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4810b707 PP |
1 | # The MIT License (MIT) |
2 | # | |
3 | # Copyright (c) 2015-2020 Philippe Proulx <pproulx@efficios.com> | |
4 | # | |
5 | # Permission is hereby granted, free of charge, to any person obtaining | |
6 | # a copy of this software and associated documentation files (the | |
7 | # "Software"), to deal in the Software without restriction, including | |
8 | # without limitation the rights to use, copy, modify, merge, publish, | |
9 | # distribute, sublicense, and/or sell copies of the Software, and to | |
10 | # permit persons to whom the Software is furnished to do so, subject to | |
11 | # the following conditions: | |
12 | # | |
13 | # The above copyright notice and this permission notice shall be | |
14 | # included in all copies or substantial portions of the Software. | |
15 | # | |
16 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
17 | # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
18 | # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
19 | # IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY | |
20 | # CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |
21 | # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |
22 | # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
23 | ||
24 | import barectf.config_parse_common as barectf_config_parse_common | |
25 | from barectf.config_parse_common import _ConfigurationParseError | |
26 | from barectf.config_parse_common import _append_error_ctx | |
2d55dc7d | 27 | from barectf.config_parse_common import _MapNode |
4810b707 | 28 | import barectf.config as barectf_config |
2d55dc7d | 29 | from barectf.config import _OptFt, _OptStructFt |
4810b707 PP |
30 | import collections |
31 | import uuid | |
2d55dc7d PP |
32 | from barectf.typing import Count, Alignment, VersionNumber |
33 | from typing import Optional, List, Dict, Any, TextIO, Set, Iterable, Callable, Tuple, Type | |
34 | import typing | |
4810b707 PP |
35 | |
36 | ||
37 | # A barectf 3 YAML configuration parser. | |
38 | # | |
39 | # When you build such a parser, it parses the configuration node `node` | |
40 | # (already loaded from the file having the path `path`) and creates a | |
41 | # corresponding `barectf.Configuration` object which you can get with | |
42 | # the `config` property. | |
43 | # | |
44 | # See the comments of _parse() for more implementation details about the | |
45 | # parsing stages and general strategy. | |
46 | class _Parser(barectf_config_parse_common._Parser): | |
47 | # Builds a barectf 3 YAML configuration parser and parses the root | |
2d55dc7d PP |
48 | # configuration node `node` (already loaded from the file-like |
49 | # object `root_file`). | |
50 | def __init__(self, root_file: TextIO, node: barectf_config_parse_common._ConfigNodeV3, | |
51 | with_pkg_include_dir: bool, inclusion_dirs: Optional[List[str]], | |
52 | ignore_include_not_found: bool): | |
53 | super().__init__(root_file, node, with_pkg_include_dir, inclusion_dirs, | |
54 | ignore_include_not_found, VersionNumber(3)) | |
55 | self._ft_cls_name_to_create_method: Dict[str, Callable[[_MapNode], barectf_config._FieldType]] = { | |
4810b707 PP |
56 | 'unsigned-integer': self._create_int_ft, |
57 | 'signed-integer': self._create_int_ft, | |
58 | 'unsigned-enumeration': self._create_enum_ft, | |
59 | 'signed-enumeration': self._create_enum_ft, | |
60 | 'real': self._create_real_ft, | |
61 | 'string': self._create_string_ft, | |
62 | 'static-array': self._create_static_array_ft, | |
63 | 'structure': self._create_struct_ft, | |
64 | } | |
65 | self._parse() | |
66 | ||
67 | # Validates the alignment `alignment`, raising a | |
68 | # `_ConfigurationParseError` exception using `ctx_obj_name` if it's | |
69 | # invalid. | |
70 | @staticmethod | |
2d55dc7d | 71 | def _validate_alignment(alignment: Alignment, ctx_obj_name: str): |
4810b707 PP |
72 | assert alignment >= 1 |
73 | ||
74 | # check for power of two | |
75 | if (alignment & (alignment - 1)) != 0: | |
76 | raise _ConfigurationParseError(ctx_obj_name, | |
77 | f'Invalid alignment (not a power of two): {alignment}') | |
78 | ||
79 | # Validates the TSDL identifier `iden`, raising a | |
80 | # `_ConfigurationParseError` exception using `ctx_obj_name` and | |
81 | # `prop` to format the message if it's invalid. | |
82 | @staticmethod | |
2d55dc7d | 83 | def _validate_iden(iden: str, ctx_obj_name: str, prop: str): |
4810b707 PP |
84 | assert type(iden) is str |
85 | ctf_keywords = { | |
86 | 'align', | |
87 | 'callsite', | |
88 | 'clock', | |
89 | 'enum', | |
90 | 'env', | |
91 | 'event', | |
92 | 'floating_point', | |
93 | 'integer', | |
94 | 'stream', | |
95 | 'string', | |
96 | 'struct', | |
97 | 'trace', | |
98 | 'typealias', | |
99 | 'typedef', | |
100 | 'variant', | |
101 | } | |
102 | ||
103 | if iden in ctf_keywords: | |
104 | msg = f'Invalid {prop} (not a valid identifier): `{iden}`' | |
105 | raise _ConfigurationParseError(ctx_obj_name, msg) | |
106 | ||
107 | @staticmethod | |
2d55dc7d | 108 | def _alignment_prop(ft_node: _MapNode, prop_name: str) -> Alignment: |
4810b707 PP |
109 | alignment = ft_node.get(prop_name) |
110 | ||
111 | if alignment is not None: | |
112 | _Parser._validate_alignment(alignment, '`prop_name` property') | |
113 | ||
2d55dc7d | 114 | return Alignment(alignment) |
4810b707 PP |
115 | |
116 | @property | |
2d55dc7d PP |
117 | def _trace_type_node(self) -> _MapNode: |
118 | return self.config_node['trace']['type'] | |
4810b707 PP |
119 | |
120 | @staticmethod | |
2d55dc7d | 121 | def _byte_order_from_node(node: str) -> barectf_config.ByteOrder: |
4810b707 PP |
122 | return { |
123 | 'big-endian': barectf_config.ByteOrder.BIG_ENDIAN, | |
124 | 'little-endian': barectf_config.ByteOrder.LITTLE_ENDIAN, | |
125 | }[node] | |
126 | ||
127 | # Creates a bit array field type having the type `ft_type` from the | |
128 | # bit array field type node `ft_node`, passing the additional | |
129 | # `*args` to ft_type.__init__(). | |
2d55dc7d PP |
130 | def _create_common_bit_array_ft(self, ft_node: _MapNode, |
131 | ft_type: Type[barectf_config._BitArrayFieldType], | |
132 | default_alignment: Optional[Alignment], | |
133 | *args) -> barectf_config._BitArrayFieldType: | |
4810b707 PP |
134 | alignment = self._alignment_prop(ft_node, 'alignment') |
135 | ||
136 | if alignment is None: | |
137 | alignment = default_alignment | |
138 | ||
4c91e769 | 139 | return ft_type(ft_node['size'], alignment, *args) |
4810b707 PP |
140 | |
141 | # Creates an integer field type having the type `ft_type` from the | |
142 | # integer field type node `ft_node`, passing the additional `*args` | |
143 | # to ft_type.__init__(). | |
2d55dc7d PP |
144 | def _create_common_int_ft(self, ft_node: _MapNode, |
145 | ft_type: Type[barectf_config._IntegerFieldType], *args) -> barectf_config._IntegerFieldType: | |
4810b707 PP |
146 | preferred_display_base = { |
147 | 'binary': barectf_config.DisplayBase.BINARY, | |
148 | 'octal': barectf_config.DisplayBase.OCTAL, | |
149 | 'decimal': barectf_config.DisplayBase.DECIMAL, | |
150 | 'hexadecimal': barectf_config.DisplayBase.HEXADECIMAL, | |
151 | }[ft_node.get('preferred-display-base', 'decimal')] | |
2d55dc7d PP |
152 | return typing.cast(barectf_config._IntegerFieldType, |
153 | self._create_common_bit_array_ft(ft_node, ft_type, None, | |
154 | preferred_display_base, *args)) | |
4810b707 PP |
155 | |
156 | # Creates an integer field type from the unsigned/signed integer | |
157 | # field type node `ft_node`. | |
2d55dc7d | 158 | def _create_int_ft(self, ft_node: _MapNode) -> barectf_config._IntegerFieldType: |
4810b707 PP |
159 | ft_type = { |
160 | 'unsigned-integer': barectf_config.UnsignedIntegerFieldType, | |
161 | 'signed-integer': barectf_config.SignedIntegerFieldType, | |
162 | }[ft_node['class']] | |
163 | return self._create_common_int_ft(ft_node, ft_type) | |
164 | ||
165 | # Creates an enumeration field type from the unsigned/signed | |
166 | # enumeration field type node `ft_node`. | |
2d55dc7d | 167 | def _create_enum_ft(self, ft_node: _MapNode) -> barectf_config._EnumerationFieldType: |
4810b707 PP |
168 | ft_type = { |
169 | 'unsigned-enumeration': barectf_config.UnsignedEnumerationFieldType, | |
170 | 'signed-enumeration': barectf_config.SignedEnumerationFieldType, | |
171 | }[ft_node['class']] | |
172 | mappings = collections.OrderedDict() | |
173 | ||
174 | for label, mapping_node in ft_node.get('mappings', {}).items(): | |
175 | ranges = set() | |
176 | ||
177 | for range_node in mapping_node: | |
178 | if type(range_node) is list: | |
179 | ranges.add(barectf_config.EnumerationFieldTypeMappingRange(range_node[0], | |
180 | range_node[1])) | |
181 | else: | |
182 | assert type(range_node) is int | |
183 | ranges.add(barectf_config.EnumerationFieldTypeMappingRange(range_node, | |
184 | range_node)) | |
185 | ||
186 | mappings[label] = barectf_config.EnumerationFieldTypeMapping(ranges) | |
187 | ||
2d55dc7d PP |
188 | return typing.cast(barectf_config._EnumerationFieldType, |
189 | self._create_common_int_ft(ft_node, ft_type, | |
190 | barectf_config.EnumerationFieldTypeMappings(mappings))) | |
4810b707 PP |
191 | |
192 | # Creates a real field type from the real field type node `ft_node`. | |
2d55dc7d PP |
193 | def _create_real_ft(self, ft_node: _MapNode) -> barectf_config.RealFieldType: |
194 | return typing.cast(barectf_config.RealFieldType, | |
195 | self._create_common_bit_array_ft(ft_node, barectf_config.RealFieldType, | |
196 | Alignment(8))) | |
4810b707 PP |
197 | |
198 | # Creates a string field type from the string field type node | |
199 | # `ft_node`. | |
2d55dc7d | 200 | def _create_string_ft(self, ft_node: _MapNode) -> barectf_config.StringFieldType: |
4810b707 PP |
201 | return barectf_config.StringFieldType() |
202 | ||
203 | # Creates a static array field type from the static array field type | |
204 | # node `ft_node`. | |
2d55dc7d | 205 | def _create_static_array_ft(self, ft_node: _MapNode) -> barectf_config.StaticArrayFieldType: |
4810b707 PP |
206 | prop_name = 'element-field-type' |
207 | ||
208 | try: | |
209 | element_ft = self._create_ft(ft_node[prop_name]) | |
210 | except _ConfigurationParseError as exc: | |
211 | _append_error_ctx(exc, f'`{prop_name}` property') | |
212 | ||
213 | return barectf_config.StaticArrayFieldType(ft_node['length'], element_ft) | |
214 | ||
215 | # Creates structure field type members from the structure field type | |
216 | # members node `members_node`. | |
217 | # | |
218 | # `prop_name` is the name of the property of which `members_node` is | |
219 | # the value. | |
2d55dc7d | 220 | def _create_struct_ft_members(self, members_node: List[_MapNode], prop_name: str): |
4810b707 | 221 | members = collections.OrderedDict() |
2d55dc7d | 222 | member_names: Set[str] = set() |
4810b707 PP |
223 | |
224 | for member_node in members_node: | |
225 | member_name, member_node = list(member_node.items())[0] | |
226 | ||
227 | if member_name in member_names: | |
228 | raise _ConfigurationParseError(f'`{prop_name}` property', | |
229 | f'Duplicate member `{member_name}`') | |
230 | ||
231 | self._validate_iden(member_name, f'`{prop_name}` property', | |
232 | 'structure field type member name') | |
233 | member_names.add(member_name) | |
234 | ft_prop_name = 'field-type' | |
235 | ft_node = member_node[ft_prop_name] | |
236 | ||
237 | try: | |
6bc97055 | 238 | if ft_node['class'] in ['structure']: |
4810b707 | 239 | raise _ConfigurationParseError(f'`{ft_prop_name}` property', |
6bc97055 | 240 | 'Nested structure field types are not supported') |
4810b707 PP |
241 | |
242 | try: | |
243 | member_ft = self._create_ft(ft_node) | |
244 | except _ConfigurationParseError as exc: | |
245 | exc._append_ctx(f'`{ft_prop_name}` property') | |
246 | except _ConfigurationParseError as exc: | |
247 | _append_error_ctx(exc, f'Structure field type member `{member_name}`') | |
248 | ||
249 | members[member_name] = barectf_config.StructureFieldTypeMember(member_ft) | |
250 | ||
251 | return barectf_config.StructureFieldTypeMembers(members) | |
252 | ||
253 | # Creates a structure field type from the structure field type node | |
254 | # `ft_node`. | |
2d55dc7d | 255 | def _create_struct_ft(self, ft_node: _MapNode) -> barectf_config.StructureFieldType: |
4810b707 PP |
256 | minimum_alignment = self._alignment_prop(ft_node, 'minimum-alignment') |
257 | ||
258 | if minimum_alignment is None: | |
259 | minimum_alignment = 1 | |
260 | ||
261 | members = None | |
262 | prop_name = 'members' | |
263 | members_node = ft_node.get(prop_name) | |
264 | ||
265 | if members_node is not None: | |
266 | members = self._create_struct_ft_members(members_node, prop_name) | |
267 | ||
268 | return barectf_config.StructureFieldType(minimum_alignment, members) | |
269 | ||
270 | # Creates a field type from the field type node `ft_node`. | |
2d55dc7d | 271 | def _create_ft(self, ft_node: _MapNode) -> barectf_config._FieldType: |
4810b707 PP |
272 | return self._ft_cls_name_to_create_method[ft_node['class']](ft_node) |
273 | ||
274 | # Creates a field type from the field type node `parent_node[key]` | |
275 | # if it exists. | |
2d55dc7d | 276 | def _try_create_ft(self, parent_node: _MapNode, key: str) -> _OptFt: |
4810b707 | 277 | if key not in parent_node: |
2d55dc7d | 278 | return None |
4810b707 PP |
279 | |
280 | try: | |
281 | return self._create_ft(parent_node[key]) | |
282 | except _ConfigurationParseError as exc: | |
283 | _append_error_ctx(exc, f'`{key}` property') | |
284 | ||
2d55dc7d PP |
285 | # satisfy static type checker (never reached) |
286 | raise | |
287 | ||
288 | # Like _try_create_ft(), but casts the result's type to | |
289 | # `barectf_config.StructureFieldType` to satisfy static type | |
290 | # checkers. | |
291 | def _try_create_struct_ft(self, parent_node: _MapNode, key: str) -> _OptStructFt: | |
292 | return typing.cast(barectf_config.StructureFieldType, | |
293 | self._try_create_ft(parent_node, key)) | |
294 | ||
4810b707 PP |
295 | # Returns the total number of members in the structure field type |
296 | # node `ft_node` if it exists, otherwise 0. | |
297 | @staticmethod | |
2d55dc7d | 298 | def _total_struct_ft_node_members(ft_node: Optional[_MapNode]) -> Count: |
4810b707 | 299 | if ft_node is None: |
2d55dc7d | 300 | return Count(0) |
4810b707 PP |
301 | |
302 | members_node = ft_node.get('members') | |
303 | ||
304 | if members_node is None: | |
2d55dc7d | 305 | return Count(0) |
4810b707 | 306 | |
2d55dc7d | 307 | return Count(len(members_node)) |
4810b707 PP |
308 | |
309 | # Creates an event type from the event type node `ev_type_node` | |
310 | # named `name`. | |
311 | # | |
312 | # `ev_member_count` is the total number of structure field type | |
313 | # members within the event type so far (from the common part in its | |
314 | # stream type). For example, if the stream type has a event header | |
315 | # field type with `id` and `timestamp` members, then | |
316 | # `ev_member_count` is 2. | |
2d55dc7d | 317 | def _create_ev_type(self, name: str, ev_type_node: _MapNode, ev_member_count: Count) -> barectf_config.EventType: |
4810b707 PP |
318 | try: |
319 | self._validate_iden(name, '`name` property', 'event type name') | |
320 | ||
321 | # make sure the event type is not empty | |
322 | spec_ctx_ft_prop_name = 'specific-context-field-type' | |
323 | payload_ft_prop_name = 'payload-field-type' | |
ae76a54b PP |
324 | ev_member_count = Count(ev_member_count + self._total_struct_ft_node_members(ev_type_node.get(spec_ctx_ft_prop_name))) |
325 | ev_member_count = Count(ev_member_count + self._total_struct_ft_node_members(ev_type_node.get(payload_ft_prop_name))) | |
4810b707 PP |
326 | |
327 | if ev_member_count == 0: | |
328 | raise _ConfigurationParseError('Event type', 'Event type is empty (no members).') | |
329 | ||
330 | # create event type | |
331 | return barectf_config.EventType(name, ev_type_node.get('log-level'), | |
2d55dc7d PP |
332 | self._try_create_struct_ft(ev_type_node, |
333 | spec_ctx_ft_prop_name), | |
334 | self._try_create_struct_ft(ev_type_node, | |
335 | payload_ft_prop_name)) | |
4810b707 PP |
336 | except _ConfigurationParseError as exc: |
337 | _append_error_ctx(exc, f'Event type `{name}`') | |
338 | ||
2d55dc7d PP |
339 | # satisfy static type checker (never reached) |
340 | raise | |
341 | ||
4810b707 PP |
342 | # Returns the effective feature field type for the field type |
343 | # node `parent_node[key]`, if any. | |
344 | # | |
345 | # Returns: | |
346 | # | |
347 | # If `parent_node[key]` is `False`: | |
348 | # `None`. | |
349 | # | |
350 | # If `parent_node[key]` is `True`: | |
351 | # `barectf_config.DEFAULT_FIELD_TYPE`. | |
352 | # | |
353 | # If `parent_node[key]` doesn't exist: | |
354 | # `none` (parameter). | |
355 | # | |
356 | # Otherwise: | |
357 | # A created field type. | |
2d55dc7d | 358 | def _feature_ft(self, parent_node: _MapNode, key: str, none: Any = None) -> Any: |
4810b707 PP |
359 | if key not in parent_node: |
360 | # missing: default feature field type | |
361 | return none | |
362 | ||
363 | ft_node = parent_node[key] | |
364 | assert ft_node is not None | |
365 | ||
366 | if ft_node is True: | |
367 | # default feature field type | |
368 | return barectf_config.DEFAULT_FIELD_TYPE | |
369 | ||
370 | if ft_node is False: | |
371 | # disabled feature | |
372 | return None | |
373 | ||
374 | assert type(ft_node) is collections.OrderedDict | |
375 | return self._create_ft(ft_node) | |
376 | ||
2d55dc7d | 377 | def _create_stream_type(self, name: str, stream_type_node: _MapNode) -> barectf_config.StreamType: |
4810b707 PP |
378 | try: |
379 | # validate stream type's name | |
380 | self._validate_iden(name, '`name` property', 'stream type name') | |
381 | ||
382 | # get default clock type, if any | |
383 | def_clk_type = None | |
384 | prop_name = '$default-clock-type-name' | |
385 | def_clk_type_name = stream_type_node.get(prop_name) | |
386 | ||
387 | if def_clk_type_name is not None: | |
388 | try: | |
389 | def_clk_type = self._clk_type(def_clk_type_name, prop_name) | |
390 | except _ConfigurationParseError as exc: | |
391 | _append_error_ctx(exc, f'`{prop_name}` property') | |
392 | ||
393 | # create feature field types | |
394 | pkt_total_size_ft = barectf_config.DEFAULT_FIELD_TYPE | |
395 | pkt_content_size_ft = barectf_config.DEFAULT_FIELD_TYPE | |
396 | pkt_beginning_time_ft = None | |
397 | pkt_end_time_ft = None | |
398 | pkt_discarded_events_counter_ft = None | |
399 | ev_type_id_ft = barectf_config.DEFAULT_FIELD_TYPE | |
400 | ev_time_ft = None | |
401 | ||
402 | if def_clk_type is not None: | |
403 | # The stream type has a default clock type. Initialize | |
404 | # the packet beginning time, packet end time, and event | |
405 | # time field types to default field types. | |
406 | # | |
407 | # This means your stream type node only needs a default | |
408 | # clock type name to enable those features | |
409 | # automatically. Those features do not add any parameter | |
410 | # to the tracing event functions. | |
411 | pkt_beginning_time_ft = barectf_config.DEFAULT_FIELD_TYPE | |
412 | pkt_end_time_ft = barectf_config.DEFAULT_FIELD_TYPE | |
413 | ev_time_ft = barectf_config.DEFAULT_FIELD_TYPE | |
414 | ||
415 | features_node = stream_type_node.get('$features') | |
416 | ||
417 | if features_node is not None: | |
418 | # create packet feature field types | |
419 | pkt_node = features_node.get('packet') | |
420 | ||
421 | if pkt_node is not None: | |
422 | pkt_total_size_ft = self._feature_ft(pkt_node, 'total-size-field-type', | |
423 | pkt_total_size_ft) | |
424 | pkt_content_size_ft = self._feature_ft(pkt_node, 'content-size-field-type', | |
425 | pkt_content_size_ft) | |
426 | pkt_beginning_time_ft = self._feature_ft(pkt_node, 'beginning-time-field-type', | |
427 | pkt_beginning_time_ft) | |
428 | pkt_end_time_ft = self._feature_ft(pkt_node, 'end-time-field-type', | |
429 | pkt_end_time_ft) | |
430 | pkt_discarded_events_counter_ft = self._feature_ft(pkt_node, | |
431 | 'discarded-events-counter-field-type', | |
432 | pkt_discarded_events_counter_ft) | |
433 | ||
434 | # create event feature field types | |
435 | ev_node = features_node.get('event') | |
436 | type_id_ft_prop_name = 'type-id-field-type' | |
437 | ||
438 | if ev_node is not None: | |
439 | ev_type_id_ft = self._feature_ft(ev_node, type_id_ft_prop_name, ev_type_id_ft) | |
440 | ev_time_ft = self._feature_ft(ev_node, 'time-field-type', ev_time_ft) | |
441 | ||
442 | ev_types_prop_name = 'event-types' | |
443 | ev_type_count = len(stream_type_node[ev_types_prop_name]) | |
444 | ||
445 | try: | |
446 | if ev_type_id_ft is None and ev_type_count > 1: | |
447 | raise _ConfigurationParseError(f'`{type_id_ft_prop_name}` property', | |
448 | 'Event type ID field type feature is required because stream type has more than one event type') | |
449 | ||
2d55dc7d PP |
450 | if isinstance(ev_type_id_ft, barectf_config._IntegerFieldType): |
451 | ev_type_id_int_ft = typing.cast(barectf_config._IntegerFieldType, ev_type_id_ft) | |
452 | ||
453 | if ev_type_count > (1 << ev_type_id_int_ft.size): | |
454 | raise _ConfigurationParseError(f'`{type_id_ft_prop_name}` property', | |
455 | f'Field type\'s size ({ev_type_id_int_ft.size} bits) is too small to accomodate {ev_type_count} event types') | |
4810b707 PP |
456 | except _ConfigurationParseError as exc: |
457 | exc._append_ctx('`event` property') | |
458 | _append_error_ctx(exc, '`$features` property') | |
459 | ||
460 | pkt_features = barectf_config.StreamTypePacketFeatures(pkt_total_size_ft, | |
461 | pkt_content_size_ft, | |
462 | pkt_beginning_time_ft, | |
463 | pkt_end_time_ft, | |
4c91e769 PP |
464 | pkt_discarded_events_counter_ft) |
465 | ev_features = barectf_config.StreamTypeEventFeatures(ev_type_id_ft, ev_time_ft) | |
4810b707 PP |
466 | features = barectf_config.StreamTypeFeatures(pkt_features, ev_features) |
467 | ||
468 | # create packet context (structure) field type extra members | |
469 | pkt_ctx_ft_extra_members = None | |
470 | prop_name = 'packet-context-field-type-extra-members' | |
471 | pkt_ctx_ft_extra_members_node = stream_type_node.get(prop_name) | |
472 | ||
473 | if pkt_ctx_ft_extra_members_node is not None: | |
474 | pkt_ctx_ft_extra_members = self._create_struct_ft_members(pkt_ctx_ft_extra_members_node, | |
475 | prop_name) | |
476 | ||
477 | # check for illegal packet context field type member names | |
478 | reserved_member_names = { | |
479 | 'packet_size', | |
480 | 'content_size', | |
481 | 'timestamp_begin', | |
482 | 'timestamp_end', | |
483 | 'events_discarded', | |
484 | 'packet_seq_num', | |
485 | } | |
486 | ||
487 | for member_name in pkt_ctx_ft_extra_members: | |
488 | if member_name in reserved_member_names: | |
489 | raise _ConfigurationParseError(f'`{prop_name}` property', | |
490 | f'Packet context field type member name `{member_name}` is reserved.') | |
491 | ||
492 | # create event types | |
2d55dc7d | 493 | ev_header_common_ctx_member_count = Count(0) |
4810b707 PP |
494 | |
495 | if ev_features.type_id_field_type is not None: | |
2d55dc7d | 496 | ev_header_common_ctx_member_count = Count(ev_header_common_ctx_member_count + 1) |
4810b707 PP |
497 | |
498 | if ev_features.time_field_type is not None: | |
2d55dc7d | 499 | ev_header_common_ctx_member_count = Count(ev_header_common_ctx_member_count + 1) |
4810b707 PP |
500 | |
501 | ev_common_ctx_ft_prop_name = 'event-common-context-field-type' | |
502 | ev_common_ctx_ft_node = stream_type_node.get(ev_common_ctx_ft_prop_name) | |
ae76a54b | 503 | ev_header_common_ctx_member_count = Count(ev_header_common_ctx_member_count + self._total_struct_ft_node_members(ev_common_ctx_ft_node)) |
4810b707 PP |
504 | ev_types = set() |
505 | ||
506 | for ev_name, ev_type_node in stream_type_node[ev_types_prop_name].items(): | |
507 | ev_types.add(self._create_ev_type(ev_name, ev_type_node, ev_header_common_ctx_member_count)) | |
508 | ||
509 | # create stream type | |
4c91e769 | 510 | return barectf_config.StreamType(name, ev_types, def_clk_type, features, |
4810b707 | 511 | pkt_ctx_ft_extra_members, |
2d55dc7d PP |
512 | self._try_create_struct_ft(stream_type_node, |
513 | ev_common_ctx_ft_prop_name)) | |
4810b707 PP |
514 | except _ConfigurationParseError as exc: |
515 | _append_error_ctx(exc, f'Stream type `{name}`') | |
516 | ||
2d55dc7d PP |
517 | # satisfy static type checker (never reached) |
518 | raise | |
519 | ||
520 | def _clk_type(self, name: str, prop_name: str) -> barectf_config.ClockType: | |
4810b707 PP |
521 | clk_type = self._clk_types.get(name) |
522 | ||
523 | if clk_type is None: | |
524 | raise _ConfigurationParseError(f'`{prop_name}` property', | |
525 | f'Clock type `{name}` does not exist') | |
526 | ||
527 | return clk_type | |
528 | ||
2d55dc7d | 529 | def _create_clk_type(self, name: str, clk_type_node: _MapNode) -> barectf_config.ClockType: |
4810b707 PP |
530 | self._validate_iden(name, '`name` property', 'clock type name') |
531 | clk_type_uuid = None | |
532 | uuid_node = clk_type_node.get('uuid') | |
533 | ||
534 | if uuid_node is not None: | |
535 | clk_type_uuid = uuid.UUID(uuid_node) | |
536 | ||
537 | offset_seconds = 0 | |
2d55dc7d | 538 | offset_cycles = Count(0) |
4810b707 PP |
539 | offset_node = clk_type_node.get('offset') |
540 | ||
541 | if offset_node is not None: | |
542 | offset_seconds = offset_node.get('seconds', 0) | |
2d55dc7d | 543 | offset_cycles = offset_node.get('cycles', Count(0)) |
4810b707 PP |
544 | |
545 | return barectf_config.ClockType(name, clk_type_node.get('frequency', int(1e9)), | |
546 | clk_type_uuid, clk_type_node.get('description'), | |
547 | clk_type_node.get('precision', 0), | |
548 | barectf_config.ClockTypeOffset(offset_seconds, offset_cycles), | |
549 | clk_type_node.get('origin-is-unix-epoch', False)) | |
550 | ||
551 | def _create_clk_types(self): | |
552 | self._clk_types = {} | |
553 | ||
554 | for clk_type_name, clk_type_node in self._trace_type_node.get('clock-types', {}).items(): | |
555 | self._clk_types[clk_type_name] = self._create_clk_type(clk_type_name, clk_type_node) | |
556 | ||
557 | def _create_trace_type(self): | |
558 | try: | |
559 | # create clock types (_create_stream_type() needs them) | |
560 | self._create_clk_types() | |
561 | ||
562 | # get UUID | |
563 | trace_type_uuid = None | |
564 | uuid_node = self._trace_type_node.get('uuid') | |
565 | ||
566 | if uuid_node is not None: | |
567 | if uuid_node == 'auto': | |
568 | trace_type_uuid = uuid.uuid1() | |
569 | else: | |
570 | trace_type_uuid = uuid.UUID(uuid_node) | |
571 | ||
572 | # create feature field types | |
573 | magic_ft = barectf_config.DEFAULT_FIELD_TYPE | |
574 | uuid_ft = None | |
575 | stream_type_id_ft = barectf_config.DEFAULT_FIELD_TYPE | |
576 | ||
577 | if trace_type_uuid is not None: | |
578 | # Trace type has a UUID: initialize UUID field type to | |
579 | # a default field type. | |
580 | uuid_ft = barectf_config.DEFAULT_FIELD_TYPE | |
581 | ||
582 | features_node = self._trace_type_node.get('$features') | |
583 | stream_type_id_ft_prop_name = 'stream-type-id-field-type' | |
584 | ||
585 | if features_node is not None: | |
586 | magic_ft = self._feature_ft(features_node, 'magic-field-type', | |
587 | magic_ft) | |
588 | uuid_ft = self._feature_ft(features_node, 'uuid-field-type', uuid_ft) | |
589 | stream_type_id_ft = self._feature_ft(features_node, stream_type_id_ft_prop_name, | |
590 | stream_type_id_ft) | |
591 | ||
592 | stream_types_prop_name = 'stream-types' | |
593 | stream_type_count = len(self._trace_type_node[stream_types_prop_name]) | |
594 | ||
595 | try: | |
596 | if stream_type_id_ft is None and stream_type_count > 1: | |
597 | raise _ConfigurationParseError(f'`{stream_type_id_ft_prop_name}` property', | |
598 | 'Stream type ID field type feature is required because trace type has more than one stream type') | |
599 | ||
600 | if isinstance(stream_type_id_ft, barectf_config._FieldType) and stream_type_count > (1 << stream_type_id_ft.size): | |
601 | raise _ConfigurationParseError(f'`{stream_type_id_ft_prop_name}` property', | |
602 | f'Field type\'s size ({stream_type_id_ft.size} bits) is too small to accomodate {stream_type_count} stream types') | |
603 | except _ConfigurationParseError as exc: | |
604 | _append_error_ctx(exc, '`$features` property') | |
605 | ||
4c91e769 | 606 | features = barectf_config.TraceTypeFeatures(magic_ft, uuid_ft, stream_type_id_ft) |
4810b707 PP |
607 | |
608 | # create stream types | |
609 | stream_types = set() | |
610 | ||
611 | for stream_name, stream_type_node in self._trace_type_node[stream_types_prop_name].items(): | |
612 | stream_types.add(self._create_stream_type(stream_name, stream_type_node)) | |
613 | ||
614 | # create trace type | |
7fffc7d1 | 615 | return barectf_config.TraceType(stream_types, trace_type_uuid, features) |
4810b707 PP |
616 | except _ConfigurationParseError as exc: |
617 | _append_error_ctx(exc, 'Trace type') | |
618 | ||
619 | def _create_trace(self): | |
620 | try: | |
621 | trace_type = self._create_trace_type() | |
2d55dc7d | 622 | trace_node = self.config_node['trace'] |
4810b707 PP |
623 | env = None |
624 | env_node = trace_node.get('environment') | |
625 | ||
626 | if env_node is not None: | |
627 | # validate each environment variable name | |
628 | for name in env_node: | |
629 | self._validate_iden(name, '`environment` property', | |
630 | 'environment variable name') | |
631 | ||
632 | # the node already has the expected structure | |
633 | env = barectf_config.TraceEnvironment(env_node) | |
634 | ||
635 | return barectf_config.Trace(trace_type, env) | |
636 | ||
637 | except _ConfigurationParseError as exc: | |
638 | _append_error_ctx(exc, 'Trace') | |
639 | ||
640 | def _create_config(self): | |
641 | # create trace first | |
642 | trace = self._create_trace() | |
643 | ||
644 | # find default stream type, if any | |
645 | def_stream_type = None | |
646 | ||
647 | for stream_type_name, stream_type_node in self._trace_type_node['stream-types'].items(): | |
648 | prop_name = '$is-default' | |
649 | is_default = stream_type_node.get(prop_name) | |
650 | ||
651 | if is_default is True: | |
652 | if def_stream_type is not None: | |
653 | exc = _ConfigurationParseError(f'`{prop_name}` property', | |
654 | f'Duplicate default stream type (`{def_stream_type.name}`)') | |
655 | exc._append_ctx(f'Stream type `{stream_type_name}`') | |
656 | _append_error_ctx(exc, 'Trace type') | |
657 | ||
658 | def_stream_type = trace.type.stream_type(stream_type_name) | |
659 | ||
660 | # create clock type C type mapping | |
661 | clk_types_node = self._trace_type_node.get('clock-types') | |
662 | clk_type_c_types = None | |
663 | ||
664 | if clk_types_node is not None: | |
665 | clk_type_c_types = collections.OrderedDict() | |
666 | ||
667 | for stream_type in trace.type.stream_types: | |
668 | if stream_type.default_clock_type is None: | |
669 | continue | |
670 | ||
671 | clk_type_node = clk_types_node[stream_type.default_clock_type.name] | |
672 | c_type = clk_type_node.get('$c-type') | |
673 | ||
674 | if c_type is not None: | |
675 | clk_type_c_types[stream_type.default_clock_type] = c_type | |
676 | ||
677 | # create options | |
678 | iden_prefix_def = False | |
679 | def_stream_type_name_def = False | |
2d55dc7d PP |
680 | opts_node = self.config_node.get('options') |
681 | iden_prefix = 'barectf_' | |
682 | file_name_prefix = 'barectf' | |
4810b707 PP |
683 | |
684 | if opts_node is not None: | |
685 | code_gen_opts_node = opts_node.get('code-generation') | |
686 | ||
687 | if code_gen_opts_node is not None: | |
688 | prefix_node = code_gen_opts_node.get('prefix', 'barectf') | |
689 | ||
690 | if type(prefix_node) is str: | |
691 | # automatic prefixes | |
692 | iden_prefix = f'{prefix_node}_' | |
693 | file_name_prefix = prefix_node | |
694 | else: | |
695 | iden_prefix = prefix_node['identifier'] | |
696 | file_name_prefix = prefix_node['file-name'] | |
697 | ||
698 | header_opts = code_gen_opts_node.get('header') | |
699 | ||
700 | if header_opts is not None: | |
701 | iden_prefix_def = header_opts.get('identifier-prefix-definition', False) | |
702 | def_stream_type_name_def = header_opts.get('default-stream-type-name-definition', | |
703 | False) | |
704 | ||
705 | header_opts = barectf_config.ConfigurationCodeGenerationHeaderOptions(iden_prefix_def, | |
706 | def_stream_type_name_def) | |
707 | cg_opts = barectf_config.ConfigurationCodeGenerationOptions(iden_prefix, file_name_prefix, | |
708 | def_stream_type, header_opts, | |
709 | clk_type_c_types) | |
710 | opts = barectf_config.ConfigurationOptions(cg_opts) | |
711 | ||
712 | # create configuration | |
7fffc7d1 | 713 | self._config = barectf_config.Configuration(trace, self._target_byte_order, opts) |
4810b707 PP |
714 | |
715 | # Expands the field type aliases found in the trace type node. | |
716 | # | |
717 | # This method modifies the trace type node. | |
718 | # | |
719 | # When this method returns: | |
720 | # | |
721 | # * Any field type alias is replaced with its full field type | |
722 | # node equivalent. | |
723 | # | |
724 | # * The `$field-type-aliases` property of the trace type node is | |
725 | # removed. | |
726 | def _expand_ft_aliases(self): | |
2d55dc7d | 727 | def resolve_ft_alias_from(parent_node: _MapNode, key: str): |
4810b707 PP |
728 | if key not in parent_node: |
729 | return | |
730 | ||
731 | if type(parent_node[key]) not in [collections.OrderedDict, str]: | |
732 | return | |
733 | ||
2d55dc7d | 734 | self._resolve_ft_alias_from(ft_aliases_node, parent_node, key) |
4810b707 PP |
735 | |
736 | ft_aliases_node = self._trace_type_node['$field-type-aliases'] | |
737 | ||
738 | # Expand field type aliases within trace, stream, and event type | |
739 | # nodes. | |
740 | features_prop_name = '$features' | |
741 | ||
742 | try: | |
743 | features_node = self._trace_type_node.get(features_prop_name) | |
744 | ||
745 | if features_node is not None: | |
746 | try: | |
747 | resolve_ft_alias_from(features_node, 'magic-field-type') | |
748 | resolve_ft_alias_from(features_node, 'uuid-field-type') | |
749 | resolve_ft_alias_from(features_node, 'stream-type-id-field-type') | |
750 | except _ConfigurationParseError as exc: | |
751 | _append_error_ctx(exc, f'`{features_prop_name}` property') | |
752 | except _ConfigurationParseError as exc: | |
753 | _append_error_ctx(exc, 'Trace type') | |
754 | ||
755 | for stream_type_name, stream_type_node in self._trace_type_node['stream-types'].items(): | |
756 | try: | |
757 | features_node = stream_type_node.get(features_prop_name) | |
758 | ||
759 | if features_node is not None: | |
760 | try: | |
761 | pkt_prop_name = 'packet' | |
762 | pkt_node = features_node.get(pkt_prop_name) | |
763 | ||
764 | if pkt_node is not None: | |
765 | try: | |
766 | resolve_ft_alias_from(pkt_node, 'total-size-field-type') | |
767 | resolve_ft_alias_from(pkt_node, 'content-size-field-type') | |
768 | resolve_ft_alias_from(pkt_node, 'beginning-time-field-type') | |
769 | resolve_ft_alias_from(pkt_node, 'end-time-field-type') | |
770 | resolve_ft_alias_from(pkt_node, | |
771 | 'discarded-events-counter-field-type') | |
772 | except _ConfigurationParseError as exc: | |
773 | _append_error_ctx(exc, f'`{pkt_prop_name}` property') | |
774 | ||
775 | ev_prop_name = 'event' | |
776 | ev_node = features_node.get(ev_prop_name) | |
777 | ||
778 | if ev_node is not None: | |
779 | try: | |
780 | resolve_ft_alias_from(ev_node, 'type-id-field-type') | |
781 | resolve_ft_alias_from(ev_node, 'time-field-type') | |
782 | except _ConfigurationParseError as exc: | |
783 | _append_error_ctx(exc, f'`{ev_prop_name}` property') | |
784 | except _ConfigurationParseError as exc: | |
785 | _append_error_ctx(exc, f'`{features_prop_name}` property') | |
786 | ||
787 | pkt_ctx_ft_extra_members_prop_name = 'packet-context-field-type-extra-members' | |
788 | pkt_ctx_ft_extra_members_node = stream_type_node.get(pkt_ctx_ft_extra_members_prop_name) | |
789 | ||
790 | if pkt_ctx_ft_extra_members_node is not None: | |
791 | try: | |
792 | for member_node in pkt_ctx_ft_extra_members_node: | |
793 | member_node = list(member_node.values())[0] | |
794 | resolve_ft_alias_from(member_node, 'field-type') | |
795 | except _ConfigurationParseError as exc: | |
796 | _append_error_ctx(exc, f'`{pkt_ctx_ft_extra_members_prop_name}` property') | |
797 | ||
798 | resolve_ft_alias_from(stream_type_node, 'event-common-context-field-type') | |
799 | ||
800 | for ev_type_name, ev_type_node in stream_type_node['event-types'].items(): | |
801 | try: | |
802 | resolve_ft_alias_from(ev_type_node, 'specific-context-field-type') | |
803 | resolve_ft_alias_from(ev_type_node, 'payload-field-type') | |
804 | except _ConfigurationParseError as exc: | |
805 | _append_error_ctx(exc, f'Event type `{ev_type_name}`') | |
806 | except _ConfigurationParseError as exc: | |
807 | _append_error_ctx(exc, f'Stream type `{stream_type_name}`') | |
808 | ||
809 | # remove the (now unneeded) `$field-type-aliases` property | |
810 | del self._trace_type_node['$field-type-aliases'] | |
811 | ||
812 | # Applies field type inheritance to all field type nodes found in | |
813 | # the trace type node. | |
814 | # | |
815 | # This method modifies the trace type node. | |
816 | # | |
817 | # When this method returns, no field type node has an `$inherit` | |
818 | # property. | |
819 | def _apply_fts_inheritance(self): | |
2d55dc7d | 820 | def apply_ft_inheritance(parent_node: _MapNode, key: str): |
4810b707 PP |
821 | if key not in parent_node: |
822 | return | |
823 | ||
824 | if type(parent_node[key]) is not collections.OrderedDict: | |
825 | return | |
826 | ||
2d55dc7d | 827 | self._apply_ft_inheritance(parent_node, key) |
4810b707 PP |
828 | |
829 | features_prop_name = '$features' | |
830 | features_node = self._trace_type_node.get(features_prop_name) | |
831 | ||
832 | if features_node is not None: | |
833 | apply_ft_inheritance(features_node, 'magic-field-type') | |
834 | apply_ft_inheritance(features_node, 'uuid-field-type') | |
835 | apply_ft_inheritance(features_node, 'stream-type-id-field-type') | |
836 | ||
837 | for stream_type_node in self._trace_type_node['stream-types'].values(): | |
838 | features_node = stream_type_node.get(features_prop_name) | |
839 | ||
840 | if features_node is not None: | |
841 | pkt_node = features_node.get('packet') | |
842 | ||
843 | if pkt_node is not None: | |
844 | apply_ft_inheritance(pkt_node, 'total-size-field-type') | |
845 | apply_ft_inheritance(pkt_node, 'content-size-field-type') | |
846 | apply_ft_inheritance(pkt_node, 'beginning-time-field-type') | |
847 | apply_ft_inheritance(pkt_node, 'end-time-field-type') | |
848 | apply_ft_inheritance(pkt_node, 'discarded-events-counter-field-type') | |
849 | ||
850 | ev_node = features_node.get('event') | |
851 | ||
852 | if ev_node is not None: | |
853 | apply_ft_inheritance(ev_node, 'type-id-field-type') | |
854 | apply_ft_inheritance(ev_node, 'time-field-type') | |
855 | ||
856 | pkt_ctx_ft_extra_members_node = stream_type_node.get('packet-context-field-type-extra-members') | |
857 | ||
858 | if pkt_ctx_ft_extra_members_node is not None: | |
859 | for member_node in pkt_ctx_ft_extra_members_node: | |
860 | member_node = list(member_node.values())[0] | |
861 | apply_ft_inheritance(member_node, 'field-type') | |
862 | ||
863 | apply_ft_inheritance(stream_type_node, 'event-common-context-field-type') | |
864 | ||
865 | for ev_type_node in stream_type_node['event-types'].values(): | |
866 | apply_ft_inheritance(ev_type_node, 'specific-context-field-type') | |
867 | apply_ft_inheritance(ev_type_node, 'payload-field-type') | |
868 | ||
869 | # Normalizes structure field type member nodes. | |
870 | # | |
871 | # A structure field type member node can look like this: | |
872 | # | |
873 | # - msg: custom-string | |
874 | # | |
875 | # which is the equivalent of this: | |
876 | # | |
877 | # - msg: | |
878 | # field-type: custom-string | |
879 | # | |
880 | # This method normalizes form 1 to use form 2. | |
881 | def _normalize_struct_ft_member_nodes(self): | |
2d55dc7d | 882 | def normalize_members_node(members_node: List[_MapNode]): |
4810b707 PP |
883 | ft_prop_name = 'field-type' |
884 | ||
885 | for member_node in members_node: | |
886 | member_name, val_node = list(member_node.items())[0] | |
887 | ||
888 | if type(val_node) is str: | |
889 | member_node[member_name] = collections.OrderedDict({ | |
890 | ft_prop_name: val_node | |
891 | }) | |
892 | ||
893 | normalize_struct_ft_member_nodes(member_node[member_name], ft_prop_name) | |
894 | ||
2d55dc7d | 895 | def normalize_struct_ft_member_nodes(parent_node: _MapNode, key: str): |
4810b707 PP |
896 | if type(parent_node) is not collections.OrderedDict: |
897 | return | |
898 | ||
899 | ft_node = parent_node.get(key) | |
900 | ||
901 | if type(ft_node) is not collections.OrderedDict: | |
902 | return | |
903 | ||
2d55dc7d | 904 | ft_node = typing.cast(collections.OrderedDict, ft_node) |
4810b707 PP |
905 | members_nodes = ft_node.get('members') |
906 | ||
907 | if members_nodes is not None: | |
908 | normalize_members_node(members_nodes) | |
909 | ||
910 | prop_name = '$field-type-aliases' | |
911 | ft_aliases_node = self._trace_type_node.get(prop_name) | |
912 | ||
913 | if ft_aliases_node is not None: | |
914 | for alias in ft_aliases_node: | |
915 | normalize_struct_ft_member_nodes(ft_aliases_node, alias) | |
916 | ||
917 | features_prop_name = '$features' | |
918 | features_node = self._trace_type_node.get(features_prop_name) | |
919 | ||
920 | if features_node is not None: | |
921 | normalize_struct_ft_member_nodes(features_node, 'magic-field-type') | |
922 | normalize_struct_ft_member_nodes(features_node, 'uuid-field-type') | |
923 | normalize_struct_ft_member_nodes(features_node, 'stream-type-id-field-type') | |
924 | ||
925 | for stream_type_node in self._trace_type_node['stream-types'].values(): | |
926 | features_node = stream_type_node.get(features_prop_name) | |
927 | ||
928 | if features_node is not None: | |
929 | pkt_node = features_node.get('packet') | |
930 | ||
931 | if pkt_node is not None: | |
932 | normalize_struct_ft_member_nodes(pkt_node, 'total-size-field-type') | |
933 | normalize_struct_ft_member_nodes(pkt_node, 'content-size-field-type') | |
934 | normalize_struct_ft_member_nodes(pkt_node, 'beginning-time-field-type') | |
935 | normalize_struct_ft_member_nodes(pkt_node, 'end-time-field-type') | |
936 | normalize_struct_ft_member_nodes(pkt_node, | |
937 | 'discarded-events-counter-field-type') | |
938 | ||
939 | ev_node = features_node.get('event') | |
940 | ||
941 | if ev_node is not None: | |
942 | normalize_struct_ft_member_nodes(ev_node, 'type-id-field-type') | |
943 | normalize_struct_ft_member_nodes(ev_node, 'time-field-type') | |
944 | ||
945 | pkt_ctx_ft_extra_members_node = stream_type_node.get('packet-context-field-type-extra-members') | |
946 | ||
947 | if pkt_ctx_ft_extra_members_node is not None: | |
948 | normalize_members_node(pkt_ctx_ft_extra_members_node) | |
949 | ||
950 | normalize_struct_ft_member_nodes(stream_type_node, 'event-common-context-field-type') | |
951 | ||
952 | for ev_type_node in stream_type_node['event-types'].values(): | |
953 | normalize_struct_ft_member_nodes(ev_type_node, 'specific-context-field-type') | |
954 | normalize_struct_ft_member_nodes(ev_type_node, 'payload-field-type') | |
955 | ||
956 | # Calls _expand_ft_aliases() and _apply_fts_inheritance() if the | |
957 | # trace type node has a `$field-type-aliases` property. | |
958 | def _expand_fts(self): | |
959 | # Make sure that the current configuration node is valid | |
960 | # considering field types are not expanded yet. | |
2d55dc7d | 961 | self._schema_validator.validate(self.config_node, |
c3fa1a14 | 962 | 'config/3/config-pre-field-type-expansion') |
4810b707 PP |
963 | |
964 | prop_name = '$field-type-aliases' | |
965 | ft_aliases_node = self._trace_type_node.get(prop_name) | |
966 | ||
967 | if ft_aliases_node is None: | |
968 | # If there's no `'$field-type-aliases'` node, then there's | |
969 | # no field type aliases and therefore no possible | |
970 | # inheritance. | |
971 | if prop_name in self._trace_type_node: | |
972 | del self._trace_type_node[prop_name] | |
973 | ||
974 | return | |
975 | ||
976 | # normalize structure field type member nodes | |
977 | self._normalize_struct_ft_member_nodes() | |
978 | ||
979 | # first, expand field type aliases | |
980 | self._expand_ft_aliases() | |
981 | ||
982 | # next, apply inheritance to create effective field type nodes | |
983 | self._apply_fts_inheritance() | |
984 | ||
985 | # Substitute the event type node log level aliases with their | |
986 | # numeric equivalents. | |
987 | # | |
988 | # Removes the `$log-level-aliases` property of the trace type node. | |
989 | def _sub_log_level_aliases(self): | |
990 | # Make sure that the current configuration node is valid | |
991 | # considering log level aliases are not substituted yet. | |
2d55dc7d | 992 | self._schema_validator.validate(self.config_node, |
c3fa1a14 | 993 | 'config/3/config-pre-log-level-alias-sub') |
4810b707 PP |
994 | |
995 | log_level_aliases_prop_name = '$log-level-aliases' | |
996 | log_level_aliases_node = self._trace_type_node.get(log_level_aliases_prop_name) | |
997 | ||
998 | if log_level_aliases_prop_name in self._trace_type_node: | |
999 | del self._trace_type_node[log_level_aliases_prop_name] | |
1000 | ||
1001 | if log_level_aliases_node is None: | |
1002 | # no log level aliases | |
1003 | return | |
1004 | ||
1005 | # substitute log level aliases | |
1006 | for stream_type_name, stream_type_node in self._trace_type_node['stream-types'].items(): | |
1007 | try: | |
1008 | for ev_type_name, ev_type_node in stream_type_node['event-types'].items(): | |
1009 | try: | |
1010 | prop_name = 'log-level' | |
1011 | ll_node = ev_type_node.get(prop_name) | |
1012 | ||
1013 | if ll_node is None: | |
1014 | continue | |
1015 | ||
1016 | if type(ll_node) is str: | |
1017 | if ll_node not in log_level_aliases_node: | |
1018 | raise _ConfigurationParseError(f'`{prop_name}` property', | |
1019 | f'Log level alias `{ll_node}` does not exist') | |
1020 | ||
1021 | ev_type_node[prop_name] = log_level_aliases_node[ll_node] | |
1022 | except _ConfigurationParseError as exc: | |
1023 | _append_error_ctx(exc, f'Event type `{ev_type_name}`') | |
1024 | except _ConfigurationParseError as exc: | |
1025 | _append_error_ctx(exc, f'Stream type `{stream_type_name}`') | |
1026 | ||
1027 | # Generator of parent node and key pairs for all the nodes, | |
1028 | # recursively, of `node`. | |
1029 | # | |
1030 | # It is safe to delete a yielded node during the iteration. | |
1031 | @staticmethod | |
2d55dc7d | 1032 | def _props(node: Any) -> Iterable[Tuple[Any, str]]: |
4810b707 PP |
1033 | if type(node) is collections.OrderedDict: |
1034 | for key in list(node): | |
1035 | yield from _Parser._props(node[key]) | |
1036 | yield node, key | |
1037 | elif type(node) is list: | |
1038 | for item_node in node: | |
1039 | yield from _Parser._props(item_node) | |
1040 | ||
2d55dc7d PP |
1041 | def _trace_type_props(self) -> Iterable[Tuple[Any, str]]: |
1042 | yield from _Parser._props(self.config_node['trace']['type']) | |
4810b707 PP |
1043 | |
1044 | # Normalize the properties of the configuration node. | |
1045 | # | |
1046 | # This method, for each property of the trace type node: | |
1047 | # | |
1048 | # 1. Removes it if it's `None` (means default). | |
1049 | # | |
1050 | # 2. Chooses a specific `class` property value. | |
1051 | # | |
7fffc7d1 | 1052 | # 3. Chooses a specific `byte-order`/`target-byte-order` property |
4810b707 PP |
1053 | # value. |
1054 | # | |
1055 | # 4. Chooses a specific `preferred-display-base` property value. | |
1056 | # | |
1057 | # This method also applies 1. to the trace node's `environment` | |
1058 | # property. | |
1059 | def _normalize_props(self): | |
2d55dc7d | 1060 | def normalize_byte_order_prop(parent_node: _MapNode, key: str): |
4810b707 PP |
1061 | node = parent_node[key] |
1062 | ||
1063 | if node in ['be', 'big']: | |
1064 | parent_node[key] = 'big-endian' | |
1065 | elif node in ['le', 'little']: | |
1066 | parent_node[key] = 'little-endian' | |
1067 | ||
2d55dc7d | 1068 | trace_node = self.config_node['trace'] |
7fffc7d1 | 1069 | normalize_byte_order_prop(self.config_node, 'target-byte-order') |
4810b707 PP |
1070 | |
1071 | for parent_node, key in self._trace_type_props(): | |
1072 | node = parent_node[key] | |
1073 | ||
1074 | if node is None: | |
1075 | # a `None` property is equivalent to not having it | |
1076 | del parent_node[key] | |
1077 | continue | |
1078 | ||
1079 | if key == 'class' and type(node) is str: | |
1080 | # field type class aliases | |
1081 | if node in ['uint', 'unsigned-int']: | |
1082 | parent_node[key] = 'unsigned-integer' | |
1083 | elif node in ['sint', 'signed-int']: | |
1084 | parent_node[key] = 'signed-integer' | |
1085 | elif node in ['uenum', 'unsigned-enum']: | |
1086 | parent_node[key] = 'unsigned-enumeration' | |
1087 | elif node in ['senum', 'signed-enum']: | |
1088 | parent_node[key] = 'signed-enumeration' | |
1089 | elif node == 'str': | |
1090 | parent_node[key] = 'string' | |
1091 | elif node == 'struct': | |
1092 | parent_node[key] = 'structure' | |
4810b707 PP |
1093 | elif key == 'preferred-display-base' and type(node) is str: |
1094 | # display base aliases | |
1095 | if node == 'bin': | |
1096 | parent_node[key] = 'binary' | |
1097 | elif node == 'oct': | |
1098 | parent_node[key] = 'octal' | |
1099 | elif node == 'dec': | |
1100 | parent_node[key] = 'decimal' | |
1101 | elif node == 'hex': | |
1102 | parent_node[key] = 'hexadecimal' | |
1103 | ||
1104 | prop_name = 'environment' | |
1105 | ||
1106 | if prop_name in trace_node: | |
1107 | node = trace_node[prop_name] | |
1108 | ||
1109 | if node is None: | |
1110 | del trace_node[prop_name] | |
1111 | ||
4c91e769 PP |
1112 | # Sets the parser's target byte order. |
1113 | def _set_target_byte_order(self): | |
7fffc7d1 PP |
1114 | self._target_byte_order_node = self.config_node['target-byte-order'] |
1115 | self._target_byte_order = self._byte_order_from_node(self._target_byte_order_node) | |
4810b707 PP |
1116 | |
1117 | # Processes the inclusions of the event type node `ev_type_node`, | |
1118 | # returning the effective node. | |
2d55dc7d | 1119 | def _process_ev_type_node_include(self, ev_type_node: _MapNode) -> _MapNode: |
4810b707 PP |
1120 | # Make sure the event type node is valid for the inclusion |
1121 | # processing stage. | |
c3fa1a14 | 1122 | self._schema_validator.validate(ev_type_node, 'config/3/event-type-pre-include') |
4810b707 PP |
1123 | |
1124 | # process inclusions | |
1125 | return self._process_node_include(ev_type_node, self._process_ev_type_node_include) | |
1126 | ||
1127 | # Processes the inclusions of the stream type node | |
1128 | # `stream_type_node`, returning the effective node. | |
2d55dc7d PP |
1129 | def _process_stream_type_node_include(self, stream_type_node: _MapNode) -> _MapNode: |
1130 | def process_children_include(stream_type_node: _MapNode): | |
4810b707 PP |
1131 | prop_name = 'event-types' |
1132 | ||
1133 | if prop_name in stream_type_node: | |
1134 | ev_types_node = stream_type_node[prop_name] | |
1135 | ||
1136 | for key in list(ev_types_node): | |
1137 | ev_types_node[key] = self._process_ev_type_node_include(ev_types_node[key]) | |
1138 | ||
1139 | # Make sure the stream type node is valid for the inclusion | |
1140 | # processing stage. | |
c3fa1a14 | 1141 | self._schema_validator.validate(stream_type_node, 'config/3/stream-type-pre-include') |
4810b707 PP |
1142 | |
1143 | # process inclusions | |
1144 | return self._process_node_include(stream_type_node, self._process_stream_type_node_include, | |
1145 | process_children_include) | |
1146 | ||
1147 | # Processes the inclusions of the clock type node `clk_type_node`, | |
1148 | # returning the effective node. | |
2d55dc7d | 1149 | def _process_clk_type_node_include(self, clk_type_node: _MapNode) -> _MapNode: |
4810b707 PP |
1150 | # Make sure the clock type node is valid for the inclusion |
1151 | # processing stage. | |
c3fa1a14 | 1152 | self._schema_validator.validate(clk_type_node, 'config/3/clock-type-pre-include') |
4810b707 PP |
1153 | |
1154 | # process inclusions | |
1155 | return self._process_node_include(clk_type_node, self._process_clk_type_node_include) | |
1156 | ||
1157 | # Processes the inclusions of the trace type node `trace_type_node`, | |
1158 | # returning the effective node. | |
2d55dc7d PP |
1159 | def _process_trace_type_node_include(self, trace_type_node: _MapNode) -> _MapNode: |
1160 | def process_children_include(trace_type_node: _MapNode): | |
4810b707 PP |
1161 | prop_name = 'clock-types' |
1162 | ||
1163 | if prop_name in trace_type_node: | |
1164 | clk_types_node = trace_type_node[prop_name] | |
1165 | ||
1166 | for key in list(clk_types_node): | |
1167 | clk_types_node[key] = self._process_clk_type_node_include(clk_types_node[key]) | |
1168 | ||
1169 | prop_name = 'stream-types' | |
1170 | ||
1171 | if prop_name in trace_type_node: | |
1172 | stream_types_node = trace_type_node[prop_name] | |
1173 | ||
1174 | for key in list(stream_types_node): | |
1175 | stream_types_node[key] = self._process_stream_type_node_include(stream_types_node[key]) | |
1176 | ||
1177 | # Make sure the trace type node is valid for the inclusion | |
1178 | # processing stage. | |
c3fa1a14 | 1179 | self._schema_validator.validate(trace_type_node, 'config/3/trace-type-pre-include') |
4810b707 PP |
1180 | |
1181 | # process inclusions | |
1182 | return self._process_node_include(trace_type_node, self._process_trace_type_node_include, | |
1183 | process_children_include) | |
1184 | ||
1185 | # Processes the inclusions of the trace node `trace_node`, returning | |
1186 | # the effective node. | |
2d55dc7d PP |
1187 | def _process_trace_node_include(self, trace_node: _MapNode) -> _MapNode: |
1188 | def process_children_include(trace_node: _MapNode): | |
4810b707 PP |
1189 | prop_name = 'type' |
1190 | trace_node[prop_name] = self._process_trace_type_node_include(trace_node[prop_name]) | |
1191 | ||
1192 | # Make sure the trace node is valid for the inclusion processing | |
1193 | # stage. | |
c3fa1a14 | 1194 | self._schema_validator.validate(trace_node, 'config/3/trace-pre-include') |
4810b707 PP |
1195 | |
1196 | # process inclusions | |
1197 | return self._process_node_include(trace_node, self._process_trace_node_include, | |
1198 | process_children_include) | |
1199 | ||
1200 | # Processes the inclusions of the configuration node, modifying it | |
1201 | # during the process. | |
1202 | def _process_config_includes(self): | |
1203 | # Process inclusions in this order: | |
1204 | # | |
1205 | # 1. Clock type node and event type nodes (the order between | |
1206 | # those is not important). | |
1207 | # | |
1208 | # 2. Stream type nodes. | |
1209 | # | |
1210 | # 3. Trace type node. | |
1211 | # | |
1212 | # 4. Trace node. | |
1213 | # | |
1214 | # This is because: | |
1215 | # | |
1216 | # * A trace node can include a trace type node, clock type | |
1217 | # nodes, stream type nodes, and event type nodes. | |
1218 | # | |
1219 | # * A trace type node can include clock type nodes, stream type | |
1220 | # nodes, and event type nodes. | |
1221 | # | |
1222 | # * A stream type node can include event type nodes. | |
1223 | # | |
1224 | # First, make sure the configuration node itself is valid for | |
1225 | # the inclusion processing stage. | |
c3fa1a14 | 1226 | self._schema_validator.validate(self.config_node, 'config/3/config-pre-include') |
4810b707 PP |
1227 | |
1228 | # Process trace node inclusions. | |
1229 | # | |
1230 | # self._process_trace_node_include() returns a new (or the same) | |
1231 | # trace node without any `$include` property in it, recursively. | |
2d55dc7d | 1232 | self.config_node['trace'] = self._process_trace_node_include(self.config_node['trace']) |
4810b707 PP |
1233 | |
1234 | def _parse(self): | |
1235 | # process configuration node inclusions | |
1236 | self._process_config_includes() | |
1237 | ||
1238 | # Expand field type nodes. | |
1239 | # | |
1240 | # This process: | |
1241 | # | |
1242 | # 1. Replaces field type aliases with "effective" field type | |
1243 | # nodes, recursively. | |
1244 | # | |
1245 | # After this step, the `$field-type-aliases` property of the | |
1246 | # trace type node is gone. | |
1247 | # | |
1248 | # 2. Applies inheritance, following the `$inherit` properties. | |
1249 | # | |
1250 | # After this step, field type nodes do not contain `$inherit` | |
1251 | # properties. | |
1252 | # | |
1253 | # This is done blindly, in that the process _doesn't_ validate | |
1254 | # field type nodes at this point. | |
1255 | self._expand_fts() | |
1256 | ||
1257 | # Substitute log level aliases. | |
1258 | # | |
1259 | # This process: | |
1260 | # | |
1261 | # 1. Replaces log level aliases in event type nodes with their | |
1262 | # numeric equivalents as found in the `$log-level-aliases` | |
1263 | # property of the trace type node. | |
1264 | # | |
1265 | # 2. Removes the `$log-level-aliases` property from the trace | |
1266 | # type node. | |
1267 | self._sub_log_level_aliases() | |
1268 | ||
1269 | # At this point, the configuration node must be valid as an | |
1270 | # effective configuration node. | |
c3fa1a14 | 1271 | self._schema_validator.validate(self.config_node, 'config/3/config') |
4810b707 PP |
1272 | |
1273 | # Normalize properties. | |
1274 | # | |
1275 | # This process removes `None` properties and chooses specific | |
1276 | # enumerators when aliases exist (for example, `big-endian` | |
1277 | # instead of `be`). | |
1278 | # | |
1279 | # The goal of this is that, if the user then gets this parser's | |
1280 | # `config_node` property, it has a normal and very readable | |
1281 | # form. | |
1282 | # | |
1283 | # It also makes _create_config() easier to implement because it | |
1284 | # doesn't need to check for `None` nodes or enumerator aliases. | |
1285 | self._normalize_props() | |
1286 | ||
4c91e769 PP |
1287 | # Set the target byte order. |
1288 | self._set_target_byte_order() | |
4810b707 PP |
1289 | |
1290 | # Create a barectf configuration object from the configuration | |
1291 | # node. | |
1292 | self._create_config() | |
1293 | ||
1294 | @property | |
2d55dc7d | 1295 | def config(self) -> barectf_config.Configuration: |
4810b707 PP |
1296 | return self._config |
1297 | ||
1298 | @property | |
2d55dc7d PP |
1299 | def config_node(self) -> _MapNode: |
1300 | return typing.cast(barectf_config_parse_common._ConfigNodeV3, self._root_node).config_node |