diff options
Diffstat (limited to 'libxcb/src')
| -rw-r--r-- | libxcb/src/c_client.py | 584 | ||||
| -rw-r--r-- | libxcb/src/xcb.h | 4 |
2 files changed, 231 insertions, 357 deletions
diff --git a/libxcb/src/c_client.py b/libxcb/src/c_client.py index b1d6d07a1..54e56c42d 100644 --- a/libxcb/src/c_client.py +++ b/libxcb/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)') @@ -202,7 +202,7 @@ def c_open(self): _h('') _h('#define XCB_%s_MAJOR_VERSION %s', _ns.ext_name.upper(), _ns.major_version) _h('#define XCB_%s_MINOR_VERSION %s', _ns.ext_name.upper(), _ns.minor_version) - _h(' ') #XXX + _h('') #XXX _h('extern xcb_extension_t %s;', _ns.c_ext_global_name) _c('') @@ -305,9 +305,9 @@ def _c_type_setup(self, name, postfix): self.c_cookie_type = _t(name + ('cookie',)) self.c_reply_fds_name = _n(name + ('reply_fds',)) - self.need_aux = False - self.need_serialize = False - self.need_sizeof = False + self.c_need_aux = False + self.c_need_serialize = False + self.c_need_sizeof = False self.c_aux_name = _n(name + ('aux',)) self.c_aux_checked_name = _n(name + ('aux', 'checked')) @@ -318,10 +318,10 @@ def _c_type_setup(self, name, postfix): self.c_sizeof_name = _n(name + ('sizeof',)) # special case: structs where variable size fields are followed by fixed size fields - self.var_followed_by_fixed_fields = False + self.c_var_followed_by_fixed_fields = False if self.is_switch: - self.need_serialize = True + self.c_need_serialize = True self.c_container = 'struct' for bitcase in self.bitcases: bitcase.c_field_name = _cpp(bitcase.field_name) @@ -339,8 +339,8 @@ 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): - self.need_sizeof = True + if (field.type.nmemb is None): + self.c_need_sizeof = True field.c_field_type = _t(field.field_type) field.c_field_const_type = ('' if field.type.nmemb == 1 else 'const ') + field.c_field_type @@ -357,9 +357,9 @@ def _c_type_setup(self, name, postfix): if field.type.is_switch: field.c_pointer = '*' field.c_field_const_type = 'const ' + field.c_field_type - self.need_aux = True + self.c_need_aux = True elif not field.type.fixed_size() and not field.type.is_bitcase: - self.need_sizeof = True + self.c_need_sizeof = True field.c_iterator_type = _t(field.field_type + ('iterator',)) # xcb_fieldtype_iterator_t field.c_iterator_name = _n(name + (field.field_name, 'iterator')) # xcb_container_field_iterator @@ -379,22 +379,22 @@ def _c_type_setup(self, name, postfix): # special case: intermixed fixed and variable size fields if prev_varsized_field is not None and not field.type.is_pad and field.wire: if not self.is_union: - self.need_serialize = True - self.var_followed_by_fixed_fields = True + self.c_need_serialize = True + self.c_var_followed_by_fixed_fields = True 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 self.c_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 - self.need_sizeof = True - # as switch does never appear at toplevel, + if self.c_need_serialize: + # when _unserialize() is wanted, create _sizeof() as well for consistency reasons + self.c_need_sizeof = True + + # as switch does never appear at toplevel, # continue here with type construction if self.is_switch: if self.c_type not in finished_switch: @@ -404,11 +404,11 @@ 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: - if self.need_serialize: + if self.c_need_serialize: if self.c_serialize_name not in finished_serializers: finished_serializers.append(self.c_serialize_name) _c_serialize('serialize', self) @@ -416,10 +416,10 @@ def _c_type_setup(self, name, postfix): # _unpack() and _unserialize() are only needed for special cases: # switch -> unpack # special cases -> unserialize - if self.is_switch or self.var_followed_by_fixed_fields: + if self.is_switch or self.c_var_followed_by_fixed_fields: _c_serialize('unserialize', self) - - if self.need_sizeof: + + if self.c_need_sizeof: if self.c_sizeof_name not in finished_sizeof: if not module.namespace.is_ext or self.name[:2] == module.namespace.prefix: finished_sizeof.append(self.c_sizeof_name) @@ -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) @@ -896,25 +896,25 @@ 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: + if self.c_var_followed_by_fixed_fields and 'unserialize' == context: value = ' %s = (%s *)xcb_tmp;' % (field.c_field_name, field.c_field_type) temp_vars.append(' %s *%s;' % (field.type.c_type, field.c_field_name)) # 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 self.is_bitcase or self.c_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, -# self.var_followed_by_fixed_fields) +# count += _c_serialize_helper_insert_padding(context, code_lines, space, +# self.c_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 @@ -984,37 +984,37 @@ 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, - self.var_followed_by_fixed_fields) + count += _c_serialize_helper_insert_padding(context, code_lines, space, + self.c_var_followed_by_fixed_fields) continue else: # switch/bitcase: always calculate padding before and after variable sized fields if need_padding or is_bitcase: count += _c_serialize_helper_insert_padding(context, code_lines, space, - self.var_followed_by_fixed_fields) + self.c_var_followed_by_fixed_fields) value, length = _c_serialize_helper_fields_variable_size(context, self, field, 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: + if is_bitcase or self.c_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 - self.var_followed_by_fixed_fields and 'unserialize' == context): + if (not field.type.fixed_size() and + self.c_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)) code_lines.append('%s xcb_block_len += %s_len;' % (space, field.c_field_name)) @@ -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)) @@ -1034,14 +1034,14 @@ def _c_serialize_helper_fields(context, self, code_lines.append('%s xcb_align_to = ALIGNOF(%s);' % (space, 'char' if field.c_field_type == 'void' else field.c_field_type)) need_padding = True - if self.var_followed_by_fixed_fields: + if self.c_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 @@ -1051,38 +1051,38 @@ def _c_serialize_helper(context, complex_type, complex_name = complex_type.name else: self = complex_type - if self.var_followed_by_fixed_fields and 'unserialize' == context: + if self.c_var_followed_by_fixed_fields and 'unserialize' == context: 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: + if context in ('unserialize', 'unpack', 'sizeof') and not self.c_var_followed_by_fixed_fields: code_lines.append('%s xcb_block_len += sizeof(%s);' % (space, self.c_type)) code_lines.append('%s xcb_tmp += xcb_block_len;' % space) 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) @@ -1136,7 +1136,7 @@ def _c_serialize(context, self): prefix = [] if 'serialize' == context: - if not self.is_switch and not self.var_followed_by_fixed_fields: + if not self.is_switch and not self.c_var_followed_by_fixed_fields: _c(' %s *xcb_out = *_buffer;', self.c_type) _c(' unsigned int xcb_out_pad = -sizeof(%s) & 3;', self.c_type) _c(' unsigned int xcb_buffer_len = sizeof(%s) + xcb_out_pad;', self.c_type) @@ -1151,7 +1151,7 @@ def _c_serialize(context, self): elif context in ('unserialize', 'unpack'): _c(' char *xcb_tmp = (char *)_buffer;') if not self.is_switch: - if not self.var_followed_by_fixed_fields: + if not self.c_var_followed_by_fixed_fields: _c(' const %s *_aux = (%s *)_buffer;', self.c_type, self.c_type) prefix = [('_aux', '->', self)] else: @@ -1177,7 +1177,7 @@ def _c_serialize(context, self): _c(' return %s(%s, &_aux);', self.c_unpack_name, reduce(lambda x,y: "%s, %s" % (x, y), param_names)) _c('}') return - elif self.var_followed_by_fixed_fields: + elif self.c_var_followed_by_fixed_fields: # special case: call _unserialize() _c(' return %s(%s, NULL);', self.c_unserialize_name, reduce(lambda x,y: "%s, %s" % (x, y), param_names)) _c('}') @@ -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;') @@ -1200,18 +1200,18 @@ def _c_serialize(context, self): elif 'sizeof' == context: # neither switch nor intermixed fixed and variable size fields: # evaluate parameters directly - if not (self.is_switch or self.var_followed_by_fixed_fields): + if not (self.is_switch or self.c_var_followed_by_fixed_fields): # look if we have to declare an '_aux' variable at all if len(list(filter(lambda x: x.find('_aux')!=-1, code_lines)))>0: - if not self.var_followed_by_fixed_fields: + if not self.c_var_followed_by_fixed_fields: _c(' const %s *_aux = (%s *)_buffer;', self.c_type, self.c_type) else: _c(' %s *_aux = malloc(sizeof(%s));', self.c_type, self.c_type) _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 @@ -1242,13 +1242,13 @@ def _c_serialize(context, self): # serialize: handle variable size fields in a loop if 'serialize' == context: - if not self.is_switch and not self.var_followed_by_fixed_fields: + if not self.is_switch and not self.c_var_followed_by_fixed_fields: if len(wire_fields)>0: _c(' *xcb_out = *_aux;') # copy variable size fields into the buffer if variable_size_fields > 0: # xcb_out padding - if not self.is_switch and not self.var_followed_by_fixed_fields: + if not self.is_switch and not self.c_var_followed_by_fixed_fields: _c(' xcb_tmp = (char*)++xcb_out;') _c(' xcb_tmp += xcb_out_pad;') else: @@ -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('}') @@ -1320,16 +1320,6 @@ def _c_iterator(self, name): _h(' * element. The member index is increased by sizeof(%s)', self.c_type) _h(' */') _c('') - _hc('') - _hc('/*****************************************************************************') - _hc(' **') - _hc(' ** void %s', self.c_next_name) - _hc(' ** ') - _hc(' ** @param %s *i', self.c_iterator_type) - _hc(' ** @returns void') - _hc(' **') - _hc(' *****************************************************************************/') - _hc(' ') _hc('void') _h('%s (%s *i /**< */);', self.c_next_name, self.c_iterator_type) _c('%s (%s *i /**< */)', self.c_next_name, self.c_iterator_type) @@ -1340,11 +1330,11 @@ 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: + if self.c_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: @@ -1371,16 +1361,6 @@ def _c_iterator(self, name): _h(' * last element.') _h(' */') _c('') - _hc('') - _hc('/*****************************************************************************') - _hc(' **') - _hc(' ** xcb_generic_iterator_t %s', self.c_end_name) - _hc(' ** ') - _hc(' ** @param %s i', self.c_iterator_type) - _hc(' ** @returns xcb_generic_iterator_t') - _hc(' **') - _hc(' *****************************************************************************/') - _hc(' ') _hc('xcb_generic_iterator_t') _h('%s (%s i /**< */);', self.c_end_name, self.c_iterator_type) _c('%s (%s i /**< */)', self.c_end_name, self.c_iterator_type) @@ -1404,7 +1384,7 @@ 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 +1393,7 @@ 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 +1407,7 @@ 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 +1440,8 @@ 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 + ')' @@ -1488,16 +1468,6 @@ def _c_accessors_field(self, field): if field.type.is_simple: _hc('') - _hc('') - _hc('/*****************************************************************************') - _hc(' ** ') - _hc(' ** %s %s', field.c_field_type, field.c_accessor_name) - _hc(' ** ') - _hc(' ** @param const %s *R', c_type) - _hc(' ** @returns %s', field.c_field_type) - _hc(' **') - _hc(' *****************************************************************************/') - _hc(' ') _hc('%s', field.c_field_type) _h('%s (const %s *R /**< */);', field.c_accessor_name, c_type) _c('%s (const %s *R /**< */)', field.c_accessor_name, c_type) @@ -1506,21 +1476,11 @@ 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: _hc('') - _hc('') - _hc('/*****************************************************************************') - _hc(' **') - _hc(' ** %s * %s', field.c_field_type, field.c_accessor_name) - _hc(' ** ') - _hc(' ** @param const %s *R', c_type) - _hc(' ** @returns %s *', field.c_field_type) - _hc(' **') - _hc(' *****************************************************************************/') - _hc(' ') if field.type.is_switch and switch_obj is None: return_type = 'void *' else: @@ -1533,15 +1493,15 @@ 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. @@ -1566,7 +1526,7 @@ 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: @@ -1577,14 +1537,14 @@ 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 @@ -1599,7 +1559,7 @@ 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)) @@ -1613,16 +1573,6 @@ def _c_accessors_list(self, field): if list.member.fixed_size(): idx = 1 if switch_obj is not None else 0 _hc('') - _hc('') - _hc('/*****************************************************************************') - _hc(' **') - _hc(' ** %s * %s', field.c_field_type, field.c_accessor_name) - _hc(' ** ') - _hc(' ** @param %s', params[idx][0]) - _hc(' ** @returns %s *', field.c_field_type) - _hc(' **') - _hc(' *****************************************************************************/') - _hc(' ') _hc('%s *', field.c_field_type) _h('%s (%s /**< */);', field.c_accessor_name, params[idx][0]) @@ -1647,16 +1597,6 @@ def _c_accessors_list(self, field): _c('}') _hc('') - _hc('') - _hc('/*****************************************************************************') - _hc(' **') - _hc(' ** int %s', field.c_length_name) - _hc(' ** ') - _hc(' ** @param const %s *R', c_type) - _hc(' ** @returns int') - _hc(' **') - _hc(' *****************************************************************************/') - _hc(' ') _hc('int') if switch_obj is not None: _hc('%s (const %s *R /**< */,', field.c_length_name, R_obj.c_type) @@ -1674,16 +1614,6 @@ def _c_accessors_list(self, field): if field.type.member.is_simple: _hc('') - _hc('') - _hc('/*****************************************************************************') - _hc(' **') - _hc(' ** xcb_generic_iterator_t %s', field.c_end_name) - _hc(' ** ') - _hc(' ** @param const %s *R', c_type) - _hc(' ** @returns xcb_generic_iterator_t') - _hc(' **') - _hc(' *****************************************************************************/') - _hc(' ') _hc('xcb_generic_iterator_t') if switch_obj is not None: _hc('%s (const %s *R /**< */,', field.c_end_name, R_obj.c_type) @@ -1695,18 +1625,18 @@ 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;') @@ -1716,17 +1646,6 @@ def _c_accessors_list(self, field): else: _hc('') - _hc('') - _hc('/*****************************************************************************') - _hc(' **') - _hc(' ** %s %s', field.c_iterator_type, field.c_iterator_name) - _hc(' ** ') - _hc(' ** @param const %s *R', c_type) - _hc(' ** @returns %s', field.c_iterator_type) - _hc(' **') - _hc(' *****************************************************************************/') - _hc(' ') - _hc('%s', field.c_iterator_type) if switch_obj is not None: _hc('%s (const %s *R /**< */,', field.c_iterator_name, R_obj.c_type) @@ -1766,7 +1685,7 @@ 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 @@ -1818,7 +1737,7 @@ 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 @@ -1929,12 +1848,12 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f if field.wire and not field.auto: # We need to set the field up in the structure wire_fields.append(field) - if field.type.need_serialize or field.type.need_sizeof: + if field.type.c_need_serialize or field.type.c_need_sizeof: serial_fields.append(field) - + for field in param_fields: - c_field_const_type = field.c_field_const_type - if field.type.need_serialize and not aux: + c_field_const_type = field.c_field_const_type + if field.type.c_need_serialize and not aux: c_field_const_type = "const void" if len(c_field_const_type) > maxtypelen: maxtypelen = len(c_field_const_type) @@ -1997,7 +1916,7 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f _h(' * No description yet') else: _h(' * Delivers a request to the X server.') - _h(' * ') + _h(' *') if checked: _h(' * This form can be used only if the request will not cause') _h(' * a reply to be generated. Any returned error will be') @@ -2008,26 +1927,6 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f _h(' * placed in the event queue.') _h(' */') _c('') - _hc('') - _hc('/*****************************************************************************') - _hc(' **') - _hc(' ** %s %s', cookie_type, func_name) - _hc(' ** ') - - spacing = ' ' * (maxtypelen - len('xcb_connection_t')) - _hc(' ** @param xcb_connection_t%s *c', spacing) - - for field in param_fields: - 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)) - _hc(' ** @param %s%s %s%s', c_field_const_type, spacing, field.c_pointer, field.c_field_name) - - _hc(' ** @returns %s', cookie_type) - _hc(' **') - _hc(' *****************************************************************************/') - _hc(' ') _hc('%s', cookie_type) spacing = ' ' * (maxtypelen - len('xcb_connection_t')) @@ -2040,25 +1939,25 @@ 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: + if field.type.c_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 - if not self.var_followed_by_fixed_fields: + if not self.c_var_followed_by_fixed_fields: for field in param_fields: if not field.type.fixed_size(): count = count + 2 - if field.type.need_serialize: + if field.type.c_need_serialize: # _serialize() keeps track of padding automatically count -= 1 dimension = count + 2 @@ -2070,15 +1969,15 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f _c(' /* opcode */ %s,', self.c_request_name.upper()) _c(' /* isvoid */ %d', 1 if void else 0) _c(' };') - _c(' ') + _c('') _c(' struct iovec xcb_parts[%d];', dimension) _c(' %s xcb_ret;', func_cookie) _c(' %s xcb_out;', self.c_type) - if self.var_followed_by_fixed_fields: + if self.c_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: @@ -2087,10 +1986,10 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f _c(' unsigned int i;') _c(' unsigned int xcb_tmp_len;') _c(' char *xcb_tmp;') - _c(' ') + _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(): @@ -2108,16 +2007,16 @@ 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]) # calls in order to free dyn. all. memory free_calls = [] - _c(' ') - if not self.var_followed_by_fixed_fields: + _c('') + if not self.c_var_followed_by_fixed_fields: _c(' xcb_parts[2].iov_base = (char *) &xcb_out;') _c(' xcb_parts[2].iov_len = sizeof(xcb_out);') _c(' xcb_parts[3].iov_base = 0;') @@ -2129,25 +2028,25 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f if not field.type.fixed_size(): _c(' /* %s %s */', field.type.c_type, field.c_field_name) # default: simple cast to char * - if not field.type.need_serialize and not field.type.need_sizeof: + if not field.type.c_need_serialize and not field.type.c_need_sizeof: _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) @@ -2157,7 +2056,7 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f idx = serial_fields.index(field) aux_var = '&xcb_aux%d' % idx context = 'serialize' if aux else 'sizeof' - _c(' xcb_parts[%d].iov_len = ', count) + _c(' xcb_parts[%d].iov_len =', count) if aux: serialize_args = get_serialize_args(field.type, aux_var, field.c_field_name, context) _c(' %s (%s);', field.type.c_serialize_name, serialize_args) @@ -2169,17 +2068,17 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f _c(' %s (%s);', func_name, serialize_args) count += 1 - if not (field.type.need_serialize or field.type.need_sizeof): + if not (field.type.c_need_serialize or field.type.c_need_sizeof): # the _serialize() function keeps track of padding automatically _c(' xcb_parts[%d].iov_base = 0;', count) _c(' xcb_parts[%d].iov_len = -xcb_parts[%d].iov_len & 3;', count, count-1) count += 1 - # elif self.var_followed_by_fixed_fields: + # elif self.c_var_followed_by_fixed_fields: 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' @@ -2189,13 +2088,13 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f free_calls.append(' free(xcb_aux);') # no padding necessary - _serialize() keeps track of padding automatically - _c(' ') + _c('') 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) @@ -2209,7 +2108,7 @@ 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 = [] @@ -2219,19 +2118,19 @@ def _c_reply(self, name): # three cases: 1. field with special case # 2. container that contains special case field # 3. list with special case elements - if field.type.var_followed_by_fixed_fields: + if field.type.c_var_followed_by_fixed_fields: unserialize_fields.append(field) elif field.type.is_container: unserialize_fields += look_for_special_cases(field.type) elif field.type.is_list: - if field.type.member.var_followed_by_fixed_fields: + if field.type.member.c_var_followed_by_fixed_fields: unserialize_fields.append(field) 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') @@ -2240,7 +2139,7 @@ def _c_reply(self, name): _h(' * @param e The xcb_generic_error_t supplied') _h(' *') _h(' * Returns the reply of the request asked by') - _h(' * ') + _h(' *') _h(' * The parameter @p e supplied to this function must be NULL if') _h(' * %s(). is used.', self.c_unchecked_name) _h(' * Otherwise, it stores the error if any.') @@ -2248,28 +2147,16 @@ def _c_reply(self, name): _h(' * The returned value must be freed by the caller using free().') _h(' */') _c('') - _hc('') - _hc('/*****************************************************************************') - _hc(' **') - _hc(' ** %s * %s', self.c_reply_type, self.c_reply_name) - _hc(' ** ') - _hc(' ** @param xcb_connection_t%s *c', spacing1) - _hc(' ** @param %s cookie', self.c_cookie_type) - _hc(' ** @param xcb_generic_error_t%s **e', spacing2) - _hc(' ** @returns %s *', self.c_reply_type) - _hc(' **') - _hc(' *****************************************************************************/') - _hc(' ') _hc('%s *', self.c_reply_type) _hc('%s (xcb_connection_t%s *c /**< */,', self.c_reply_name, spacing1) _hc('%s%s cookie /**< */,', spacing3, self.c_cookie_type) _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: @@ -2285,13 +2172,13 @@ 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) @@ -2316,31 +2203,20 @@ def _c_reply_fds(self, name): _h(' * @param reply The reply') _h(' *') _h(' * Returns the array of reply fds of the request asked by') - _h(' * ') + _h(' *') _h(' * The returned value must be freed by the caller using free().') _h(' */') _c('') - _hc('') - _hc('/*****************************************************************************') - _hc(' **') - _hc(' ** int * %s', self.c_reply_fds_name) - _hc(' ** ') - _hc(' ** @param xcb_connection_t%s *c', spacing1) - _hc(' ** @param %s *reply', self.c_reply_type) - _hc(' ** @returns int *') - _hc(' **') - _hc(' *****************************************************************************/') - _hc(' ') _hc('int *') _hc('%s (xcb_connection_t%s *c /**< */,', self.c_reply_fds_name, spacing1) _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): ''' @@ -2350,7 +2226,7 @@ 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. @@ -2401,7 +2277,7 @@ def _man_request(self, name, cookie_type, void, aux): c_pointer = field.c_pointer if c_pointer == ' ': c_pointer = '' - if field.type.need_serialize and not aux: + if field.type.c_need_serialize and not aux: c_field_const_type = "const void" c_pointer = '*' comma = ', ' if count else ');' @@ -2716,7 +2592,7 @@ def _man_request(self, name, cookie_type, void, aux): (cookie_type, self.c_reply_name, base_func_name, section)) f.write('.SH ERRORS\n') if hasattr(self, "doc") and self.doc: - for errtype, errtext in self.doc.errors.items(): + for errtype, errtext in sorted(self.doc.errors.items()): f.write('.IP \\fI%s\\fP 1i\n' % (_t(('xcb', errtype, 'error')))) errtext = re.sub(r'`([^`]+)`', r'\\fI\1\\fP', errtext) f.write('%s\n' % (errtext)) @@ -2734,7 +2610,7 @@ def _man_request(self, name, cookie_type, void, aux): see = ['.BR %s (%s)' % ('xcb-requests', section)] if self.doc.example: see.append('.BR %s (%s)' % ('xcb-examples', section)) - for seename, seetype in self.doc.see.items(): + for seename, seetype in sorted(self.doc.see.items()): if seetype == 'program': see.append('.BR %s (1)' % seename) elif seetype == 'event': @@ -2864,7 +2740,7 @@ def _man_event(self, name): see = ['.BR %s (%s)' % ('xcb_generic_event_t', section)] if self.doc.example: see.append('.BR %s (%s)' % ('xcb-examples', section)) - for seename, seetype in self.doc.see.items(): + for seename, seetype in sorted(self.doc.see.items()): if seetype == 'program': see.append('.BR %s (1)' % seename) elif seetype == 'event': @@ -2905,7 +2781,7 @@ def c_request(self, name): has_fds = _c_reply_has_fds(self.reply) _c_request_helper(self, name, self.c_cookie_type, False, True, False, has_fds) _c_request_helper(self, name, self.c_cookie_type, False, False, False, has_fds) - if self.need_aux: + if self.c_need_aux: _c_request_helper(self, name, self.c_cookie_type, False, True, True, has_fds) _c_request_helper(self, name, self.c_cookie_type, False, False, True, has_fds) # Reply accessors @@ -2917,7 +2793,7 @@ def c_request(self, name): # Request prototypes _c_request_helper(self, name, 'xcb_void_cookie_t', True, False) _c_request_helper(self, name, 'xcb_void_cookie_t', True, True) - if self.need_aux: + if self.c_need_aux: _c_request_helper(self, name, 'xcb_void_cookie_t', True, False, True) _c_request_helper(self, name, 'xcb_void_cookie_t', True, True, True) @@ -2997,7 +2873,7 @@ output = {'open' : c_open, 'union' : c_union, 'request' : c_request, 'event' : c_event, - 'error' : c_error, + 'error' : c_error, } # Boilerplate below this point @@ -3044,8 +2920,6 @@ except OSError as e: if e.errno != errno.EEXIST: raise -today = time.strftime('%Y-%m-%d', time.gmtime(os.path.getmtime(args[0]))) - # Parse the xml header module = Module(args[0], output) diff --git a/libxcb/src/xcb.h b/libxcb/src/xcb.h index 0bf59d00d..23fe74e9f 100644 --- a/libxcb/src/xcb.h +++ b/libxcb/src/xcb.h @@ -397,7 +397,7 @@ void xcb_discard_reply(xcb_connection_t *c, unsigned int sequence); * The result must not be freed. This storage is managed by the cache * itself. */ -const xcb_query_extension_reply_t *xcb_get_extension_data(xcb_connection_t *c, xcb_extension_t *ext); +const struct xcb_query_extension_reply_t *xcb_get_extension_data(xcb_connection_t *c, xcb_extension_t *ext); /** * @brief Prefetch of extension data into the extension cache @@ -433,7 +433,7 @@ void xcb_prefetch_extension_data(xcb_connection_t *c, xcb_extension_t *ext); * * The result must not be freed. */ -const xcb_setup_t *xcb_get_setup(xcb_connection_t *c); +const struct xcb_setup_t *xcb_get_setup(xcb_connection_t *c); /** * @brief Access the file descriptor of the connection. |