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authorRusty Wagner <rusty.wagner@gmail.com>2025-10-27 17:38:54 -0400
committerRusty Wagner <rusty.wagner@gmail.com>2025-10-27 19:58:27 -0400
commit8d91951e428ed7e1878a2e3a362552f0da79d6df (patch)
treefb4839ef692b692ff2f239b75b68d822c932006c /binaryninjaapi.h
parent24ec8c9044f62b9a4de4a1dec8f9abc8cd159862 (diff)
Add documentation to the constant renderer and string recognizer APIs
Diffstat (limited to 'binaryninjaapi.h')
-rw-r--r--binaryninjaapi.h118
1 files changed, 118 insertions, 0 deletions
diff --git a/binaryninjaapi.h b/binaryninjaapi.h
index 4a270cda..375fb227 100644
--- a/binaryninjaapi.h
+++ b/binaryninjaapi.h
@@ -5372,6 +5372,11 @@ namespace BinaryNinja {
std::vector<TypeReferenceSource> typeRefs;
};
+ /*! Represents a custom string type. String types contain the name of the string type and the prefix
+ and postfix used to render them in code.
+
+ \ingroup stringrecognizer
+ */
class CustomStringType: public StaticCoreRefCountObject<BNCustomStringType>
{
public:
@@ -5384,6 +5389,10 @@ namespace BinaryNinja {
const std::string& name, const std::string& stringPrefix = "", const std::string& stringPostfix = "");
};
+ /*! Location associated with a derived string. Locations are optional.
+
+ \ingroup stringrecognizer
+ */
struct DerivedStringLocation
{
BNDerivedStringLocationType locationType;
@@ -5418,6 +5427,12 @@ namespace BinaryNinja {
}
};
+ /*! Contains a string derived from code or data. The string does not need to be directly present in
+ the binary in its raw form. Derived strings can have optional locations to data or code. When
+ creating new derived strings, a custom type should be registered with \c CustomStringType::register.
+
+ \ingroup stringrecognizer
+ */
struct DerivedString
{
StringRef value;
@@ -21425,6 +21440,10 @@ namespace BinaryNinja {
) override;
};
+ /*! \c ConstantRenderer allows custom rendering of constants in high level representations.
+
+ \ingroup constantrenderer
+ */
class ConstantRenderer : public StaticCoreRefCountObject<BNConstantRenderer>
{
std::string m_nameForRegister;
@@ -21435,9 +21454,47 @@ namespace BinaryNinja {
std::string GetName() const;
+ /*! Determines if the rendering methods should be called for the given expression type. It is optional
+ to override this method. If the method isn't overridden, all expression types are passed to the
+ rendering methods.
+
+ \param func \c HighLevelILFunction representing the high level function to be queried
+ \param type Type of the expression
+ \return \c true if the constant should be passed to the rendering methods, \c false otherwise
+ */
virtual bool IsValidForType(HighLevelILFunction* func, Type* type);
+
+ /*! Can be overridden to render a constant that is not a pointer. The expression type and value of the
+ expression are given. If the expression is not handled by this constant renderer, this method should
+ return \c false
+
+ To render a constant, emit the tokens to the tokens object and return \c true
+
+ \param instr High level expression
+ \param type Type of the expression
+ \param val Value of the expression
+ \param tokens Token emitter for adding the rendered tokens
+ \param settings Settings for rendering
+ \param precedence Operator precedence of the expression
+ \return \c true if the constant was rendered, \c false otherwise
+ */
virtual bool RenderConstant(const HighLevelILInstruction& instr, Type* type, int64_t val,
HighLevelILTokenEmitter& tokens, DisassemblySettings* settings, BNOperatorPrecedence precedence);
+
+ /*! Can be overridden to render a constant pointer. The expression type and value of the
+ expression are given. If the expression is not handled by this constant renderer, this method should
+ return \c false
+
+ To render a constant, emit the tokens to the tokens object and return \c true
+
+ \param instr High level expression
+ \param type Type of the expression
+ \param val Value of the expression
+ \param tokens Token emitter for adding the rendered tokens
+ \param settings Settings for rendering
+ \param precedence Operator precedence of the expression
+ \return \c true if the constant was rendered, \c false otherwise
+ */
virtual bool RenderConstantPointer(const HighLevelILInstruction& instr, Type* type, int64_t val,
HighLevelILTokenEmitter& tokens, DisassemblySettings* settings, BNSymbolDisplayType symbolDisplay,
BNOperatorPrecedence precedence);
@@ -21473,6 +21530,10 @@ namespace BinaryNinja {
BNOperatorPrecedence precedence) override;
};
+ /*! \c StringRecognizer recognizes custom strings found in high level expressions.
+
+ \ingroup stringrecognizer
+ */
class StringRecognizer : public StaticCoreRefCountObject<BNStringRecognizer>
{
std::string m_nameForRegister;
@@ -21483,13 +21544,70 @@ namespace BinaryNinja {
std::string GetName() const;
+ /*! Determines if the string recognizer should be called for the given expression type. It is optional
+ to override this method. If the method isn't overridden, all expression types are passed to the
+ string recognizer.
+
+ \param func \c HighLevelILFunction representing the high level function to be queried
+ \param type Type of the expression
+ \return \c true if the expression should be passed to the string recognizer, \c false otherwise
+ */
virtual bool IsValidForType(HighLevelILFunction* func, Type* type);
+
+ /*! Can be overridden to recognize strings for a constant that is not a pointer. The expression type and
+ value of the expression are given. If no string is found for this expression, this method should
+ return \c std::nullopt
+
+ If a string is found, return a \c DerivedString with the string information.
+
+ \param instr High level expression
+ \param type Type of the expression
+ \param val Value of the expression
+ \return Optional \c DerivedString for any string that is found
+ */
virtual std::optional<DerivedString> RecognizeConstant(
const HighLevelILInstruction& instr, Type* type, int64_t val);
+
+ /*! Can be overridden to recognize strings for a constant pointer. The expression type and
+ value of the expression are given. If no string is found for this expression, this method should
+ return \c std::nullopt
+
+ If a string is found, return a \c DerivedString with the string information.
+
+ \param instr High level expression
+ \param type Type of the expression
+ \param val Value of the expression
+ \return Optional \c DerivedString for any string that is found
+ */
virtual std::optional<DerivedString> RecognizeConstantPointer(
const HighLevelILInstruction& instr, Type* type, int64_t val);
+
+ /*! Can be overridden to recognize strings for an external symbol. The expression type and
+ value of the expression are given. If no string is found for this expression, this method should
+ return \c std::nullopt
+
+ If a string is found, return a \c DerivedString with the string information.
+
+ \param instr High level expression
+ \param type Type of the expression
+ \param val Value of the expression
+ \param offset Offset into the external symbol
+ \return Optional \c DerivedString for any string that is found
+ */
virtual std::optional<DerivedString> RecognizeExternPointer(
const HighLevelILInstruction& instr, Type* type, int64_t val, uint64_t offset);
+
+ /*! Can be overridden to recognize strings for an imported symbol. The expression type and
+ value of the expression are given. If no string is found for this expression, this method should
+ return \c std::nullopt
+
+ If a string is found, return a \c DerivedString with the string information.
+
+ \param instr High level expression
+ \param type Type of the expression
+ \param val Value of the expression
+ \return Optional \c DerivedString for any string that is found
+ */
virtual std::optional<DerivedString> RecognizeImport(
const HighLevelILInstruction& instr, Type* type, int64_t val);