private Bound_Expression_Node Bind_Assignment_Expression(Assignment_Expression_Syntax_Node expression_syntax)
{
var name = expression_syntax.Identifier_Token.Text;
var bound_expression = Bind_Expression(expression_syntax.Expression);
return(new Bound_Assignment_Expression_Node(name, bound_expression));
}
private Bound_Expression_Node Bind_Assignment_Expression(Assignment_Expression_Syntax_Node expression_syntax)
{
var name = expression_syntax.Identifier_Token.Text;
var bound_expression = Bind_Expression(expression_syntax.Expression);
var default_value =
bound_expression.Type == typeof(int)
? (object)0
: bound_expression.Type == typeof(bool)
? (object)false
: null;
return(new Bound_Assignment_Expression_Node(name, bound_expression));
}
private Bound_Expression_Node Bind_Assignment_Expression(Assignment_Expression_Syntax_Node expression_syntax)
{
var name = expression_syntax.Identifier_Token.Text;
var bound_expression = Bind_Expression(expression_syntax.Expression);
var existing_variable = _variables.Keys.FirstOrDefault(v => v.Name == name);
if (existing_variable != null)
{
_variables.Remove(existing_variable);
}
var variable = new Variable_Symbol(name, bound_expression.Type);
_variables[variable] = null;
return(new Bound_Assignment_Expression_Node(variable, bound_expression));
}
private Bound_Expression_Node Bind_Assignment_Expression(Assignment_Expression_Syntax_Node expression_syntax)
{
var name = expression_syntax.Identifier_Token.Text;
var bound_expression = Bind_Expression(expression_syntax.Expression);
var default_value =
bound_expression.Type == typeof(int)
? (object)0
: bound_expression.Type == typeof(bool)
? (object)false
: null;
if (default_value == null)
{
throw new Exception($"Unsupported variable type: {bound_expression.Type}");
}
_variables[name] = default_value;
return(new Bound_Assignment_Expression_Node(name, bound_expression));
}
private Bound_Expression_Node Bind_Assignment_Expression(Assignment_Expression_Syntax_Node expression_syntax)
{
}
