private VariableDeclaration ParseVariableDeclaration()
{
VariableDeclaration variableDeclaration = null;
if (_currentToken.TheTokenType.Equals(Token.TokenType.VARIABLE_TYPE))
{
var variableType = new VariableType(Accept(Token.TokenType.VARIABLE_TYPE));
var variableName = new UserCreatableID(Accept(Token.TokenType.USER_CREATABLE_ID));
Expression1 expression = null;
if (_currentToken.TheTokenType.Equals(Token.TokenType.ASSIGNMENT))
{
Accept(Token.TokenType.ASSIGNMENT);
expression = ParseExpression1();
}
variableDeclaration = new VariableDeclarationSimple(variableType, variableName, expression);
}
else if (Token.TokenType.COOK == _currentToken.TheTokenType)
{
variableDeclaration =
new VariableDeclarationStructVariableDeclaration(ParseStructVariableDeclaration());
}
Accept(Token.TokenType.SEMICOLON);
return(variableDeclaration);
}
public object VisitVariableDeclarationStructVariableDeclaration(VariableDeclarationStructVariableDeclaration variableDeclarationStructVariableDeclaration, object o)
{
variableDeclarationStructVariableDeclaration.StructVariableDeclaration.Visit(this);
foreach (VariableDeclaration variableDeclaration in variableDeclarationStructVariableDeclaration.VariableDeclarations)
{
variableDeclaration.Visit(this);
}
return(null);
}
public object VisitVariableDeclarationStructVariableDeclaration(VariableDeclarationStructVariableDeclaration variableDeclarationStructVariableDeclaration, object o)
{
variableDeclarationStructVariableDeclaration.StructVariableDeclaration.Visit(this);
idTable.Add(variableDeclarationStructVariableDeclaration.StructVariableDeclaration.VariableName, variableDeclarationStructVariableDeclaration, IDTable.DeclarationType.VARIABLE);
Struct @struct = ((DeclarationStruct)idTable.Lookup(variableDeclarationStructVariableDeclaration.StructVariableDeclaration.StructName, IDTable.DeclarationType.STRUCT)).Struct;
variableDeclarationStructVariableDeclaration.VariableDeclarations = @struct.VariableDeclarationList.VariableDeclarations.Select <VariableDeclaration, VariableDeclaration>(variableDeclaration =>
{
if (variableDeclaration is VariableDeclarationSimple variableDeclarationSimple)
{
return(new VariableDeclarationSimple(variableDeclarationSimple.VariableType, variableDeclarationSimple.Name, variableDeclarationSimple.Expression)
{
Address = new Address(idTable.IsGlobalScope)
});
}
var variableDeclarationStruct = (VariableDeclarationStructVariableDeclaration)variableDeclaration;
var newStructVariableDeclaration = new VariableDeclarationStructVariableDeclaration(new StructVariableDeclaration(variableDeclarationStruct.StructVariableDeclaration.StructName, variableDeclarationStruct.StructVariableDeclaration.VariableName));
newStructVariableDeclaration.Visit(this);
return(newStructVariableDeclaration);
}).ToList();
return(null);
}