[Xcb] [PATCH libxcb 3/7] c_client.py: remove trailing whitespace
Ran Benita
ran234 at gmail.com
Sun Feb 23 12:55:17 PST 2014
These are extra annoying in python code.
Signed-off-by: Ran Benita <ran234 at gmail.com>
---
src/c_client.py | 342 ++++++++++++++++++++++++++++----------------------------
1 file changed, 171 insertions(+), 171 deletions(-)
diff --git a/src/c_client.py b/src/c_client.py
index c0119e5..301f8dc 100644
--- a/src/c_client.py
+++ b/src/c_client.py
@@ -28,7 +28,7 @@ _clines = []
_clevel = 0
_ns = None
-# global variable to keep track of serializers and
+# global variable to keep track of serializers and
# switch data types due to weird dependencies
finished_serializers = []
finished_sizeof = []
@@ -44,13 +44,13 @@ def _h(fmt, *args):
Writes the given line to the header file.
'''
_hlines[_hlevel].append(fmt % args)
-
+
def _c(fmt, *args):
'''
Writes the given line to the source file.
'''
_clines[_clevel].append(fmt % args)
-
+
def _hc(fmt, *args):
'''
Writes the given line to both the header and source files.
@@ -68,7 +68,7 @@ def _h_setlevel(idx):
while len(_hlines) <= idx:
_hlines.append([])
_hlevel = idx
-
+
def _c_setlevel(idx):
'''
Changes the array that source lines are written to.
@@ -78,7 +78,7 @@ def _c_setlevel(idx):
while len(_clines) <= idx:
_clines.append([])
_clevel = idx
-
+
def _n_item(str):
'''
Does C-name conversion on a single string fragment.
@@ -90,7 +90,7 @@ def _n_item(str):
split = _cname_re.finditer(str)
name_parts = [match.group(0) for match in split]
return '_'.join(name_parts)
-
+
def _cpp(str):
'''
Checks for certain C++ reserved words and fixes them.
@@ -111,7 +111,7 @@ def _ext(str):
return _n_item(str).lower()
else:
return str.lower()
-
+
def _n(list):
'''
Does C-name conversion on a tuple of strings.
@@ -142,7 +142,7 @@ def _t(list):
else:
parts = [list[0]] + [_n_item(i) for i in list[1:]] + ['t']
return '_'.join(parts).lower()
-
+
def c_open(self):
'''
@@ -185,7 +185,7 @@ def c_open(self):
_c('#include <stddef.h> /* for offsetof() */')
_c('#include "xcbext.h"')
_c('#include "%s.h"', _ns.header)
-
+
_c('')
_c('#define ALIGNOF(type) offsetof(struct { char dummy; type member; }, member)')
@@ -339,7 +339,7 @@ def _c_type_setup(self, name, postfix):
_c_type_setup(field.type, field.field_type, ())
if field.type.is_list:
_c_type_setup(field.type.member, field.field_type, ())
- if (field.type.nmemb is None):
+ if (field.type.nmemb is None):
self.need_sizeof = True
field.c_field_type = _t(field.field_type)
@@ -384,17 +384,17 @@ def _c_type_setup(self, name, postfix):
else:
self.last_varsized_field = field
prev_varsized_field = field
- prev_varsized_offset = 0
+ prev_varsized_offset = 0
if self.var_followed_by_fixed_fields:
if field.type.fixed_size():
field.prev_varsized_field = None
-
+
if self.need_serialize:
- # when _unserialize() is wanted, create _sizeof() as well for consistency reasons
+ # when _unserialize() is wanted, create _sizeof() as well for consistency reasons
self.need_sizeof = True
- # as switch does never appear at toplevel,
+ # as switch does never appear at toplevel,
# continue here with type construction
if self.is_switch:
if self.c_type not in finished_switch:
@@ -404,7 +404,7 @@ def _c_type_setup(self, name, postfix):
for bitcase in self.bitcases:
bitcase_name = bitcase.type.name if bitcase.type.has_name else name
_c_accessors(bitcase.type, bitcase_name, bitcase_name)
- # no list with switch as element, so no call to
+ # no list with switch as element, so no call to
# _c_iterator(field.type, field_name) necessary
if not self.is_bitcase:
@@ -418,7 +418,7 @@ def _c_type_setup(self, name, postfix):
# special cases -> unserialize
if self.is_switch or self.var_followed_by_fixed_fields:
_c_serialize('unserialize', self)
-
+
if self.need_sizeof:
if self.c_sizeof_name not in finished_sizeof:
if not module.namespace.is_ext or self.name[:2] == module.namespace.prefix:
@@ -445,7 +445,7 @@ def _c_helper_absolute_name(prefix, field=None):
prefix_str += _cpp(field.field_name)
return prefix_str
# _c_absolute_name
-
+
def _c_helper_field_mapping(complex_type, prefix, flat=False):
"""
generate absolute names, based on prefix, for all fields starting from complex_type
@@ -458,7 +458,7 @@ def _c_helper_field_mapping(complex_type, prefix, flat=False):
switch_name, switch_sep, switch_type = prefix[-1]
bitcase_prefix = prefix + [(b.type.name[-1], '.', b.type)]
else:
- bitcase_prefix = prefix
+ bitcase_prefix = prefix
if (True==flat and not b.type.has_name) or False==flat:
all_fields.update(_c_helper_field_mapping(b.type, bitcase_prefix, flat))
@@ -505,7 +505,7 @@ def _c_helper_resolve_field_names (prefix):
def get_expr_fields(self):
"""
- get the Fields referenced by switch or list expression
+ get the Fields referenced by switch or list expression
"""
def get_expr_field_names(expr):
if expr.op is None:
@@ -520,7 +520,7 @@ def get_expr_fields(self):
elif expr.op == 'popcount':
return get_expr_field_names(expr.rhs)
elif expr.op == 'sumof':
- # sumof expr references another list,
+ # sumof expr references another list,
# we need that list's length field here
field = None
for f in expr.lenfield_parent.fields:
@@ -536,7 +536,7 @@ def get_expr_fields(self):
else:
return get_expr_field_names(expr.lhs) + get_expr_field_names(expr.rhs)
# get_expr_field_names()
-
+
# resolve the field names with the parent structure(s)
unresolved_fields_names = get_expr_field_names(self.expr)
@@ -549,7 +549,7 @@ def get_expr_fields(self):
resolved_fields_names = list(filter(lambda x: x in all_fields.keys(), unresolved_fields_names))
if len(unresolved_fields_names) != len(resolved_fields_names):
raise Exception("could not resolve all fields for %s" % self.name)
-
+
resolved_fields = [all_fields[n][1] for n in resolved_fields_names]
return resolved_fields
# get_expr_fields()
@@ -576,13 +576,13 @@ def resolve_expr_fields(complex_obj):
unresolved.append(e)
return unresolved
# resolve_expr_fields()
-
+
def get_serialize_params(context, self, buffer_var='_buffer', aux_var='_aux'):
"""
functions like _serialize(), _unserialize(), and _unpack() sometimes need additional parameters:
- E.g. in order to unpack switch, extra parameters might be needed to evaluate the switch
- expression. This function tries to resolve all fields within a structure, and returns the
- unresolved fields as the list of external parameters.
+ E.g. in order to unpack switch, extra parameters might be needed to evaluate the switch
+ expression. This function tries to resolve all fields within a structure, and returns the
+ unresolved fields as the list of external parameters.
"""
def add_param(params, param):
if param not in params:
@@ -601,9 +601,9 @@ def get_serialize_params(context, self, buffer_var='_buffer', aux_var='_aux'):
# field in the xcb_out structure
wire_fields.append(field)
# fields like 'pad0' are skipped!
-
+
# in case of switch, parameters always contain any fields referenced in the switch expr
- # we do not need any variable size fields here, as the switch data type contains both
+ # we do not need any variable size fields here, as the switch data type contains both
# fixed and variable size fields
if self.is_switch:
param_fields = get_expr_fields(self)
@@ -611,7 +611,7 @@ def get_serialize_params(context, self, buffer_var='_buffer', aux_var='_aux'):
# _serialize()/_unserialize()/_unpack() function parameters
# note: don't use set() for params, it is unsorted
params = []
-
+
# 1. the parameter for the void * buffer
if 'serialize' == context:
params.append(('void', '**', buffer_var))
@@ -628,25 +628,25 @@ def get_serialize_params(context, self, buffer_var='_buffer', aux_var='_aux'):
for p in param_fields:
if self.is_switch:
typespec = p.c_field_const_type
- pointerspec = p.c_pointer
+ pointerspec = p.c_pointer
add_param(params, (typespec, pointerspec, p.c_field_name))
else:
if p.visible and not p.wire and not p.auto:
typespec = p.c_field_type
pointerspec = ''
add_param(params, (typespec, pointerspec, p.c_field_name))
-
+
# 4. aux argument
if 'serialize' == context:
add_param(params, ('const %s' % self.c_type, '*', aux_var))
- elif 'unserialize' == context:
+ elif 'unserialize' == context:
add_param(params, ('%s' % self.c_type, '**', aux_var))
elif 'unpack' == context:
add_param(params, ('%s' % self.c_type, '*', aux_var))
# 5. switch contains all variable size fields as struct members
# for other data types though, these have to be supplied separately
- # this is important for the special case of intermixed fixed and
+ # this is important for the special case of intermixed fixed and
# variable size fields
if not self.is_switch and 'serialize' == context:
for p in param_fields:
@@ -674,20 +674,20 @@ def _c_serialize_helper_insert_padding(context, code_lines, space, postpone):
code_lines.append('%s xcb_pad = 0;' % space)
code_lines.append('%s }' % space)
-
+
code_lines.append('%s xcb_block_len = 0;' % space)
# keep tracking of xcb_parts entries for serialize
return 1
# _c_serialize_helper_insert_padding()
-def _c_serialize_helper_switch(context, self, complex_name,
- code_lines, temp_vars,
+def _c_serialize_helper_switch(context, self, complex_name,
+ code_lines, temp_vars,
space, prefix):
count = 0
switch_expr = _c_accessor_get_expr(self.expr, None)
- for b in self.bitcases:
+ for b in self.bitcases:
len_expr = len(b.type.expr)
for n, expr in enumerate(b.type.expr):
bitcase_expr = _c_accessor_get_expr(expr, None)
@@ -705,11 +705,11 @@ def _c_serialize_helper_switch(context, self, complex_name,
b_prefix = prefix
if b.type.has_name:
b_prefix = prefix + [(b.c_field_name, '.', b.type)]
-
- count += _c_serialize_helper_fields(context, b.type,
- code_lines, temp_vars,
- "%s " % space,
- b_prefix,
+
+ count += _c_serialize_helper_fields(context, b.type,
+ code_lines, temp_vars,
+ "%s " % space,
+ b_prefix,
is_bitcase = True)
code_lines.append(' }')
@@ -719,7 +719,7 @@ def _c_serialize_helper_switch(context, self, complex_name,
# # padding
# code_lines.append('%s xcb_pad = -xcb_block_len & 3;' % space)
# code_lines.append('%s xcb_buffer_len += xcb_block_len + xcb_pad;' % space)
-
+
return count
# _c_serialize_helper_switch
@@ -735,7 +735,7 @@ def _c_serialize_helper_switch_field(context, self, field, c_switch_variable, pr
# find the parameters that need to be passed to _serialize()/_unpack():
# all switch expr fields must be given as parameters
args = get_expr_fields(field.type)
- # length fields for variable size types in switch, normally only some of need
+ # length fields for variable size types in switch, normally only some of need
# need to be passed as parameters
switch_len_fields = resolve_expr_fields(field.type)
@@ -745,7 +745,7 @@ def _c_serialize_helper_switch_field(context, self, field, c_switch_variable, pr
if len(bitcase_unresolved) != 0:
raise Exception('unresolved fields within bitcase is not supported at this point')
- # get the C names for the parameters
+ # get the C names for the parameters
c_field_names = ''
for a in switch_len_fields:
c_field_names += "%s, " % field_mapping[a.c_field_name][0]
@@ -755,16 +755,16 @@ def _c_serialize_helper_switch_field(context, self, field, c_switch_variable, pr
# call _serialize()/_unpack() to determine the actual size
if 'serialize' == context:
length = "%s(&%s, %s&%s%s)" % (field.type.c_serialize_name, c_switch_variable,
- c_field_names, prefix_str, field.c_field_name)
+ c_field_names, prefix_str, field.c_field_name)
elif context in ('unserialize', 'unpack'):
- length = "%s(xcb_tmp, %s&%s%s)" % (field.type.c_unpack_name,
+ length = "%s(xcb_tmp, %s&%s%s)" % (field.type.c_unpack_name,
c_field_names, prefix_str, field.c_field_name)
return length
# _c_serialize_helper_switch_field()
-def _c_serialize_helper_list_field(context, self, field,
- code_lines, temp_vars,
+def _c_serialize_helper_list_field(context, self, field,
+ code_lines, temp_vars,
space, prefix):
"""
helper function to cope with lists of variable length
@@ -773,21 +773,21 @@ def _c_serialize_helper_list_field(context, self, field,
prefix_str = _c_helper_absolute_name(prefix)
param_fields, wire_fields, params = get_serialize_params('sizeof', self)
param_names = [p[2] for p in params]
-
+
expr_fields_names = [f.field_name for f in get_expr_fields(field.type)]
resolved = list(filter(lambda x: x in param_names, expr_fields_names))
unresolved = list(filter(lambda x: x not in param_names, expr_fields_names))
-
+
field_mapping = {}
for r in resolved:
field_mapping[r] = (r, None)
-
+
if len(unresolved)>0:
tmp_prefix = prefix
if len(tmp_prefix)==0:
- raise Exception("found an empty prefix while resolving expr field names for list %s",
- field.c_field_name)
-
+ raise Exception("found an empty prefix while resolving expr field names for list %s",
+ field.c_field_name)
+
field_mapping.update(_c_helper_resolve_field_names(prefix))
resolved += list(filter(lambda x: x in field_mapping, unresolved))
unresolved = list(filter(lambda x: x not in field_mapping, unresolved))
@@ -799,7 +799,7 @@ def _c_serialize_helper_list_field(context, self, field,
# default: list with fixed size elements
length = '%s * sizeof(%s)' % (list_length, field.type.member.c_wiretype)
- # list with variable-sized elements
+ # list with variable-sized elements
if not field.type.member.fixed_size():
length = ''
if context in ('unserialize', 'sizeof', 'unpack'):
@@ -812,12 +812,12 @@ def _c_serialize_helper_list_field(context, self, field,
# loop over all list elements and call sizeof repeatedly
# this should be a bit faster than using the iterators
code_lines.append("%s for(i=0; i<%s; i++) {" % (space, list_length))
- code_lines.append("%s xcb_tmp_len = %s(xcb_tmp);" %
+ code_lines.append("%s xcb_tmp_len = %s(xcb_tmp);" %
(space, field.type.c_sizeof_name))
code_lines.append("%s xcb_block_len += xcb_tmp_len;" % space)
code_lines.append("%s xcb_tmp += xcb_tmp_len;" % space)
- code_lines.append("%s }" % space)
-
+ code_lines.append("%s }" % space)
+
elif 'serialize' == context:
code_lines.append('%s xcb_parts[xcb_parts_idx].iov_len = 0;' % space)
code_lines.append('%s xcb_tmp = (char *) %s%s;' % (space, prefix_str, field.c_field_name))
@@ -826,12 +826,12 @@ def _c_serialize_helper_list_field(context, self, field,
code_lines.append('%s xcb_parts[xcb_parts_idx].iov_len += xcb_block_len;' % space)
code_lines.append('%s }' % space)
code_lines.append('%s xcb_block_len = xcb_parts[xcb_parts_idx].iov_len;' % space)
-
+
return length
# _c_serialize_helper_list_field()
-def _c_serialize_helper_fields_fixed_size(context, self, field,
- code_lines, temp_vars,
+def _c_serialize_helper_fields_fixed_size(context, self, field,
+ code_lines, temp_vars,
space, prefix):
# keep the C code a bit more readable by giving the field name
if not self.is_bitcase:
@@ -847,14 +847,14 @@ def _c_serialize_helper_fields_fixed_size(context, self, field,
if context in ('unserialize', 'unpack', 'sizeof'):
# default: simple cast
- value = ' %s = *(%s *)xcb_tmp;' % (abs_field_name, field.c_field_type)
-
+ value = ' %s = *(%s *)xcb_tmp;' % (abs_field_name, field.c_field_type)
+
# padding - we could probably just ignore it
if field.type.is_pad and field.type.nmemb > 1:
value = ''
for i in range(field.type.nmemb):
- code_lines.append('%s %s[%d] = *(%s *)xcb_tmp;' %
- (space, abs_field_name, i, field.c_field_type))
+ code_lines.append('%s %s[%d] = *(%s *)xcb_tmp;' %
+ (space, abs_field_name, i, field.c_field_type))
# total padding = sizeof(pad0) * nmemb
length += " * %d" % field.type.nmemb
@@ -863,15 +863,15 @@ def _c_serialize_helper_fields_fixed_size(context, self, field,
raise Exception('list with fixed number of elemens unhandled in _unserialize()')
elif 'serialize' == context:
- value = ' xcb_parts[xcb_parts_idx].iov_base = (char *) '
+ value = ' xcb_parts[xcb_parts_idx].iov_base = (char *) '
if field.type.is_expr:
# need to register a temporary variable for the expression in case we know its type
if field.type.c_type is None:
- raise Exception("type for field '%s' (expression '%s') unkown" %
+ raise Exception("type for field '%s' (expression '%s') unkown" %
(field.field_name, _c_accessor_get_expr(field.type.expr)))
-
- temp_vars.append(' %s xcb_expr_%s = %s;' % (field.type.c_type, _cpp(field.field_name),
+
+ temp_vars.append(' %s xcb_expr_%s = %s;' % (field.type.c_type, _cpp(field.field_name),
_c_accessor_get_expr(field.type.expr, prefix)))
value += "&xcb_expr_%s;" % _cpp(field.field_name)
@@ -896,15 +896,15 @@ def _c_serialize_helper_fields_fixed_size(context, self, field,
return (value, length)
# _c_serialize_helper_fields_fixed_size()
-def _c_serialize_helper_fields_variable_size(context, self, field,
- code_lines, temp_vars,
+def _c_serialize_helper_fields_variable_size(context, self, field,
+ code_lines, temp_vars,
space, prefix):
prefix_str = _c_helper_absolute_name(prefix)
if context in ('unserialize', 'unpack', 'sizeof'):
value = ''
var_field_name = 'xcb_tmp'
-
+
# special case: intermixed fixed and variable size fields
if self.var_followed_by_fixed_fields and 'unserialize' == context:
value = ' %s = (%s *)xcb_tmp;' % (field.c_field_name, field.c_field_type)
@@ -912,9 +912,9 @@ def _c_serialize_helper_fields_variable_size(context, self, field,
# special case: switch
if 'unpack' == context:
value = ' %s%s = (%s *)xcb_tmp;' % (prefix_str, field.c_field_name, field.c_field_type)
-
+
elif 'serialize' == context:
- # variable size fields appear as parameters to _serialize() if the
+ # variable size fields appear as parameters to _serialize() if the
# 'toplevel' container is not a switch
prefix_string = prefix_str if prefix[0][2].is_switch else ''
var_field_name = "%s%s" % (prefix_string, field.c_field_name)
@@ -929,19 +929,19 @@ def _c_serialize_helper_fields_variable_size(context, self, field,
# in any context, list is already a pointer, so the default assignment is ok
code_lines.append("%s%s" % (space, value))
value = ''
- length = _c_serialize_helper_list_field(context, self, field,
- code_lines, temp_vars,
+ length = _c_serialize_helper_list_field(context, self, field,
+ code_lines, temp_vars,
space, prefix)
-
+
elif field.type.is_switch:
value = ''
if context == 'serialize':
# the _serialize() function allocates the correct amount memory if given a NULL pointer
value = ' xcb_parts[xcb_parts_idx].iov_base = (char *)0;'
- length = _c_serialize_helper_switch_field(context, self, field,
- 'xcb_parts[xcb_parts_idx].iov_base',
+ length = _c_serialize_helper_switch_field(context, self, field,
+ 'xcb_parts[xcb_parts_idx].iov_base',
prefix)
-
+
else:
# in all remaining special cases - call _sizeof()
length = "%s(%s)" % (field.type.c_sizeof_name, var_field_name)
@@ -949,8 +949,8 @@ def _c_serialize_helper_fields_variable_size(context, self, field,
return (value, length)
# _c_serialize_helper_fields_variable_size
-def _c_serialize_helper_fields(context, self,
- code_lines, temp_vars,
+def _c_serialize_helper_fields(context, self,
+ code_lines, temp_vars,
space, prefix, is_bitcase):
count = 0
need_padding = False
@@ -961,20 +961,20 @@ def _c_serialize_helper_fields(context, self,
if not ((field.wire and not field.auto) or 'unserialize' == context):
continue
- # switch/bitcase: fixed size fields must be considered explicitly
+ # switch/bitcase: fixed size fields must be considered explicitly
if field.type.fixed_size():
if self.is_bitcase or self.var_followed_by_fixed_fields:
if prev_field_was_variable and need_padding:
# insert padding
-# count += _c_serialize_helper_insert_padding(context, code_lines, space,
+# count += _c_serialize_helper_insert_padding(context, code_lines, space,
# self.var_followed_by_fixed_fields)
prev_field_was_variable = False
# prefix for fixed size fields
fixed_prefix = prefix
- value, length = _c_serialize_helper_fields_fixed_size(context, self, field,
- code_lines, temp_vars,
+ value, length = _c_serialize_helper_fields_fixed_size(context, self, field,
+ code_lines, temp_vars,
space, fixed_prefix)
else:
continue
@@ -984,7 +984,7 @@ def _c_serialize_helper_fields(context, self,
if field.type.is_pad:
# Variable length pad is <pad align= />
code_lines.append('%s xcb_align_to = %d;' % (space, field.type.align))
- count += _c_serialize_helper_insert_padding(context, code_lines, space,
+ count += _c_serialize_helper_insert_padding(context, code_lines, space,
self.var_followed_by_fixed_fields)
continue
else:
@@ -997,23 +997,23 @@ def _c_serialize_helper_fields(context, self,
code_lines, temp_vars,
space, prefix)
prev_field_was_variable = True
-
+
# save (un)serialization C code
if '' != value:
- code_lines.append('%s%s' % (space, value))
-
+ code_lines.append('%s%s' % (space, value))
+
if field.type.fixed_size():
if is_bitcase or self.var_followed_by_fixed_fields:
# keep track of (un)serialized object's size
code_lines.append('%s xcb_block_len += %s;' % (space, length))
if context in ('unserialize', 'unpack', 'sizeof'):
code_lines.append('%s xcb_tmp += %s;' % (space, length))
- else:
+ else:
# variable size objects or bitcase:
# value & length might have been inserted earlier for special cases
if '' != length:
# special case: intermixed fixed and variable size fields
- if (not field.type.fixed_size() and
+ if (not field.type.fixed_size() and
self.var_followed_by_fixed_fields and 'unserialize' == context):
temp_vars.append(' int %s_len;' % field.c_field_name)
code_lines.append('%s %s_len = %s;' % (space, field.c_field_name, length))
@@ -1024,7 +1024,7 @@ def _c_serialize_helper_fields(context, self,
# increase pointer into the byte stream accordingly
if context in ('unserialize', 'sizeof', 'unpack'):
code_lines.append('%s xcb_tmp += xcb_block_len;' % space)
-
+
if 'serialize' == context:
if '' != length:
code_lines.append('%s xcb_parts[xcb_parts_idx].iov_len = %s;' % (space, length))
@@ -1036,12 +1036,12 @@ def _c_serialize_helper_fields(context, self,
need_padding = True
if self.var_followed_by_fixed_fields:
need_padding = False
-
+
return count
-# _c_serialize_helper_fields()
+# _c_serialize_helper_fields()
-def _c_serialize_helper(context, complex_type,
- code_lines, temp_vars,
+def _c_serialize_helper(context, complex_type,
+ code_lines, temp_vars,
space='', prefix=[]):
# count tracks the number of fields to serialize
count = 0
@@ -1055,15 +1055,15 @@ def _c_serialize_helper(context, complex_type,
complex_name = 'xcb_out'
else:
complex_name = '_aux'
-
+
# special case: switch is serialized by evaluating each bitcase separately
if self.is_switch:
- count += _c_serialize_helper_switch(context, self, complex_name,
- code_lines, temp_vars,
+ count += _c_serialize_helper_switch(context, self, complex_name,
+ code_lines, temp_vars,
space, prefix)
# all other data types can be evaluated one field a time
- else:
+ else:
# unserialize & fixed size fields: simply cast the buffer to the respective xcb_out type
if context in ('unserialize', 'unpack', 'sizeof') and not self.var_followed_by_fixed_fields:
code_lines.append('%s xcb_block_len += sizeof(%s);' % (space, self.c_type))
@@ -1071,18 +1071,18 @@ def _c_serialize_helper(context, complex_type,
code_lines.append('%s xcb_buffer_len += xcb_block_len;' % space)
code_lines.append('%s xcb_block_len = 0;' % space)
- count += _c_serialize_helper_fields(context, self,
- code_lines, temp_vars,
+ count += _c_serialize_helper_fields(context, self,
+ code_lines, temp_vars,
space, prefix, False)
# "final padding"
count += _c_serialize_helper_insert_padding(context, code_lines, space, False)
- return count
+ return count
# _c_serialize_helper()
def _c_serialize(context, self):
"""
- depending on the context variable, generate _serialize(), _unserialize(), _unpack(), or _sizeof()
+ depending on the context variable, generate _serialize(), _unserialize(), _unpack(), or _sizeof()
for the ComplexType variable self
"""
_h_setlevel(1)
@@ -1095,25 +1095,25 @@ def _c_serialize(context, self):
if self.is_switch and 'unserialize' == context:
context = 'unpack'
- cases = { 'serialize' : self.c_serialize_name,
- 'unserialize' : self.c_unserialize_name,
- 'unpack' : self.c_unpack_name,
+ cases = { 'serialize' : self.c_serialize_name,
+ 'unserialize' : self.c_unserialize_name,
+ 'unpack' : self.c_unpack_name,
'sizeof' : self.c_sizeof_name }
func_name = cases[context]
-
+
param_fields, wire_fields, params = get_serialize_params(context, self)
variable_size_fields = 0
# maximum space required for type definition of function arguments
maxtypelen = 0
- # determine N(variable_fields)
+ # determine N(variable_fields)
for field in param_fields:
# if self.is_switch, treat all fields as if they are variable sized
if not field.type.fixed_size() or self.is_switch:
variable_size_fields += 1
# determine maxtypelen
for p in params:
- maxtypelen = max(maxtypelen, len(p[0]) + len(p[1]))
+ maxtypelen = max(maxtypelen, len(p[0]) + len(p[1]))
# write to .c/.h
indent = ' '*(len(func_name)+2)
@@ -1191,7 +1191,7 @@ def _c_serialize(context, self):
variable_size_fields = count
if 'serialize' == context:
temp_vars.append(' unsigned int xcb_pad = 0;')
- temp_vars.append(' char xcb_pad0[3] = {0, 0, 0};')
+ temp_vars.append(' char xcb_pad0[3] = {0, 0, 0};')
temp_vars.append(' struct iovec xcb_parts[%d];' % count)
temp_vars.append(' unsigned int xcb_parts_idx = 0;')
temp_vars.append(' unsigned int xcb_block_len = 0;')
@@ -1211,7 +1211,7 @@ def _c_serialize(context, self):
_c(' unsigned int xcb_buffer_len = 0;')
_c(' unsigned int xcb_block_len = 0;')
- _c(' unsigned int xcb_pad = 0;')
+ _c(' unsigned int xcb_pad = 0;')
_c(' unsigned int xcb_align_to = 0;')
_c('')
@@ -1222,7 +1222,7 @@ def _c_serialize(context, self):
_c(l)
# variable sized fields have been collected, now
- # allocate memory and copy everything into a continuous memory area
+ # allocate memory and copy everything into a continuous memory area
# note: this is not necessary in case of unpack
if context in ('serialize', 'unserialize'):
# unserialize: check for sizeof-only invocation
@@ -1261,7 +1261,7 @@ def _c_serialize(context, self):
_c(' if (0 != xcb_parts[i].iov_len)')
_c(' xcb_tmp += xcb_parts[i].iov_len;')
_c(' }')
-
+
# unserialize: assign variable size fields individually
if 'unserialize' == context:
_c(' xcb_tmp = ((char *)*_aux)+xcb_buffer_len;')
@@ -1271,7 +1271,7 @@ def _c_serialize(context, self):
_c(' xcb_tmp -= %s_len;', field.c_field_name)
_c(' memmove(xcb_tmp, %s, %s_len);', field.c_field_name, field.c_field_name)
_c(' *%s = xcb_out;', aux_ptr)
-
+
_c('')
_c(' return xcb_buffer_len;')
_c('}')
@@ -1340,11 +1340,11 @@ def _c_iterator(self, name):
if self.is_union:
# FIXME - how to determine the size of a variable size union??
- _c(' /* FIXME - determine the size of the union %s */', self.c_type)
+ _c(' /* FIXME - determine the size of the union %s */', self.c_type)
else:
if self.need_sizeof:
_c(' xcb_generic_iterator_t child;')
- _c(' child.data = (%s *)(((char *)R) + %s(R));',
+ _c(' child.data = (%s *)(((char *)R) + %s(R));',
self.c_type, self.c_sizeof_name)
_c(' i->index = (char *) child.data - (char *) i->data;')
else:
@@ -1404,7 +1404,7 @@ def _c_iterator(self, name):
def _c_accessor_get_length(expr, field_mapping=None):
'''
Figures out what C code is needed to get a length field.
- The field_mapping parameter can be used to change the absolute name of a length field.
+ The field_mapping parameter can be used to change the absolute name of a length field.
For fields that follow a variable-length field, use the accessor.
Otherwise, just reference the structure field directly.
'''
@@ -1413,7 +1413,7 @@ def _c_accessor_get_length(expr, field_mapping=None):
if lenfield_name is not None:
if field_mapping is not None:
lenfield_name = field_mapping[lenfield_name][0]
-
+
if expr.lenfield is not None and expr.lenfield.prev_varsized_field is not None:
# special case: variable and fixed size fields are intermixed
# if the lenfield is among the fixed size fields, there is no need
@@ -1427,7 +1427,7 @@ def _c_accessor_get_length(expr, field_mapping=None):
def _c_accessor_get_expr(expr, field_mapping):
'''
Figures out what C code is needed to get the length of a list field.
- The field_mapping parameter can be used to change the absolute name of a length field.
+ The field_mapping parameter can be used to change the absolute name of a length field.
Recurses for math operations.
Returns bitcount for value-mask fields.
Otherwise, uses the value of the length field.
@@ -1460,8 +1460,8 @@ def _c_accessor_get_expr(expr, field_mapping):
c_length_func = _c_accessor_get_expr(field.type.expr, field_mapping)
return 'xcb_sumof(%s, %s)' % (list_name, c_length_func)
elif expr.op != None:
- return ('(' + _c_accessor_get_expr(expr.lhs, field_mapping) +
- ' ' + expr.op + ' ' +
+ return ('(' + _c_accessor_get_expr(expr.lhs, field_mapping) +
+ ' ' + expr.op + ' ' +
_c_accessor_get_expr(expr.rhs, field_mapping) + ')')
elif expr.bitfield:
return 'xcb_popcount(' + lenexp + ')'
@@ -1506,7 +1506,7 @@ def _c_accessors_field(self, field):
_c(' return (%s *) (R + 1);', field.c_field_type)
else:
_c(' xcb_generic_iterator_t prev = %s;', _c_iterator_get_end(field.prev_varsized_field, 'R'))
- _c(' return * (%s *) ((char *) prev.data + XCB_TYPE_PAD(%s, prev.index) + %d);',
+ _c(' return * (%s *) ((char *) prev.data + XCB_TYPE_PAD(%s, prev.index) + %d);',
field.c_field_type, type_pad_type(field.first_field_after_varsized.type.c_type), field.prev_varsized_offset)
_c('}')
else:
@@ -1533,15 +1533,15 @@ def _c_accessors_field(self, field):
if field.prev_varsized_field is None:
_c(' return (%s) (R + 1);', return_type)
# note: the special case 'variable fields followed by fixed size fields'
- # is not of any consequence here, since the ordering gets
+ # is not of any consequence here, since the ordering gets
# 'corrected' in the reply function
else:
_c(' xcb_generic_iterator_t prev = %s;', _c_iterator_get_end(field.prev_varsized_field, 'R'))
- _c(' return (%s) ((char *) prev.data + XCB_TYPE_PAD(%s, prev.index) + %d);',
+ _c(' return (%s) ((char *) prev.data + XCB_TYPE_PAD(%s, prev.index) + %d);',
return_type, type_pad_type(field.first_field_after_varsized.type.c_type), field.prev_varsized_offset)
_c('}')
-
+
def _c_accessors_list(self, field):
'''
Declares the accessor functions for a list field.
@@ -1555,7 +1555,7 @@ def _c_accessors_list(self, field):
# in case of switch, 2 params have to be supplied to certain accessor functions:
# 1. the anchestor object (request or reply)
# 2. the (anchestor) switch object
- # the reason is that switch is either a child of a request/reply or nested in another switch,
+ # the reason is that switch is either a child of a request/reply or nested in another switch,
# so whenever we need to access a length field, we might need to refer to some anchestor type
switch_obj = self if self.is_switch else None
if self.is_bitcase:
@@ -1566,14 +1566,14 @@ def _c_accessors_list(self, field):
params = []
fields = {}
parents = self.parents if hasattr(self, 'parents') else [self]
- # 'R': parents[0] is always the 'toplevel' container type
+ # 'R': parents[0] is always the 'toplevel' container type
params.append(('const %s *R' % parents[0].c_type, parents[0]))
fields.update(_c_helper_field_mapping(parents[0], [('R', '->', parents[0])], flat=True))
# auxiliary object for 'R' parameters
R_obj = parents[0]
if switch_obj is not None:
- # now look where the fields are defined that are needed to evaluate
+ # now look where the fields are defined that are needed to evaluate
# the switch expr, and store the parent objects in accessor_params and
# the fields in switch_fields
@@ -1588,7 +1588,7 @@ def _c_accessors_list(self, field):
# look for fields in the remaining containers
for p in parents[2:] + [self]:
- # the separator between parent and child is always '.' here,
+ # the separator between parent and child is always '.' here,
# because of nested switch statements
if not p.is_bitcase or (p.is_bitcase and p.has_name):
prefix.append((p.name[-1], '.', p))
@@ -1624,7 +1624,7 @@ def _c_accessors_list(self, field):
_c(' return (%s *) (R + 1);', field.c_field_type)
else:
_c(' xcb_generic_iterator_t prev = %s;', _c_iterator_get_end(field.prev_varsized_field, 'R'))
- _c(' return (%s *) ((char *) prev.data + XCB_TYPE_PAD(%s, prev.index) + %d);',
+ _c(' return (%s *) ((char *) prev.data + XCB_TYPE_PAD(%s, prev.index) + %d);',
field.c_field_type, type_pad_type(field.first_field_after_varsized.type.c_type), field.prev_varsized_offset)
_c('}')
@@ -1677,18 +1677,18 @@ def _c_accessors_list(self, field):
_c('%s (const %s *R /**< */)', field.c_end_name, c_type)
_c('{')
_c(' xcb_generic_iterator_t i;')
-
+
param = 'R' if switch_obj is None else 'S'
if switch_obj is not None:
- _c(' i.data = %s + %s;', fields[field.c_field_name][0],
+ _c(' i.data = %s + %s;', fields[field.c_field_name][0],
_c_accessor_get_expr(field.type.expr, fields))
elif field.prev_varsized_field == None:
- _c(' i.data = ((%s *) (R + 1)) + (%s);', field.type.c_wiretype,
+ _c(' i.data = ((%s *) (R + 1)) + (%s);', field.type.c_wiretype,
_c_accessor_get_expr(field.type.expr, fields))
else:
- _c(' xcb_generic_iterator_t child = %s;',
+ _c(' xcb_generic_iterator_t child = %s;',
_c_iterator_get_end(field.prev_varsized_field, 'R'))
- _c(' i.data = ((%s *) child.data) + (%s);', field.type.c_wiretype,
+ _c(' i.data = ((%s *) child.data) + (%s);', field.type.c_wiretype,
_c_accessor_get_expr(field.type.expr, fields))
_c(' i.rem = 0;')
@@ -1728,7 +1728,7 @@ def _c_accessors_list(self, field):
_c(' i.data = (%s *) (R + 1);', field.c_field_type)
else:
_c(' xcb_generic_iterator_t prev = %s;', _c_iterator_get_end(field.prev_varsized_field, 'R'))
- _c(' i.data = (%s *) ((char *) prev.data + XCB_TYPE_PAD(%s, prev.index));',
+ _c(' i.data = (%s *) ((char *) prev.data + XCB_TYPE_PAD(%s, prev.index));',
field.c_field_type, type_pad_type(field.c_field_type))
if switch_obj is None:
_c(' i.rem = %s;', _c_accessor_get_expr(field.type.expr, fields))
@@ -1740,7 +1740,7 @@ def _c_accessors(self, name, base):
'''
Declares the accessor functions for the fields of a structure.
'''
- # no accessors for switch itself -
+ # no accessors for switch itself -
# switch always needs to be unpacked explicitly
# if self.is_switch:
# pass
@@ -1792,7 +1792,7 @@ def _c_complex(self, force_packed = False):
continue
if field.wire:
struct_fields.append(field)
-
+
for field in struct_fields:
length = len(field.c_field_type)
# account for '*' pointer_spec
@@ -1905,9 +1905,9 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f
wire_fields.append(field)
if field.type.need_serialize or field.type.need_sizeof:
serial_fields.append(field)
-
+
for field in param_fields:
- c_field_const_type = field.c_field_const_type
+ c_field_const_type = field.c_field_const_type
if field.type.need_serialize and not aux:
c_field_const_type = "const void"
if len(c_field_const_type) > maxtypelen:
@@ -1992,7 +1992,7 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f
_hc(' ** @param xcb_connection_t%s *c', spacing)
for field in param_fields:
- c_field_const_type = field.c_field_const_type
+ c_field_const_type = field.c_field_const_type
if field.type.need_serialize and not aux:
c_field_const_type = "const void"
spacing = ' ' * (maxtypelen - len(c_field_const_type))
@@ -2014,17 +2014,17 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f
count = len(param_fields)
for field in param_fields:
count = count - 1
- c_field_const_type = field.c_field_const_type
+ c_field_const_type = field.c_field_const_type
c_pointer = field.c_pointer
if field.type.need_serialize and not aux:
c_field_const_type = "const void"
c_pointer = '*'
spacing = ' ' * (maxtypelen - len(c_field_const_type))
comma = ',' if count else ');'
- _h('%s%s%s %s%s /**< */%s', func_spacing, c_field_const_type,
+ _h('%s%s%s %s%s /**< */%s', func_spacing, c_field_const_type,
spacing, c_pointer, field.c_field_name, comma)
comma = ',' if count else ')'
- _c('%s%s%s %s%s /**< */%s', func_spacing, c_field_const_type,
+ _c('%s%s%s %s%s /**< */%s', func_spacing, c_field_const_type,
spacing, c_pointer, field.c_field_name, comma)
count = 2
@@ -2052,7 +2052,7 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f
if self.var_followed_by_fixed_fields:
_c(' /* in the protocol description, variable size fields are followed by fixed size fields */')
_c(' void *xcb_aux = 0;')
-
+
for idx, f in enumerate(serial_fields):
if aux:
@@ -2063,8 +2063,8 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f
_c(' char *xcb_tmp;')
_c(' ')
# simple request call tracing
-# _c(' printf("in function %s\\n");' % func_name)
-
+# _c(' printf("in function %s\\n");' % func_name)
+
# fixed size fields
for field in wire_fields:
if field.type.fixed_size():
@@ -2082,8 +2082,8 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f
_c(' memcpy(xcb_out.%s, %s, %d);', field.c_field_name, field.c_field_name, field.type.nmemb)
def get_serialize_args(type_obj, c_field_name, aux_var, context='serialize'):
- serialize_args = get_serialize_params(context, type_obj,
- c_field_name,
+ serialize_args = get_serialize_params(context, type_obj,
+ c_field_name,
aux_var)[2]
return reduce(lambda x,y: "%s, %s" % (x,y), [a[2] for a in serialize_args])
@@ -2107,21 +2107,21 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f
_c(' xcb_parts[%d].iov_base = (char *) %s;', count, field.c_field_name)
if field.type.is_list:
if field.type.member.fixed_size():
- _c(' xcb_parts[%d].iov_len = %s * sizeof(%s);', count,
- _c_accessor_get_expr(field.type.expr, None),
+ _c(' xcb_parts[%d].iov_len = %s * sizeof(%s);', count,
+ _c_accessor_get_expr(field.type.expr, None),
field.type.member.c_wiretype)
else:
list_length = _c_accessor_get_expr(field.type.expr, None)
-
+
length = ''
_c(" xcb_parts[%d].iov_len = 0;" % count)
_c(" xcb_tmp = (char *)%s;", field.c_field_name)
_c(" for(i=0; i<%s; i++) {" % list_length)
- _c(" xcb_tmp_len = %s(xcb_tmp);" %
+ _c(" xcb_tmp_len = %s(xcb_tmp);" %
(field.type.c_sizeof_name))
_c(" xcb_parts[%d].iov_len += xcb_tmp_len;" % count)
_c(" xcb_tmp += xcb_tmp_len;")
- _c(" }")
+ _c(" }")
else:
# not supposed to happen
raise Exception("unhandled variable size field %s" % field.c_field_name)
@@ -2153,7 +2153,7 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f
else:
_c(' xcb_parts[2].iov_base = (char *) &xcb_out;')
# request header: opcodes + length
- _c(' xcb_parts[2].iov_len = 2*sizeof(uint8_t) + sizeof(uint16_t);')
+ _c(' xcb_parts[2].iov_len = 2*sizeof(uint8_t) + sizeof(uint16_t);')
count += 1
# call _serialize()
buffer_var = '&xcb_aux'
@@ -2167,9 +2167,9 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f
for field in param_fields:
if field.isfd:
_c(' xcb_send_fd(c, %s);', field.c_field_name)
-
+
_c(' xcb_ret.sequence = xcb_send_request(c, %s, xcb_parts + 2, &xcb_req);', func_flags)
-
+
# free dyn. all. data, if any
for f in free_calls:
_c(f)
@@ -2183,7 +2183,7 @@ def _c_reply(self, name):
spacing1 = ' ' * (len(self.c_cookie_type) - len('xcb_connection_t'))
spacing2 = ' ' * (len(self.c_cookie_type) - len('xcb_generic_error_t'))
spacing3 = ' ' * (len(self.c_reply_name) + 2)
-
+
# check if _unserialize() has to be called for any field
def look_for_special_cases(complex_obj):
unserialize_fields = []
@@ -2203,9 +2203,9 @@ def _c_reply(self, name):
if field.type.member.is_container:
unserialize_fields += look_for_special_cases(field.type.member)
return unserialize_fields
-
+
unserialize_fields = look_for_special_cases(self.reply)
-
+
_h('')
_h('/**')
_h(' * Return the reply')
@@ -2240,10 +2240,10 @@ def _c_reply(self, name):
_h('%sxcb_generic_error_t%s **e /**< */);', spacing3, spacing2)
_c('%sxcb_generic_error_t%s **e /**< */)', spacing3, spacing2)
_c('{')
-
+
if len(unserialize_fields)>0:
# certain variable size fields need to be unserialized explicitly
- _c(' %s *reply = (%s *) xcb_wait_for_reply(c, cookie.sequence, e);',
+ _c(' %s *reply = (%s *) xcb_wait_for_reply(c, cookie.sequence, e);',
self.c_reply_type, self.c_reply_type)
_c(' int i;')
for field in unserialize_fields:
@@ -2259,13 +2259,13 @@ def _c_reply(self, name):
if field.type.is_list:
_c(' for(i=0; i<%s_len; i++) {', field.c_field_name)
_c(' %s_data = %s_iter.data;', field.c_field_name, field.c_field_name)
- _c(' %s((const void *)%s_data, &%s_data);', field.type.c_unserialize_name,
+ _c(' %s((const void *)%s_data, &%s_data);', field.type.c_unserialize_name,
field.c_field_name, field.c_field_name)
_c(' %s(&%s_iter);', field.type.c_next_name, field.c_field_name)
_c(' }')
# return the transformed reply
_c(' return reply;')
-
+
else:
_c(' return (%s *) xcb_wait_for_reply(c, cookie.sequence, e);', self.c_reply_type)
@@ -2310,11 +2310,11 @@ def _c_reply_fds(self, name):
_h('%s%s *reply /**< */);', spacing3, self.c_reply_type)
_c('%s%s *reply /**< */)', spacing3, self.c_reply_type)
_c('{')
-
+
_c(' return xcb_get_reply_fds(c, reply, sizeof(%s) + 4 * reply->length);', self.c_reply_type)
_c('}')
-
+
def _c_opcode(name, opcode):
'''
@@ -2324,7 +2324,7 @@ def _c_opcode(name, opcode):
_h('')
_h('/** Opcode for %s. */', _n(name))
_h('#define %s %s', _n(name).upper(), opcode)
-
+
def _c_cookie(self, name):
'''
Declares the cookie type for a non-void request.
@@ -2971,7 +2971,7 @@ output = {'open' : c_open,
'union' : c_union,
'request' : c_request,
'event' : c_event,
- 'error' : c_error,
+ 'error' : c_error,
}
# Boilerplate below this point
--
1.9.0
More information about the Xcb
mailing list