kotatogram/lib_ui
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Log some debug information for text processing crashes.

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This commit is contained in:
John Preston 2020-01-20 13:29:52 +03:00
parent c0b07457fa
commit 6d97ae0bce
1 changed files with 18 additions and 1 deletions
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19
ui/text/text_block.cpp
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@ -7,6 +7,7 @@
#include "ui/text/text_block.h"
#include "styles/style_basic.h"
#include "base/integration.h"
#include <private/qfontengine_p.h>
@ -124,6 +125,10 @@ struct LineBreakHelper
//const QFixed LineBreakHelper::RightBearingNotCalculated = QFixed(1);
QString DebugCurrentParsingString, DebugCurrentParsingPart;
int DebugCurrentParsingFrom = 0;
int DebugCurrentParsingLength = 0;
static inline void addNextCluster(int &pos, int end, ScriptLine &line, int &glyphCount,
const QScriptItem &current, const unsigned short *logClusters,
const QGlyphLayout &glyphs)
@ -139,6 +144,15 @@ static inline void addNextCluster(int &pos, int end, ScriptLine &line, int &glyp
++glyphPosition;
} while (glyphPosition < current.num_glyphs && !glyphs.attributes[glyphPosition].clusterStart);
if (!((pos == end && glyphPosition == current.num_glyphs) || logClusters[pos] == glyphPosition)) {
auto str = QStringList();
for (auto i = 0; i < pos; ++i) {
str.append(QString::number(logClusters[i]));
}
base::Integration::Instance().logAssertionViolation(QString("text: %1 (from: %2, length: %3) part: %4").arg(DebugCurrentParsingString).arg(DebugCurrentParsingFrom).arg(DebugCurrentParsingLength).arg(DebugCurrentParsingPart));
base::Integration::Instance().logAssertionViolation(QString("pos: %1, end: %2, glyphPosition: %3, glyphCount: %4, lineLength: %5, num_glyphs: %6, logClusters[0..pos]: %7").arg(pos).arg(end).arg(glyphPosition).arg(glyphCount).arg(line.length).arg(current.num_glyphs).arg(str.join(",")));
Unexpected("Values in addNextCluster()");
}
Q_ASSERT((pos == end && glyphPosition == current.num_glyphs) || logClusters[pos] == glyphPosition);
++glyphCount;
@ -329,7 +343,10 @@ TextBlock::TextBlock(const style::font &font, const QString &str, QFixed minResi
}
}
const auto part = str.mid(_from, length);
DebugCurrentParsingString = str;
DebugCurrentParsingFrom = _from;
DebugCurrentParsingLength = length;
const auto part = DebugCurrentParsingPart = str.mid(_from, length);
QStackTextEngine engine(part, blockFont->f);
BlockParser parser(&engine, this, minResizeWidth, _from, part);