forked from OSchip/llvm-project
Revert "Remove an out param from ValueObject::GetValueForExpressionPath."
This reverts commit r287315, as it introduces a bug that breaks many things. llvm-svn: 287320
This commit is contained in:
parent
12450b20b4
commit
655c452534
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@ -394,7 +394,7 @@ public:
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GetExpressionPathFormat = eGetExpressionPathFormatDereferencePointers);
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lldb::ValueObjectSP GetValueForExpressionPath(
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const char *expression,
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const char *expression, const char **first_unparsed = nullptr,
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ExpressionPathScanEndReason *reason_to_stop = nullptr,
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ExpressionPathEndResultType *final_value_type = nullptr,
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const GetValueForExpressionPathOptions &options =
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@ -1002,7 +1002,8 @@ private:
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virtual CompilerType MaybeCalculateCompleteType();
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lldb::ValueObjectSP GetValueForExpressionPath_Impl(
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const char *expression_cstr, ExpressionPathScanEndReason *reason_to_stop,
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const char *expression_cstr, const char **first_unparsed,
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ExpressionPathScanEndReason *reason_to_stop,
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ExpressionPathEndResultType *final_value_type,
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const GetValueForExpressionPathOptions &options,
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ExpressionPathAftermath *final_task_on_target);
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@ -614,6 +614,7 @@ static ValueObjectSP ExpandIndexedExpression(ValueObject *valobj, size_t index,
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if (log)
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log->Printf("[ExpandIndexedExpression] name to deref: %s",
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ptr_deref_buffer.c_str());
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const char *first_unparsed;
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ValueObject::GetValueForExpressionPathOptions options;
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ValueObject::ExpressionPathEndResultType final_value_type;
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ValueObject::ExpressionPathScanEndReason reason_to_stop;
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@ -621,18 +622,20 @@ static ValueObjectSP ExpandIndexedExpression(ValueObject *valobj, size_t index,
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(deref_pointer ? ValueObject::eExpressionPathAftermathDereference
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: ValueObject::eExpressionPathAftermathNothing);
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ValueObjectSP item = valobj->GetValueForExpressionPath(
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ptr_deref_buffer.c_str(), &reason_to_stop, &final_value_type, options,
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&what_next);
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ptr_deref_buffer.c_str(), &first_unparsed, &reason_to_stop,
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&final_value_type, options, &what_next);
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if (!item) {
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if (log)
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log->Printf("[ExpandIndexedExpression] ERROR: why stopping = %d,"
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log->Printf("[ExpandIndexedExpression] ERROR: unparsed portion = %s, why "
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"stopping = %d,"
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" final_value_type %d",
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reason_to_stop, final_value_type);
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first_unparsed, reason_to_stop, final_value_type);
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} else {
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if (log)
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log->Printf("[ExpandIndexedExpression] ALL RIGHT: why stopping = %d, "
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"final_value_type %d",
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reason_to_stop, final_value_type);
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log->Printf("[ExpandIndexedExpression] ALL RIGHT: unparsed portion = %s, "
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"why stopping = %d,"
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" final_value_type %d",
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first_unparsed, reason_to_stop, final_value_type);
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}
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return item;
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}
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@ -721,6 +724,7 @@ static bool DumpValue(Stream &s, const SymbolContext *sc,
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int64_t index_lower = -1;
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int64_t index_higher = -1;
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bool is_array_range = false;
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const char *first_unparsed;
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bool was_plain_var = false;
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bool was_var_format = false;
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bool was_var_indexed = false;
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@ -758,23 +762,25 @@ static bool DumpValue(Stream &s, const SymbolContext *sc,
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log->Printf("[Debugger::FormatPrompt] symbol to expand: %s",
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expr_path.c_str());
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target =
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valobj
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->GetValueForExpressionPath(expr_path.c_str(), &reason_to_stop,
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&final_value_type, options, &what_next)
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.get();
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target = valobj
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->GetValueForExpressionPath(expr_path.c_str(), &first_unparsed,
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&reason_to_stop, &final_value_type,
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options, &what_next)
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.get();
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if (!target) {
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if (log)
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log->Printf("[Debugger::FormatPrompt] ERROR: expr = %s, "
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"why stopping = %d, final_value_type %d",
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expr_path.c_str(), reason_to_stop, final_value_type);
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log->Printf("[Debugger::FormatPrompt] ERROR: unparsed portion = %s, "
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"why stopping = %d,"
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" final_value_type %d",
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first_unparsed, reason_to_stop, final_value_type);
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return false;
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} else {
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if (log)
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log->Printf("[Debugger::FormatPrompt] ALL RIGHT: expr = %s, "
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"why stopping = %d, final_value_type %d",
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expr_path.c_str(), reason_to_stop, final_value_type);
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log->Printf("[Debugger::FormatPrompt] ALL RIGHT: unparsed portion = "
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"%s, why stopping = %d,"
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" final_value_type %d",
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first_unparsed, reason_to_stop, final_value_type);
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target = target
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->GetQualifiedRepresentationIfAvailable(
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target->GetDynamicValueType(), true)
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@ -1922,7 +1922,7 @@ ValueObject::GetSyntheticExpressionPathChild(const char *expression,
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// We haven't made a synthetic array member for expression yet, so
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// lets make one and cache it for any future reference.
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synthetic_child_sp = GetValueForExpressionPath(
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expression, nullptr, nullptr,
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expression, NULL, NULL, NULL,
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GetValueForExpressionPathOptions().SetSyntheticChildrenTraversal(
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GetValueForExpressionPathOptions::SyntheticChildrenTraversal::
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None));
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@ -2166,11 +2166,13 @@ void ValueObject::GetExpressionPath(Stream &s, bool qualify_cxx_base_classes,
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}
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ValueObjectSP ValueObject::GetValueForExpressionPath(
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const char *expression, ExpressionPathScanEndReason *reason_to_stop,
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const char *expression, const char **first_unparsed,
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ExpressionPathScanEndReason *reason_to_stop,
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ExpressionPathEndResultType *final_value_type,
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const GetValueForExpressionPathOptions &options,
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ExpressionPathAftermath *final_task_on_target) {
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const char *dummy_first_unparsed;
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ExpressionPathScanEndReason dummy_reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonUnknown;
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ExpressionPathEndResultType dummy_final_value_type =
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@ -2179,7 +2181,8 @@ ValueObjectSP ValueObject::GetValueForExpressionPath(
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ValueObject::eExpressionPathAftermathNothing;
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ValueObjectSP ret_val = GetValueForExpressionPath_Impl(
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expression, reason_to_stop ? reason_to_stop : &dummy_reason_to_stop,
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expression, first_unparsed ? first_unparsed : &dummy_first_unparsed,
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reason_to_stop ? reason_to_stop : &dummy_reason_to_stop,
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final_value_type ? final_value_type : &dummy_final_value_type, options,
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final_task_on_target ? final_task_on_target
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: &dummy_final_task_on_target);
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@ -2234,7 +2237,8 @@ ValueObjectSP ValueObject::GetValueForExpressionPath(
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}
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ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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const char *expression_cstr, ExpressionPathScanEndReason *reason_to_stop,
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const char *expression_cstr, const char **first_unparsed,
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ExpressionPathScanEndReason *reason_to_stop,
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ExpressionPathEndResultType *final_result,
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const GetValueForExpressionPathOptions &options,
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ExpressionPathAftermath *what_next) {
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@ -2243,8 +2247,13 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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if (!root.get())
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return ValueObjectSP();
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*first_unparsed = expression_cstr;
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while (true) {
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const char *expression_cstr =
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*first_unparsed; // hide the top level expression_cstr
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CompilerType root_compiler_type = root->GetCompilerType();
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CompilerType pointee_compiler_type;
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Flags pointee_compiler_type_info;
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@ -2267,6 +2276,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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// non-pointer and I
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// must catch the error
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{
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonArrowInsteadOfDot;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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@ -2277,12 +2287,14 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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// when this is forbidden
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root_compiler_type_info.Test(eTypeIsPointer) &&
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options.m_no_fragile_ivar) {
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonFragileIVarNotAllowed;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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return ValueObjectSP();
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}
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if (expression_cstr[1] != '>') {
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonUnexpectedSymbol;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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@ -2299,6 +2311,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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// and I must catch the
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// error
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{
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonDotInsteadOfArrow;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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@ -2315,6 +2328,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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if (child_valobj_sp.get()) // we know we are done, so just return
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{
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*first_unparsed = "";
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonEndOfString;
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*final_result = ValueObject::eExpressionPathEndResultTypePlain;
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@ -2364,11 +2378,13 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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// so we hit the "else" branch, and return an error
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if (child_valobj_sp.get()) // if it worked, just return
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{
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*first_unparsed = "";
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonEndOfString;
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*final_result = ValueObject::eExpressionPathEndResultTypePlain;
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return child_valobj_sp;
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} else {
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonNoSuchChild;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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@ -2383,6 +2399,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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if (child_valobj_sp.get()) // store the new root and move on
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{
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root = child_valobj_sp;
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*first_unparsed = next_separator;
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*final_result = ValueObject::eExpressionPathEndResultTypePlain;
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continue;
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} else {
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@ -2431,9 +2448,11 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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if (child_valobj_sp.get()) // if it worked, move on
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{
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root = child_valobj_sp;
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*first_unparsed = next_separator;
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*final_result = ValueObject::eExpressionPathEndResultTypePlain;
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continue;
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} else {
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonNoSuchChild;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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@ -2455,6 +2474,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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GetValueForExpressionPathOptions::SyntheticChildrenTraversal::
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None) // ...only chance left is synthetic
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{
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonRangeOperatorInvalid;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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@ -2464,6 +2484,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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// check that we can
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// expand bitfields
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{
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonRangeOperatorNotAllowed;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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@ -2474,6 +2495,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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']') // if this is an unbounded range it only works for arrays
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{
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if (!root_compiler_type_info.Test(eTypeIsArray)) {
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonEmptyRangeNotAllowed;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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@ -2481,6 +2503,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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} else // even if something follows, we cannot expand unbounded ranges,
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// just let the caller do it
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{
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*first_unparsed = expression_cstr + 2;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonArrayRangeOperatorMet;
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*final_result =
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@ -2492,6 +2515,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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const char *close_bracket_position = ::strchr(expression_cstr + 1, ']');
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if (!close_bracket_position) // if there is no ], this is a syntax error
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{
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonUnexpectedSymbol;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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@ -2507,6 +2531,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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if (end != close_bracket_position) // if something weird is in
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// our way return an error
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{
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonUnexpectedSymbol;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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@ -2524,9 +2549,11 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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root->GetSyntheticValue()->GetChildAtIndex(index, true);
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if (child_valobj_sp) {
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root = child_valobj_sp;
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*first_unparsed = end + 1; // skip ]
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*final_result = ValueObject::eExpressionPathEndResultTypePlain;
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continue;
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} else {
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonNoSuchChild;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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@ -2548,6 +2575,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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Error error;
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root = root->Dereference(error);
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if (error.Fail() || !root.get()) {
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonDereferencingFailed;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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@ -2571,11 +2599,13 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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} else
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root = root->GetSyntheticArrayMember(index, true);
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if (!root.get()) {
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonNoSuchChild;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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return ValueObjectSP();
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} else {
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*first_unparsed = end + 1; // skip ]
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*final_result = ValueObject::eExpressionPathEndResultTypePlain;
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continue;
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}
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@ -2583,6 +2613,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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} else if (root_compiler_type_info.Test(eTypeIsScalar)) {
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root = root->GetSyntheticBitFieldChild(index, index, true);
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if (!root.get()) {
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonNoSuchChild;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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@ -2590,6 +2621,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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} else // we do not know how to expand members of bitfields, so we
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// just return and let the caller do any further processing
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{
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*first_unparsed = end + 1; // skip ]
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*reason_to_stop = ValueObject::
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eExpressionPathScanEndReasonBitfieldRangeOperatorMet;
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*final_result = ValueObject::eExpressionPathEndResultTypeBitfield;
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@ -2598,11 +2630,13 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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} else if (root_compiler_type_info.Test(eTypeIsVector)) {
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root = root->GetChildAtIndex(index, true);
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if (!root.get()) {
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonNoSuchChild;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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return ValueObjectSP();
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} else {
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*first_unparsed = end + 1; // skip ]
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*final_result = ValueObject::eExpressionPathEndResultTypePlain;
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continue;
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}
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@ -2615,6 +2649,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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if (root->HasSyntheticValue())
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root = root->GetSyntheticValue();
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else if (!root->IsSynthetic()) {
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonSyntheticValueMissing;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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@ -2624,6 +2659,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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// to go
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if (!root.get()) {
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonSyntheticValueMissing;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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@ -2631,15 +2667,18 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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}
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root = root->GetChildAtIndex(index, true);
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if (!root.get()) {
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonNoSuchChild;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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return ValueObjectSP();
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} else {
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*first_unparsed = end + 1; // skip ]
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*final_result = ValueObject::eExpressionPathEndResultTypePlain;
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continue;
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}
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} else {
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonNoSuchChild;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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@ -2652,6 +2691,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
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if (end != separator_position) // if something weird is in our
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// way return an error
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{
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*first_unparsed = expression_cstr;
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*reason_to_stop =
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ValueObject::eExpressionPathScanEndReasonUnexpectedSymbol;
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*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
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||||
|
@ -2661,6 +2701,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
|
|||
if (end != close_bracket_position) // if something weird is in
|
||||
// our way return an error
|
||||
{
|
||||
*first_unparsed = expression_cstr;
|
||||
*reason_to_stop =
|
||||
ValueObject::eExpressionPathScanEndReasonUnexpectedSymbol;
|
||||
*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
|
||||
|
@ -2675,11 +2716,13 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
|
|||
root =
|
||||
root->GetSyntheticBitFieldChild(index_lower, index_higher, true);
|
||||
if (!root.get()) {
|
||||
*first_unparsed = expression_cstr;
|
||||
*reason_to_stop =
|
||||
ValueObject::eExpressionPathScanEndReasonNoSuchChild;
|
||||
*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
|
||||
return ValueObjectSP();
|
||||
} else {
|
||||
*first_unparsed = end + 1; // skip ]
|
||||
*reason_to_stop = ValueObject::
|
||||
eExpressionPathScanEndReasonBitfieldRangeOperatorMet;
|
||||
*final_result = ValueObject::eExpressionPathEndResultTypeBitfield;
|
||||
|
@ -2696,6 +2739,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
|
|||
Error error;
|
||||
root = root->Dereference(error);
|
||||
if (error.Fail() || !root.get()) {
|
||||
*first_unparsed = expression_cstr;
|
||||
*reason_to_stop =
|
||||
ValueObject::eExpressionPathScanEndReasonDereferencingFailed;
|
||||
*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
|
||||
|
@ -2705,6 +2749,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
|
|||
continue;
|
||||
}
|
||||
} else {
|
||||
*first_unparsed = expression_cstr;
|
||||
*reason_to_stop =
|
||||
ValueObject::eExpressionPathScanEndReasonArrayRangeOperatorMet;
|
||||
*final_result = ValueObject::eExpressionPathEndResultTypeBoundedRange;
|
||||
|
@ -2715,6 +2760,7 @@ ValueObjectSP ValueObject::GetValueForExpressionPath_Impl(
|
|||
}
|
||||
default: // some non-separator is in the way
|
||||
{
|
||||
*first_unparsed = expression_cstr;
|
||||
*reason_to_stop =
|
||||
ValueObject::eExpressionPathScanEndReasonUnexpectedSymbol;
|
||||
*final_result = ValueObject::eExpressionPathEndResultTypeInvalid;
|
||||
|
|
|
@ -280,7 +280,7 @@ bool lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::Update() {
|
|||
// die and free their memory
|
||||
m_pair_ptr = valobj_sp
|
||||
->GetValueForExpressionPath(
|
||||
".__i_.__ptr_->__value_", nullptr, nullptr,
|
||||
".__i_.__ptr_->__value_", nullptr, nullptr, nullptr,
|
||||
ValueObject::GetValueForExpressionPathOptions()
|
||||
.DontCheckDotVsArrowSyntax()
|
||||
.SetSyntheticChildrenTraversal(
|
||||
|
@ -288,18 +288,16 @@ bool lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::Update() {
|
|||
SyntheticChildrenTraversal::None),
|
||||
nullptr)
|
||||
.get();
|
||||
|
||||
|
||||
if (!m_pair_ptr) {
|
||||
m_pair_ptr = valobj_sp
|
||||
->GetValueForExpressionPath(
|
||||
".__i_.__ptr_", nullptr, nullptr,
|
||||
ValueObject::GetValueForExpressionPathOptions()
|
||||
.DontCheckDotVsArrowSyntax()
|
||||
.SetSyntheticChildrenTraversal(
|
||||
ValueObject::GetValueForExpressionPathOptions::
|
||||
SyntheticChildrenTraversal::None),
|
||||
nullptr)
|
||||
.get();
|
||||
m_pair_ptr = valobj_sp->GetValueForExpressionPath(".__i_.__ptr_", nullptr, nullptr, nullptr,
|
||||
ValueObject::GetValueForExpressionPathOptions()
|
||||
.DontCheckDotVsArrowSyntax()
|
||||
.SetSyntheticChildrenTraversal(
|
||||
ValueObject::GetValueForExpressionPathOptions::
|
||||
SyntheticChildrenTraversal::None),
|
||||
nullptr)
|
||||
.get();
|
||||
if (m_pair_ptr) {
|
||||
auto __i_(valobj_sp->GetChildMemberWithName(g___i_, true));
|
||||
lldb::TemplateArgumentKind kind;
|
||||
|
|
|
@ -404,8 +404,16 @@ Error Variable::GetValuesForVariableExpressionPath(
|
|||
const char *variable_sub_expr_path =
|
||||
variable_expr_path + variable_name.size();
|
||||
if (*variable_sub_expr_path) {
|
||||
const char *first_unparsed = nullptr;
|
||||
ValueObject::ExpressionPathScanEndReason reason_to_stop;
|
||||
ValueObject::ExpressionPathEndResultType final_value_type;
|
||||
ValueObject::GetValueForExpressionPathOptions options;
|
||||
ValueObject::ExpressionPathAftermath final_task_on_target;
|
||||
|
||||
valobj_sp = variable_valobj_sp->GetValueForExpressionPath(
|
||||
variable_sub_expr_path);
|
||||
variable_sub_expr_path, &first_unparsed,
|
||||
&reason_to_stop, &final_value_type, options,
|
||||
&final_task_on_target);
|
||||
if (!valobj_sp) {
|
||||
error.SetErrorStringWithFormat(
|
||||
"invalid expression path '%s' for variable '%s'",
|
||||
|
|
Loading…
Reference in New Issue