lldb/source/Interpreter/Property.cpp

//===-- Property.cpp --------------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "lldb/Interpreter/Property.h"

// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Core/UserSettingsController.h"
#include "lldb/Host/StringConvert.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/OptionValues.h"
#include "lldb/Target/Language.h"

using namespace lldb;
using namespace lldb_private;

Property::Property (const PropertyDefinition &definition) :
    m_name (definition.name),
    m_description (definition.description),
    m_value_sp (),
    m_is_global (definition.global)
{
    switch (definition.type)
    {
        case OptionValue::eTypeInvalid:
        case OptionValue::eTypeProperties:
            break;
        case OptionValue::eTypeArch:
            // "definition.default_uint_value" is not used
            // "definition.default_cstr_value" as a string value that represents the default string value for the architecture/triple
            m_value_sp.reset (new OptionValueArch(definition.default_cstr_value));
            break;
            
        case OptionValue::eTypeArgs:
            // "definition.default_uint_value" is always a OptionValue::Type
            m_value_sp.reset (new OptionValueArgs());
            break;
            
        case OptionValue::eTypeArray:
            // "definition.default_uint_value" is always a OptionValue::Type
            m_value_sp.reset (new OptionValueArray(OptionValue::ConvertTypeToMask((OptionValue::Type)definition.default_uint_value)));
            break;
            
        case OptionValue::eTypeBoolean:
            // "definition.default_uint_value" is the default boolean value if
            // "definition.default_cstr_value" is NULL, otherwise interpret
            // "definition.default_cstr_value" as a string value that represents the default
            // value.
            if (definition.default_cstr_value)
                m_value_sp.reset (new OptionValueBoolean(Args::StringToBoolean (definition.default_cstr_value, false, nullptr)));
            else
                m_value_sp.reset (new OptionValueBoolean(definition.default_uint_value != 0));
            break;

        case OptionValue::eTypeChar:
            m_value_sp.reset(new OptionValueChar(Args::StringToChar(definition.default_cstr_value, '\0', nullptr)));
            break;

        case OptionValue::eTypeDictionary:
            // "definition.default_uint_value" is always a OptionValue::Type
            m_value_sp.reset (new OptionValueDictionary(OptionValue::ConvertTypeToMask((OptionValue::Type)definition.default_uint_value)));
            break;
            
        case OptionValue::eTypeEnum:
            // "definition.default_uint_value" is the default enumeration value if
            // "definition.default_cstr_value" is NULL, otherwise interpret
            // "definition.default_cstr_value" as a string value that represents the default
            // value.
        {
            OptionValueEnumeration *enum_value = new OptionValueEnumeration(definition.enum_values, definition.default_uint_value);
            m_value_sp.reset (enum_value);
            if (definition.default_cstr_value)
            {
                if (enum_value->SetValueFromString(definition.default_cstr_value).Success())
                {
                    enum_value->SetDefaultValue(enum_value->GetCurrentValue());
                    // Call Clear() since we don't want the value to appear as
                    // having been set since we called SetValueFromString() above.
                    // Clear will set the current value to the default and clear
                    // the boolean that says that the value has been set.
                    enum_value->Clear();
                }
            }
        }
            break;
            
        case OptionValue::eTypeFileSpec:
        {
            // "definition.default_uint_value" represents if the "definition.default_cstr_value" should
            // be resolved or not
            const bool resolve = definition.default_uint_value != 0;
            m_value_sp.reset (new OptionValueFileSpec(FileSpec(definition.default_cstr_value, resolve), resolve));
            break;
        }
            
        case OptionValue::eTypeFileSpecList:
            // "definition.default_uint_value" is not used for a OptionValue::eTypeFileSpecList
            m_value_sp.reset (new OptionValueFileSpecList());
            break;
            
        case OptionValue::eTypeFormat:
            // "definition.default_uint_value" is the default format enumeration value if
            // "definition.default_cstr_value" is NULL, otherwise interpret
            // "definition.default_cstr_value" as a string value that represents the default
            // value.
            {
                Format new_format = eFormatInvalid;
                if (definition.default_cstr_value)
                    Args::StringToFormat (definition.default_cstr_value, new_format, nullptr);
                else
                    new_format = (Format)definition.default_uint_value;
                m_value_sp.reset (new OptionValueFormat(new_format));
            }
            break;
            
        case OptionValue::eTypeLanguage:
            // "definition.default_uint_value" is the default language enumeration value if
            // "definition.default_cstr_value" is NULL, otherwise interpret
            // "definition.default_cstr_value" as a string value that represents the default
            // value.
        {
            LanguageType new_lang = eLanguageTypeUnknown;
            if (definition.default_cstr_value)
                Language::GetLanguageTypeFromString(definition.default_cstr_value);
            else
                new_lang = (LanguageType)definition.default_uint_value;
            m_value_sp.reset (new OptionValueLanguage(new_lang));
        }
            break;
            
        case OptionValue::eTypeFormatEntity:
            // "definition.default_cstr_value" as a string value that represents the default
            m_value_sp.reset (new OptionValueFormatEntity(definition.default_cstr_value));
            break;

        case OptionValue::eTypePathMap:
            // "definition.default_uint_value" tells us if notifications should occur for
            // path mappings
            m_value_sp.reset (new OptionValuePathMappings(definition.default_uint_value != 0));
            break;
            
        case OptionValue::eTypeRegex:
            // "definition.default_uint_value" is used to the regular expression flags
            // "definition.default_cstr_value" the default regular expression value
            // value.
            m_value_sp.reset (new OptionValueRegex(definition.default_cstr_value));
            break;
            
        case OptionValue::eTypeSInt64:
            // "definition.default_uint_value" is the default integer value if
            // "definition.default_cstr_value" is NULL, otherwise interpret
            // "definition.default_cstr_value" as a string value that represents the default
            // value.
            m_value_sp.reset (new OptionValueSInt64(definition.default_cstr_value ? StringConvert::ToSInt64 (definition.default_cstr_value) : definition.default_uint_value));
            break;
            
        case OptionValue::eTypeUInt64:
            // "definition.default_uint_value" is the default unsigned integer value if
            // "definition.default_cstr_value" is NULL, otherwise interpret
            // "definition.default_cstr_value" as a string value that represents the default
            // value.
            m_value_sp.reset (new OptionValueUInt64(definition.default_cstr_value ? StringConvert::ToUInt64 (definition.default_cstr_value) : definition.default_uint_value));
            break;
            
        case OptionValue::eTypeUUID:
            // "definition.default_uint_value" is not used for a OptionValue::eTypeUUID
            // "definition.default_cstr_value" can contain a default UUID value
            {
                UUID uuid;
                if (definition.default_cstr_value)
                    uuid.SetFromCString (definition.default_cstr_value);
                m_value_sp.reset (new OptionValueUUID(uuid));
            }
            break;
            
        case OptionValue::eTypeString:
            // "definition.default_uint_value" can contain the string option flags OR'ed together
            // "definition.default_cstr_value" can contain a default string value
            {
                OptionValueString *string_value = new OptionValueString(definition.default_cstr_value);
                if (definition.default_uint_value != 0)
                    string_value->GetOptions().Reset(definition.default_uint_value);
                m_value_sp.reset (string_value);
            }
            break;
    }
}

Property::Property (const ConstString &name,
                    const ConstString &desc,
                    bool is_global,
                    const lldb::OptionValueSP &value_sp) :
    m_name (name),
    m_description (desc),
    m_value_sp (value_sp),
    m_is_global (is_global)
{
}

bool
Property::DumpQualifiedName(Stream &strm) const
{
    if (m_name)
    {
        if (m_value_sp->DumpQualifiedName(strm))
            strm.PutChar('.');
        strm << m_name;
        return true;
    }
    return false;
}


void
Property::Dump (const ExecutionContext *exe_ctx, Stream &strm, uint32_t dump_mask) const
{
    if (m_value_sp)
    {
        const bool dump_desc = dump_mask & OptionValue::eDumpOptionDescription;
        const bool transparent = m_value_sp->ValueIsTransparent ();
        if (dump_desc || !transparent)
        {
            if ((dump_mask & OptionValue::eDumpOptionName) && m_name)
            {
                DumpQualifiedName(strm);
                if (dump_mask & ~OptionValue::eDumpOptionName)
                    strm.PutChar(' ');
            }
        }
        if (dump_desc)
        {
            const char *desc = GetDescription();
            if (desc)
                strm.Printf ("-- %s", desc);
            
            if (transparent && (dump_mask == (OptionValue::eDumpOptionName | OptionValue::eDumpOptionDescription)))
                strm.EOL();
        }
        m_value_sp->DumpValue(exe_ctx, strm, dump_mask);
    }
}


void
Property::DumpDescription (CommandInterpreter &interpreter,
                           Stream &strm,
                           uint32_t output_width,
                           bool display_qualified_name) const
{
    if (m_value_sp)
    {
        const char *desc = GetDescription();

        if (desc)
        {
            StreamString qualified_name;
            const OptionValueProperties *sub_properties = m_value_sp->GetAsProperties();
            if (sub_properties)
            {
                strm.EOL();
                
                if (m_value_sp->DumpQualifiedName(qualified_name))
                    strm.Printf("'%s' variables:\n\n", qualified_name.GetString().c_str());
                sub_properties->DumpAllDescriptions(interpreter, strm);
            }
            else
            {
                if (desc)
                {
                    if (display_qualified_name)
                    {
                        StreamString qualified_name;
                        DumpQualifiedName(qualified_name);
                        interpreter.OutputFormattedHelpText (strm,
                                                             qualified_name.GetString().c_str(),
                                                             "--",
                                                             desc,
                                                             output_width);
                    }
                    else
                    {
                        interpreter.OutputFormattedHelpText (strm,
                                                             m_name.GetCString(),
                                                             "--",
                                                             desc,
                                                             output_width);
                    }
                }
            }
        }
    }
}


void
Property::SetValueChangedCallback (OptionValueChangedCallback callback, void *baton)
{
    if (m_value_sp)
        m_value_sp->SetValueChangedCallback (callback, baton);
}