def on_first_call(self, wrapped_function):
old_block = get_tape().active_basicblock
parent_node = get_tape().req_node
get_tape().open_scope(lambda x: x[0], None, 'begin-' + self.name)
block = get_tape().active_basicblock
block.alloc_pool = defaultdict(set)
del parent_node.children[-1]
self.node = get_tape().req_node
print 'Compiling function', self.name
result = wrapped_function(*self.compile_args)
if result is not None:
self.result = memorize(result)
else:
self.result = None
print 'Done compiling function', self.name
p_return_address = get_tape().program.malloc(1, 'ci')
get_tape().function_basicblocks[block] = p_return_address
return_address = regint.load_mem(p_return_address)
get_tape().active_basicblock.set_exit(
instructions.jmpi(return_address, add_to_prog=False))
self.last_sub_block = get_tape().active_basicblock
get_tape().close_scope(old_block, parent_node, 'end-' + self.name)
old_block.set_exit(instructions.jmp(0, add_to_prog=False),
get_tape().active_basicblock)
self.basic_block = block
def on_call(self, base, bases):
if base is not None:
instructions.starg(regint(base))
block = self.basic_block
if block not in get_tape().function_basicblocks:
raise CompilerError('unknown function')
old_block = get_tape().active_basicblock
old_block.set_exit(instructions.jmp(0, add_to_prog=False), block)
p_return_address = get_tape().function_basicblocks[block]
return_address = get_tape().new_reg('r')
old_block.return_address_store = instructions.ldint(return_address, 0)
instructions.stmint(return_address, p_return_address)
get_tape().start_new_basicblock(name='call-' + self.name)
get_tape().active_basicblock.set_return(old_block, self.last_sub_block)
get_tape().req_node.children.append(self.node)
if self.result is not None:
return unmemorize(self.result)
def on_call(self, base, bases):
if base is not None:
instructions.starg(regint(base))
block = self.basic_block
if block not in get_tape().function_basicblocks:
raise CompilerError('unknown function')
old_block = get_tape().active_basicblock
old_block.set_exit(instructions.jmp(0, add_to_prog=False), block)
p_return_address = get_tape().function_basicblocks[block]
return_address = get_tape().new_reg('ci')
old_block.return_address_store = instructions.ldint(return_address, 0)
instructions.stmint(return_address, p_return_address)
get_tape().start_new_basicblock(name='call-' + self.name)
get_tape().active_basicblock.set_return(old_block, self.last_sub_block)
get_tape().req_node.children.append(self.node)
if self.result is not None:
return unmemorize(self.result)
def end_if():
try:
state = instructions.program.curr_tape.if_states.pop()
except IndexError:
raise CompilerError('No open if/else block')
branch = instructions.jmpeqz(regint.conv(state.condition), 0, \
add_to_prog=False)
# start next block
get_tape().close_scope(state.start_block, state.req_child.parent, 'end-if')
if state.has_else:
# jump to else block if condition == 0
state.start_block.set_exit(branch, state.else_block)
# set if block to skip else
jump = instructions.jmp(0, add_to_prog=False)
state.if_exit_block.set_exit(jump, instructions.program.curr_block)
else:
# set start block's conditional jump to next block
state.start_block.set_exit(branch, instructions.program.curr_block)
# nothing to compute without else
state.req_child.aggregator = lambda x: x[0]
def end_if():
try:
state = instructions.program.curr_tape.if_states.pop()
except IndexError:
raise CompilerError('No open if/else block')
branch = instructions.jmpeqz(regint.conv(state.condition), 0, \
add_to_prog=False)
# start next block
get_tape().close_scope(state.start_block, state.req_child.parent, 'end-if')
if state.has_else:
# jump to else block if condition == 0
state.start_block.set_exit(branch, state.else_block)
# set if block to skip else
jump = instructions.jmp(0, add_to_prog=False)
state.if_exit_block.set_exit(jump, instructions.program.curr_block)
else:
# set start block's conditional jump to next block
state.start_block.set_exit(branch, instructions.program.curr_block)
# nothing to compute without else
state.req_child.aggregator = lambda x: x[0]
def on_first_call(self, wrapped_function):
old_block = get_tape().active_basicblock
parent_node = get_tape().req_node
get_tape().open_scope(lambda x: x[0], None, 'begin-' + self.name)
block = get_tape().active_basicblock
block.alloc_pool = defaultdict(set)
del parent_node.children[-1]
self.node = get_tape().req_node
print 'Compiling function', self.name
result = wrapped_function(*self.compile_args)
if result is not None:
self.result = memorize(result)
else:
self.result = None
print 'Done compiling function', self.name
p_return_address = get_tape().program.malloc(1, 'ci')
get_tape().function_basicblocks[block] = p_return_address
return_address = regint.load_mem(p_return_address)
get_tape().active_basicblock.set_exit(instructions.jmpi(return_address, add_to_prog=False))
self.last_sub_block = get_tape().active_basicblock
get_tape().close_scope(old_block, parent_node, 'end-' + self.name)
old_block.set_exit(instructions.jmp(0, add_to_prog=False), get_tape().active_basicblock)
self.basic_block = block