public FunctionDefinition GenerateGetter(VariableDeclaration varDecl)
{
FunctionDefinition fnDef = new FunctionDefinition();
Block body = new Block();
body.Scope = 0;
body.Statements = new List <Statement>();
ParameterList fnParams = new ParameterList();
fnParams.Parameters = new List <VariableDeclaration>();
ParameterList rets = new ParameterList();
rets.Parameters = new List <VariableDeclaration>();
fnDef.Visibility = EnumVisibility.PUBLIC;
fnDef.Implemented = true;
fnDef.Name = varDecl.Name;
fnDef.StateMutability = EnumStateMutability.VIEW;
fnDef.Body = body;
fnDef.Parameters = fnParams;
fnDef.ReturnParameters = rets;
fnDef.Modifiers = new List <ModifierInvocation>();
TypeName curType = varDecl.TypeName;
Identifier ident = new Identifier();
ident.Name = varDecl.Name;
ident.ReferencedDeclaration = varDecl.Id;
ident.OverloadedDeclarations = new List <int>();
ident.TypeDescriptions = varDecl.TypeDescriptions;
int id = context.IdToNodeMap.Keys.Max() + 1;
Expression curExpr = ident;
List <int> localIds = new List <int>();
while (curType is Mapping || curType is ArrayTypeName)
{
VariableDeclaration paramDecl = new VariableDeclaration();
paramDecl.Name = "arg" + id;
paramDecl.Visibility = EnumVisibility.DEFAULT;
paramDecl.StorageLocation = EnumLocation.DEFAULT;
paramDecl.Id = id;
context.IdToNodeMap.Add(id, paramDecl);
fnParams.Parameters.Add(paramDecl);
if (curType is Mapping map)
{
paramDecl.TypeName = map.KeyType;
paramDecl.TypeDescriptions = map.KeyType.TypeDescriptions;
curType = map.ValueType;
}
else if (curType is ArrayTypeName arr)
{
TypeDescription intDescription = new TypeDescription();
intDescription.TypeString = "uint256";
ElementaryTypeName intTypeName = new ElementaryTypeName();
intTypeName.TypeDescriptions = intDescription;
paramDecl.TypeName = intTypeName;
paramDecl.TypeDescriptions = intDescription;
curType = arr.BaseType;
}
Identifier paramIdent = new Identifier();
paramIdent.Name = paramDecl.Name;
paramIdent.OverloadedDeclarations = new List <int>();
paramIdent.TypeDescriptions = paramDecl.TypeDescriptions;
paramIdent.ReferencedDeclaration = paramDecl.Id;
IndexAccess access = new IndexAccess();
access.BaseExpression = curExpr;
access.IndexExpression = paramIdent;
access.TypeDescriptions = TransUtils.TypeNameToTypeDescription(curType);
curExpr = access;
id++;
}
VariableDeclaration retVar = new VariableDeclaration();
retVar = new VariableDeclaration();
retVar.Name = null;
retVar.TypeDescriptions = TransUtils.TypeNameToTypeDescription(curType);
retVar.TypeName = curType;
rets.Parameters.Add(retVar);
Return ret = new Return();
ret.Expression = curExpr;
context.ASTNodeToSourcePathMap[ret] = context.ASTNodeToSourcePathMap[varDecl];
context.ASTNodeToSourceLineNumberMap[ret] = context.ASTNodeToSourceLineNumberMap[varDecl];
context.ASTNodeToSourcePathMap[body] = context.ASTNodeToSourcePathMap[varDecl];
context.ASTNodeToSourceLineNumberMap[body] = context.ASTNodeToSourceLineNumberMap[varDecl];
body.Statements.Add(ret);
return(fnDef);
}