def placeholder(self, items, meta):
options = dict(items[:-1])
if len(options.items()) < len(items) - 1:
raise Err.MultipleDefinitions(
sp(self.filename, meta),
"duplicate options in expression placeholder")
return E.Placeholder(sp(self.filename, meta), options, items[-1])
def string(self, items, meta) -> E.Base:
parts = []
for item in items:
if isinstance(item, E.Base):
parts.append(E.Placeholder(item.pos, {}, item))
else:
parts.append(item.value)
assert len(parts) >= 2
assert parts[0] in ['"', "'"]
assert parts[-1] in ['"', "'"]
return E.String(sp(self.filename, meta), parts)
def string(self, items, meta) -> E.Base:
parts = []
for item in items:
if isinstance(item, E.Base):
parts.append(E.Placeholder(item.pos, {}, item))
elif item.type.endswith("_FRAGMENT"):
# for an interpolation fragment, item.value will end with "${"
# so we strip that off. it'd be nice to make the grammar filter
# that out since it does later filter out the "}"...
parts.append(item.value[:-2])
else:
parts.append(item.value)
# fix up a parsing quirk -- the opening quote got its own item but the
# closing quote didn't
assert len(parts) >= 2
assert parts[0] in ['"', "'"]
assert parts[-1][-1] in ['"', "'"] # pyre-fixme
if len(parts[-1]) > 1:
parts.append(parts[-1][-1]) # pyre-fixme
parts[-2] = parts[-2][:-1] # pyre-fixme
return E.String(sp(self.filename, meta), parts)
