RedPanda-CPP/RedPandaIDE/debugger.cpp

605 lines
16 KiB
C++

#include "debugger.h"
#include "utils.h"
#include "mainwindow.h"
Debugger::Debugger(QObject *parent) : QObject(parent)
{
}
DebugReader::DebugReader(QObject *parent) : QObject(parent)
{
}
void DebugReader::clearCmdQueue()
{
QMutexLocker locker(&mMutex);
mCmdQueue.clear();
while (mUpdateCount>0) {
//WatchView.Items.EndUpdate();
mUpdateCount--;
}
}
bool DebugReader::findAnnotation(AnnotationType annotation)
{
AnnotationType NextAnnotation;
do {
NextAnnotation = getNextAnnotation();
if (NextAnnotation == AnnotationType::TEOF)
return false;
} while (NextAnnotation != annotation);
return true;
}
AnnotationType DebugReader::getAnnotation(const QString &s)
{
if (s == "pre-prompt") {
return AnnotationType::TPrePrompt;
} else if (s == "prompt") {
return AnnotationType::TPrompt;
} else if (s == "post-prompt") {
AnnotationType result = AnnotationType::TPostPrompt;
int IndexBackup = mIndex;
QString t = getNextFilledLine();
int mIndex = IndexBackup;
//hack to catch local
if ((mCurrentCmd) && (mCurrentCmd->command == "info locals")) {
result = AnnotationType::TLocal;
} else if ((mCurrentCmd) && (mCurrentCmd->command == "info args")) {
//hack to catch params
result = AnnotationType::TParam;
} else if (t.startsWith("rax ") || t.startsWith("eax ")) {
// Hack fix to catch register dump
result = AnnotationType::TInfoReg;
} else {
// Another hack to catch assembler
if (t.startsWith("Dump of assembler code for function "))
result = AnnotationType::TInfoAsm;
}
return result;
} else if (s == "error-begin") {
return AnnotationType::TErrorBegin;
} else if (s == "error-end") {
return AnnotationType::TErrorEnd;
} else if (s == "display-begin") {
return AnnotationType::TDisplayBegin;
} else if (s == "display-expression") {
return AnnotationType::TDisplayExpression;
} else if (s == "display-end") {
return AnnotationType::TDisplayEnd;
} else if (s == "frame-source-begin") {
return AnnotationType::TFrameSourceBegin;
} else if (s == "frame-source-file") {
return AnnotationType::TFrameSourceFile;
} else if (s == "frame-source-line") {
return AnnotationType::TFrameSourceLine;
} else if (s == "frame-function-name") {
return AnnotationType::TFrameFunctionName;
} else if (s == "frame-args") {
return AnnotationType::TFrameArgs;
} else if (s == "frame-begin") {
return AnnotationType::TFrameBegin;
} else if (s == "frame-end") {
return AnnotationType::TFrameEnd;
} else if (s == "frame-where") {
return AnnotationType::TFrameWhere;
} else if (s == "source") {
return AnnotationType::TSource;
} else if (s == "exited") {
return AnnotationType::TExit;
} else if (s == "arg-begin") {
return AnnotationType::TArgBegin;
} else if (s == "arg-name-end") {
return AnnotationType::TArgNameEnd;
} else if (s == "arg-value") {
return AnnotationType::TArgValue;
} else if (s == "arg-end") {
return AnnotationType::TArgEnd;
} else if (s == "array-section-begin") {
return AnnotationType::TArrayBegin;
} else if (s == "array-section-end") {
return AnnotationType::TArrayEnd;
} else if (s == "elt") {
return AnnotationType::TElt;
} else if (s == "elt-rep") {
return AnnotationType::TEltRep;
} else if (s == "elt-rep-end") {
return AnnotationType::TEltRepEnd;
} else if (s == "field-begin") {
return AnnotationType::TFieldBegin;
} else if (s == "field-name-end") {
return AnnotationType::TFieldNameEnd;
} else if (s == "field-value") {
return AnnotationType::TFieldValue;
} else if (s == "field-end") {
return AnnotationType::TFieldEnd;
} else if (s == "value-history-value") {
return AnnotationType::TValueHistoryValue;
} else if (s == "value-history-begin") {
return AnnotationType::TValueHistoryBegin;
} else if (s == "value-history-end") {
return AnnotationType::TValueHistoryEnd;
} else if (s == "signal") {
return AnnotationType::TSignal;
} else if (s == "signal-name") {
return AnnotationType::TSignalName;
} else if (s == "signal-name-end") {
return AnnotationType::TSignalNameEnd;
} else if (s == "signal-string") {
return AnnotationType::TSignalString;
} else if (s == "signal-string-end") {
return AnnotationType::TSignalStringEnd;
} else if (mIndex >= mOutput.length()) {
return AnnotationType::TEOF;
} else {
return AnnotationType::TUnknown;;
}
}
AnnotationType DebugReader::getLastAnnotation(const QString &text, int curpos, int len)
{
// Walk back until end of #26's
while ((curpos >= 0) && (text[curpos] != 26))
curpos--;
curpos++;
// Tiny rewrite of GetNextWord for special purposes
QString s = "";
while ((curpos < len) && (text[curpos]>32)) {
s = s + text[curpos];
curpos++;
}
return getAnnotation(s);
}
AnnotationType DebugReader::getNextAnnotation()
{
// Skip until end of #26's, i.e. GDB formatted output
skipToAnnotation();
// Get part this line, after #26#26
return getAnnotation(getNextWord());
}
QString DebugReader::getNextFilledLine()
{
// Walk up to an enter sequence
while (mIndex<mOutput.length() && mOutput[mIndex]!=13 && mOutput[mIndex]!=10 && mOutput[mIndex]!=0)
mIndex++;
// Skip enter sequences (CRLF, CR, LF, etc.)
while (mIndex<mOutput.length() && mOutput[mIndex]==13 && mOutput[mIndex]==10 && mOutput[mIndex]==0)
mIndex++;
// Return next line
return getRemainingLine();
}
QString DebugReader::getNextLine()
{
// Walk up to an enter sequence
while (mIndex<mOutput.length() && mOutput[mIndex]!=13 && mOutput[mIndex]!=10 && mOutput[mIndex]!=0)
mIndex++;
// End of output. Exit
if (mIndex>=mOutput.length())
return "";
// Skip ONE enter sequence (CRLF, CR, LF, etc.)
if ((mOutput[mIndex] == 13) && (mOutput[mIndex] == 10)) // DOS
mIndex+=2;
else if (mOutput[mIndex] == 13) // UNIX
mIndex++;
else if (mOutput[mIndex] == 10) // MAC
mIndex++;
// Return next line
return getRemainingLine();
}
QString DebugReader::getNextWord()
{
QString Result;
// Called when at a space? Skip over
skipSpaces();
// Skip until a space
while (mIndex<mOutput.length() && mOutput[mIndex]>32) {
Result += mOutput[mIndex];
mIndex++;
}
return Result;
}
QString DebugReader::getRemainingLine()
{
QString Result;
// Return part of line still ahead of us
while (mIndex<mOutput.length() && mOutput[mIndex]!=13 && mOutput[mIndex]!=10 && mOutput[mIndex]!=0) {
Result += mOutput[mIndex];
mIndex++;
}
return Result;
}
void DebugReader::handleDisassembly()
{
if (mDisassembly.isEmpty())
return;
// Get info message
QString s = getNextLine();
// the full function name will be saved at index 0
mDisassembly.append(s.mid(36));
s = getNextLine();
// Add lines of disassembly
while (!s.isEmpty() && (s != "End of assembler dump")) {
mDisassembly.append(s);
s = getNextLine();
}
dodisassemblerready = true;
}
void DebugReader::handleDisplay()
{
QString s = getNextLine(); // watch index
if (!findAnnotation(AnnotationType::TDisplayExpression))
return;
QString watchName = getNextLine(); // watch name
// Find parent we're talking about
auto result = mWatchVarList.find(watchName);
if (result != mWatchVarList.end()) {
PWatchVar watchVar = result.value();
// Advance up to the value
if (!findAnnotation(AnnotationType::TDisplayExpression))
return;;
// Refresh GDB index so we can undisplay this by index
watchVar->gdbIndex = s.toInt();
processWatchOutput(watchVar);
}
}
void DebugReader::handleError()
{
QString s = getNextLine(); // error text
if (s.startsWith("Cannot find bounds of current function")) {
//We have exited
handleExit();
} else if (s.startsWith("No symbol \"")) {
int head = s.indexOf('\"');
int tail = s.lastIndexOf('\"');
QString watchName = s.mid(head+1, tail-head-1);
// Update current...
auto result = mWatchVarList.find(watchName);
if (result != mWatchVarList.end()) {
PWatchVar watchVar = result.value();
//todo: update watch value to invalid
invalidateWatchVar(watchVar);
watchVar->gdbIndex = -1;
dorescanwatches = true;
}
}
}
void DebugReader::handleExit()
{
doprocessexited=true;
}
void DebugReader::handleFrames()
{
QString s = getNextLine();
// Is this a backtrace dump?
if (s.startsWith("#")) {
// Find function name
if (!findAnnotation(AnnotationType::TFrameFunctionName))
return;
PTrace trace = std::make_shared<Trace>();
trace->funcname = getNextLine();
// Find argument list start
if (!findAnnotation(AnnotationType::TFrameArgs))
return;
// Arguments are either () or detailed list
s = getNextLine();
while (peekNextAnnotation() == AnnotationType::TArgBegin) {
// argument name
if (!findAnnotation(AnnotationType::TArgBegin))
return;
s = s + getNextLine();
// =
if (!findAnnotation(AnnotationType::TArgNameEnd))
return;
s = s + ' ' + getNextLine() + ' '; // should be =
// argument value
if (!findAnnotation(AnnotationType::TArgValue))
return;
s = s + getNextLine();
// argument end
if (!findAnnotation(AnnotationType::TArgEnd))
return;
s = s + getNextLine();
}
trace->funcname = trace->funcname + s.trimmed();
// source info
if (peekNextAnnotation() == AnnotationType::TFrameSourceBegin) {
// Find filename
if (!findAnnotation(AnnotationType::TFrameSourceFile))
return;
trace->filename = getNextLine();
// find line
if (!findAnnotation(AnnotationType::TFrameSourceLine))
return;
trace->line = getNextLine().trimmed().toInt();
} else {
trace->filename = "";
trace->line = 0;
}
mBacktraceModel.addTrace(trace);
// Skip over the remaining frame part...
if (!findAnnotation(AnnotationType::TFrameEnd))
return;
// Not another one coming? Done!
if (peekNextAnnotation() != AnnotationType::TFrameBegin) {
// End of stack trace dump!
dobacktraceready = true;
}
} else
doupdatecpuwindow = true;
}
void DebugReader::handleLocalOutput()
{
// name(spaces)hexvalue(tab)decimalvalue
QString s = getNextFilledLine();
bool breakLine = false;
while (true) {
if (s.startsWith("\032\032")) {
s = TrimLeft(s);
if (s == "No locals.") {
return;
}
if (s == "No arguments.") {
return;
}
//todo: update local view
// if (breakLine and (MainForm.txtLocals.Lines.Count>0) then begin
// MainForm.txtLocals.Lines[MainForm.txtLocals.Lines.Count-1] := MainForm.txtLocals.Lines[MainForm.txtLocals.Lines.Count-1] + s;
// end else begin
// MainForm.txtLocals.Lines.Add(s);
// end;
breakLine=false;
} else {
breakLine = true;
}
s = getNextLine();
if (!breakLine && s.isEmpty())
break;
}
}
void DebugReader::handleLocals()
{
//todo: clear local view
handleLocalOutput();
}
void DebugReader::handleParams(){
handleLocalOutput();
}
void DebugReader::handleRegisters()
{
// name(spaces)hexvalue(tab)decimalvalue
QString s = getNextFilledLine();
while (true) {
PRegister reg = std::make_shared<Register>();
// Cut name from 1 to first space
int x = s.indexOf(' ');
reg->name = s.mid(0,x-1);
s.remove(0,x);
// Remove spaces
s = TrimLeft(s);
// Cut hex value from 1 to first tab
x = s.indexOf('\t');
if (x<0)
x = s.indexOf(' ');
reg->hexValue = s.mid(0,x - 1);
s.remove(0,x); // delete tab too
s = TrimLeft(s);
// Remaining part contains decimal value
reg->decValue = s;
mRegisters.append(reg);
s = getNextLine();
if (s.isEmpty())
break;
}
doregistersready := true;
}
int BreakpointModel::rowCount(const QModelIndex &) const
{
return mList.size();
}
int BreakpointModel::columnCount(const QModelIndex &) const
{
return 3;
}
QVariant BreakpointModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
if (index.row()<0 || index.row() >= static_cast<int>(mList.size()))
return QVariant();
PBreakpoint breakpoint = mList[index.row()];
if (!breakpoint)
return QVariant();
switch (role) {
case Qt::DisplayRole:
switch (index.column()) {
case 0:
return breakpoint->filename;
case 1:
if (breakpoint->line>0)
return breakpoint->line;
else
return "";
case 2:
return breakpoint->condition;
default:
return QVariant();
}
default:
return QVariant();
}
}
QVariant BreakpointModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
switch(section) {
case 0:
return tr("Filename");
case 1:
return tr("Line");
case 2:
return tr("Condition");
}
}
return QVariant();
}
void BreakpointModel::addBreakpoint(PBreakpoint p)
{
beginInsertRows(QModelIndex(),mList.size(),mList.size());
mList.push_back(p);
endInsertRows();
}
void BreakpointModel::clear()
{
beginRemoveRows(QModelIndex(),0,mList.size()-1);
mList.clear();
endRemoveRows();
}
void BreakpointModel::removeBreakpoint(int row)
{
beginRemoveRows(QModelIndex(),row,row);
mList.removeAt(row);
endRemoveRows();
}
int BacktraceModel::rowCount(const QModelIndex &) const
{
return mList.size();
}
int BacktraceModel::columnCount(const QModelIndex &) const
{
return 3;
}
QVariant BacktraceModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
if (index.row()<0 || index.row() >= static_cast<int>(mList.size()))
return QVariant();
PTrace trace = mList[index.row()];
if (!trace)
return QVariant();
switch (role) {
case Qt::DisplayRole:
switch (index.column()) {
case 0:
return trace->funcname;
case 1:
return trace->filename;
case 2:
if (trace->line>0)
return trace->line;
else
return "";
default:
return QVariant();
}
default:
return QVariant();
}
}
QVariant BacktraceModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
switch(section) {
case 0:
return tr("Function");
case 1:
return tr("Filename");
case 2:
return tr("Line");
}
}
return QVariant();
}
void BacktraceModel::addTrace(PTrace p)
{
beginInsertRows(QModelIndex(),mList.size(),mList.size());
mList.push_back(p);
endInsertRows();
}
void BacktraceModel::clear()
{
beginRemoveRows(QModelIndex(),0,mList.size()-1);
mList.clear();
endRemoveRows();
}
void BacktraceModel::removeTrace(int row)
{
beginRemoveRows(QModelIndex(),row,row);
mList.removeAt(row);
endRemoveRows();
}