def visit_generic(self, ast):
"""
Apply Times across Durations.
"""
if hasfield(ast, "duration") and self.scale != Fraction(1, 1):
duration = int(ast.duration * self.scale)
ast = ast._replace(duration=duration)
return ast, True
def visit_generic(self, ast):
"""
Simplify and fill in durations along an AST.
"""
if hasfield(ast, "duration"):
duration = self.fill_duration(ast.duration)
duration = self.undot_duration(duration.length, duration.dots)
ast = ast._replace(duration=duration)
return ast, True
def do_peepholes(ast):
if not hasfield(ast, "exprs"):
return
i = 0
lt = len(types)
while len(ast.exprs) >= i + lt:
matched = False
window = ast.exprs[i:i + lt]
if all(isinstance(*args) for args in zip(window, types)):
ast.exprs[i:i + lt], matched = f(*window)
if not matched:
i += 1
def visit_generic(self, node):
if hasfield(node, "exprs"):
exprs = _slurry(node.exprs).slurify()
node = node._replace(exprs=exprs)
return node, True
