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#!/usr/bin/env python
import tree
from ply import lex, yacc
class Note():
def __init__(self, value, duration=.25, octave=8):
def __init__(self, value, duration=1, octave=8):
self.value = value
self.duration = duration
self.octave = octave
self.accidental = None
def __repr__(self):
return "Note %s %s %s" % (self.value, self.duration, self.octave)
class Chord():
def __init__(self, value, duration=.25, chord_type="major", octave=5):
def __init__(self, value, duration=1, chord_type="major", octave=5):
self.value = value
self.duration = duration
self.chord_type = chord_type
self.octave = octave
def __repr__(self):
return "Chord %s %s %s" % (self.value, self.duration, self.chord_type, self.octave)
class Rest():
def __init__(self, duration=.25):
def __init__(self, duration=1):
self.duration = duration
def __repr__(self):
return "Rest node %s" % self.duration
def parse(score, default_octave=8):
# Tokenize (lex)
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new_note.duration = p[2]
p[0] = new_note
def p_chord_length(p):
''' chord : chord NOTE_LENGTH
'''
new_note = p[1]
new_note.duration = 4*p[2]
new_note.duration = p[2]
p[0] = new_note
def p_chord(p):
'''chord : QUOTE pitch QUOTE
| QUOTE pitch CHORD_TYPE QUOTE
'''
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def p_rest(p):
''' rest : REST
| REST NOTE_LENGTH
'''
p[0] = Rest()
if len(p) > 2:
p[0].duration = 4*p[2]
p[0].duration = p[2]
def p_node(p):
'''node : NODE
'''
p[0] = tree.Tree(p[1].strip("(").strip(")"))
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