66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
/*
|
|
Serene --- Yet an other Lisp
|
|
|
|
Copyright (c) 2020 Sameer Rahmani <lxsameer@gnu.org>
|
|
|
|
This program 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 2 of the License.
|
|
|
|
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package core
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"serene-lang.org/bootstrap/pkg/ast"
|
|
)
|
|
|
|
// IPrintable is the interface which any value that wants to have a string
|
|
// representation has to implement. The `print` family functions will use
|
|
// this interface to convert forms to string
|
|
type IPrintable interface {
|
|
fmt.Stringer
|
|
}
|
|
|
|
// IDebuggable is the interface designed for converting forms to a string
|
|
// form which are meant to be used as debug data
|
|
type IDebuggable interface {
|
|
ToDebugStr() string
|
|
}
|
|
|
|
// IExpr is the most important interface in Serene which basically represents
|
|
// a VALUE in Serene. All the forms (beside special formss) has to implement
|
|
// this interface.
|
|
type IExpr interface {
|
|
ast.ILocatable
|
|
ast.ITypable
|
|
IPrintable
|
|
IDebuggable
|
|
}
|
|
|
|
// Node struct is simply representing a Node in the AST which provides the
|
|
// functionalities required to trace the code based on the location.
|
|
type Node struct {
|
|
location ast.Location
|
|
}
|
|
|
|
// GetLocation returns the location of the Node in the source input
|
|
func (n Node) GetLocation() ast.Location {
|
|
return n.location
|
|
}
|
|
|
|
func MakeNode(input *[]string, start int, end int) Node {
|
|
return Node{
|
|
location: ast.MakeLocation(input, start, end),
|
|
}
|
|
}
|