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#!/usr/bin/env python
import tree
from ply import lex, yacc
class Note():
def __init__(self, value, duration=1, octave=8):
self.value = value
self.duration = duration
self.octave = octave
self.accidental = None
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"NODE",
)
t_ignore = " |"
t_BASENOTE = r"[A-Ga-g]"
# t_BASENOTE = r"I+V?|VI*|i+v?|vi*"
t_ACCIDENTAL = r"\^{1,2}|_{1,2}|="
t_ACCIDENTAL = r"\^{1}|_{1}|="
t_REST = r"z"
t_OCTAVE = r"'+|,+"
t_CHORD_TYPE = r"m|7|m7|0|o|\+|mb5|sus|sus4|maj7|mmaj7|7sus4|dim|dim7|7b5|m7b5|6|b6|m6|mb6|46|maj9|9|add9|7b9|m9"
t_PAREN = "\(|\)"
t_SYNCOPATE = "\+|-"
t_NODE = r"\([a-zA-Z0-9_-]+\)"
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'''
note.syncopate = p[2]
def p_accidental(p):
'''note : ACCIDENTAL note
'''
p[2].accidental = p[1]
if p[1] == "^":
p[2].value += "#"
else:
p[2].value += "b"
p[0] = p[2]
def p_octave(p):
'''note : note OCTAVE
'''
count = len(p[2])
increment_or_decrement = 1 if p[2].startswith("'") else -1
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def p_node(p):
'''node : NODE
'''
p[0] = tree.Tree(p[1].strip("(").strip(")"))
def p_error(p):
# import ipdb
# ipdb.set_trace()
print p
raise Exception("Syntax error at '%s' of element type %s" % (p.value, p.type))
yacc.yacc()
return yacc.parse(score)
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