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How to use _validate_label method in Slash

Best Python code snippet using slash

vm_translator.py

Source:vm_translator.py

...240        '''241        self._write_text(hack)242        self.write_call('Sys.init', 0)243    def write_label(self, label):244        self._validate_label(label)245        hack = f'''246        // ------------------------------------------------------------------------------247        // label {label}248        // ------------------------------------------------------------------------------249        (Label{label})250        '''251        self._write_text(hack)252    def write_goto(self, label):253        self._validate_label(label)254        hack = f'''255        // ------------------------------------------------------------------------------256        // goto {label}257        // ------------------------------------------------------------------------------258        @Label{label}259        0;JMP260        '''261        self._write_text(hack)262    def write_if(self, label):263        self._validate_label(label)264        hack = f'''265        // ------------------------------------------------------------------------------266        // if-goto {label}267        // ------------------------------------------------------------------------------268        # decrement stack pointer269        @SP270        M=M-1271        # pop stack to D272        A=M273        D=M274        @Label{label}275        D;JNE276        '''277        self._write_text(hack)278    def write_function(self, label, k):279        self._validate_label(label)280        hack = f'''281        // ------------------------------------------------------------------------------282        // function {label} {k}283        // ------------------------------------------------------------------------------284        ({self._function_label(label)})285        '''286        self._write_text(hack)287        for _i in range(k):288            self._write_push_constant(0)289    @classmethod290    def _function_label(cls, label):291        return f'{cls.FUNCTION_LABEL_PREFIX}.{label}'292    def write_return(self):293        hack = f'''294        // ------------------------------------------------------------------------------295        // return296        // ------------------------------------------------------------------------------297        # FRAME = LCL298        @LCL299        D=M300        @R13301        M=D302        # RET = *(FRAME-5)303        @5304        A=D-A305        D=M306        @R14307        M=D308        # *ARG = pop()309        @SP310        M=M-1311        A=M312        D=M313        @ARG314        A=M315        M=D316        # SP = ARG+1317        @ARG318        D=M+1319        @SP320        M=D321        # THAT = *(FRAME - 1)322        @R13323        M=M-1324        A=M325        D=M326        @THAT327        M=D328        # THIS = *(FRAME - 2)329        @R13330        M=M-1331        A=M332        D=M333        @THIS334        M=D335        # ARG = *(FRAME - 3)336        @R13337        M=M-1338        A=M339        D=M340        @ARG341        M=D342        # LCL = *(FRAME - 4)343        @R13344        M=M-1345        A=M346        D=M347        @LCL348        M=D349        # goto RET350        @R14351        A=M352        0;JMP353        '''354        self._write_text(hack)355    def write_call(self, label, n):356        return_label = self._generate_return_label()357        function_label = self._function_label(label)358        hack = f'''359        // ------------------------------------------------------------------------------360        // call {label} {n}361        // ------------------------------------------------------------------------------362        # push return-address363        @{return_label}364        D=A365        @SP366        A=M367        M=D368        @SP369        M=M+1370        # push LCL371        @LCL372        D=M373        @SP374        A=M375        M=D376        @SP377        M=M+1378        # push ARG379        @ARG380        D=M381        @SP382        A=M383        M=D384        @SP385        M=M+1386        # push THIS387        @THIS388        D=M389        @SP390        A=M391        M=D392        @SP393        M=M+1394        # push THAT395        @THAT396        D=M397        @SP398        A=M399        M=D400        @SP401        M=M+1402        # ARG = SP-n-5403        @{n}404        D=A405        @5406        D=D+A407        @SP408        D=M-D409        @ARG410        M=D411        # LCL = SP412        @SP413        D=M414        @LCL415        M=D416        # goto f417        @{function_label}418        0;JMP419        # (return-address)420        ({return_label})421        '''422        self._write_text(hack)423    def _validate_label(self, label):424        if re.search(r'[^A-Za-z0-9:._]', label):425            raise ValueError(f'Invalid label: {label}')426    def write_arithmetic(self, command):427        self._write_text(f'''428            // ------------------------------------------------------------------------------429            // {command}430            // ------------------------------------------------------------------------------431        ''')432        if command in self.bin_ops:433            op = self.bin_ops[command]434            hack = f'''435            # decrement stack pointer436            @SP437            M=M-1...

test_maps.py

Source:test_maps.py

...144    ]145    for marker_name in marker_names:146        result = maps._validate_marker_name(marker_name)147        assert result == marker_name148def test_validate_label():149    maps = Maps()150    # invalid value151    with raises(InvalidLabelError) as exception:152        label = "00"153        result = maps._validate_label(label)154    # invalid value155    with raises(InvalidLabelError) as exception:156        label = "invalid_"157        result = maps._validate_label(label)158    # valid value159    label = "a"160    result = maps._validate_label(label)161    assert result == label162    # valid value163    label = "0"164    result = maps._validate_label(label)165    assert result == label166    # valid value167    label = "99"168    result = maps._validate_label(label)169    assert result == label170    # valid value171    label = "valid"172    result = maps._validate_label(label)173    assert result == label174    # valid value175    label = "valid "176    result = maps._validate_label(label)177    assert result == label178def test_validate_color():179    maps = Maps()180    # invalid value181    with raises(InvalidColorError) as exception:182        color = "invalid"183        result = maps._validate_color(color)184    # valid value185    color = "00f"186    result = maps._validate_color(color)187    assert result == color188    # valid value189    color = "0000ff"190    result = maps._validate_color(color)...

base.py

Source:base.py

...25        """returns a list of names26        for compatibility with multi-index27        """28        return [self.name]29    def _validate_label(self, label):30        """Perform label validation"""31        if label is None:32            return label33        if isinstance(label, pd.Timestamp):34            label = label.to_pydatetime()35        label, error = self.field.validate(label, {}, loc=self.name)36        if error:37            raise ValidationError([error], self.schema)38        if isinstance(label, BaseModel):39            label = label.dict()40        return label41    def validate_label(self, label):42        if isinstance(label, dict) and self.name in label:43            label = label[self.name]44        if isinstance(label, slice):45            start = self._validate_label(label.start)46            stop = self._validate_label(label.stop)47            step = self._validate_label(label.step)48            if start is None and stop is None:49                label = None50            elif step is not None:51                return list(range(start, stop, step))52            else:53                return slice(start, stop, step)54        if isinstance(label, list) and self.field.type_ is not list:55            return [self._validate_label(val) for val in label]56        if isinstance(label, tuple) and self.field.type_ is not tuple:57            return tuple(self._validate_label(val) for val in label)58        return self._validate_label(label)59    def reduce(self, docs, labels):60        return docs61    def label_options(self, query):62        return query.unique(self.name)63    def __repr__(self):64        type_ = self.field.type_ if self.field else "UNKNOWN"...

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