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Clang: Show info bar for parse errors in header files

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...because those errors can lead to a substantial performance/functional
regression.

The actual diagnostics (possibly with children) are shown as details in
the info bar.

The info bar can be hidden with the "Do Not Show Again" button.
Re-enabling the info bar is possible with the new editor tool bar
button.

Change-Id: I03394ff8e3c84127946b0b791930b28a385f5a46
Reviewed-by: David Schulz <david.schulz@qt.io>
This commit is contained in:
Nikolai Kosjar
2016-10-04 16:23:42 +02:00
parent cb24872f43
commit 9d55d8485c
25 changed files with 458 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

65
src/plugins/clangcodemodel/clangdiagnostictooltipwidget.cpp
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@@ -129,9 +129,10 @@ enum IndentType { IndentDiagnostic, DoNotIndentDiagnostic };
QWidget *createDiagnosticLabel(const ClangBackEnd::DiagnosticContainer &diagnostic,
const QString &mainFilePath,
IndentType indentType = DoNotIndentDiagnostic)
IndentType indentType = DoNotIndentDiagnostic,
bool enableClickableFixits = true)
{
const bool hasFixit = !diagnostic.fixIts().isEmpty();
const bool hasFixit = enableClickableFixits ? !diagnostic.fixIts().isEmpty() : false;
const QString diagnosticText = diagnostic.text().toString().toHtmlEscaped();
const QString text = clickableLocation(mainFilePath, diagnostic.location())
+ QStringLiteral(": ")
@@ -159,25 +160,35 @@ class MainDiagnosticWidget : public QWidget
{
Q_OBJECT
public:
MainDiagnosticWidget(const ClangBackEnd::DiagnosticContainer &diagnostic)
MainDiagnosticWidget(const ClangBackEnd::DiagnosticContainer &diagnostic,
const ClangCodeModel::Internal::DisplayHints &displayHints)
{
setContentsMargins(0, 0, 0, 0);
auto *mainLayout = createLayout<QVBoxLayout>();
// Set up header row: category + responsible option
const QString category = diagnostic.category();
const QString responsibleOption = diagnostic.enableOption();
const ClangBackEnd::SourceLocationContainer location = diagnostic.location();
auto *headerLayout = createLayout<QHBoxLayout>();
headerLayout->addWidget(new QLabel(wrapInBoldTags(category)), 1);
// Set up header row: category + responsible option
if (displayHints.showMainDiagnosticHeader) {
const QString category = diagnostic.category();
const QString responsibleOption = diagnostic.enableOption();
auto *responsibleOptionLabel = new QLabel(wrapInColor(responsibleOption, "gray"));
headerLayout->addWidget(responsibleOptionLabel, 0);
mainLayout->addLayout(headerLayout);
auto *headerLayout = createLayout<QHBoxLayout>();
headerLayout->addWidget(new QLabel(wrapInBoldTags(category)), 1);
auto *responsibleOptionLabel = new QLabel(wrapInColor(responsibleOption, "gray"));
headerLayout->addWidget(responsibleOptionLabel, 0);
mainLayout->addLayout(headerLayout);
}
// Set up main row: diagnostic text
mainLayout->addWidget(createDiagnosticLabel(diagnostic, location.filePath()));
const Utf8String mainFilePath = displayHints.showFileNameInMainDiagnostic
? Utf8String()
: location.filePath();
mainLayout->addWidget(createDiagnosticLabel(diagnostic,
mainFilePath,
DoNotIndentDiagnostic,
displayHints.enableClickableFixits));
setLayout(mainLayout);
}
@@ -186,26 +197,35 @@ public:
void addChildrenToLayout(const QString &mainFilePath,
const QVector<ClangBackEnd::DiagnosticContainer>::const_iterator first,
const QVector<ClangBackEnd::DiagnosticContainer>::const_iterator last,
bool enableClickableFixits,
QLayout &boxLayout)
{
for (auto it = first; it != last; ++it)
boxLayout.addWidget(createDiagnosticLabel(*it, mainFilePath, IndentDiagnostic));
for (auto it = first; it != last; ++it) {
boxLayout.addWidget(createDiagnosticLabel(*it,
mainFilePath,
IndentDiagnostic,
enableClickableFixits));
}
}
void setupChildDiagnostics(const QString &mainFilePath,
const QVector<ClangBackEnd::DiagnosticContainer> &diagnostics,
bool enableClickableFixits,
QLayout &boxLayout)
{
if (diagnostics.size() <= 10) {
addChildrenToLayout(mainFilePath, diagnostics.begin(), diagnostics.end(), boxLayout);
addChildrenToLayout(mainFilePath, diagnostics.begin(), diagnostics.end(),
enableClickableFixits, boxLayout);
} else {
addChildrenToLayout(mainFilePath, diagnostics.begin(), diagnostics.begin() + 7, boxLayout);
addChildrenToLayout(mainFilePath, diagnostics.begin(), diagnostics.begin() + 7,
enableClickableFixits, boxLayout);
auto ellipsisLabel = new QLabel(QStringLiteral("..."));
ellipsisLabel->setContentsMargins(childIndentationOnTheLeftInPixel, 0, 0, 0);
boxLayout.addWidget(ellipsisLabel);
addChildrenToLayout(mainFilePath, diagnostics.end() - 3, diagnostics.end(), boxLayout);
addChildrenToLayout(mainFilePath, diagnostics.end() - 3, diagnostics.end(),
enableClickableFixits, boxLayout);
}
}
@@ -214,13 +234,18 @@ void setupChildDiagnostics(const QString &mainFilePath,
namespace ClangCodeModel {
namespace Internal {
void addToolTipToLayout(const ClangBackEnd::DiagnosticContainer &diagnostic, QLayout *target)
void addToolTipToLayout(const ClangBackEnd::DiagnosticContainer &diagnostic,
QLayout *target,
const DisplayHints &displayHints)
{
// Set up header and text row for main diagnostic
target->addWidget(new MainDiagnosticWidget(diagnostic));
target->addWidget(new MainDiagnosticWidget(diagnostic, displayHints));
// Set up child rows for notes
setupChildDiagnostics(diagnostic.location().filePath(), diagnostic.children(), *target);
setupChildDiagnostics(diagnostic.location().filePath(),
diagnostic.children(),
displayHints.enableClickableFixits,
*target);
}
} // namespace Internal