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from rpython.translator.tool.graphpage import GraphPage
from rpython.translator.tool.make_dot import DotGen
from rpython.jit.metainterp.resoperation import rop
class SubGraph:
def __init__(self, op):
self.failargs = op.getfailargs()
self.subinputargs = op.getdescr()._debug_subinputargs
self.suboperations = op.getdescr()._debug_suboperations
def get_operations(self):
return self.suboperations
def get_display_text(self, memo):
# copy the display of variables in this subgraph (a bridge)
# so that they match variables in the parent graph across the
# guard failure
for failarg, inputarg in zip(self.failargs, self.subinputargs):
try:
memo[inputarg] = memo[failarg]
except KeyError:
pass
return None
def display_procedures(procedures, errmsg=None, highlight_procedures={}, metainterp_sd=None):
graphs = [(procedure, highlight_procedures.get(procedure, 0))
for procedure in procedures]
for graph, highlight in graphs:
for op in graph.get_operations():
if is_interesting_guard(op):
graphs.append((SubGraph(op), highlight))
graphpage = ResOpGraphPage(graphs, errmsg, metainterp_sd)
graphpage.display()
def is_interesting_guard(op):
return hasattr(op.getdescr(), '_debug_suboperations')
def getdescr(op):
if op._descr is not None:
return op._descr
if hasattr(op, '_descr_wref'):
return op._descr_wref()
return None
class ResOpGraphPage(GraphPage):
def compute(self, graphs, errmsg=None, metainterp_sd=None):
resopgen = ResOpGen(metainterp_sd)
for graph, highlight in graphs:
resopgen.add_graph(graph, highlight)
if errmsg:
resopgen.set_errmsg(errmsg)
self.source = resopgen.getsource()
self.links = resopgen.getlinks()
class ResOpGen(object):
CLUSTERING = True
BOX_COLOR = (128, 0, 96)
def __init__(self, metainterp_sd=None):
self.graphs = []
self.highlight_graphs = {}
self.block_starters = {} # {graphindex: {set-of-operation-indices}}
self.all_operations = {}
self.errmsg = None
self.target_tokens = {}
self.metainterp_sd = metainterp_sd
self.memo = {}
def op_name(self, graphindex, opindex):
return 'g%dop%d' % (graphindex, opindex)
def mark_starter(self, graphindex, opindex):
self.block_starters[graphindex][opindex] = True
def add_graph(self, graph, highlight=False):
graphindex = len(self.graphs)
self.graphs.append(graph)
self.highlight_graphs[graph] = highlight
for i, op in enumerate(graph.get_operations()):
self.all_operations[op] = graphindex, i
def find_starters(self):
for graphindex in range(len(self.graphs)):
self.block_starters[graphindex] = {0: True}
for graphindex, graph in enumerate(self.graphs):
mergepointblock = None
for i, op in enumerate(graph.get_operations()):
if is_interesting_guard(op):
self.mark_starter(graphindex, i+1)
if op.getopnum() == rop.DEBUG_MERGE_POINT:
if mergepointblock is None:
mergepointblock = i
elif op.getopnum() == rop.LABEL:
self.mark_starter(graphindex, i)
self.target_tokens[getdescr(op)] = (graphindex, i)
mergepointblock = i
else:
if mergepointblock is not None:
self.mark_starter(graphindex, mergepointblock)
mergepointblock = None
def set_errmsg(self, errmsg):
self.errmsg = errmsg
def getsource(self):
self.find_starters()
self.pendingedges = []
self.dotgen = DotGen('resop')
self.dotgen.emit('clusterrank="local"')
self.generrmsg()
for i, graph in enumerate(self.graphs):
self.gengraph(graph, i)
# we generate the edges at the end of the file; otherwise, and edge
# could mention a node before it's declared, and this can cause the
# node declaration to occur too early -- in the wrong subgraph.
for frm, to, kwds in self.pendingedges:
self.dotgen.emit_edge(frm, to, **kwds)
return self.dotgen.generate(target=None)
def generrmsg(self):
if self.errmsg:
self.dotgen.emit_node('errmsg', label=self.errmsg,
shape="box", fillcolor="red")
if self.graphs and self.block_starters[0]:
opindex = max(self.block_starters[0])
blockname = self.op_name(0, opindex)
self.pendingedges.append((blockname, 'errmsg', {}))
def getgraphname(self, graphindex):
return 'graph%d' % graphindex
def gengraph(self, graph, graphindex):
graphname = self.getgraphname(graphindex)
if self.CLUSTERING:
self.dotgen.emit('subgraph cluster%d {' % graphindex)
label = graph.get_display_text(self.memo)
if label is not None:
colorindex = self.highlight_graphs.get(graph, 0)
if colorindex == 1:
fillcolor = '#f084c2' # highlighted graph
elif colorindex == 2:
fillcolor = '#808080' # invalidated graph
else:
fillcolor = '#84f0c2' # normal color
self.dotgen.emit_node(graphname, shape="octagon",
label=label, fillcolor=fillcolor)
self.pendingedges.append((graphname,
self.op_name(graphindex, 0),
{}))
operations = graph.get_operations()
for opindex in self.block_starters[graphindex]:
self.genblock(operations, graphindex, opindex)
if self.CLUSTERING:
self.dotgen.emit('}') # closes the subgraph
def genedge(self, frm, to, **kwds):
self.pendingedges.append((self.op_name(*frm),
self.op_name(*to),
kwds))
def genblock(self, operations, graphindex, opstartindex):
if opstartindex >= len(operations):
return
blockname = self.op_name(graphindex, opstartindex)
block_starters = self.block_starters[graphindex]
lines = []
opindex = opstartindex
while True:
op = operations[opindex]
op_repr = op.repr(self.memo, graytext=True)
if (op.getopnum() == rop.DEBUG_MERGE_POINT and
self.metainterp_sd is not None):
jd_sd = self.metainterp_sd.jitdrivers_sd[op.getarg(0).getint()]
if jd_sd._get_printable_location_ptr:
s = jd_sd.warmstate.get_location_str(op.getarglist()[3:])
s = s.replace(',', '.') # we use comma for argument splitting
op_repr = "debug_merge_point(%d, %d, '%s')" % (op.getarg(1).getint(), op.getarg(2).getint(), s)
lines.append(op_repr)
if is_interesting_guard(op):
tgt = op.getdescr()._debug_suboperations[0]
tgt_g, tgt_i = self.all_operations[tgt]
self.genedge((graphindex, opstartindex),
(tgt_g, tgt_i),
color='red')
opindex += 1
if opindex >= len(operations):
break
if opindex in block_starters:
self.genedge((graphindex, opstartindex),
(graphindex, opindex))
break
if op.getopnum() == rop.JUMP:
tgt_descr = getdescr(op)
if tgt_descr is not None and tgt_descr in self.target_tokens:
self.genedge((graphindex, opstartindex),
self.target_tokens[tgt_descr],
weight="0")
lines.append("")
label = "\\l".join(lines)
kwds = {}
#if op in self.highlightops:
# kwds['color'] = 'red'
# kwds['fillcolor'] = '#ffe8e8'
self.dotgen.emit_node(blockname, shape="box", label=label, **kwds)
def getlinks(self):
boxes = {}
for op in self.all_operations:
args = op.getarglist() + [op]
for box in args:
s = box.repr_short(self.memo)
if len(s) > 1 and s[0] in 'irf' and s[1:].isdigit():
boxes[box] = s
links = {}
for box, s in boxes.items():
links.setdefault(s, (box.repr(self.memo), self.BOX_COLOR))
return links
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