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How to use getchild method in pyatom

Best Python code snippet using pyatom_python

PythonVisitor.py

Source:PythonVisitor.py

1# Copyright (c) Corporation for National Research Initiatives23from org.python.parser import Visitor, SimpleNode4from org.python.parser.PythonGrammarTreeConstants import *5from org.python.parser import SimpleNode67from org.python.compiler import Future8910comp_ops = {JJTLESS_CMP         : 'lt',11            JJTEQUAL_CMP        : 'eq',12            JJTGREATER_CMP      : 'gt', 13            JJTGREATER_EQUAL_CMP: 'ge',14            JJTLESS_EQUAL_CMP   : 'le',15            JJTNOTEQUAL_CMP     : 'ne',16            JJTIS_NOT_CMP       : 'isnot',17            JJTIS_CMP           : 'is',18            JJTIN_CMP           : 'in',19            JJTNOT_IN_CMP       : 'notin',20            JJTLEFTDIREDGE      : 'lde',21            JJTRIGHTDIREDGE     : 'rde',22            JJTBIDIREDGE        : 'bde',23            JJTLIKE             : 'like'24            }25262728def nodeToList(node, start=0):29    nodes = []30    for i in range(start, node.numChildren):31        nodes.append(node.getChild(i))32    return nodes3334def nodeToStrings(node, start=0):35    names = []36    for i in range(start, node.numChildren):37        names.append(node.getChild(i).getInfo())38    return names39404142def getDocString(suite):43    if suite.numChildren > 0:44        n = suite.getChild(0)45        if n.id == JJTEXPR_STMT and n.getChild(0).id == JJTSTRING:46            return n.getChild(0).getInfo()47    return None48495051class PythonVisitor(Visitor):52    def __init__(self, walker):53        # a SimpleCompiler54        self.walker = walker5556    # The fast_locals arg is supplied when this method is used for57    # names in local scope.58    def getName(self, node, fast_locals=0):59        if not node.id == JJTNAME:60            return None61        s = node.getInfo()62        if fast_locals:63            return s64        if s[:2] == '__' and s[-2:] != '__' and self.walker.className:65            s = "_%s%s" % (self.walker.className, s)66        return s6768    def walk(self, node):69        self.suite(node)7071    def startnode(self, node):72        self.walker.setline(node.beginLine)7374    def suite(self, node):75        return self.walker.suite(nodeToList(node))7677    file_input = suite78    single_input = suite79    eval_input = suite8081    def exec_stmt(self, node):82        self.startnode(node)83        code = node.getChild(0).visit(self)84        globs = locs = None85        if node.numChildren > 1:86            globs = node.getChild(1).visit(self)87        if node.numChildren > 2:88            locs = node.getChild(2).visit(self)89        return self.walker.exec_stmt(code, globs, locs)9091    def assert_stmt(self, node):92        self.startnode(node)93        test = node.getChild(0).visit(self)94        if node.numChildren > 1:95            message = node.getChild(1).visit(self)96        else:97            message = None98        return self.walker.assert_stmt(test, message)99100    def pass_stmt(self, node):101        self.startnode(node)102        return self.walker.pass_stmt()103104    def break_stmt(self, node):105        self.startnode(node)    106        return self.walker.break_stmt()107108    def continue_stmt(self, node):109        self.startnode(node)110        return self.walker.continue_stmt()111112    def return_stmt(self, node):113        self.startnode(node)114        if node.numChildren == 0:115            return self.walker.return_stmt()116        else:117            return self.walker.return_stmt(node.getChild(0))118119    def global_stmt(self, node):120        self.startnode(node)121        return self.walker.global_stmt(nodeToStrings(node))122123    def raise_stmt(self, node):124        self.startnode(node)125        exc_type = exc_value = exc_traceback = None126        n = node.numChildren127        if n > 0:128            exc_type = node.getChild(0).visit(self)129        if n > 1:130            exc_value = node.getChild(1).visit(self)131        if n > 2:132            exc_traceback = node.getChild(2).visit(self)133        return self.walker.raise_stmt(exc_type, exc_value, exc_traceback)134135    def Import(self, node):136        self.startnode(node)137        names = self.import_as_name(node, 0)138        return self.walker.import_stmt(names)139140    def ImportFrom(self, node):141        Future.checkFromFuture(node) # future stmt support142        self.startnode(node)143        if node.numChildren > 1:144            names = self.import_as_name(node, 1)145            return self.walker.importfrom_stmt(node.getChild(0).visit(self), 146                                                     names)147        else:148            return self.walker.importfrom_stmt(149                node.getChild(0).visit(self), "*")150151    def import_as_name(self, node, startnode=0):152        names = []153        for i in range(startnode, node.numChildren):154            n = node.getChild(i)155            if n.id == JJTDOTTED_AS_NAME:156                dotted = n.getChild(0).visit(self)157                asname = n.getChild(1).getInfo()158            elif n.id == JJTIMPORT_AS_NAME:159                dotted = n.getChild(0).getInfo()160                asname = n.getChild(1).getInfo()161            elif n.id == JJTDOTTED_NAME:162                dotted = n.visit(self)163                asname = None164            else:165                dotted = n.getInfo()166                asname = None167            names.append((dotted, asname))168        return names169170    def dotted_name(self, node):171        return nodeToStrings(node)172173    def print_ext(self, node):174        # There better be exactly one subnode175        self.startnode(node)176        return node.getChild(0)177178    def print_stmt(self, node):179        self.startnode(node)180        n = node.numChildren181        rets = []182        printext = 0183        file = None184        start = 0185        nochildren = 0186        # extended print?187        if n > 0 and node.getChild(0).id == JJTPRINT_EXT:188            printext = 1189            file = self.print_ext(node.getChild(0))190            start = 1191            nochildren = 1192        for i in range(start, n-1):193            child = node.getChild(i)194            if printext:195                rets.append(self.walker.print_continued_to(file, child))196            else:197                rets.append(self.walker.print_continued(child))198        if n == nochildren:199            if printext:200                rets.append(self.walker.print_line_to(file))201            else:202                rets.append(self.walker.print_line())203        elif node.getChild(n-1).id != JJTCOMMA:204            child = node.getChild(n-1)205            if printext:206                rets.append(self.walker.print_line_to(file, child))207            else:208                rets.append(self.walker.print_line(child))209        return rets210211    def if_stmt(self, node):212        self.startnode(node)213        tests = []214        else_body = None215        n = node.numChildren216        for i in range(0,n-1,2):217            tests.append( (node.getChild(i), node.getChild(i+1)) )218219        if n % 2 == 1:220            else_body = node.getChild(n-1)221222        return self.walker.if_stmt(tests, else_body)223224    def while_stmt(self, node):225        self.startnode(node)226        test = node.getChild(0)227        suite = node.getChild(1)228        if node.numChildren == 3:229            else_body = node.getChild(2)230        else:231            else_body = None232233        return self.walker.while_stmt(test, suite, else_body)234235    def for_stmt(self, node):236        self.startnode(node)237        index = node.getChild(0)238        sequence = node.getChild(1)239        body = node.getChild(2)240        if node.numChildren == 4:241            else_body = node.getChild(3)242        else:243            else_body = None244245        return self.walker.for_stmt(index, sequence, body, else_body)246247    def expr_stmt(self, node):248        if node.getNumChildren() == 1:249            n = node.getChild(0)250            if n.id >= JJTAUG_PLUS and n.id <= JJTAUG_POWER:251                return self.walker.visit(n)252253        self.startnode(node)254        rhs = node.getChild(node.numChildren-1)255        return self.walker.expr_stmt(nodeToList(node)[:-1], rhs)256257    def del_stmt(self, node):258        self.startnode(node)259        return self.walker.del_stmt(nodeToList(node))260261    def Name(self, node):262        #self.startnode(node)263        return self.walker.name_const(264                self.getName(node, self.walker.frame.fast_locals))265266    def Int(self, node):267        #self.startnode(node)268        i = node.getInfo()269        if isinstance(i, type(0)):270            return self.walker.int_const(int(i))271        else:272            return self.walker.long_const(long(i))273274    def Float(self, node):275        #self.startnode(node)276        return self.walker.float_const(float(node.getInfo()))277278    def Complex(self, node):279        #self.startnode(node)280        return self.walker.complex_const(float(node.getInfo())) 281282    def String(self, node):283        #self.startnode(node)284        return self.walker.string_const(node.getInfo())285286    def Ellipses(self, node):287        return self.walker.ellipsis_const()288289    def getSlice(self, node):290        s = [None, None, None]291        n = node.numChildren292        index = 0293        for i in range(n):294            child = node.getChild(i)295            if child.id == JJTCOLON:296                index = index+1297            else:298                s[index] = child299        return s300301    def Slice(self, node):302        #self.startnode(node)303        s = self.getSlice(node)304        return self.walker.slice_op(s[0], s[1], s[2])305306    def makeSeqArgs(self, node):307        values = nodeToList(node)308        ret = []309        for value in values:310            if value.id == JJTCOMMA:311                continue312            ret.append(value)313        return ret314315    def list(self, node):316        #self.startnode(node)317        if node.numChildren > 1 and node.getChild(1).id == JJTFOR_STMT:318            return self.walker.list_comprehension(node)319        return self.walker.list_op(self.makeSeqArgs(node))320321    def list_iter(self, node):322        return self.walker.list_iter(node)323            324    def tuple(self, node):325        #self.startnode(node)326        return self.walker.tuple_op(self.makeSeqArgs(node))327328    def dictionary(self, node):329        #self.startnode(node)330        items = []331        for i in range(0, node.numChildren, 2):332            items.append( (node.getChild(i), node.getChild(i+1)) )333        return self.walker.dictionary_op(items)334335    def Dot_Op(self, node):336        #self.startnode(node)   337        obj = node.getChild(0)338        name = self.getName(node.getChild(1))339        return self.walker.get_attribute(obj, name)340341    def Index_Op(self, node):342        obj = node.getChild(0)343        index = node.getChild(1)344        return self.walker.get_item(obj, index)345346    def Call_Op(self, node):347        callee = node.getChild(0)348349        args = []350        keyargs = []351352        kwargs = starargs = None353354        if node.numChildren != 1:355            argsNode = node.getChild(1)356357            n = argsNode.numChildren358            lastarg = argsNode.getChild(n-1);359            if lastarg.id == JJTEXTRAKEYWORDVALUELIST:360                n = n - 1361                kwargs = lastarg362            if n > 0:363                lastarg = argsNode.getChild(n-1);364                if lastarg.id == JJTEXTRAARGVALUELIST:365                    n = n - 1366                    starargs = lastarg;367368            for i in range(n):369                argNode = argsNode.getChild(i)370                if argNode.id != JJTKEYWORD:371                    if len(keyargs) > 0:372                        raise ValueError, \373                              "non-keyword argument following keyword"374                    args.append(argNode)375                else:376                    keyargs.append((argNode.getChild(0).getInfo(),377                                    argNode.getChild(1)))378379        # Check for method invocation380        if callee.id == JJTDOT_OP and kwargs is None and starargs is None:381            object = callee.getChild(0)382            name = self.getName(callee.getChild(1))383            return self.walker.invoke(object, name, args, keyargs)384        if kwargs or starargs:385            return self.walker.call_extra(callee, args, 386                                          keyargs, starargs, kwargs)387388        return self.walker.call(callee, args, keyargs)389390    def binop(self, node, name):391        #self.startnode(node)392        return self.walker.binary_op(name, node.getChild(0), node.getChild(1))393394    def add_2op(self, node): return self.binop(node, 'add')     395    def sub_2op(self, node): return self.binop(node, 'sub')     396    def mul_2op(self, node): return self.binop(node, 'mul')     397    def div_2op(self, node): return self.binop(node, 'div')     398    def mod_2op(self, node): return self.binop(node, 'mod')399    def and_2op(self, node): return self.binop(node, 'and')400    def lshift_2op(self, node): return self.binop(node, 'lshift')401    def rshift_2op(self, node): return self.binop(node, 'rshift')402    def or_2op(self, node): return self.binop(node, 'or')403    def xor_2op(self, node): return self.binop(node, 'xor')404    def pow_2op(self, node): return self.binop(node, 'pow')405406    def unop(self, node, name):407        #self.startnode(node)408        return self.walker.unary_op(name, node.getChild(0))409410    def abs_1op(self, node): return self.unop(node, 'abs')411    def invert_1op(self, node): return self.unop(node, 'invert')412    def neg_1op(self, node): return self.unop(node, 'neg')413    def abs_1op(self, node): return self.unop(node, 'abs')414    def pos_1op(self, node): return self.unop(node, 'pos')415    def not_1op(self, node): return self.unop(node, 'not')416    def str_1op(self, node): return self.unop(node, 'repr')417418    def aug_binaryop(self, node, name):419        #self.startnode(node)420        return self.walker.aug_binary_op(name, 421                         node.getChild(0), node.getChild(1))422423    def aug_plus(self, node): return self.aug_binaryop(node, "__iadd__")424    def aug_minus(self, node): return self.aug_binaryop(node, "__isub__")425    def aug_multiply(self, node): return self.aug_binaryop(node, "__imul__")426    def aug_divide(self, node): return self.aug_binaryop(node, "__idiv__")427    def aug_modulo(self, node): return self.aug_binaryop(node, "__imod__")428    def aug_and(self, node): return self.aug_binaryop(node, "__iand__")429    def aug_or(self, node): return self.aug_binaryop(node, "__ior__")430    def aug_xor(self, node): return self.aug_binaryop(node, "__ixor__")431    def aug_lshift(self, node): return self.aug_binaryop(node, "__ilshift__")432    def aug_rshift(self, node): return self.aug_binaryop(node, "__irshift__")433    def aug_power(self, node): return self.aug_binaryop(node, "__ipow__")434435    def getString(self, node):436        if node.id == JJTSTRING:437            return node.getInfo()438        elif node.id == JJTSTRJOIN:439            return self.getString(node.getChild(0)) + \440                   self.getString(node.getChild(1))441        else:442            raise ValueError, 'non string!'443444    def strjoin(self, node):445        return self.walker.string_const(self.getString(node))446447    def comparision(self, node):448        #self.startnode(node)449        start = node.getChild(0)450        tests = []451        for i in range(1, node.numChildren, 2):452            op = comp_ops[node.getChild(i).id]453            obj = node.getChild(i+1)454            tests.append( (op, obj) )455        return self.walker.compare_op(start, tests)456457    def and_boolean(self, node):458        return self.walker.and_op(node.getChild(0), node.getChild(1))459460    def or_boolean(self, node):461        return self.walker.or_op(node.getChild(0), node.getChild(1))462463    def try_stmt(self, node):464        self.startnode(node)465466        n = node.numChildren467        if n == 2:468            return self.walker.tryfinally(node.getChild(0), node.getChild(1))469470        body = node.getChild(0)471        exceptions = []472473        for i in range(1, n-1, 2):474            exc = node.getChild(i)475            if exc.numChildren == 0:476                exc = None477            elif exc.numChildren == 1:478                exc = [exc.getChild(0).visit(self)]479            else:480                exc = [exc.getChild(0).visit(self), exc.getChild(1)]481            exceptions.append( (exc, node.getChild(i+1)) )482483        if n%2 == 0:484            elseClause = node.getChild(n-1)485        else:486            elseClause = None487488        return self.walker.tryexcept(body, exceptions, elseClause)489490    def funcdef(self, node):491        self.startnode(node)492493        funcname = self.getName(node.getChild(0))494495        Body = node.getChild(node.numChildren-1)496497        doc = getDocString(Body)498499        return self.walker.funcdef(funcname, node.scope, Body, doc)500501    def lambdef(self, node):502        Body = node.getChild(node.numChildren-1)503504        retBody = SimpleNode(JJTRETURN_STMT)505        retBody.jjtAddChild(Body, 0)506507        return self.walker.lambdef(node.scope, retBody)508509    def classdef(self, node):510        self.startnode(node)511        name = self.getName(node.getChild(0))512513        n = node.numChildren514        suite = node.getChild(n-1)515        doc = getDocString(suite)516        bases = []517        for i in range(1, n-1):518            bases.append(node.getChild(i).visit(self))519
...

translation.py

Source:translation.py

...30                # print('a',count_p)31                break32            trans(c)33        if len(node.getchildren()) == 2:34            if False in [node.getchild(0).getvalue(), node.getchild(1).getvalue()]:35                node.setvalue(False)36        else:37            node.setvalue(node.getchild(0).getvalue())38    elif node.getdata() == '[STATEMENT]':39        for c in node.getchildren():40            trans(c)41        node.setvalue(node.getchild(0).getvalue())42    # Assignment43    elif node.getdata() == '[PROGRAM]':44        for c in node.getchildren():45            trans(c)46    elif node.getdata() == '[ASSIGNMENT]':47        for c in node.getchildren():48            trans(c)49        if len(node.getchildren()) == 3:50            value = node.getchild(2).getvalue()51            node.getchild(0).setvalue(value)52            # update v_table53            update_v_table(node.getchild(0).getdata(), value)54        else:55            value_list = node.getchild(3).getvalue()56            node.getchild(0).setvalue(value_list)57            update_v_table(node.getchild(0).getdata(), value_list)58    elif node.getdata() == '[IF]':59        r'''if : IF '(' condition ')' '{' statements '}'60           | IF '(' condition ')' '{' statements '}' ELIF '(' condition ')' '{' statements '}' ELSE '{' statements '}' '''61        if len(node.getchildren()) == 2:62            children = node.getchildren()63            trans(children[0])64            condition = children[0].getvalue()65            if condition:66                for c in children[1:]:67                    trans(c)68        else:69            children = node.getchildren()70            trans(children[0])71            trans(children[2])72            c1 = children[0].getvalue()73            c2 = children[2].getvalue()74            if c1:75                trans(children[1])76            elif c2:77                trans(children[3])78            else:79                trans(children[4])80                if children[4].getchild(0).getdata() == 'break' and children[4].getchild(0).getvalue() == False:81                    node.setvalue(False)82    # While83    elif node.getdata() == '[WHILE]':84        r'''while : WHILE '(' condition ')' '{' statements '}' '''85        children = node.getchildren()86        while trans(children[0]):87            trans(children[1])88            if break_flag is False:89                break90    elif node.getdata() == '[BREAK]':91        node.getchild(0).setvalue(False)92        node.setvalue(False)93        break_flag = False94    elif node.getdata() == '[RETURN]':95        node.setvalue(True)96        return_flag = True97        # print('returnè¯å¥è¢«æ§è¡äº')98    # For99    elif node.getdata() == '[FOR]':100        '''for : FOR '(' operation ';' condition ';' operation ')' '{' statements '}' '''101        children = node.getchildren()102        trans(children[0])103        # v=v_table[children[0].getchild(0).getdata()]104        while trans(children[1]):105            trans(children[3])106            trans(children[2])107    # Condition108    elif node.getdata() == '[CONDITION]':109        for c in node.getchildren():110            trans(c)111        if len(node.getchildren()) == 3:112            arg0 = v_table[node.getchild(0).getdata()]113            try:114                if (type(eval(node.getchild(2).getdata())) == int) or (type(eval(node.getchild(2).getdata())) == float):115                    arg1 = eval(node.getchild(2).getdata())116            except NameError:117                arg1 = v_table[node.getchild(2).getdata()]118            op = node.getchild(1).getdata()119            if op == '>':120                node.setvalue(arg0 > arg1)121            elif op == '<':122                node.setvalue(arg0 < arg1)123        elif len(node.getchildren()) == 4:124            arg0 = v_table[node.getchild(0).getdata()]125            arg1 = v_table[node.getchild(3).getdata()]126            # print(node.getchild(1).getdata())127            if node.getchild(1).getdata() == '<':128                node.setvalue(arg0 <= arg1)129            else:130                # print('æ¯å¼', arg0 >= arg1)131                node.setvalue(arg0 >= arg1)132        elif len(node.getchildren()) == 6:133            arg0 = v_table[node.getchild(0).getdata()]134            num1 = int(node.getchild(2).getvalue())135            arg1 = v_table[node.getchild(5).getdata()]136            op = node.getchild(4).getdata()137            if op == '>':138                node.setvalue(arg0[num1] > arg1)139            elif op == '<':140                node.setvalue(arg0[num1] < arg1)141    elif node.getdata() == '[CONDITION_COMPLEX1]':142        for c in node.getchildren():143            trans(c)144        arg0 = v_table[node.getchild(0).getdata()]145        arg1 = v_table[node.getchild(1).getdata()]146        arg2 = v_table[node.getchild(2).getdata()]147        num1 = int(node.getchild(3).getvalue())148        arg3 = v_table[node.getchild(4).getdata()]149        node.setvalue((arg0 < arg1) and (arg2[num1] > arg3))150    elif node.getdata() == '[CONDITION_COMPLEX2]':151        for c in node.getchildren():152            trans(c)153        arg0 = v_table[node.getchild(0).getdata()]154        arg1 = v_table[node.getchild(1).getdata()]155        arg2 = v_table[node.getchild(2).getdata()]156        num1 = int(node.getchild(3).getvalue())157        arg3 = v_table[node.getchild(4).getdata()]158        node.setvalue((arg0 < arg1) and (arg2[num1] <= arg3))159    # Modification160    elif node.getdata() == '[MODIFICATION]':161        for c in node.getchildren():162            trans(c)163        if len(node.getchildren()) == 4:164            arg0 = v_table[node.getchild(0).getdata()]165            num1 = int(node.getchild(1).getvalue())166            arg1 = v_table[node.getchild(2).getdata()]167            num2 = int(node.getchild(3).getvalue())168            arg0[num1] = arg1[num2]169            update_v_table(node.getchild(0).getdata(), arg0)170        elif len(node.getchildren()) == 3:171            arg0 = v_table[node.getchild(0).getdata()]172            num1 = int(node.getchild(1).getvalue())173            value = v_table[node.getchild(2).getdata()]174            arg0[num1] = value175            update_v_table(node.getchild(0).getdata(), arg0)176    # Operation177    elif node.getdata() == '[OPERATION]':178        for c in node.getchildren():179            trans(c)180        if len(node.getchildren()) == 3:181            value = node.getchild(2).getvalue()182            node.getchild(0).setvalue(value)183            update_v_table(node.getchild(0).getdata(), value)184        elif len(node.getchildren()) == 2:185            value = v_table[node.getchild(0).getdata()]186            if node.getchild(1).getdata() == '+':187                value += 1188                # print('èªå ')189            else:190                value -= 1191                # print('èªå')192            node.getchild(0).setvalue(value)193            update_v_table(node.getchild(0).getdata(), value)194            # print(v_table)195    elif node.getdata() == '[FACTOR]':196        for c in node.getchildren():197            trans(c)198        if len(node.getchildren()) == 3:199            arg0 = node.getchild(1).getvalue()200            node.setvalue(arg0)201        else:202            if (type(node.getchild(0).getvalue()) == float) or (type(node.getchild(0).getvalue()) == int):203                node.setvalue(node.getchild(0).getvalue())204            else:205                arg0 = v_table[node.getchild(0).getdata()]206                node.setvalue(arg0)207                update_v_table(node.getchild(0).getdata(), arg0)208    elif node.getdata() == '[TERM]':209        for c in node.getchildren():210            trans(c)211        if len(node.getchildren()) == 1:212            arg0 = node.getchild(0).getvalue()213            node.setvalue(arg0)214        else:215            arg0 = node.getchild(0).getvalue()216            arg1 = node.getchild(2).getvalue()217            op = node.getchild(1).getdata()218            if op == '*':219                value = arg0 * arg1220            elif op == '/':221                value = arg0 // arg1222            else:223                value = arg0 // arg1224            node.setvalue(value)225    elif node.getdata() == '[EXPR]':226        for c in node.getchildren():227            trans(c)228        if len(node.getchildren()) == 3:229            if node.getchild(1).getdata() == '+' or node.getchild(1).getdata() == '-':230                arg0 = node.getchild(0).getvalue()231                arg1 = node.getchild(2).getvalue()232                op = node.getchild(1).getdata()233                if op == '+':234                    value = arg0 + arg1235                else:236                    value = arg0 - arg1237            else:238                arg0 = node.getchild(1).getvalue()239                # len()240                value = len(arg0)241        elif len(node.getchildren()) == 1:242            value = node.getchild(0).getvalue()243        else:244            temp_l = v_table[node.getchild(0).getdata()]245            num = int(node.getchild(2).getvalue())246            value = temp_l[num]247        node.setvalue(value)248    # Print249    elif node.getdata() == '[PRINT]':250        for c in node.getchildren():251            trans(c)252        value = node.getchild(2).getvalue()253        for i in range(len(value)):254            if i != len(value) - 1:255                print(value[i], end=' , ')256            else:257                print(value[i], end='\n')258    elif node.getdata() == '[SENTENCE]':259        for c in node.getchildren():260            trans(c)261        if len(node.getchildren()) == 1:262            value = [node.getchild(0).getvalue()]263        else:264            value = [node.getchild(0).getvalue()] + node.getchild(2).getvalue()265        node.setvalue(value)266    elif node.getdata() == '[WORD]':267        for c in node.getchildren():268            trans(c)269        try:270            if (type(eval(node.getchild(0).getdata())) == int) or (type(eval(node.getchild(0).getdata())) == float):271                # print(node.getchild(0).getvalue(),end='haha\n')272                node.setvalue(node.getchild(0).getvalue())273        except Exception:274            try:275                value = v_table[node.getchild(0).getdata()]276                node.setvalue(value)277                update_v_table(node.getchild(0).getdata(), value)278            except Exception:279                v_table[node.getchild(0).getdata()] = None280                value = node.getchild(0).getdata()281                node.setvalue(value)282    elif node.getdata() == '[FUNCTION]':283        r'''function : DEF VARIABLE '(' sentence ')' '{' statements RETURN VARIABLE '}' '''284        trans(node.getchild(0))285        trans(node.getchild(1))286        fname = node.getchild(0).getdata()287        vnames = node.getchild(1).getvalue()288        f_table1[fname] = (vnames, node.getchild(2))289    elif node.getdata() == '[RUNFUNCTION]':290        for c in node.getchildren():291            trans(c)292        fname = node.getchild(0).getdata()293        vnames1 = node.getchild(1).getvalue()294        vnames0, fnode = f_table1[fname]295        # print('\n')296        for i in range(len(vnames1)):297            try:298                vname1 = vnames1[i]299                vname0 = vnames0[i]300                # print(vname1)301                x = v_table[vname1]302                v_table[vname0] = x303                # print(x)304                # print(x)305            except Exception:306                v_table[vname0] = vname1307                # print(vname1)...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.