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This commit is contained in:
Nick Brereton 2026-06-22 13:29:27 -04:00
parent 7e71377b9b
commit 2004c87892
4 changed files with 25 additions and 23 deletions
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26
include/verilated_vpi.cpp
View File

@ -69,7 +69,7 @@ constexpr unsigned VL_VPI_LINE_SIZE_ = 8192;
//======================================================================
// Implementation
static const char* vl_vpi_find_unescaped_dot(const char* posp) {
static const char* _vl_vpi_find_unescaped_dot(const char* posp) {
for (; *posp; ++posp) {
if (*posp == '\\') {
while (*posp && *posp != ' ') ++posp;
@ -81,10 +81,10 @@ static const char* vl_vpi_find_unescaped_dot(const char* posp) {
return nullptr;
}
static std::string vl_vpi_member_local_name(const char* const namep) {
static std::string _vl_vpi_member_local_name(const char* const namep) {
const char* localp = namep;
const char* posp = namep;
while ((posp = vl_vpi_find_unescaped_dot(posp))) localp = ++posp;
while ((posp = _vl_vpi_find_unescaped_dot(posp))) localp = ++posp;
return localp;
}
@ -398,8 +398,9 @@ public:
: VerilatedVpioVarBase{varp, scopep} {
m_entSize = varp->entSize();
m_varDatap = varp->datap();
if (vl_vpi_find_unescaped_dot(varp->name()))
m_name = vl_vpi_member_local_name(varp->name());
if (_vl_vpi_find_unescaped_dot(varp->name())) {
m_name = _vl_vpi_member_local_name(varp->name());
}
}
VerilatedVpioVar(const VerilatedVar* varp, const VerilatedScope* scopep, void* datap,
const std::string& name, const std::string& fullname)
@ -514,7 +515,7 @@ public:
const auto offset
= static_cast<uint8_t*>(memberDatap) - static_cast<uint8_t*>(parentDatap);
const std::string localName = vl_vpi_member_local_name(memberVarp->name());
const std::string localName = _vl_vpi_member_local_name(memberVarp->name());
return new VerilatedVpioVar{memberVarp, scopep(),
static_cast<uint8_t*>(varDatap()) + offset, localName,
@ -699,7 +700,7 @@ public:
const char* const name = m_it->second.name();
if (std::strncmp(name, m_namePrefix.c_str(), m_namePrefix.length()) != 0) continue;
// Only direct members, not grandchildren
if (vl_vpi_find_unescaped_dot(name + m_namePrefix.length())) continue;
if (_vl_vpi_find_unescaped_dot(name + m_namePrefix.length())) continue;
VerilatedVpioVar* const memberp = m_varp->withMember(&(m_it->second));
if (VL_UNLIKELY(!memberp)) continue;
return memberp->castVpiHandle();
@ -714,7 +715,7 @@ public:
explicit VerilatedVpioModule(const VerilatedScope* modulep)
: VerilatedVpioScope{modulep} {
// Look for '.' not inside escaped identifier
if (VL_UNLIKELY(!vl_vpi_find_unescaped_dot(m_fullname))) m_toplevel = true;
if (VL_UNLIKELY(!_vl_vpi_find_unescaped_dot(m_fullname))) m_toplevel = true;
}
// cppcheck-suppress duplInheritedMember
static VerilatedVpioModule* castp(vpiHandle h) {
@ -2517,7 +2518,7 @@ static const VerilatedScope* vl_vpi_top_port_scopep(const VerilatedScope* const
if (VL_UNLIKELY(!scopep)) return nullptr;
if (scopep->type() != VerilatedScope::SCOPE_MODULE) return nullptr;
if (std::strcmp(scopep->name(), "TOP") == 0) return nullptr;
if (vl_vpi_find_unescaped_dot(scopep->name())) return nullptr;
if (_vl_vpi_find_unescaped_dot(scopep->name())) return nullptr;
return Verilated::threadContextp()->scopeFind("TOP");
}
@ -2591,7 +2592,7 @@ static std::vector<std::string> vl_vpi_split_dotted_name(const std::string& name
const char* const namep = name.c_str();
const char* beginp = namep;
const char* posp = beginp;
while ((posp = vl_vpi_find_unescaped_dot(posp))) {
while ((posp = _vl_vpi_find_unescaped_dot(posp))) {
parts.emplace_back(beginp, posp - beginp);
beginp = ++posp;
}
@ -2626,7 +2627,8 @@ vl_vpi_handle_indexed_member_from_scope(const VerilatedScope* const scopep,
= fullnameOverride.empty()
? new VerilatedVpioVar{baseVarp, varScopep}
: new VerilatedVpioVar{baseVarp, varScopep, baseVarp->datap(),
vl_vpi_member_local_name(baseVarp->name()), fullnameOverride};
_vl_vpi_member_local_name(baseVarp->name()),
fullnameOverride};
VerilatedVpioVar* vop = vl_vpi_handle_apply_indices(baseVop, indices);
if (!vop) return nullptr;
@ -2785,7 +2787,7 @@ vpiHandle vpi_handle_by_name(PLI_BYTE8* namep, vpiHandle scope) {
} else if (!fullnameOverride.empty()) {
resultHandle
= (new VerilatedVpioVar{varp, scopep, varp->datap(),
vl_vpi_member_local_name(varp->name()), fullnameOverride})
_vl_vpi_member_local_name(varp->name()), fullnameOverride})
->castVpiHandle();
} else {
resultHandle = (new VerilatedVpioVar{varp, scopep})->castVpiHandle();

2
src/V3EmitCSyms.cpp
View File

@ -220,7 +220,7 @@ class EmitCSyms final : EmitCBaseVisitorConst {
dtypep = dtypep->skipRefp();
const AstUnpackArrayDType* const adtypep = VN_CAST(dtypep, UnpackArrayDType);
if (!adtypep) break;
elements *= std::abs(adtypep->left() - adtypep->right()) + 1;
elements *= adtypep->elementsConst();
dtypep = adtypep->subDTypep();
}
return elements;

14
test_regress/t/t_vpi_var.cpp
View File

@ -691,7 +691,7 @@ int _mon_check_unpacked_struct_members() {
CHECK_RESULT(vpi_get(vpiType, vh173), vpiRegArray);
CHECK_RESULT(vpi_get(vpiSize, vh173), 4);
TestVpiHandle vh174 = vpi_handle_by_index(vh173, 2);
TestVpiHandle vh174 = vpi_handle_by_index(vh173, 3);
CHECK_RESULT_NZ(vh174);
CHECK_RESULT(vpi_get(vpiType, vh174), vpiReg);
CHECK_RESULT(vpi_get(vpiSize, vh174), 8);
@ -706,7 +706,7 @@ int _mon_check_unpacked_struct_members() {
CHECK_RESULT(vpi_get(vpiType, vh17a), vpiRegArray);
CHECK_RESULT(vpi_get(vpiSize, vh17a), 2);
TestVpiHandle vh17b = vpi_handle_by_index(vh17a, 0);
TestVpiHandle vh17b = vpi_handle_by_index(vh17a, 2);
CHECK_RESULT_NZ(vh17b);
CHECK_RESULT(vpi_get(vpiType, vh17b), vpiStructVar);
@ -736,7 +736,7 @@ int _mon_check_unpacked_struct_members() {
CHECK_RESULT(vpi_get(vpiType, vh176), vpiRegArray);
CHECK_RESULT(vpi_get(vpiSize, vh176), 2);
TestVpiHandle vh177 = vpi_handle_by_index(vh176, 1);
TestVpiHandle vh177 = vpi_handle_by_index(vh176, 3);
CHECK_RESULT_NZ(vh177);
CHECK_RESULT(vpi_get(vpiType, vh177), vpiStructVar);
@ -751,7 +751,7 @@ int _mon_check_unpacked_struct_members() {
TestVpiHandle vh179
= vpi_handle_by_name(const_cast<PLI_BYTE8*>(TestSimulator::rooted(
"parent_struct_array[1].children[1].child_leaf")),
"parent_struct_array[1].children[3].child_leaf")),
nullptr);
CHECK_RESULT_NZ(vh179);
vpi_get_value(vh179, &tmpValue);
@ -759,7 +759,7 @@ int _mon_check_unpacked_struct_members() {
TestVpiHandle vh17d = vpi_handle_by_name((PLI_BYTE8*)"trailing_children", vh172);
CHECK_RESULT_NZ(vh17d);
TestVpiHandle vh17e = vpi_handle_by_index(vh17d, 1);
TestVpiHandle vh17e = vpi_handle_by_index(vh17d, 2);
CHECK_RESULT_NZ(vh17e);
TestVpiHandle vh17f = vpi_handle_by_name((PLI_BYTE8*)"child_leaf", vh17e);
CHECK_RESULT_NZ(vh17f);
@ -770,14 +770,14 @@ int _mon_check_unpacked_struct_members() {
TestVpiHandle vh17g
= vpi_handle_by_name(const_cast<PLI_BYTE8*>(TestSimulator::rooted(
"parent_struct_array[1].trailing_children[1].child_leaf")),
"parent_struct_array[1].trailing_children[2].child_leaf")),
nullptr);
CHECK_RESULT_NZ(vh17g);
vpi_get_value(vh17g, &tmpValue);
CHECK_RESULT(tmpValue.value.integer, 0x6b);
CHECK_RESULT_Z(vpi_handle_by_name(const_cast<PLI_BYTE8*>(TestSimulator::rooted(
"parent_struct_array[1].children[1:0].child_leaf")),
"parent_struct_array[1].children[3:2].child_leaf")),
nullptr));
}

6
test_regress/t/t_vpi_var.v
View File

@ -103,9 +103,9 @@ extern "C" int mon_check();
typedef struct {
logic [15:0] scalar;
child_struct_t children [1:0];
logic [7:0] tail_array [3:0];
child_struct_t trailing_children [1:0];
child_struct_t children [3:2];
logic [7:0] tail_array [2:5];
child_struct_t trailing_children [3:2];
} parent_struct_t;
parent_struct_t parent_struct_array [1:0] /*verilator public_flat_rw*/;