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CppTools: Fix nextToSurroundingDefinitions

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Now it is checked if the adjacent declaration is also defined and one
can define the destination file.

Change-Id: Ifff59c49fc2ab3e2f36f41df42ae4b7d7ff8dd35
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>
This commit is contained in:
Lorenz Haas
2013-06-07 16:44:08 +02:00
committed by Nikolai Kosjar
parent c51195d9bb
commit 8f4c4b41f6
5 changed files with 207 additions and 30 deletions
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147
src/plugins/cpptools/cppcodegen_test.cpp
View File

@@ -621,3 +621,150 @@ void CppToolsPlugin::test_codegen_definition_middle_member()
QCOMPARE(loc.prefix(), QLatin1String("\n\n"));
QCOMPARE(loc.suffix(), QString());
}
void CppToolsPlugin::test_codegen_definition_middle_member_surrounded_by_undefined()
{
const QByteArray srcText = "\n"
"class Foo\n" // line 1
"{\n"
"void foo();\n" // line 3
"void bar();\n" // line 4
"void baz();\n" // line 5
"void car();\n" // line 6
"};\n"
"\n";
const QByteArray dstText = QString::fromLatin1(
"\n"
"#include \"%1/file.h\"\n" // line 1
"int x;\n"
"\n"
"void Foo::car()\n" // line 4
"{\n"
"\n"
"}\n"
"\n"
"int y;\n").arg(QDir::tempPath()).toLatin1();
Document::Ptr src = Document::create(QDir::tempPath() + QLatin1String("/file.h"));
Utils::FileSaver srcSaver(src->fileName());
srcSaver.write(srcText);
srcSaver.finalize();
src->setUtf8Source(srcText);
src->parse();
src->check();
QCOMPARE(src->diagnosticMessages().size(), 0);
QCOMPARE(src->globalSymbolCount(), 1U);
Document::Ptr dst = Document::create(QDir::tempPath() + QLatin1String("/file.cpp"));
dst->addIncludeFile(Document::Include(QLatin1String("file.h"), src->fileName(), 1,
Client::IncludeLocal));
Utils::FileSaver dstSaver(dst->fileName());
dstSaver.write(dstText);
dstSaver.finalize();
dst->setUtf8Source(dstText);
dst->parse();
dst->check();
QCOMPARE(dst->diagnosticMessages().size(), 0);
QCOMPARE(dst->globalSymbolCount(), 3U);
Snapshot snapshot;
snapshot.insert(src);
snapshot.insert(dst);
Class *foo = src->globalSymbolAt(0)->asClass();
QVERIFY(foo);
QCOMPARE(foo->line(), 1U);
QCOMPARE(foo->column(), 7U);
QCOMPARE(foo->memberCount(), 4U);
Declaration *decl = foo->memberAt(1)->asDeclaration();
QVERIFY(decl);
QCOMPARE(decl->line(), 4U);
QCOMPARE(decl->column(), 6U);
CppRefactoringChanges changes(snapshot);
InsertionPointLocator find(changes);
QList<InsertionLocation> locList = find.methodDefinition(decl);
QVERIFY(locList.size() == 1);
InsertionLocation loc = locList.first();
QCOMPARE(loc.fileName(), dst->fileName());
QCOMPARE(loc.line(), 4U);
QCOMPARE(loc.column(), 1U);
QCOMPARE(loc.prefix(), QString());
QCOMPARE(loc.suffix(), QLatin1String("\n\n"));
}
void CppToolsPlugin::test_codegen_definition_member_specific_file()
{
const QByteArray srcText = "\n"
"class Foo\n" // line 1
"{\n"
"void foo();\n" // line 3
"void bar();\n" // line 4
"void baz();\n" // line 5
"};\n"
"\n"
"void Foo::bar()\n"
"{\n"
"\n"
"}\n";
const QByteArray dstText = QString::fromLatin1(
"\n"
"#include \"%1/file.h\"\n" // line 1
"int x;\n"
"\n"
"void Foo::foo()\n" // line 4
"{\n"
"\n"
"}\n" // line 7
"\n"
"int y;\n").arg(QDir::tempPath()).toLatin1();
Document::Ptr src = Document::create(QDir::tempPath() + QLatin1String("/file.h"));
Utils::FileSaver srcSaver(src->fileName());
srcSaver.write(srcText);
srcSaver.finalize();
src->setUtf8Source(srcText);
src->parse();
src->check();
QCOMPARE(src->diagnosticMessages().size(), 0);
QCOMPARE(src->globalSymbolCount(), 2U);
Document::Ptr dst = Document::create(QDir::tempPath() + QLatin1String("/file.cpp"));
dst->addIncludeFile(Document::Include(QLatin1String("file.h"), src->fileName(), 1,
Client::IncludeLocal));
Utils::FileSaver dstSaver(dst->fileName());
dstSaver.write(dstText);
dstSaver.finalize();
dst->setUtf8Source(dstText);
dst->parse();
dst->check();
QCOMPARE(dst->diagnosticMessages().size(), 0);
QCOMPARE(dst->globalSymbolCount(), 3U);
Snapshot snapshot;
snapshot.insert(src);
snapshot.insert(dst);
Class *foo = src->globalSymbolAt(0)->asClass();
QVERIFY(foo);
QCOMPARE(foo->line(), 1U);
QCOMPARE(foo->column(), 7U);
QCOMPARE(foo->memberCount(), 3U);
Declaration *decl = foo->memberAt(2)->asDeclaration();
QVERIFY(decl);
QCOMPARE(decl->line(), 5U);
QCOMPARE(decl->column(), 6U);
CppRefactoringChanges changes(snapshot);
InsertionPointLocator find(changes);
QList<InsertionLocation> locList = find.methodDefinition(decl, true, dst->fileName());
QVERIFY(locList.size() == 1);
InsertionLocation loc = locList.first();
QCOMPARE(loc.fileName(), dst->fileName());
QCOMPARE(loc.line(), 7U);
QCOMPARE(loc.column(), 2U);
QCOMPARE(loc.prefix(), QLatin1String("\n\n"));
QCOMPARE(loc.suffix(), QString());
}

2
src/plugins/cpptools/cpptoolsplugin.h
View File

@@ -82,6 +82,8 @@ private slots:
void test_codegen_definition_first_member();
void test_codegen_definition_last_member();
void test_codegen_definition_middle_member();
void test_codegen_definition_middle_member_surrounded_by_undefined();
void test_codegen_definition_member_specific_file();
void test_completion_forward_declarations_present();
void test_completion_inside_parentheses_c_style_conversion();

51
src/plugins/cpptools/insertionpointlocator.cpp
View File

@@ -470,7 +470,9 @@ static Declaration *isNonVirtualFunctionDeclaration(Symbol *s)
return declaration;
}
static InsertionLocation nextToSurroundingDefinitions(Symbol *declaration, const CppRefactoringChanges &changes)
static InsertionLocation nextToSurroundingDefinitions(Symbol *declaration,
const CppRefactoringChanges &changes,
const QString& destinationFile)
{
InsertionLocation noResult;
Class *klass = declaration->enclosingClass();
@@ -489,35 +491,47 @@ static InsertionLocation nextToSurroundingDefinitions(Symbol *declaration, const
if (declIndex == -1)
return noResult;
// scan preceding declarations for a function declaration
// scan preceding declarations for a function declaration (and see if it is defined)
CppTools::SymbolFinder symbolFinder;
Function *definitionFunction = 0;
QString prefix, suffix;
Declaration *surroundingFunctionDecl = 0;
for (int i = declIndex - 1; i >= 0; --i) {
Symbol *s = klass->memberAt(i);
surroundingFunctionDecl = isNonVirtualFunctionDeclaration(s);
if (surroundingFunctionDecl) {
prefix = QLatin1String("\n\n");
break;
if (!surroundingFunctionDecl)
continue;
if ((definitionFunction = symbolFinder.findMatchingDefinition(surroundingFunctionDecl,
changes.snapshot())))
{
if (destinationFile.isEmpty() || destinationFile == QString::fromUtf8(
definitionFunction->fileName(), definitionFunction->fileNameLength())) {
prefix = QLatin1String("\n\n");
break;
}
definitionFunction = 0;
}
}
if (!surroundingFunctionDecl) {
if (!definitionFunction) {
// try to find one below
for (unsigned i = declIndex + 1; i < klass->memberCount(); ++i) {
Symbol *s = klass->memberAt(i);
surroundingFunctionDecl = isNonVirtualFunctionDeclaration(s);
if (surroundingFunctionDecl) {
suffix = QLatin1String("\n\n");
break;
if (!surroundingFunctionDecl)
continue;
if ((definitionFunction = symbolFinder.findMatchingDefinition(surroundingFunctionDecl,
changes.snapshot())))
{
if (destinationFile.isEmpty() || destinationFile == QString::fromUtf8(
definitionFunction->fileName(), definitionFunction->fileNameLength())) {
suffix = QLatin1String("\n\n");
break;
}
definitionFunction = 0;
}
}
if (!surroundingFunctionDecl)
return noResult;
}
// find the declaration's definition
CppTools::SymbolFinder symbolFinder;
Function *definitionFunction = symbolFinder.findMatchingDefinition(surroundingFunctionDecl,
changes.snapshot());
if (!definitionFunction)
return noResult;
@@ -546,7 +560,8 @@ static InsertionLocation nextToSurroundingDefinitions(Symbol *declaration, const
}
QList<InsertionLocation> InsertionPointLocator::methodDefinition(Symbol *declaration,
bool useSymbolFinder) const
bool useSymbolFinder,
const QString &destinationFile) const
{
QList<InsertionLocation> result;
if (!declaration)
@@ -558,7 +573,9 @@ QList<InsertionLocation> InsertionPointLocator::methodDefinition(Symbol *declara
return result;
}
const InsertionLocation location = nextToSurroundingDefinitions(declaration, m_refactoringChanges);
const InsertionLocation location = nextToSurroundingDefinitions(declaration,
m_refactoringChanges,
destinationFile);
if (location.isValid()) {
result += location;
return result;

3
src/plugins/cpptools/insertionpointlocator.h
View File

@@ -99,7 +99,8 @@ public:
AccessSpec xsSpec) const;
QList<InsertionLocation> methodDefinition(CPlusPlus::Symbol *declaration,
bool useSymbolFinder = true) const;
bool useSymbolFinder = true,
const QString &destinationFile = QString()) const;
private:
CppRefactoringChanges m_refactoringChanges;