void UnlinkedCodeBlock::addTypeProfilerExpressionInfo(unsigned instructionOffset, unsigned startDivot, unsigned endDivot)
{
createRareDataIfNecessary();
RareData::TypeProfilerExpressionRange range;
range.m_startDivot = startDivot;
range.m_endDivot = endDivot;
m_rareData->m_typeProfilerInfoMap.set(instructionOffset, range);
}
void UnlinkedCodeBlock::addExpressionInfo(unsigned instructionOffset,
int divot, int startOffset, int endOffset, unsigned line, unsigned column)
{
if (divot > ExpressionRangeInfo::MaxDivot) {
// Overflow has occurred, we can only give line number info for errors for this region
divot = 0;
startOffset = 0;
endOffset = 0;
} else if (startOffset > ExpressionRangeInfo::MaxOffset) {
// If the start offset is out of bounds we clear both offsets
// so we only get the divot marker. Error message will have to be reduced
// to line and charPosition number.
startOffset = 0;
endOffset = 0;
} else if (endOffset > ExpressionRangeInfo::MaxOffset) {
// The end offset is only used for additional context, and is much more likely
// to overflow (eg. function call arguments) so we are willing to drop it without
// dropping the rest of the range.
endOffset = 0;
}
unsigned positionMode =
(line <= ExpressionRangeInfo::MaxFatLineModeLine && column <= ExpressionRangeInfo::MaxFatLineModeColumn)
? ExpressionRangeInfo::FatLineMode
: (line <= ExpressionRangeInfo::MaxFatColumnModeLine && column <= ExpressionRangeInfo::MaxFatColumnModeColumn)
? ExpressionRangeInfo::FatColumnMode
: ExpressionRangeInfo::FatLineAndColumnMode;
ExpressionRangeInfo info;
info.instructionOffset = instructionOffset;
info.divotPoint = divot;
info.startOffset = startOffset;
info.endOffset = endOffset;
info.mode = positionMode;
switch (positionMode) {
case ExpressionRangeInfo::FatLineMode:
info.encodeFatLineMode(line, column);
break;
case ExpressionRangeInfo::FatColumnMode:
info.encodeFatColumnMode(line, column);
break;
case ExpressionRangeInfo::FatLineAndColumnMode: {
createRareDataIfNecessary();
unsigned fatIndex = m_rareData->m_expressionInfoFatPositions.size();
ExpressionRangeInfo::FatPosition fatPos = { line, column };
m_rareData->m_expressionInfoFatPositions.append(fatPos);
info.position = fatIndex;
}
} // switch
m_expressionInfo.append(info);
}
