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_ADDL", arrow(tlength,tlength,tlength), ""), # Primitive("logo_SUBL", arrow(tlength,tlength,tlength), ""), # Primitive("logo_PU", arrow(turtle,turtle), ""), # Primitive("logo_PD", arrow(turtle,turtle), ""), 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)