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qmljs: fingerprints for documents, libraries and FakeMetaObjects

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Change-Id: Ib9c9b86fbed19539dc42696292bdb3b93dd1b575
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
This commit is contained in:
Fawzi Mohamed
2013-11-13 16:31:04 +01:00
parent e1b44e870f
commit 7fb87fbb06
11 changed files with 360 additions and 24 deletions
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138
src/libs/languageutils/fakemetaobject.cpp
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@@ -28,6 +28,7 @@
****************************************************************************/
#include "fakemetaobject.h"
#include <QCryptographicHash>
using namespace LanguageUtils;
@@ -62,6 +63,24 @@ QStringList FakeMetaEnum::keys() const
bool FakeMetaEnum::hasKey(const QString &key) const
{ return m_keys.contains(key); }
void FakeMetaEnum::addToHash(QCryptographicHash &hash) const
{
int len = m_name.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
hash.addData(reinterpret_cast<const char *>(m_name.constData()), len * sizeof(QChar));
len = m_keys.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
foreach (const QString &key, m_keys) {
len = key.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
hash.addData(reinterpret_cast<const char *>(key.constData()), len * sizeof(QChar));
}
len = m_values.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
foreach (int value, m_values)
hash.addData(reinterpret_cast<const char *>(&value), sizeof(value));
}
FakeMetaMethod::FakeMetaMethod(const QString &name, const QString &returnType)
: m_name(name)
, m_returnType(returnType)
@@ -109,6 +128,33 @@ int FakeMetaMethod::revision() const
void FakeMetaMethod::setRevision(int r)
{ m_revision = r; }
void FakeMetaMethod::addToHash(QCryptographicHash &hash) const
{
int len = m_name.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
hash.addData(reinterpret_cast<const char *>(m_name.constData()), len * sizeof(QChar));
hash.addData(reinterpret_cast<const char *>(&m_methodAccess), sizeof(m_methodAccess));
hash.addData(reinterpret_cast<const char *>(&m_methodTy), sizeof(m_methodTy));
hash.addData(reinterpret_cast<const char *>(&m_revision), sizeof(m_revision));
len = m_paramNames.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
foreach (const QString &pName, m_paramNames) {
len = pName.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
hash.addData(reinterpret_cast<const char *>(pName.constData()), len * sizeof(QChar));
}
len = m_paramTypes.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
foreach (const QString &pType, m_paramTypes) {
len = pType.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
hash.addData(reinterpret_cast<const char *>(pType.constData()), len * sizeof(QChar));
}
len = m_returnType.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
hash.addData(reinterpret_cast<const char *>(m_returnType.constData()), len * sizeof(QChar));
}
FakeMetaProperty::FakeMetaProperty(const QString &name, const QString &type, bool isList,
bool isWritable, bool isPointer, int revision)
@@ -138,6 +184,21 @@ bool FakeMetaProperty::isPointer() const
int FakeMetaProperty::revision() const
{ return m_revision; }
void FakeMetaProperty::addToHash(QCryptographicHash &hash) const
{
int len = m_propertyName.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
hash.addData(reinterpret_cast<const char *>(m_propertyName.constData()), len * sizeof(QChar));
hash.addData(reinterpret_cast<const char *>(&m_revision), sizeof(m_revision));
int flags = (m_isList ? (1 << 0) : 0)
+ (m_isPointer ? (1 << 1) : 0)
+ (m_isWritable ? (1 << 2) : 0);
hash.addData(reinterpret_cast<const char *>(&flags), sizeof(flags));
len = m_type.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
hash.addData(reinterpret_cast<const char *>(m_type.constData()), len * sizeof(QChar));
}
FakeMetaObject::FakeMetaObject()
{
@@ -226,8 +287,85 @@ QString FakeMetaObject::attachedTypeName() const
void FakeMetaObject::setAttachedTypeName(const QString &name)
{ m_attachedTypeName = name; }
QByteArray FakeMetaObject::calculateFingerprint() const
{
QCryptographicHash hash(QCryptographicHash::Sha1);
int len = m_className.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
hash.addData(reinterpret_cast<const char *>(m_className.constData()), len * sizeof(QChar));
len = m_attachedTypeName.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
hash.addData(reinterpret_cast<const char *>(m_attachedTypeName.constData()), len * sizeof(QChar));
len = m_defaultPropertyName.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
hash.addData(reinterpret_cast<const char *>(m_defaultPropertyName.constData()), len * sizeof(QChar));
len = m_enumNameToIndex.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
{
QStringList keys(m_enumNameToIndex.keys());
keys.sort();
foreach (const QString &key, keys) {
len = key.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
hash.addData(reinterpret_cast<const char *>(key.constData()), len * sizeof(QChar));
int value = m_enumNameToIndex.value(key);
hash.addData(reinterpret_cast<const char *>(&value), sizeof(value)); // avoid? this adds order dependency to fingerprint...
m_enums.at(value).addToHash(hash);
}
}
len = m_exports.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
foreach (const Export &e, m_exports)
e.addToHash(hash); // normalize order?
len = m_exports.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
foreach (const FakeMetaMethod &m, m_methods)
m.addToHash(hash); // normalize order?
{
QStringList keys(m_propNameToIdx.keys());
keys.sort();
foreach (const QString &key, keys) {
len = key.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
hash.addData(reinterpret_cast<const char *>(key.constData()), len * sizeof(QChar));
int value = m_propNameToIdx.value(key);
hash.addData(reinterpret_cast<const char *>(&value), sizeof(value)); // avoid? this adds order dependency to fingerprint...
m_props.at(value).addToHash(hash);
}
}
len = m_superName.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
hash.addData(reinterpret_cast<const char *>(m_superName.constData()), len * sizeof(QChar));
QByteArray res = hash.result();
res.append('F');
return res;
}
void FakeMetaObject::updateFingerprint()
{
m_fingerprint = calculateFingerprint();
}
QByteArray FakeMetaObject::fingerprint() const
{
return m_fingerprint;
}
FakeMetaObject::Export::Export()
: metaObjectRevision(0)
{}
bool FakeMetaObject::Export::isValid() const
{ return version.isValid() || !package.isEmpty() || !type.isEmpty(); }
void FakeMetaObject::Export::addToHash(QCryptographicHash &hash) const
{
int len = package.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
hash.addData(reinterpret_cast<const char *>(package.constData()), len * sizeof(QChar));
len = type.size();
hash.addData(reinterpret_cast<const char *>(&len), sizeof(len));
hash.addData(reinterpret_cast<const char *>(type.constData()), len * sizeof(QChar));
version.addToHash(hash);
hash.addData(reinterpret_cast<const char *>(&metaObjectRevision), sizeof(metaObjectRevision));
}