def auto_step():
""" Generate an AUTO line number and wait for input. """
numstr = str(state.basic_state.auto_linenum)
console.write(numstr)
if state.basic_state.auto_linenum in state.basic_state.line_numbers:
console.write('*')
line = bytearray(console.wait_screenline(from_start=True))
if line[:len(numstr)+1] == numstr+'*':
line[len(numstr)] = ' '
else:
console.write(' ')
line = bytearray(console.wait_screenline(from_start=True))
# run or store it; don't clear lines or raise undefined line number
state.basic_state.direct_line = tokenise.tokenise_line(line)
c = util.peek(state.basic_state.direct_line)
if c == '\0':
# check for lines starting with numbers (6553 6) and empty lines
empty, scanline = program.check_number_start(state.basic_state.direct_line)
if not empty:
program.store_line(state.basic_state.direct_line)
reset.clear()
state.basic_state.auto_linenum = scanline + state.basic_state.auto_increment
elif c != '':
# it is a command, go and execute
state.basic_state.execute_mode = True
def auto_step(self):
""" Generate an AUTO line number and wait for input. """
numstr = str(state.basic_state.auto_linenum)
console.write(numstr)
if state.basic_state.auto_linenum in state.basic_state.line_numbers:
console.write('*')
line = bytearray(console.wait_screenline(from_start=True))
if line[:len(numstr)+1] == numstr+'*':
line[len(numstr)] = ' '
else:
console.write(' ')
line = bytearray(console.wait_screenline(from_start=True))
# run or store it; don't clear lines or raise undefined line number
state.basic_state.direct_line = tokenise.tokenise_line(line)
c = util.peek(state.basic_state.direct_line)
if c == '\0':
# check for lines starting with numbers (6553 6) and empty lines
empty, scanline = program.check_number_start(state.basic_state.direct_line)
if not empty:
program.store_line(state.basic_state.direct_line)
reset.clear()
state.basic_state.auto_linenum = scanline + state.basic_state.auto_increment
elif c != '':
# it is a command, go and execute
state.basic_state.parse_mode = True
def merge(g):
""" Merge program from ascii or utf8 (if utf8_files is True) stream. """
while True:
line = g.read_line()
if line is None:
break
linebuf = tokenise.tokenise_line(line)
if linebuf.read(1) == '\0':
# line starts with a number, add to program memory; store_line seeks to 1 first
store_line(linebuf)
else:
# we have read the :
if util.skip_white(linebuf) not in tk.end_line:
raise error.RunError(error.DIRECT_STATEMENT_IN_FILE)
def merge(g):
""" Merge program from ascii or utf8 (if utf8_files is True) stream. """
while True:
line = g.read_line()
if line is None:
break
linebuf = tokenise.tokenise_line(line)
if linebuf.read(1) == '\0':
# line starts with a number, add to program memory; store_line seeks to 1 first
store_line(linebuf)
else:
# we have read the :
if util.skip_white(linebuf) not in tk.end_line:
raise error.RunError(error.DIRECT_STATEMENT_IN_FILE)
def store_line(self, line):
""" Store a program line or schedule a command line for execution. """
if not line:
return True
state.basic_state.direct_line = tokenise.tokenise_line(line)
c = util.peek(state.basic_state.direct_line)
if c == '\0':
# check for lines starting with numbers (6553 6) and empty lines
program.check_number_start(state.basic_state.direct_line)
program.store_line(state.basic_state.direct_line)
reset.clear()
elif c != '':
# it is a command, go and execute
state.basic_state.parse_mode = True
return not state.basic_state.parse_mode
def store_line(line):
""" Store a program line or schedule a command line for execution. """
if not line:
return True
state.basic_state.direct_line = tokenise.tokenise_line(line)
c = util.peek(state.basic_state.direct_line)
if c == '\0':
# check for lines starting with numbers (6553 6) and empty lines
program.check_number_start(state.basic_state.direct_line)
program.store_line(state.basic_state.direct_line)
reset.clear()
elif c != '':
# it is a command, go and execute
state.basic_state.execute_mode = True
return not state.basic_state.execute_mode
def load_ascii_file(g, first_char=''):
""" Load an ascii-codepage or utf8 (if utf8_files is True) encoded program from g. """
eof = False
lg = LineGetter(g, universal_newline, utf8=utf8_files)
while not eof:
line, eof = lg.get_line()
line, first_char = first_char + line, ''
linebuf = tokenise.tokenise_line(line)
if linebuf.read(1) == '\0':
# line starts with a number, add to program memory; store_line seeks to 1 first
store_line(linebuf)
else:
# we have read the :
if util.skip_white(linebuf) not in util.end_line:
# direct statement in file
raise error.RunError(66)
def merge(g):
""" Merge program from ascii or utf8 (if utf8_files is True) stream. """
while True:
line = g.read_line()
if line is None:
break
#line, first_char = first_char + line, ''
linebuf = tokenise.tokenise_line(line)
if linebuf.read(1) == '\0':
# line starts with a number, add to program memory; store_line seeks to 1 first
store_line(linebuf)
else:
# we have read the :
if util.skip_white(linebuf) not in util.end_line:
# direct statement in file
raise error.RunError(66)
def watch(expr):
""" Add an expression to the watch list. """
outs = tokenise.tokenise_line('?'+expr)
watch_list.append((expr, outs))
def watch(expr):
""" Add an expression to the watch list. """
outs = tokenise.tokenise_line('?' + expr)
watch_list.append((expr, outs))