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flowgraph.cpp
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// Copyright (c) 2015-2021 Vector 35 Inc
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
#include "binaryninjaapi.h"
using namespace BinaryNinja;
using namespace std;
FlowGraphLayoutRequest::FlowGraphLayoutRequest(FlowGraph* graph, const std::function<void()>& completeFunc):
m_completeFunc(completeFunc)
{
m_object = BNStartFlowGraphLayout(graph->GetObject(), this, CompleteCallback);
}
FlowGraphLayoutRequest::~FlowGraphLayoutRequest()
{
// This object is going away, so ensure that any pending completion routines are
// no longer called
Abort();
BNFreeFlowGraphLayoutRequest(m_object);
}
void FlowGraphLayoutRequest::CompleteCallback(void* ctxt)
{
FlowGraphLayoutRequest* layout = (FlowGraphLayoutRequest*)ctxt;
layout->m_completeFunc();
}
Ref<FlowGraph> FlowGraphLayoutRequest::GetGraph() const
{
return new CoreFlowGraph(BNGetGraphForFlowGraphLayoutRequest(m_object));
}
bool FlowGraphLayoutRequest::IsComplete() const
{
return BNIsFlowGraphLayoutRequestComplete(m_object);
}
void FlowGraphLayoutRequest::Abort()
{
// Must clear the callback with the core before clearing our own function object, as until it
// is cleared in the core it can be called at any time from a different thread.
BNAbortFlowGraphLayoutRequest(m_object);
m_completeFunc = []() {};
}
FlowGraph::FlowGraph()
{
BNCustomFlowGraph callbacks;
callbacks.context = this;
callbacks.prepareForLayout = PrepareForLayoutCallback;
callbacks.populateNodes = PopulateNodesCallback;
callbacks.completeLayout = CompleteLayoutCallback;
callbacks.update = UpdateCallback;
callbacks.freeObject = FreeObjectCallback;
callbacks.externalRefTaken = nullptr;
callbacks.externalRefReleased = nullptr;
AddRefForRegistration();
m_object = BNCreateCustomFlowGraph(&callbacks);
}
FlowGraph::FlowGraph(BNFlowGraph* graph)
{
m_object = graph;
}
void FlowGraph::PrepareForLayoutCallback(void* ctxt)
{
FlowGraph* graph = (FlowGraph*)ctxt;
graph->PrepareForLayout();
}
void FlowGraph::PopulateNodesCallback(void* ctxt)
{
FlowGraph* graph = (FlowGraph*)ctxt;
graph->PopulateNodes();
}
void FlowGraph::CompleteLayoutCallback(void* ctxt)
{
FlowGraph* graph = (FlowGraph*)ctxt;
graph->CompleteLayout();
}
BNFlowGraph* FlowGraph::UpdateCallback(void* ctxt)
{
FlowGraph* graph = (FlowGraph*)ctxt;
Ref<FlowGraph> result = graph->Update();
if (!result)
return nullptr;
return BNNewFlowGraphReference(result->GetObject());
}
void FlowGraph::FreeObjectCallback(void* ctxt)
{
FlowGraph* graph = (FlowGraph*)ctxt;
graph->ReleaseForRegistration();
}
void FlowGraph::FinishPrepareForLayout()
{
BNFinishPrepareForLayout(m_object);
}
void FlowGraph::PrepareForLayout()
{
FinishPrepareForLayout();
}
void FlowGraph::PopulateNodes()
{
}
void FlowGraph::CompleteLayout()
{
}
Ref<Function> FlowGraph::GetFunction() const
{
BNFunction* func = BNGetFunctionForFlowGraph(m_object);
if (!func)
return nullptr;
return new Function(func);
}
Ref<BinaryView> FlowGraph::GetView() const
{
BNBinaryView* view = BNGetViewForFlowGraph(m_object);
if (!view)
return nullptr;
return new BinaryView(view);
}
void FlowGraph::SetFunction(Function* func)
{
BNSetFunctionForFlowGraph(m_object, func ? func->GetObject() : nullptr);
}
void FlowGraph::SetView(BinaryView* view)
{
BNSetViewForFlowGraph(m_object, view ? view->GetObject() : nullptr);
}
int FlowGraph::GetHorizontalNodeMargin() const
{
return BNGetHorizontalFlowGraphNodeMargin(m_object);
}
int FlowGraph::GetVerticalNodeMargin() const
{
return BNGetVerticalFlowGraphNodeMargin(m_object);
}
void FlowGraph::SetNodeMargins(int horiz, int vert)
{
BNSetFlowGraphNodeMargins(m_object, horiz, vert);
}
Ref<FlowGraphLayoutRequest> FlowGraph::StartLayout(const std::function<void()>& func)
{
return new FlowGraphLayoutRequest(this, func);
}
bool FlowGraph::IsLayoutComplete()
{
return BNIsFlowGraphLayoutComplete(m_object);
}
vector<Ref<FlowGraphNode>> FlowGraph::GetNodes()
{
size_t count;
BNFlowGraphNode** nodes = BNGetFlowGraphNodes(m_object, &count);
vector<Ref<FlowGraphNode>> result;
result.reserve(count);
for (size_t i = 0; i < count; i++)
{
auto node = m_cachedNodes.find(nodes[i]);
if (node == m_cachedNodes.end())
{
FlowGraphNode* newNode = new FlowGraphNode(BNNewFlowGraphNodeReference(nodes[i]));
m_cachedNodes[nodes[i]] = newNode;
result.push_back(newNode);
}
else
{
result.push_back(node->second);
}
}
BNFreeFlowGraphNodeList(nodes, count);
return result;
}
Ref<FlowGraphNode> FlowGraph::GetNode(size_t i)
{
BNFlowGraphNode* node = BNGetFlowGraphNode(m_object, i);
if (!node)
return nullptr;
auto nodeIter = m_cachedNodes.find(node);
if (nodeIter == m_cachedNodes.end())
{
FlowGraphNode* newNode = new FlowGraphNode(node);
m_cachedNodes[node] = newNode;
return newNode;
}
else
{
BNFreeFlowGraphNode(node);
return nodeIter->second;
}
}
bool FlowGraph::HasNodes() const
{
return BNFlowGraphHasNodes(m_object);
}
size_t FlowGraph::AddNode(FlowGraphNode* node)
{
m_cachedNodes[node->GetObject()] = node;
return BNAddFlowGraphNode(m_object, node->GetObject());
}
int FlowGraph::GetWidth() const
{
return BNGetFlowGraphWidth(m_object);
}
int FlowGraph::GetHeight() const
{
return BNGetFlowGraphHeight(m_object);
}
vector<Ref<FlowGraphNode>> FlowGraph::GetNodesInRegion(int left, int top, int right, int bottom)
{
size_t count;
BNFlowGraphNode** nodes = BNGetFlowGraphNodesInRegion(m_object, left, top, right, bottom, &count);
vector<Ref<FlowGraphNode>> result;
result.reserve(count);
for (size_t i = 0; i < count; i++)
{
auto node = m_cachedNodes.find(nodes[i]);
if (node == m_cachedNodes.end())
{
FlowGraphNode* newNode = new FlowGraphNode(BNNewFlowGraphNodeReference(nodes[i]));
m_cachedNodes[nodes[i]] = newNode;
result.push_back(newNode);
}
else
{
result.push_back(node->second);
}
}
BNFreeFlowGraphNodeList(nodes, count);
return result;
}
bool FlowGraph::IsILGraph() const
{
return BNIsILFlowGraph(m_object);
}
bool FlowGraph::IsLowLevelILGraph() const
{
return BNIsLowLevelILFlowGraph(m_object);
}
bool FlowGraph::IsMediumLevelILGraph() const
{
return BNIsMediumLevelILFlowGraph(m_object);
}
bool FlowGraph::IsHighLevelILGraph() const
{
return BNIsHighLevelILFlowGraph(m_object);
}
Ref<LowLevelILFunction> FlowGraph::GetLowLevelILFunction() const
{
BNLowLevelILFunction* func = BNGetFlowGraphLowLevelILFunction(m_object);
if (!func)
return nullptr;
return new LowLevelILFunction(func);
}
Ref<MediumLevelILFunction> FlowGraph::GetMediumLevelILFunction() const
{
BNMediumLevelILFunction* func = BNGetFlowGraphMediumLevelILFunction(m_object);
if (!func)
return nullptr;
return new MediumLevelILFunction(func);
}
Ref<HighLevelILFunction> FlowGraph::GetHighLevelILFunction() const
{
BNHighLevelILFunction* func = BNGetFlowGraphHighLevelILFunction(m_object);
if (!func)
return nullptr;
return new HighLevelILFunction(func);
}
void FlowGraph::SetLowLevelILFunction(LowLevelILFunction* func)
{
BNSetFlowGraphLowLevelILFunction(m_object, func ? func->GetObject() : nullptr);
}
void FlowGraph::SetMediumLevelILFunction(MediumLevelILFunction* func)
{
BNSetFlowGraphMediumLevelILFunction(m_object, func ? func->GetObject() : nullptr);
}
void FlowGraph::SetHighLevelILFunction(HighLevelILFunction* func)
{
BNSetFlowGraphHighLevelILFunction(m_object, func ? func->GetObject() : nullptr);
}
void FlowGraph::Show(const string& title)
{
ShowGraphReport(title, this);
}
Ref<FlowGraph> FlowGraph::Update()
{
return nullptr;
}
void FlowGraph::SetOption(BNFlowGraphOption option, bool value)
{
BNSetFlowGraphOption(m_object, option, value);
}
bool FlowGraph::IsOptionSet(BNFlowGraphOption option)
{
return BNIsFlowGraphOptionSet(m_object, option);
}
CoreFlowGraph::CoreFlowGraph(BNFlowGraph* graph): FlowGraph(graph)
{
}
Ref<FlowGraph> CoreFlowGraph::Update()
{
BNFlowGraph* graph = BNUpdateFlowGraph(GetObject());
if (!graph)
return nullptr;
return new CoreFlowGraph(graph);
}