diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/c_client.py | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/src/c_client.py b/src/c_client.py index 789b49e..0fae837 100644 --- a/src/c_client.py +++ b/src/c_client.py @@ -1628,9 +1628,31 @@ def _c_accessor_get_expr(expr, field_mapping): raise Exception("list field '%s' referenced by sumof not found" % expr.lenfield_name) list_name = field_mapping[field.c_field_name][0] c_length_func = "%s(%s)" % (field.c_length_name, list_name) - # note: xcb_sumof() has only been defined for integers c_length_func = _c_accessor_get_expr(field.type.expr, field_mapping) - return 'xcb_sumof(%s, %s)' % (list_name, c_length_func) + # create explicit code for computing the sum. + # This works for all C-types which can be added to int64_t with += + _c_pre.start() + lengthvar = _c_pre.get_tempvarname() + loopvar = _c_pre.get_tempvarname() + sumvar = _c_pre.get_tempvarname() + listvar = _c_pre.get_tempvarname() + _c_pre.tempvar("int %s; /* sumof length */", lengthvar) + _c_pre.tempvar("int %s; /* sumof loop counter */", loopvar) + _c_pre.tempvar("int64_t %s; /* sumof sum */", sumvar) + _c_pre.tempvar("const %s* %s; /* sumof list ptr */", field.c_field_type, listvar) + _c_pre.code("/* sumof start */") + _c_pre.code("%s = %s;", lengthvar, c_length_func) + _c_pre.code("%s = 0;", sumvar) + _c_pre.code("%s = %s;", listvar, list_name) + _c_pre.code("for (%s = 0; %s < %s; %s++) {", loopvar, loopvar, lengthvar, loopvar) + _c_pre.indent() + _c_pre.code("%s += *%s;", sumvar, listvar) + _c_pre.code("%s++;", listvar) + _c_pre.pop_indent() + _c_pre.code("}") + _c_pre.code("/* sumof end. Result is in %s */", sumvar) + _c_pre.end() + return sumvar elif expr.op != None: return ('(' + _c_accessor_get_expr(expr.lhs, field_mapping) + ' ' + expr.op + ' ' + |