tmp

libsolidity/CMakeLists.txt

@@ -50,6 +50,8 @@ set(sources
 	analysis/experimental/Analysis.h
 	analysis/experimental/TypeInference.cpp
 	analysis/experimental/TypeInference.h
+	analysis/experimental/TypeRegistration.cpp
+	analysis/experimental/TypeRegistration.h
 	analysis/experimental/SyntaxRestrictor.cpp
 	analysis/experimental/SyntaxRestrictor.h
 	ast/AST.cpp

libsolidity/analysis/experimental/Analysis.cpp

@@ -19,26 +19,87 @@
 
 #include <libsolidity/analysis/experimental/SyntaxRestrictor.h>
 #include <libsolidity/analysis/experimental/TypeInference.h>
+#include <libsolidity/analysis/experimental/TypeRegistration.h>
 
 using namespace std;
 using namespace solidity::langutil;
 using namespace solidity::frontend::experimental;
 
+// TODO: creating all of them for all nodes up front may be wasteful, we should improve the mechanism.
+struct Analysis::AnnotationContainer
+{
+	TypeRegistration::Annotation typeRegistrationAnnotation;
+	TypeInference::Annotation typeInferenceAnnotation;
+};
+
+template<>
+TypeRegistration::Annotation& solidity::frontend::experimental::detail::AnnotationFetcher<TypeRegistration>::get(ASTNode const& _node)
+{
+	return analysis.annotationContainer(_node).typeRegistrationAnnotation;
+}
+
+template<>
+TypeInference::Annotation& solidity::frontend::experimental::detail::AnnotationFetcher<TypeInference>::get(ASTNode const& _node)
+{
+	return analysis.annotationContainer(_node).typeInferenceAnnotation;
+}
+
+Analysis::AnnotationContainer& Analysis::annotationContainer(ASTNode const& _node)
+{
+	solAssert(_node.id() > 0);
+	size_t id = static_cast<size_t>(_node.id());
+	solAssert(id < m_maxAstId);
+	return m_annotations[id];
+}
+
 Analysis::Analysis(langutil::ErrorReporter& _errorReporter, uint64_t _maxAstId):
 	m_errorReporter(_errorReporter),
-	m_maxAstId(_maxAstId)
+	m_maxAstId(_maxAstId),
+	m_annotations(std::make_unique<AnnotationContainer[]>(static_cast<size_t>(_maxAstId)))
 {
 }
 
+Analysis::~Analysis()
+{}
+
+template<size_t... Is>
+std::tuple<std::integral_constant<size_t, Is>...> makeIndexTuple(std::index_sequence<Is...>) {
+	return std::make_tuple( std::integral_constant<size_t, Is>{}...);
+}
+
 bool Analysis::check(vector<shared_ptr<SourceUnit const>> const& _sourceUnits)
 {
-	SyntaxRestrictor syntaxRestrictor{m_errorReporter};
+	using AnalysisSteps = std::tuple<SyntaxRestrictor, TypeRegistration, TypeInference>;
-	for (auto source: _sourceUnits)
+
-		if (!syntaxRestrictor.check(*source))
+	return std::apply([&](auto... _indexTuple) {
-			return false;
+		return ([&](auto&& _step) {
-	TypeInference typeInference{*this};
+			for (auto source: _sourceUnits)
-	for (auto source: _sourceUnits)
+				if (!_step.analyze(*source))
-		if (!typeInference.analyze(*source))
+				  return false;
-			return false;
+			return true;
+		}(std::tuple_element_t<decltype(_indexTuple)::value, AnalysisSteps>{*this}) && ...);
+	}, makeIndexTuple(std::make_index_sequence<std::tuple_size_v<AnalysisSteps>>{}));
+
+/*
+ 	{
+		SyntaxRestrictor syntaxRestrictor{*this};
+		for (auto source: _sourceUnits)
+			if (!syntaxRestrictor.analyze(*source))
+				return false;
+	}
+
+ 	{
+		TypeRegistration typeRegistration{*this};
+		for (auto source: _sourceUnits)
+			if (!typeRegistration.analyze(*source))
+				return false;
+	}
+	{
+		TypeInference typeInference{*this};
+		for (auto source: _sourceUnits)
+			if (!typeInference.analyze(*source))
+				return false;
+	}
 	return true;
+ */
 }

libsolidity/analysis/experimental/Analysis.h

@@ -17,6 +17,8 @@
 // SPDX-License-Identifier: GPL-3.0
 #pragma once
 
+#include <libsolidity/ast/experimental/TypeSystem.h>
+
 #include <cstdint>
 #include <memory>
 #include <vector>
@@ -24,6 +26,7 @@
 namespace solidity::frontend
 {
 class SourceUnit;
+class ASTNode;
 }
 
 namespace solidity::langutil
@@ -33,19 +36,43 @@ class ErrorReporter;
 
 namespace solidity::frontend::experimental
 {
+class TypeSystem;
+
+class Analysis;
+
+namespace detail
+{
+template<typename Step>
+struct AnnotationFetcher
+{
+	Analysis& analysis;
+	typename Step::Annotation& get(ASTNode const& _node);
+};
+}
 
 class Analysis
 {
+	struct AnnotationContainer;
 public:
 	Analysis(langutil::ErrorReporter& _errorReporter, uint64_t _maxAstId);
 	Analysis(Analysis const&) = delete;
+	~Analysis();
 	Analysis const& operator=(Analysis const&) = delete;
 	bool check(std::vector<std::shared_ptr<SourceUnit const>> const& _sourceUnits);
 	langutil::ErrorReporter& errorReporter() { return m_errorReporter; }
 	uint64_t maxAstId() const { return m_maxAstId; }
+	TypeSystem& typeSystem() { return m_typeSystem; }
+	template<typename Step>
+	typename Step::Annotation& annotation(ASTNode const& _node)
+	{
+		return detail::AnnotationFetcher<Step>{*this}.get(_node);
+	}
+	AnnotationContainer& annotationContainer(ASTNode const& _node);
 private:
 	langutil::ErrorReporter& m_errorReporter;
+	TypeSystem m_typeSystem;
 	uint64_t m_maxAstId = 0;
+	std::unique_ptr<AnnotationContainer[]> m_annotations;
 };
 
 }

libsolidity/analysis/experimental/SyntaxRestrictor.cpp

@@ -18,13 +18,18 @@
 
 #include <libsolidity/analysis/experimental/SyntaxRestrictor.h>
 
+#include <libsolidity/analysis/experimental/Analysis.h>
+
 #include <liblangutil/Exceptions.h>
 
 using namespace solidity::frontend;
 using namespace solidity::frontend::experimental;
 using namespace solidity::langutil;
 
-bool SyntaxRestrictor::check(ASTNode const& _astRoot)
+SyntaxRestrictor::SyntaxRestrictor(Analysis& _analysis): m_errorReporter(_analysis.errorReporter())
+{}
+
+bool SyntaxRestrictor::analyze(ASTNode const& _astRoot)
 {
 	_astRoot.accept(*this);
 	return !Error::containsErrors(m_errorReporter.errors());

libsolidity/analysis/experimental/SyntaxRestrictor.h

@@ -24,14 +24,14 @@
 
 namespace solidity::frontend::experimental
 {
+class Analysis;
 
 class SyntaxRestrictor: public ASTConstVisitor
 {
 public:
-	/// @param _errorReporter provides the error logging functionality.
+	SyntaxRestrictor(Analysis& _analysis);
-	explicit SyntaxRestrictor(langutil::ErrorReporter& _errorReporter): m_errorReporter(_errorReporter) {}
 
-	bool check(ASTNode const& _astRoot);
+	bool analyze(ASTNode const& _astRoot);
 
 private:
 	/// Default visit will reject all AST nodes that are not explicitly allowed.

libsolidity/analysis/experimental/TypeInference.cpp

@@ -34,22 +34,12 @@ using namespace solidity::langutil;
 
 TypeInference::TypeInference(Analysis& _analysis):
 m_analysis(_analysis),
-m_errorReporter(_analysis.errorReporter())
+m_errorReporter(_analysis.errorReporter()),
+m_typeSystem(_analysis.typeSystem())
 {
-	for (auto [type, name, arity]: std::initializer_list<std::tuple<BuiltinType, const char*, uint64_t>> {
-			 {BuiltinType::Void, "void", 0},
-			 {BuiltinType::Function, "fun", 2},
-			 {BuiltinType::Unit, "unit", 0},
-			 {BuiltinType::Pair, "pair", 2},
-			 {BuiltinType::Word, "word", 0},
-			 {BuiltinType::Integer, "integer", 0}
-	})
-		m_typeSystem.declareBuiltinType(type, name, arity);
 	m_voidType = m_typeSystem.builtinType(BuiltinType::Void, {});
 	m_wordType = m_typeSystem.builtinType(BuiltinType::Word, {});
 	m_integerType = m_typeSystem.builtinType(BuiltinType::Integer, {});
-
-	m_typeAnnotations.resize(_analysis.maxAstId());
 }
 
 bool TypeInference::analyze(SourceUnit const& _sourceUnit)
@@ -72,7 +62,7 @@ bool TypeInference::visit(FunctionDefinition const& _functionDefinition)
 	auto typeFromParameterList = [&](ParameterList const* _list) {
 		if (!_list)
 			return m_typeSystem.builtinType(BuiltinType::Unit, {});
-		return TypeSystemHelpers{m_typeSystem}.tupleType(_list->parameters() | ranges::view::transform([&](auto _param) {
+		return TypeSystemHelpers{m_typeSystem}.tupleType(_list->parameters() | ranges::views::transform([&](auto _param) {
 			auto& argAnnotation = annotation(*_param);
 			solAssert(argAnnotation.type);
 			return *argAnnotation.type;
@@ -173,7 +163,6 @@ experimental::Type TypeInference::fromTypeName(TypeName const& _typeName)
 	else
 		m_errorReporter.typeError(0000_error, _typeName.location(), "Unsupported type name.");
 	return m_typeSystem.freshTypeVariable(false);
-
 }
 void TypeInference::unify(Type _a, Type _b)
 {
@@ -256,12 +245,9 @@ void TypeInference::endVisit(Assignment const& _assignment)
 	assignmentAnnotation.type = m_typeSystem.resolve(*lhsAnnotation.type);
 }
 
-TypeInference::TypeAnnotation& TypeInference::annotation(ASTNode const& _node)
+TypeInference::Annotation& TypeInference::annotation(ASTNode const& _node)
 {
-	auto& annotation = m_typeAnnotations.at(static_cast<size_t>(_node.id()));
+	return m_analysis.annotation<TypeInference>(_node);
-	if (!annotation)
-		annotation = make_unique<TypeAnnotation>();
-	return *annotation;
 }
 
 bool TypeInference::visit(Identifier const& _identifier)

libsolidity/analysis/experimental/TypeInference.h

@@ -22,8 +22,6 @@
 
 #include <liblangutil/ErrorReporter.h>
 
-#include <range/v3/span.hpp>
-
 namespace solidity::frontend::experimental
 {
 
@@ -35,6 +33,12 @@ public:
 	TypeInference(Analysis& _analysis);
 
 	bool analyze(SourceUnit const& _sourceUnit);
+
+
+	struct Annotation
+	{
+		std::optional<Type> type;
+	};
 private:
 	bool visit(Block const&) override { return true; }
 	bool visit(VariableDeclarationStatement const&) override { return true; }
@@ -67,22 +71,15 @@ private:
 	Type fromTypeName(TypeName const& _typeName);
 	Analysis& m_analysis;
 	langutil::ErrorReporter& m_errorReporter;
-	TypeSystem m_typeSystem;
+	TypeSystem& m_typeSystem;
 	Type m_voidType;
 	Type m_wordType;
 	Type m_integerType;
 	std::optional<Type> m_currentFunctionType;
 
-	struct TypeAnnotation
+	Annotation& annotation(ASTNode const& _node);
-	{
-		std::optional<Type> type;
-	};
-
-	TypeAnnotation& annotation(ASTNode const& _node);
 
 	void unify(Type _a, Type _b);
-
-	std::vector<std::unique_ptr<TypeAnnotation>> m_typeAnnotations;
 };
 
 }

libsolidity/analysis/experimental/TypeRegistration.cpp

@@ -0,0 +1,102 @@
+/*
+	This file is part of solidity.
+
+	solidity is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	solidity is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with solidity.  If not, see <http://www.gnu.org/licenses/>.
+*/
+// SPDX-License-Identifier: GPL-3.0
+
+
+#include <libsolidity/analysis/experimental/TypeRegistration.h>
+#include <libsolidity/analysis/experimental/Analysis.h>
+#include <liblangutil/Exceptions.h>
+
+#include <libyul/AsmAnalysis.h>
+#include <libyul/AsmAnalysisInfo.h>
+#include <libyul/AST.h>
+
+using namespace std;
+using namespace solidity::frontend;
+using namespace solidity::frontend::experimental;
+using namespace solidity::langutil;
+
+TypeRegistration::TypeRegistration(Analysis& _analysis):
+m_analysis(_analysis),
+m_errorReporter(_analysis.errorReporter()),
+m_typeSystem(_analysis.typeSystem())
+{
+	for (auto [type, name, arity]: std::initializer_list<std::tuple<BuiltinType, const char*, uint64_t>> {
+		{BuiltinType::Void, "void", 0},
+		{BuiltinType::Function, "fun", 2},
+		{BuiltinType::Unit, "unit", 0},
+		{BuiltinType::Pair, "pair", 2},
+		{BuiltinType::Word, "word", 0},
+		{BuiltinType::Integer, "integer", 0}
+	})
+		m_typeSystem.declareBuiltinType(type, name, arity);
+}
+
+bool TypeRegistration::analyze(SourceUnit const& _sourceUnit)
+{
+	_sourceUnit.accept(*this);
+	return !m_errorReporter.hasErrors();
+}
+
+bool TypeRegistration::visit(TypeClassDefinition const& _typeClassDefinition)
+{
+	if (!m_visitedClasses.insert(_typeClassDefinition.id()).second)
+		return false;
+
+	return false;
+}
+bool TypeRegistration::visit(TypeClassInstantiation const& _typeClassInstantiation)
+{
+	auto const* classDefintion = dynamic_cast<TypeClassDefinition const*>(_typeClassInstantiation.sort().annotation().referencedDeclaration);
+	if (!classDefintion)
+		m_errorReporter.fatalTypeError(0000_error, _typeClassInstantiation.sort().location(), "Expected a type class.");
+	classDefintion->accept(*this);
+
+//	TypeClass typeClass{classDefintion};
+
+	auto fromTypeName = [&](TypeName const& _typeName) -> Type {
+		if (auto const* elementaryTypeName = dynamic_cast<ElementaryTypeName const*>(&_typeName))
+		{
+			switch(elementaryTypeName->typeName().token())
+			{
+			case Token::Word:
+				return m_typeSystem.builtinType(BuiltinType::Word, {});
+			case Token::Void:
+				return m_typeSystem.builtinType(BuiltinType::Void, {});
+			case Token::Integer:
+				return m_typeSystem.builtinType(BuiltinType::Integer, {});
+			default:
+				m_errorReporter.typeError(0000_error, _typeName.location(), "Only elementary types are supported.");
+				break;
+			}
+		}
+		else
+			m_errorReporter.typeError(0000_error, _typeName.location(), "Unsupported type name.");
+		return m_typeSystem.freshTypeVariable(false);
+	};
+	auto type = fromTypeName(_typeClassInstantiation.typeConstructor());
+	_typeClassInstantiation.argumentSorts();
+
+//	m_typeSystem.instantiateClass();
+
+	return false;
+}
+
+TypeRegistration::Annotation& TypeRegistration::annotation(ASTNode const& _node)
+{
+	return m_analysis.annotation<TypeRegistration>(_node);
+}

libsolidity/analysis/experimental/TypeRegistration.h

@@ -0,0 +1,51 @@
+/*
+	This file is part of solidity.
+
+	solidity is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	solidity is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with solidity.  If not, see <http://www.gnu.org/licenses/>.
+*/
+// SPDX-License-Identifier: GPL-3.0
+#pragma once
+
+#include <libsolidity/ast/ASTVisitor.h>
+#include <libsolidity/ast/experimental/TypeSystem.h>
+
+#include <liblangutil/ErrorReporter.h>
+
+namespace solidity::frontend::experimental
+{
+
+class Analysis;
+
+class TypeRegistration: public ASTConstVisitor
+{
+public:
+	struct Annotation
+	{
+		Type type;
+	};
+	TypeRegistration(Analysis& _analysis);
+
+	bool analyze(SourceUnit const& _sourceUnit);
+private:
+	bool visit(TypeClassDefinition const& _typeClassDefinition) override;
+	bool visit(TypeClassInstantiation const& _typeClassInstantiation) override;
+	Annotation& annotation(ASTNode const& _node);
+
+	Analysis& m_analysis;
+	langutil::ErrorReporter& m_errorReporter;
+	TypeSystem& m_typeSystem;
+	std::set<int64_t> m_visitedClasses;
+};
+
+}

libsolidity/ast/experimental/TypeSystem.cpp

@@ -70,7 +70,7 @@ std::string TypeSystem::typeToString(Type const& _type) const
 					{
 						auto tupleTypes = TypeSystemHelpers{*this}.destTupleType(_type);
 						stream << "(";
-						for (auto type: tupleTypes | ranges::view::drop_last(1))
+						for (auto type: tupleTypes | ranges::views::drop_last(1))
 							stream << typeToString(type) << ", ";
 						stream << typeToString(tupleTypes.back()) << ")";
 						break;
@@ -136,16 +136,16 @@ experimental::Type TypeSystem::freshTypeVariable(bool _generic)
 void TypeSystem::instantiate(TypeVariable _variable, Type _type)
 {
 	validate(_variable);
-	solAssert(!m_typeVariables.at(_variable.index()).has_value());
+	solAssert(!m_typeVariables.at(static_cast<size_t>(_variable.index())).has_value());
 	solAssert(_variable.m_parent == this);
-	m_typeVariables[_variable.index()] = _type;
+	m_typeVariables[static_cast<size_t>(_variable.index())] = _type;
 }
 
 experimental::Type TypeSystem::resolve(Type _type) const
 {
 	Type result = _type;
 	while(auto const* var = std::get_if<TypeVariable>(&result))
-		if (auto value = m_typeVariables.at(var->index()))
+		if (auto value = m_typeVariables.at(static_cast<size_t>(var->index())))
 			result = *value;
 		else
 			break;
@@ -182,7 +182,7 @@ experimental::Type TypeSystem::fresh(Type _type, bool _generalize)
 			[&](TypeExpression const& _type) -> Type {
 				return TypeExpression{
 					_type.constructor,
-					_type.arguments | ranges::view::transform([&](Type _argType) {
+					_type.arguments | ranges::views::transform([&](Type _argType) {
 						return _recurse(_argType, _generalize, _recurse);
 					}) | ranges::to<vector<Type>>
 				};
@@ -203,6 +203,13 @@ experimental::Type TypeSystem::fresh(Type _type, bool _generalize)
 	return freshImpl(_type, _generalize, freshImpl);
 }
 
+void TypeSystem::instantiateClass(TypeExpression::Constructor _typeConstructor, vector<TypeClass> _argumentSorts, TypeClass _class)
+{
+	(void)_typeConstructor;
+	(void)_argumentSorts;
+	(void)_class;
+}
+
 experimental::Type TypeSystemHelpers::tupleType(vector<Type> _elements) const
 {
 	if (_elements.empty())
@@ -210,7 +217,7 @@ experimental::Type TypeSystemHelpers::tupleType(vector<Type> _elements) const
 	if (_elements.size() == 1)
 		return _elements.front();
 	Type result = _elements.back();
-	for (Type type: _elements | ranges::view::reverse | ranges::view::drop_exactly(1))
+	for (Type type: _elements | ranges::views::reverse | ranges::views::drop_exactly(1))
 		result = typeSystem.builtinType(BuiltinType::Pair, {type, result});
 	return result;
 }

libsolidity/ast/experimental/TypeSystem.h

@@ -55,7 +55,6 @@ struct TypeExpression
 	using Constructor = std::variant<BuiltinType, Declaration const*>;
 	Constructor constructor;
 	std::vector<Type> arguments;
-
 };
 
 struct TypeVariable
@@ -71,6 +70,21 @@ private:
 	TypeVariable(TypeSystem const& _parent, uint64_t _index, bool _generic): m_parent(&_parent), m_index(_index), m_generic(_generic) {}
 };
 
+struct TypeClass
+{
+	Declaration const* declaration = nullptr;
+};
+
+struct Sort
+{
+		
+};
+
+struct Arity
+{
+	std::vector<Arity> _argumentSorts;
+	TypeClass _class;
+};
 class TypeSystem
 {
 public:
@@ -90,6 +104,7 @@ public:
 	Type fresh(Type _type, bool _generalize);
 	struct UnificationFailure { Type a; Type b; };
 	[[nodiscard]] std::vector<UnificationFailure> unify(Type _a, Type _b);
+	void instantiateClass(TypeExpression::Constructor _typeConstructor, std::vector<TypeClass> _argumentSorts, TypeClass _class);
 private:
 	void instantiate(TypeVariable _variable, Type _type);
 	void validate(TypeVariable _variable) const;
@@ -101,6 +116,7 @@ private:
 	};
 	std::map<BuiltinType, TypeConstructorInfo> m_builtinTypes;
 	std::vector<std::optional<Type>> m_typeVariables;
+	std::map<TypeExpression::Constructor, Sort> m_sorts;
 };
 
 struct TypeSystemHelpers

libsolidity/codegen/experimental/IRGenerator.cpp

@@ -100,7 +100,7 @@ string IRGenerator::generate(FunctionDefinition const& _function)
 	std::stringstream code;
 	code << "function " << IRNames::function(_function) << "(";
 	if (_function.parameters().size() > 1)
-		for (auto const& arg: _function.parameters() | ranges::view::drop_last(1))
+		for (auto const& arg: _function.parameters() | ranges::views::drop_last(1))
 			code << IRNames::localVariable(*arg) << ", ";
 	if (!_function.parameters().empty())
 		code << IRNames::localVariable(*_function.parameters().back());
@@ -109,7 +109,7 @@ string IRGenerator::generate(FunctionDefinition const& _function)
 	{
 		code << " -> ";
 		if (_function.returnParameters().size() > 1)
-			for (auto const& arg: _function.returnParameters() | ranges::view::drop_last(1))
+			for (auto const& arg: _function.returnParameters() | ranges::views::drop_last(1))
 				code << IRNames::localVariable(*arg) << ", ";
 		if (!_function.returnParameters().empty())
 			code << IRNames::localVariable(*_function.returnParameters().back());

libsolidity/codegen/experimental/IRGenerator.h

@@ -46,14 +46,14 @@ public:
 		std::optional<uint8_t> _eofVersion,
 		RevertStrings /*_revertStrings*/,
 		std::map<std::string, unsigned> /*_sourceIndices*/,
-		langutil::DebugInfoSelection const& _debugInfoSelection,
+		langutil::DebugInfoSelection const& /*_debugInfoSelection*/,
-		langutil::CharStreamProvider const* _soliditySourceProvider,
+		langutil::CharStreamProvider const* /*_soliditySourceProvider*/,
 		Analysis const& _analysis
 	):
 		m_evmVersion(_evmVersion),
 		m_eofVersion(_eofVersion),
-		m_debugInfoSelection(_debugInfoSelection),
+//		m_debugInfoSelection(_debugInfoSelection),
-		m_soliditySourceProvider(_soliditySourceProvider),
+//		m_soliditySourceProvider(_soliditySourceProvider),
 		m_context{_analysis, {}, {}}
 	{}
 
@@ -69,8 +69,8 @@ private:
 	langutil::EVMVersion const m_evmVersion;
 	std::optional<uint8_t> const m_eofVersion;
 	OptimiserSettings const m_optimiserSettings;
-	langutil::DebugInfoSelection m_debugInfoSelection = {};
+//	langutil::DebugInfoSelection m_debugInfoSelection = {};
-	langutil::CharStreamProvider const* m_soliditySourceProvider = nullptr;
+//	langutil::CharStreamProvider const* m_soliditySourceProvider = nullptr;
 	IRGenerationContext m_context;
 };
 

libsolidity/codegen/experimental/IRGeneratorForStatements.cpp

@@ -145,7 +145,6 @@ void IRGeneratorForStatements::endVisit(Return const& _return)
 		m_code << IRNames::localVariable(*returnParameters.front()) << " := " << IRNames::localVariable(*value) << "\n";
 	}
 
-	_return.annotation().functionReturnParameters;
 	m_code << "leave\n";
 }
 
@@ -163,7 +162,7 @@ bool IRGeneratorForStatements::visit(FunctionCall const& _functionCall)
 	m_code << "let " << IRNames::localVariable(_functionCall) << " := " << IRNames::function(*functionDefinition) << "(";
 	auto const& arguments = _functionCall.arguments();
 	if (arguments.size() > 1)
-		for (auto arg: arguments | ranges::view::drop_last(1))
+		for (auto arg: arguments | ranges::views::drop_last(1))
 			m_code << IRNames::localVariable(*arg) << ", ";
 	if (!arguments.empty())
 		m_code << IRNames::localVariable(*arguments.back());