File: scriptcheck.cpp

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#include "scriptcheck.hpp"

#include <exception>
#include <sstream>
#include <string>

#include <apps/opencs/model/doc/messages.hpp>
#include <apps/opencs/model/prefs/category.hpp>
#include <apps/opencs/model/prefs/setting.hpp>
#include <apps/opencs/model/world/idcollection.hpp>
#include <apps/opencs/model/world/record.hpp>
#include <apps/opencs/model/world/scriptcontext.hpp>
#include <apps/opencs/model/world/universalid.hpp>

#include <components/compiler/exception.hpp>
#include <components/compiler/extensions0.hpp>
#include <components/compiler/fileparser.hpp>
#include <components/compiler/scanner.hpp>
#include <components/compiler/tokenloc.hpp>
#include <components/esm3/loadscpt.hpp>

#include "../doc/document.hpp"

#include "../world/data.hpp"

#include "../prefs/state.hpp"

CSMDoc::Message::Severity CSMTools::ScriptCheckStage::getSeverity(Type type)
{
    switch (type)
    {
        case WarningMessage:
            return CSMDoc::Message::Severity_Warning;
        case ErrorMessage:
            return CSMDoc::Message::Severity_Error;
    }

    return CSMDoc::Message::Severity_SeriousError;
}

void CSMTools::ScriptCheckStage::report(const std::string& message, const Compiler::TokenLoc& loc, Type type)
{
    std::ostringstream stream;

    CSMWorld::UniversalId id(CSMWorld::UniversalId::Type_Script, mId);

    stream << message << " (" << loc.mLiteral << ")"
           << " @ line " << loc.mLine + 1 << ", column " << loc.mColumn;

    std::ostringstream hintStream;

    hintStream << "l:" << loc.mLine + 1 << " " << loc.mColumn;

    mMessages->add(id, stream.str(), hintStream.str(), getSeverity(type));
}

void CSMTools::ScriptCheckStage::report(const std::string& message, Type type)
{
    CSMWorld::UniversalId id(CSMWorld::UniversalId::Type_Script, mId);

    std::ostringstream stream;
    stream << message;

    mMessages->add(id, stream.str(), "", getSeverity(type));
}

CSMTools::ScriptCheckStage::ScriptCheckStage(const CSMDoc::Document& document)
    : mDocument(document)
    , mContext(document.getData())
    , mMessages(nullptr)
    , mWarningMode(Mode_Ignore)
{
    /// \todo add an option to configure warning mode
    setWarningsMode(0);

    Compiler::registerExtensions(mExtensions);
    mContext.setExtensions(&mExtensions);

    mIgnoreBaseRecords = false;
}

int CSMTools::ScriptCheckStage::setup()
{
    std::string warnings = CSMPrefs::get()["Scripts"]["warnings"].toString();

    if (warnings == "Ignore")
        mWarningMode = Mode_Ignore;
    else if (warnings == "Normal")
        mWarningMode = Mode_Normal;
    else if (warnings == "Strict")
        mWarningMode = Mode_Strict;

    mContext.clear();
    mMessages = nullptr;
    mId = ESM::RefId();
    Compiler::ErrorHandler::reset();

    mIgnoreBaseRecords = CSMPrefs::get()["Reports"]["ignore-base-records"].isTrue();

    return mDocument.getData().getScripts().getSize();
}

void CSMTools::ScriptCheckStage::perform(int stage, CSMDoc::Messages& messages)
{
    const CSMWorld::Record<ESM::Script>& record = mDocument.getData().getScripts().getRecord(stage);

    mId = mDocument.getData().getScripts().getId(stage);

    // Skip "Base" records (setting!) and "Deleted" records
    if ((mIgnoreBaseRecords && record.mState == CSMWorld::RecordBase::State_BaseOnly) || record.isDeleted())
        return;

    mMessages = &messages;

    switch (mWarningMode)
    {
        case Mode_Ignore:
            setWarningsMode(0);
            break;
        case Mode_Normal:
            setWarningsMode(1);
            break;
        case Mode_Strict:
            setWarningsMode(2);
            break;
    }

    try
    {
        mFile = record.get().mId.getRefIdString();
        std::istringstream input(record.get().mScriptText);

        Compiler::Scanner scanner(*this, input, mContext.getExtensions());

        Compiler::FileParser parser(*this, mContext);

        scanner.scan(parser);
    }
    catch (const Compiler::SourceException&)
    {
        // error has already been reported via error handler
    }
    catch (const std::exception& error)
    {
        CSMWorld::UniversalId id(CSMWorld::UniversalId::Type_Script, mId);

        std::ostringstream stream;
        stream << error.what();

        messages.add(id, stream.str(), "", CSMDoc::Message::Severity_SeriousError);
    }

    mMessages = nullptr;
}