From: Scott Gasch <scott@gasch.org>
Date: Wed, 27 Apr 2022 00:57:07 +0000 (-0700)
Subject: Teach chord parser about Minor7
X-Git-Url: https://wannabe.guru.org/gitweb/?a=commitdiff_plain;h=facc01812f49cc05a615562fca7742208baa22d0;p=python_utils.git

Teach chord parser about Minor7
---

diff --git a/music/chords.g4 b/music/chords.g4
index 9083e75..1824617 100644
--- a/music/chords.g4
+++ b/music/chords.g4
@@ -17,7 +17,8 @@
 grammar chords;
 
 parse
-    : rootNote majMinSusPowerExpr* addNotesExpr* extensionExpr* overBassNoteExpr*
+    : rootNote majMinSusPowerExpr* addNotesExpr* overBassNoteExpr*
+    | rootNote majMinSusPowerExpr* addNotesExpr extensionExpr* overBassNoteExpr
     ;
 
 rootNote
@@ -53,6 +54,7 @@ addNotesExpr
     : ADD* SIX
     | ADD* SEVEN
     | MAJ_SEVEN
+    | MIN_SEVEN
     | ADD* NINE
     | ADD* ELEVEN
     ;
@@ -127,6 +129,8 @@ ELEVEN: '11';
 
 MAJ_SEVEN: MAJOR '7';
 
+MIN_SEVEN: MINOR '7';
+
 INTERVAL: (MAJOR|MINOR)* ('b'|'#')* DIGITS ;
 
 DIGITS: [1-9]+ ;
diff --git a/music/chords.py b/music/chords.py
index 838ad17..dc22205 100755
--- a/music/chords.py
+++ b/music/chords.py
@@ -399,6 +399,9 @@ class ChordParser(chordsListener):
             self.addedNotes.append('min7')
         if ctx.MAJ_SEVEN():
             self.addedNotes.append('maj7')
+        if ctx.MIN_SEVEN():
+            self.addedNotes.append('min7')
+            self.chordType = ChordParser.MINOR
         if ctx.NINE():
             self.addedNotes.append('maj9')
         if ctx.ELEVEN():