Store stred programs as a flat list of commands with no nesting, using a new jump command to simulate command blocks

1 files changed, 4 insertions, 2 deletions

diff --git a/main/main.go b/main/main.go
index 2067920..55ed5b5 100644
--- a/main/main.go
+++ b/main/main.go
@@ -13,6 +13,7 @@ type ProgramState struct {
 	in walk.JSONIn
 	out walk.JSONOut
 	program []Command
+	pc int
 }
 
 func main() {
@@ -55,8 +56,9 @@ func main() {
 		}
 		state.value = walkItem.Value
 		state.path = walkItem.Path
-		for _, cmd := range state.program {
-			cmd.exec(&state)
+		state.pc = 0
+		for state.pc < len(state.program) {
+			state.program[state.pc].exec(&state)
 		}
 		if !quiet {
 			pathValues, err := walk.Compound(state.path)