PreprocessorCache Class Reference

#include <preprocessorcontrol.h>

Inheritance diagram for PreprocessorCache:

[legend]Collaboration diagram for PreprocessorCache:

[legend]List of all members.

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Detailed Description

Definition at line 50 of file preprocessorcontrol.h.

Signals
void	error (QString type, QString text)
void	readFile (QByteArray &contents, QString filename)
Public Member Functions
	PreprocessorCache ()
TokenEngine::TokenContainer	sourceTokens (const QString &filename)
Rpp::Source *	sourceTree (const QString &filename)
bool	containsSourceTokens (const QString &filename)
bool	containsSourceTree (const QString &filename)
Private Member Functions
QByteArray	readFile (const QString &filename) const
Private Attributes
Tokenizer	m_tokenizer
Rpp::RppLexer	m_lexer
Rpp::Preprocessor	m_preprocessor
TypedPool< Rpp::Item >	m_memoryPool
QHash< QString, Rpp::Source * >	m_sourceTrees
QHash< QString, TokenEngine::TokenContainer >	m_sourceTokens

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Constructor & Destructor Documentation

PreprocessorCache::PreprocessorCache

(

)

Definition at line 150 of file preprocessorcontrol.cpp.

References QObject::connect(), error(), m_preprocessor, and SIGNAL.

{
    connect(&m_preprocessor, SIGNAL(error(QString,QString)),
            this, SIGNAL(error(QString,QString)));
}

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Member Function Documentation

TokenContainer PreprocessorCache::sourceTokens

(

const QString &

filename

)

Definition at line 164 of file preprocessorcontrol.cpp.

References QHash< Key, T >::contains(), TokenEngine::FileInfo::filename, QHash< Key, T >::insert(), m_sourceTokens, m_tokenizer, readFile(), Tokenizer::tokenize(), and QHash< Key, T >::value().

Referenced by ProjectPorter::enableAttributes(), FilePorter::port(), and sourceTree().

{
    // Check if the source tokens are already in the cache.
    if(m_sourceTokens.contains(filename))
        return m_sourceTokens.value(filename);

    // Read and tokenize file.
    QByteArray fileContents = readFile(filename);
    if(fileContents == QByteArray())
        return TokenContainer();

    QVector<TokenEngine::Token> tokenList = m_tokenizer.tokenize(fileContents);

    // Create a FileInfo object that holds the filename for this container.
    FileInfo *containterFileInfo = new FileInfo;
    containterFileInfo->filename = filename;

    // Create container.
    TokenContainer tokenContainer(fileContents, tokenList, containterFileInfo);

    // Insert into cache.
    m_sourceTokens.insert(filename, tokenContainer);
    return tokenContainer;
}

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Source * PreprocessorCache::sourceTree

(

const QString &

filename

)

Definition at line 196 of file preprocessorcontrol.cpp.

References QHash< Key, T >::contains(), TokenEngine::TokenContainer::count(), QHash< Key, T >::insert(), Rpp::RppLexer::lex(), m_lexer, m_memoryPool, m_preprocessor, m_sourceTrees, Rpp::Preprocessor::parse(), Rpp::Source::setFileName(), sourceTokens(), and QHash< Key, T >::value().

Referenced by PreprocessorController::evaluate(), and FilePorter::port().

{
    // Check if the Rpp tree for this file is already in the cache.
    if(m_sourceTrees.contains(filename))
        return m_sourceTrees.value(filename);

    // Get the tokens for the contents of this file.
    TokenContainer tokenContainer = sourceTokens(filename);

    // Run lexer and the preprocessor-parser.
    QVector<Type> tokenTypes = m_lexer.lex(tokenContainer);
    Source *source = m_preprocessor.parse(tokenContainer, tokenTypes, &m_memoryPool);
    source->setFileName(filename);

    // Insert into cache.
    if(tokenContainer.count() > 0) //don't cache empty files.
        m_sourceTrees.insert(filename, source);

    return source;
}

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bool PreprocessorCache::containsSourceTokens

(

const QString &

filename

)

Definition at line 221 of file preprocessorcontrol.cpp.

References QHash< Key, T >::contains(), and m_sourceTokens.

{
    return m_sourceTokens.contains(filename);
}

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bool PreprocessorCache::containsSourceTree

(

const QString &

filename

)

Definition at line 229 of file preprocessorcontrol.cpp.

References QHash< Key, T >::contains(), and m_sourceTrees.

{
    return m_sourceTrees.contains(filename);
}

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void PreprocessorCache::error	(	QString	type,
		QString	text
	)			[signal]

Referenced by PreprocessorCache().

void PreprocessorCache::readFile	(	QByteArray &	contents,
		QString	filename
	)			[signal]

Referenced by readFile(), and sourceTokens().

QByteArray PreprocessorCache::readFile

(

const QString &

filename

)

const [private]

Definition at line 129 of file preprocessorcontrol.cpp.

References emit, QFile::exists(), QIODevice::isOpen(), QFile::open(), QIODevice::readAll(), readFile(), QIODevice::ReadOnly, QObject::receivers(), and SIGNAL.

{
    // If anybody is connected to the readFile signal we tell them to
    // read the file for us.
    if (receivers(SIGNAL(readFile(QByteArray&,QString))) > 0) {
        QByteArray array;
        // Workaround for "not beeing able to emit from const function"
        PreprocessorCache *cache = const_cast<PreprocessorCache *>(this);
        emit cache->readFile(array, filename);
        return array;
    }

    QFile f(filename);
    if (!f.exists())
        return QByteArray();
    f.open(QIODevice::ReadOnly);
    if (!f.isOpen())
        return QByteArray();
    return f.readAll();
}

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Member Data Documentation

Tokenizer PreprocessorCache::m_tokenizer [private]

Definition at line 64 of file preprocessorcontrol.h.

Referenced by sourceTokens().

Rpp::RppLexer PreprocessorCache::m_lexer [private]

Definition at line 65 of file preprocessorcontrol.h.

Referenced by sourceTree().

Rpp::Preprocessor PreprocessorCache::m_preprocessor [private]

Definition at line 66 of file preprocessorcontrol.h.

Referenced by PreprocessorCache(), and sourceTree().

TypedPool<Rpp::Item> PreprocessorCache::m_memoryPool [private]

Definition at line 67 of file preprocessorcontrol.h.

Referenced by sourceTree().

QHash<QString, Rpp::Source *> PreprocessorCache::m_sourceTrees [private]

Definition at line 68 of file preprocessorcontrol.h.

Referenced by containsSourceTree(), and sourceTree().

QHash<QString, TokenEngine::TokenContainer> PreprocessorCache::m_sourceTokens [private]

Definition at line 69 of file preprocessorcontrol.h.

Referenced by containsSourceTokens(), and sourceTokens().

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The documentation for this class was generated from the following files:

• tools/porting/src/preprocessorcontrol.h
• tools/porting/src/preprocessorcontrol.cpp

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