|  | //===-- OptionGroupValueObjectDisplay.cpp ---------------------------------===// | 
|  | // | 
|  | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | 
|  | // See https://llvm.org/LICENSE.txt for license information. | 
|  | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #include "lldb/Interpreter/OptionGroupValueObjectDisplay.h" | 
|  |  | 
|  | #include "lldb/DataFormatters/ValueObjectPrinter.h" | 
|  | #include "lldb/Host/OptionParser.h" | 
|  | #include "lldb/Interpreter/CommandInterpreter.h" | 
|  | #include "lldb/Interpreter/OptionArgParser.h" | 
|  | #include "lldb/Target/Target.h" | 
|  |  | 
|  | #include "llvm/ADT/ArrayRef.h" | 
|  |  | 
|  | using namespace lldb; | 
|  | using namespace lldb_private; | 
|  |  | 
|  | static const OptionDefinition g_option_table[] = { | 
|  | {LLDB_OPT_SET_1, false, "dynamic-type", 'd', | 
|  | OptionParser::eRequiredArgument, nullptr, GetDynamicValueTypes(), 0, | 
|  | eArgTypeNone, "Show the object as its full dynamic type, not its static " | 
|  | "type, if available."}, | 
|  | {LLDB_OPT_SET_1, false, "synthetic-type", 'S', | 
|  | OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeBoolean, | 
|  | "Show the object obeying its synthetic provider, if available."}, | 
|  | {LLDB_OPT_SET_1, false, "depth", 'D', OptionParser::eRequiredArgument, | 
|  | nullptr, {}, 0, eArgTypeCount, "Set the max recurse depth when dumping " | 
|  | "aggregate types (default is infinity)."}, | 
|  | {LLDB_OPT_SET_1, false, "flat", 'F', OptionParser::eNoArgument, nullptr, | 
|  | {}, 0, eArgTypeNone, "Display results in a flat format that uses " | 
|  | "expression paths for each variable or member."}, | 
|  | {LLDB_OPT_SET_1, false, "location", 'L', OptionParser::eNoArgument, nullptr, | 
|  | {}, 0, eArgTypeNone, "Show variable location information."}, | 
|  | {LLDB_OPT_SET_1, false, "object-description", 'O', | 
|  | OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone, | 
|  | "Display using a language-specific description API, if possible."}, | 
|  | {LLDB_OPT_SET_1, false, "ptr-depth", 'P', OptionParser::eRequiredArgument, | 
|  | nullptr, {}, 0, eArgTypeCount, "The number of pointers to be traversed " | 
|  | "when dumping values (default is zero)."}, | 
|  | {LLDB_OPT_SET_1, false, "show-types", 'T', OptionParser::eNoArgument, | 
|  | nullptr, {}, 0, eArgTypeNone, | 
|  | "Show variable types when dumping values."}, | 
|  | {LLDB_OPT_SET_1, false, "no-summary-depth", 'Y', | 
|  | OptionParser::eOptionalArgument, nullptr, {}, 0, eArgTypeCount, | 
|  | "Set the depth at which omitting summary information stops (default is " | 
|  | "1)."}, | 
|  | {LLDB_OPT_SET_1, false, "raw-output", 'R', OptionParser::eNoArgument, | 
|  | nullptr, {}, 0, eArgTypeNone, "Don't use formatting options."}, | 
|  | {LLDB_OPT_SET_1, false, "show-all-children", 'A', OptionParser::eNoArgument, | 
|  | nullptr, {}, 0, eArgTypeNone, | 
|  | "Ignore the upper bound on the number of children to show."}, | 
|  | {LLDB_OPT_SET_1, false, "validate", 'V', OptionParser::eRequiredArgument, | 
|  | nullptr, {}, 0, eArgTypeBoolean, "Show results of type validators."}, | 
|  | {LLDB_OPT_SET_1, false, "element-count", 'Z', | 
|  | OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeCount, | 
|  | "Treat the result of the expression as if its type is an array of this " | 
|  | "many values."}}; | 
|  |  | 
|  | llvm::ArrayRef<OptionDefinition> | 
|  | OptionGroupValueObjectDisplay::GetDefinitions() { | 
|  | return llvm::ArrayRef(g_option_table); | 
|  | } | 
|  |  | 
|  | Status OptionGroupValueObjectDisplay::SetOptionValue( | 
|  | uint32_t option_idx, llvm::StringRef option_arg, | 
|  | ExecutionContext *execution_context) { | 
|  | Status error; | 
|  | const int short_option = g_option_table[option_idx].short_option; | 
|  | bool success = false; | 
|  |  | 
|  | switch (short_option) { | 
|  | case 'd': { | 
|  | int32_t result; | 
|  | result = OptionArgParser::ToOptionEnum(option_arg, GetDynamicValueTypes(), | 
|  | 2, error); | 
|  | if (error.Success()) | 
|  | use_dynamic = (lldb::DynamicValueType)result; | 
|  | } break; | 
|  | case 'T': | 
|  | show_types = true; | 
|  | break; | 
|  | case 'L': | 
|  | show_location = true; | 
|  | break; | 
|  | case 'F': | 
|  | flat_output = true; | 
|  | break; | 
|  | case 'O': | 
|  | use_object_desc = true; | 
|  | break; | 
|  | case 'R': | 
|  | be_raw = true; | 
|  | break; | 
|  | case 'A': | 
|  | ignore_cap = true; | 
|  | break; | 
|  |  | 
|  | case 'D': | 
|  | if (option_arg.getAsInteger(0, max_depth)) { | 
|  | max_depth = UINT32_MAX; | 
|  | error = Status::FromErrorStringWithFormat("invalid max depth '%s'", | 
|  | option_arg.str().c_str()); | 
|  | } else { | 
|  | max_depth_is_default = false; | 
|  | } | 
|  | break; | 
|  |  | 
|  | case 'Z': | 
|  | if (option_arg.getAsInteger(0, elem_count)) { | 
|  | elem_count = UINT32_MAX; | 
|  | error = Status::FromErrorStringWithFormat("invalid element count '%s'", | 
|  | option_arg.str().c_str()); | 
|  | } | 
|  | break; | 
|  |  | 
|  | case 'P': | 
|  | if (option_arg.getAsInteger(0, ptr_depth)) { | 
|  | ptr_depth = 0; | 
|  | error = Status::FromErrorStringWithFormat("invalid pointer depth '%s'", | 
|  | option_arg.str().c_str()); | 
|  | } | 
|  | break; | 
|  |  | 
|  | case 'Y': | 
|  | if (option_arg.empty()) | 
|  | no_summary_depth = 1; | 
|  | else if (option_arg.getAsInteger(0, no_summary_depth)) { | 
|  | no_summary_depth = 0; | 
|  | error = Status::FromErrorStringWithFormat("invalid pointer depth '%s'", | 
|  | option_arg.str().c_str()); | 
|  | } | 
|  | break; | 
|  |  | 
|  | case 'S': | 
|  | use_synth = OptionArgParser::ToBoolean(option_arg, true, &success); | 
|  | if (!success) | 
|  | error = Status::FromErrorStringWithFormat("invalid synthetic-type '%s'", | 
|  | option_arg.str().c_str()); | 
|  | break; | 
|  |  | 
|  | case 'V': | 
|  | run_validator = OptionArgParser::ToBoolean(option_arg, true, &success); | 
|  | if (!success) | 
|  | error = Status::FromErrorStringWithFormat("invalid validate '%s'", | 
|  | option_arg.str().c_str()); | 
|  | break; | 
|  |  | 
|  | default: | 
|  | llvm_unreachable("Unimplemented option"); | 
|  | } | 
|  |  | 
|  | return error; | 
|  | } | 
|  |  | 
|  | void OptionGroupValueObjectDisplay::OptionParsingStarting( | 
|  | ExecutionContext *execution_context) { | 
|  | // If these defaults change, be sure to modify AnyOptionWasSet(). | 
|  | show_types = false; | 
|  | no_summary_depth = 0; | 
|  | show_location = false; | 
|  | flat_output = false; | 
|  | use_object_desc = false; | 
|  | max_depth = UINT32_MAX; | 
|  | max_depth_is_default = true; | 
|  | ptr_depth = 0; | 
|  | elem_count = 0; | 
|  | use_synth = true; | 
|  | be_raw = false; | 
|  | ignore_cap = false; | 
|  | run_validator = false; | 
|  |  | 
|  | TargetSP target_sp = | 
|  | execution_context ? execution_context->GetTargetSP() : TargetSP(); | 
|  | if (target_sp) { | 
|  | use_dynamic = target_sp->GetPreferDynamicValue(); | 
|  | auto max_depth_config = target_sp->GetMaximumDepthOfChildrenToDisplay(); | 
|  | max_depth = std::get<uint32_t>(max_depth_config); | 
|  | max_depth_is_default = std::get<bool>(max_depth_config); | 
|  | } else { | 
|  | // If we don't have any targets, then dynamic values won't do us much good. | 
|  | use_dynamic = lldb::eNoDynamicValues; | 
|  | } | 
|  | } | 
|  |  | 
|  | DumpValueObjectOptions OptionGroupValueObjectDisplay::GetAsDumpOptions( | 
|  | LanguageRuntimeDescriptionDisplayVerbosity lang_descr_verbosity, | 
|  | lldb::Format format, lldb::TypeSummaryImplSP summary_sp) { | 
|  | DumpValueObjectOptions options; | 
|  | options.SetMaximumPointerDepth(ptr_depth); | 
|  | if (use_object_desc) | 
|  | options.SetShowSummary(false); | 
|  | else | 
|  | options.SetOmitSummaryDepth(no_summary_depth); | 
|  | options.SetMaximumDepth(max_depth, max_depth_is_default) | 
|  | .SetShowTypes(show_types) | 
|  | .SetShowLocation(show_location) | 
|  | .SetUseObjectDescription(use_object_desc) | 
|  | .SetUseDynamicType(use_dynamic) | 
|  | .SetUseSyntheticValue(use_synth) | 
|  | .SetFlatOutput(flat_output) | 
|  | .SetIgnoreCap(ignore_cap) | 
|  | .SetFormat(format) | 
|  | .SetSummary(summary_sp); | 
|  |  | 
|  | if (lang_descr_verbosity == | 
|  | eLanguageRuntimeDescriptionDisplayVerbosityCompact) | 
|  | options.SetHideRootType(use_object_desc) | 
|  | .SetHideName(use_object_desc) | 
|  | .SetHideValue(use_object_desc); | 
|  |  | 
|  | if (be_raw) | 
|  | options.SetRawDisplay(); | 
|  |  | 
|  | options.SetRunValidator(run_validator); | 
|  |  | 
|  | options.SetElementCount(elem_count); | 
|  |  | 
|  | return options; | 
|  | } |