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Commit 8fdd3213 authored by Stefan Marr's avatar Stefan Marr
Browse files

Make some key functions elidable



Taken from krono/PySOM@9ae38c02b87c20e5e3df865be4d542238d95f335 and krono/PySOM@9af3f0be15d662c80c9f20a6ab337c669ec0d677
Signed-off-by: default avatarStefan Marr <git@stefan-marr.de>
parent 748f4def
from rpython.rlib.unroll import unrolling_iterable
from rpython.rlib import jit
class Bytecodes(object):
......@@ -58,12 +59,15 @@ class Bytecodes(object):
0, # return_local
0 ] # return_non_local
@jit.elidable
def bytecode_length(bytecode):
assert bytecode >= 0 and bytecode <= len(Bytecodes._bytecode_length)
return Bytecodes._bytecode_length[bytecode]
@jit.elidable
def bytecode_stack_effect(bytecode, number_of_arguments_of_message_send = 0):
assert bytecode >= 0 and bytecode < len(Bytecodes._bytecode_stack_effect)
if bytecode_stack_effect_depends_on_send(bytecode):
return -number_of_arguments_of_message_send + 1 # +1 in order to account for the return value
else:
......@@ -71,17 +75,13 @@ def bytecode_stack_effect(bytecode, number_of_arguments_of_message_send = 0):
def bytecode_stack_effect_depends_on_send(bytecode):
assert bytecode >= 0 and bytecode <= Bytecodes._num_bytecodes
assert bytecode >= 0 and bytecode < len(Bytecodes._bytecode_stack_effect)
return Bytecodes._bytecode_stack_effect[bytecode] == Bytecodes._stack_effect_depends_on_message
@jit.elidable
def bytecode_as_str(bytecode):
if not isinstance(bytecode, int):
raise ValueError('bytecode is expected to be an integer.')
if bytecode > len(_bytecode_names):
raise ValueError('No Bytecode defined for the value %d.' % bytecode)
else:
assert bytecode >= 0 and bytecode < len(_bytecode_names)
return _bytecode_names[bytecode]
def _sorted_bytecode_names(cls):
......
from __future__ import absolute_import
from rpython.rlib import jit
from som.vmobjects.array import Array
class Method(Array):
......@@ -40,7 +42,7 @@ class Method(Array):
return True
def get_number_of_locals(self):
# Get the number of locals (converted to a Java integer)
# Get the number of locals
return self._number_of_locals
def get_maximum_number_of_stack_elements(self):
......@@ -86,8 +88,10 @@ class Method(Array):
# Get the number of bytecodes in this method
return len(self._bytecodes)
@jit.elidable
def get_bytecode(self, index):
# Get the bytecode at the given index
assert 0 <= index and index < len(self._bytecodes)
return ord(self._bytecodes[index])
def set_bytecode(self, index, value):
......@@ -104,10 +108,14 @@ class Method(Array):
def __str__(self):
return "Method(" + self.get_holder().get_name().get_string() + ">>" + str(self.get_signature()) + ")"
@jit.elidable
def get_inline_cache_class(self, bytecode_index):
assert 0 <= bytecode_index and bytecode_index < len(self._inline_cache_class)
return self._inline_cache_class[bytecode_index]
@jit.elidable
def get_inline_cache_invokable(self, bytecode_index):
assert 0 <= bytecode_index and bytecode_index < len(self._inline_cache_invokable)
return self._inline_cache_invokable[bytecode_index]
def set_inline_cache(self, bytecode_index, receiver_class, invokable):
......
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