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Code Issues Releases Wiki Activity

Fix C4189 and C4100 Warnings

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C4189 is 'Local variable initialised but not used'
C4100 is 'Unreferenced parameter'

Fixed some other warnings, e.g. about empty if, too.
This commit is contained in:
James Crook 2018-10-10 19:09:10 +01:00
parent 66c861315f
commit 657159d542
30 changed files with 82 additions and 53 deletions
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2
src/FFT.cpp
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@ -585,6 +585,8 @@ void DerivativeOfWindowFunc(int whichFunction, size_t NumSamples, bool extraSamp
// There are deltas at the ends
const double multiplier = 2 * M_PI / NumSamples;
static const double coeff0 = 0.54, coeff1 = -0.46 * multiplier;
// TODO This code should be more explicit about the precision it intends.
// For now we get C4305 warnings, truncation from 'const double' to 'float'
in[0] *= coeff0;
if (!extraSample)
--NumSamples;

4
src/LabelTrack.cpp
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@ -2569,7 +2569,7 @@ bool LabelTrack::PasteOver(double t, const Track * src)
if (! result )
// THROW_INCONSISTENCY_EXCEPTION; // ?
;
(void)0;// intentionally do nothing
return result;
}
@ -2587,7 +2587,7 @@ void LabelTrack::Paste(double t, const Track *src)
if ( !bOk )
// THROW_INCONSISTENCY_EXCEPTION; // ?
;
(void)0;// intentionally do nothing
}
// This repeats the labels in a time interval a specified number of times.

2
src/Matrix.cpp
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@ -332,7 +332,7 @@ bool InvertMatrix(const Matrix& input, Matrix& Minv)
continue;
if (fabs(M[j][i]) > 0) {
// Subtract a multiple of row i from row j
double factor = M[j][i];
factor = M[j][i];
for(unsigned k = 0; k < N; k++) {
M[j][k] -= (M[i][k] * factor);
Minv[j][k] -= (Minv[i][k] * factor);

8
src/Menus.cpp
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@ -5702,7 +5702,7 @@ void MenuCommandHandler::OnPaste(const CommandContext &context)
bool bPastedSomething = false;
auto pC = clipTrackRange.begin();
size_t nnChannels, ncChannels;
size_t nnChannels=0, ncChannels=0;
while (*pN && *pC) {
auto n = *pN;
auto c = *pC;
@ -6852,6 +6852,8 @@ void MenuCommandHandler::OnSelectClipBoundary(AudacityProject &project, bool nex
MenuCommandHandler::FoundClip MenuCommandHandler::FindNextClip
(AudacityProject &project, const WaveTrack* wt, double t0, double t1)
{
(void)project;//Compiler food.
FoundClip result{};
result.waveTrack = wt;
const auto clips = wt->SortedClipArray();
@ -6888,6 +6890,8 @@ MenuCommandHandler::FoundClip MenuCommandHandler::FindNextClip
MenuCommandHandler::FoundClip MenuCommandHandler::FindPrevClip
(AudacityProject &project, const WaveTrack* wt, double t0, double t1)
{
(void)project;//Compiler food.
FoundClip result{};
result.waveTrack = wt;
const auto clips = wt->SortedClipArray();
@ -7276,7 +7280,6 @@ void MenuCommandHandler::OnZoomFit(const CommandContext &context)
{
auto &project = context.project;
auto &viewInfo = project.GetViewInfo();
auto &selectedRegion = viewInfo.selectedRegion;
auto tracks = project.GetTracks();
const double start = viewInfo.bScrollBeyondZero
@ -7973,7 +7976,6 @@ void MenuCommandHandler::OnCursorTrackEnd(const CommandContext &context)
auto &selectedRegion = project.GetViewInfo().selectedRegion;
double kWayOverToLeft = std::numeric_limits<double>::lowest();
double thisEndOffset = 0.0;
auto trackRange = tracks->Selected();
if (trackRange.empty())

2
src/Mix.cpp
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@ -107,7 +107,7 @@ void MixAndRender(TrackList *tracks, TrackFactory *trackFactory,
}
/* create the destination track (NEW track) */
if (numWaves == TrackList::Channels(first).size())
if (numWaves == (int)TrackList::Channels(first).size())
oneinput = true;
// only one input track (either 1 mono or one linked stereo pair)

2
src/NoteTrack.cpp
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@ -612,7 +612,7 @@ void NoteTrack::Paste(double t, const Track *src)
if ( !bOk )
// THROW_INCONSISTENCY_EXCEPTION; // ?
;
(void)0;// intentionally do nothing
}
void NoteTrack::Silence(double t0, double t1)

6
src/PluginManager.cpp
View File

@ -313,7 +313,7 @@ wxAccStatus CheckListAx::GetSelections( wxVariant * WXUNUSED(selections) )
}
// Returns a state constant.
wxAccStatus CheckListAx::GetState( int childId, long *state )
wxAccStatus CheckListAx::GetState( int childId, long *pState )
{
int flag = wxACC_STATE_SYSTEM_FOCUSABLE;
@ -347,7 +347,7 @@ wxAccStatus CheckListAx::GetState( int childId, long *state )
}
}
*state = flag;
*pState = flag;
return wxACC_OK;
}
@ -1947,7 +1947,7 @@ void PluginManager::Load()
}
// Doing the deletion within the search loop risked skipping some items,
// hence the delayed delete.
for (int i = 0; i < groupsToDelete.Count(); i++) {
for (unsigned int i = 0; i < groupsToDelete.Count(); i++) {
registry.DeleteGroup(groupsToDelete[i]);
}
registry.SetPath("");

1
src/Prefs.cpp
View File

@ -403,6 +403,7 @@ size_t EnumSetting::Find( const wxString &value ) const
void EnumSetting::Migrate( wxString &value )
{
(void)value;// Compiler food
}
bool EnumSetting::Write( const wxString &value )

2
src/TimeTrack.cpp
View File

@ -128,7 +128,7 @@ void TimeTrack::Paste(double t, const Track * src)
if (! bOk )
// THROW_INCONSISTENCY_EXCEPTION // ?
;
(void)0;// intentionally do nothing.
}
void TimeTrack::Silence(double WXUNUSED(t0), double WXUNUSED(t1))

32
src/TrackArtist.cpp
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@ -1899,17 +1899,19 @@ void TrackArtist::DrawClipWaveform(TrackPanelDrawingContext &context,
}
}
// TODO Add a comment to say what this loop does.
// Possily make it into a subroutine.
for (unsigned ii = 0; ii < nPortions; ++ii) {
WavePortion &portion = portions[ii];
const bool showIndividualSamples = portion.averageZoom > threshold1;
const bool showPoints = portion.averageZoom > threshold2;
wxRect& rect = portion.rect;
rect.Intersect(mid);
wxASSERT(rect.width >= 0);
wxRect& rectPortion = portion.rect;
rectPortion.Intersect(mid);
wxASSERT(rectPortion.width >= 0);
float *useMin = 0, *useMax = 0, *useRms = 0;
int *useBl = 0;
WaveDisplay fisheyeDisplay(rect.width);
WaveDisplay fisheyeDisplay(rectPortion.width);
int skipped = 0, skippedLeft = 0, skippedRight = 0;
if (portion.inFisheye) {
if (!showIndividualSamples) {
@ -1917,12 +1919,12 @@ void TrackArtist::DrawClipWaveform(TrackPanelDrawingContext &context,
const auto numSamples = clip->GetNumSamples();
// Get wave display data for different magnification
int jj = 0;
for (; jj < rect.width; ++jj) {
for (; jj < rectPortion.width; ++jj) {
const double time =
zoomInfo.PositionToTime(jj, -leftOffset) - tOffset;
const auto sample = (sampleCount)floor(time * rate + 0.5);
if (sample < 0) {
++rect.x;
++rectPortion.x;
++skippedLeft;
continue;
}
@ -1931,9 +1933,9 @@ void TrackArtist::DrawClipWaveform(TrackPanelDrawingContext &context,
fisheyeDisplay.where[jj - skippedLeft] = sample;
}
skippedRight = rect.width - jj;
skippedRight = rectPortion.width - jj;
skipped = skippedRight + skippedLeft;
rect.width -= skipped;
rectPortion.width -= skipped;
// where needs a sentinel
if (jj > 0)
@ -1941,7 +1943,7 @@ void TrackArtist::DrawClipWaveform(TrackPanelDrawingContext &context,
1 + fisheyeDisplay.where[jj - skippedLeft - 1];
fisheyeDisplay.width -= skipped;
// Get a wave display for the fisheye, uncached.
if (rect.width > 0)
if (rectPortion.width > 0)
if (!clip->GetWaveDisplay(
fisheyeDisplay, t0, -1.0, // ignored
isLoadingOD))
@ -1962,9 +1964,9 @@ void TrackArtist::DrawClipWaveform(TrackPanelDrawingContext &context,
leftOffset += skippedLeft;
if (rect.width > 0) {
if (rectPortion.width > 0) {
if (!showIndividualSamples) {
std::vector<double> vEnv2(rect.width);
std::vector<double> vEnv2(rectPortion.width);
double *const env2 = &vEnv2[0];
clip->GetEnvelope()->GetValues
( tOffset,
@ -1973,8 +1975,8 @@ void TrackArtist::DrawClipWaveform(TrackPanelDrawingContext &context,
// and then interpolate the display
0, // 1.0 / rate,
env2, rect.width, leftOffset, zoomInfo );
DrawMinMaxRMS(dc, rect, env2,
env2, rectPortion.width, leftOffset, zoomInfo );
DrawMinMaxRMS(dc, rectPortion, env2,
zoomMin, zoomMax,
dB, dBRange,
useMin, useMax, useRms, useBl,
@ -1986,14 +1988,14 @@ void TrackArtist::DrawClipWaveform(TrackPanelDrawingContext &context,
auto target = dynamic_cast<SampleHandle*>(context.target.get());
highlight = target && target->GetTrack().get() == track;
#endif
DrawIndividualSamples(dc, leftOffset, rect, zoomMin, zoomMax,
DrawIndividualSamples(dc, leftOffset, rectPortion, zoomMin, zoomMax,
dB, dBRange,
clip, zoomInfo,
bigPoints, showPoints, muted, highlight);
}
}
leftOffset += rect.width + skippedRight;
leftOffset += rectPortion.width + skippedRight;
}
if (drawEnvelope) {

1
src/TrackPanel.cpp
View File

@ -1752,6 +1752,7 @@ void TrackPanel::DrawOutside
void TrackPanel::DrawOutsideOfTrack
(TrackPanelDrawingContext &context, const Track * t, const wxRect & rect)
{
(void)t;// Compiler food
auto dc = &context.dc;
// Fill in area outside of the track

1
src/TrackPanelResizerCell.cpp
View File

@ -24,6 +24,7 @@ TrackPanelResizerCell::TrackPanelResizerCell( std::shared_ptr<Track> pTrack )
std::vector<UIHandlePtr> TrackPanelResizerCell::HitTest
(const TrackPanelMouseState &st, const AudacityProject *pProject)
{
(void)pProject;// Compiler food
std::vector<UIHandlePtr> results;
auto pTrack = mpTrack.lock();
if (pTrack) {

2
src/WaveClip.cpp
View File

@ -1175,7 +1175,7 @@ void SpecCache::Populate
#ifdef _OPENMP
#pragma omp parallel for
#endif
for (auto xx = lowerBoundX; xx < upperBoundX; ++xx) {
for (xx = lowerBoundX; xx < upperBoundX; ++xx) {
float *const results = &freq[nBins * xx];
for (size_t ii = 0; ii < nBins; ++ii) {
float &power = results[ii];

2
src/WaveTrack.cpp
View File

@ -1360,7 +1360,7 @@ void WaveTrack::Paste(double t0, const Track *src)
if( !bOk )
// THROW_INCONSISTENCY_EXCEPTION; // ?
;
(void)0;// Empty if intentional.
}
void WaveTrack::Silence(double t0, double t1)

1
src/commands/ScriptCommandRelay.cpp
View File

@ -107,7 +107,6 @@ int ExecCommand2(wxString *pIn, wxString *pOut)
CommandBuilder builder(*pIn);
if (builder.WasValid())
{
AudacityProject *project = GetActiveProject();
OldStyleCommandPointer cmd = builder.GetCommand();
AppCommandEvent ev;
ev.SetCommand(cmd);

1
src/commands/SelectCommand.cpp
View File

@ -230,6 +230,7 @@ bool SelectTracksCommand::Apply(const CommandContext &context)
// Add 0.01 so we are free of rounding errors in comparisons.
constexpr double fudge = 0.01;
for (auto channel : channels) {
(void)channel;// compiler food
double track = index + fudge + term;
bool sel = first <= track && track <= last;
if( mMode == 0 ){ // Set

2
src/effects/Contrast.cpp
View File

@ -345,6 +345,7 @@ void ContrastDialog::OnGetForeground(wxCommandEvent & /*event*/)
AudacityProject *p = GetActiveProject();
for ( auto t : p->GetTracks()->Selected< const WaveTrack >() ) {
(void)t;// Compiler food;
mForegroundStartT->SetValue(p->mViewInfo.selectedRegion.t0());
mForegroundEndT->SetValue(p->mViewInfo.selectedRegion.t1());
}
@ -360,6 +361,7 @@ void ContrastDialog::OnGetBackground(wxCommandEvent & /*event*/)
AudacityProject *p = GetActiveProject();
for ( auto t : p->GetTracks()->Selected< const WaveTrack >() ) {
(void)t;// Compiler food;
mBackgroundStartT->SetValue(p->mViewInfo.selectedRegion.t0());
mBackgroundEndT->SetValue(p->mViewInfo.selectedRegion.t1());
}

2
src/effects/Reverse.cpp
View File

@ -194,7 +194,7 @@ bool EffectReverse::ProcessOneWave(int count, WaveTrack * track, sampleCount sta
// PRL: I don't think that matters, the sequence of storage of clips in the track
// is not elsewhere assumed to be by time
{
for (auto it = revClips.rbegin(), end = revClips.rend(); it != end; ++it)
for (auto it = revClips.rbegin(), revEnd = revClips.rend(); it != revEnd; ++it)
track->AddClip(std::move(*it));
}

4
src/effects/lv2/LV2Effect.cpp
View File

@ -1838,10 +1838,10 @@ bool LV2Effect::TransferDataToWindow()
return true;
}
for (size_t i = 0, cnt = mGroups.GetCount(); i < cnt; i++)
for (size_t i = 0, groupCount = mGroups.GetCount(); i < GroupCount; i++)
{
const auto & params = mGroupMap[mGroups[i]];
for (size_t pi = 0, cnt = params.size(); pi < cnt; pi++)
for (size_t pi = 0, ParamCount = params.size(); pi < ParamCount; pi++)
{
int p = params[pi];
LV2Port & ctrl = mControls[p];

2
src/effects/nyquist/Nyquist.cpp
View File

@ -2134,7 +2134,7 @@ bool NyquistEffect::ParseProgram(wxInputStream & stream)
// The trick is that xgettext will not consider such lines comments
// and will extract the strings they contain
(line[0] == wxT(';') ||
(dollar = (line[0] == wxT('$')))))
((dollar = (line[0] == wxT('$'))))))
{
Tokenizer tzer;
unsigned nLines = 1;

2
src/export/ExportFFmpegDialogs.cpp
View File

@ -1775,7 +1775,7 @@ int ExportFFmpegOptions::FetchCompatibleFormatList(AVCodecID id, wxString *selfm
if (ofmt->audio_codec == id)
{
wxString ofmtname = wxString::FromUTF8(ofmt->name);
bool found = false;
found = false;
for (unsigned int i = 0; i < FromList.GetCount(); i++)
{
if (ofmtname.Cmp(FromList[i]) == 0)

6
src/prefs/SpectrogramSettings.cpp
View File

@ -388,8 +388,10 @@ namespace
break;
case TWINDOW:
NewWindowFunc(windowType, windowSize, extra, window.get() + padding);
for (int ii = padding, multiplier = -(int)windowSize / 2; ii < (int)endOfWindow; ++ii, ++multiplier)
window[ii] *= multiplier;
{
for (int ii = padding, multiplier = -(int)windowSize / 2; ii < (int)endOfWindow; ++ii, ++multiplier)
window[ii] *= multiplier;
}
break;
case DWINDOW:
DerivativeOfWindowFunc(windowType, windowSize, extra, window.get() + padding);

1
src/toolbars/ToolBar.cpp
View File

@ -876,6 +876,7 @@ void ToolBar::OnErase( wxEraseEvent & WXUNUSED(event) )
//
void ToolBar::OnPaint( wxPaintEvent & event )
{
(void)event;// compiler food.
//wxPaintDC dc( (wxWindow *) event.GetEventObject() );
wxPaintDC dc( this );
// Start with a clean background

4
src/tracks/playabletrack/notetrack/ui/StretchHandle.cpp
View File

@ -192,12 +192,12 @@ UIHandle::Result StretchHandle::Drag
const wxMouseEvent &event = evt.event;
const int x = event.m_x;
Track *clickedTrack;
Track *clickedTrack=nullptr;
if (evt.pCell)
clickedTrack =
static_cast<CommonTrackPanelCell*>(evt.pCell.get())->FindTrack().get();
if (clickedTrack == NULL && mpTrack != NULL)
if (clickedTrack == nullptr && mpTrack != nullptr)
clickedTrack = mpTrack.get();
Stretch(pProject, x, mLeftEdge, clickedTrack);
return RefreshAll;

1
src/tracks/playabletrack/wavetrack/ui/WaveTrackControls.cpp
View File

@ -935,7 +935,6 @@ void WaveTrackMenuTable::OnSwapChannels(wxCommandEvent &)
Track *const focused = project->GetTrackPanel()->GetFocusedTrack();
const bool hasFocus = channels.contains( focused );
auto first = *channels.begin();
auto partner = *channels.rbegin();
SplitStereo(false);

6
src/tracks/playabletrack/wavetrack/ui/WaveTrackSliderHandles.cpp
View File

@ -79,8 +79,8 @@ UIHandlePtr GainSliderHandle::HitTest
if ( TrackInfo::HideTopItem( rect, sliderRect))
return {};
if (sliderRect.Contains(state.m_x, state.m_y)) {
wxRect sliderRect;
TrackInfo::GetGainRect(rect.GetTopLeft(), sliderRect);
wxRect sliderRect2;
TrackInfo::GetGainRect(rect.GetTopLeft(), sliderRect2);
auto sliderFn =
[]( AudacityProject *pProject, const wxRect &sliderRect, Track *pTrack ) {
return TrackInfo::GainSlider
@ -88,7 +88,7 @@ UIHandlePtr GainSliderHandle::HitTest
const_cast<TrackPanel*>(pProject->GetTrackPanel()));
};
auto result =
std::make_shared<GainSliderHandle>( sliderFn, sliderRect, pTrack );
std::make_shared<GainSliderHandle>( sliderFn, sliderRect2, pTrack );
result = AssignUIHandlePtr(holder, result);
return result;

2
src/tracks/playabletrack/wavetrack/ui/WaveTrackUI.cpp
View File

@ -50,7 +50,7 @@ std::vector<UIHandlePtr> WaveTrack::DetailedHitTest
// Some special targets are not drawn in spectrogram,
// so don't hit them in such views.
else if (isWaveform) {
UIHandlePtr result;
if (NULL != (result = CutlineHandle::HitTest(
mCutlineHandle, st.state, st.rect,
pProject, Pointer<WaveTrack>(this))))

2
src/tracks/ui/TimeShiftHandle.cpp
View File

@ -536,6 +536,8 @@ namespace {
const ViewInfo &viewInfo, wxCoord xx, ClipMoveState &state,
double tolerance, double &desiredSlideAmount )
{
(void)xx;// Compiler food
(void)viewInfo;// Compiler food
bool ok = true;
double firstTolerance = tolerance;

4
src/widgets/ASlider.cpp
View File

@ -988,9 +988,7 @@ bool LWSlider::DoShowDialog(wxPoint pos)
if (pos == wxPoint(-1, -1)) {
dlg.Center();
}
float initialValue = mCurrentValue;
changed = (dlg.ShowModal() == wxID_OK);
if( changed )
value = dlg.Get();

28
src/widgets/Ruler.cpp
View File

@ -2050,6 +2050,8 @@ public:
(const TrackPanelMouseState &state, const AudacityProject *pProject)
override
{
(void)pProject;// Compiler food
(void)state;// Compiler food
// May come here when recording is in progress, so hit tests are turned
// off.
wxString tooltip;
@ -2068,6 +2070,8 @@ public:
(const wxRect &rect,
wxWindow *pParent, wxPoint *pPosition) final override
{
(void)pParent;// Compiler food
(void)rect;// Compiler food
mParent->ShowContextMenu(mMenuChoice, pPosition);
return 0;
}
@ -2125,6 +2129,7 @@ protected:
Result Cancel(AudacityProject *pProject) override
{
(void)pProject;// Compiler food
return RefreshCode::DrawOverlays;
}
@ -2230,6 +2235,7 @@ protected:
Result Click
(const TrackPanelMouseEvent &event, AudacityProject *pProject) override
{
(void)pProject;// Compiler food
if (event.event.LeftDClick()) {
// Restore default position on double click
TracksPrefs::SetPinnedHeadPositionPreference( 0.5, true );
@ -2255,6 +2261,9 @@ protected:
(const TrackPanelMouseState &state, const AudacityProject *pProject)
override
{
(void)pProject;// Compiler food
(void)state;// Compiler food
static wxCursor cursor{ wxCURSOR_SIZEWE };
return {
_( "Click and drag to adjust, double-click to reset" ),
@ -2274,6 +2283,7 @@ protected:
Result Cancel(AudacityProject *pProject) override
{
(void)pProject;// Compiler food
TracksPrefs::SetPinnedHeadPositionPreference( mOrigPreference );
return RefreshCode::DrawOverlays;
}
@ -2328,12 +2338,14 @@ std::vector<UIHandlePtr> AdornedRulerPanel::QPCell::HitTest
auto xx = state.state.m_x;
#ifdef EXPERIMENTAL_DRAGGABLE_PLAY_HEAD
// Allow click and drag on the play head even while recording
// Make this handle more prominent then the quick play handle
auto result = PlayheadHandle::HitTest( pProject, xx );
if (result) {
result = AssignUIHandlePtr( mPlayheadHolder, result );
results.push_back( result );
{
// Allow click and drag on the play head even while recording
// Make this handle more prominent then the quick play handle
auto result = PlayheadHandle::HitTest( pProject, xx );
if (result) {
result = AssignUIHandlePtr( mPlayheadHolder, result );
results.push_back( result );
}
}
#endif
@ -2461,6 +2473,7 @@ std::vector<UIHandlePtr> AdornedRulerPanel::ScrubbingCell::HitTest
(const TrackPanelMouseState &state,
const AudacityProject *pProject)
{
(void)pProject;// Compiler food
// Creation of overlays on demand here -- constructor of AdornedRulerPanel
// is too early to do it
mParent->CreateOverlays();
@ -3037,6 +3050,7 @@ auto AdornedRulerPanel::ScrubbingHandle::Preview
(const TrackPanelMouseState &state, const AudacityProject *pProject)
-> HitTestPreview
{
(void)state;// Compiler food
const auto &scrubber = pProject->GetScrubber();
auto message = ScrubbingMessage(scrubber, mClicked == Button::Left);
@ -3789,6 +3803,8 @@ void AdornedRulerPanel::ProcessUIHandleResult
(TrackPanelCell *pClickedTrack, TrackPanelCell *pLatestCell,
unsigned refreshResult)
{
(void)pLatestCell;// Compiler food
(void)pClickedTrack;// Compiler food
if (refreshResult & RefreshCode::DrawOverlays)
DrawBothOverlays();
}