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]
