serene-golang-implementation/bootstrap/pkg/core/printer.go

69 lines
1.7 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"
"strings"
)
func toRepresanbleString(ast ...IRepresentable) string {
var results []string
for _, x := range ast {
results = append(results, x.String())
}
return strings.Join(results, " ")
}
func toPrintableString(ast ...IRepresentable) string {
var results []string
for _, x := range ast {
if printable, ok := x.(IPrintable); ok {
results = append(results, printable.PrintToString())
continue
}
results = append(results, x.String())
}
return strings.Join(results, " ")
}
func Pr(rt *Runtime, ast ...IRepresentable) {
fmt.Print(toRepresanbleString(ast...))
}
func Prn(rt *Runtime, ast ...IRepresentable) {
fmt.Println(toRepresanbleString(ast...))
}
func Print(rt *Runtime, ast ...IRepresentable) {
fmt.Print(toPrintableString(ast...))
}
func Println(rt *Runtime, ast ...IRepresentable) {
fmt.Println(toPrintableString(ast...))
}
func PrintError(rt *Runtime, err IError) {
loc := err.GetLocation()
fmt.Printf("Error: %s\nAt: %d to %d\n", err.String(), loc.GetStart(), loc.GetEnd())
}