|
from dreamcoder.program import Primitive, Program |
|
from dreamcoder.type import arrow, baseType, tint |
|
|
|
turtle = baseType("turtle") |
|
tstate = baseType("tstate") |
|
tangle = baseType("tangle") |
|
tlength = baseType("tlength") |
|
|
|
primitives = [ |
|
Primitive("logo_UA", tangle, ""), |
|
Primitive("logo_UL", tlength, ""), |
|
|
|
Primitive("logo_ZA", tangle, ""), |
|
Primitive("logo_ZL", tlength, ""), |
|
|
|
Primitive("logo_DIVA", arrow(tangle,tint,tangle), ""), |
|
Primitive("logo_MULA", arrow(tangle,tint,tangle), ""), |
|
Primitive("logo_DIVL", arrow(tlength,tint,tlength), ""), |
|
Primitive("logo_MULL", arrow(tlength,tint,tlength), ""), |
|
|
|
Primitive("logo_ADDA", arrow(tangle,tangle,tangle), ""), |
|
Primitive("logo_SUBA", arrow(tangle,tangle,tangle), ""), |
|
|
|
|
|
|
|
|
|
|
|
Primitive("logo_PT", arrow(arrow(turtle,turtle),arrow(turtle,turtle)), None), |
|
Primitive("logo_FWRT", arrow(tlength,tangle,turtle,turtle), ""), |
|
Primitive("logo_GETSET", arrow(arrow(turtle,turtle),turtle,turtle), "") |
|
] + [ |
|
Primitive("logo_IFTY", tint, ""), |
|
Primitive("logo_epsA", tangle, ""), |
|
Primitive("logo_epsL", tlength, ""), |
|
Primitive("logo_forLoop", arrow(tint, arrow(tint, turtle, turtle), turtle, turtle), "ERROR: python has no way of expressing this hence you shouldn't eval on this"), |
|
] + [Primitive(str(j), tint, j) for j in range(10)] |
|
|
|
if __name__ == "__main__": |
|
expr_s = "(lambda (logo_forLoop 3 (lambda (lambda (logo_GET (lambda (logo_FWRT (logo_S2L (logo_I2S 1)) (logo_S2A (logo_I2S 0)) (logo_SET $0 (logo_FWRT (logo_S2L eps) (logo_DIVA (logo_S2A (logo_I2S 2)) (logo_I2S 3)) ($1)))))))) ($0)))" |
|
x = Program.parse(expr_s) |
|
print(x) |
|
|