From 96812b9ea732cc7ae26efce4568c19aec0000abc Mon Sep 17 00:00:00 2001
From: Charlie Stanton <charlie@shtanton.xyz>
Date: Wed, 21 Sep 2022 19:37:02 +0100
Subject: Adds some new commands

---
 main/command.go | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

(limited to 'main/command.go')

diff --git a/main/command.go b/main/command.go
index bad5b1e..91cb5e4 100644
--- a/main/command.go
+++ b/main/command.go
@@ -47,10 +47,10 @@ func (cmd SequenceCommand) exec(state *ProgramState) {
 	}
 }
 
-type AppendCommand struct {
+type AppendLiteralCommand struct {
 	values []WalkValue
 }
-func (cmd AppendCommand) exec(state *ProgramState) {
+func (cmd AppendLiteralCommand) exec(state *ProgramState) {
 	for _, value := range cmd.values {
 		state.space = append(state.space, WalkItem {
 			path: nil,
@@ -59,10 +59,10 @@ func (cmd AppendCommand) exec(state *ProgramState) {
 	}
 }
 
-type PrependCommand struct {
+type PrependLiteralCommand struct {
 	values []WalkValue
 }
-func (cmd PrependCommand) exec(state *ProgramState) {
+func (cmd PrependLiteralCommand) exec(state *ProgramState) {
 	var newItems []WalkItem
 	for _, value := range cmd.values {
 		newItems = append(newItems, WalkItem {
@@ -73,6 +73,18 @@ func (cmd PrependCommand) exec(state *ProgramState) {
 	state.space = append(newItems, state.space...)
 }
 
+type NextCommand struct {}
+func (cmd NextCommand) exec(state *ProgramState) {
+	nextItem := <- state.in
+	state.space = []WalkItem{nextItem}
+}
+
+type AppendNextCommand struct {}
+func (cmd AppendNextCommand) exec(state *ProgramState) {
+	nextItem := <- state.in
+	state.space = append(state.space, nextItem)
+}
+
 type PrintLiteralsCommand struct {
 	items []WalkItem
 }
-- 
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