519 lines
18 KiB
Python
519 lines
18 KiB
Python
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import pickle
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import re
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import sys
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from dataclasses import dataclass, field
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from enum import Enum
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from typing import List, Optional, Iterable, Set, Tuple
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from bidict import bidict
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from termcolor import colored
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sys.path.append("../../autoware/build/tracetools_read/")
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sys.path.append("../../autoware/build/tracetools_analysis/")
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from clang_interop.cl_types import ClMethod, ClContext, ClSubscription
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from tracing_interop.tr_types import TrContext, TrSubscriptionObject, TrSubscription, TrCallbackSymbol, TrTimer
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class TKind(Enum):
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# language=PythonRegExp
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identifier = r"(?P<identifier>(?:[\w$-]+::)*[\w$-]+|[+-]?[0-9]+|\".*?\"|'.*?')"
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# language=PythonRegExp
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ang_open = r"(?P<ang_open><)"
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# language=PythonRegExp
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ang_close = r"(?P<ang_close>>)"
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# language=PythonRegExp
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par_open = r"(?P<par_open>\()"
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# language=PythonRegExp
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par_close = r"(?P<par_close>\))"
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# language=PythonRegExp
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hash = r"(?P<hash>#)"
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# language=PythonRegExp
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curl_open = r"(?P<curl_open>\{)"
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# language=PythonRegExp
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curl_close = r"(?P<curl_close>})"
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# language=PythonRegExp
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brack_open = r"(?P<brack_open>\[)"
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# language=PythonRegExp
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brack_close = r"(?P<brack_close>])"
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# language=PythonRegExp
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whitespace = r"(?P<whitespace>\s+)"
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# language=PythonRegExp
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ref = r"(?P<ref>&)"
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# language=PythonRegExp
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ptr = r"(?P<ptr>\*)"
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# language=PythonRegExp
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comma = r"(?P<comma>,)"
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# language=PythonRegExp
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ns_sep = r"(?P<ns_sep>::)"
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# language=PythonRegExp
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unknown_symbol = r"(?P<unknown_symbol>\?)"
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def __repr__(self):
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return self.name
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class ASTEntry:
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def get_token_stream(self):
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pass
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@dataclass
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class ASTLeaf(ASTEntry):
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kind: TKind
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spelling: str
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def get_token_stream(self):
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return [self]
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def __repr__(self):
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return self.spelling if self.kind != TKind.identifier else f'"{self.spelling}"'
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@dataclass
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class ASTNode(ASTEntry):
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type: str
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children: List[ASTEntry] = field(default_factory=list)
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parent: Optional['ASTNode'] = field(default_factory=lambda: None)
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start: ASTLeaf | None = field(default_factory=lambda: None)
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end: ASTLeaf | None = field(default_factory=lambda: None)
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def get_token_stream(self) -> List[ASTLeaf]:
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stream = []
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for c in self.children:
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stream += c.get_token_stream()
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if self.start:
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stream.insert(0, self.start)
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if self.end:
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stream.append(self.end)
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return stream
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def __repr__(self):
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tokens = self.get_token_stream()
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ret = ""
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last_tkind = None
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for t in tokens:
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match t.kind:
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case TKind.identifier:
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if last_tkind == TKind.identifier:
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ret += " "
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ret += t.spelling
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last_tkind = t.kind
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return ret
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BRACK_MAP = bidict({
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TKind.curl_open: TKind.curl_close,
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TKind.par_open: TKind.par_close,
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TKind.brack_open: TKind.brack_close,
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TKind.ang_open: TKind.ang_close
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})
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BRACK_SPELLING_MAP = bidict({
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'{': '}',
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'(': ')',
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'[': ']',
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'<': '>'
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})
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TR_BLACKLIST = [
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"tf2_ros::TransformListener",
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"rtc_auto_approver::RTCAutoApproverInterface",
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"rclcpp::TimeSource",
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"rclcpp::ParameterService",
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"rclcpp_components::ComponentManager",
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"rosbag2",
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"std_srvs::srv"
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]
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def cl_deps_to_tr_deps(matches: Set[Tuple], tr: TrContext, cl: ClContext):
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##################################################
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# Narrow down matches
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##################################################
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# The `match()` function returns an n-to-m
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# mapping between cl and tr symbols.
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# This n-to-m mapping has to be narrowed down
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# to 1-to-1. This is done by building cohorts
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# of cl symbols which belong to the same node
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# and filtering out outliers.
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##################################################
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final_tr_deps = dict()
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for cl_cb_id, cl_dep_ids in cl.dependencies.items():
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cl_cb_id: int
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cl_dep_ids: Iterable[int]
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##################################################
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# 1. For all cl dependencies, build all possible
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# tr dependencies with the matches we have.
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##################################################
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cl_cb = next(filter(lambda m: m.id == cl_cb_id, cl.methods), None)
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cl_deps = set(filter(lambda m: m.id in cl_dep_ids, cl.methods))
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if cl_cb is None or len(cl_deps) < len(cl_deps):
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print(colored(f"[ERROR][CL] Callback has not all CL methods defined", "red"))
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if cl_cb is None:
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continue # for cl.dependencies.items()
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# Because the mapping is n-to-m, we have tr_cbs as a set, instead of a single tr_cb
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tr_cbs = set(tr_obj for cl_obj, tr_obj, *_ in matches if cl_obj == cl_cb)
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tr_deps = set(tr_obj for cl_obj, tr_obj, *_ in matches if cl_obj in cl_deps)
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##################################################
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# 2. Filter out all combinations where
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# dependencies leave a node.
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##################################################
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def owner_node(sym: TrCallbackSymbol):
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cb_objs = sym.callback_objs
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owners = [cb_obj.owner for cb_obj in cb_objs]
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owner_nodes = set()
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for owner in owners:
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match owner:
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case TrSubscriptionObject() as sub:
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sub: TrSubscriptionObject
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owner_nodes.add(sub.subscription.node)
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case TrTimer() as tmr:
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tmr: TrTimer
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owner_nodes.update(tmr.nodes)
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if len(owner_nodes) == 1:
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return owner_nodes.pop()
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return None
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viable_matchings = {}
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for tr_cb in tr_cbs:
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tr_cb: TrCallbackSymbol
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owner = owner_node(tr_cb)
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if owner is None:
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continue # for tr_cbs
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valid_deps = set(dep for dep in tr_deps if owner_node(dep) == owner)
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if not valid_deps:
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continue # for tr_cbs
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viable_matchings[tr_cb] = valid_deps
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if not viable_matchings:
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print(colored(f"[ERROR][CL] Callback has not all TR equivalents for CL: {cl_cb.signature}", "red"))
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continue # for cl.dependencies.items()
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##################################################
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# 3. Select the matching with the highest number
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# of mapped dependencies (= the smallest number
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# of unmapped cl deps)
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##################################################
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print(len(viable_matchings), ', '.join(map(str, map(len, viable_matchings.values()))))
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final_tr_deps.update(viable_matchings)
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return final_tr_deps
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def match(tr: TrContext, cl: ClContext):
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def _is_excluded(symbol: str):
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return any(item in symbol for item in TR_BLACKLIST)
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cl_methods = [cb for cb in cl.methods
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if any(sub.callback_id == cb.id for sub in cl.subscriptions)
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or any(tmr.callback_id == cb.id for tmr in cl.timers)]
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tr_callbacks = [(sym.symbol, sym) for sym in tr.callback_symbols.values() if not _is_excluded(sym.symbol)]
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cl_callbacks = [(cb.signature, cb) for cb in cl_methods]
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tr_callbacks = [(repr(sanitize(k)), v) for k, v in tr_callbacks]
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cl_callbacks = [(repr(sanitize(k)), v) for k, v in cl_callbacks]
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matches_sig = set()
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tr_matched = set()
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cl_matched = set()
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for cl_sig, cl_obj in cl_callbacks:
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matches = set(tr_obj for tr_sig, tr_obj in tr_callbacks if tr_sig == cl_sig)
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tr_matched |= matches
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if matches:
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cl_matched.add(cl_obj)
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for tr_obj in matches:
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matches_sig.add((cl_obj, tr_obj, cl_sig))
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matches_topic = set()
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for _, cl_obj in cl_callbacks:
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# Get subscription of the callback (if any)
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cl_sub: ClSubscription | None = next((sub for sub in cl.subscriptions if sub.callback_id == cl_obj.id), None)
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if not cl_sub:
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continue
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cl_topic = re.sub(r"~/(input/)?", "", cl_sub.topic)
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matches = set()
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for _, tr_obj in tr_callbacks:
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tr_cb = tr_obj.callback_objs[0] if len(tr_obj.callback_objs) == 1 else None
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if not tr_cb:
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continue
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match tr_cb.owner:
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case TrSubscriptionObject(subscription=tr_sub):
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tr_sub: TrSubscription
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tr_topic = tr_sub.topic_name
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if not tr_topic:
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continue
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case _:
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continue
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if tr_topic.endswith(cl_topic):
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matches_topic.add((cl_obj, tr_obj, cl_topic, tr_topic))
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matches.add(tr_obj)
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tr_matched |= matches
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if matches:
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cl_matched.add(cl_obj)
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all_matches = matches_sig | matches_topic
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def count_dup(matches):
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cl_dup = 0
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tr_dup = 0
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for (cl_obj, tr_obj, *_) in matches:
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n_cl_dups = len([cl2 for cl2, *_ in matches if cl2 == cl_obj])
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if n_cl_dups > 1:
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cl_dup += 1 / n_cl_dups
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n_tr_dups = len([tr2 for _, tr2, *_ in matches if tr2 == tr_obj])
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if n_tr_dups > 1:
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tr_dup += 1 / n_tr_dups
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print(int(cl_dup), int(tr_dup))
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count_dup(all_matches)
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tr_unmatched = set(tr_obj for _, tr_obj in tr_callbacks) - tr_matched
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cl_unmatched = set(cl_obj for _, cl_obj in cl_callbacks) - cl_matched
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return all_matches, tr_unmatched, cl_unmatched
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def match_and_modify_children(node: ASTEntry, match_func):
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if not isinstance(node, ASTNode):
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return node
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for i in range(len(node.children)):
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seq_head = node.children[:i]
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seq_tail = node.children[i:]
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match_result = match_func(seq_head, seq_tail, node)
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if match_result is not None:
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node.children = match_result
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return node
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def sanitize(sig: str):
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ast = build_ast(sig)
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def _remove_qualifiers(node: ASTEntry):
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match node:
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case ASTLeaf(TKind.identifier, 'class' | 'struct' | 'const'):
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return None
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return node
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def _remove_std_wrappers(node: ASTEntry):
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def _child_seq_matcher(head, tail, _):
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match tail:
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case [ASTLeaf(TKind.identifier, "std::allocator"), ASTNode('<>'), *rest]:
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return head + rest
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case [ASTLeaf(TKind.identifier, "std::shared_ptr"), ASTNode('<>', ptr_type), *rest]:
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return head + ptr_type + rest
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return None
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return match_and_modify_children(node, _child_seq_matcher)
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def _remove_std_bind(node: ASTEntry):
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def _child_seq_matcher(head, tail, parent):
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match tail:
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case [ASTLeaf(TKind.identifier, "std::_Bind"),
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ASTNode(type='<>', children=[
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callee_ret,
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ASTNode('()', children=[*callee_ptr, ASTNode('()', bind_args)]),
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ASTNode('()') as replacement_args])]:
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return [callee_ret] + head + [ASTNode('()', callee_ptr, parent,
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ASTLeaf(TKind.par_open, '('),
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ASTLeaf(TKind.par_close, ')')),
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replacement_args]
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return None
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return match_and_modify_children(node, _child_seq_matcher)
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def _unwrap_lambda(node: ASTEntry):
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def _child_seq_matcher(head, tail, parent):
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match tail:
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case [ASTNode(type='()') as containing_method_args,
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ASTLeaf(TKind.ns_sep),
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ASTNode(type='{}',
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children=[
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ASTLeaf(TKind.identifier, "lambda"),
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ASTNode(type='()') as lambda_sig,
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ASTLeaf(TKind.hash),
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ASTLeaf(TKind.identifier)
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]),
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*_]:
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return [ASTLeaf(TKind.identifier, "void")] + \
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[ASTNode('()',
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head + [containing_method_args],
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parent,
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ASTLeaf(TKind.par_open, '('),
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|
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ASTLeaf(TKind.par_close, ')'))] + \
|
||
|
|
[lambda_sig] + tail[3:]
|
||
|
|
|
||
|
|
return None
|
||
|
|
|
||
|
|
return match_and_modify_children(node, _child_seq_matcher)
|
||
|
|
|
||
|
|
def _remove_artifacts(node: ASTEntry):
|
||
|
|
def _child_seq_matcher(head, tail, _):
|
||
|
|
match tail:
|
||
|
|
case [ASTLeaf(TKind.ns_sep), ASTLeaf(TKind.ref | TKind.ptr), *rest]:
|
||
|
|
return head + rest
|
||
|
|
return None
|
||
|
|
|
||
|
|
match node:
|
||
|
|
case ASTLeaf(TKind.identifier, spelling):
|
||
|
|
return ASTLeaf(TKind.identifier, re.sub(r"(_|const)$", "", spelling))
|
||
|
|
case ASTNode('<>', []):
|
||
|
|
return None
|
||
|
|
case ASTNode():
|
||
|
|
return match_and_modify_children(node, _child_seq_matcher)
|
||
|
|
case ASTLeaf(TKind.ref | TKind.ptr | TKind.ns_sep | TKind.unknown_symbol):
|
||
|
|
return None
|
||
|
|
return node
|
||
|
|
|
||
|
|
def _replace_verbose_types(node: ASTEntry):
|
||
|
|
match node:
|
||
|
|
case ASTLeaf(TKind.identifier, "_Bool"):
|
||
|
|
return ASTLeaf(TKind.identifier, "bool")
|
||
|
|
|
||
|
|
return node
|
||
|
|
|
||
|
|
def _replace_lambda_enumerations(node: ASTEntry):
|
||
|
|
match node:
|
||
|
|
case ASTNode(children=[*_, ASTLeaf(TKind.identifier, idf)]) as node:
|
||
|
|
if re.fullmatch(r"\$_[0-9]+", idf):
|
||
|
|
node.children = node.children[:-1] + [ASTLeaf(TKind.identifier, "$lambda")]
|
||
|
|
|
||
|
|
return node
|
||
|
|
|
||
|
|
def _remove_return_types(node: ASTEntry):
|
||
|
|
match node:
|
||
|
|
case ASTNode("ast", [ASTLeaf(TKind.identifier), qualified_name, ASTNode('()') as params]) as node:
|
||
|
|
match qualified_name:
|
||
|
|
case ASTNode('()', name_unwrapped):
|
||
|
|
qualified_name = name_unwrapped
|
||
|
|
case _:
|
||
|
|
qualified_name = [qualified_name]
|
||
|
|
node.children = qualified_name + [params]
|
||
|
|
|
||
|
|
return node
|
||
|
|
|
||
|
|
ast = traverse(ast, _remove_qualifiers)
|
||
|
|
ast = traverse(ast, _remove_std_wrappers)
|
||
|
|
ast = traverse(ast, _remove_std_bind)
|
||
|
|
ast = traverse(ast, _unwrap_lambda)
|
||
|
|
ast = traverse(ast, _remove_artifacts)
|
||
|
|
ast = traverse(ast, _replace_verbose_types)
|
||
|
|
ast = traverse(ast, _replace_lambda_enumerations)
|
||
|
|
#ast = _remove_return_types(ast)
|
||
|
|
return ast
|
||
|
|
|
||
|
|
|
||
|
|
def traverse(node: ASTEntry, action) -> ASTEntry | None:
|
||
|
|
match node:
|
||
|
|
case ASTNode():
|
||
|
|
children = []
|
||
|
|
for c in node.children:
|
||
|
|
c = traverse(c, action)
|
||
|
|
match c:
|
||
|
|
case list():
|
||
|
|
children += c
|
||
|
|
case None:
|
||
|
|
pass
|
||
|
|
case _:
|
||
|
|
children.append(c)
|
||
|
|
|
||
|
|
node.children = children
|
||
|
|
return action(node)
|
||
|
|
|
||
|
|
|
||
|
|
def build_ast(sig: str):
|
||
|
|
tokens = tokenize(sig)
|
||
|
|
|
||
|
|
ast = ASTNode("ast", [], None)
|
||
|
|
parens_stack = []
|
||
|
|
current_node = ast
|
||
|
|
for token in tokens:
|
||
|
|
match token.kind:
|
||
|
|
case TKind.ang_open | TKind.curl_open | TKind.brack_open | TKind.par_open:
|
||
|
|
parens_stack.append(token.kind)
|
||
|
|
brack_content_ast_node = ASTNode(f"{token.spelling}{BRACK_SPELLING_MAP[token.spelling]}",
|
||
|
|
[],
|
||
|
|
current_node,
|
||
|
|
start=token,
|
||
|
|
end=ASTLeaf(BRACK_MAP[token.kind], BRACK_SPELLING_MAP[token.spelling]))
|
||
|
|
current_node.children.append(brack_content_ast_node)
|
||
|
|
current_node = brack_content_ast_node
|
||
|
|
case TKind.ang_close | TKind.curl_close | TKind.brack_close | TKind.par_close:
|
||
|
|
if not parens_stack or BRACK_MAP.inv[token.kind] != parens_stack[-1]:
|
||
|
|
expect_str = parens_stack[-1] if parens_stack else "nothing"
|
||
|
|
raise ValueError(
|
||
|
|
f"Invalid brackets: encountered {token.spelling} when expecting {expect_str} in '{sig}'")
|
||
|
|
parens_stack.pop()
|
||
|
|
current_node = current_node.parent
|
||
|
|
case TKind.whitespace:
|
||
|
|
continue
|
||
|
|
case _:
|
||
|
|
current_node.children.append(token)
|
||
|
|
|
||
|
|
if parens_stack:
|
||
|
|
raise ValueError(f"Token stream finished but unclosed brackets remain: {parens_stack} in '{sig}'")
|
||
|
|
|
||
|
|
return ast
|
||
|
|
|
||
|
|
|
||
|
|
def tokenize(sig: str) -> List[ASTLeaf]:
|
||
|
|
token_matchers = [t.value for t in TKind]
|
||
|
|
tokens = list(re.finditer('|'.join(token_matchers), sig))
|
||
|
|
|
||
|
|
prev_end = 0
|
||
|
|
for t in tokens:
|
||
|
|
t_start, t_end = t.span()
|
||
|
|
if t_start != prev_end:
|
||
|
|
raise ValueError(f"Tokenizer failed at char {t_start}: '{sig}'")
|
||
|
|
prev_end = t_end
|
||
|
|
|
||
|
|
if prev_end != len(sig):
|
||
|
|
raise ValueError(f"Tokenization not exhaustive for: '{sig}'")
|
||
|
|
|
||
|
|
tokens = [tuple(next(filter(lambda pair: pair[-1] is not None, t.groupdict().items()))) for t in tokens]
|
||
|
|
tokens = [ASTLeaf(TKind.__members__[k], v) for k, v in tokens]
|
||
|
|
return tokens
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
with open("../cache/cl_objects_7b616c9c48.pkl", "rb") as f:
|
||
|
|
print("Loading Clang Objects... ", end='')
|
||
|
|
cl: ClContext = pickle.load(f)
|
||
|
|
print("Done.")
|
||
|
|
|
||
|
|
with open("../cache/tr_objects_c1e0d50b8d.pkl", "rb") as f:
|
||
|
|
print("Loading Tracing Objects... ", end='')
|
||
|
|
tr: TrContext = pickle.load(f)
|
||
|
|
print("Done.")
|
||
|
|
|
||
|
|
matches, _, _ = match(tr, cl)
|
||
|
|
cl_deps_to_tr_deps(matches, tr, cl)
|