4  * Use of this source code is governed by a BSD-style license that can be
17 void SkVMDebugTracePlayer::reset(sk_sp<SkVMDebugTrace> debugTrace) {  in reset()  function in SkSL::SkVMDebugTracePlayer
18     size_t nslots = debugTrace ? debugTrace->fSlotInfo.size() : 0;  in reset()
27     fStack.push_back({/*fFunction=*/-1,  in reset()
28                       /*fLine=*/-1,  in reset()
35             if (fDebugTrace->fSlotInfo[slotIdx].fnReturnValue >= 0) {  in reset()
36                 fReturnValues->set(slotIdx);  in reset()
40         for (const SkVMTraceInfo& trace : fDebugTrace->fTraceInfo) {  in reset()  local
41             if (trace.op == SkVMTraceInfo::Op::kLine) {  in reset()
42                 fLineNumbers[trace.data[0]] += 1;  in reset()
49     this->tidyState();  in step()
50     while (!this->traceHasCompleted()) {  in step()
51         if (this->execute(fCursor++)) {  in step()
58     this->tidyState();  in stepOver()
60     while (!this->traceHasCompleted()) {  in stepOver()
62         if (this->execute(fCursor++)) {  in stepOver()
63             if (canEscapeFromThisStackDepth || this->atBreakpoint()) {  in stepOver()
71     this->tidyState();  in stepOut()
73     while (!this->traceHasCompleted()) {  in stepOut()
74         if (this->execute(fCursor++)) {  in stepOut()
76             if (hasEscapedFromInitialStackDepth || this->atBreakpoint()) {  in stepOut()
84     this->tidyState();  in run()
85     while (!this->traceHasCompleted()) {  in run()
86         if (this->execute(fCursor++)) {  in run()
87             if (this->atBreakpoint()) {  in run()
95     fDirtyMask->reset();  in tidyState()
99     fReturnValues->forEachSetIndex([&](int slot) {  in tidyState()
100         fStack.back().fDisplayMask.reset(slot);  in tidyState()
105     return !fDebugTrace || fCursor >= fDebugTrace->fTraceInfo.size();  in traceHasCompleted()
123     return fBreakpointLines.count(this->getCurrentLine());  in atBreakpoint()
141     funcs.reserve(fStack.size() - 1);  in getCallStack()
150     return fStack.size() - 1;  in getStackDepth()
159         double typedValue = fDebugTrace->interpretValueBits(slot, fSlots[slot].fValue);  in getVariablesForDisplayMask()
160         vars.push_back({slot, fDirtyMask->test(slot), typedValue});  in getVariablesForDisplayMask()
162     // Order the variable list so that the most recently-written variables are shown at the top.  in getVariablesForDisplayMask()
175         SkDEBUGFAILF("stack frame %d doesn't exist", stackFrameIndex - 1);  in getLocalVariables()
178     return this->getVariablesForDisplayMask(fStack[stackFrameIndex].fDisplayMask);  in getLocalVariables()
185     return this->getVariablesForDisplayMask(fStack.front().fDisplayMask);  in getGlobalVariables()
192     const SkSL::SlotDebugInfo& changedSlot = fDebugTrace->fSlotInfo[slotIdx];  in updateVariableWriteTime()
193     slotIdx -= changedSlot.groupIndex;  in updateVariableWriteTime()
195     SkASSERT(slotIdx < (int)fDebugTrace->fSlotInfo.size());  in updateVariableWriteTime()
201         if (slotIdx >= (int)fDebugTrace->fSlotInfo.size()) {  in updateVariableWriteTime()
204         // Each separate variable-group starts with a groupIndex of 0; stop when we detect this.  in updateVariableWriteTime()
205         if (fDebugTrace->fSlotInfo[slotIdx].groupIndex == 0) {  in updateVariableWriteTime()
212     if (position >= fDebugTrace->fTraceInfo.size()) {  in execute()
217     const SkVMTraceInfo& trace = fDebugTrace->fTraceInfo[position];  in execute()  local
218     switch (trace.op) {  in execute()
221             int lineNumber = trace.data[0];  in execute()
223             SkASSERT((size_t)lineNumber < fDebugTrace->fSource.size());  in execute()
226             fLineNumbers[lineNumber] -= 1;  in execute()
230             int slotIdx = trace.data[0];  in execute()
231             int value = trace.data[1];  in execute()
233             SkASSERT((size_t)slotIdx < fDebugTrace->fSlotInfo.size());  in execute()
236             this->updateVariableWriteTime(slotIdx, position);  in execute()
237             if (fDebugTrace->fSlotInfo[slotIdx].fnReturnValue < 0) {  in execute()
247             fDirtyMask->set(slotIdx);  in execute()
251             int fnIdx = trace.data[0];  in execute()
253             SkASSERT((size_t)fnIdx < fDebugTrace->fFuncInfo.size());  in execute()
255                               /*fLine=*/-1,  in execute()
256                               /*fDisplayMask=*/SkBitSet(fDebugTrace->fSlotInfo.size())});  in execute()
261             SkASSERT(fStack.back().fFunction == trace.data[0]);  in execute()
267             fScope += trace.data[0];  in execute()
268             if (trace.data[0] < 0) {  in execute()
273                         fStack.back().fDisplayMask.reset(slotIdx);  in execute()