1 files changed, 0 insertions, 65 deletions
diff --git a/libevmasm/ExpressionClasses.h b/libevmasm/ExpressionClasses.h
index 11a698dd..5d53b292 100644
--- a/libevmasm/ExpressionClasses.h
+++ b/libevmasm/ExpressionClasses.h
@@ -121,70 +121,5 @@ private:
 	std::vector<std::shared_ptr<AssemblyItem>> m_spareAssemblyItems;
 };
 
-/**
- * Pattern to match against an expression.
- * Also stores matched expressions to retrieve them later, for constructing new expressions using
- * ExpressionTemplate.
- */
-class Pattern
-{
-public:
-	using Expression = ExpressionClasses::Expression;
-	using Id = ExpressionClasses::Id;
-
-	// Matches a specific constant value.
-	Pattern(unsigned _value): Pattern(u256(_value)) {}
-	// Matches a specific constant value.
-	Pattern(u256 const& _value): m_type(Push), m_requireDataMatch(true), m_data(_value) {}
-	// Matches a specific assembly item type or anything if not given.
-	Pattern(AssemblyItemType _type = UndefinedItem): m_type(_type) {}
-	// Matches a given instruction with given arguments
-	Pattern(Instruction _instruction, std::vector<Pattern> const& _arguments = {});
-	/// Sets this pattern to be part of the match group with the identifier @a _group.
-	/// Inside one rule, all patterns in the same match group have to match expressions from the
-	/// same expression equivalence class.
-	void setMatchGroup(unsigned _group, std::map<unsigned, Expression const*>& _matchGroups);
-	unsigned matchGroup() const { return m_matchGroup; }
-	bool matches(Expression const& _expr, ExpressionClasses const& _classes) const;
-
-	AssemblyItem toAssemblyItem(SourceLocation const& _location) const;
-	std::vector<Pattern> arguments() const { return m_arguments; }
-
-	/// @returns the id of the matched expression if this pattern is part of a match group.
-	Id id() const { return matchGroupValue().id; }
-	/// @returns the data of the matched expression if this pattern is part of a match group.
-	u256 const& d() const { return matchGroupValue().item->data(); }
-
-	std::string toString() const;
-
-private:
-	bool matchesBaseItem(AssemblyItem const* _item) const;
-	Expression const& matchGroupValue() const;
-
-	AssemblyItemType m_type;
-	bool m_requireDataMatch = false;
-	u256 m_data = 0;
-	std::vector<Pattern> m_arguments;
-	unsigned m_matchGroup = 0;
-	std::map<unsigned, Expression const*>* m_matchGroups = nullptr;
-};
-
-/**
- * Template for a new expression that can be built from matched patterns.
- */
-struct ExpressionTemplate
-{
-	using Expression = ExpressionClasses::Expression;
-	using Id = ExpressionClasses::Id;
-	explicit ExpressionTemplate(Pattern const& _pattern, SourceLocation const& _location);
-	std::string toString() const;
-	bool hasId = false;
-	/// Id of the matched expression, if available.
-	Id id = Id(-1);
-	// Otherwise, assembly item.
-	AssemblyItem item = UndefinedItem;
-	std::vector<ExpressionTemplate> arguments;
-};
-
 }
 }