TokenBase

Base class for operators and literals, mainly for debugging and for throwing syntax errors.

Attributes

Attribute	Type	Description
id	string = null	node/token type name
value	string = null	used by literals
first	object = null	used by tree nodes

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Methods

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nud()

@classmethod
def nud(
    parser: [Parser](../../test/html/parser.md?sid=django_test_html_parser)
) - > null

Null denotation - called in prefix context. Raises a syntax error because the token is not expected in a prefix position within an if tag.

Parameters

Name	Type	Description
parser	[Parser](../../test/html/parser.md?sid=django_test_html_parser)	The parser instance used to raise the syntax error with context-specific information

Returns

Type	Description
null

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led()

@classmethod
def led(
    left: [TokenBase](tokenbase.md?sid=django_template_smartif_tokenbase),
    parser: [Parser](../../test/html/parser.md?sid=django_test_html_parser)
) - > null

Left denotation - called in infix context. Raises a syntax error because the token is not expected as an infix operator within an if tag.

Parameters

Name	Type	Description
left	[TokenBase](tokenbase.md?sid=django_template_smartif_tokenbase)	The token or node appearing to the left of this operator
parser	[Parser](../../test/html/parser.md?sid=django_test_html_parser)	The parser instance used to raise the syntax error with context-specific information

Returns

Type	Description
null

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display()

@classmethod
def display() - > string

Return what to display in error messages for this node

Returns

Type	Description
string	The node or token type name used for identification in error reports

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