properly name note property lex tokens

ast/note.go

@@ -84,22 +84,22 @@ func (note *Note) IsPause() bool {
 
 // NumSharp returns the number of sharp signs.
 func (note *Note) NumSharp() int {
-	return note.countProps(tokentype.Sharp)
+	return note.countProps(tokentype.PropSharp)
 }
 
 // NumFlat reports the number of flat signs.
 func (note *Note) NumFlat() int {
-	return note.countProps(tokentype.Flat)
+	return note.countProps(tokentype.PropFlat)
 }
 
 // NumAccents reports the number of accent properties in the note.
 func (note *Note) NumAccents() int {
-	return note.countProps(tokentype.Accent)
+	return note.countProps(tokentype.PropAccent)
 }
 
 // NumGhosts reports the number of ghost properties in the note.
 func (note *Note) NumGhosts() int {
-	return note.countProps(tokentype.Ghost)
+	return note.countProps(tokentype.PropGhost)
 }
 
 // Value returns the note value (1th, 2th, 4th, 8th, 16th, 32th and so on).
@@ -118,12 +118,12 @@ func (note *Note) Value() uint8 {
 
 // NumDots reports the number of dot properties in the note.
 func (note *Note) NumDots() int {
-	return note.countProps(tokentype.Dot)
+	return note.countProps(tokentype.PropDot)
 }
 
 // Tuplet returns the irregular division value if the note is a tuplet.
 func (note *Note) Tuplet() int {
-	tok := note.Props.Find(tokentype.Tuplet)
+	tok := note.Props.Find(tokentype.PropTuplet)
 	if tok == nil {
 		return 0
 	}
@@ -137,7 +137,7 @@ func (note *Note) Tuplet() int {
 
 // IsLetRing reports whether the note must ring.
 func (note *Note) IsLetRing() bool {
-	return note.Props.Find(tokentype.LetRing) != nil
+	return note.Props.Find(tokentype.PropLetRing) != nil
 }
 
 func (note *Note) WriteTo(w io.Writer) (int64, error) {

ast/property_list.go

@@ -50,7 +50,7 @@ func NewPropertyList(t *token.Token, inner interface{}) (PropertyList, error) {
 		if err := validateNoteValue(v); err != nil {
 			return nil, err
 		}
-	case tokentype.Tuplet.Type:
+	case tokentype.PropTuplet.Type:
 		v, err := strconv.Atoi(string(t.Lit[1:]))
 		if err != nil {
 			return nil, err

balafon.bnf

@@ -27,14 +27,14 @@ cmdStop       : ':' 's' 't' 'o' 'p' ;
 bracketBegin : '[' ;
 bracketEnd   : ']' ;
 
-rest     : '-' ;
-sharp   : '#' ;
-flat    : '$' ;
-accent  : '^' ;
-ghost   : ')' ;
-dot     : '.' ;
-tuplet  : '/' '3' | '/' '5' ;
-letRing : '*' ;
+propRest    : '-' ;
+propSharp   : '#' ;
+propFlat    : '$' ;
+propAccent  : '^' ;
+propGhost   : ')' ;
+propDot     : '.' ;
+propTuplet  : '/' '3' | '/' '5' ;
+propLetRing : '*' ;
 
 _lineComment  : '/' '/' { . } '\n' ;
 _blockComment : '/' '*' { . | '*' } '*' '/' ;
@@ -97,7 +97,7 @@ NoteObject
 
 NoteSymbol
     : symbol
-    | rest
+    | propRest
     ;
 
 PropertyList
@@ -106,14 +106,14 @@ PropertyList
     ;
 
 Property
-    : sharp
-    | flat
-    | accent
-    | ghost
+    : propSharp
+    | propFlat
+    | propAccent
+    | propGhost
     | uint
-    | dot
-    | tuplet
-    | letRing
+    | propDot
+    | propTuplet
+    | propLetRing
     ;
 
 TopLevelCommand