Files
qt-creator/src/libs/qmljs/qmljsimportdependencies.cpp
Fawzi Mohamed ca57a394f4 qmljs: fix import cache
correct update of m_importCache

Change-Id: I70a2c6777c8f0e8df7b130fcff96cd67f83ca3e4
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
2013-11-21 14:56:52 +01:00

932 lines
29 KiB
C++

/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
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** accordance with the commercial license agreement provided with the
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** a written agreement between you and Digia. For licensing terms and
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** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
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#include "qmljsimportdependencies.h"
#include "qmljsinterpreter.h"
#include "qmljsqrcparser.h"
#include <utils/qtcassert.h>
#include <utils/function.h>
#include <QCryptographicHash>
#include <algorithm>
namespace QmlJS {
static bool debugImportDependencies = false;
ImportKind::Enum toImportKind(ImportType::Enum type)
{
switch (type) {
case ImportType::Invalid:
break;
case ImportType::Library:
return ImportKind::Library;
case ImportType::ImplicitDirectory:
case ImportType::File:
case ImportType::Directory:
case ImportType::UnknownFile:
return ImportKind::Path;
case ImportType::QrcFile:
case ImportType::QrcDirectory:
return ImportKind::QrcPath;
}
return ImportKind::Invalid;
}
ImportMatchStrength::ImportMatchStrength(QList<int> match)
: m_match(match)
{ }
int ImportMatchStrength::compareMatch(const ImportMatchStrength &o) const
{
int len1 = m_match.size();
int len2 = o.m_match.size();
int len = ((len1 < len2) ? len1 : len2);
for (int i = 0; i < len; ++ i) {
int v1 = m_match.at(i);
int v2 = o.m_match.at(i);
if (v1 < v2)
return -1;
if (v2 > v1)
return 1;
}
if (len1 < len2)
return -1;
if (len1 > len2)
return 1;
return 0;
}
bool ImportMatchStrength::hasNoMatch()
{
return m_match.isEmpty();
}
bool ImportMatchStrength::hasMatch()
{
return !m_match.isEmpty();
}
bool operator ==(const ImportMatchStrength &m1, const ImportMatchStrength &m2)
{
return m1.m_match == m2.m_match;
}
bool operator !=(const ImportMatchStrength &m1, const ImportMatchStrength &m2)
{
return !(m1 == m2);
}
bool operator <(const ImportMatchStrength &m1, const ImportMatchStrength &m2)
{
return m1.compareMatch(m2) < 0;
}
ImportKey::ImportKey()
: type(ImportType::Invalid),
majorVersion(LanguageUtils::ComponentVersion::NoVersion),
minorVersion(LanguageUtils::ComponentVersion::NoVersion)
{ }
ImportKey::ImportKey(const ImportInfo &info)
: type(info.type())
, majorVersion(info.version().majorVersion())
, minorVersion(info.version().minorVersion())
{
splitPath = QFileInfo(info.path()).canonicalFilePath().split(QLatin1Char('/'),
QString::KeepEmptyParts);
}
ImportKey::ImportKey(ImportType::Enum type, const QString &path, int majorVersion, int minorVersion)
: type(type)
, majorVersion(majorVersion)
, minorVersion(minorVersion)
{
switch (type) {
case ImportType::Library:
splitPath = path.split(QLatin1Char('.'));
break;
case ImportType::ImplicitDirectory:
case ImportType::Directory:
splitPath = path.split(QLatin1Char('/'));
if (splitPath.length() > 1 && splitPath.last().isEmpty())
splitPath.removeLast();
break;
case ImportType::File:
case ImportType::QrcFile:
splitPath = QrcParser::normalizedQrcFilePath(path).split(QLatin1Char('/'));
break;
case ImportType::QrcDirectory:
splitPath = QrcParser::normalizedQrcDirectoryPath(path).split(QLatin1Char('/'));
if (splitPath.length() > 1 && splitPath.last().isEmpty())
splitPath.removeLast();
break;
case ImportType::Invalid:
case ImportType::UnknownFile:
splitPath = path.split(QLatin1Char('/'));
break;
}
}
void ImportKey::addToHash(QCryptographicHash &hash) const
{
hash.addData(reinterpret_cast<const char *>(&type), sizeof(type));
hash.addData(reinterpret_cast<const char *>(&majorVersion), sizeof(majorVersion));
hash.addData(reinterpret_cast<const char *>(&minorVersion), sizeof(minorVersion));
foreach (const QString &s, splitPath) {
hash.addData("/", 1);
hash.addData(reinterpret_cast<const char *>(s.constData()), sizeof(QChar) * s.size());
}
hash.addData("/", 1);
}
ImportKey ImportKey::flatKey() const {
switch (type) {
case ImportType::Invalid:
return *this;
case ImportType::ImplicitDirectory:
case ImportType::Library:
case ImportType::File:
case ImportType::Directory:
case ImportType::QrcFile:
case ImportType::QrcDirectory:
case ImportType::UnknownFile:
break;
}
QStringList flatPath = splitPath;
int i = 0;
while (i < flatPath.size()) {
if (flatPath.at(i).startsWith(QLatin1Char('+')))
flatPath.removeAt(i);
else
++i;
}
if (flatPath.size() == splitPath.size())
return *this;
ImportKey res = *this;
res.splitPath = flatPath;
return res;
}
QString ImportKey::path() const
{
QString res = splitPath.join(QString::fromLatin1("/"));
if (res.isEmpty() && !splitPath.isEmpty())
return QLatin1String("/");
return res;
}
ImportMatchStrength ImportKey::matchImport(const ImportKey &o, const ViewerContext &vContext) const
{
if (majorVersion != o.majorVersion || minorVersion > o.minorVersion)
return ImportMatchStrength();
bool dirToFile = false;
switch (o.type) {
case ImportType::Invalid:
return ImportMatchStrength();
case ImportType::ImplicitDirectory:
case ImportType::Directory:
switch (type) {
case ImportType::File:
case ImportType::UnknownFile:
dirToFile = true;
break;
case ImportType::ImplicitDirectory:
case ImportType::Directory:
break;
default:
return ImportMatchStrength();
}
break;
case ImportType::Library:
if (type != ImportType::Library)
return ImportMatchStrength();
break;
case ImportType::QrcDirectory:
switch (type) {
case ImportType::QrcFile:
dirToFile = true;
break;
case ImportType::QrcDirectory:
break;
default:
return ImportMatchStrength();
}
break;
case ImportType::QrcFile:
if (type != ImportType::QrcFile)
return ImportMatchStrength();
case ImportType::UnknownFile:
case ImportType::File:
switch (type) {
case ImportType::UnknownFile:
case ImportType::File:
break;
default:
return ImportMatchStrength();
}
break;
}
QList<int> res;
int iPath1 = 0;
int lenPath1 = splitPath.size();
int iPath2 = 0;
int lenPath2 = o.splitPath.size();
if (dirToFile)
--lenPath1;
int iSelector = 0;
int nSelectors = vContext.selectors.size();
while (iPath1 < lenPath1) {
if (lenPath2 - iPath2 > lenPath1 - iPath1)
return ImportMatchStrength();
QString p1 = splitPath.at(iPath1);
if (iPath2 < lenPath2) {
QString p2 = splitPath.at(iPath2);
if (p1 == p2) {
++iPath1;
++iPath2;
continue;
}
}
if (!p1.startsWith(QLatin1Char('+')))
return QList<int>();
QStringRef selectorAtt(&p1, 1, p1.size()-1);
while (iSelector < nSelectors) {
if (selectorAtt == vContext.selectors.at(iSelector))
break;
++iSelector;
}
if (iSelector == nSelectors)
return QList<int>();
res << (nSelectors - iSelector);
++iSelector;
++iPath1;
}
if (iPath2 != lenPath2)
return QList<int>();
if (res.isEmpty())
res << 0;
return ImportMatchStrength(res);
}
int ImportKey::compare(const ImportKey &other) const
{
ImportKind::Enum k1 = toImportKind(type);
ImportKind::Enum k2 = toImportKind(other.type);
if (k1 < k2)
return -1;
if (k1 > k2)
return 1;
int len1 = splitPath.size();
int len2 = other.splitPath.size();
int len = ((len1 < len2) ? len1 : len2);
for (int i = 0; i < len; ++ i) {
QString v1 = splitPath.at(i);
QString v2 = other.splitPath.at(i);
if (v1 < v2)
return -1;
if (v2 > v1)
return 1;
}
if (len1 < len2)
return -1;
if (len1 > len2)
return 1;
if (majorVersion < other.majorVersion)
return -1;
if (majorVersion > other.majorVersion)
return 1;
if (minorVersion < other.minorVersion)
return -1;
if (minorVersion > other.minorVersion)
return 1;
if (type < other.type)
return -1;
if (type > other.type)
return 1;
return 0;
}
bool ImportKey::isDirectoryLike() const
{
switch (type) {
case ImportType::Directory:
case ImportType::ImplicitDirectory:
case ImportType::QrcDirectory:
return true;
default:
return false;
}
}
ImportKey::DirCompareInfo ImportKey::compareDir(const ImportKey &superDir) const
{
// assumes dir/+selectors/file (i.e. no directories inside selectors)
switch (superDir.type) {
case ImportType::UnknownFile:
case ImportType::File:
case ImportType::Directory:
case ImportType::ImplicitDirectory:
if (type != ImportType::File && type != ImportType::ImplicitDirectory
&& type != ImportType::Directory && type != ImportType::UnknownFile)
return Incompatible;
break;
case ImportType::QrcDirectory:
case ImportType::QrcFile:
if (type != ImportType::QrcDirectory && type != ImportType::QrcFile)
return Incompatible;
break;
case ImportType::Invalid:
case ImportType::Library:
return Incompatible;
}
bool isDir1 = isDirectoryLike();
bool isDir2 = superDir.isDirectoryLike();
int len1 = splitPath.size();
int len2 = superDir.splitPath.size();
if (isDir1 && len1 > 0)
--len1;
if (isDir2 && len2 > 0)
--len2;
int i1 = 0;
int i2 = 0;
while (i1 < len1 && i2 < len2) {
QString p1 = splitPath.at(i1);
QString p2 = superDir.splitPath.at(i2);
if (p1 == p2) {
++i1;
++i2;
continue;
}
if (p1.startsWith(QLatin1Char('+'))) {
if (p2.startsWith(QLatin1Char('+')))
return SameDir;
return SecondInFirst;
}
if (p2.startsWith(QLatin1Char('+')))
return FirstInSecond;
return Different;
}
if (i1 < len1) {
if (splitPath.at(i1).startsWith(QLatin1Char('+')))
return SameDir;
return SecondInFirst;
}
if (i2 < len2) {
if (superDir.splitPath.at(i2).startsWith(QLatin1Char('+')))
return SameDir;
return SecondInFirst;
}
return SameDir;
}
QString ImportKey::toString() const
{
QString res;
switch (type) {
case ImportType::UnknownFile:
case ImportType::File:
res = path();
break;
case ImportType::Directory:
case ImportType::ImplicitDirectory:
res = path() + QLatin1Char('/');
break;
case ImportType::QrcDirectory:
res = QLatin1String("qrc:") + path() + QLatin1Char('/');
break;
case ImportType::QrcFile:
res = QLatin1String("qrc:") + path() + QLatin1Char('/');
break;
case ImportType::Invalid:
res = path();
break;
case ImportType::Library:
res = splitPath.join(QLatin1String("."));
break;
}
if (majorVersion != LanguageUtils::ComponentVersion::NoVersion
|| minorVersion != LanguageUtils::ComponentVersion::NoVersion)
return res + QLatin1Char(' ') + QString::number(majorVersion)
+ QLatin1Char('.') + QString::number(minorVersion);
return res;
}
uint qHash(const ImportKey &info)
{
uint res = ::qHash(info.type) ^
::qHash(info.majorVersion) ^ ::qHash(info.minorVersion);
foreach (const QString &s, info.splitPath)
res = res ^ ::qHash(s);
return res;
}
bool operator==(const ImportKey &i1, const ImportKey &i2)
{
return i1.type == i2.type
&& i1.splitPath == i2.splitPath
&& i1.majorVersion == i2.majorVersion
&& i1.minorVersion == i2.minorVersion;
}
bool operator !=(const ImportKey &i1, const ImportKey &i2)
{
return ! (i1 == i2);
}
bool operator <(const ImportKey &i1, const ImportKey &i2)
{
return i1.compare(i2) < 0;
}
Export::Export()
: intrinsic(false)
{ }
Export::Export(ImportKey exportName, QString pathRequired, bool intrinsic)
: exportName(exportName), pathRequired(pathRequired), intrinsic(intrinsic)
{ }
bool Export::visibleInVContext(const ViewerContext &vContext) const
{
return pathRequired.isEmpty() || vContext.paths.contains(pathRequired);
}
bool operator ==(const Export &i1, const Export &i2)
{
return i1.exportName == i2.exportName
&& i1.pathRequired == i2.pathRequired
&& i1.intrinsic == i2.intrinsic;
}
bool operator !=(const Export &i1, const Export &i2)
{
return !(i1 == i2);
}
CoreImport::CoreImport() : language(Language::Qml) { }
CoreImport::CoreImport(const QString &importId, const QList<Export> &possibleExports,
Language::Enum language, const QByteArray &fingerprint)
: importId(importId), possibleExports(possibleExports), language(language),
fingerprint(fingerprint)
{ }
bool CoreImport::valid() {
return !fingerprint.isEmpty();
}
QByteArray DependencyInfo::calculateFingerprint(const ImportDependencies &deps)
{
QCryptographicHash hash(QCryptographicHash::Sha1);
rootImport.addToHash(hash);
QStringList coreImports = allCoreImports.toList();
coreImports.sort();
foreach (const QString importId, coreImports) {
hash.addData(reinterpret_cast<const char*>(importId.constData()), importId.size() * sizeof(QChar));
QByteArray coreImportFingerprint = deps.coreImport(importId).fingerprint;
hash.addData(coreImportFingerprint);
}
hash.addData("/", 1);
QList<ImportKey> imports(allImports.toList());
std::sort(imports.begin(), imports.end());
foreach (const ImportKey &k, imports)
k.addToHash(hash);
return hash.result();
}
MatchedImport::MatchedImport()
{ }
MatchedImport::MatchedImport(ImportMatchStrength matchStrength, ImportKey importKey,
const QString &coreImportId)
: matchStrength(matchStrength), importKey(importKey), coreImportId(coreImportId)
{ }
int MatchedImport::compare(const MatchedImport &o) const {
int res = matchStrength.compareMatch(o.matchStrength);
if (res != 0)
return res;
res = importKey.compare(o.importKey);
if (res != 0)
return res;
if (coreImportId < o.coreImportId)
return -1;
if (coreImportId > o.coreImportId)
return 1;
return 0;
}
bool operator ==(const MatchedImport &m1, const MatchedImport &m2)
{
return m1.compare(m2) == 0;
}
bool operator !=(const MatchedImport &m1, const MatchedImport &m2)
{
return m1.compare(m2) != 0;
}
bool operator <(const MatchedImport &m1, const MatchedImport &m2)
{
return m1.compare(m2) < 0;
}
ImportDependencies::ImportDependencies()
{ }
ImportDependencies::~ImportDependencies()
{ }
void ImportDependencies::filter(const ViewerContext &vContext)
{
QMap<QString, CoreImport> newCoreImports;
QMap<ImportKey, QStringList> newImportCache;
QMapIterator<QString, CoreImport> j(m_coreImports);
bool hasChanges = false;
while (j.hasNext()) {
j.next();
const CoreImport &cImport = j.value();
if (vContext.languageIsCompatible(cImport.language)) {
QList<Export> newExports;
foreach (const Export &e, cImport.possibleExports) {
if (e.visibleInVContext(vContext)) {
newExports.append(e);
QStringList &candidateImports = newImportCache[e.exportName];
if (!candidateImports.contains(cImport.importId))
candidateImports.append(cImport.importId);
}
}
if (newExports.size() == cImport.possibleExports.size()) {
newCoreImports.insert(cImport.importId, cImport);
} else if (newExports.length() > 0) {
CoreImport newCImport = cImport;
newCImport.possibleExports = newExports;
newCoreImports.insert(newCImport.importId, newCImport);
hasChanges = true;
} else {
hasChanges = true;
}
} else {
hasChanges = true;
}
}
if (!hasChanges)
return;
m_coreImports = newCoreImports;
m_importCache = newImportCache;
}
CoreImport ImportDependencies::coreImport(const QString &importId) const
{
return m_coreImports.value(importId);
}
void ImportDependencies::iterateOnCandidateImports(
const ImportKey &key, const ViewerContext &vContext,
Utils::function<bool (const ImportMatchStrength &,const Export &,const CoreImport &)>
const &iterF) const
{
switch (key.type) {
case ImportType::Directory:
case ImportType::QrcDirectory:
case ImportType::ImplicitDirectory:
break;
default:
{
QStringList imp = m_importCache.value(key.flatKey());
foreach (const QString &cImportName, imp) {
CoreImport cImport = coreImport(cImportName);
if (vContext.languageIsCompatible(cImport.language)) {
foreach (const Export e, cImport.possibleExports) {
if (e.visibleInVContext(vContext)) {
ImportMatchStrength m = e.exportName.matchImport(key, vContext);
if (m.hasMatch()) {
if (!iterF(m, e, cImport))
return;
}
}
}
}
}
return;
}
}
QMap<ImportKey, QStringList>::const_iterator lb = m_importCache.lowerBound(key.flatKey());
QMap<ImportKey, QStringList>::const_iterator end = m_importCache.constEnd();
while (lb != end) {
ImportKey::DirCompareInfo c = key.compareDir(lb.key());
if (c == ImportKey::SameDir) {
foreach (const QString &cImportName, lb.value()) {
CoreImport cImport = coreImport(cImportName);
if (vContext.languageIsCompatible(cImport.language)) {
foreach (const Export e, cImport.possibleExports) {
if (e.visibleInVContext(vContext)) {
ImportMatchStrength m = e.exportName.matchImport(key, vContext);
if (m.hasMatch()) {
if (!iterF(m, e, cImport))
return;
}
}
}
}
}
} else if (c != ImportKey::SecondInFirst) {
break;
}
++lb;
}
}
class CollectCandidateImports
{
public:
ImportDependencies::ImportElements &res;
CollectCandidateImports(ImportDependencies::ImportElements & res)
: res(res)
{ }
bool operator ()(const ImportMatchStrength &m, const Export &e, const CoreImport &cI) const
{
ImportKey flatName = e.exportName.flatKey();
res[flatName].append(MatchedImport(m, e.exportName, cI.importId));
return true;
}
};
ImportDependencies::ImportElements ImportDependencies::candidateImports(
const ImportKey &key,
const ViewerContext &vContext) const
{
ImportDependencies::ImportElements res;
CollectCandidateImports collector(res);
iterateOnCandidateImports(key, vContext, collector);
typedef QMap<ImportKey, QList<MatchedImport> >::iterator iter_t;
iter_t i = res.begin();
iter_t end = res.end();
while (i != end) {
std::sort(i.value().begin(), i.value().end());
++i;
}
return res;
}
QList<DependencyInfo::ConstPtr> ImportDependencies::createDependencyInfos(
const ImportKey &mainDoc, const ViewerContext &vContext) const
{
Q_UNUSED(mainDoc);
Q_UNUSED(vContext);
QList<DependencyInfo::ConstPtr> res;
QTC_CHECK(false);
return res;
}
void ImportDependencies::addCoreImport(const CoreImport &import)
{
CoreImport newImport = import;
if (m_coreImports.contains(import.importId)) {
CoreImport oldVal = m_coreImports.value(import.importId);
foreach (const Export &e, oldVal.possibleExports) {
if (e.intrinsic)
removeImportCacheEntry(e.exportName, import.importId);
else
newImport.possibleExports.append(e);
}
}
foreach (const Export &e, import.possibleExports)
m_importCache[e.exportName].append(import.importId);
m_coreImports.insert(newImport.importId, newImport);
if (debugImportDependencies) {
QDebug dbg(qDebug());
dbg << "added import "<< newImport.importId << " for";
foreach (const Export &e, newImport.possibleExports)
dbg << " " << e.exportName.toString() << "(" << e.pathRequired << ")";
}
}
void ImportDependencies::removeCoreImport(const QString &importId)
{
if (!m_coreImports.contains(importId)) {
qDebug() << "missing importId in removeCoreImport(" << importId << ")";
return;
}
CoreImport &cImport = m_coreImports[importId];
QList<Export> newExports;
foreach (const Export &e, cImport.possibleExports)
if (e.intrinsic)
removeImportCacheEntry(e.exportName, importId);
else
newExports.append(e);
if (newExports.size()>0)
cImport.possibleExports = newExports;
else
m_coreImports.remove(importId);
if (debugImportDependencies)
qDebug() << "removed import with id:"<< importId;
}
void ImportDependencies::removeImportCacheEntry(const ImportKey &importKey, const QString &importId)
{
QStringList &cImp = m_importCache[importKey];
if (!cImp.removeOne(importId)) {
qDebug() << "missing possibleExport backpointer for " << importKey.toString() << " to "
<< importId;
}
if (cImp.isEmpty())
m_importCache.remove(importKey);
}
void ImportDependencies::addExport(const QString &importId, const ImportKey &importKey,
const QString &requiredPath)
{
if (!m_coreImports.contains(importId)) {
CoreImport newImport(importId);
newImport.language = Language::Unknown;
newImport.possibleExports.append(Export(importKey, requiredPath, false));
m_coreImports.insert(newImport.importId, newImport);
m_importCache[importKey].append(importId);
return;
}
CoreImport &importValue = m_coreImports[importId];
importValue.possibleExports.append(Export(importKey, requiredPath, false));
m_importCache[importKey].append(importId);
if (debugImportDependencies)
qDebug() << "added export "<< importKey.toString() << " for id " <<importId
<< " (" << requiredPath << ")";
}
void ImportDependencies::removeExport(const QString &importId, const ImportKey &importKey,
const QString &requiredPath)
{
if (!m_coreImports.contains(importId)) {
qDebug() << "non existing core import for removeExport(" << importId << ", "
<< importKey.toString() << ")";
} else {
CoreImport &importValue = m_coreImports[importId];
if (!importValue.possibleExports.removeOne(Export(importKey, requiredPath, false))) {
qDebug() << "non existing export for removeExport(" << importId << ", "
<< importKey.toString() << ")";
}
if (importValue.possibleExports.isEmpty() && importValue.fingerprint.isEmpty())
m_coreImports.remove(importId);
}
if (!m_importCache.contains(importKey)) {
qDebug() << "missing possibleExport for " << importKey.toString() << " when removing export of "
<< importId;
} else {
removeImportCacheEntry(importKey, importId);
}
if (debugImportDependencies)
qDebug() << "removed export "<< importKey.toString() << " for id " << importId
<< " (" << requiredPath << ")";
}
void ImportDependencies::iterateOnCoreImports(
const ViewerContext &vContext,
Utils::function<bool (const CoreImport &)> const &iterF) const
{
QMapIterator<QString, CoreImport> i(m_coreImports);
while (i.hasNext()) {
i.next();
if (vContext.languageIsCompatible(i.value().language))
iterF(i.value()); // check also that at least one export is visible?
}
}
void ImportDependencies::iterateOnLibraryImports(
const ViewerContext &vContext,
Utils::function<bool (const ImportMatchStrength &,
const Export &,
const CoreImport &)> const &iterF) const
{
typedef QMap<ImportKey, QStringList>::const_iterator iter_t;
ImportKey firstLib;
firstLib.type = ImportType::Library;
iter_t i = m_importCache.lowerBound(firstLib);
iter_t end = m_importCache.constEnd();
while (i != end && i.key().type == ImportType::Library) {
if (debugImportDependencies)
qDebug() << "libloop:" << i.key().toString() << i.value();
foreach (const QString &cImportName, i.value()) {
CoreImport cImport = coreImport(cImportName);
if (vContext.languageIsCompatible(cImport.language)) {
foreach (const Export &e, cImport.possibleExports) {
if (e.visibleInVContext(vContext) && e.exportName.type == ImportType::Library) {
ImportMatchStrength m = e.exportName.matchImport(i.key(), vContext);
if (m.hasMatch()) {
if (debugImportDependencies)
qDebug() << "import iterate:" << e.exportName.toString()
<< " (" << e.pathRequired << "), id:" << cImport.importId;
if (!iterF(m, e, cImport))
return;
}
}
}
}
}
++i;
}
}
void ImportDependencies::iterateOnSubImports(
const ImportKey &baseKey,
const ViewerContext &vContext,
Utils::function<bool (const ImportMatchStrength &,
const Export &,
const CoreImport &)> const &iterF) const
{
typedef QMap<ImportKey, QStringList>::const_iterator iter_t;
iter_t i = m_importCache.lowerBound(baseKey);
iter_t end = m_importCache.constEnd();
while (i != end) {
ImportKey::DirCompareInfo c = baseKey.compareDir(i.key());
if (c != ImportKey::SameDir && c != ImportKey::SecondInFirst)
break;
foreach (const QString &cImportName, i.value()) {
CoreImport cImport = coreImport(cImportName);
if (vContext.languageIsCompatible(cImport.language)) {
foreach (const Export &e, cImport.possibleExports) {
if (e.visibleInVContext(vContext)) {
ImportMatchStrength m = e.exportName.matchImport(i.key(), vContext);
if (m.hasMatch()) {
if (!iterF(m, e, cImport))
return;
}
}
}
}
}
++i;
}
}
class CollectImportKeys {
public:
QSet<ImportKey> &imports;
CollectImportKeys(QSet<ImportKey> &imports)
: imports(imports)
{ }
bool operator()(const ImportMatchStrength &m,
const Export &e,
const CoreImport &cI) const
{
Q_UNUSED(m);
Q_UNUSED(cI);
imports.insert(e.exportName.flatKey());
return true;
}
};
QSet<ImportKey> ImportDependencies::libraryImports(const ViewerContext &viewContext) const
{
QSet<ImportKey> res;
CollectImportKeys importCollector(res);
iterateOnLibraryImports(viewContext, importCollector);
return res;
}
QSet<ImportKey> ImportDependencies::subdirImports(
const ImportKey &baseKey, const ViewerContext &viewContext) const
{
QSet<ImportKey> res;
CollectImportKeys importCollector(res);
iterateOnSubImports(baseKey, viewContext, importCollector);
return res;
}
} // namespace QmlJS