From d8e3001e535fad178c621ff07418f81f25123dc4 Mon Sep 17 00:00:00 2001
From: Rusty Wagner <rusty.wagner@gmail.com>
Date: Thu, 22 Aug 2024 12:55:49 -0600
Subject: Allow multiple high level representations for display, add Pseudo
 Rust and a Pseudo Python example plugin

---
 lang/rust/pseudorust.h | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 lang/rust/pseudorust.h

(limited to 'lang/rust/pseudorust.h')

diff --git a/lang/rust/pseudorust.h b/lang/rust/pseudorust.h
new file mode 100644
index 00000000..a6494319
--- /dev/null
+++ b/lang/rust/pseudorust.h
@@ -0,0 +1,79 @@
+#pragma once
+
+#include "binaryninjaapi.h"
+
+class PseudoRustFunction: public BinaryNinja::LanguageRepresentationFunction
+{
+	BinaryNinja::Ref<BinaryNinja::HighLevelILFunction> m_highLevelIL;
+
+	enum FieldDisplayType
+	{
+		FieldDisplayName,
+		FieldDisplayOffset,
+		FieldDisplayMemberOffset,
+		FieldDisplayNone
+	};
+
+	enum ExpressionType
+	{
+		StatementExpression,
+		TrailingStatementExpression,
+		InnerExpression
+	};
+
+	BinaryNinja::Ref<BinaryNinja::Type> GetFieldType(const BinaryNinja::HighLevelILInstruction& var, bool deref);
+	FieldDisplayType GetFieldDisplayType(BinaryNinja::Ref<BinaryNinja::Type> type, uint64_t offset, size_t memberIndex, bool deref);
+
+	BNSymbolDisplayResult AppendPointerTextToken(const BinaryNinja::HighLevelILInstruction& instr, int64_t val,
+		std::vector<BinaryNinja::InstructionTextToken>& tokens, BinaryNinja::DisassemblySettings* settings,
+		BNSymbolDisplayType symbolDisplay, BNOperatorPrecedence precedence);
+	std::string GetSizeToken(size_t size, bool isSigned);
+	void AppendSizeToken(size_t size, bool isSigned, BinaryNinja::HighLevelILTokenEmitter& emitter);
+	void AppendSingleSizeToken(size_t size, BNInstructionTextTokenType type, BinaryNinja::HighLevelILTokenEmitter& emitter);
+	void AppendComparison(const std::string& comparison, const BinaryNinja::HighLevelILInstruction& instr,
+		BinaryNinja::HighLevelILTokenEmitter& emitter, BinaryNinja::DisassemblySettings* settings, bool asFullAst,
+		BNOperatorPrecedence precedence, std::optional<bool> signedHint = std::nullopt);
+	void AppendTwoOperand(const std::string& operand, const BinaryNinja::HighLevelILInstruction& instr,
+		BinaryNinja::HighLevelILTokenEmitter& emitter, BinaryNinja::DisassemblySettings* settings, bool asFullAst,
+		BNOperatorPrecedence precedence, std::optional<bool> signedHint = std::nullopt);
+	void AppendTwoOperandFunction(const std::string& function, const BinaryNinja::HighLevelILInstruction& instr,
+		BinaryNinja::HighLevelILTokenEmitter& tokens, BinaryNinja::DisassemblySettings* settings, bool sizeToken = true);
+	void AppendTwoOperandMethodCall(const std::string& function, const BinaryNinja::HighLevelILInstruction& instr,
+		BinaryNinja::HighLevelILTokenEmitter& tokens, BinaryNinja::DisassemblySettings* settings);
+	void AppendTwoOperandFunctionWithCarry(const std::string& function, const BinaryNinja::HighLevelILInstruction& instr,
+		BinaryNinja::HighLevelILTokenEmitter& tokens, BinaryNinja::DisassemblySettings* settings);
+	void AppendFieldTextTokens(const BinaryNinja::HighLevelILInstruction& var, uint64_t offset, size_t memberIndex, size_t size,
+		BinaryNinja::HighLevelILTokenEmitter& tokens, bool deref);
+	bool IsMutable(const BinaryNinja::Variable& var) const;
+
+	void GetExprText(const BinaryNinja::HighLevelILInstruction& instr, BinaryNinja::HighLevelILTokenEmitter& tokens,
+		BinaryNinja::DisassemblySettings* settings, bool asFullAst = true,
+		BNOperatorPrecedence precedence = TopLevelOperatorPrecedence, ExpressionType exprType = InnerExpression,
+		std::optional<bool> signedHint = std::nullopt);
+
+protected:
+	virtual void InitTokenEmitter(BinaryNinja::HighLevelILTokenEmitter& tokens) override;
+	virtual void GetExprText(const BinaryNinja::HighLevelILInstruction& instr, BinaryNinja::HighLevelILTokenEmitter& tokens,
+		BinaryNinja::DisassemblySettings* settings, bool asFullAst, BNOperatorPrecedence precedence, bool statement) override;
+	virtual void BeginLines(const BinaryNinja::HighLevelILInstruction& instr, BinaryNinja::HighLevelILTokenEmitter& tokens) override;
+	virtual void EndLines(const BinaryNinja::HighLevelILInstruction& instr, BinaryNinja::HighLevelILTokenEmitter& tokens) override;
+
+public:
+	PseudoRustFunction(BinaryNinja::Architecture* arch, BinaryNinja::Function* owner, BinaryNinja::HighLevelILFunction* highLevelILFunction);
+
+	std::string GetAnnotationStartString() const override;
+	std::string GetAnnotationEndString() const override;
+};
+
+class PseudoRustFunctionType: public BinaryNinja::LanguageRepresentationFunctionType
+{
+	BinaryNinja::Ref<BinaryNinja::TypePrinter> m_typePrinter;
+
+public:
+	PseudoRustFunctionType();
+	BinaryNinja::Ref<BinaryNinja::LanguageRepresentationFunction> Create(BinaryNinja::Architecture* arch,
+		BinaryNinja::Function* owner, BinaryNinja::HighLevelILFunction* highLevelILFunction) override;
+	BinaryNinja::Ref<BinaryNinja::TypePrinter> GetTypePrinter() override;
+	std::vector<BinaryNinja::DisassemblyTextLine> GetFunctionTypeTokens(BinaryNinja::Function* func,
+		BinaryNinja::DisassemblySettings* settings) override;
+};
-- 
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