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lispio.getSexp

All Samples(1)  |  Call(1)  |  Derive(0)  |  Import(0)
return and discard the next S expression, along with any nested ones in input


        def getSexp () :       # get an S expression from the user
    "return and discard the next S expression, along with any nested ones in input"
    a = getToken()
    if   a == "'" : return ['quote', getSexp()]
    elif a != '(' : return a
    a = []
    while 1 :
        b = getSexp()
        if b == ')' : return a
        a.append(b)


src/m/y/mython-HEAD/sandbox/pylisp/lisp.py   mython(Download)
def main () :   
    "get S expressions and evaluate them. Print the results"
    global Alist
    while 1 :
        try    : s = lispio.getSexp()