop, element_type,
ptype, parms_, with_expr_,
"array");
}
if (is_array_reduction_method(method_name)) {
return elab_array_reduction_method(des, scope, *this,
method_name, prop, element_type,
parms_, with_expr_, "array");
parms_, with_expr_, kind);
}
}
}
@ -4039,12 +3939,12 @@ NetExpr* PECallFunction::elaborate_expr_method_(Design*des, NetScope*scope,
ivl_assert(*this, sub_expr);
// Dynamic array methods. This handles the case that the located signal
// is a dynamic array, and there is no index.
if (search_results.net && search_results.net->data_type()==IVL_VT_DARRAY
&& search_results.path_head.back().index.size()==0) {
// Dynamic array or queue methods when there is no index.
if (search_results.net &&
(search_results.net->data_type()==IVL_VT_DARRAY ||
search_results.net->data_type()==IVL_VT_QUEUE) &&
search_results.path_head.back().index.size()==0) {
// Get the method name that we are looking for.
perm_string method_name = search_results.path_tail.back().name;
if (method_name == "size") {
@ -4063,49 +3963,11 @@ NetExpr* PECallFunction::elaborate_expr_method_(Design*des, NetScope*scope,
ivl_assert(*this, dar);
ivl_type_t element_type = dar->element_type();
const netqueue_t*queue = search_results.net->queue_type();
ivl_type_t queue_rtype = queue ? static_cast<ivl_type_t>(queue)
: static_cast<ivl_type_t>(dar);
ivl_type_t value_rtype = queue ? static_cast<ivl_type_t>(queue)
: static_cast<ivl_type_t>(dar);
const char* kind = queue ? "queue" : "dynamic array";
if (is_array_locator_method(method_name)) {
return elab_array_locator_method(des, scope, *this, method_name,
sub_expr, element_type,
queue_rtype, parms_, with_expr_,
"dynamic array");
}
if (is_array_reduction_method(method_name)) {
return elab_array_reduction_method(des, scope, *this, method_name,
sub_expr, element_type,
parms_, with_expr_,
"dynamic array");
}
cerr << get_fileline() << ": error: Method " << method_name
<< " is not a dynamic array method." << endl;
return 0;
}
// Queue methods. This handles the case that the located signal is a
// QUEUE object, and there is a method.
if (search_results.net && search_results.net->data_type()==IVL_VT_QUEUE &&
search_results.path_head.back().index.size()==0) {
// Get the method name that we are looking for.
perm_string method_name = search_results.path_tail.back().name;
if (method_name == "size") {
if (parms_.size() != 0) {
cerr << get_fileline() << ": error: size() method "
<< "takes no arguments" << endl;
des->errors += 1;
}
NetESFunc*sys_expr = new NetESFunc("$size", &netvector_t::atom2u32, 1);
sys_expr->set_line(*this);
sys_expr->parm(0, sub_expr);
return sys_expr;
}
const netqueue_t*queue = search_results.net->queue_type();
ivl_type_t element_type = queue->element_type();
if (method_name == "pop_back") {
if (queue && method_name == "pop_back") {
if (parms_.size() != 0) {
cerr << get_fileline() << ": error: pop_back() method "
<< "takes no arguments" << endl;
@ -4118,7 +3980,7 @@ NetExpr* PECallFunction::elaborate_expr_method_(Design*des, NetScope*scope,
return sys_expr;
}
if (method_name == "pop_front") {
if (queue && method_name == "pop_front") {
if (parms_.size() != 0) {
cerr << get_fileline() << ": error: pop_front() method "
<< "takes no arguments" << endl;
@ -4134,17 +3996,17 @@ NetExpr* PECallFunction::elaborate_expr_method_(Design*des, NetScope*scope,
if (is_array_locator_method(method_name)) {
return elab_array_locator_method(des, scope, *this, method_name,
sub_expr, element_type,
static_cast<ivl_type_t>(queue),
parms_, with_expr_, "queue");
value_rtype, parms_, with_expr_,
kind);
}
if (is_array_reduction_method(method_name)) {
return elab_array_reduction_method(des, scope, *this, method_name,
sub_expr, element_type,
parms_, with_expr_, "queue");
parms_, with_expr_, kind);
}
cerr << get_fileline() << ": error: Method " << method_name
<< " is not a queue method." << endl;
<< " is not a " << kind << " method." << endl;
des->errors += 1;
return 0;
}