def run(self, vm):
for row, col, block in reversed(vm.blocks):
if not isinstance(block, If):
block.resume(vm, row, col)
break
else:
raise ExecutionError('Continue could not find a block to continue')
def goto(self, row, col):
if row >= 0 and row < len(self.code)\
and col >= 0 and col < len(self.code[row]):
self.line = row
self.col = col
else:
raise ExecutionError('cannot goto (%i, %i)' % (row, col))
def run(self, vm):
if self.arg == None:
raise ExecutionError('If statement without condition')
true = bool(vm.get(self.arg))
cur = vm.cur()
if isinstance(cur, Then):
vm.push_block()
vm.inc()
if not true:
end = self.find_end(vm, or_else=True)
if end:
row, col, end = end
if isinstance(end, End):
vm.pop_block()
vm.goto(row, col)
vm.inc()
else:
raise StopError(
'If/Then could not find End on negative expression')
elif true:
vm.run(cur)
else:
vm.inc_row()
def run(self, vm):
for row, col, block in reversed(vm.blocks):
if not isinstance(block, If):
block.stop(vm, row, col)
break
else:
raise ExecutionError('Break could not find a block to end')
def loop(self, vm):
if len(self.arg) in (3, 4):
var = self.arg.contents[0]
args = [vm.get(arg) for arg in self.arg.contents[1:]]
forward = True
if len(args) == 3:
inc = args[2]
args = args[:2]
forward = False
else:
inc = 1
start, end = args
if self.pos is None:
self.pos = start
else:
self.pos += inc
var.set(vm, self.pos)
if forward and self.pos > end or not forward and self.pos < end:
return False
else:
return True
else:
raise ExecutionError('incorrect arguments to For loop')
def get_repo_top_level():
cmd = ['git', 'rev-parse', '--show-toplevel']
rc, toplevel = run_command(cmd)
if rc != 0:
raise ExecutionError('Failed to get top level of repo, are you'
' standing in a working copy?')
return toplevel.strip()
def rev_parse(refname):
cmd = ['git', 'rev-parse', refname]
rc, output = run_command(cmd)
if rc != 0:
err = ('Failed to run command "{0}"'.format(' '.join(cmd)))
raise ExecutionError(err)
return output.strip()
def push_block(self, block=None):
if not block and self.running:
block = self.running[-1]
if block:
self.blocks.append(block)
else:
raise ExecutionError('tried to push an invalid block to the stack')
def run(self, vm):
if not self.arg:
raise ExecutionError('%s used without arguments')
if isinstance(self.arg, Tuple):
for var in self.arg.contents:
self.prompt(vm, var)
else:
self.prompt(vm, self.arg)
def goto(vm, token):
label = Lbl.guess_label(vm, token)
if label:
for row, col, token in vm.find(Lbl, wrap=True):
if token.get_label(vm) == label:
vm.goto(row, col)
return
raise ExecutionError('could not find a label to Goto: %s' % token)
def run_pgrm(self, name):
for ref in os.listdir('.'):
if ref.endswith('.bas'):
test = ref.rsplit('.', 1)[0]
if test.lower() == name.lower():
sub = Interpreter.from_file(ref)
sub.execute()
return
raise ExecutionError('pgrm{} not found'.format(name))
def run(self, vm):
args = self.arg.contents[:]
l = len(args)
if l >= 3 and (l - 3) % 2 == 0:
title = args.pop(0)
menu = (title, zip(args[::2], args[1::2])),
label = vm.io.menu(menu)
Goto.goto(vm, label)
else:
raise ExecutionError('Invalid arguments to Menu(): %s' % args)
def get_git_client_version():
cmd = ['git', '--version']
rc, output = run_command(cmd)
if rc != 0:
raise ExecutionError(
'Make sure that the git client has been installed')
version = output.split(' ')
if len(version) == 3:
version = version[2]
else:
raise Warning('Unexpected git version format: {0}'.format(output))
return version
def run(self, cur):
self.history.append((self.line, self.col, cur))
self.history = self.history[-self.hist_len:]
cur.line, cur.col = self.line, self.col
if cur.can_run:
self.running.append((self.line, self.col, cur))
self.inc()
cur.run(self)
self.running.pop()
elif cur.can_get:
self.inc()
self.set_var('Ans', cur.get(self))
self.serial = time.time()
else:
raise ExecutionError('cannot seem to run token: %s' % cur)
def get_repo_name():
repo = None
url = None
cmd = ['git', 'config', '--get', 'remote.origin.pushurl']
rc, output = run_command(cmd)
if rc == 0:
url = output.strip()
if url is None:
cmd = ['git', 'config', '--get', 'remote.origin.url']
rc, output = run_command(cmd)
if rc == 0:
url = output.strip()
if url is not None:
match = re.search(r'^(ssh://|).+@[^(/|:)]+(/|:)(?P<repo>.+)$', url)
repo = match.group('repo')
else:
raise ExecutionError('Failed to determine the name of the repo.')
return repo
def run(self, vm):
if self.arg == None:
raise ExecutionError('%s statement without condition' % self.token)
row, col, _ = vm.running[-1]
self.resume(vm, row, col)
def run(self, vm):
raise ExecutionError('cannot execute a standalone Then statement')
def pop_block(self):
if self.blocks:
return self.blocks.pop()
else:
raise ExecutionError('tried to pop an empty block stack')
