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Clang: Properly apply fix-its from header files

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Diagnostic may also include fix-its for the header
which require different handling.

Task-number: QTCREATORBUG-20517
Change-Id: I3e745622801be3fa2856d968b0c7a2a2aeb89b50
Reviewed-by: David Schulz <david.schulz@qt.io>
This commit is contained in:
Ivan Donchevskii
2018-06-27 15:29:14 +02:00
parent fcfa98ab7c
commit e99d09f846
3 changed files with 31 additions and 24 deletions
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42
src/plugins/clangtools/clangfixitsrefactoringchanges.cpp
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@@ -42,11 +42,11 @@ using namespace Utils;
namespace ClangTools {
namespace Internal {
int FixitsRefactoringFile::position(unsigned line, unsigned column) const
int FixitsRefactoringFile::position(const QString &filePath, unsigned line, unsigned column) const
{
QTC_ASSERT(line != 0, return -1);
QTC_ASSERT(column != 0, return -1);
return document()->findBlockByNumber(line - 1).position() + column - 1;
return document(filePath)->findBlockByNumber(line - 1).position() + column - 1;
}
static QDebug operator<<(QDebug debug, const ReplacementOperation &op)
@@ -71,23 +71,22 @@ bool FixitsRefactoringFile::apply()
QTC_ASSERT(!m_filePath.isEmpty(), return false);
// Check for permissions
if (!QFileInfo(m_filePath).isWritable())
return false; // Error file not writable
// Apply changes
QTextDocument *doc = document();
QTextCursor cursor(doc);
for (int i=0; i < m_replacementOperations.size(); ++i) {
ReplacementOperation &op = *m_replacementOperations[i];
if (op.apply) {
// Check for permissions
if (!QFileInfo(op.fileName).isWritable())
return false; // Error file not writable
qCDebug(fixitsLog) << " " << i << "Applying" << op;
// Shift subsequent operations that are affected
shiftAffectedReplacements(op, i + 1);
// Apply
QTextDocument *doc = document(op.fileName);
QTextCursor cursor(doc);
cursor.setPosition(op.pos);
cursor.setPosition(op.pos + op.length, QTextCursor::KeepAnchor);
cursor.insertText(op.text);
@@ -99,40 +98,45 @@ bool FixitsRefactoringFile::apply()
return false; // Error reading file
QString error;
if (!m_textFileFormat.writeFile(m_filePath, doc->toPlainText(), &error)) {
qCDebug(fixitsLog) << "ERROR: Could not write file" << m_filePath << ":" << error;
return false; // Error writing file
for (auto it = m_documents.begin(); it != m_documents.end(); ++it) {
if (!m_textFileFormat.writeFile(it.key(), it.value()->toPlainText(), &error)) {
qCDebug(fixitsLog) << "ERROR: Could not write file" << it.key() << ":" << error;
return false; // Error writing file
}
}
return true;
}
QTextDocument *FixitsRefactoringFile::document() const
QTextDocument *FixitsRefactoringFile::document(const QString &filePath) const
{
if (!m_document) {
if (m_documents.find(filePath) == m_documents.end()) {
QString fileContents;
if (!m_filePath.isEmpty()) {
if (!filePath.isEmpty()) {
QString error;
QTextCodec *defaultCodec = Core::EditorManager::defaultTextCodec();
TextFileFormat::ReadResult result = TextFileFormat::readFile(
m_filePath, defaultCodec,
filePath, defaultCodec,
&fileContents, &m_textFileFormat,
&error);
if (result != TextFileFormat::ReadSuccess) {
qCDebug(fixitsLog) << "ERROR: Could not read " << m_filePath << ":" << error;
qCDebug(fixitsLog) << "ERROR: Could not read " << filePath << ":" << error;
m_textFileFormat.codec = nullptr;
}
}
// always make a QTextDocument to avoid excessive null checks
m_document = new QTextDocument(fileContents);
m_documents[filePath] = new QTextDocument(fileContents);
}
return m_document;
return m_documents[filePath];
}
void FixitsRefactoringFile::shiftAffectedReplacements(const ReplacementOperation &op, int startIndex)
{
for (int i = startIndex; i < m_replacementOperations.size(); ++i) {
ReplacementOperation &current = *m_replacementOperations[i];
if (op.fileName != current.fileName)
continue;
ReplacementOperation before = current;
if (op.pos <= current.pos)