mirror of https://github.com/m-labs/artiq.git
Add basic support for embedded functions with new compiler.
This commit is contained in:
whitequark
parent
b6e2613f77
commit
353f454a29
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@ -1 +1,2 @@
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from .module import Module, Source
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from .embedding import Stitcher
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@ -93,3 +93,5 @@ class YieldFromT(ast.YieldFrom, commontyped):
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# Novel typed nodes
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class CoerceT(ast.expr, commontyped):
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_fields = ('value',) # other_value deliberately not in _fields
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class QuoteT(ast.expr, commontyped):
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_fields = ('value',)
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@ -0,0 +1,157 @@
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"""
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The :class:`Stitcher` class allows to transparently combine compiled
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Python code and Python code executed on the host system: it resolves
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the references to the host objects and translates the functions
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annotated as ``@kernel`` when they are referenced.
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"""
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import inspect
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from pythonparser import ast, source, diagnostic, parse_buffer
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from . import types, builtins, asttyped, prelude
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from .transforms import ASTTypedRewriter, Inferencer
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class ASTSynthesizer:
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def __init__(self):
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self.source = ""
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self.source_buffer = source.Buffer(self.source, "<synthesized>")
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def finalize(self):
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self.source_buffer.source = self.source
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return self.source_buffer
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def _add(self, fragment):
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range_from = len(self.source)
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self.source += fragment
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range_to = len(self.source)
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return source.Range(self.source_buffer, range_from, range_to)
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def quote(self, value):
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"""Construct an AST fragment equal to `value`."""
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if value in (None, True, False):
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if node.value is True or node.value is False:
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typ = builtins.TBool()
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elif node.value is None:
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typ = builtins.TNone()
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return asttyped.NameConstantT(value=value, type=typ,
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loc=self._add(repr(value)))
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elif isinstance(value, (int, float)):
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if isinstance(value, int):
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typ = builtins.TInt()
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elif isinstance(value, float):
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typ = builtins.TFloat()
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return asttyped.NumT(n=value, ctx=None, type=typ,
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loc=self._add(repr(value)))
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elif isinstance(value, list):
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begin_loc = self._add("[")
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elts = []
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for index, elt in value:
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elts.append(self.quote(elt))
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if index < len(value) - 1:
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self._add(", ")
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end_loc = self._add("]")
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return asttyped.ListT(elts=elts, ctx=None, type=types.TVar(),
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begin_loc=begin_loc, end_loc=end_loc,
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loc=begin_loc.join(end_loc))
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else:
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raise "no"
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# return asttyped.QuoteT(value=value, type=types.TVar())
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def call(self, function_node, args, kwargs):
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"""
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Construct an AST fragment calling a function specified by
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an AST node `function_node`, with given arguments.
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"""
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arg_nodes = []
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kwarg_nodes = []
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kwarg_locs = []
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name_loc = self._add(function_node.name)
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begin_loc = self._add("(")
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for index, arg in enumerate(args):
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arg_nodes.append(self.quote(arg))
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if index < len(args) - 1:
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self._add(", ")
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if any(args) and any(kwargs):
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self._add(", ")
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for index, kw in enumerate(kwargs):
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arg_loc = self._add(kw)
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equals_loc = self._add("=")
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kwarg_locs.append((arg_loc, equals_loc))
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kwarg_nodes.append(self.quote(kwargs[kw]))
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if index < len(kwargs) - 1:
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self._add(", ")
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end_loc = self._add(")")
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return asttyped.CallT(
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func=asttyped.NameT(id=function_node.name, ctx=None,
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type=function_node.signature_type,
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loc=name_loc),
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args=arg_nodes,
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keywords=[ast.keyword(arg=kw, value=value,
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arg_loc=arg_loc, equals_loc=equals_loc,
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loc=arg_loc.join(value.loc))
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for kw, value, (arg_loc, equals_loc)
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in zip(kwargs, kwarg_nodes, kwarg_locs)],
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starargs=None, kwargs=None,
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type=types.TVar(),
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begin_loc=begin_loc, end_loc=end_loc, star_loc=None, dstar_loc=None,
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loc=name_loc.join(end_loc))
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class StitchingASTTypedRewriter(ASTTypedRewriter):
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pass
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class Stitcher:
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def __init__(self, engine=None):
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if engine is None:
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self.engine = diagnostic.Engine(all_errors_are_fatal=True)
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else:
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self.engine = engine
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self.asttyped_rewriter = StitchingASTTypedRewriter(
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engine=self.engine, globals=prelude.globals())
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self.inferencer = Inferencer(engine=self.engine)
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self.name = "stitched"
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self.typedtree = None
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self.globals = self.asttyped_rewriter.globals
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self.rpc_map = {}
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def _iterate(self):
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# Iterate inference to fixed point.
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self.inference_finished = False
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while not self.inference_finished:
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self.inference_finished = True
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self.inferencer.visit(self.typedtree)
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def _parse_embedded_function(self, function):
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if not hasattr(function, "artiq_embedded"):
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raise ValueError("{} is not an embedded function".format(repr(function)))
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# Extract function source.
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embedded_function = function.artiq_embedded.function
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source_code = inspect.getsource(embedded_function)
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filename = embedded_function.__code__.co_filename
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first_line = embedded_function.__code__.co_firstlineno
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# Parse.
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source_buffer = source.Buffer(source_code, filename, first_line)
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parsetree, comments = parse_buffer(source_buffer, engine=self.engine)
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# Rewrite into typed form.
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typedtree = self.asttyped_rewriter.visit(parsetree)
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return typedtree, typedtree.body[0]
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def stitch_call(self, function, args, kwargs):
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self.typedtree, function_node = self._parse_embedded_function(function)
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# We synthesize fake source code for the initial call so that
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# diagnostics would have something meaningful to display to the user.
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synthesizer = ASTSynthesizer()
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call_node = synthesizer.call(function_node, args, kwargs)
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synthesizer.finalize()
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self.typedtree.body.append(call_node)
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self._iterate()
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@ -190,10 +190,15 @@ class ASTTypedRewriter(algorithm.Transformer):
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self.globals = None
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self.env_stack = [globals]
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def _find_name(self, name, loc):
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def _try_find_name(self, name):
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for typing_env in reversed(self.env_stack):
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if name in typing_env:
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return typing_env[name]
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def _find_name(self, name, loc):
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typ = self._try_find_name(name)
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if typ is not None:
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return typ
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diag = diagnostic.Diagnostic("fatal",
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"name '{name}' is not bound to anything", {"name":name}, loc)
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self.engine.process(diag)
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@ -3,9 +3,7 @@ import logging
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from enum import Enum
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from fractions import Fraction
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from artiq.coredevice import runtime_exceptions
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from artiq.language import core as core_language
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from artiq.coredevice.rpc_wrapper import RPCWrapper
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logger = logging.getLogger(__name__)
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@ -198,35 +196,28 @@ class CommGeneric:
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else:
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r.append(self._receive_rpc_value(type_tag))
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def _serve_rpc(self, rpc_wrapper, rpc_map, user_exception_map):
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def _serve_rpc(self, rpc_map):
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rpc_num = struct.unpack(">l", self.read(4))[0]
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args = self._receive_rpc_values()
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logger.debug("rpc service: %d %r", rpc_num, args)
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eid, r = rpc_wrapper.run_rpc(
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user_exception_map, rpc_map[rpc_num], args)
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eid, r = rpc_wrapper.run_rpc(rpc_map[rpc_num], args)
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self._write_header(9+2*4, _H2DMsgType.RPC_REPLY)
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self.write(struct.pack(">ll", eid, r))
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logger.debug("rpc service: %d %r == %r (eid %d)", rpc_num, args,
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r, eid)
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def _serve_exception(self, rpc_wrapper, user_exception_map):
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def _serve_exception(self):
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eid, p0, p1, p2 = struct.unpack(">lqqq", self.read(4+3*8))
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rpc_wrapper.filter_rpc_exception(eid)
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if eid < core_language.first_user_eid:
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exception = runtime_exceptions.exception_map[eid]
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raise exception(self.core, p0, p1, p2)
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else:
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exception = user_exception_map[eid]
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raise exception
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def serve(self, rpc_map, user_exception_map):
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rpc_wrapper = RPCWrapper()
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def serve(self, rpc_map):
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while True:
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_, ty = self._read_header()
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if ty == _D2HMsgType.RPC_REQUEST:
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self._serve_rpc(rpc_wrapper, rpc_map, user_exception_map)
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self._serve_rpc(rpc_map)
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elif ty == _D2HMsgType.KERNEL_EXCEPTION:
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self._serve_exception(rpc_wrapper, user_exception_map)
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self._serve_exception()
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elif ty == _D2HMsgType.KERNEL_FINISHED:
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return
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else:
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@ -1,50 +1,20 @@
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import os
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import os, sys, tempfile
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from pythonparser import diagnostic
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from artiq.language.core import *
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from artiq.language.units import ns
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from artiq.transforms.inline import inline
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from artiq.transforms.quantize_time import quantize_time
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from artiq.transforms.remove_inter_assigns import remove_inter_assigns
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from artiq.transforms.fold_constants import fold_constants
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from artiq.transforms.remove_dead_code import remove_dead_code
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from artiq.transforms.unroll_loops import unroll_loops
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from artiq.transforms.interleave import interleave
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from artiq.transforms.lower_time import lower_time
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from artiq.transforms.unparse import unparse
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from artiq.compiler import Stitcher, Module
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from artiq.compiler.targets import OR1KTarget
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from artiq.coredevice.runtime import Runtime
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from artiq.py2llvm import get_runtime_binary
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# Import for side effects (creating the exception classes).
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from artiq.coredevice import exceptions
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def _announce_unparse(label, node):
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print("*** Unparsing: "+label)
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print(unparse(node))
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def _make_debug_unparse(final):
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try:
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env = os.environ["ARTIQ_UNPARSE"]
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except KeyError:
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env = ""
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selected_labels = set(env.split())
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if "all" in selected_labels:
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return _announce_unparse
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else:
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if "final" in selected_labels:
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selected_labels.add(final)
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def _filtered_unparse(label, node):
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if label in selected_labels:
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_announce_unparse(label, node)
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return _filtered_unparse
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def _no_debug_unparse(label, node):
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class CompileError(Exception):
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pass
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class Core:
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def __init__(self, dmgr, ref_period=8*ns, external_clock=False):
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self.comm = dmgr.get("comm")
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@ -54,70 +24,41 @@ class Core:
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self.first_run = True
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self.core = self
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self.comm.core = self
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self.runtime = Runtime()
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def transform_stack(self, func_def, rpc_map, exception_map,
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debug_unparse=_no_debug_unparse):
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remove_inter_assigns(func_def)
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debug_unparse("remove_inter_assigns_1", func_def)
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def compile(self, function, args, kwargs, with_attr_writeback=True):
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try:
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engine = diagnostic.Engine(all_errors_are_fatal=True)
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quantize_time(func_def, self.ref_period)
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debug_unparse("quantize_time", func_def)
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stitcher = Stitcher(engine=engine)
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stitcher.stitch_call(function, args, kwargs)
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fold_constants(func_def)
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debug_unparse("fold_constants_1", func_def)
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module = Module(stitcher)
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library = OR1KTarget().compile_and_link([module])
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unroll_loops(func_def, 500)
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debug_unparse("unroll_loops", func_def)
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return library, stitcher.rpc_map
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except diagnostic.Error as error:
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print("\n".join(error.diagnostic.render(colored=True)), file=sys.stderr)
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raise CompileError() from error
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interleave(func_def)
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debug_unparse("interleave", func_def)
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lower_time(func_def)
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debug_unparse("lower_time", func_def)
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remove_inter_assigns(func_def)
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debug_unparse("remove_inter_assigns_2", func_def)
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fold_constants(func_def)
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debug_unparse("fold_constants_2", func_def)
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remove_dead_code(func_def)
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debug_unparse("remove_dead_code_1", func_def)
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remove_inter_assigns(func_def)
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debug_unparse("remove_inter_assigns_3", func_def)
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fold_constants(func_def)
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debug_unparse("fold_constants_3", func_def)
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remove_dead_code(func_def)
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debug_unparse("remove_dead_code_2", func_def)
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def compile(self, k_function, k_args, k_kwargs, with_attr_writeback=True):
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debug_unparse = _make_debug_unparse("remove_dead_code_2")
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func_def, rpc_map, exception_map = inline(
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self, k_function, k_args, k_kwargs, with_attr_writeback)
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debug_unparse("inline", func_def)
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self.transform_stack(func_def, rpc_map, exception_map, debug_unparse)
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binary = get_runtime_binary(self.runtime, func_def)
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return binary, rpc_map, exception_map
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def run(self, k_function, k_args, k_kwargs):
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def run(self, function, args, kwargs):
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if self.first_run:
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self.comm.check_ident()
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self.comm.switch_clock(self.external_clock)
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binary, rpc_map, exception_map = self.compile(
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k_function, k_args, k_kwargs)
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self.comm.load(binary)
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self.comm.run(k_function.__name__)
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self.comm.serve(rpc_map, exception_map)
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self.first_run = False
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kernel_library, rpc_map = self.compile(function, args, kwargs)
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try:
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self.comm.load(kernel_library)
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except Exception as error:
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shlib_temp = tempfile.NamedTemporaryFile(suffix=".so", delete=False)
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shlib_temp.write(kernel_library)
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shlib_temp.close()
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raise RuntimeError("shared library dumped to {}".format(shlib_temp.name)) from error
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self.comm.run()
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self.comm.serve(rpc_map)
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@kernel
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def get_rtio_counter_mu(self):
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return syscall("rtio_get_counter")
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@ -0,0 +1,33 @@
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from artiq.language.core import ARTIQException
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class InternalError(ARTIQException):
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"""Raised when the runtime encounters an internal error condition."""
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class RTIOUnderflow(ARTIQException):
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"""Raised when the CPU fails to submit a RTIO event early enough
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(with respect to the event's timestamp).
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The offending event is discarded and the RTIO core keeps operating.
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"""
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class RTIOSequenceError(ARTIQException):
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"""Raised when an event is submitted on a given channel with a timestamp
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not larger than the previous one.
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The offending event is discarded and the RTIO core keeps operating.
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"""
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class RTIOOverflow(ARTIQException):
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"""Raised when at least one event could not be registered into the RTIO
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input FIFO because it was full (CPU not reading fast enough).
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This does not interrupt operations further than cancelling the current
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read attempt and discarding some events. Reading can be reattempted after
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the exception is caught, and events will be partially retrieved.
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"""
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class DDSBatchError(ARTIQException):
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"""Raised when attempting to start a DDS batch while already in a batch,
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or when too many commands are batched.
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"""
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@ -1,40 +0,0 @@
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from artiq.coredevice.runtime_exceptions import exception_map, _RPCException
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def _lookup_exception(d, e):
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for eid, exception in d.items():
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if isinstance(e, exception):
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return eid
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return 0
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class RPCWrapper:
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def __init__(self):
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self.last_exception = None
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def run_rpc(self, user_exception_map, fn, args):
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eid = 0
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r = None
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try:
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r = fn(*args)
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except Exception as e:
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eid = _lookup_exception(user_exception_map, e)
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if not eid:
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eid = _lookup_exception(exception_map, e)
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if eid:
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self.last_exception = None
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else:
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self.last_exception = e
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eid = _RPCException.eid
|
||||
|
||||
if r is None:
|
||||
r = 0
|
||||
else:
|
||||
r = int(r)
|
||||
|
||||
return eid, r
|
||||
|
||||
def filter_rpc_exception(self, eid):
|
||||
if eid == _RPCException.eid:
|
||||
raise self.last_exception
|
||||
|
|
@ -3,14 +3,8 @@ import os
|
|||
import llvmlite_or1k.ir as ll
|
||||
import llvmlite_or1k.binding as llvm
|
||||
|
||||
from artiq.py2llvm import base_types, fractions, lists
|
||||
from artiq.language import units
|
||||
|
||||
|
||||
llvm.initialize()
|
||||
llvm.initialize_all_targets()
|
||||
llvm.initialize_all_asmprinters()
|
||||
|
||||
_syscalls = {
|
||||
"now_init": "n:I",
|
||||
"now_save": "I:n",
|
||||
|
|
@ -97,27 +91,6 @@ class LinkInterface:
|
|||
self.syscalls[func_name] = ll.Function(
|
||||
llvm_module, func_type, "__syscall_" + func_name)
|
||||
|
||||
# exception handling
|
||||
func_type = ll.FunctionType(ll.IntType(32),
|
||||
[ll.PointerType(ll.IntType(8))])
|
||||
self.eh_setjmp = ll.Function(llvm_module, func_type,
|
||||
"__eh_setjmp")
|
||||
self.eh_setjmp.attributes.add("nounwind")
|
||||
self.eh_setjmp.attributes.add("returns_twice")
|
||||
|
||||
func_type = ll.FunctionType(ll.PointerType(ll.IntType(8)), [])
|
||||
self.eh_push = ll.Function(llvm_module, func_type, "__eh_push")
|
||||
|
||||
func_type = ll.FunctionType(ll.VoidType(), [ll.IntType(32)])
|
||||
self.eh_pop = ll.Function(llvm_module, func_type, "__eh_pop")
|
||||
|
||||
func_type = ll.FunctionType(ll.IntType(32), [])
|
||||
self.eh_getid = ll.Function(llvm_module, func_type, "__eh_getid")
|
||||
|
||||
func_type = ll.FunctionType(ll.VoidType(), [ll.IntType(32)])
|
||||
self.eh_raise = ll.Function(llvm_module, func_type, "__eh_raise")
|
||||
self.eh_raise.attributes.add("noreturn")
|
||||
|
||||
def _build_rpc(self, args, builder):
|
||||
r = base_types.VInt()
|
||||
if builder is not None:
|
||||
|
|
@ -159,54 +132,3 @@ class LinkInterface:
|
|||
return self._build_rpc(args, builder)
|
||||
else:
|
||||
return self._build_regular_syscall(syscall_name, args, builder)
|
||||
|
||||
def build_catch(self, builder):
|
||||
jmpbuf = builder.call(self.eh_push, [])
|
||||
exception_occured = builder.call(self.eh_setjmp, [jmpbuf])
|
||||
return builder.icmp_signed("!=",
|
||||
exception_occured,
|
||||
ll.Constant(ll.IntType(32), 0))
|
||||
|
||||
def build_pop(self, builder, levels):
|
||||
builder.call(self.eh_pop, [ll.Constant(ll.IntType(32), levels)])
|
||||
|
||||
def build_getid(self, builder):
|
||||
return builder.call(self.eh_getid, [])
|
||||
|
||||
def build_raise(self, builder, eid):
|
||||
builder.call(self.eh_raise, [eid])
|
||||
|
||||
|
||||
def _debug_dump_obj(obj):
|
||||
try:
|
||||
env = os.environ["ARTIQ_DUMP_OBJECT"]
|
||||
except KeyError:
|
||||
return
|
||||
|
||||
for i in range(1000):
|
||||
filename = "{}_{:03d}.elf".format(env, i)
|
||||
try:
|
||||
f = open(filename, "xb")
|
||||
except FileExistsError:
|
||||
pass
|
||||
else:
|
||||
f.write(obj)
|
||||
f.close()
|
||||
return
|
||||
raise IOError
|
||||
|
||||
|
||||
class Runtime(LinkInterface):
|
||||
def __init__(self):
|
||||
self.cpu_type = "or1k"
|
||||
# allow 1ms for all initial DDS programming
|
||||
self.warmup_time = 1*units.ms
|
||||
|
||||
def emit_object(self):
|
||||
tm = llvm.Target.from_triple(self.cpu_type).create_target_machine()
|
||||
obj = tm.emit_object(self.module.llvm_module_ref)
|
||||
_debug_dump_obj(obj)
|
||||
return obj
|
||||
|
||||
def __repr__(self):
|
||||
return "<Runtime {}>".format(self.cpu_type)
|
||||
|
|
|
|||
|
|
@ -1,69 +0,0 @@
|
|||
import inspect
|
||||
|
||||
from artiq.language.core import RuntimeException
|
||||
|
||||
|
||||
# Must be kept in sync with soc/runtime/exceptions.h
|
||||
|
||||
class InternalError(RuntimeException):
|
||||
"""Raised when the runtime encounters an internal error condition."""
|
||||
eid = 1
|
||||
|
||||
|
||||
class _RPCException(RuntimeException):
|
||||
eid = 2
|
||||
|
||||
|
||||
class RTIOUnderflow(RuntimeException):
|
||||
"""Raised when the CPU fails to submit a RTIO event early enough
|
||||
(with respect to the event's timestamp).
|
||||
|
||||
The offending event is discarded and the RTIO core keeps operating.
|
||||
"""
|
||||
eid = 3
|
||||
|
||||
def __str__(self):
|
||||
return "at {} on channel {}, violation {}".format(
|
||||
self.p0*self.core.ref_period,
|
||||
self.p1,
|
||||
(self.p2 - self.p0)*self.core.ref_period)
|
||||
|
||||
|
||||
class RTIOSequenceError(RuntimeException):
|
||||
"""Raised when an event is submitted on a given channel with a timestamp
|
||||
not larger than the previous one.
|
||||
|
||||
The offending event is discarded and the RTIO core keeps operating.
|
||||
"""
|
||||
eid = 4
|
||||
|
||||
def __str__(self):
|
||||
return "at {} on channel {}".format(self.p0*self.core.ref_period,
|
||||
self.p1)
|
||||
|
||||
|
||||
class RTIOOverflow(RuntimeException):
|
||||
"""Raised when at least one event could not be registered into the RTIO
|
||||
input FIFO because it was full (CPU not reading fast enough).
|
||||
|
||||
This does not interrupt operations further than cancelling the current
|
||||
read attempt and discarding some events. Reading can be reattempted after
|
||||
the exception is caught, and events will be partially retrieved.
|
||||
"""
|
||||
eid = 5
|
||||
|
||||
def __str__(self):
|
||||
return "on channel {}".format(self.p0)
|
||||
|
||||
|
||||
class DDSBatchError(RuntimeException):
|
||||
"""Raised when attempting to start a DDS batch while already in a batch,
|
||||
or when too many commands are batched.
|
||||
"""
|
||||
eid = 6
|
||||
|
||||
|
||||
exception_map = {e.eid: e for e in globals().values()
|
||||
if inspect.isclass(e)
|
||||
and issubclass(e, RuntimeException)
|
||||
and hasattr(e, "eid")}
|
||||
|
|
@ -8,7 +8,7 @@ from functools import wraps
|
|||
|
||||
__all__ = ["int64", "round64", "kernel", "portable",
|
||||
"set_time_manager", "set_syscall_manager", "set_watchdog_factory",
|
||||
"RuntimeException", "EncodedException"]
|
||||
"ARTIQException"]
|
||||
|
||||
# global namespace for kernels
|
||||
kernel_globals = ("sequential", "parallel",
|
||||
|
|
@ -77,7 +77,7 @@ def round64(x):
|
|||
return int64(round(x))
|
||||
|
||||
|
||||
_KernelFunctionInfo = namedtuple("_KernelFunctionInfo", "core_name k_function")
|
||||
_ARTIQEmbeddedInfo = namedtuple("_ARTIQEmbeddedInfo", "core_name function")
|
||||
|
||||
|
||||
def kernel(arg):
|
||||
|
|
@ -100,25 +100,19 @@ def kernel(arg):
|
|||
specifies the name of the attribute to use as core device driver.
|
||||
"""
|
||||
if isinstance(arg, str):
|
||||
def real_decorator(k_function):
|
||||
@wraps(k_function)
|
||||
def run_on_core(exp, *k_args, **k_kwargs):
|
||||
return getattr(exp, arg).run(k_function,
|
||||
((exp,) + k_args), k_kwargs)
|
||||
run_on_core.k_function_info = _KernelFunctionInfo(
|
||||
core_name=arg, k_function=k_function)
|
||||
def inner_decorator(function):
|
||||
@wraps(function)
|
||||
def run_on_core(self, *k_args, **k_kwargs):
|
||||
return getattr(self, arg).run(function, ((self,) + k_args), k_kwargs)
|
||||
run_on_core.artiq_embedded = _ARTIQEmbeddedInfo(
|
||||
core_name=arg, function=function)
|
||||
return run_on_core
|
||||
return real_decorator
|
||||
return inner_decorator
|
||||
else:
|
||||
@wraps(arg)
|
||||
def run_on_core(exp, *k_args, **k_kwargs):
|
||||
return exp.core.run(arg, ((exp,) + k_args), k_kwargs)
|
||||
run_on_core.k_function_info = _KernelFunctionInfo(
|
||||
core_name="core", k_function=arg)
|
||||
return run_on_core
|
||||
return kernel("core")(arg)
|
||||
|
||||
|
||||
def portable(f):
|
||||
def portable(function):
|
||||
"""This decorator marks a function for execution on the same device as its
|
||||
caller.
|
||||
|
||||
|
|
@ -127,8 +121,8 @@ def portable(f):
|
|||
core device). A decorated function called from a kernel will be executed
|
||||
on the core device (no RPC).
|
||||
"""
|
||||
f.k_function_info = _KernelFunctionInfo(core_name="", k_function=f)
|
||||
return f
|
||||
function.artiq_embedded = _ARTIQEmbeddedInfo(core_name="", function=function)
|
||||
return function
|
||||
|
||||
|
||||
class _DummyTimeManager:
|
||||
|
|
@ -280,32 +274,34 @@ def watchdog(timeout):
|
|||
return _watchdog_factory(timeout)
|
||||
|
||||
|
||||
_encoded_exceptions = dict()
|
||||
class ARTIQException(Exception):
|
||||
"""Base class for exceptions raised or passed through the core device."""
|
||||
|
||||
# Try and create an instance of the specific class, if one exists.
|
||||
def __new__(cls, name, message, params):
|
||||
def find_subclass(cls):
|
||||
if cls.__name__ == name:
|
||||
return cls
|
||||
else:
|
||||
for subclass in cls.__subclasses__():
|
||||
cls = find_subclass(subclass)
|
||||
if cls is not None:
|
||||
return cls
|
||||
|
||||
def EncodedException(eid):
|
||||
"""Represents exceptions on the core device, which are identified
|
||||
by a single number."""
|
||||
try:
|
||||
return _encoded_exceptions[eid]
|
||||
except KeyError:
|
||||
class EncodedException(Exception):
|
||||
def __init__(self):
|
||||
Exception.__init__(self, eid)
|
||||
_encoded_exceptions[eid] = EncodedException
|
||||
return EncodedException
|
||||
more_specific_cls = find_subclass(cls)
|
||||
if more_specific_cls is None:
|
||||
more_specific_cls = cls
|
||||
|
||||
exn = Exception.__new__(more_specific_cls)
|
||||
exn.__init__(name, message, params)
|
||||
return exn
|
||||
|
||||
class RuntimeException(Exception):
|
||||
"""Base class for all exceptions used by the device runtime.
|
||||
Those exceptions are defined in ``artiq.coredevice.runtime_exceptions``.
|
||||
"""
|
||||
def __init__(self, core, p0, p1, p2):
|
||||
Exception.__init__(self)
|
||||
self.core = core
|
||||
self.p0 = p0
|
||||
self.p1 = p1
|
||||
self.p2 = p2
|
||||
def __init__(self, name, message, params):
|
||||
Exception.__init__(self, name, message, *params)
|
||||
self.name, self.message, self.params = name, message, params
|
||||
|
||||
|
||||
first_user_eid = 1024
|
||||
def __str__(self):
|
||||
if type(self).__name__ == self.name:
|
||||
return self.message.format(*self.params)
|
||||
else:
|
||||
return "({}) {}".format(self.name, self.message.format(*self.params))
|
||||
|
|
|
|||
Loading…
Reference in New Issue