diff options
Diffstat (limited to 'libxcb/src/c_client.py')
| -rw-r--r-- | libxcb/src/c_client.py | 136 |
1 files changed, 47 insertions, 89 deletions
diff --git a/libxcb/src/c_client.py b/libxcb/src/c_client.py index 8a2900c62..e55fc3c6b 100644 --- a/libxcb/src/c_client.py +++ b/libxcb/src/c_client.py @@ -1,12 +1,9 @@ #!/usr/bin/env python -from xml.etree.cElementTree import * -from os.path import basename -from functools import reduce +from __future__ import print_function import getopt import os import sys import errno -import time import re # Jump to the bottom of this file for the main routine @@ -529,7 +526,6 @@ def _c_type_setup(self, name, postfix): if not module.namespace.is_ext or self.name[:2] == module.namespace.prefix: finished_sizeof.append(self.c_sizeof_name) _c_serialize('sizeof', self) -# _c_type_setup() # Functions for querying field properties def _c_field_needs_list_accessor(field): @@ -590,7 +586,6 @@ def _c_helper_fieldaccess_expr(prefix, field=None): prefix_str += last_sep + _cpp(field.field_name) return prefix_str -# _c_absolute_name def _c_helper_field_mapping(complex_type, prefix, flat=False): """ @@ -606,7 +601,7 @@ def _c_helper_field_mapping(complex_type, prefix, flat=False): else: bitcase_prefix = prefix - if (True==flat and not b.type.has_name) or False==flat: + if (flat and not b.type.has_name) or not flat: all_fields.update(_c_helper_field_mapping(b.type, bitcase_prefix, flat)) else: for f in complex_type.fields: @@ -615,7 +610,7 @@ def _c_helper_field_mapping(complex_type, prefix, flat=False): raise Exception("field name %s has been registered before" % f.field_name) all_fields[f.field_name] = (fname, f) - if f.type.is_container and flat==False: + if f.type.is_container and not flat: if f.type.is_case_or_bitcase and not f.type.has_name: new_prefix = prefix elif f.type.is_switch and len(f.type.parents)>1: @@ -626,7 +621,6 @@ def _c_helper_field_mapping(complex_type, prefix, flat=False): all_fields.update(_c_helper_field_mapping(f.type, new_prefix, flat)) return all_fields -# _c_field_mapping() def _c_helper_resolve_field_names (prefix): """ @@ -647,7 +641,6 @@ def _c_helper_resolve_field_names (prefix): all_fields.update(_c_helper_field_mapping(obj, tmp_prefix, flat=True)) return all_fields -# _c_helper_resolve_field_names def get_expr_fields(self): """ @@ -692,13 +685,12 @@ def get_expr_fields(self): prefix.append(('', '', self)) all_fields = _c_helper_resolve_field_names (prefix) - resolved_fields_names = list(filter(lambda x: x in all_fields.keys(), unresolved_fields_names)) + resolved_fields_names = [x for x in unresolved_fields_names if x in all_fields] 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() def resolve_expr_fields(complex_obj): """ @@ -721,7 +713,6 @@ def resolve_expr_fields(complex_obj): if e not in all_fields and e not in unresolved: unresolved.append(e) return unresolved -# resolve_expr_fields() def resolve_expr_fields_list(self, parents): """ @@ -825,7 +816,6 @@ def get_serialize_params(context, self, buffer_var='_buffer', aux_var='_aux'): add_param(params, (p.c_field_const_type, '*', p.c_field_name)) return (param_fields, wire_fields, params) -# get_serialize_params() def _c_serialize_helper_insert_padding(context, code_lines, space, postpone, is_case_or_bitcase): code_lines.append('%s /* insert padding */' % space) @@ -836,7 +826,6 @@ def _c_serialize_helper_insert_padding(context, code_lines, space, postpone, is_ else: code_lines.append( '%s xcb_pad = -xcb_block_len & (xcb_align_to - 1);' % space) -# code_lines.append('%s printf("automatically inserting padding: %%%%d\\n", xcb_pad);' % space) code_lines.append('%s xcb_buffer_len += xcb_block_len + xcb_pad;' % space) if not postpone: @@ -858,7 +847,6 @@ def _c_serialize_helper_insert_padding(context, code_lines, space, postpone, is_ # 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, @@ -911,14 +899,12 @@ def _c_serialize_helper_switch(context, self, complex_name, # code_lines.append('%s xcb_buffer_len += xcb_block_len + xcb_pad;' % space) return count -# _c_serialize_helper_switch def _c_serialize_helper_switch_field(context, self, field, c_switch_variable, prefix): """ handle switch by calling _serialize() or _unpack(), depending on context """ # switch is handled by this function as a special case - param_fields, wire_fields, params = get_serialize_params(context, self) field_mapping = _c_helper_field_mapping(self, prefix) prefix_str = _c_helper_fieldaccess_expr(prefix) @@ -955,7 +941,6 @@ def _c_serialize_helper_switch_field(context, self, field, c_switch_variable, pr length = "%s(xcb_tmp, %s)" % (field.type.c_sizeof_name, my_c_field_names) return length -# _c_serialize_helper_switch_field() def _c_get_additional_type_params(type): """ @@ -979,8 +964,8 @@ def _c_serialize_helper_list_field(context, self, field, 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)) + resolved = [x for x in expr_fields_names if x in param_names] + unresolved = [x for x in expr_fields_names if x not in param_names] field_mapping = {} for r in resolved: @@ -993,8 +978,8 @@ def _c_serialize_helper_list_field(context, self, field, 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)) + resolved += [x for x in unresolved if x in field_mapping] + unresolved = [x for x in unresolved if x not in field_mapping] if len(unresolved)>0: raise Exception('could not resolve the length fields required for list %s' % field.c_field_name) @@ -1040,7 +1025,6 @@ def _c_serialize_helper_list_field(context, self, field, 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, @@ -1050,7 +1034,7 @@ def _c_serialize_helper_fields_fixed_size(context, self, field, code_lines.append('%s /* %s.%s */' % (space, self.c_type, field.c_field_name)) else: scoped_name = [p[2].c_type if idx==0 else p[0] for idx, p in enumerate(prefix)] - typename = reduce(lambda x,y: "%s.%s" % (x, y), scoped_name) + typename = ".".join(scoped_name) code_lines.append('%s /* %s.%s */' % (space, typename, field.c_field_name)) abs_field_name = _c_helper_fieldaccess_expr(prefix, field) @@ -1110,7 +1094,6 @@ def _c_serialize_helper_fields_fixed_size(context, self, field, length = '%d' % field.type.nmemb return (value, length) -# _c_serialize_helper_fields_fixed_size() def _c_serialize_helper_fields_variable_size(context, self, field, code_lines, temp_vars, @@ -1163,7 +1146,6 @@ def _c_serialize_helper_fields_variable_size(context, self, field, length = "%s(%s)" % (field.type.c_sizeof_name, var_field_name) return (value, length) -# _c_serialize_helper_fields_variable_size def _c_serialize_helper_fields(context, self, code_lines, temp_vars, @@ -1265,7 +1247,6 @@ def _c_serialize_helper_fields(context, self, _c_pre.pop_indent() return count -# _c_serialize_helper_fields() def _c_serialize_helper(context, complex_type, code_lines, temp_vars, @@ -1305,7 +1286,6 @@ def _c_serialize_helper(context, complex_type, count += _c_serialize_helper_insert_padding(context, code_lines, space, False, self.is_switch) return count -# _c_serialize_helper() def _c_serialize(context, self): """ @@ -1339,8 +1319,7 @@ def _c_serialize(context, self): 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(len(p[0]) + len(p[1]) for p in params) # write to .c/.h indent = ' '*(len(func_name)+2) @@ -1351,7 +1330,7 @@ def _c_serialize(context, self): param_str.append("%s%s%s %s%s /**< */" % (indent, typespec, spacing, pointerspec, field_name)) # insert function name param_str[0] = "%s (%s" % (func_name, param_str[0].strip()) - param_str = list(map(lambda x: "%s," % x, param_str)) + param_str = ["%s," % x for x in param_str] for s in param_str[:-1]: _hc(s) _h("%s);" % param_str[-1].rstrip(',')) @@ -1407,13 +1386,13 @@ def _c_serialize(context, self): if self.is_switch: # switch: call _unpack() _c(' %s _aux;', self.c_type) - _c(' return %s(%s, &_aux);', self.c_unpack_name, reduce(lambda x,y: "%s, %s" % (x, y), param_names)) + _c(' return %s(%s, &_aux);', self.c_unpack_name, ", ".join(param_names)) _c('}') _c_pre.redirect_end() return 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(' return %s(%s, NULL);', self.c_unserialize_name, ", ".join(param_names)) _c('}') _c_pre.redirect_end() return @@ -1440,7 +1419,7 @@ def _c_serialize(context, self): 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 any('_aux' in x for x in code_lines): if not self.c_var_followed_by_fixed_fields: _c(' const %s *_aux = (%s *)_buffer;', self.c_type, self.c_type) else: @@ -1514,7 +1493,6 @@ def _c_serialize(context, self): _c('') _c(' return xcb_buffer_len;') _c('}') -# _c_serialize() def _c_iterator_get_end(field, accum): ''' @@ -1672,7 +1650,6 @@ def _c_accessor_get_expr(expr, field_mapping): return c_name elif expr.op == 'sumof': # locate the referenced list object - list_obj = expr.lenfield_type field = None for f in expr.lenfield_parent.fields: if f.field_name == expr.lenfield_name: @@ -1813,14 +1790,13 @@ def _c_accessors_list(self, field): ''' def get_align_pad(field): - prev = field.prev_varsized_field - prev_prev = field.prev_varsized_field.prev_varsized_field - - if (prev.type.is_pad and prev.type.align > 0 and prev_prev is not None): - return (prev_prev, '((-prev.index) & (%d - 1))' % prev.type.align) - else: - return (prev, None) + prev = field.prev_varsized_field + prev_prev = field.prev_varsized_field.prev_varsized_field + if prev.type.is_pad and prev.type.align > 0 and prev_prev is not None: + return (prev_prev, '((-prev.index) & (%d - 1))' % prev.type.align) + else: + return (prev, None) list = field.type c_type = self.c_type @@ -1857,8 +1833,7 @@ def _c_accessors_list(self, field): fields.update(_c_helper_field_mapping(toplevel_switch, [('S', '->', toplevel_switch)], flat=True)) # initialize prefix for everything "below" S - prefix_str = '/* %s */ S' % toplevel_switch.name[-1] - prefix = [(prefix_str, '->', toplevel_switch)] + prefix = [('S', '->', toplevel_switch)] # look for fields in the remaining containers for p in parents[2:] + [self]: @@ -2071,12 +2046,8 @@ def _c_complex(self, force_packed = False): struct_fields = [] maxtypelen = 0 - varfield = None for field in self.fields: - if not field.type.fixed_size() and not self.is_switch and not self.is_union: - varfield = field.c_field_name - continue - if field.wire: + if field.wire and (field.type.fixed_size() or self.is_switch or self.is_union): struct_fields.append(field) for field in struct_fields: @@ -2130,7 +2101,7 @@ def c_union(self, name): _c_complex(self) _c_iterator(self, name) -def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_fds=False): +def _c_request_helper(self, name, void, regular, aux=False, reply_fds=False): ''' Declares a request function. ''' @@ -2268,7 +2239,7 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f _h(' * placed in the event queue.') _h(' */') _c('') - _hc('%s', cookie_type) + _hc('%s', func_cookie) spacing = ' ' * (maxtypelen - len('xcb_connection_t')) comma = ',' if len(param_fields) else ');' @@ -2305,10 +2276,10 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f _c('{') _c(' static const xcb_protocol_request_t xcb_req = {') - _c(' /* count */ %d,', count) - _c(' /* ext */ %s,', func_ext_global) - _c(' /* opcode */ %s,', self.c_request_name.upper()) - _c(' /* isvoid */ %d', 1 if void else 0) + _c(' .count = %d,', count) + _c(' .ext = %s,', func_ext_global) + _c(' .opcode = %s,', self.c_request_name.upper()) + _c(' .isvoid = %d', 1 if void else 0) _c(' };') _c('') @@ -2328,8 +2299,6 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f _c(' unsigned int xcb_tmp_len;') _c(' char *xcb_tmp;') _c('') - # simple request call tracing -# _c(' printf("in function %s\\n");' % func_name) # fixed size fields for field in wire_fields: @@ -2351,7 +2320,7 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f 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]) + return ", ".join(a[2] for a in serialize_args) # calls in order to free dyn. all. memory free_calls = [] @@ -2379,7 +2348,6 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_f 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) @@ -2526,10 +2494,7 @@ def _c_reply(self, name): _c('}') def _c_reply_has_fds(self): - for field in self.fields: - if field.isfd: - return True - return False + return any(field.isfd for field in self.fields) def _c_reply_fds(self, name): ''' @@ -2581,7 +2546,7 @@ def _c_cookie(self, name): _h(' unsigned int sequence; /**< */') _h('} %s;', self.c_cookie_type) -def _man_request(self, name, cookie_type, void, aux): +def _man_request(self, name, void, aux): param_fields = [f for f in self.fields if f.visible] func_name = self.c_request_name if not aux else self.c_aux_name @@ -2627,7 +2592,8 @@ def _man_request(self, name, cookie_type, void, aux): f.write('.SS Request function\n') f.write('.HP\n') base_func_name = self.c_request_name if not aux else self.c_aux_name - f.write('%s \\fB%s\\fP(xcb_connection_t\\ *\\fIconn\\fP, %s\n' % (cookie_type, base_func_name, prototype)) + func_cookie = 'xcb_void_cookie_t' if void else self.c_cookie_type + f.write('%s \\fB%s\\fP(xcb_connection_t\\ *\\fIconn\\fP, %s\n' % (func_cookie, base_func_name, prototype)) create_link('%s_%s' % (base_func_name, ('checked' if void else 'unchecked'))) if not void: f.write('.PP\n') @@ -2674,8 +2640,7 @@ def _man_request(self, name, cookie_type, void, aux): for field in b.type.fields: _c_complex_field(self, field, space) if b.type.has_name: - print >> sys.stderr, 'ERROR: New unhandled documentation case' - pass + print('ERROR: New unhandled documentation case\n', file=sys.stderr) f.write('} \\fB%s\\fP;\n' % self.reply.c_type) f.write('.fi\n') @@ -2744,8 +2709,6 @@ def _man_request(self, name, cookie_type, void, aux): # 'R': parents[0] is always the 'toplevel' container type params.append(('const %s *\\fIreply\\fP' % 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 @@ -2758,8 +2721,7 @@ def _man_request(self, name, cookie_type, void, aux): fields.update(_c_helper_field_mapping(toplevel_switch, [('S', '->', toplevel_switch)], flat=True)) # initialize prefix for everything "below" S - prefix_str = '/* %s */ S' % toplevel_switch.name[-1] - prefix = [(prefix_str, '->', toplevel_switch)] + prefix = [('S', '->', toplevel_switch)] # look for fields in the remaining containers for p in parents[2:] + [self]: @@ -2769,9 +2731,6 @@ def _man_request(self, name, cookie_type, void, aux): prefix.append((p.name[-1], '.', p)) fields.update(_c_helper_field_mapping(p, prefix, flat=True)) - # auxiliary object for 'S' parameter - S_obj = parents[1] - if list.member.fixed_size(): idx = 1 if switch_obj is not None else 0 f.write('.HP\n') @@ -2930,7 +2889,7 @@ def _man_request(self, name, cookie_type, void, aux): 'handle errors in the event loop instead, use ' '\\fI%s_unchecked\\fP. See \\fBxcb-requests(%s)\\fP for ' 'details.\n') % - (cookie_type, self.c_reply_name, base_func_name, section)) + (self.c_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 sorted(self.doc.errors.items()): @@ -3012,7 +2971,7 @@ def _man_event(self, name): spacing = ' ' * (maxtypelen - len(field.c_field_type)) f.write('%s %s%s \\fI%s\\fP%s;\n' % (space, field.c_field_type, spacing, field.c_field_name, field.c_subscript)) else: - print >> sys.stderr, 'ERROR: New unhandled documentation case' + print('ERROR: New unhandled documentation case', file=sys.stderr) if not self.is_switch: for field in struct_fields: @@ -3025,7 +2984,7 @@ def _man_event(self, name): for field in b.type.fields: _c_complex_field(self, field, space) if b.type.has_name: - print >> sys.stderr, 'ERROR: New unhandled documentation case' + print('ERROR: New unhandled documentation case', file=sys.stderr) pass f.write('} \\fB%s\\fP;\n' % self.c_type) @@ -3120,11 +3079,11 @@ def c_request(self, name): _c_complex(self.reply) # Request prototypes 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) + _c_request_helper(self, name, void=False, regular=True, aux=False, reply_fds=has_fds) + _c_request_helper(self, name, void=False, regular=False, aux=False, reply_fds=has_fds) 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) + _c_request_helper(self, name, void=False, regular=True, aux=True, reply_fs=has_fds) + _c_request_helper(self, name, void=False, regular=False, aux=True, reply_fs=has_fds) # Reply accessors _c_accessors(self.reply, name + ('reply',), name) _c_reply(self, name) @@ -3132,17 +3091,16 @@ def c_request(self, name): _c_reply_fds(self, name) else: # Request prototypes - _c_request_helper(self, name, 'xcb_void_cookie_t', True, False) - _c_request_helper(self, name, 'xcb_void_cookie_t', True, True) + _c_request_helper(self, name, void=True, regular=False) + _c_request_helper(self, name, void=True, regular=True) 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) + _c_request_helper(self, name, void=True, regular=False, aux=True) + _c_request_helper(self, name, void=True, regular=True, aux=True) _c_accessors(self, name, name) # We generate the manpage afterwards because _c_type_setup has been called. # TODO: what about aux helpers? - cookie_type = self.c_cookie_type if self.reply else 'xcb_void_cookie_t' - _man_request(self, name, cookie_type, not self.reply, False) + _man_request(self, name, void=not self.reply, aux=False) def c_event(self, name): ''' |