[Lldb-commits] [lldb] 1d9b860 - Unify the return value of GetByteSize to an llvm::Optional<uint64_t> (NFC-ish)
Adrian Prantl via lldb-commits
lldb-commits at lists.llvm.org
Sat Jul 25 08:28:52 PDT 2020
Author: Adrian Prantl
Date: 2020-07-25T08:27:21-07:00
New Revision: 1d9b860fb6a85df33fd52fcacc6a5efb421621bd
URL: https://github.com/llvm/llvm-project/commit/1d9b860fb6a85df33fd52fcacc6a5efb421621bd
DIFF: https://github.com/llvm/llvm-project/commit/1d9b860fb6a85df33fd52fcacc6a5efb421621bd.diff
LOG: Unify the return value of GetByteSize to an llvm::Optional<uint64_t> (NFC-ish)
This cleanup patch unifies all methods called GetByteSize() in the
ValueObject hierarchy to return an optional, like the methods in
CompilerType do. This means fewer magic 0 values, which could fix bugs
down the road in languages where types can have a size of zero, such
as Swift and C (but not C++).
Differential Revision: https://reviews.llvm.org/D84285
Added:
Modified:
lldb/include/lldb/Core/ValueObject.h
lldb/include/lldb/Core/ValueObjectCast.h
lldb/include/lldb/Core/ValueObjectChild.h
lldb/include/lldb/Core/ValueObjectConstResult.h
lldb/include/lldb/Core/ValueObjectDynamicValue.h
lldb/include/lldb/Core/ValueObjectMemory.h
lldb/include/lldb/Core/ValueObjectRegister.h
lldb/include/lldb/Core/ValueObjectSyntheticFilter.h
lldb/include/lldb/Core/ValueObjectVariable.h
lldb/include/lldb/Expression/ExpressionVariable.h
lldb/include/lldb/Target/StackFrameRecognizer.h
lldb/source/API/SBValue.cpp
lldb/source/Commands/CommandObjectWatchpoint.cpp
lldb/source/Core/ValueObject.cpp
lldb/source/Core/ValueObjectCast.cpp
lldb/source/Core/ValueObjectConstResult.cpp
lldb/source/Core/ValueObjectDynamicValue.cpp
lldb/source/Core/ValueObjectMemory.cpp
lldb/source/Core/ValueObjectRegister.cpp
lldb/source/Core/ValueObjectSyntheticFilter.cpp
lldb/source/Core/ValueObjectVariable.cpp
lldb/source/Expression/ExpressionVariable.cpp
lldb/source/Expression/Materializer.cpp
lldb/source/Target/StackFrame.cpp
Removed:
################################################################################
diff --git a/lldb/include/lldb/Core/ValueObject.h b/lldb/include/lldb/Core/ValueObject.h
index 0080368fd996..a557d69f3ae3 100644
--- a/lldb/include/lldb/Core/ValueObject.h
+++ b/lldb/include/lldb/Core/ValueObject.h
@@ -358,7 +358,7 @@ class ValueObject : public UserID {
virtual bool CanProvideValue();
// Subclasses must implement the functions below.
- virtual uint64_t GetByteSize() = 0;
+ virtual llvm::Optional<uint64_t> GetByteSize() = 0;
virtual lldb::ValueType GetValueType() const = 0;
diff --git a/lldb/include/lldb/Core/ValueObjectCast.h b/lldb/include/lldb/Core/ValueObjectCast.h
index d91ca6a92be8..342803f8ca63 100644
--- a/lldb/include/lldb/Core/ValueObjectCast.h
+++ b/lldb/include/lldb/Core/ValueObjectCast.h
@@ -30,7 +30,7 @@ class ValueObjectCast : public ValueObject {
ConstString name,
const CompilerType &cast_type);
- uint64_t GetByteSize() override;
+ llvm::Optional<uint64_t> GetByteSize() override;
size_t CalculateNumChildren(uint32_t max) override;
diff --git a/lldb/include/lldb/Core/ValueObjectChild.h b/lldb/include/lldb/Core/ValueObjectChild.h
index c6f44a29b059..9a9fd9294261 100644
--- a/lldb/include/lldb/Core/ValueObjectChild.h
+++ b/lldb/include/lldb/Core/ValueObjectChild.h
@@ -30,7 +30,7 @@ class ValueObjectChild : public ValueObject {
public:
~ValueObjectChild() override;
- uint64_t GetByteSize() override { return m_byte_size; }
+ llvm::Optional<uint64_t> GetByteSize() override { return m_byte_size; }
lldb::offset_t GetByteOffset() override { return m_byte_offset; }
diff --git a/lldb/include/lldb/Core/ValueObjectConstResult.h b/lldb/include/lldb/Core/ValueObjectConstResult.h
index 0e868c687e93..8d823baa0b7b 100644
--- a/lldb/include/lldb/Core/ValueObjectConstResult.h
+++ b/lldb/include/lldb/Core/ValueObjectConstResult.h
@@ -62,7 +62,7 @@ class ValueObjectConstResult : public ValueObject {
static lldb::ValueObjectSP Create(ExecutionContextScope *exe_scope,
const Status &error);
- uint64_t GetByteSize() override;
+ llvm::Optional<uint64_t> GetByteSize() override;
lldb::ValueType GetValueType() const override;
@@ -113,7 +113,7 @@ class ValueObjectConstResult : public ValueObject {
CompilerType GetCompilerTypeImpl() override;
ConstString m_type_name;
- uint64_t m_byte_size;
+ llvm::Optional<uint64_t> m_byte_size;
ValueObjectConstResultImpl m_impl;
diff --git a/lldb/include/lldb/Core/ValueObjectDynamicValue.h b/lldb/include/lldb/Core/ValueObjectDynamicValue.h
index 9f5304b55e93..2806857339ef 100644
--- a/lldb/include/lldb/Core/ValueObjectDynamicValue.h
+++ b/lldb/include/lldb/Core/ValueObjectDynamicValue.h
@@ -34,7 +34,7 @@ class ValueObjectDynamicValue : public ValueObject {
public:
~ValueObjectDynamicValue() override;
- uint64_t GetByteSize() override;
+ llvm::Optional<uint64_t> GetByteSize() override;
ConstString GetTypeName() override;
diff --git a/lldb/include/lldb/Core/ValueObjectMemory.h b/lldb/include/lldb/Core/ValueObjectMemory.h
index d1cd6ae41445..b5d5e6ecf4c0 100644
--- a/lldb/include/lldb/Core/ValueObjectMemory.h
+++ b/lldb/include/lldb/Core/ValueObjectMemory.h
@@ -40,7 +40,7 @@ class ValueObjectMemory : public ValueObject {
const Address &address,
const CompilerType &ast_type);
- uint64_t GetByteSize() override;
+ llvm::Optional<uint64_t> GetByteSize() override;
ConstString GetTypeName() override;
diff --git a/lldb/include/lldb/Core/ValueObjectRegister.h b/lldb/include/lldb/Core/ValueObjectRegister.h
index 41051d93b707..3968584ad518 100644
--- a/lldb/include/lldb/Core/ValueObjectRegister.h
+++ b/lldb/include/lldb/Core/ValueObjectRegister.h
@@ -36,7 +36,7 @@ class ValueObjectRegisterSet : public ValueObject {
lldb::RegisterContextSP ®_ctx_sp,
uint32_t set_idx);
- uint64_t GetByteSize() override;
+ llvm::Optional<uint64_t> GetByteSize() override;
lldb::ValueType GetValueType() const override {
return lldb::eValueTypeRegisterSet;
@@ -86,7 +86,7 @@ class ValueObjectRegister : public ValueObject {
lldb::RegisterContextSP ®_ctx_sp,
uint32_t reg_num);
- uint64_t GetByteSize() override;
+ llvm::Optional<uint64_t> GetByteSize() override;
lldb::ValueType GetValueType() const override {
return lldb::eValueTypeRegister;
diff --git a/lldb/include/lldb/Core/ValueObjectSyntheticFilter.h b/lldb/include/lldb/Core/ValueObjectSyntheticFilter.h
index cb471657aec9..41c461ce13f0 100644
--- a/lldb/include/lldb/Core/ValueObjectSyntheticFilter.h
+++ b/lldb/include/lldb/Core/ValueObjectSyntheticFilter.h
@@ -36,7 +36,7 @@ class ValueObjectSynthetic : public ValueObject {
public:
~ValueObjectSynthetic() override;
- uint64_t GetByteSize() override;
+ llvm::Optional<uint64_t> GetByteSize() override;
ConstString GetTypeName() override;
diff --git a/lldb/include/lldb/Core/ValueObjectVariable.h b/lldb/include/lldb/Core/ValueObjectVariable.h
index b7e262574a14..23fdedbf5a4a 100644
--- a/lldb/include/lldb/Core/ValueObjectVariable.h
+++ b/lldb/include/lldb/Core/ValueObjectVariable.h
@@ -37,7 +37,7 @@ class ValueObjectVariable : public ValueObject {
static lldb::ValueObjectSP Create(ExecutionContextScope *exe_scope,
const lldb::VariableSP &var_sp);
- uint64_t GetByteSize() override;
+ llvm::Optional<uint64_t> GetByteSize() override;
ConstString GetTypeName() override;
diff --git a/lldb/include/lldb/Expression/ExpressionVariable.h b/lldb/include/lldb/Expression/ExpressionVariable.h
index 60062d212bad..4259e6395da4 100644
--- a/lldb/include/lldb/Expression/ExpressionVariable.h
+++ b/lldb/include/lldb/Expression/ExpressionVariable.h
@@ -32,7 +32,7 @@ class ExpressionVariable
virtual ~ExpressionVariable();
- size_t GetByteSize() { return m_frozen_sp->GetByteSize(); }
+ llvm::Optional<uint64_t> GetByteSize() { return m_frozen_sp->GetByteSize(); }
ConstString GetName() { return m_frozen_sp->GetName(); }
diff --git a/lldb/include/lldb/Target/StackFrameRecognizer.h b/lldb/include/lldb/Target/StackFrameRecognizer.h
index 302b56bec907..baffc890bb06 100644
--- a/lldb/include/lldb/Target/StackFrameRecognizer.h
+++ b/lldb/include/lldb/Target/StackFrameRecognizer.h
@@ -154,7 +154,9 @@ class ValueObjectRecognizerSynthesizedValue : public ValueObject {
SetName(parent.GetName());
}
- uint64_t GetByteSize() override { return m_parent->GetByteSize(); }
+ llvm::Optional<uint64_t> GetByteSize() override {
+ return m_parent->GetByteSize();
+ }
lldb::ValueType GetValueType() const override { return m_type; }
bool UpdateValue() override {
if (!m_parent->UpdateValueIfNeeded()) return false;
diff --git a/lldb/source/API/SBValue.cpp b/lldb/source/API/SBValue.cpp
index 7485b0ee1838..686d1f23a75a 100644
--- a/lldb/source/API/SBValue.cpp
+++ b/lldb/source/API/SBValue.cpp
@@ -333,7 +333,7 @@ size_t SBValue::GetByteSize() {
ValueLocker locker;
lldb::ValueObjectSP value_sp(GetSP(locker));
if (value_sp) {
- result = value_sp->GetByteSize();
+ result = value_sp->GetByteSize().getValueOr(0);
}
return result;
diff --git a/lldb/source/Commands/CommandObjectWatchpoint.cpp b/lldb/source/Commands/CommandObjectWatchpoint.cpp
index ce4662930a7c..c2a008af79d6 100644
--- a/lldb/source/Commands/CommandObjectWatchpoint.cpp
+++ b/lldb/source/Commands/CommandObjectWatchpoint.cpp
@@ -905,7 +905,7 @@ corresponding to the byte size of the data type.");
// We're in business.
// Find out the size of this variable.
size = m_option_watchpoint.watch_size == 0
- ? valobj_sp->GetByteSize()
+ ? valobj_sp->GetByteSize().getValueOr(0)
: m_option_watchpoint.watch_size;
}
compiler_type = valobj_sp->GetCompilerType();
diff --git a/lldb/source/Core/ValueObject.cpp b/lldb/source/Core/ValueObject.cpp
index 3a775b07e5e1..aedefd0cf0fd 100644
--- a/lldb/source/Core/ValueObject.cpp
+++ b/lldb/source/Core/ValueObject.cpp
@@ -849,7 +849,7 @@ bool ValueObject::SetData(DataExtractor &data, Status &error) {
uint64_t count = 0;
const Encoding encoding = GetCompilerType().GetEncoding(count);
- const size_t byte_size = GetByteSize();
+ const size_t byte_size = GetByteSize().getValueOr(0);
Value::ValueType value_type = m_value.GetValueType();
@@ -1524,7 +1524,7 @@ bool ValueObject::SetValueFromCString(const char *value_str, Status &error) {
uint64_t count = 0;
const Encoding encoding = GetCompilerType().GetEncoding(count);
- const size_t byte_size = GetByteSize();
+ const size_t byte_size = GetByteSize().getValueOr(0);
Value::ValueType value_type = m_value.GetValueType();
@@ -1741,13 +1741,13 @@ ValueObjectSP ValueObject::GetSyntheticBitFieldChild(uint32_t from, uint32_t to,
uint32_t bit_field_offset = from;
if (GetDataExtractor().GetByteOrder() == eByteOrderBig)
bit_field_offset =
- GetByteSize() * 8 - bit_field_size - bit_field_offset;
+ GetByteSize().getValueOr(0) * 8 - bit_field_size - bit_field_offset;
// We haven't made a synthetic array member for INDEX yet, so lets make
// one and cache it for any future reference.
ValueObjectChild *synthetic_child = new ValueObjectChild(
- *this, GetCompilerType(), index_const_str, GetByteSize(), 0,
- bit_field_size, bit_field_offset, false, false, eAddressTypeInvalid,
- 0);
+ *this, GetCompilerType(), index_const_str,
+ GetByteSize().getValueOr(0), 0, bit_field_size, bit_field_offset,
+ false, false, eAddressTypeInvalid, 0);
// Cache the value if we got one back...
if (synthetic_child) {
diff --git a/lldb/source/Core/ValueObjectCast.cpp b/lldb/source/Core/ValueObjectCast.cpp
index 22e856be539b..7b6d3591faf4 100644
--- a/lldb/source/Core/ValueObjectCast.cpp
+++ b/lldb/source/Core/ValueObjectCast.cpp
@@ -47,7 +47,7 @@ size_t ValueObjectCast::CalculateNumChildren(uint32_t max) {
return children_count <= max ? children_count : max;
}
-uint64_t ValueObjectCast::GetByteSize() {
+llvm::Optional<uint64_t> ValueObjectCast::GetByteSize() {
ExecutionContext exe_ctx(GetExecutionContextRef());
return m_value.GetValueByteSize(nullptr, &exe_ctx);
}
diff --git a/lldb/source/Core/ValueObjectConstResult.cpp b/lldb/source/Core/ValueObjectConstResult.cpp
index 8d84f8e62ccc..fd31ddc676b4 100644
--- a/lldb/source/Core/ValueObjectConstResult.cpp
+++ b/lldb/source/Core/ValueObjectConstResult.cpp
@@ -179,8 +179,7 @@ ValueObjectSP ValueObjectConstResult::Create(ExecutionContextScope *exe_scope,
ValueObjectConstResult::ValueObjectConstResult(ExecutionContextScope *exe_scope,
ValueObjectManager &manager,
const Status &error)
- : ValueObject(exe_scope, manager), m_type_name(), m_byte_size(0),
- m_impl(this) {
+ : ValueObject(exe_scope, manager), m_impl(this) {
m_error = error;
SetIsConstant();
}
@@ -189,8 +188,7 @@ ValueObjectConstResult::ValueObjectConstResult(ExecutionContextScope *exe_scope,
ValueObjectManager &manager,
const Value &value,
ConstString name, Module *module)
- : ValueObject(exe_scope, manager), m_type_name(), m_byte_size(0),
- m_impl(this) {
+ : ValueObject(exe_scope, manager), m_impl(this) {
m_value = value;
m_name = name;
ExecutionContext exe_ctx;
@@ -208,9 +206,9 @@ lldb::ValueType ValueObjectConstResult::GetValueType() const {
return eValueTypeConstResult;
}
-uint64_t ValueObjectConstResult::GetByteSize() {
+llvm::Optional<uint64_t> ValueObjectConstResult::GetByteSize() {
ExecutionContext exe_ctx(GetExecutionContextRef());
- if (m_byte_size == 0) {
+ if (!m_byte_size) {
if (auto size =
GetCompilerType().GetByteSize(exe_ctx.GetBestExecutionContextScope()))
SetByteSize(*size);
diff --git a/lldb/source/Core/ValueObjectDynamicValue.cpp b/lldb/source/Core/ValueObjectDynamicValue.cpp
index ca66740cb55d..1c25b8c85a05 100644
--- a/lldb/source/Core/ValueObjectDynamicValue.cpp
+++ b/lldb/source/Core/ValueObjectDynamicValue.cpp
@@ -98,7 +98,7 @@ size_t ValueObjectDynamicValue::CalculateNumChildren(uint32_t max) {
return m_parent->GetNumChildren(max);
}
-uint64_t ValueObjectDynamicValue::GetByteSize() {
+llvm::Optional<uint64_t> ValueObjectDynamicValue::GetByteSize() {
const bool success = UpdateValueIfNeeded(false);
if (success && m_dynamic_type_info.HasType()) {
ExecutionContext exe_ctx(GetExecutionContextRef());
diff --git a/lldb/source/Core/ValueObjectMemory.cpp b/lldb/source/Core/ValueObjectMemory.cpp
index 8e7d3ebc93f6..17fade9e5fdc 100644
--- a/lldb/source/Core/ValueObjectMemory.cpp
+++ b/lldb/source/Core/ValueObjectMemory.cpp
@@ -139,13 +139,11 @@ size_t ValueObjectMemory::CalculateNumChildren(uint32_t max) {
return child_count <= max ? child_count : max;
}
-uint64_t ValueObjectMemory::GetByteSize() {
+llvm::Optional<uint64_t> ValueObjectMemory::GetByteSize() {
ExecutionContext exe_ctx(GetExecutionContextRef());
if (m_type_sp)
- return m_type_sp->GetByteSize(exe_ctx.GetBestExecutionContextScope())
- .getValueOr(0);
- return m_compiler_type.GetByteSize(exe_ctx.GetBestExecutionContextScope())
- .getValueOr(0);
+ return m_type_sp->GetByteSize(exe_ctx.GetBestExecutionContextScope());
+ return m_compiler_type.GetByteSize(exe_ctx.GetBestExecutionContextScope());
}
lldb::ValueType ValueObjectMemory::GetValueType() const {
diff --git a/lldb/source/Core/ValueObjectRegister.cpp b/lldb/source/Core/ValueObjectRegister.cpp
index ec87c38fb367..27461e9cebc4 100644
--- a/lldb/source/Core/ValueObjectRegister.cpp
+++ b/lldb/source/Core/ValueObjectRegister.cpp
@@ -81,7 +81,7 @@ size_t ValueObjectRegisterSet::CalculateNumChildren(uint32_t max) {
return 0;
}
-uint64_t ValueObjectRegisterSet::GetByteSize() { return 0; }
+llvm::Optional<uint64_t> ValueObjectRegisterSet::GetByteSize() { return 0; }
bool ValueObjectRegisterSet::UpdateValue() {
m_error.Clear();
@@ -229,7 +229,9 @@ size_t ValueObjectRegister::CalculateNumChildren(uint32_t max) {
return children_count <= max ? children_count : max;
}
-uint64_t ValueObjectRegister::GetByteSize() { return m_reg_info.byte_size; }
+llvm::Optional<uint64_t> ValueObjectRegister::GetByteSize() {
+ return m_reg_info.byte_size;
+}
bool ValueObjectRegister::UpdateValue() {
m_error.Clear();
diff --git a/lldb/source/Core/ValueObjectSyntheticFilter.cpp b/lldb/source/Core/ValueObjectSyntheticFilter.cpp
index 32d1e6ab8368..fb2d32e602ce 100644
--- a/lldb/source/Core/ValueObjectSyntheticFilter.cpp
+++ b/lldb/source/Core/ValueObjectSyntheticFilter.cpp
@@ -121,7 +121,9 @@ bool ValueObjectSynthetic::MightHaveChildren() {
return (m_might_have_children != eLazyBoolNo);
}
-uint64_t ValueObjectSynthetic::GetByteSize() { return m_parent->GetByteSize(); }
+llvm::Optional<uint64_t> ValueObjectSynthetic::GetByteSize() {
+ return m_parent->GetByteSize();
+}
lldb::ValueType ValueObjectSynthetic::GetValueType() const {
return m_parent->GetValueType();
diff --git a/lldb/source/Core/ValueObjectVariable.cpp b/lldb/source/Core/ValueObjectVariable.cpp
index 0d1e7b047a0a..ab67e3038cf0 100644
--- a/lldb/source/Core/ValueObjectVariable.cpp
+++ b/lldb/source/Core/ValueObjectVariable.cpp
@@ -105,15 +105,15 @@ size_t ValueObjectVariable::CalculateNumChildren(uint32_t max) {
return child_count <= max ? child_count : max;
}
-uint64_t ValueObjectVariable::GetByteSize() {
+llvm::Optional<uint64_t> ValueObjectVariable::GetByteSize() {
ExecutionContext exe_ctx(GetExecutionContextRef());
CompilerType type(GetCompilerType());
if (!type.IsValid())
- return 0;
+ return {};
- return type.GetByteSize(exe_ctx.GetBestExecutionContextScope()).getValueOr(0);
+ return type.GetByteSize(exe_ctx.GetBestExecutionContextScope());
}
lldb::ValueType ValueObjectVariable::GetValueType() const {
diff --git a/lldb/source/Expression/ExpressionVariable.cpp b/lldb/source/Expression/ExpressionVariable.cpp
index d95f0745cf4b..8b3dda7b2fe1 100644
--- a/lldb/source/Expression/ExpressionVariable.cpp
+++ b/lldb/source/Expression/ExpressionVariable.cpp
@@ -16,10 +16,10 @@ using namespace lldb_private;
ExpressionVariable::~ExpressionVariable() {}
uint8_t *ExpressionVariable::GetValueBytes() {
- const size_t byte_size = m_frozen_sp->GetByteSize();
- if (byte_size > 0) {
- if (m_frozen_sp->GetDataExtractor().GetByteSize() < byte_size) {
- m_frozen_sp->GetValue().ResizeData(byte_size);
+ llvm::Optional<uint64_t> byte_size = m_frozen_sp->GetByteSize();
+ if (byte_size && *byte_size) {
+ if (m_frozen_sp->GetDataExtractor().GetByteSize() < *byte_size) {
+ m_frozen_sp->GetValue().ResizeData(*byte_size);
m_frozen_sp->GetValue().GetData(m_frozen_sp->GetDataExtractor());
}
return const_cast<uint8_t *>(
diff --git a/lldb/source/Expression/Materializer.cpp b/lldb/source/Expression/Materializer.cpp
index 6f8d9b154570..327e15a26266 100644
--- a/lldb/source/Expression/Materializer.cpp
+++ b/lldb/source/Expression/Materializer.cpp
@@ -67,7 +67,7 @@ class EntityPersistentVariable : public Materializer::Entity {
const bool zero_memory = false;
lldb::addr_t mem = map.Malloc(
- m_persistent_variable_sp->GetByteSize(), 8,
+ m_persistent_variable_sp->GetByteSize().getValueOr(0), 8,
lldb::ePermissionsReadable | lldb::ePermissionsWritable,
IRMemoryMap::eAllocationPolicyMirror, zero_memory, allocate_error);
@@ -106,7 +106,8 @@ class EntityPersistentVariable : public Materializer::Entity {
Status write_error;
map.WriteMemory(mem, m_persistent_variable_sp->GetValueBytes(),
- m_persistent_variable_sp->GetByteSize(), write_error);
+ m_persistent_variable_sp->GetByteSize().getValueOr(0),
+ write_error);
if (!write_error.Success()) {
err.SetErrorStringWithFormat(
@@ -234,7 +235,7 @@ class EntityPersistentVariable : public Materializer::Entity {
map.GetBestExecutionContextScope(),
m_persistent_variable_sp.get()->GetCompilerType(),
m_persistent_variable_sp->GetName(), location, eAddressTypeLoad,
- m_persistent_variable_sp->GetByteSize());
+ m_persistent_variable_sp->GetByteSize().getValueOr(0));
if (frame_top != LLDB_INVALID_ADDRESS &&
frame_bottom != LLDB_INVALID_ADDRESS && location >= frame_bottom &&
@@ -279,7 +280,8 @@ class EntityPersistentVariable : public Materializer::Entity {
LLDB_LOGF(log, "Dematerializing %s from 0x%" PRIx64 " (size = %llu)",
m_persistent_variable_sp->GetName().GetCString(),
(uint64_t)mem,
- (unsigned long long)m_persistent_variable_sp->GetByteSize());
+ (unsigned long long)m_persistent_variable_sp->GetByteSize()
+ .getValueOr(0));
// Read the contents of the spare memory area
@@ -288,7 +290,7 @@ class EntityPersistentVariable : public Materializer::Entity {
Status read_error;
map.ReadMemory(m_persistent_variable_sp->GetValueBytes(), mem,
- m_persistent_variable_sp->GetByteSize(), read_error);
+ m_persistent_variable_sp->GetByteSize().getValueOr(0), read_error);
if (!read_error.Success()) {
err.SetErrorStringWithFormat(
@@ -369,10 +371,11 @@ class EntityPersistentVariable : public Materializer::Entity {
if (!err.Success()) {
dump_stream.Printf(" <could not be read>\n");
} else {
- DataBufferHeap data(m_persistent_variable_sp->GetByteSize(), 0);
+ DataBufferHeap data(
+ m_persistent_variable_sp->GetByteSize().getValueOr(0), 0);
map.ReadMemory(data.GetBytes(), target_address,
- m_persistent_variable_sp->GetByteSize(), err);
+ m_persistent_variable_sp->GetByteSize().getValueOr(0), err);
if (!err.Success()) {
dump_stream.Printf(" <could not be read>\n");
@@ -621,8 +624,8 @@ class EntityVariable : public Materializer::Entity {
Status extract_error;
- map.GetMemoryData(data, m_temporary_allocation, valobj_sp->GetByteSize(),
- extract_error);
+ map.GetMemoryData(data, m_temporary_allocation,
+ valobj_sp->GetByteSize().getValueOr(0), extract_error);
if (!extract_error.Success()) {
err.SetErrorStringWithFormat("couldn't get the data for variable %s",
@@ -919,7 +922,7 @@ class EntityResultVariable : public Materializer::Entity {
ret->ValueUpdated();
- const size_t pvar_byte_size = ret->GetByteSize();
+ const size_t pvar_byte_size = ret->GetByteSize().getValueOr(0);
uint8_t *pvar_data = ret->GetValueBytes();
map.ReadMemory(pvar_data, address, pvar_byte_size, read_error);
diff --git a/lldb/source/Target/StackFrame.cpp b/lldb/source/Target/StackFrame.cpp
index 098aed9cd812..22bca52d7f98 100644
--- a/lldb/source/Target/StackFrame.cpp
+++ b/lldb/source/Target/StackFrame.cpp
@@ -1408,7 +1408,7 @@ ValueObjectSP GetValueForOffset(StackFrame &frame, ValueObjectSP &parent,
}
int64_t child_offset = child_sp->GetByteOffset();
- int64_t child_size = child_sp->GetByteSize();
+ int64_t child_size = child_sp->GetByteSize().getValueOr(0);
if (offset >= child_offset && offset < (child_offset + child_size)) {
return GetValueForOffset(frame, child_sp, offset - child_offset);
@@ -1441,8 +1441,8 @@ ValueObjectSP GetValueForDereferincingOffset(StackFrame &frame,
}
if (offset >= 0 && uint64_t(offset) >= pointee->GetByteSize()) {
- int64_t index = offset / pointee->GetByteSize();
- offset = offset % pointee->GetByteSize();
+ int64_t index = offset / pointee->GetByteSize().getValueOr(1);
+ offset = offset % pointee->GetByteSize().getValueOr(1);
const bool can_create = true;
pointee = base->GetSyntheticArrayMember(index, can_create);
}
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