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# vim: set ts=4 sws=4 sw=4:
import sys # stderr
_templates = {}
_templates['initializer'] = \
'''\
typedef typename value_type<%s, ! std::is_pointer<%s>::value>::type
vector_type;
std::vector<vector_type> %s =
{ value_iterator<%s>(%s), value_iterator<%s>(%s) };
'''
def _initializer(iter_type, c_name, iter_begin, iter_end):
return _templates['initializer'] % \
( iter_type
, iter_type
, c_name
, iter_type
, iter_begin
, iter_type
, iter_end
)
class ParameterList(object):
def __init__(self):
self.want_wrap = False
self.has_defaults = False
self.parameter = []
self.wrap_calls = []
self.wrap_protos = []
self.iter_calls = []
self.iter_2nd_lvl_calls = []
self.iter_protos = []
self.templates = []
self.iterator_templates = []
self.initializer = []
def add(self, param):
self.has_defaults = param.default != None
self.parameter.append(param)
def comma(self):
return "" if len(self.parameter) == 0 else ", "
def is_reordered(self):
tmp = sorted(self.parameter, key=lambda p: p.default or '')
return tmp != self.parameter
def calls(self, sort, params=None):
ps = self.parameter if params == None else params
if sort:
tmp = sorted(ps, key=lambda p: p.default or '')
ps = tmp
calls = [p.call() for p in ps]
return ", ".join(calls)
def protos(self, sort, defaults, params=None):
if defaults: sort = True
ps = self.parameter if params == None else params
if sort:
tmp = sorted(ps, key=lambda p: p.default or '')
ps = tmp
protos = [p.proto(defaults) for p in ps]
return ", ".join(protos)
def iterator_initializers(self):
return self.initializer
def make_wrapped(self):
self.wrap_calls = []
self.wrap_protos = []
self.iter_calls = []
self.iter_2nd_lvl_calls = []
self.iter_protos = []
self.initializer = []
self.templates = []
self.iterator_templates = []
lenfields = {}
# if a parameter is removed, take reduced parameter size into account
adjust = 0
for index, param in enumerate(self.parameter):
prev = index - adjust - 1
if param.field.type.is_list:
name = param.field.type.expr.lenfield_name
if name in lenfields:
lenfields[name].append(param.c_name)
else:
lenfields[name] = [ param.c_name ]
# sys.stderr.write("list: %s %s\n\n"
# % ( param.field.type.expr.lenfield_type
# , param.field.type.expr.lenfield_name
# ))
# SetGamma: takes 1 size, but 3 value lists
# if param.field.type.is_list and prev >= 0:
if (param.is_const and param.is_pointer
and prev >= 0
and self.parameter[prev].c_name == param.c_name + "_len"):
adjust = adjust + 1
self.want_wrap = True
self.wrap_calls.pop(prev)
self.wrap_protos.pop(prev)
self.iter_calls.pop(prev)
self.iter_2nd_lvl_calls.pop(prev)
self.iter_protos.pop(prev)
prev_type = self.parameter[prev].c_type
if param.c_type == 'char':
def append_proto_string(list):
list.append(Parameter(None, \
c_type='const std::string &',
c_name=param.c_name))
def append_call_string(list):
list.append(Parameter(None, \
c_name="static_cast<" + prev_type + ">(" \
+ param.c_name + '.length())'))
list.append(Parameter(None, \
c_name=param.c_name + '.c_str()'))
append_proto_string(self.wrap_protos)
append_proto_string(self.iter_protos)
append_call_string(self.wrap_calls)
append_call_string(self.iter_calls)
append_call_string(self.iter_2nd_lvl_calls)
else:
param_type = param.c_type
if param_type == "void":
param_type = "Type_" + str(index)
self.templates.append(param_type)
prev_type = self.parameter[prev].c_type
### std::vector
self.wrap_protos.append(Parameter(None, \
c_type='const std::vector<' + param_type + '> &',
c_name=param.c_name))
self.wrap_calls.append(Parameter(None, \
c_name="static_cast<" + prev_type + ">(" \
+ param.c_name + '.size())'))
self.wrap_calls.append(Parameter(None, \
c_name=param.c_name + '.data()'))
### Iterator
iter_type = param.c_name.capitalize() + "_Iterator"
iter_begin = param.c_name + "_begin"
iter_end = param.c_name + "_end"
if len(self.templates) > 0:
self.templates[-1] += " = typename " + iter_type + "::value_type"
self.iterator_templates.append(iter_type)
self.iter_protos.append(Parameter(None, \
c_type=iter_type,
c_name=iter_begin))
self.iter_protos.append(Parameter(None, \
c_type=iter_type,
c_name=iter_end))
self.iter_calls.append(Parameter(None, \
c_name="static_cast<" + prev_type + ">(" \
+ param.c_name + '.size())'))
self.iter_calls.append(Parameter(None, \
c_name='const_cast<const vector_type *>(' \
+ param.c_name + '.data())'))
self.iter_2nd_lvl_calls.append(Parameter(None, \
c_name=iter_begin))
self.iter_2nd_lvl_calls.append(Parameter(None, \
c_name=iter_end))
# vector_type = \
# '''\
# typename value_type<%s,
# ! std::is_pointer<%s>::value
# >::type\
# ''' % (iter_type, iter_type)
# self.initializer.append( \
# "std::vector<%s> %s = { value_iterator<%s>(%s), \
# value_iterator<%s>(%s) };" \
# % (vector_type, param.c_name,
# iter_type, iter_begin,
# iter_type, iter_end))
self.initializer.append(
_initializer(iter_type, param.c_name, iter_begin, iter_end))
else:
self.wrap_calls.append(param)
self.wrap_protos.append(param)
self.iter_calls.append(param)
self.iter_2nd_lvl_calls.append(param)
self.iter_protos.append(param)
# end: for index, param in enumerate(self.parameter):
for k, v in list(lenfields.items()):
if len(v) > 1:
sys.stderr.write("list: %s, %s\n" % (k, v))
def wrapped_calls(self, sort):
return self.calls(sort, params=self.wrap_calls)
def wrapped_protos(self, sort, defaults):
return self.protos(sort, defaults, params=self.wrap_protos)
def iterator_calls(self, sort):
return self.calls(sort, params=self.iter_calls)
def iterator_2nd_lvl_calls(self, sort):
return self.calls(sort, params=self.iter_2nd_lvl_calls)
def iterator_protos(self, sort, defaults):
return self.protos(sort, defaults, params=self.iter_protos)
_default_parameter_values = \
{ "xcb_timestamp_t" : "XCB_TIME_CURRENT_TIME" }
class Parameter(object):
def __init__(self, field, c_type="", c_name="", verbose=False):
self.field = field
if field != None:
self.c_type = field.c_field_type
self.c_name = field.c_field_name
self.is_const = field.c_field_const_type == "const " + field.c_field_type
self.is_pointer = field.c_pointer != " "
# self.serialize = field.type.need_serialize
self.default = _default_parameter_values.get(self.c_type)
self.with_default = True
if verbose:
sys.stderr.write("c_type: %s; c_name: %s; default: %s\n" \
% (self.c_type, self.c_name, self.default))
else:
self.c_type = c_type
self.c_name = c_name
self.is_const = False
self.is_pointer = False
# self.serialize = field.type.need_serialize
self.default = _default_parameter_values.get(self.c_type)
self.with_default = True
def call(self):
return self.c_name
def proto(self, with_default):
c_type = ("const " if self.is_const else "") \
+ self.c_type \
+ (" *" if self.is_pointer else "")
param = " = " + self.default if with_default and self.default != None else ""
return c_type + " " + self.c_name + param
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