feat: cv2

src/lib/chord-editor/chords.grammar

@@ -3,24 +3,41 @@
 ExplicitAction { ExplicitDelimStart (HexNumber | ActionId) ExplicitDelimEnd }
 EscapedSingleAction { Escape EscapedLetter }
 Action { SingleLetter | ExplicitAction | EscapedSingleAction }
-ActionString { Action* }
-ChordInput { (ActionString CompoundDelim)* ActionString }
+
+ActionString { Action+ }
+
+CompoundLiteral { CompoundDelim HexNumber CompoundDelim }
+CompoundInput { ActionString CompoundDelim }
+
+ChordInput { CompoundLiteral? CompoundInput* ActionString }
 ChordPhrase { ActionString }
+
 Chord { ChordInput PhraseDelim ChordPhrase ChordDelim }
 
+@skip {
+  Space
+}
+
 @tokens {
-  @precedence {HexNumber}
-  @precedence {CompoundDelim, PhraseDelim, ExplicitDelimStart, ChordDelim, SingleLetter}
-  @precedence {EscapedLetter}
+  @precedence { HexNumber, ActionId }
+  @precedence { Space, Escape }
+  @precedence { Space, SingleLetter }
+  @precedence { Escape, SingleLetter }
+  @precedence { CompoundDelim, SingleLetter }
+  @precedence { ActionId, Space }
+  @precedence { EscapedLetter, Space }
+
+  Space {" "}
   ExplicitDelimStart {"<"}
   ExplicitDelimEnd {">"}
   CompoundDelim {"|"}
   PhraseDelim {"=>"}
   Escape { "\\" }
   HexNumber { "0x" $[a-fA-F0-9]+ }
-  ActionId { $[a-zA-Z_]$[a-zA-Z0-9_]* }
-  SingleLetter { ![\\] }
-  EscapedLetter { ![] }
-  ChordDelim { ($[\n] | @eof) }
+  ActionId { ![\n>]+ }
+  SingleLetter { ![\n<] }
+  EscapedLetter { ![\n] }
+  ChordDelim { ("\n" | @eof) }
 }
 
+@detectDelim