1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
|
import re
from time import clock
from operator import isNumberType
import random
oblist = {}
iline = None
cfun = None
arglist = None
istack = []
iresult = None
step = None
procstop = False
boxes = {'box1': 0, 'box2': 0}
stacks = {}
utime_start = 0
class symbol:
def __init__(self, name):
self.name = name
self.nargs = None
self.fcn = None
def __str__(self): return self.name
def __repr__(self): return '#'+self.name
class logoerror(Exception):
def __init__(self, value):
self.value = value
def __str__(self):
return repr(self.value)
def run_blocks(spr, blocks):
stacks['stack1'] = None
stacks['stack2'] = None
for i in blocks:
if i.proto.name=='hat1': stacks['stack1']= readline(blocks_to_code(i))
if i.proto.name=='hat2': stacks['stack2']= readline(blocks_to_code(i))
code = blocks_to_code(spr)
print code
setup_cmd(code)
def blocks_to_code(spr):
if spr==None: return ['%nothing%']
code = []
dock = spr.proto.docks[0]
if len(dock)>4: code.append(dock[4])
if spr.proto.primname != '': code.append(spr.proto.primname)
else: code.append(float(spr.label))
for i in range(1,len(spr.connections)):
b = spr.connections[i]
dock = spr.proto.docks[i]
if len(dock)>4:
for c in dock[4]: code.append(c)
if b!=None: code.extend(blocks_to_code(b))
elif spr.proto.docks[i][0] not in ['flow','numend','unavailable','logi-']:
code.append('%nothing%')
return code
def intern(str):
if str in oblist: return oblist[str]
sym = symbol(str)
oblist[str] = sym
return sym
def parseline(str):
split = re.split(r"\s|([\[\]()])", str)
return [x for x in split if x and x != ""]
def readline(line):
res = []
while line:
token = line.pop(0)
if isNumberType(token): res.append(token)
elif token.isdigit(): res.append(float(token))
elif token[0]=='-' and token[1:].isdigit(): res.append(-float(token[1:]))
elif token[0] == '"': res.append(token[1:])
elif token == '[': res.append(readline(line))
elif token == ']': return res
else: res.append(intern(token))
return res
def setup_cmd(str):
global iline, step, procstop
stopsignon(); procstop=False
list = readline(str)
step = start_eval(list)
def start_eval(list):
icall(evline, list); yield True
yield False
def evline(list):
global cfun, arglist, iline
oldiline = iline
iline = list[:]
arglist = None
while iline:
token = iline[0]
if token==symopar: token=iline[1]
icall(eval); yield True
if procstop: break
if iresult==None: continue
raise logoerror("You don't say what to do with %s" % token)
iline = oldiline
ireturn(); yield True
def eval(infixarg=False):
token = iline.pop(0)
if type(token) == symtype:
icall(evalsym, token); yield True
res = iresult
else: res = token
if not infixarg:
while infixnext():
icall(evalinfix, res); yield True
res = iresult
ireturn(res); yield True
def evalsym(token):
global cfun, arglist
undefined_check(token)
oldcfun, oldarglist = cfun, arglist
cfun, arglist = token, []
for i in range(token.nargs):
no_args_check()
icall(eval); yield True
arglist.append(iresult)
if cfun.rprim:
if type(cfun.fcn)==listtype: icall(ufuncall, cfun.fcn); yield True
else: icall(cfun.fcn, *arglist); yield True
result = None
else: result = cfun.fcn(*arglist)
cfun, arglist = oldcfun, oldarglist
if arglist!=None and result==None:
raise logoerror("%s didn't output to %s" % (oldcfun.name, cfun.name))
ireturn(result); yield True
def evalinfix(firstarg):
global cfun, arglist
token = iline.pop(0)
oldcfun, oldarglist = cfun, arglist
cfun, arglist = token, [firstarg]
no_args_check()
icall(eval,True); yield True
arglist.append(iresult)
result = cfun.fcn(*arglist)
cfun, arglist = oldcfun, oldarglist
ireturn (result); yield True
def infixnext():
if len(iline)==0: return False
if type(iline[0])!=symtype: return False
return iline[0].name in ['+', '-', '*', '/','%','and','or']
def undefined_check(token):
if token.fcn != None: return False
raise logoerror("I don't know how to %s" % token.name)
def no_args_check():
if iline and iline[0]!=symnothing : return
raise logoerror("Not enough inputs to %s" % cfun.name)
def prim_wait(time):
turtle_spr.setlayer(630)
endtime = millis()+an_int(time)*100
while millis()<endtime:
yield True
turtle_spr.setlayer(100)
ireturn(); yield True
def prim_repeat(num, list):
num = an_int(num)
for i in range(num):
icall(evline, list[:]); yield True
if procstop: break
ireturn(); yield True
def prim_forever(list):
while True:
icall(evline, list[:]); yield True
if procstop: break
ireturn(); yield True
def prim_if(bool, list):
if bool: icall(evline, list[:]); yield True
ireturn(); yield True
def prim_ifelse(bool, list1,list2):
if bool: ijmp(evline, list1[:]); yield True
else: ijmp(evline, list2[:]); yield True
def prim_opar(val):
iline.pop(0)
return val
def prim_define(name, body):
if type(name) != symtype: name = intern(name)
name.nargs, name.fcn = 0, body
name.rprim = True
def prim_stack1():
global procstop
if stacks['stack1']==None: raise logoerror("stack1 undefined")
icall(evline, stacks['stack1'][:]); yield True
procstop = False
ireturn(); yield True
def prim_stack2():
global procstop
if stacks['stack2']==None: raise logoerror("stack2 undefined")
icall(evline, stacks['stack2'][:]); yield True
procstop = False
ireturn(); yield True
def prim_stopstack():
global procstop
procstop = True
def prim_utimer():
return float(int((clock()-utime_start)*1000000))
def prim_resetut():
global utime_start
utime_start = clock()
def ufuncall(body):
ijmp(evline, body); yield True
def an_int(n):
try: return int(n)
except: raise logoerror("%s doesn't like %s as input" % (cfun.name, str(n)))
def a_float(n):
try: return int(n)
except: raise logoerror("%s doesn't like %s as input" % (cfun.name, str(n)))
def defprim(name, args, fcn, rprim=False):
sym = intern(name)
sym.nargs, sym.fcn = args,fcn
sym.rprim = rprim
def init():
global symtype, numtype, listtype, symnothing, symopar
defprim('print', 1, lambda x:showlabel(int(float(x)*10)/10.))
defprim('sum', 2, lambda x,y:x+y)
defprim('+', None, lambda x,y:x+y)
defprim('difference', 2, lambda x,y:x-y)
defprim('-', None, lambda x,y:x-y)
defprim('product', 2, lambda x,y:x*y)
defprim('*', None, lambda x,y:x*y)
defprim('quotient', 2, lambda x,y:x/y)
defprim('/', None, lambda x,y:x/y)
defprim('random', 2, lambda x,y: int(random.uniform(x,y)))
defprim('greater?', 2, lambda x,y: float(x)>float(y))
defprim('less?', 2, lambda x,y: float(x)<float(y))
defprim('equal?', 2, lambda x,y: float(x)==float(y))
defprim('and', None, lambda x,y:x&y)
defprim('or', None, lambda x,y:x|y)
defprim('not', 1, lambda x:not x)
defprim('%', None, lambda x,y:x%y)
defprim('clean', 0, turtle.clearscreen)
defprim('forward', 1, turtle.forward)
defprim('back', 1, lambda x: turtle.forward(-x))
defprim('seth', 1, turtle.seth)
defprim('right', 1, turtle.right)
defprim('left', 1, lambda x:turtle.right(-x))
defprim('heading', 0, lambda: turtle.heading)
defprim('setxy', 2, turtle.setxy)
defprim('arc', 2, turtle.arc)
defprim('xcor', 0, lambda: turtle.xcor)
defprim('ycor', 0, lambda: turtle.ycor)
defprim('pendown', 0, lambda: turtle.setpen(True))
defprim('penup', 0, lambda: turtle.setpen(False))
defprim('(', 1, prim_opar)
defprim('setcolor', 1, turtle.setcolor)
defprim('setshade', 1, turtle.setshade)
defprim('setpensize', 1, turtle.setpensize)
defprim('fillscreen', 2, turtle.fillscreen)
defprim('color', 0, lambda: turtle.color)
defprim('shade', 0, lambda: turtle.shade)
defprim('pensize', 0, lambda: turtle.pensize)
defprim('wait', 1, prim_wait, True)
defprim('repeat', 2, prim_repeat, True)
defprim('forever', 1, prim_forever, True)
defprim('if', 2, prim_if, True)
defprim('ifelse', 3, prim_ifelse, True)
defprim('stopstack', 0, prim_stopstack)
defprim('stack1', 0, prim_stack1, True)
defprim('stack2', 0, prim_stack2, True)
defprim('box1', 0, lambda: boxes['box1'])
defprim('box2', 0, lambda: boxes['box2'])
defprim('storeinbox1', 1, lambda x: setbox('box1',x))
defprim('storeinbox2', 1, lambda x: setbox('box2',x))
defprim('define', 2, prim_define)
defprim('resetut', 0, prim_resetut)
defprim('utimer', 0, prim_utimer)
defprim('nop', 0, lambda: None)
defprim('start', 0, lambda: None)
symtype = type(intern('print'))
numtytpe = type(0.)
listtype = type([])
symnothing = intern('%nothing%')
symopar = intern('(')
def doevalstep():
starttime = millis()
try:
while (millis()-starttime)<120:
if not step.next(): stopsignoff(); return False
except logoerror, e: showlabel(str(e)[1:-1]); stopsignoff(); return False
return True
def icall(fcn, *args):
global step
istack.append(step)
step = fcn(*(args))
def ireturn(res=None):
global step, iresult
step = istack.pop()
iresult = res
def ijmp(fcn, *args):
global step
step = fcn(*(args))
def showlabel(l):
status.setlabel(l)
status.setlayer(710);
def stopsignon():
stopsign.setshape(stopsign.onshape)
turtle_spr.setlayer(100)
def stopsignoff():
stopsign.setshape(stopsign.offshape)
turtle_spr.setlayer(630)
def setbox(name,val): boxes[name]=val
def tyo(n): print n
def millis(): return int(clock()*1000)
|