def run():
primitives()
metacommands()
modes()
scales()
instruments()
## test macros
sg.new_macro('P', 'play')
sg.new_macro('R', 'rest')
sg.new_macro('HAT', 'p rp p lp p')
sg.new_macro('STAIRS3', 'p rp p rp p rp')
sg.new_macro('HATCMD', 'begingroup p rp p lp p endgroup')
return True
def define_macro(self, string):
# = is syntactic sugar for >> begingroup ... endgroup
splitter = '>>'
if '=' in string:
splitter = '='
vals = string.split(splitter, 1)
signature = vals[0].strip()
if len(vals) == 2:
body = vals[1].strip()
if len(body) == 0:
ex = SilicaSyntaxError(
'Syntax error in macro definition: macro has no body.')
return SilicaEvent('exception', exception=ex)
vals = signature.split('(', 1)
name = vals[0].strip().upper()
if not self.valid_name(name):
ex = SilicaNameError('The name %s is invalid in this context.' %
name)
return SilicaEvent('exception', exception=ex)
args = None
if len(vals) == 2:
arglist = vals[1].strip()
if len(arglist) > 0:
if arglist[-1] != ')':
ex = SilicaSyntaxError(
'Syntax error in macro definition: unbounded arglist.')
return SilicaEvent('exception', exception=ex)
else:
arglist = arglist[:-1]
arglist = arglist.split(',')
args = [a.strip() for a in arglist]
if splitter == '=':
body = 'begingroup ' + body + ' endgroup'
sg.new_macro(name, body, args)
return SilicaEvent('macro_def', message='Macro %s defined.' % name)
def define_macro(self, string):
# = is syntactic sugar for >> begingroup ... endgroup
splitter = '>>'
if '=' in string:
splitter = '='
vals = string.split(splitter, 1)
signature = vals[0].strip()
if len(vals) == 2:
body = vals[1].strip()
if len(body) == 0:
ex = SilicaSyntaxError('Syntax error in macro definition: macro has no body.')
return SilicaEvent('exception', exception=ex)
vals = signature.split('(',1)
name = vals[0].strip().upper()
if not self.valid_name(name):
ex = SilicaNameError('The name %s is invalid in this context.' % name)
return SilicaEvent('exception', exception=ex)
args = None
if len(vals) == 2:
arglist = vals[1].strip()
if len(arglist) > 0:
if arglist[-1] != ')':
ex = SilicaSyntaxError('Syntax error in macro definition: unbounded arglist.')
return SilicaEvent('exception', exception=ex)
else:
arglist = arglist[:-1]
arglist = arglist.split(',')
args = [a.strip() for a in arglist]
if splitter == '=':
body = 'begingroup ' + body + ' endgroup'
sg.new_macro(name, body, args)
return SilicaEvent('macro_def', message='Macro %s defined.' % name)
