QString DoxygenGenerator::generate(QTextCursor cursor)
{
const QChar &c = cursor.document()->characterAt(cursor.position());
if (!c.isLetter() && c != QLatin1Char('_'))
return QString();
// Try to find what would be the declaration we are interested in.
SimpleLexer lexer;
QTextBlock block = cursor.block();
while (block.isValid()) {
const QString &text = block.text();
const QList<Token> &tks = lexer(text);
foreach (const Token &tk, tks) {
if (tk.is(T_SEMICOLON) || tk.is(T_LBRACE)) {
// No need to continue beyond this, we might already have something meaningful.
cursor.setPosition(block.position() + tk.end(), QTextCursor::KeepAnchor);
break;
}
}
if (cursor.hasSelection())
break;
block = block.next();
}
if (!cursor.hasSelection())
return QString();
QString declCandidate = cursor.selectedText();
declCandidate.replace(QChar::ParagraphSeparator, QLatin1Char('\n'));
// Let's append a closing brace in the case we got content like 'class MyType {'
if (declCandidate.endsWith(QLatin1Char('{')))
declCandidate.append(QLatin1Char('}'));
Document::Ptr doc = Document::create(QLatin1String("<doxygen>"));
doc->setUtf8Source(declCandidate.toUtf8());
doc->parse(Document::ParseDeclaration);
doc->check(Document::FastCheck);
if (!doc->translationUnit()
|| !doc->translationUnit()->ast()
|| !doc->translationUnit()->ast()->asDeclaration()) {
return QString();
}
return generate(cursor, doc->translationUnit()->ast()->asDeclaration());
}
void tst_Misc::findBreakpoints3()
{
const QByteArray src("\n" // line 0
"int foo() {\n"
" try {\n" // line 2
" bar();\n" // line 3
" } catch (Mooze &m) {\n" // line 4
" wooze();\n" // line 5
" }\n"
" return 0;\n" // line 7
"}\n"
);
Document::Ptr doc = Document::create("findCatchBreakpoint");
QVERIFY(!doc.isNull());
doc->setUtf8Source(src);
bool success = doc->parse();
QVERIFY(success);
QCOMPARE(doc->diagnosticMessages().size(), 0);
FindCdbBreakpoint findBreakpoint(doc->translationUnit());
QCOMPARE(findBreakpoint(2), 3U);
QCOMPARE(findBreakpoint(3), 3U);
QCOMPARE(findBreakpoint(4), 5U);
QCOMPARE(findBreakpoint(5), 5U);
QCOMPARE(findBreakpoint(7), 7U);
}
void tst_Misc::findBreakpoints2()
{
const QByteArray src("\n" // line 0
"void foo() {\n"
" int a = 2;\n" // line 2
" switch (x) {\n" // line 3
" case 1: {\n" // line 4
" int y = 2;\n" // line 5
" y++;\n"
" break;\n" // line 7
" }\n"
" }\n"
"}\n"
);
Document::Ptr doc = Document::create("findSwitchBreakpoint");
QVERIFY(!doc.isNull());
doc->setUtf8Source(src);
bool success = doc->parse();
QVERIFY(success);
QCOMPARE(doc->diagnosticMessages().size(), 0);
FindCdbBreakpoint findBreakpoint(doc->translationUnit());
QCOMPARE(findBreakpoint(0), 2U);
QCOMPARE(findBreakpoint(1), 2U);
QCOMPARE(findBreakpoint(2), 2U);
QCOMPARE(findBreakpoint(3), 3U);
QCOMPARE(findBreakpoint(4), 5U);
QCOMPARE(findBreakpoint(5), 5U);
QCOMPARE(findBreakpoint(6), 6U);
QCOMPARE(findBreakpoint(7), 7U);
}
// Resolves auto and decltype initializer string
QList<LookupItem> TypeResolver::resolveDeclInitializer(
CreateBindings &factory, const Declaration *decl,
const QSet<const Declaration* > &declarationsBeingResolved,
const Identifier *id)
{
const StringLiteral *initializationString = decl->getInitializer();
if (initializationString == 0)
return QList<LookupItem>();
const QByteArray &initializer =
QByteArray::fromRawData(initializationString->chars(),
initializationString->size()).trimmed();
// Skip lambda-function initializers
if (initializer.length() > 0 && initializer[0] == '[')
return QList<LookupItem>();
TypeOfExpression exprTyper;
exprTyper.setExpandTemplates(true);
Document::Ptr doc = factory.snapshot().document(QString::fromLocal8Bit(decl->fileName()));
exprTyper.init(doc, factory.snapshot(), factory.sharedFromThis(), declarationsBeingResolved);
Document::Ptr exprDoc =
documentForExpression(exprTyper.preprocessedExpression(initializer));
factory.addExpressionDocument(exprDoc);
exprDoc->check();
if (id) {
DeduceAutoCheck deduceAuto(id, exprDoc->translationUnit());
if (deduceAuto._block)
return QList<LookupItem>();
}
return exprTyper(extractExpressionAST(exprDoc), exprDoc, decl->enclosingScope());
}
static Document::Ptr create(const QByteArray &source)
{
LanguageFeatures features;
features.objCEnabled = true;
features.qtEnabled = false;
features.qtKeywordsEnabled = false;
features.qtMocRunEnabled = false;
Document::Ptr document = Document::Ptr(new Document);
document->translationUnit()->setLanguageFeatures(features);
const QByteArray preprocessedSource = preprocess(source);
document->translationUnit()->setSource(preprocessedSource.constData(),
preprocessedSource.length());
document->translationUnit()->parse();
if (document->hasParsingErrors())
return Document::Ptr();
return document;
}
void tst_Misc::findBreakpoints()
{
const QByteArray src("\n" // line 0
"class C {\n"
" int a;\n"
" C():\n"
" a(0)\n" // line 4
" {\n" // line 5
" }\n"
" void empty()\n" // line 7
" {\n" // line 8
" }\n"
" void misc() \n"
" { \n" // line 11
" if ( \n" // line 12
" a \n" // line 13
" && \n" // line 14
" b \n" // line 15
" ) \n" // line 16
" { \n" // line 17
" } \n" // line 18
" while ( \n" // line 19
" a \n" // line 20
" && \n" // line 21
" b \n" // line 22
" ) \n" // line 23
" { \n" // line 24
" } \n" // line 25
" do { \n" // line 26
" } \n" // line 27
" while ( \n" // line 28
" a \n" // line 39
" && \n" // line 30
" b \n" // line 31
" ); \n" // line 32
" } \n"
"}; \n"
);
Document::Ptr doc = Document::create("findContstructorBreakpoint");
QVERIFY(!doc.isNull());
doc->setUtf8Source(src);
bool success = doc->parse();
QVERIFY(success);
QCOMPARE(doc->diagnosticMessages().size(), 0);
FindCdbBreakpoint findBreakpoint(doc->translationUnit());
QCOMPARE(findBreakpoint(0), 5U);
QCOMPARE(findBreakpoint(7), 8U);
QCOMPARE(findBreakpoint(11), 16U);
QCOMPARE(findBreakpoint(17), 23U);
QCOMPARE(findBreakpoint(18), 23U);
}
void tst_Lookup::base_class_defined_1()
{
Overview overview;
const QByteArray source = "\n"
"class base {};\n"
"class derived: public base {};\n";
Document::Ptr doc = Document::create("base_class_defined_1");
doc->setSource(source);
doc->parse();
doc->check();
QVERIFY(doc->diagnosticMessages().isEmpty());
QCOMPARE(doc->globalSymbolCount(), 2U);
Snapshot snapshot;
snapshot.insert(doc->fileName(), doc);
Document::Ptr emptyDoc = Document::create("<empty>");
Class *baseClass = doc->globalSymbolAt(0)->asClass();
QVERIFY(baseClass);
Class *derivedClass = doc->globalSymbolAt(1)->asClass();
QVERIFY(derivedClass);
LookupContext ctx(derivedClass, emptyDoc, doc, snapshot);
const QList<Symbol *> candidates =
ctx.resolveClass(derivedClass->baseClassAt(0)->name());
QCOMPARE(candidates.size(), 1);
QCOMPARE(candidates.at(0), baseClass);
TranslationUnit *unit = doc->translationUnit();
QVERIFY(unit != 0);
TranslationUnitAST *ast = unit->ast()->asTranslationUnit();
QVERIFY(ast != 0);
ClassSymbols classSymbols(doc->control());
classSymbols(ast);
QCOMPARE(classSymbols.size(), 2);
const QMap<Class *, ClassSpecifierAST *> classToAST =
invert(classSymbols.asMap());
QVERIFY(classToAST.value(baseClass) != 0);
QVERIFY(classToAST.value(derivedClass) != 0);
}
void tst_Lookup::base_class_defined_1()
{
Overview overview;
const QByteArray source = "\n"
"class base {};\n"
"class derived: public base {};\n";
Document::Ptr doc = Document::create("base_class_defined_1");
doc->setUtf8Source(source);
doc->parse();
doc->check();
QVERIFY(doc->diagnosticMessages().isEmpty());
QCOMPARE(doc->globalSymbolCount(), 2U);
Snapshot snapshot;
snapshot.insert(doc);
Class *baseClass = doc->globalSymbolAt(0)->asClass();
QVERIFY(baseClass);
Class *derivedClass = doc->globalSymbolAt(1)->asClass();
QVERIFY(derivedClass);
const LookupContext ctx(doc, snapshot);
LookupScope *klass = ctx.lookupType(derivedClass->baseClassAt(0)->name(), derivedClass->enclosingScope());
QVERIFY(klass != 0);
QCOMPARE(klass->symbols().size(), 1);
QCOMPARE(klass->symbols().first(), baseClass);
TranslationUnit *unit = doc->translationUnit();
QVERIFY(unit != 0);
TranslationUnitAST *ast = unit->ast()->asTranslationUnit();
QVERIFY(ast != 0);
ClassSymbols classSymbols(unit);
classSymbols(ast);
QCOMPARE(classSymbols.size(), 2);
const QMap<Class *, ClassSpecifierAST *> classToAST =
invert(classSymbols.asMap());
QVERIFY(classToAST.value(baseClass) != 0);
QVERIFY(classToAST.value(derivedClass) != 0);
}
/// Currently, we return the end of fileName.cpp
/// \todo take the definitions of the surrounding declarations into account
QList<InsertionLocation> InsertionPointLocator::methodDefinition(
Declaration *declaration) const
{
QList<InsertionLocation> result;
if (!declaration)
return result;
const QString declFileName = QString::fromUtf8(declaration->fileName(),
declaration->fileNameLength());
QString target = declFileName;
if (!isSourceFile(declFileName)) {
Internal::CppToolsPlugin *cpptools = Internal::CppToolsPlugin::instance();
QString candidate = cpptools->correspondingHeaderOrSource(declFileName);
if (!candidate.isEmpty())
target = candidate;
}
Document::Ptr doc = m_refactoringChanges->file(target).cppDocument();
if (doc.isNull())
return result;
Snapshot simplified = m_refactoringChanges->snapshot().simplified(doc);
if (Symbol *s = simplified.findMatchingDefinition(declaration)) {
if (Function *f = s->asFunction()) {
if (f->isConst() == declaration->type().isConst()
&& f->isVolatile() == declaration->type().isVolatile())
return result;
}
}
TranslationUnit *xUnit = doc->translationUnit();
unsigned tokenCount = xUnit->tokenCount();
if (tokenCount < 2) // no tokens available
return result;
unsigned line = 0, column = 0;
xUnit->getTokenEndPosition(xUnit->tokenCount() - 2, &line, &column);
const QLatin1String prefix("\n\n");
result.append(InsertionLocation(target, prefix, QString(), line, column));
return result;
}
RemoveCastMethods(Document::Ptr doc, QTextDocument *document)
: ASTVisitor(doc->translationUnit()), document(document) {}
FindASTNodes(Document::Ptr doc, QTextDocument *document)
: ASTVisitor(doc->translationUnit()), document(document)
{
}
Utils::ChangeSet FunctionDeclDefLink::changes(const Snapshot &snapshot, int targetOffset)
{
Utils::ChangeSet changes;
// parse the current source declaration
TypeOfExpression typeOfExpression; // ### just need to preprocess...
typeOfExpression.init(sourceDocument, snapshot);
QString newDeclText = linkSelection.selectedText();
for (int i = 0; i < newDeclText.size(); ++i) {
if (newDeclText.at(i).toAscii() == 0)
newDeclText[i] = QLatin1Char('\n');
}
newDeclText.append(QLatin1String("{}"));
const QString newDeclTextPreprocessed = typeOfExpression.preprocess(newDeclText);
Document::Ptr newDeclDoc = Document::create(QLatin1String("<decl>"));
newDeclDoc->setSource(newDeclTextPreprocessed.toUtf8());
newDeclDoc->parse(Document::ParseDeclaration);
newDeclDoc->check();
// extract the function symbol
if (!newDeclDoc->translationUnit()->ast())
return changes;
FunctionDefinitionAST *newDef = newDeclDoc->translationUnit()->ast()->asFunctionDefinition();
if (!newDef)
return changes;
Function *newFunction = newDef->symbol;
if (!newFunction)
return changes;
Overview overview;
overview.setShowReturnTypes(true);
overview.setShowTemplateParameters(true);
overview.setShowArgumentNames(true);
overview.setShowFunctionSignatures(true);
// abort if the name of the newly parsed function is not the expected one
DeclaratorIdAST *newDeclId = getDeclaratorId(newDef->declarator);
if (!newDeclId || !newDeclId->name || !newDeclId->name->name
|| overview(newDeclId->name->name) != nameInitial) {
return changes;
}
LookupContext sourceContext(sourceDocument, snapshot);
LookupContext targetContext(targetFile->cppDocument(), snapshot);
// sync return type
{
// set up for rewriting return type
SubstitutionEnvironment env;
env.setContext(sourceContext);
env.switchScope(sourceFunction->enclosingScope());
ClassOrNamespace *targetCoN = targetContext.lookupType(targetFunction->enclosingScope());
if (!targetCoN)
targetCoN = targetContext.globalNamespace();
UseMinimalNames q(targetCoN);
env.enter(&q);
Control *control = sourceContext.control().data();
// get return type start position and declarator info from declaration
DeclaratorAST *declarator = 0;
SpecifierAST *firstReplaceableSpecifier = 0;
TranslationUnit *targetTranslationUnit = targetFile->cppDocument()->translationUnit();
if (SimpleDeclarationAST *simple = targetDeclaration->asSimpleDeclaration()) {
declarator = simple->declarator_list->value;
firstReplaceableSpecifier = findFirstReplaceableSpecifier(
targetTranslationUnit, simple->decl_specifier_list);
} else if (FunctionDefinitionAST *def = targetDeclaration->asFunctionDefinition()) {
declarator = def->declarator;
firstReplaceableSpecifier = findFirstReplaceableSpecifier(
targetTranslationUnit, def->decl_specifier_list);
}
int returnTypeStart = 0;
if (firstReplaceableSpecifier)
returnTypeStart = targetFile->startOf(firstReplaceableSpecifier);
else
returnTypeStart = targetFile->startOf(declarator);
if (!newFunction->returnType().isEqualTo(sourceFunction->returnType())
&& !newFunction->returnType().isEqualTo(targetFunction->returnType())) {
FullySpecifiedType type = rewriteType(newFunction->returnType(), &env, control);
const QString replacement = overview(type, targetFunction->name());
changes.replace(returnTypeStart,
targetFile->startOf(targetFunctionDeclarator->lparen_token),
replacement);
}
}
// sync parameters
{
// set up for rewriting parameter types
SubstitutionEnvironment env;
env.setContext(sourceContext);
env.switchScope(sourceFunction);
ClassOrNamespace *targetCoN = targetContext.lookupType(targetFunction);
if (!targetCoN)
targetCoN = targetContext.globalNamespace();
UseMinimalNames q(targetCoN);
env.enter(&q);
Control *control = sourceContext.control().data();
Overview overview;
const unsigned sourceArgCount = declaredArgumentCount(sourceFunction);
const unsigned newArgCount = declaredArgumentCount(newFunction);
const unsigned targetArgCount = declaredArgumentCount(targetFunction);
// check if parameter types or names have changed
const unsigned existingArgs = qMin(targetArgCount, newArgCount);
ParameterDeclarationClauseAST *targetParameterDecl =
targetFunctionDeclarator->parameter_declaration_clause;
ParameterDeclarationListAST *firstTargetParameterDeclIt =
targetParameterDecl ? targetParameterDecl->parameter_declaration_list : 0;
ParameterDeclarationListAST *targetParameterDeclIt = firstTargetParameterDeclIt;
for (unsigned i = 0;
i < existingArgs && targetParameterDeclIt;
++i, targetParameterDeclIt = targetParameterDeclIt->next) {
Symbol *targetParam = targetFunction->argumentAt(i);
Symbol *newParam = newFunction->argumentAt(i);
// if new's name and type are the same as source's, forbid changes
bool allowChangeType = true;
const Name *replacementName = newParam->name();
if (i < sourceArgCount) {
Symbol *sourceParam = sourceFunction->argumentAt(i);
if (newParam->type().isEqualTo(sourceParam->type()))
allowChangeType = false;
if (namesEqual(replacementName, sourceParam->name()))
replacementName = targetParam->name();
}
// don't change the name if it's in a comment
if (hasCommentedName(targetFile->cppDocument()->translationUnit(),
targetFile->cppDocument()->source(),
targetFunctionDeclarator, i))
replacementName = 0;
// find the end of the parameter declaration
ParameterDeclarationAST *targetParamAst = targetParameterDeclIt->value;
int parameterNameEnd = 0;
if (targetParamAst->declarator)
parameterNameEnd = targetFile->endOf(targetParamAst->declarator);
else if (targetParamAst->type_specifier_list)
parameterNameEnd = targetFile->endOf(targetParamAst->type_specifier_list->lastToken() - 1);
else
parameterNameEnd = targetFile->startOf(targetParamAst);
// change name and type?
if (allowChangeType
&& !targetParam->type().isEqualTo(newParam->type())) {
FullySpecifiedType replacementType = rewriteType(newParam->type(), &env, control);
const QString replacement = overview(replacementType, replacementName);
changes.replace(targetFile->startOf(targetParamAst),
parameterNameEnd,
replacement);
}
// change the name only?
else if (!namesEqual(targetParam->name(), replacementName)) {
DeclaratorIdAST *id = getDeclaratorId(targetParamAst->declarator);
QString replacementNameStr = overview(replacementName);
if (id) {
changes.replace(targetFile->range(id), replacementNameStr);
} else {
// add name to unnamed parameter
replacementNameStr.prepend(QLatin1Char(' '));
int end;
if (targetParamAst->equal_token) {
end = targetFile->startOf(targetParamAst->equal_token);
replacementNameStr.append(QLatin1Char(' '));
} else {
// one past end on purpose
end = targetFile->startOf(targetParamAst->lastToken());
}
changes.replace(parameterNameEnd, end, replacementNameStr);
}
}
}
// remove some parameters?
if (newArgCount < targetArgCount) {
targetParameterDeclIt = firstTargetParameterDeclIt;
if (targetParameterDeclIt) {
if (newArgCount == 0) {
changes.remove(targetFile->startOf(targetParameterDeclIt->firstToken()),
targetFile->endOf(targetParameterDeclIt->lastToken() - 1));
} else {
// get the last valid argument
for (unsigned i = 0; i < newArgCount - 1 && targetParameterDeclIt; ++i)
targetParameterDeclIt = targetParameterDeclIt->next;
if (targetParameterDeclIt) {
const int start = targetFile->endOf(targetParameterDeclIt->value);
const int end = targetFile->endOf(targetParameterDecl->lastToken() - 1);
changes.remove(start, end);
}
}
}
}
// add some parameters?
else if (newArgCount > targetArgCount) {
QString newParams;
for (unsigned i = targetArgCount; i < newArgCount; ++i) {
Symbol *param = newFunction->argumentAt(i);
FullySpecifiedType type = rewriteType(param->type(), &env, control);
if (i != 0)
newParams += QLatin1String(", ");
newParams += overview(type, param->name());
}
targetParameterDeclIt = firstTargetParameterDeclIt;
if (targetParameterDeclIt) {
while (targetParameterDeclIt->next)
targetParameterDeclIt = targetParameterDeclIt->next;
changes.insert(targetFile->endOf(targetParameterDeclIt->value), newParams);
} else {
changes.insert(targetFile->endOf(targetFunctionDeclarator->lparen_token), newParams);
}
}
}
// sync cv qualification
if (targetFunction->isConst() != newFunction->isConst()
|| targetFunction->isVolatile() != newFunction->isVolatile()) {
QString cvString;
if (newFunction->isConst())
cvString += QLatin1String("const");
if (newFunction->isVolatile()) {
if (!cvString.isEmpty())
cvString += QLatin1Char(' ');
cvString += QLatin1String("volatile");
}
const int rparenEnd = targetFile->endOf(targetFunctionDeclarator->rparen_token);
if (targetFunctionDeclarator->cv_qualifier_list) {
const int cvEnd = targetFile->endOf(targetFunctionDeclarator->cv_qualifier_list->lastToken() - 1);
// if the qualifies changed, replace
if (!cvString.isEmpty()) {
changes.replace(targetFile->startOf(targetFunctionDeclarator->cv_qualifier_list->firstToken()),
cvEnd, cvString);
} else {
// remove
changes.remove(rparenEnd, cvEnd);
}
} else {
// otherwise add
cvString.prepend(QLatin1Char(' '));
changes.insert(rparenEnd, cvString);
}
}
if (targetOffset != -1) {
// move all change operations to have the right start offset
const int moveAmount = targetOffset - targetFile->startOf(targetDeclaration);
QList<Utils::ChangeSet::EditOp> ops = changes.operationList();
for (int i = 0; i < ops.size(); ++i) {
ops[i].pos1 += moveAmount;
ops[i].pos2 += moveAmount;
}
changes = Utils::ChangeSet(ops);
}
return changes;
}
