1 files changed, 34 insertions, 9 deletions

diff --git a/subex/subexstate.go b/subex/subexstate.go
index 7ffd592..0b21c93 100644
--- a/subex/subexstate.go
+++ b/subex/subexstate.go
@@ -121,29 +121,54 @@ func (state SubexStoreEndState) accepting(aux auxiliaryState) []OutputStack {
 
 // A part of an output literal, either an Atom or a slot from which to load
 type OutputContent interface {
-	// Given the current store, return the []Atom produced by the TransducerOutput
-	build(Store) walk.ValueList
+	// Given the current store, return the ValueList produced by the TransducerOutput
+	buildValues(Store) walk.ValueList
+	// Given the current store, return the RuneList produced by the TransducerOutput
+	buildRunes(Store) walk.RuneList
 }
 
-// An OutputContent which is just an Atom literal
-type OutputAtomLiteral struct {
-	atom walk.Value
+// An OutputContent which is just a Value literal
+type OutputValueLiteral struct {
+	value walk.Value
 }
-func (replacement OutputAtomLiteral) build(store Store) walk.ValueList {
-	return walk.ValueList{replacement.atom}
+func (replacement OutputValueLiteral) buildValues(store Store) walk.ValueList {
+	return walk.ValueList{replacement.value}
+}
+func (replacement OutputValueLiteral) buildRunes(store Store) walk.RuneList {
+	// TODO: serialise to JSON
+	panic("Unimplemented!")
+}
+
+// An OutputContent which is just a rune literal
+type OutputRuneLiteral struct {
+	rune walk.StringRuneAtom
+}
+func (replacement OutputRuneLiteral) buildValues(store Store) walk.ValueList {
+	// TODO: Try to deserialise
+	panic("Unimplemented!")
+}
+func (replacement OutputRuneLiteral) buildRunes(store Store) walk.RuneList {
+	return walk.RuneList {replacement.rune}
 }
 
 // An OutputContent which is a slot that is loaded from
 type OutputLoad struct {
 	slot int
 }
-func (replacement OutputLoad) build(store Store) walk.ValueList {
+func (replacement OutputLoad) buildValues(store Store) walk.ValueList {
 	values, isValues := store[replacement.slot].(walk.ValueList)
 	if !isValues {
 		panic("Tried to output non-values list")
 	}
 	return values
 }
+func (replacement OutputLoad) buildRunes(store Store) walk.RuneList {
+	runes, isRunes := store[replacement.slot].(walk.RuneList)
+	if !isRunes {
+		panic("Tried to output non-runes as runes")
+	}
+	return runes
+}
 
 // Don't read in anything, just output the series of data and slots specified
 type SubexOutputState struct {
@@ -155,7 +180,7 @@ type SubexOutputState struct {
 func (state SubexOutputState) build(store Store) walk.ValueList {
 	var result walk.ValueList
 	for _, part := range state.content {
-		result = append(result, part.build(store)...)
+		result = append(result, part.buildValues(store)...)
 	}
 	return result
 }