From 307e42a6c30148dde6d3be474b1960282f4e48b2 Mon Sep 17 00:00:00 2001
From: Lefteris Karapetsas <lefteris@refu.co>
Date: Tue, 17 Feb 2015 16:19:11 +0100
Subject: [PATCH] getMemberTypes() respects source order

---
 libsolidity/Types.cpp | 32 ++++++++++++++++----------------
 libsolidity/Types.h   |  8 +++++---
 2 files changed, 21 insertions(+), 19 deletions(-)

diff --git a/libsolidity/Types.cpp b/libsolidity/Types.cpp
index d2f0e9bfd..a9c480176 100644
--- a/libsolidity/Types.cpp
+++ b/libsolidity/Types.cpp
@@ -573,19 +573,19 @@ MemberList const& ContractType::getMembers() const
 	if (!m_members)
 	{
 		// All address members and all interface functions
-		map<string, TypePointer> members(IntegerType::AddressMemberList.begin(),
-										 IntegerType::AddressMemberList.end());
+		vector<pair<string, TypePointer>> members(IntegerType::AddressMemberList.begin(),
+												  IntegerType::AddressMemberList.end());
 		if (m_super)
 		{
 			for (ContractDefinition const* base: m_contract.getLinearizedBaseContracts())
 				for (ASTPointer<FunctionDefinition> const& function: base->getDefinedFunctions())
-					if (!function->isConstructor() && !function->getName().empty() &&
+					if (!function->isConstructor() && !function->getName().empty()&&
 							function->isVisibleInDerivedContracts())
-						members.insert(make_pair(function->getName(), make_shared<FunctionType>(*function, true)));
+						members.push_back(make_pair(function->getName(), make_shared<FunctionType>(*function, true)));
 		}
 		else
 			for (auto const& it: m_contract.getInterfaceFunctions())
-				members[it.second->getDeclaration().getName()] = it.second;
+				members.push_back(make_pair(it.second->getDeclaration().getName(), it.second));
 		m_members.reset(new MemberList(members));
 	}
 	return *m_members;
@@ -653,9 +653,9 @@ MemberList const& StructType::getMembers() const
 	// We need to lazy-initialize it because of recursive references.
 	if (!m_members)
 	{
-		map<string, TypePointer> members;
+		vector<pair<string, TypePointer>> members;
 		for (ASTPointer<VariableDeclaration> const& variable: m_struct.getMembers())
-			members[variable->getName()] = variable->getType();
+			members.push_back(make_pair(variable->getName(), variable->getType()));
 		m_members.reset(new MemberList(members));
 	}
 	return *m_members;
@@ -857,15 +857,15 @@ MemberList const& FunctionType::getMembers() const
 	case Location::Bare:
 		if (!m_members)
 		{
-			map<string, TypePointer> members{
-				{"gas", make_shared<FunctionType>(parseElementaryTypeVector({"uint"}),
-												  TypePointers{copyAndSetGasOrValue(true, false)},
-												  Location::SetGas, false, m_gasSet, m_valueSet)},
+			vector<pair<string, TypePointer>> members{
 				{"value", make_shared<FunctionType>(parseElementaryTypeVector({"uint"}),
 													TypePointers{copyAndSetGasOrValue(false, true)},
 													Location::SetValue, false, m_gasSet, m_valueSet)}};
-			if (m_location == Location::Creation)
-				members.erase("gas");
+			if (m_location != Location::Creation)
+				members.push_back(make_pair("gas", make_shared<FunctionType>(
+												parseElementaryTypeVector({"uint"}),
+												TypePointers{copyAndSetGasOrValue(true, false)},
+												Location::SetGas, false, m_gasSet, m_valueSet)));
 			m_members.reset(new MemberList(members));
 		}
 		return *m_members;
@@ -959,7 +959,7 @@ MemberList const& TypeType::getMembers() const
 	// We need to lazy-initialize it because of recursive references.
 	if (!m_members)
 	{
-		map<string, TypePointer> members;
+		vector<pair<string, TypePointer>> members;
 		if (m_actualType->getCategory() == Category::Contract && m_currentContract != nullptr)
 		{
 			ContractDefinition const& contract = dynamic_cast<ContractType const&>(*m_actualType).getContractDefinition();
@@ -969,14 +969,14 @@ MemberList const& TypeType::getMembers() const
 				// functions. Note that this does not add inherited functions on purpose.
 				for (ASTPointer<FunctionDefinition> const& f: contract.getDefinedFunctions())
 					if (!f->isConstructor() && !f->getName().empty() && f->isVisibleInDerivedContracts())
-						members[f->getName()] = make_shared<FunctionType>(*f);
+						members.push_back(make_pair(f->getName(), make_shared<FunctionType>(*f)));
 		}
 		else if (m_actualType->getCategory() == Category::Enum)
 		{
 			EnumDefinition const& enumDef = dynamic_cast<EnumType const&>(*m_actualType).getEnumDefinition();
 			auto enumType = make_shared<EnumType>(enumDef);
 			for (ASTPointer<EnumValue> const& enumValue: enumDef.getMembers())
-				members.insert(make_pair(enumValue->getName(), enumType));
+				members.push_back(make_pair(enumValue->getName(), enumType));
 		}
 		m_members.reset(new MemberList(members));
 	}
diff --git a/libsolidity/Types.h b/libsolidity/Types.h
index b66857f0c..d529d8d08 100644
--- a/libsolidity/Types.h
+++ b/libsolidity/Types.h
@@ -50,14 +50,16 @@ using TypePointers = std::vector<TypePointer>;
 class MemberList
 {
 public:
-	using MemberMap = std::map<std::string, TypePointer>;
+	using MemberMap = std::vector<std::pair<std::string, TypePointer>>;
 
 	MemberList() {}
 	explicit MemberList(MemberMap const& _members): m_memberTypes(_members) {}
 	TypePointer getMemberType(std::string const& _name) const
 	{
-		auto it = m_memberTypes.find(_name);
-		return it != m_memberTypes.end() ? it->second : TypePointer();
+		for (auto const& it: m_memberTypes)
+			if (it.first == _name)
+				return it.second;
+		return TypePointer();
 	}
 
 	MemberMap::const_iterator begin() const { return m_memberTypes.begin(); }