basic: cleanup using parser.NewError()

Signed-off-by: Alejandro Mery <amery@jpi.io>

basic/error.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 
 	"asciigoat.org/core/lexer"
+	"asciigoat.org/ini/parser"
 )
 
 var (
@@ -11,23 +12,11 @@ var (
 )
 
 func newErrInvalidToken(t *token) *lexer.Error {
-	err := &lexer.Error{
-		Line:    t.pos.Line,
-		Column:  t.pos.Column,
-		Content: t.value,
-		Err:     errInvalidToken,
-	}
-	return err
+	return parser.NewError(t.pos, t.value, "", errInvalidToken)
 }
 
 func (dec *decoder) OnError(pos lexer.Position, content string, err error) error {
-	err = &lexer.Error{
-		Line:    pos.Line,
-		Column:  pos.Column,
-		Content: content,
-		Err:     err,
-	}
-
+	err := parser.NewError(pos, content, "", err)
 	dec.executeFinal()
 	return err
 }