From 584e4d244a9124f6ec403162994434ff085e9c5d Mon Sep 17 00:00:00 2001
From: Rusty Wagner <rusty@vector35.com>
Date: Thu, 19 Feb 2015 01:32:45 -0500
Subject: Add APIs for accessing function information

---
 api.pro          |  4 +++-
 basicblock.cpp   | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 binaryninjaapi.h | 37 +++++++++++++++++++++++++++++
 function.cpp     | 41 ++++++++++++++++++++++++++++++++
 4 files changed, 153 insertions(+), 1 deletion(-)
 create mode 100644 basicblock.cpp
 create mode 100644 function.cpp

diff --git a/api.pro b/api.pro
index 8cd9642c..8dfd78bd 100644
--- a/api.pro
+++ b/api.pro
@@ -20,7 +20,9 @@ SOURCES += \
     binaryreader.cpp \
     binarywriter.cpp \
     transform.cpp \
-	architecture.cpp
+	architecture.cpp \
+	basicblock.cpp \
+	function.cpp
 
 HEADERS += binaryninjaapi.h
 unix {
diff --git a/basicblock.cpp b/basicblock.cpp
new file mode 100644
index 00000000..6fc72992
--- /dev/null
+++ b/basicblock.cpp
@@ -0,0 +1,72 @@
+#include "binaryninjaapi.h"
+
+using namespace BinaryNinja;
+using namespace std;
+
+
+BasicBlock::BasicBlock(BNBasicBlock* block): m_block(block)
+{
+}
+
+
+BasicBlock::~BasicBlock()
+{
+	BNFreeBasicBlock(m_block);
+}
+
+
+Ref<Function> BasicBlock::GetFunction() const
+{
+	return new Function(BNGetBasicBlockFunction(m_block));
+}
+
+
+Ref<Architecture> BasicBlock::GetArchitecture() const
+{
+	return new CoreArchitecture(BNGetBasicBlockArchitecture(m_block));
+}
+
+
+uint64_t BasicBlock::GetStart() const
+{
+	return BNGetBasicBlockStart(m_block);
+}
+
+
+uint64_t BasicBlock::GetEnd() const
+{
+	return BNGetBasicBlockEnd(m_block);
+}
+
+
+uint64_t BasicBlock::GetLength() const
+{
+	return BNGetBasicBlockLength(m_block);
+}
+
+
+vector<uint8_t> BasicBlock::GetInstructionSizes() const
+{
+	size_t count;
+	uint8_t* array = BNGetBasicBlockInstructionSizes(m_block, &count);
+
+	vector<uint8_t> result;
+	result.insert(result.end(), &array[0], &array[count]);
+
+	BNFreeBasicBlockInstructionSizeList(array);
+	return result;
+}
+
+
+vector<BNBasicBlockEdge> BasicBlock::GetOutgoingEdges() const
+{
+	size_t count;
+	BNBasicBlockEdge* array = BNGetBasicBlockOutgoingEdges(m_block, &count);
+
+	vector<BNBasicBlockEdge> result;
+	for (size_t i = 0; i < count; i++)
+		result.push_back(array[i]);
+
+	BNFreeBasicBlockOutgoingEdgeList(array);
+	return result;
+}
diff --git a/binaryninjaapi.h b/binaryninjaapi.h
index 331fa1fb..891dcda0 100644
--- a/binaryninjaapi.h
+++ b/binaryninjaapi.h
@@ -611,4 +611,41 @@ namespace BinaryNinja
 		CoreArchitecture(BNArchitecture* arch);
 		virtual bool GetInstructionInfo(BinaryView* view, uint64_t addr, InstructionInfo& result) override;
 	};
+
+	class Function;
+
+	class BasicBlock: public RefCountObject
+	{
+		BNBasicBlock* m_block;
+
+	public:
+		BasicBlock(BNBasicBlock* block);
+		~BasicBlock();
+
+		Ref<Function> GetFunction() const;
+		Ref<Architecture> GetArchitecture() const;
+
+		uint64_t GetStart() const;
+		uint64_t GetEnd() const;
+		uint64_t GetLength() const;
+
+		std::vector<uint8_t> GetInstructionSizes() const;
+		std::vector<BNBasicBlockEdge> GetOutgoingEdges() const;
+	};
+
+	class Function: public RefCountObject
+	{
+		BNFunction* m_func;
+
+	public:
+		Function(BNFunction* func);
+		~Function();
+
+		BNFunction* GetFunctionObject() const { return m_func; }
+		
+		Ref<Architecture> GetArchitecture() const;
+		uint64_t GetStart() const;
+
+		std::vector<Ref<BasicBlock>> GetBasicBlocks() const;
+	};
 }
diff --git a/function.cpp b/function.cpp
new file mode 100644
index 00000000..db99b97d
--- /dev/null
+++ b/function.cpp
@@ -0,0 +1,41 @@
+#include "binaryninjaapi.h"
+
+using namespace BinaryNinja;
+using namespace std;
+
+
+Function::Function(BNFunction* func): m_func(func)
+{
+}
+
+
+Function::~Function()
+{
+	BNFreeFunction(m_func);
+}
+
+
+Ref<Architecture> Function::GetArchitecture() const
+{
+	return new CoreArchitecture(BNGetFunctionArchitecture(m_func));
+}
+
+
+uint64_t Function::GetStart() const
+{
+	return BNGetFunctionStart(m_func);
+}
+
+
+vector<Ref<BasicBlock>> Function::GetBasicBlocks() const
+{
+	size_t count;
+	BNBasicBlock** blocks = BNGetFunctionBasicBlockList(m_func, &count);
+
+	vector<Ref<BasicBlock>> result;
+	for (size_t i = 0; i < count; i++)
+		result.push_back(new BasicBlock(BNNewBasicBlockReference(blocks[i])));
+
+	BNFreeBasicBlockList(blocks, count);
+	return result;
+}
-- 
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